Merge branch 'glave_snapshot_support'

Conflicts:
	layers/CMakeLists.txt
	tools/glave/scripts/vk_generate.py
	tools/glave/src/glv_extensions/glvreplay_xgl/CMakeLists.txt
	tools/glave/src/glv_extensions/glvtrace_xgl/CMakeLists.txt
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/glvtrace_xgl_xgl.c
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/glvtrace_xgl_xgl.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_size_helper.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_string_helper.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_string_helper_cpp.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_string_helper_no_addr.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_string_helper_no_addr_cpp.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_validate_helper.h
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_wrappers.cpp
	tools/glave/src/glv_extensions/glvtrace_xgl/codegen/xgl_struct_wrappers.h
	xgl_helper.py
diff --git a/tools/glave/scripts/vk_generate.py b/tools/glave/scripts/vk_generate.py
index ad1e725..829eb54 100755
--- a/tools/glave/scripts/vk_generate.py
+++ b/tools/glave/scripts/vk_generate.py
@@ -179,20 +179,34 @@
         return "\n".join(func_protos)
 
 
+    def _generate_trace_real_func_ptr_protos(self):
+        func_ptr_assign = []
+        func_ptr_assign.append('')
+        for proto in self.protos:
+            if 'Dbg' not in proto.name and 'Wsi' not in proto.name:
+                func_ptr_assign.append('extern %s( XGLAPI * real_xgl%s)(' % (proto.ret, proto.name))
+                for p in proto.params:
+                    if 'color' == p.name:
+                        func_ptr_assign.append('    %s %s[4],' % (p.ty.replace('[4]', ''), p.name))
+                    else:
+                        func_ptr_assign.append('    %s %s,' % (p.ty, p.name))
+                func_ptr_assign[-1] = func_ptr_assign[-1].replace(',', ');\n')
+        return "\n".join(func_ptr_assign)
+
     def _generate_func_ptr_assignments(self):
         func_ptr_assign = []
         for proto in self.protos:
             if 'Dbg' not in proto.name and 'Wsi' not in proto.name:
-                func_ptr_assign.append('static %s( XGLAPI * real_xgl%s)(' % (proto.ret, proto.name))
+                func_ptr_assign.append('%s( XGLAPI * real_xgl%s)(' % (proto.ret, proto.name))
                 for p in proto.params:
                     if 'color' == p.name:
                         func_ptr_assign.append('    %s %s[4],' % (p.ty.replace('[4]', ''), p.name))
                     else:
                         func_ptr_assign.append('    %s %s,' % (p.ty, p.name))
                 func_ptr_assign[-1] = func_ptr_assign[-1].replace(',', ') = xgl%s;\n' % (proto.name))
-        func_ptr_assign.append('static BOOL isHooked = FALSE;\n')
         return "\n".join(func_ptr_assign)
 
+
     def _generate_func_ptr_assignments_ext(self, func_class='Wsi'):
         func_ptr_assign = []
         for proto in self.protos:
@@ -205,6 +219,8 @@
 
     def _generate_attach_hooks(self):
         hooks_txt = []
+        hooks_txt.append('// declared as extern in glvtrace_xgl_helpers.h')
+        hooks_txt.append('BOOL isHooked = FALSE;\n')
         hooks_txt.append('void AttachHooks()\n{\n   BOOL hookSuccess = TRUE;\n#if defined(WIN32)')
         hooks_txt.append('    Mhook_BeginMultiOperation(FALSE);')
         # TODO : Verify if CreateInstance is appropriate to key off of here
@@ -301,7 +317,7 @@
         init_tracer.append('    pPacket->version = XGL_API_VERSION;')
         init_tracer.append('    FINISH_TRACE_PACKET();\n}\n')
 
-        init_tracer.append('static GLV_CRITICAL_SECTION g_memInfoLock;')
+        init_tracer.append('extern GLV_CRITICAL_SECTION g_memInfoLock;')
         init_tracer.append('void InitTracer(void)\n{')
         init_tracer.append('    char *ipAddr = glv_get_global_var("GLVLIB_TRACE_IPADDR");')
         init_tracer.append('    if (ipAddr == NULL)')
@@ -314,41 +330,6 @@
         init_tracer.append('    send_xgl_api_version_packet();\n}\n')
         return "\n".join(init_tracer)
 
-    def _gen_unmap_memory(self):
-        um_body = []
-        um_body.append('GLVTRACER_EXPORT XGL_RESULT XGLAPI __HOOKED_xglUnmapMemory(')
-        um_body.append('    XGL_GPU_MEMORY mem)')
-        um_body.append('{')
-        um_body.append('    glv_trace_packet_header* pHeader;')
-        um_body.append('    XGL_RESULT result;')
-        um_body.append('    struct_xglUnmapMemory* pPacket;')
-        um_body.append('    XGLAllocInfo *entry;')
-        um_body.append('    SEND_ENTRYPOINT_PARAMS("xglUnmapMemory(mem %p)\\n", mem);')
-        um_body.append('    // insert into packet the data that was written by CPU between the xglMapMemory call and here')
-        um_body.append('    // Note must do this prior to the real xglUnMap() or else may get a FAULT')
-        um_body.append('    glv_enter_critical_section(&g_memInfoLock);')
-        um_body.append('    entry = find_mem_info_entry(mem);')
-        um_body.append('    CREATE_TRACE_PACKET(xglUnmapMemory, (entry) ? entry->size : 0);')
-        um_body.append('    pPacket = interpret_body_as_xglUnmapMemory(pHeader);')
-        um_body.append('    if (entry)')
-        um_body.append('    {')
-        um_body.append('        assert(entry->handle == mem);')
-        um_body.append('        glv_add_buffer_to_trace_packet(pHeader, (void**) &(pPacket->pData), entry->size, entry->pData);')
-        um_body.append('        glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pData));')
-        um_body.append('        entry->pData = NULL;')
-        um_body.append('    } else')
-        um_body.append('    {')
-        um_body.append('         glv_LogError("Failed to copy app memory into trace packet (idx = %u) on xglUnmapMemory\\n", pHeader->global_packet_index);')
-        um_body.append('    }')
-        um_body.append('    glv_leave_critical_section(&g_memInfoLock);')
-        um_body.append('    result = real_xglUnmapMemory(mem);')
-        um_body.append('    pPacket->mem = mem;')
-        um_body.append('    pPacket->result = result;')
-        um_body.append('    FINISH_TRACE_PACKET();')
-        um_body.append('    return result;')
-        um_body.append('}\n')
-        return "\n".join(um_body)
-
     # Take a list of params and return a list of dicts w/ ptr param details
     def _get_packet_ptr_param_list(self, params):
         ptr_param_list = []
@@ -478,9 +459,12 @@
     # return result?
     def _generate_trace_funcs(self):
         func_body = []
+        manually_written_hooked_funcs = ['CreateInstance', 'EnumerateLayers', 'EnumerateGpus',
+                                         'AllocDescriptorSets', 'MapMemory', 'UnmapMemory',
+                                         'CmdPipelineBarrier', 'CmdWaitEvents']
         for proto in self.protos:
-            if 'UnmapMemory' == proto.name:
-                func_body.append(self._gen_unmap_memory())
+            if proto.name in manually_written_hooked_funcs:
+                func_body.append( '// __HOOKED_xgl%s is manually written. Look in glvtrace_xgl_trace.c\n' % proto.name)
             elif 'Dbg' not in proto.name and 'Wsi' not in proto.name:
                 raw_packet_update_list = [] # non-ptr elements placed directly into packet
                 ptr_packet_update_list = [] # ptr elements to be updated into packet
@@ -516,51 +500,8 @@
                 func_body.append('    struct_xgl%s* pPacket = NULL;' % proto.name)
                 # functions that have non-standard sequence of  packet creation and calling real function
                 # NOTE: Anytime we call the function before CREATE_TRACE_PACKET, need to add custom code for correctly tracking API call time
-                if 'CreateInstance' == proto.name:
-                    func_body.append('    uint64_t startTime;')
-                    func_body.append('    glv_platform_thread_once(&gInitOnce, InitTracer);')
-                    func_body.append('    SEND_ENTRYPOINT_ID(xgl%s);' % proto.name)
-                    func_body.append('    if (real_xglCreateInstance == xglCreateInstance)')
-                    func_body.append('    {')
-                    func_body.append('        glv_platform_get_next_lib_sym((void **) &real_xglCreateInstance,"xglCreateInstance");')
-                    func_body.append('    }')
-                    func_body.append('    startTime = glv_get_time();')
-                    func_body.append('    %sreal_xgl%s;' % (return_txt, proto.c_call()))
-                    func_body.append('    CREATE_TRACE_PACKET(xgl%s, sizeof(XGL_INSTANCE) + get_struct_chain_size((void*)pAppInfo) + ((pAllocCb == NULL) ? 0 :sizeof(XGL_ALLOC_CALLBACKS)));' % (proto.name))
-                    func_body.append('    pHeader->entrypoint_begin_time = startTime;')
-                    func_body.append('    if (isHooked == FALSE) {')
-                    func_body.append('        AttachHooks();')
-                    func_body.append('        AttachHooks_xgldbg();')
-                    func_body.append('        AttachHooks_xglwsix11ext();')
-                    func_body.append('    }')
-                elif 'EnumerateGpus' == proto.name:
-                    func_body.append('    uint64_t startTime;')
-                    func_body.append('    SEND_ENTRYPOINT_ID(xgl%s);' % proto.name)
-                    func_body.append('    startTime = glv_get_time();')
-                    func_body.append('    %sreal_xgl%s;' % (return_txt, proto.c_call()))
-                    func_body.append('    CREATE_TRACE_PACKET(xglEnumerateGpus, sizeof(uint32_t) + ((pGpus && pGpuCount) ? *pGpuCount * sizeof(XGL_PHYSICAL_GPU) : 0));')
-                    func_body.append('    pHeader->entrypoint_begin_time = startTime;')
-                elif 'EnumerateLayers' == proto.name:
-                    func_body.append('    uint64_t startTime;')
-                    func_body.append('    SEND_ENTRYPOINT_ID(xgl%s);' % proto.name)
-                    func_body.append('    startTime = glv_get_time();')
-                    func_body.append('    %sreal_xgl%s;' % (return_txt, proto.c_call()))
-                    func_body.append('    size_t totStringSize = 0;')
-                    func_body.append('    uint32_t i = 0;')
-                    func_body.append('    for (i = 0; i < *pOutLayerCount; i++)')
-                    func_body.append('        totStringSize += (pOutLayers[i] != NULL) ? strlen(pOutLayers[i]) + 1: 0;')
-                    func_body.append('    CREATE_TRACE_PACKET(xgl%s, totStringSize + sizeof(size_t));' % (proto.name))
-                    func_body.append('    pHeader->entrypoint_begin_time = startTime;')
-                elif 'AllocDescriptorSets' == proto.name:
-                    func_body.append('    uint64_t startTime;')
-                    func_body.append('    SEND_ENTRYPOINT_ID(xgl%s);' % proto.name)
-                    func_body.append('    startTime = glv_get_time();')
-                    func_body.append('    %sreal_xgl%s;' % (return_txt, proto.c_call()))
-                    func_body.append('    size_t customSize = (*pCount <= 0) ? (sizeof(XGL_DESCRIPTOR_SET)) : (*pCount * sizeof(XGL_DESCRIPTOR_SET));')
-                    func_body.append('    CREATE_TRACE_PACKET(xglAllocDescriptorSets, sizeof(XGL_DESCRIPTOR_SET_LAYOUT) + customSize + sizeof(uint32_t));')
-                    func_body.append('    pHeader->entrypoint_begin_time = startTime;')
-                elif proto.name in ['CreateFramebuffer', 'CreateRenderPass', 'CreateDynamicViewportState', 
-                                    'CreateDescriptorRegion', 'CmdWaitEvents', 'CmdPipelineBarrier']:
+                if proto.name in ['CreateFramebuffer', 'CreateRenderPass', 'CreateDynamicViewportState',
+                                  'CreateDescriptorRegion']:
                     # these are regular case as far as sequence of tracing but have some custom size element
                     if 'CreateFramebuffer' == proto.name:
                         func_body.append('    int dsSize = (pCreateInfo != NULL && pCreateInfo->pDepthStencilAttachment != NULL) ? sizeof(XGL_DEPTH_STENCIL_BIND_INFO) : 0;')
@@ -575,15 +516,6 @@
                     elif 'CreateDescriptorRegion' == proto.name:
                         func_body.append('    uint32_t rgCount = (pCreateInfo != NULL && pCreateInfo->pTypeCount != NULL) ? pCreateInfo->count : 0;')
                         func_body.append('    CREATE_TRACE_PACKET(xglCreateDescriptorRegion,  get_struct_chain_size((void*)pCreateInfo) + sizeof(XGL_DESCRIPTOR_REGION));')
-                    else: # ['CmdWaitEvents', 'CmdPipelineBarrier']:
-                        func_body.append('    size_t customSize;')
-                        event_array_type = 'XGL_EVENT'
-                        if 'CmdPipelineBarrier' == proto.name:
-                            event_array_type = 'XGL_SET_EVENT'
-                        func_body.append('    uint32_t eventCount = (%s != NULL && %s->pEvents != NULL) ? %s->eventCount : 0;' % (proto.params[-1].name, proto.params[-1].name, proto.params[-1].name))
-                        func_body.append('    uint32_t mbCount = (%s != NULL && %s->ppMemBarriers != NULL) ? %s->memBarrierCount : 0;' % (proto.params[-1].name, proto.params[-1].name, proto.params[-1].name))
-                        func_body.append('    customSize = (eventCount * sizeof(%s)) + mbCount * sizeof(void*) + calculate_memory_barrier_size(mbCount, %s->ppMemBarriers);' % (event_array_type, proto.params[-1].name))
-                        func_body.append('    CREATE_TRACE_PACKET(xgl%s, sizeof(%s) + customSize);' % (proto.name, proto.params[-1].ty.strip('*').replace('const ', '')))
                     func_body.append('    %sreal_xgl%s;' % (return_txt, proto.c_call()))
                 else:
                     if (0 == len(packet_size)):
@@ -595,72 +527,18 @@
                     func_body.append('    _dataSize = (pDataSize == NULL || pData == NULL) ? 0 : *pDataSize;')
                 func_body.append('    pPacket = interpret_body_as_xgl%s(pHeader);' % proto.name)
                 func_body.append('\n'.join(raw_packet_update_list))
-                if 'MapMemory' == proto.name: # Custom code for MapMem case
-                    func_body.append('    if (ppData != NULL)')
-                    func_body.append('    {')
-                    func_body.append('        glv_add_buffer_to_trace_packet(pHeader, (void**)&(pPacket->ppData), sizeof(void*), *ppData);')
-                    func_body.append('        glv_finalize_buffer_address(pHeader, (void**)&(pPacket->ppData));')
-                    func_body.append('        add_data_to_mem_info(mem, *ppData);')
-                    func_body.append('    }')
+                for pp_dict in ptr_packet_update_list: #buff_ptr_indices:
+                    func_body.append('    %s;' % (pp_dict['add_txt']))
+                if 'void' not in proto.ret or '*' in proto.ret:
                     func_body.append('    pPacket->result = result;')
-                    func_body.append('    FINISH_TRACE_PACKET();')
-                elif 'EnumerateLayers' == proto.name: #custom code for EnumerateLayers case
-                    func_body.append('    pPacket->gpu = gpu;')
-                    func_body.append('    pPacket->maxLayerCount = maxLayerCount;')
-                    func_body.append('    pPacket->maxStringSize = maxStringSize;')
-                    func_body.append('    glv_add_buffer_to_trace_packet(pHeader, (void**)&(pPacket->pOutLayerCount), sizeof(size_t), pOutLayerCount);')
-                    func_body.append('    glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pOutLayerCount));')
-                    func_body.append('    for (i = 0; i < *pOutLayerCount; i++) {')
-                    func_body.append('        glv_add_buffer_to_trace_packet(pHeader, (void**)&(pPacket->pOutLayers[i]), ((pOutLayers[i] != NULL) ? strlen(pOutLayers[i]) + 1 : 0), pOutLayers[i]);')
-                    func_body.append('        glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pOutLayers[i]));')
-                    func_body.append('    }')
-
-                    func_body.append('    pPacket->pReserved = pReserved;')
-                    func_body.append('    pPacket->result = result;')
-                    func_body.append('    FINISH_TRACE_PACKET();')
-                else:
-                    for pp_dict in ptr_packet_update_list: #buff_ptr_indices:
-                        func_body.append('    %s;' % (pp_dict['add_txt']))
-                    # Some custom add_* and finalize_* function calls for Create* API calls
-                    if proto.name in ['CmdWaitEvents', 'CmdPipelineBarrier']:
-                        event_array_type = 'XGL_EVENT'
-                        if 'CmdPipelineBarrier' == proto.name:
-                            event_array_type = 'XGL_SET_EVENT'
-                        func_body.append('    glv_add_buffer_to_trace_packet(pHeader, (void**)&(pPacket->%s->pEvents), eventCount * sizeof(%s), %s->pEvents);' % (proto.params[-1].name, event_array_type, proto.params[-1].name))
-                        func_body.append('    glv_finalize_buffer_address(pHeader, (void**)&(pPacket->%s->pEvents));' % (proto.params[-1].name))
-                        func_body.append('    glv_add_buffer_to_trace_packet(pHeader, (void**)&(pPacket->%s->ppMemBarriers), mbCount * sizeof(void*), %s->ppMemBarriers);' % (proto.params[-1].name, proto.params[-1].name))
-                        func_body.append('    uint32_t i, siz;')
-                        func_body.append('    for (i = 0; i < mbCount; i++) {')
-                        func_body.append('        XGL_MEMORY_BARRIER *pNext = (XGL_MEMORY_BARRIER *) %s->ppMemBarriers[i];' % proto.params[-1].name)
-                        func_body.append('        switch (pNext->sType) {')
-                        func_body.append('            case XGL_STRUCTURE_TYPE_MEMORY_BARRIER:')
-                        func_body.append('                siz = sizeof(XGL_MEMORY_BARRIER);')
-                        func_body.append('                break;')
-                        func_body.append('            case XGL_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER:')
-                        func_body.append('                siz = sizeof(XGL_BUFFER_MEMORY_BARRIER);')
-                        func_body.append('                break;')
-                        func_body.append('            case XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER:')
-                        func_body.append('                siz = sizeof(XGL_IMAGE_MEMORY_BARRIER);')
-                        func_body.append('                break;')
-                        func_body.append('            default:')
-                        func_body.append('                assert(0);')
-                        func_body.append('                siz = 0;')
-                        func_body.append('                break;')
-                        func_body.append('        }')
-                        func_body.append('        glv_add_buffer_to_trace_packet(pHeader, (void**)&(pPacket->%s->ppMemBarriers[i]), siz, %s->ppMemBarriers[i]);' % (proto.params[-1].name, proto.params[-1].name))
-                        func_body.append('        glv_finalize_buffer_address(pHeader, (void**)&(pPacket->%s->ppMemBarriers[i]));' % (proto.params[-1].name))
-                        func_body.append('    }')
-                        func_body.append('    glv_finalize_buffer_address(pHeader, (void**)&(pPacket->%s->ppMemBarriers));' % (proto.params[-1].name))
-                    if 'void' not in proto.ret or '*' in proto.ret:
-                        func_body.append('    pPacket->result = result;')
-                    for pp_dict in ptr_packet_update_list:
-                        if ('DEVICE_CREATE_INFO' not in proto.params[pp_dict['index']].ty) and ('APPLICATION_INFO' not in proto.params[pp_dict['index']].ty) and ('pUpdateChain' != proto.params[pp_dict['index']].name):
-                            func_body.append('    %s;' % (pp_dict['finalize_txt']))
-                    func_body.append('    FINISH_TRACE_PACKET();')
-                    if 'AllocMemory' in proto.name:
-                        func_body.append('    add_new_handle_to_mem_info(*pMem, pAllocInfo->allocationSize, NULL);')
-                    elif 'FreeMemory' in proto.name:
-                        func_body.append('    rm_handle_from_mem_info(mem);')
+                for pp_dict in ptr_packet_update_list:
+                    if ('DEVICE_CREATE_INFO' not in proto.params[pp_dict['index']].ty) and ('APPLICATION_INFO' not in proto.params[pp_dict['index']].ty) and ('pUpdateChain' != proto.params[pp_dict['index']].name):
+                        func_body.append('    %s;' % (pp_dict['finalize_txt']))
+                func_body.append('    FINISH_TRACE_PACKET();')
+                if 'AllocMemory' in proto.name:
+                    func_body.append('    add_new_handle_to_mem_info(*pMem, pAllocInfo->allocationSize, NULL);')
+                elif 'FreeMemory' in proto.name:
+                    func_body.append('    rm_handle_from_mem_info(mem);')
                 if 'void' not in proto.ret or '*' in proto.ret:
                     func_body.append('    return result;')
                 func_body.append('}\n')
@@ -734,471 +612,6 @@
                 func_body.append('}\n')
         return "\n".join(func_body)
 
-    def _generate_helper_funcs(self):
-        hf_body = []
-        hf_body.append('// Support for shadowing CPU mapped memory')
-        hf_body.append('typedef struct _XGLAllocInfo {')
-        hf_body.append('    XGL_GPU_SIZE   size;')
-        hf_body.append('    XGL_GPU_MEMORY handle;')
-        hf_body.append('    void           *pData;')
-        hf_body.append('    BOOL           valid;')
-        hf_body.append('} XGLAllocInfo;')
-        hf_body.append('typedef struct _XGLMemInfo {')
-        hf_body.append('    unsigned int numEntrys;')
-        hf_body.append('    XGLAllocInfo *pEntrys;')
-        hf_body.append('    XGLAllocInfo *pLastMapped;')
-        hf_body.append('    unsigned int capacity;')
-        hf_body.append('} XGLMemInfo;')
-        hf_body.append('')
-        hf_body.append('static XGLMemInfo g_memInfo = {0, NULL, NULL, 0};')
-        hf_body.append('')
-        hf_body.append('static void init_mem_info_entrys(XGLAllocInfo *ptr, const unsigned int num)')
-        hf_body.append('{')
-        hf_body.append('    unsigned int i;')
-        hf_body.append('    for (i = 0; i < num; i++)')
-        hf_body.append('    {')
-        hf_body.append('        XGLAllocInfo *entry = ptr + i;')
-        hf_body.append('        entry->pData = NULL;')
-        hf_body.append('        entry->size  = 0;')
-        hf_body.append('        entry->handle = NULL;')
-        hf_body.append('        entry->valid = FALSE;')
-        hf_body.append('    }')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('// caller must hold the g_memInfoLock')
-        hf_body.append('static void init_mem_info()')
-        hf_body.append('{')
-        hf_body.append('    g_memInfo.numEntrys = 0;')
-        hf_body.append('    g_memInfo.capacity = 4096;')
-        hf_body.append('    g_memInfo.pLastMapped = NULL;')
-        hf_body.append('')
-        hf_body.append('    g_memInfo.pEntrys = GLV_NEW_ARRAY(XGLAllocInfo, g_memInfo.capacity);')
-        hf_body.append('')
-        hf_body.append('    if (g_memInfo.pEntrys == NULL)')
-        hf_body.append('        glv_LogError("init_mem_info()  malloc failed\\n");')
-        hf_body.append('    else')
-        hf_body.append('        init_mem_info_entrys(g_memInfo.pEntrys, g_memInfo.capacity);')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('// caller must hold the g_memInfoLock')
-        hf_body.append('static void delete_mem_info()')
-        hf_body.append('{')
-        hf_body.append('    GLV_DELETE(g_memInfo.pEntrys);')
-        hf_body.append('    g_memInfo.pEntrys = NULL;')
-        hf_body.append('    g_memInfo.numEntrys = 0;')
-        hf_body.append('    g_memInfo.capacity = 0;')
-        hf_body.append('    g_memInfo.pLastMapped = NULL;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('// caller must hold the g_memInfoLock')
-        hf_body.append('static XGLAllocInfo * get_mem_info_entry()')
-        hf_body.append('{')
-        hf_body.append('    unsigned int i;')
-        hf_body.append('    XGLAllocInfo *entry;')
-        hf_body.append('    if (g_memInfo.numEntrys > g_memInfo.capacity)')
-        hf_body.append('    {')
-        hf_body.append('        glv_LogError("get_mem_info_entry() bad internal state numEntrys %u\\n", g_memInfo.numEntrys);')
-        hf_body.append('        return NULL;')
-        hf_body.append('    }')
-        hf_body.append('')
-        hf_body.append('    entry = g_memInfo.pEntrys;')
-        hf_body.append('    for (i = 0; i < g_memInfo.numEntrys; i++)')
-        hf_body.append('    {')
-        hf_body.append('        if ((entry + i)->valid == FALSE)')
-        hf_body.append('            return entry + i;')
-        hf_body.append('    }')
-        hf_body.append('    if (g_memInfo.numEntrys == g_memInfo.capacity)')
-        hf_body.append('    {  // grow the array 2x')
-        hf_body.append('        g_memInfo.capacity *= 2;')
-        hf_body.append('        g_memInfo.pEntrys = (XGLAllocInfo *) GLV_REALLOC(g_memInfo.pEntrys, g_memInfo.capacity * sizeof(XGLAllocInfo));')
-        hf_body.append('        if (g_memInfo.pEntrys == NULL)')
-        hf_body.append('            glv_LogError("get_mem_info_entry() realloc failed\\n");')
-        hf_body.append('        //glv_LogInfo("realloc memInfo from %u to %u\\n", g_memInfo.capacity /2, g_memInfo.capacity);')
-        hf_body.append('        //init the newly added entrys')
-        hf_body.append('        init_mem_info_entrys(g_memInfo.pEntrys + g_memInfo.capacity / 2, g_memInfo.capacity / 2);')
-        hf_body.append('    }')
-        hf_body.append('')
-        hf_body.append('    assert(g_memInfo.numEntrys < g_memInfo.capacity);')
-        hf_body.append('    entry = g_memInfo.pEntrys + g_memInfo.numEntrys;')
-        hf_body.append('    g_memInfo.numEntrys++;')
-        hf_body.append('    assert(entry->valid == FALSE);')
-        hf_body.append('    return entry;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('// caller must hold the g_memInfoLock')
-        hf_body.append('static XGLAllocInfo * find_mem_info_entry(const XGL_GPU_MEMORY handle)')
-        hf_body.append('{')
-        hf_body.append('    XGLAllocInfo *entry;')
-        hf_body.append('    unsigned int i;')
-        hf_body.append('    entry = g_memInfo.pEntrys;')
-        hf_body.append('    if (g_memInfo.pLastMapped && g_memInfo.pLastMapped->handle == handle && g_memInfo.pLastMapped->valid)')
-        hf_body.append('    {')
-        hf_body.append('        return g_memInfo.pLastMapped;')
-        hf_body.append('    }')
-        hf_body.append('    for (i = 0; i < g_memInfo.numEntrys; i++)')
-        hf_body.append('    {')
-        hf_body.append('        if ((entry + i)->valid && (handle == (entry + i)->handle))')
-        hf_body.append('        {')
-        hf_body.append('            return entry + i;')
-        hf_body.append('        }')
-        hf_body.append('    }')
-        hf_body.append('')
-        hf_body.append('    return NULL;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static XGLAllocInfo * find_mem_info_entry_lock(const XGL_GPU_MEMORY handle)')
-        hf_body.append('{')
-        hf_body.append('    XGLAllocInfo *res;')
-        hf_body.append('    glv_enter_critical_section(&g_memInfoLock);')
-        hf_body.append('    res = find_mem_info_entry(handle);')
-        hf_body.append('    glv_leave_critical_section(&g_memInfoLock);')
-        hf_body.append('    return res;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_new_handle_to_mem_info(const XGL_GPU_MEMORY handle, XGL_GPU_SIZE size, void *pData)')
-        hf_body.append('{')
-        hf_body.append('    XGLAllocInfo *entry;')
-        hf_body.append('')
-        hf_body.append('    glv_enter_critical_section(&g_memInfoLock);')
-        hf_body.append('    if (g_memInfo.capacity == 0)')
-        hf_body.append('        init_mem_info();')
-        hf_body.append('')
-        hf_body.append('    entry = get_mem_info_entry();')
-        hf_body.append('    if (entry)')
-        hf_body.append('    {')
-        hf_body.append('        entry->valid = TRUE;')
-        hf_body.append('        entry->handle = handle;')
-        hf_body.append('        entry->size = size;')
-        hf_body.append('        entry->pData = pData;   // NOTE: xglFreeMemory will free this mem, so no malloc()')
-        hf_body.append('    }')
-        hf_body.append('    glv_leave_critical_section(&g_memInfoLock);')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_data_to_mem_info(const XGL_GPU_MEMORY handle, void *pData)')
-        hf_body.append('{')
-        hf_body.append('    XGLAllocInfo *entry;')
-        hf_body.append('')
-        hf_body.append('    glv_enter_critical_section(&g_memInfoLock);')
-        hf_body.append('    entry = find_mem_info_entry(handle);')
-        hf_body.append('    if (entry)')
-        hf_body.append('    {')
-        hf_body.append('        entry->pData = pData;')
-        hf_body.append('    }')
-        hf_body.append('    g_memInfo.pLastMapped = entry;')
-        hf_body.append('    glv_leave_critical_section(&g_memInfoLock);')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void rm_handle_from_mem_info(const XGL_GPU_MEMORY handle)')
-        hf_body.append('{')
-        hf_body.append('    XGLAllocInfo *entry;')
-        hf_body.append('')
-        hf_body.append('    glv_enter_critical_section(&g_memInfoLock);')
-        hf_body.append('    entry = find_mem_info_entry(handle);')
-        hf_body.append('    if (entry)')
-        hf_body.append('    {')
-        hf_body.append('        entry->valid = FALSE;')
-        hf_body.append('        entry->pData = NULL;')
-        hf_body.append('        entry->size = 0;')
-        hf_body.append('        entry->handle = NULL;')
-        hf_body.append('')
-        hf_body.append('        if (entry == g_memInfo.pLastMapped)')
-        hf_body.append('            g_memInfo.pLastMapped = NULL;')
-        hf_body.append('        // adjust numEntrys to be last valid entry in list')
-        hf_body.append('        do {')
-        hf_body.append('            entry =  g_memInfo.pEntrys + g_memInfo.numEntrys - 1;')
-        hf_body.append('            if (entry->valid == FALSE)')
-        hf_body.append('                g_memInfo.numEntrys--;')
-        hf_body.append('        } while ((entry->valid == FALSE) && (g_memInfo.numEntrys > 0));')
-        hf_body.append('        if (g_memInfo.numEntrys == 0)')
-        hf_body.append('            delete_mem_info();')
-        hf_body.append('    }')
-        hf_body.append('    glv_leave_critical_section(&g_memInfoLock);')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_begin_cmdbuf_to_trace_packet(glv_trace_packet_header* pHeader, void** ppOut, const void* pIn)')
-        hf_body.append('{')
-        hf_body.append('    const XGL_CMD_BUFFER_BEGIN_INFO* pInNow = pIn;')
-        hf_body.append('    XGL_CMD_BUFFER_BEGIN_INFO** ppOutNext = (XGL_CMD_BUFFER_BEGIN_INFO**)ppOut;')
-        hf_body.append('    while (pInNow != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        XGL_CMD_BUFFER_BEGIN_INFO** ppOutNow = ppOutNext;')
-        hf_body.append('        ppOutNext = NULL;')
-        hf_body.append('')
-        hf_body.append('        switch (pInNow->sType)')
-        hf_body.append('        {')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_CMD_BUFFER_GRAPHICS_BEGIN_INFO:')
-        hf_body.append('            {')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_CMD_BUFFER_GRAPHICS_BEGIN_INFO), pInNow);')
-        hf_body.append('                ppOutNext = (XGL_CMD_BUFFER_BEGIN_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('                break;')
-        hf_body.append('            }')
-        hf_body.append('            default:')
-        hf_body.append('                assert(!"Encountered an unexpected type in cmdbuffer_begin_info list");')
-        hf_body.append('        }')
-        hf_body.append('        pInNow = (XGL_CMD_BUFFER_BEGIN_INFO*)pInNow->pNext;')
-        hf_body.append('    }')
-        hf_body.append('    return;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_alloc_memory_to_trace_packet(glv_trace_packet_header* pHeader, void** ppOut, const void* pIn)')
-        hf_body.append('{')
-        hf_body.append('    const XGL_MEMORY_ALLOC_INFO* pInNow = pIn;')
-        hf_body.append('    XGL_MEMORY_ALLOC_INFO** ppOutNext = (XGL_MEMORY_ALLOC_INFO**)ppOut;')
-        hf_body.append('    while (pInNow != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        XGL_MEMORY_ALLOC_INFO** ppOutNow = ppOutNext;')
-        hf_body.append('        ppOutNext = NULL;')
-        hf_body.append('')
-        hf_body.append('        switch (pInNow->sType)')
-        hf_body.append('        {')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_MEMORY_ALLOC_BUFFER_INFO:')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_MEMORY_ALLOC_BUFFER_INFO), pInNow);')
-        hf_body.append('            ppOutNext = (XGL_MEMORY_ALLOC_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_MEMORY_ALLOC_IMAGE_INFO:')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_MEMORY_ALLOC_IMAGE_INFO), pInNow);')
-        hf_body.append('            ppOutNext = (XGL_MEMORY_ALLOC_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('        default:')
-        hf_body.append('            assert(!"Encountered an unexpected type in memory_alloc_info list");')
-        hf_body.append('        }')
-        hf_body.append('        pInNow = (XGL_MEMORY_ALLOC_INFO*)pInNow->pNext;')
-        hf_body.append('    }')
-        hf_body.append('    return;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static size_t calculate_memory_barrier_size(uint32_t mbCount, const void** ppMemBarriers)')
-        hf_body.append('{')
-        hf_body.append('    uint32_t i, siz=0;')
-        hf_body.append('    for (i = 0; i < mbCount; i++) {')
-        hf_body.append('        XGL_MEMORY_BARRIER *pNext = (XGL_MEMORY_BARRIER *) ppMemBarriers[i];')
-        hf_body.append('        switch (pNext->sType) {')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_MEMORY_BARRIER:')
-        hf_body.append('                siz += sizeof(XGL_MEMORY_BARRIER);')
-        hf_body.append('                break;')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER:')
-        hf_body.append('                siz += sizeof(XGL_BUFFER_MEMORY_BARRIER);')
-        hf_body.append('                break;')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER:')
-        hf_body.append('                siz += sizeof(XGL_IMAGE_MEMORY_BARRIER);')
-        hf_body.append('                break;')
-        hf_body.append('            default:')
-        hf_body.append('                assert(0);')
-        hf_body.append('                break;')
-        hf_body.append('        }')
-        hf_body.append('    }')
-        hf_body.append('    return siz;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_pipeline_shader_to_trace_packet(glv_trace_packet_header* pHeader, XGL_PIPELINE_SHADER* packetShader, const XGL_PIPELINE_SHADER* paramShader)')
-        hf_body.append('{')
-        hf_body.append('    uint32_t i;')
-        hf_body.append('    // constant buffers')
-        hf_body.append('    if (paramShader->linkConstBufferCount > 0 && paramShader->pLinkConstBufferInfo != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        glv_add_buffer_to_trace_packet(pHeader, (void**)&(packetShader->pLinkConstBufferInfo), sizeof(XGL_LINK_CONST_BUFFER) * paramShader->linkConstBufferCount, paramShader->pLinkConstBufferInfo);')
-        hf_body.append('        for (i = 0; i < paramShader->linkConstBufferCount; i++)')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)&(packetShader->pLinkConstBufferInfo[i].pBufferData), packetShader->pLinkConstBufferInfo[i].bufferSize, paramShader->pLinkConstBufferInfo[i].pBufferData);')
-        hf_body.append('        }')
-        hf_body.append('    }')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void finalize_pipeline_shader_address(glv_trace_packet_header* pHeader, const XGL_PIPELINE_SHADER* packetShader)')
-        hf_body.append('{')
-        hf_body.append('    uint32_t i;')
-        hf_body.append('    // constant buffers')
-        hf_body.append('    if (packetShader->linkConstBufferCount > 0 && packetShader->pLinkConstBufferInfo != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        for (i = 0; i < packetShader->linkConstBufferCount; i++)')
-        hf_body.append('        {')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)&(packetShader->pLinkConstBufferInfo[i].pBufferData));')
-        hf_body.append('        }')
-        hf_body.append('        glv_finalize_buffer_address(pHeader, (void**)&(packetShader->pLinkConstBufferInfo));')
-        hf_body.append('    }')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_create_ds_layout_to_trace_packet(glv_trace_packet_header* pHeader, void** ppOut, const void* pIn)')
-        hf_body.append('{')
-        hf_body.append('    const XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO* pInNow = pIn;')
-        hf_body.append('    XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO** ppOutNext = (XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO**)ppOut;')
-        hf_body.append('    while (pInNow != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO** ppOutNow = ppOutNext;')
-        hf_body.append('        ppOutNext = NULL;')
-        hf_body.append('        glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO), pInNow);')
-        hf_body.append('        ppOutNext = (XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('        glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('        pInNow = (XGL_DESCRIPTOR_SET_LAYOUT_CREATE_INFO*)pInNow->pNext;')
-        hf_body.append('    }')
-        hf_body.append('    return;')
-        hf_body.append('}')
-        hf_body.append('')
-        hf_body.append('static void add_update_descriptors_to_trace_packet(glv_trace_packet_header* pHeader, void** ppOut, const void* pIn)')
-        hf_body.append('{')
-        hf_body.append('    const XGL_UPDATE_SAMPLERS* pInNow = pIn;')
-        hf_body.append('    XGL_UPDATE_SAMPLERS** ppOutNext = (XGL_UPDATE_SAMPLERS**)ppOut;')
-        hf_body.append('    while (pInNow != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        XGL_UPDATE_SAMPLERS** ppOutNow = ppOutNext;')
-        hf_body.append('        ppOutNext = NULL;')
-        hf_body.append('        switch (pInNow->sType)')
-        hf_body.append('        {')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_UPDATE_SAMPLERS:')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_UPDATE_SAMPLERS), pInNow);')
-        hf_body.append('            XGL_UPDATE_SAMPLERS* pPacket = (XGL_UPDATE_SAMPLERS*)*ppOutNow;')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pSamplers, ((XGL_UPDATE_SAMPLERS*)pInNow)->count * sizeof(XGL_SAMPLER), ((XGL_UPDATE_SAMPLERS*)pInNow)->pSamplers);')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pSamplers));')
-        hf_body.append('            ppOutNext = (XGL_UPDATE_SAMPLERS**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_UPDATE_SAMPLER_TEXTURES:')
-        hf_body.append('        {')
-        #hf_body.append('            totalUpdateSize += sizeof(XGL_UPDATE_SAMPLER_TEXTURES) + ((XGL_UPDATE_SAMPLER_TEXTURES*)pNext)->count * (sizeof(XGL_SAMPLER_IMAGE_VIEW_INFO) + sizeof(XGL_IMAGE_VIEW_ATTACH_INFO));')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_UPDATE_SAMPLER_TEXTURES), pInNow);')
-        hf_body.append('            XGL_UPDATE_SAMPLER_TEXTURES* pPacket = (XGL_UPDATE_SAMPLER_TEXTURES*)*ppOutNow;')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pSamplerImageViews, ((XGL_UPDATE_SAMPLER_TEXTURES*)pInNow)->count * sizeof(XGL_SAMPLER_IMAGE_VIEW_INFO), ((XGL_UPDATE_SAMPLER_TEXTURES*)pInNow)->pSamplerImageViews);')
-        # TODO : This is still broken. How to update the original XGL_SAMPLER_IMAGE_VIEW_INFO struct ptrs to have correct address for newly added XGL_IMAGE_VIEW_ATTACH_INFO blocks below?
-        hf_body.append('            uint32_t i;')
-        hf_body.append('            for (i = 0; i < ((XGL_UPDATE_SAMPLER_TEXTURES*)pInNow)->count; i++) {')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pSamplerImageViews[i].pImageView, sizeof(XGL_IMAGE_VIEW_ATTACH_INFO), ((XGL_UPDATE_SAMPLER_TEXTURES*)pInNow)->pSamplerImageViews[i].pImageView);')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pSamplerImageViews[i].pImageView));')
-        hf_body.append('            }')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pSamplerImageViews));')
-        hf_body.append('            ppOutNext = (XGL_UPDATE_SAMPLERS**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_UPDATE_IMAGES:')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_UPDATE_IMAGES), pInNow);')
-        hf_body.append('            XGL_UPDATE_IMAGES* pPacket = (XGL_UPDATE_IMAGES*)*ppOutNow;')
-        hf_body.append('            uint32_t i;')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pImageViews, ((XGL_UPDATE_IMAGES*)pInNow)->count * sizeof(XGL_IMAGE_VIEW_ATTACH_INFO *), ((XGL_UPDATE_IMAGES*)pInNow)->pImageViews);')
-        hf_body.append('            for (i = 0; i < ((XGL_UPDATE_IMAGES*)pInNow)->count; i++) {')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pImageViews[i], sizeof(XGL_IMAGE_VIEW_ATTACH_INFO), ((XGL_UPDATE_IMAGES*)pInNow)->pImageViews[i]);')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pImageViews[i]));')
-        hf_body.append('            }')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pImageViews));')
-        hf_body.append('            ppOutNext = (XGL_UPDATE_SAMPLERS**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_UPDATE_BUFFERS:')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_UPDATE_BUFFERS), pInNow);')
-        hf_body.append('            XGL_UPDATE_BUFFERS* pPacket = (XGL_UPDATE_BUFFERS*)*ppOutNow;')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pBufferViews, ((XGL_UPDATE_BUFFERS*)pInNow)->count * sizeof(XGL_BUFFER_VIEW_ATTACH_INFO *), ((XGL_UPDATE_BUFFERS*)pInNow)->pBufferViews);')
-        hf_body.append('            uint32_t i;')
-        hf_body.append('            for (i = 0; i < ((XGL_UPDATE_BUFFERS*)pInNow)->count; i++) {')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pBufferViews[i], sizeof(XGL_BUFFER_VIEW_ATTACH_INFO), ((XGL_UPDATE_BUFFERS*)pInNow)->pBufferViews[i]);')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pBufferViews[i]));')
-        hf_body.append('            }')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pBufferViews));')
-        hf_body.append('            ppOutNext = (XGL_UPDATE_SAMPLERS**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('        case XGL_STRUCTURE_TYPE_UPDATE_AS_COPY:')
-        hf_body.append('        {')
-        hf_body.append('            glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_UPDATE_AS_COPY), pInNow);')
-        hf_body.append('            ppOutNext = (XGL_UPDATE_SAMPLERS**)&(*ppOutNow)->pNext;')
-        hf_body.append('            glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('            break;')
-        hf_body.append('        }')
-        hf_body.append('            default:')
-        hf_body.append('                assert(0);')
-        hf_body.append('        }')
-        hf_body.append('        pInNow = (XGL_UPDATE_SAMPLERS*)pInNow->pNext;')
-        hf_body.append('    }')
-        hf_body.append('    return;')
-        hf_body.append('}')
-        hf_body.append('')
-        pipe_state_list = ['IA_STATE_CREATE_INFO',
-                           'TESS_STATE_CREATE_INFO',
-                           'RS_STATE_CREATE_INFO',
-                           'DS_STATE_CREATE_INFO',
-                           'VP_STATE_CREATE_INFO',
-                           'MS_STATE_CREATE_INFO'
-                           ]
-        hf_body.append('static void add_pipeline_state_to_trace_packet(glv_trace_packet_header* pHeader, void** ppOut, const void* pIn)')
-        hf_body.append('{')
-        hf_body.append('    const XGL_GRAPHICS_PIPELINE_CREATE_INFO* pInNow = pIn;')
-        hf_body.append('    XGL_GRAPHICS_PIPELINE_CREATE_INFO** ppOutNext = (XGL_GRAPHICS_PIPELINE_CREATE_INFO**)ppOut;')
-        hf_body.append('    while (pInNow != NULL)')
-        hf_body.append('    {')
-        hf_body.append('        XGL_GRAPHICS_PIPELINE_CREATE_INFO** ppOutNow = ppOutNext;')
-        hf_body.append('        ppOutNext = NULL;')
-        hf_body.append('')
-        hf_body.append('        switch (pInNow->sType)')
-        hf_body.append('        {')
-        for pipe_state in pipe_state_list:
-            hf_body.append('            case XGL_STRUCTURE_TYPE_PIPELINE_%s:' % pipe_state)
-            hf_body.append('            {')
-            hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_PIPELINE_%s), pInNow);' % pipe_state)
-            hf_body.append('                ppOutNext = (XGL_GRAPHICS_PIPELINE_CREATE_INFO**)&(*ppOutNow)->pNext;')
-            hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-            hf_body.append('                break;')
-            hf_body.append('            }')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_PIPELINE_CB_STATE_CREATE_INFO:')
-        hf_body.append('            {')
-        hf_body.append('                XGL_PIPELINE_CB_STATE_CREATE_INFO *pPacket = NULL;')
-        hf_body.append('                XGL_PIPELINE_CB_STATE_CREATE_INFO *pIn = NULL;')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_PIPELINE_CB_STATE_CREATE_INFO), pInNow);')
-        hf_body.append('                pPacket = (XGL_PIPELINE_CB_STATE_CREATE_INFO*) *ppOutNow;')
-        hf_body.append('                pIn = (XGL_PIPELINE_CB_STATE_CREATE_INFO*) pInNow;')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pAttachments, pIn->attachmentCount * sizeof(XGL_PIPELINE_CB_ATTACHMENT_STATE), pIn->pAttachments);')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pAttachments));')
-        hf_body.append('                ppOutNext = (XGL_GRAPHICS_PIPELINE_CREATE_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('                break;')
-        hf_body.append('            }')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO:')
-        hf_body.append('            {')
-        hf_body.append('                XGL_PIPELINE_SHADER_STAGE_CREATE_INFO* pPacket = NULL;')
-        hf_body.append('                XGL_PIPELINE_SHADER_STAGE_CREATE_INFO* pInPacket = NULL;')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_PIPELINE_SHADER_STAGE_CREATE_INFO), pInNow);')
-        hf_body.append('                pPacket = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*) *ppOutNow;')
-        hf_body.append('                pInPacket = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*) pInNow;')
-        hf_body.append('                add_pipeline_shader_to_trace_packet(pHeader, &pPacket->shader, &pInPacket->shader);')
-        hf_body.append('                finalize_pipeline_shader_address(pHeader, &pPacket->shader);')
-        hf_body.append('                ppOutNext = (XGL_GRAPHICS_PIPELINE_CREATE_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('                break;')
-        hf_body.append('            }')
-        hf_body.append('            case XGL_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_CREATE_INFO:')
-        hf_body.append('            {')
-        hf_body.append('                XGL_PIPELINE_VERTEX_INPUT_CREATE_INFO *pPacket = NULL;')
-        hf_body.append('                XGL_PIPELINE_VERTEX_INPUT_CREATE_INFO *pIn = NULL;')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void**)(ppOutNow), sizeof(XGL_PIPELINE_VERTEX_INPUT_CREATE_INFO), pInNow);')
-        hf_body.append('                pPacket = (XGL_PIPELINE_VERTEX_INPUT_CREATE_INFO*) *ppOutNow;')
-        hf_body.append('                pIn = (XGL_PIPELINE_VERTEX_INPUT_CREATE_INFO*) pInNow;')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pVertexBindingDescriptions, pIn->bindingCount * sizeof(XGL_VERTEX_INPUT_BINDING_DESCRIPTION), pIn->pVertexBindingDescriptions);')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pVertexBindingDescriptions));')
-        hf_body.append('                glv_add_buffer_to_trace_packet(pHeader, (void **) &pPacket->pVertexAttributeDescriptions, pIn->attributeCount * sizeof(XGL_VERTEX_INPUT_ATTRIBUTE_DESCRIPTION), pIn->pVertexAttributeDescriptions);')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)&(pPacket->pVertexAttributeDescriptions));')
-        hf_body.append('                ppOutNext = (XGL_GRAPHICS_PIPELINE_CREATE_INFO**)&(*ppOutNow)->pNext;')
-        hf_body.append('                glv_finalize_buffer_address(pHeader, (void**)(ppOutNow));')
-        hf_body.append('                break;')
-        hf_body.append('            }')
-        hf_body.append('            default:')
-        hf_body.append('                assert(!"Encountered an unexpected type in pipeline state list");')
-        hf_body.append('        }')
-        hf_body.append('        pInNow = (XGL_GRAPHICS_PIPELINE_CREATE_INFO*)pInNow->pNext;')
-        hf_body.append('    }')
-        hf_body.append('    return;')
-        hf_body.append('}')
-        return "\n".join(hf_body)
-
     def _generate_packet_id_enum(self):
         pid_enum = []
         pid_enum.append('enum GLV_TRACE_PACKET_ID_XGL')
@@ -1699,92 +1112,6 @@
                 if_body.append('}\n')
         return "\n".join(if_body)
 
-    def _generate_replay_class_decls(self):
-        cd_body = []
-        cd_body.append('class ApiReplay {')
-        cd_body.append('public:')
-        cd_body.append('    virtual ~ApiReplay() { }')
-        cd_body.append('    virtual enum glv_replay::GLV_REPLAY_RESULT replay(glv_trace_packet_header * packet) = 0;')
-        cd_body.append('    virtual int init(glv_replay::Display & disp) = 0;')
-        cd_body.append('    virtual void push_validation_msg(XGL_VALIDATION_LEVEL validationLevel, XGL_BASE_OBJECT srcObject, size_t location, int32_t msgCode, const char* pMsg) = 0;')
-        cd_body.append('    virtual glv_replay::GLV_REPLAY_RESULT pop_validation_msgs() = 0;')
-        cd_body.append('    virtual int dump_validation_data() = 0;')
-        cd_body.append('};\n')
-        cd_body.append('class xglDisplay: public glv_replay::DisplayImp {')
-        cd_body.append('friend class xglReplay;')
-        cd_body.append('public:')
-        cd_body.append('    xglDisplay();')
-        cd_body.append('    ~xglDisplay();')
-        cd_body.append('    int init(const unsigned int gpu_idx);')
-        cd_body.append('    int set_window(glv_window_handle hWindow, unsigned int width, unsigned int height);')
-        cd_body.append('    int create_window(const unsigned int width, const unsigned int height);')
-        cd_body.append('    void resize_window(const unsigned int width, const unsigned int height);')
-        cd_body.append('    void process_event();')
-        cd_body.append('    // XGL_DEVICE get_device() { return m_dev[m_gpuIdx];}')
-        cd_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        cd_body.append('    xcb_window_t get_window_handle() { return m_XcbWindow; }')
-        cd_body.append('#elif defined(WIN32)')
-        cd_body.append('    HWND get_window_handle() { return m_windowHandle; }')
-        cd_body.append('#endif')
-        cd_body.append('private:')
-        cd_body.append('    XGL_RESULT init_xgl(const unsigned int gpu_idx);')
-        cd_body.append('    bool m_initedXGL;')
-        cd_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        cd_body.append('    XGL_WSI_X11_CONNECTION_INFO m_WsiConnection;')
-        cd_body.append('    xcb_screen_t *m_pXcbScreen;')
-        cd_body.append('    xcb_window_t m_XcbWindow;')
-        cd_body.append('#elif defined(WIN32)')
-        cd_body.append('    HWND m_windowHandle;')
-        cd_body.append('#endif')
-        cd_body.append('    unsigned int m_windowWidth;')
-        cd_body.append('    unsigned int m_windowHeight;')
-        cd_body.append('    unsigned int m_frameNumber;')
-        cd_body.append('    std::vector<uint32_t> imageWidth;')
-        cd_body.append('    std::vector<uint32_t> imageHeight;')
-        cd_body.append('    std::vector<XGL_IMAGE> imageHandles;')
-        cd_body.append('    std::vector<XGL_GPU_MEMORY> imageMemory;')
-        cd_body.append('#if 0')
-        cd_body.append('    XGL_DEVICE m_dev[XGL_MAX_PHYSICAL_GPUS];')
-        cd_body.append('    uint32_t m_gpuCount;')
-        cd_body.append('    unsigned int m_gpuIdx;')
-        cd_body.append('    XGL_PHYSICAL_GPU m_gpus[XGL_MAX_PHYSICAL_GPUS];')
-        cd_body.append('    XGL_PHYSICAL_GPU_PROPERTIES m_gpuProps[XGL_MAX_PHYSICAL_GPUS];')
-        cd_body.append('#endif')
-        cd_body.append('    std::vector<char *>m_extensions;')
-        cd_body.append('};\n')
-        cd_body.append('class objMemory {')
-        cd_body.append('public:')
-        cd_body.append('    objMemory() : m_numAllocations(0), m_pMemReqs(NULL) {}')
-        cd_body.append('    ~objMemory() { free(m_pMemReqs);}')
-        cd_body.append('    void setCount(const uint32_t num);')
-        cd_body.append('    void setReqs(const XGL_MEMORY_REQUIREMENTS *pReqs, const uint32_t num);')
-        cd_body.append('private:')
-        cd_body.append('    uint32_t m_numAllocations;')
-        cd_body.append('    XGL_MEMORY_REQUIREMENTS *m_pMemReqs;')
-        cd_body.append('};\n')
-        cd_body.append('class gpuMemory {')
-        cd_body.append('public:')
-        cd_body.append('    gpuMemory() : m_pendingAlloc(false) {m_allocInfo.allocationSize = 0;}')
-        cd_body.append('    ~gpuMemory() {}')
-        cd_body.append('    bool isPendingAlloc();')
-        cd_body.append('    void setAllocInfo(const XGL_MEMORY_ALLOC_INFO *info, const bool pending);')
-        cd_body.append('    void setMemoryDataAddr(void *pBuf);')
-        cd_body.append('    void setMemoryMapRange(void *pBuf, const size_t size, const size_t offset, const bool pending);')
-        cd_body.append('    void copyMappingData(const void *pSrcData);')
-        cd_body.append('    size_t getMemoryMapSize();')
-        cd_body.append('private:')
-        cd_body.append('    bool m_pendingAlloc;')
-        cd_body.append('    struct mapRange {')
-        cd_body.append('        bool pending;')
-        cd_body.append('        size_t size;')
-        cd_body.append('        size_t offset;')
-        cd_body.append('        void *pData;')
-        cd_body.append('    };')
-        cd_body.append('    std::vector<struct mapRange> m_mapRange;')
-        cd_body.append('    XGL_MEMORY_ALLOC_INFO m_allocInfo;')
-        cd_body.append('};\n')
-        return "\n".join(cd_body)
-
     def _generate_replay_func_ptrs(self):
         xf_body = []
         xf_body.append('struct xglFuncs {')
@@ -1823,7 +1150,75 @@
         txt += '        return (q == %s.end()) ? XGL_NULL_HANDLE : q->second;\n    }\n' % name
         return txt
 
-    def _generate_replay_class(self):
+    def _generate_replay_objMemory_funcs(self):
+        rof_body = []
+        # Custom code for memory mapping functions for app writes into mapped memory
+        rof_body.append('// memory mapping functions for app writes into mapped memory')
+        rof_body.append('    bool isPendingAlloc()')
+        rof_body.append('    {')
+        rof_body.append('        return m_pendingAlloc;')
+        rof_body.append('    }')
+        rof_body.append('')
+        rof_body.append('    void setAllocInfo(const XGL_MEMORY_ALLOC_INFO *info, const bool pending)')
+        rof_body.append('    {')
+        rof_body.append('        m_pendingAlloc = pending;')
+        rof_body.append('        m_allocInfo = *info;')
+        rof_body.append('    }')
+        rof_body.append('')
+        rof_body.append('    void setMemoryDataAddr(void *pBuf)')
+        rof_body.append('    {')
+        rof_body.append('        if (m_mapRange.empty())')
+        rof_body.append('        {')
+        rof_body.append('            glv_LogError("gpuMemory::setMemoryDataAddr() m_mapRange is empty\\n");')
+        rof_body.append('            return;')
+        rof_body.append('        }')
+        rof_body.append('        MapRange mr = m_mapRange.back();')
+        rof_body.append('        if (mr.pData != NULL)')
+        rof_body.append('            glv_LogWarn("gpuMemory::setMemoryDataAddr() data already mapped overwrite old mapping\\n");')
+        rof_body.append('        else if (pBuf == NULL)')
+        rof_body.append('            glv_LogWarn("gpuMemory::setMemoryDataAddr() adding NULL pointer\\n");')
+        rof_body.append('        mr.pData = pBuf;')
+        rof_body.append('    }')
+        rof_body.append('')
+        rof_body.append('    void setMemoryMapRange(void *pBuf, const size_t size, const size_t offset, const bool pending)')
+        rof_body.append('    {')
+        rof_body.append('        MapRange mr;')
+        rof_body.append('        mr.pData = pBuf;')
+        rof_body.append('        mr.size = size;')
+        rof_body.append('        mr.offset = offset;')
+        rof_body.append('        mr.pending = pending;')
+        rof_body.append('        m_mapRange.push_back(mr);')
+        rof_body.append('    }')
+        rof_body.append('')
+        rof_body.append('    void copyMappingData(const void* pSrcData)')
+        rof_body.append('    {')
+        rof_body.append('        if (m_mapRange.empty())')
+        rof_body.append('        {')
+        rof_body.append('            glv_LogError("gpuMemory::copyMappingData() m_mapRange is empty\\n");')
+        rof_body.append('            return;')
+        rof_body.append('        }')
+        rof_body.append('        MapRange mr = m_mapRange.back();')
+        rof_body.append('        if (!pSrcData || !mr.pData)')
+        rof_body.append('        {')
+        rof_body.append('            if (!pSrcData)')
+        rof_body.append('                glv_LogError("gpuMemory::copyMappingData() null src pointer\\n");')
+        rof_body.append('            else')
+        rof_body.append('                glv_LogError("gpuMemory::copyMappingData() null dest pointer size=%u\\n", m_allocInfo.allocationSize);')
+        rof_body.append('            m_mapRange.pop_back();')
+        rof_body.append('            return;')
+        rof_body.append('        }')
+        rof_body.append('        memcpy(mr.pData, pSrcData, m_allocInfo.allocationSize);')
+        rof_body.append('        if (!mr.pending)')
+        rof_body.append('            m_mapRange.pop_back();')
+        rof_body.append('    }')
+        rof_body.append('')
+        rof_body.append('    size_t getMemoryMapSize()')
+        rof_body.append('    {')
+        rof_body.append('        return (!m_mapRange.empty()) ? m_mapRange.back().size : 0;')
+        rof_body.append('    }\n')
+        return "\n".join(rof_body)
+
+    def _generate_replay_objmapper_class(self):
         # Create dict mapping member var names to XGL type (i.e. 'm_imageViews' : 'XGL_IMAGE_VIEW')
         obj_map_dict = {}
         for ty in xgl.object_type_list:
@@ -1834,71 +1229,106 @@
             mem_var = 'm_%s%ss' % (mem_var_list[0], "".join([m.title() for m in mem_var_list[1:]]))
             obj_map_dict[mem_var] = ty
         rc_body = []
-        rc_body.append('class xglReplay : public ApiReplay {')
+        rc_body.append('typedef struct _XGLAllocInfo {')
+        rc_body.append('    XGL_GPU_SIZE size;')
+        rc_body.append('    void *pData;')
+        rc_body.append('} XGLAllocInfo;')
+        rc_body.append('')
+        rc_body.append('class objMemory {')
         rc_body.append('public:')
-        rc_body.append('    ~xglReplay();')
-        rc_body.append('    xglReplay(glvreplay_settings *pReplaySettings);\n')
-        rc_body.append('    int init(glv_replay::Display & disp);')
-        rc_body.append('    xglDisplay * get_display() {return m_display;}')
-        rc_body.append('    glv_replay::GLV_REPLAY_RESULT replay(glv_trace_packet_header *packet);')
-        rc_body.append('    glv_replay::GLV_REPLAY_RESULT handle_replay_errors(const char* entrypointName, const XGL_RESULT resCall, const XGL_RESULT resTrace, const glv_replay::GLV_REPLAY_RESULT resIn);\n')
-        rc_body.append('    void push_validation_msg(XGL_VALIDATION_LEVEL validationLevel, XGL_BASE_OBJECT srcObject, size_t location, int32_t msgCode, const char* pMsg);')
-        rc_body.append('    glv_replay::GLV_REPLAY_RESULT pop_validation_msgs();')
-        rc_body.append('    int dump_validation_data();')
-        rc_body.append('private:')
-        rc_body.append('    struct xglFuncs m_xglFuncs;')
-        rc_body.append('    DRAW_STATE_DUMP_DOT_FILE m_pDSDump;')
-        rc_body.append('    DRAW_STATE_DUMP_COMMAND_BUFFER_DOT_FILE m_pCBDump;')
-        rc_body.append('    xglDisplay *m_display;')
-        rc_body.append('    struct shaderPair {')
-        rc_body.append('        XGL_SHADER *addr;')
-        rc_body.append('        XGL_SHADER val;')
-        rc_body.append('    };')
-        rc_body.append('    struct validationMsg {')
-        rc_body.append('        XGL_VALIDATION_LEVEL validationLevel;')
-        rc_body.append('        XGL_BASE_OBJECT srcObject;')
-        rc_body.append('        size_t location;')
-        rc_body.append('        int32_t msgCode;')
-        rc_body.append('        char msg[256];')
-        rc_body.append('    };')
-        rc_body.append('    std::vector<struct validationMsg> m_validationMsgs;')
-        rc_body.append('    std::vector<int> m_screenshotFrames;')
-        rc_body.append('    bool m_adjustForGPU; // true if replay adjusts behavior based on GPU')
-        # Code for memory objects for handling replay GPU != trace GPU object memory requirements
-        rc_body.append('    struct imageObj {')
-        rc_body.append('       objMemory imageMem;')
-        rc_body.append('       XGL_IMAGE replayImage;')
-        rc_body.append('    };\n')
-        rc_body.append('    struct bufferObj {')
-        rc_body.append('       objMemory bufferMem;')
-        rc_body.append('       XGL_BUFFER replayBuffer;')
-        rc_body.append('    };\n')
-        rc_body.append('    struct gpuMemObj {')
-        rc_body.append('       gpuMemory *pGpuMem;')
-        rc_body.append('       XGL_GPU_MEMORY replayGpuMem;')
-        rc_body.append('    };\n')
-        rc_body.append('    void init_objMemCount(const XGL_BASE_OBJECT& object, const uint32_t &num)\n    {')
-        rc_body.append('        XGL_IMAGE img = static_cast <XGL_IMAGE> (object);')
-        rc_body.append('        std::map<XGL_IMAGE, struct imageObj>::const_iterator it = m_images.find(img);')
-        rc_body.append('        if (it != m_images.end())')
-        rc_body.append('        {')
-        rc_body.append('            objMemory obj = it->second.imageMem;')
-        rc_body.append('            obj.setCount(num);')
-        rc_body.append('            return;')
-        rc_body.append('        }')
-        rc_body.append('        XGL_BUFFER buf = static_cast <XGL_BUFFER> (object);')
-        rc_body.append('        std::map<XGL_BUFFER, struct bufferObj>::const_iterator itb = m_buffers.find(buf);')
-        rc_body.append('        if (itb != m_buffers.end())')
-        rc_body.append('        {')
-        rc_body.append('            objMemory obj = itb->second.bufferMem;')
-        rc_body.append('            obj.setCount(num);')
-        rc_body.append('            return;')
-        rc_body.append('        }')
-        rc_body.append('        return;')
+        rc_body.append('    objMemory() : m_numAllocations(0), m_pMemReqs(NULL) {}')
+        rc_body.append('    ~objMemory() { free(m_pMemReqs);}')
+        rc_body.append('    void setCount(const uint32_t num)')
+        rc_body.append('    {')
+        rc_body.append('        m_numAllocations = num;')
         rc_body.append('    }\n')
+        rc_body.append('    void setReqs(const XGL_MEMORY_REQUIREMENTS *pReqs, const uint32_t num)')
+        rc_body.append('    {')
+        rc_body.append('        if (m_numAllocations != num && m_numAllocations != 0)')
+        rc_body.append('            glv_LogError("objMemory::setReqs, internal mismatch on number of allocations");')
+        rc_body.append('        if (m_pMemReqs == NULL && pReqs != NULL)')
+        rc_body.append('        {')
+        rc_body.append('            m_pMemReqs = (XGL_MEMORY_REQUIREMENTS *) glv_malloc(num * sizeof(XGL_MEMORY_REQUIREMENTS));')
+        rc_body.append('            if (m_pMemReqs == NULL)')
+        rc_body.append('            {')
+        rc_body.append('                glv_LogError("objMemory::setReqs out of memory");')
+        rc_body.append('                return;')
+        rc_body.append('            }')
+        rc_body.append('            memcpy(m_pMemReqs, pReqs, num);')
+        rc_body.append('        }')
+        rc_body.append('    }\n')
+        rc_body.append('private:')
+        rc_body.append('    uint32_t m_numAllocations;')
+        rc_body.append('    XGL_MEMORY_REQUIREMENTS *m_pMemReqs;')
+        rc_body.append('};')
+        rc_body.append('')
+        rc_body.append('class gpuMemory {')
+        rc_body.append('public:')
+        rc_body.append('    gpuMemory() : m_pendingAlloc(false) {m_allocInfo.allocationSize = 0;}')
+        rc_body.append('    ~gpuMemory() {}')
+        rc_body.append(self._generate_replay_objMemory_funcs())
+#        rc_body.append('    bool isPendingAlloc();')
+#        rc_body.append('    void setAllocInfo(const XGL_MEMORY_ALLOC_INFO *info, const bool pending);')
+#        rc_body.append('    void setMemoryDataAddr(void* pBuf);')
+#        rc_body.append('    void setMemoryMapRange(void* pBuf, const size_t size, const size_t offset, const bool pending);')
+#        rc_body.append('    void copyMappingData(const void *pSrcData);')
+#        rc_body.append('    size_t getMemoryMapSize();')
+        rc_body.append('private:')
+        rc_body.append('    bool m_pendingAlloc;')
+        rc_body.append('    struct MapRange {')
+        rc_body.append('        bool pending;')
+        rc_body.append('        size_t size;')
+        rc_body.append('        size_t offset;')
+        rc_body.append('        void* pData;')
+        rc_body.append('    };')
+        rc_body.append('    std::vector<MapRange> m_mapRange;')
+        rc_body.append('    XGL_MEMORY_ALLOC_INFO m_allocInfo;')
+        rc_body.append('};')
+        rc_body.append('')
+        rc_body.append('typedef struct _imageObj {')
+        rc_body.append('     objMemory imageMem;')
+        rc_body.append('     XGL_IMAGE replayImage;')
+        rc_body.append(' } imageObj;')
+        rc_body.append('')
+        rc_body.append('typedef struct _bufferObj {')
+        rc_body.append('     objMemory bufferMem;')
+        rc_body.append('     XGL_BUFFER replayBuffer;')
+        rc_body.append(' } bufferObj;')
+        rc_body.append('')
+        rc_body.append('typedef struct _gpuMemObj {')
+        rc_body.append('     gpuMemory *pGpuMem;')
+        rc_body.append('     XGL_GPU_MEMORY replayGpuMem;')
+        rc_body.append(' } gpuMemObj;')
+        rc_body.append('')
+        rc_body.append('class xglReplayObjMapper {')
+        rc_body.append('public:')
+        rc_body.append('    xglReplayObjMapper() {}')
+        rc_body.append('    ~xglReplayObjMapper() {}')
+        rc_body.append('')
+        rc_body.append(' bool m_adjustForGPU; // true if replay adjusts behavior based on GPU')
+        # Code for memory objects for handling replay GPU != trace GPU object memory requirements
+        rc_body.append(' void init_objMemCount(const XGL_BASE_OBJECT& object, const uint32_t &num)\n {')
+        rc_body.append('     XGL_IMAGE img = static_cast <XGL_IMAGE> (object);')
+        rc_body.append('     std::map<XGL_IMAGE, imageObj>::const_iterator it = m_images.find(img);')
+        rc_body.append('     if (it != m_images.end())')
+        rc_body.append('     {')
+        rc_body.append('         objMemory obj = it->second.imageMem;')
+        rc_body.append('         obj.setCount(num);')
+        rc_body.append('         return;')
+        rc_body.append('     }')
+        rc_body.append('     XGL_BUFFER buf = static_cast <XGL_BUFFER> (object);')
+        rc_body.append('     std::map<XGL_BUFFER, bufferObj>::const_iterator itb = m_buffers.find(buf);')
+        rc_body.append('     if (itb != m_buffers.end())')
+        rc_body.append('     {')
+        rc_body.append('         objMemory obj = itb->second.bufferMem;')
+        rc_body.append('         obj.setCount(num);')
+        rc_body.append('         return;')
+        rc_body.append('     }')
+        rc_body.append('     return;')
+        rc_body.append(' }\n')
         rc_body.append('    void init_objMemReqs(const XGL_BASE_OBJECT& object, const XGL_MEMORY_REQUIREMENTS *pMemReqs, const unsigned int num)\n    {')
         rc_body.append('        XGL_IMAGE img = static_cast <XGL_IMAGE> (object);')
-        rc_body.append('        std::map<XGL_IMAGE, struct imageObj>::const_iterator it = m_images.find(img);')
+        rc_body.append('        std::map<XGL_IMAGE, imageObj>::const_iterator it = m_images.find(img);')
         rc_body.append('        if (it != m_images.end())')
         rc_body.append('        {')
         rc_body.append('            objMemory obj = it->second.imageMem;')
@@ -1906,7 +1336,7 @@
         rc_body.append('            return;')
         rc_body.append('        }')
         rc_body.append('        XGL_BUFFER buf = static_cast <XGL_BUFFER> (object);')
-        rc_body.append('        std::map<XGL_BUFFER, struct bufferObj>::const_iterator itb = m_buffers.find(buf);')
+        rc_body.append('        std::map<XGL_BUFFER, bufferObj>::const_iterator itb = m_buffers.find(buf);')
         rc_body.append('        if (itb != m_buffers.end())')
         rc_body.append('        {')
         rc_body.append('            objMemory obj = itb->second.bufferMem;')
@@ -1914,37 +1344,38 @@
         rc_body.append('            return;')
         rc_body.append('        }')
         rc_body.append('        return;')
-        rc_body.append('    }\n')
+        rc_body.append('    }')
+        rc_body.append('')
         rc_body.append('    void clear_all_map_handles()\n    {')
         for var in sorted(obj_map_dict):
             rc_body.append('        %s.clear();' % var)
         rc_body.append('    }\n')
         for var in sorted(obj_map_dict):
             if obj_map_dict[var] == 'XGL_IMAGE':
-                rc_body.append(self._map_decl(obj_map_dict[var], 'struct imageObj', var))
-                rc_body.append(self._add_to_map_decl(obj_map_dict[var], 'struct imageObj', var))
+                rc_body.append(self._map_decl(obj_map_dict[var], 'imageObj', var))
+                rc_body.append(self._add_to_map_decl(obj_map_dict[var], 'imageObj', var))
                 rc_body.append(self._rm_from_map_decl(obj_map_dict[var], var))
                 rc_body.append('    XGL_IMAGE remap(const XGL_IMAGE& value)')
                 rc_body.append('    {')
-                rc_body.append('        std::map<XGL_IMAGE, struct imageObj>::const_iterator q = m_images.find(value);')
+                rc_body.append('        std::map<XGL_IMAGE, imageObj>::const_iterator q = m_images.find(value);')
                 rc_body.append('        return (q == m_images.end()) ? XGL_NULL_HANDLE : q->second.replayImage;')
                 rc_body.append('    }\n')
             elif obj_map_dict[var] == 'XGL_BUFFER':
-                rc_body.append(self._map_decl(obj_map_dict[var], 'struct bufferObj', var))
-                rc_body.append(self._add_to_map_decl(obj_map_dict[var], 'struct bufferObj', var))
+                rc_body.append(self._map_decl(obj_map_dict[var], 'bufferObj', var))
+                rc_body.append(self._add_to_map_decl(obj_map_dict[var], 'bufferObj', var))
                 rc_body.append(self._rm_from_map_decl(obj_map_dict[var], var))
                 rc_body.append('    XGL_BUFFER remap(const XGL_BUFFER& value)')
                 rc_body.append('    {')
-                rc_body.append('        std::map<XGL_BUFFER, struct bufferObj>::const_iterator q = m_buffers.find(value);')
+                rc_body.append('        std::map<XGL_BUFFER, bufferObj>::const_iterator q = m_buffers.find(value);')
                 rc_body.append('        return (q == m_buffers.end()) ? XGL_NULL_HANDLE : q->second.replayBuffer;')
                 rc_body.append('    }\n')
             elif obj_map_dict[var] == 'XGL_GPU_MEMORY':
-                rc_body.append(self._map_decl(obj_map_dict[var], 'struct gpuMemObj', var))
-                rc_body.append(self._add_to_map_decl(obj_map_dict[var], 'struct gpuMemObj', var))
+                rc_body.append(self._map_decl(obj_map_dict[var], 'gpuMemObj', var))
+                rc_body.append(self._add_to_map_decl(obj_map_dict[var], 'gpuMemObj', var))
                 rc_body.append(self._rm_from_map_decl(obj_map_dict[var], var))
                 rc_body.append('    XGL_GPU_MEMORY remap(const XGL_GPU_MEMORY& value)')
                 rc_body.append('    {')
-                rc_body.append('        std::map<XGL_GPU_MEMORY, struct gpuMemObj>::const_iterator q = m_gpuMemorys.find(value);')
+                rc_body.append('        std::map<XGL_GPU_MEMORY, gpuMemObj>::const_iterator q = m_gpuMemorys.find(value);')
                 rc_body.append('        return (q == m_gpuMemorys.end()) ? XGL_NULL_HANDLE : q->second.replayGpuMem;')
                 rc_body.append('    }\n')
             else:
@@ -1963,7 +1394,8 @@
         rc_body.append('    void rm_from_map(const XGL_DYNAMIC_STATE_OBJECT& state)\n    {')
         for t in state_obj_remap_types:
             rc_body.append('        rm_from_map(static_cast <%s> (state));' % t)
-        rc_body.append('    }\n')
+        rc_body.append('    }')
+        rc_body.append('')
         # OBJECT code
         rc_body.append('    XGL_OBJECT remap(const XGL_OBJECT& object)\n    {')
         rc_body.append('        XGL_OBJECT obj;')
@@ -1982,461 +1414,11 @@
         for t in base_obj_remap_types:
             rc_body.append('        if ((obj = remap(static_cast <%s> (object))) != XGL_NULL_HANDLE)' % t)
             rc_body.append('            return obj;')
-        rc_body.append('        return XGL_NULL_HANDLE;\n    }')
-        rc_body.append('void process_screenshot_list(const char *list)')
-        rc_body.append('{')
-        rc_body.append('    std::string spec(list), word;')
-        rc_body.append('    size_t start = 0, comma = 0;\n')
-        rc_body.append('    while (start < spec.size()) {')
-        rc_body.append('        comma = spec.find(\',\', start);\n')
-        rc_body.append('        if (comma == std::string::npos)')
-        rc_body.append('            word = std::string(spec, start);')
-        rc_body.append('        else')
-        rc_body.append('            word = std::string(spec, start, comma - start);\n')
-        rc_body.append('        m_screenshotFrames.push_back(atoi(word.c_str()));')
-        rc_body.append('        if (comma == std::string::npos)')
-        rc_body.append('            break;\n')
-        rc_body.append('        start = comma + 1;\n')
+        rc_body.append('        return XGL_NULL_HANDLE;')
         rc_body.append('    }')
-        rc_body.append('}')
         rc_body.append('};')
         return "\n".join(rc_body)
 
-    def _generate_replay_display_init_xgl(self):
-        dix_body = []
-        dix_body.append('XGL_RESULT xglDisplay::init_xgl(unsigned int gpu_idx)')
-        dix_body.append('{')
-        dix_body.append('#if 0')
-        dix_body.append('    XGL_APPLICATION_INFO appInfo = {};')
-        dix_body.append('    appInfo.pAppName = APP_NAME;')
-        dix_body.append('    appInfo.pEngineName = "";')
-        dix_body.append('    appInfo.apiVersion = XGL_API_VERSION;')
-        dix_body.append('    XGL_RESULT res = xglInitAndEnumerateGpus(&appInfo, NULL, XGL_MAX_PHYSICAL_GPUS, &m_gpuCount, m_gpus);')
-        dix_body.append('    if ( res == XGL_SUCCESS ) {')
-        dix_body.append('        // retrieve the GPU information for all GPUs')
-        dix_body.append('        for( uint32_t gpu = 0; gpu < m_gpuCount; gpu++)')
-        dix_body.append('        {')
-        dix_body.append('            size_t gpuInfoSize = sizeof(m_gpuProps[0]);\n')
-        dix_body.append('            // get the GPU physical properties:')
-        dix_body.append('            res = xglGetGpuInfo( m_gpus[gpu], XGL_INFO_TYPE_PHYSICAL_GPU_PROPERTIES, &gpuInfoSize, &m_gpuProps[gpu]);')
-        dix_body.append('            if (res != XGL_SUCCESS)')
-        dix_body.append('                glv_LogWarn("Failed to retrieve properties for gpu[%d] result %d\\n", gpu, res);')
-        dix_body.append('        }')
-        dix_body.append('        res = XGL_SUCCESS;')
-        dix_body.append('    } else if ((gpu_idx + 1) > m_gpuCount) {')
-        dix_body.append('        glv_LogError("xglInitAndEnumerate number of gpus does not include requested index: num %d, requested %d\\n", m_gpuCount, gpu_idx);')
-        dix_body.append('        return -1;')
-        dix_body.append('    } else {')
-        dix_body.append('        glv_LogError("xglInitAndEnumerate failed\\n");')
-        dix_body.append('        return res;')
-        dix_body.append('    }')
-        dix_body.append('    // TODO add multi-gpu support always use gpu[gpu_idx] for now')
-        dix_body.append('    // get all extensions supported by this device gpu[gpu_idx]')
-        dix_body.append('    // first check if extensions are available and save a list of them')
-        dix_body.append('    bool foundWSIExt = false;')
-        dix_body.append('    for( int ext = 0; ext < sizeof( extensions ) / sizeof( extensions[0] ); ext++)')
-        dix_body.append('    {')
-        dix_body.append('        res = xglGetExtensionSupport( m_gpus[gpu_idx], extensions[ext] );')
-        dix_body.append('        if (res == XGL_SUCCESS) {')
-        dix_body.append('            m_extensions.push_back((char *) extensions[ext]);')
-        dix_body.append('            if (!strcmp(extensions[ext], "XGL_WSI_WINDOWS"))')
-        dix_body.append('                foundWSIExt = true;')
-        dix_body.append('        }')
-        dix_body.append('    }')
-        dix_body.append('    if (!foundWSIExt) {')
-        dix_body.append('        glv_LogError("XGL_WSI_WINDOWS extension not supported by gpu[%d]\\n", gpu_idx);')
-        dix_body.append('        return XGL_ERROR_INCOMPATIBLE_DEVICE;')
-        dix_body.append('    }')
-        dix_body.append('    // TODO generalize this: use one universal queue for now')
-        dix_body.append('    XGL_DEVICE_QUEUE_CREATE_INFO dqci = {};')
-        dix_body.append('    dqci.queueCount = 1;')
-        dix_body.append('    dqci.queueType = XGL_QUEUE_UNIVERSAL;')
-        dix_body.append('    // create the device enabling validation level 4')
-        dix_body.append('    const char * const * extNames = &m_extensions[0];')
-        dix_body.append('    XGL_DEVICE_CREATE_INFO info = {};')
-        dix_body.append('    info.queueRecordCount = 1;')
-        dix_body.append('    info.pRequestedQueues = &dqci;')
-        dix_body.append('    info.extensionCount = static_cast <uint32_t> (m_extensions.size());')
-        dix_body.append('    info.ppEnabledExtensionNames = extNames;')
-        dix_body.append('    info.flags = XGL_DEVICE_CREATE_VALIDATION;')
-        dix_body.append('    info.maxValidationLevel = XGL_VALIDATION_LEVEL_4;')
-        dix_body.append('    bool32_t xglTrue = XGL_TRUE;')
-        dix_body.append('    res = xglDbgSetGlobalOption( XGL_DBG_OPTION_BREAK_ON_ERROR, sizeof( xglTrue ), &xglTrue );')
-        dix_body.append('    if (res != XGL_SUCCESS)')
-        dix_body.append('        glv_LogWarn("Could not set debug option break on error\\n");')
-        dix_body.append('    res = xglCreateDevice( m_gpus[0], &info, &m_dev[gpu_idx]);')
-        dix_body.append('    return res;')
-        dix_body.append('#else')
-        dix_body.append('    return XGL_ERROR_INITIALIZATION_FAILED;')
-        dix_body.append('#endif')
-        dix_body.append('}')
-        return "\n".join(dix_body)
-
-    def _generate_replay_display_init(self):
-        di_body = []
-        di_body.append('int xglDisplay::init(const unsigned int gpu_idx)')
-        di_body.append('{')
-        di_body.append('    //m_gpuIdx = gpu_idx;')
-        di_body.append('#if 0')
-        di_body.append('    XGL_RESULT result = init_xgl(gpu_idx);')
-        di_body.append('    if (result != XGL_SUCCESS) {')
-        di_body.append('        glv_LogError("could not init xgl library");')
-        di_body.append('        return -1;')
-        di_body.append('    } else {')
-        di_body.append('        m_initedXGL = true;')
-        di_body.append('    }')
-        di_body.append('#endif')
-        di_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        di_body.append('    const xcb_setup_t *setup;')
-        di_body.append('    xcb_screen_iterator_t iter;')
-        di_body.append('    int scr;')
-        di_body.append('    xcb_connection_t *pConnection;')
-        di_body.append('    pConnection = xcb_connect(NULL, &scr);')
-        di_body.append('    setup = xcb_get_setup(pConnection);')
-        di_body.append('    iter = xcb_setup_roots_iterator(setup);')
-        di_body.append('    while (scr-- > 0)')
-        di_body.append('        xcb_screen_next(&iter);')
-        di_body.append('    m_pXcbScreen = iter.data;')
-        di_body.append('    m_WsiConnection.pConnection = pConnection;')
-        di_body.append('    m_WsiConnection.root = m_pXcbScreen->root;')
-        di_body.append('#endif')
-        di_body.append('    return 0;')
-        di_body.append('}')
-        return "\n".join(di_body)
-
-    def _generate_replay_display_structors(self):
-        ds_body = []
-        ds_body.append('xglDisplay::xglDisplay()')
-        ds_body.append('    : m_initedXGL(false),')
-        ds_body.append('    m_windowWidth(0),')
-        ds_body.append('    m_windowHeight(0)')
-        ds_body.append('{')
-        ds_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        ds_body.append('    m_WsiConnection.pConnection = NULL;')
-        ds_body.append('    m_WsiConnection.root = 0;')
-        ds_body.append('    m_WsiConnection.provider = 0;')
-        ds_body.append('    m_pXcbScreen = NULL;')
-        ds_body.append('    m_XcbWindow = 0;')
-        ds_body.append('#elif defined(WIN32)')
-        ds_body.append('    m_windowHandle = NULL;')
-        ds_body.append('#endif')
-        ds_body.append('}')
-        ds_body.append('xglDisplay::~xglDisplay()')
-        ds_body.append('{')
-        ds_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        ds_body.append('    if (m_XcbWindow != 0)')
-        ds_body.append('    {')
-        ds_body.append('        xcb_destroy_window(m_WsiConnection.pConnection, m_XcbWindow);')
-        ds_body.append('    }')
-        ds_body.append('    if (m_WsiConnection.pConnection != NULL)')
-        ds_body.append('    {')
-        ds_body.append('        xcb_disconnect(m_WsiConnection.pConnection);')
-        ds_body.append('    }')
-        ds_body.append('#endif')
-        ds_body.append('}')
-        return "\n".join(ds_body)
-
-    def _generate_replay_display_window(self):
-        dw_body = []
-        dw_body.append('#if defined(WIN32)')
-        dw_body.append('LRESULT WINAPI WindowProcXgl( HWND window, unsigned int msg, WPARAM wp, LPARAM lp)')
-        dw_body.append('{')
-        dw_body.append('    switch(msg)')
-        dw_body.append('    {')
-        dw_body.append('        case WM_CLOSE:')
-        dw_body.append('            DestroyWindow( window);')
-        dw_body.append('            // fall-thru')
-        dw_body.append('        case WM_DESTROY:')
-        dw_body.append('            PostQuitMessage(0) ;')
-        dw_body.append('            return 0L ;')
-        dw_body.append('        default:')
-        dw_body.append('            return DefWindowProc( window, msg, wp, lp ) ;')
-        dw_body.append('    }')
-        dw_body.append('}')
-        dw_body.append('#endif')
-        dw_body.append('int xglDisplay::set_window(glv_window_handle hWindow, unsigned int width, unsigned int height)')
-        dw_body.append('{')
-        dw_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        dw_body.append('    m_XcbWindow = hWindow;')
-        dw_body.append('#elif defined(WIN32)')
-        dw_body.append('    m_windowHandle = hWindow;')
-        dw_body.append('#endif')
-        dw_body.append('    m_windowWidth = width;')
-        dw_body.append('    m_windowHeight = height;')
-        dw_body.append('    return 0;')
-        dw_body.append('}\n')
-        dw_body.append('int xglDisplay::create_window(const unsigned int width, const unsigned int height)')
-        dw_body.append('{')
-        dw_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)\n')
-        dw_body.append('    uint32_t value_mask, value_list[32];')
-        dw_body.append('    m_XcbWindow = xcb_generate_id(m_WsiConnection.pConnection);\n')
-        dw_body.append('    value_mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;')
-        dw_body.append('    value_list[0] = m_pXcbScreen->black_pixel;')
-        dw_body.append('    value_list[1] = XCB_EVENT_MASK_KEY_RELEASE |')
-        dw_body.append('                    XCB_EVENT_MASK_EXPOSURE;\n')
-        dw_body.append('    xcb_create_window(m_WsiConnection.pConnection,')
-        dw_body.append('            XCB_COPY_FROM_PARENT,')
-        dw_body.append('            m_XcbWindow, m_WsiConnection.root,')
-        dw_body.append('            0, 0, width, height, 0,')
-        dw_body.append('            XCB_WINDOW_CLASS_INPUT_OUTPUT,')
-        dw_body.append('            m_pXcbScreen->root_visual,')
-        dw_body.append('            value_mask, value_list);\n')
-        dw_body.append('    xcb_map_window(m_WsiConnection.pConnection, m_XcbWindow);')
-        dw_body.append('    xcb_flush(m_WsiConnection.pConnection);')
-        dw_body.append('    return 0;')
-        dw_body.append('#elif defined(WIN32)')
-        dw_body.append('    // Register Window class')
-        dw_body.append('    WNDCLASSEX wcex = {};')
-        dw_body.append('    wcex.cbSize = sizeof( WNDCLASSEX);')
-        dw_body.append('    wcex.style = CS_HREDRAW | CS_VREDRAW;')
-        dw_body.append('    wcex.lpfnWndProc = WindowProcXgl;')
-        dw_body.append('    wcex.cbClsExtra = 0;')
-        dw_body.append('    wcex.cbWndExtra = 0;')
-        dw_body.append('    wcex.hInstance = GetModuleHandle(0);')
-        dw_body.append('    wcex.hIcon = LoadIcon(wcex.hInstance, MAKEINTRESOURCE( IDI_ICON));')
-        dw_body.append('    wcex.hCursor = LoadCursor( NULL, IDC_ARROW);')
-        dw_body.append('    wcex.hbrBackground = ( HBRUSH )( COLOR_WINDOW + 1);')
-        dw_body.append('    wcex.lpszMenuName = NULL;')
-        dw_body.append('    wcex.lpszClassName = APP_NAME;')
-        dw_body.append('    wcex.hIconSm = LoadIcon( wcex.hInstance, MAKEINTRESOURCE( IDI_ICON));')
-        dw_body.append('    if( !RegisterClassEx( &wcex))')
-        dw_body.append('    {')
-        dw_body.append('        glv_LogError("Failed to register windows class\\n");')
-        dw_body.append('        return -1;')
-        dw_body.append('    }\n')
-        dw_body.append('    // create the window')
-        dw_body.append('    m_windowHandle = CreateWindow(APP_NAME, APP_NAME, WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU, 0, 0,')
-        dw_body.append('                          width, height, NULL, NULL, wcex.hInstance, NULL);\n')
-        dw_body.append('    if (m_windowHandle)')
-        dw_body.append('    {')
-        dw_body.append('        ShowWindow( m_windowHandle, SW_SHOWDEFAULT);')
-        dw_body.append('        m_windowWidth = width;')
-        dw_body.append('        m_windowHeight = height;')
-        dw_body.append('    } else {')
-        dw_body.append('        glv_LogError("Failed to create window\\n");')
-        dw_body.append('        return -1;')
-        dw_body.append('    }')
-        dw_body.append('    return 0;')
-        dw_body.append('#endif')
-        dw_body.append('}\n')
-        dw_body.append('void xglDisplay::resize_window(const unsigned int width, const unsigned int height)')
-        dw_body.append('{')
-        dw_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        dw_body.append('    if (width != m_windowWidth || height != m_windowHeight)')
-        dw_body.append('    {')
-        dw_body.append('        uint32_t values[2];')
-        dw_body.append('        values[0] = width;')
-        dw_body.append('        values[1] = height;')
-        dw_body.append('        xcb_configure_window(m_WsiConnection.pConnection, m_XcbWindow, XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values);')
-        dw_body.append('        m_windowWidth = width;')
-        dw_body.append('        m_windowHeight = height;')
-        dw_body.append('    }')
-        dw_body.append('#elif defined(WIN32)')
-        dw_body.append('    if (width != m_windowWidth || height != m_windowHeight)')
-        dw_body.append('    {')
-        dw_body.append('        SetWindowPos(get_window_handle(), HWND_TOP, 0, 0, width, height, SWP_NOMOVE);')
-        dw_body.append('        m_windowWidth = width;')
-        dw_body.append('        m_windowHeight = height;')
-        dw_body.append('    }')
-        dw_body.append('#endif')
-        dw_body.append('}\n')
-        dw_body.append('void xglDisplay::process_event()')
-        dw_body.append('{')
-        dw_body.append('}\n')
-        return "\n".join(dw_body)
-
-    def _generate_replay_objMemory_funcs(self):
-        rof_body = []
-        rof_body.append('void objMemory::setCount(const uint32_t num)')
-        rof_body.append('{')
-        rof_body.append('    m_numAllocations = num;')
-        rof_body.append('}\n')
-        rof_body.append('void objMemory::setReqs(const XGL_MEMORY_REQUIREMENTS *pReqs, const uint32_t num)')
-        rof_body.append('{')
-        rof_body.append('    if (m_numAllocations != num && m_numAllocations != 0)')
-        rof_body.append('        glv_LogError("objMemory::setReqs, internal mismatch on number of allocations");')
-        rof_body.append('    if (m_pMemReqs == NULL && pReqs != NULL)')
-        rof_body.append('    {')
-        rof_body.append('        m_pMemReqs = (XGL_MEMORY_REQUIREMENTS *) glv_malloc(num * sizeof(XGL_MEMORY_REQUIREMENTS));')
-        rof_body.append('        if (m_pMemReqs == NULL)')
-        rof_body.append('        {')
-        rof_body.append('            glv_LogError("objMemory::setReqs out of memory");')
-        rof_body.append('            return;')
-        rof_body.append('        }')
-        rof_body.append('        memcpy(m_pMemReqs, pReqs, num);')
-        rof_body.append('    }')
-        rof_body.append('}\n')
-        # Custom code for memory mapping functions for app writes into mapped memory
-        rof_body.append('    // memory mapping functions for app writes into mapped memory')
-        rof_body.append('    bool gpuMemory::isPendingAlloc()')
-        rof_body.append('    {')
-        rof_body.append('        return m_pendingAlloc;')
-        rof_body.append('    }\n')
-        rof_body.append('    void gpuMemory::setAllocInfo(const XGL_MEMORY_ALLOC_INFO *info, const bool pending)')
-        rof_body.append('    {')
-        rof_body.append('        m_pendingAlloc = pending;')
-        rof_body.append('        m_allocInfo = *info;')
-        rof_body.append('    }\n')
-        rof_body.append('    void gpuMemory::setMemoryDataAddr(void *pBuf)')
-        rof_body.append('    {')
-        rof_body.append('        if (m_mapRange.empty())')
-        rof_body.append('        {')
-        rof_body.append('            glv_LogError("gpuMemory::setMemoryDataAddr() m_mapRange is empty\\n");')
-        rof_body.append('            return;')
-        rof_body.append('        }')
-        rof_body.append('        struct mapRange mr = m_mapRange.back();')
-        rof_body.append('        if (mr.pData != NULL)')
-        rof_body.append('            glv_LogWarn("gpuMemory::setMemoryDataAddr() data already mapped overwrite old mapping\\n");')
-        rof_body.append('        else if (pBuf == NULL)')
-        rof_body.append('            glv_LogWarn("gpuMemory::setMemoryDataAddr() adding NULL pointer\\n");')
-        rof_body.append('        mr.pData = pBuf;')
-        rof_body.append('    }\n')
-        rof_body.append('    void gpuMemory::setMemoryMapRange(void *pBuf, const size_t size, const size_t offset, const bool pending)')
-        rof_body.append('    {')
-        rof_body.append('        struct mapRange mr;')
-        rof_body.append('        mr.pData = pBuf;')
-        rof_body.append('        mr.size = size;')
-        rof_body.append('        mr.offset = offset;')
-        rof_body.append('        mr.pending = pending;')
-        rof_body.append('        m_mapRange.push_back(mr);')
-        rof_body.append('    }\n')
-        rof_body.append('    void gpuMemory::copyMappingData(const void* pSrcData)')
-        rof_body.append('    {')
-        rof_body.append('        if (m_mapRange.empty())')
-        rof_body.append('        {')
-        rof_body.append('            glv_LogError("gpuMemory::copyMappingData() m_mapRange is empty\\n");')
-        rof_body.append('            return;')
-        rof_body.append('        }')
-        rof_body.append('        struct mapRange mr = m_mapRange.back();')
-        rof_body.append('        if (!pSrcData || !mr.pData)')
-        rof_body.append('        {')
-        rof_body.append('            if (!pSrcData)')
-        rof_body.append('                glv_LogError("gpuMemory::copyMappingData() null src pointer\\n");')
-        rof_body.append('            else')
-        rof_body.append('                glv_LogError("gpuMemory::copyMappingData() null dest pointer size=%u\\n", m_allocInfo.allocationSize);')
-        rof_body.append('            m_mapRange.pop_back();')
-        rof_body.append('            return;')
-        rof_body.append('        }')
-        rof_body.append('        memcpy(mr.pData, pSrcData, m_allocInfo.allocationSize);')
-        rof_body.append('        if (!mr.pending)')
-        rof_body.append('          m_mapRange.pop_back();')
-        rof_body.append('    }\n')
-        rof_body.append('    size_t gpuMemory::getMemoryMapSize()')
-        rof_body.append('    {')
-        rof_body.append('        return (!m_mapRange.empty()) ? m_mapRange.back().size : 0;')
-        rof_body.append('    }\n')
-        return "\n".join(rof_body)
-
-    def _generate_replay_structors(self):
-        rs_body = []
-        rs_body.append('xglReplay::xglReplay(glvreplay_settings *pReplaySettings)')
-        rs_body.append('{')
-        rs_body.append('    g_pReplaySettings = pReplaySettings;')
-        rs_body.append('    m_display = new xglDisplay();')
-        rs_body.append('    m_pDSDump = NULL;')
-        rs_body.append('    m_pCBDump = NULL;')
-        rs_body.append('    m_adjustForGPU = false;')
-        rs_body.append('    if (g_pReplaySettings && g_pReplaySettings->screenshotList) {')
-        rs_body.append('        process_screenshot_list(g_pReplaySettings->screenshotList);')
-        rs_body.append('    }')
-        rs_body.append('}\n')
-        rs_body.append('xglReplay::~xglReplay()')
-        rs_body.append('{')
-        rs_body.append('    delete m_display;')
-        rs_body.append('    glv_platform_close_library(m_xglFuncs.m_libHandle);')
-        rs_body.append('}')
-        return "\n".join(rs_body)
-
-    def _generate_replay_init(self):
-        ri_body = []
-        ri_body.append('int xglReplay::init(glv_replay::Display & disp)')
-        ri_body.append('{')
-        ri_body.append('    int err;')
-        ri_body.append('#if defined PLATFORM_LINUX')
-        ri_body.append('    void * handle = dlopen("libXGL.so", RTLD_LAZY);')
-        ri_body.append('#else')
-        ri_body.append('    HMODULE handle = LoadLibrary("xgl.dll" );')
-        ri_body.append('#endif\n')
-        ri_body.append('    if (handle == NULL) {')
-        ri_body.append('        glv_LogError("Failed to open xgl library.\\n");')
-        ri_body.append('        return -1;')
-        ri_body.append('    }')
-        ri_body.append('    m_xglFuncs.init_funcs(handle);')
-        ri_body.append('    disp.set_implementation(m_display);')
-        ri_body.append('    if ((err = m_display->init(disp.get_gpu())) != 0) {')
-        ri_body.append('        glv_LogError("Failed to init XGL display.\\n");')
-        ri_body.append('        return err;')
-        ri_body.append('    }')
-        ri_body.append('    if (disp.get_window_handle() == 0)')
-        ri_body.append('    {')
-        ri_body.append('        if ((err = m_display->create_window(disp.get_width(), disp.get_height())) != 0) {')
-        ri_body.append('            glv_LogError("Failed to create Window\\n");')
-        ri_body.append('            return err;')
-        ri_body.append('        }')
-        ri_body.append('    }')
-        ri_body.append('    else')
-        ri_body.append('    {')
-        ri_body.append('        if ((err = m_display->set_window(disp.get_window_handle(), disp.get_width(), disp.get_height())) != 0)')
-        ri_body.append('        {')
-        ri_body.append('            glv_LogError("Failed to set Window\\n");')
-        ri_body.append('            return err;')
-        ri_body.append('        }')
-        ri_body.append('    }')
-        ri_body.append('    return 0;')
-        ri_body.append('}')
-        return "\n".join(ri_body)
-
-    def _generate_replay_errors(self):
-        re_body = []
-        re_body.append('glv_replay::GLV_REPLAY_RESULT xglReplay::handle_replay_errors(const char* entrypointName, const XGL_RESULT resCall, const XGL_RESULT resTrace, const glv_replay::GLV_REPLAY_RESULT resIn)')
-        re_body.append('{')
-        re_body.append('    glv_replay::GLV_REPLAY_RESULT res = resIn;')
-        re_body.append('    if (resCall != resTrace) {')
-        re_body.append('        glv_LogWarn("Mismatched return from API call (%s) traced result %s, replay result %s\\n", entrypointName,')
-        re_body.append('                string_XGL_RESULT((XGL_RESULT)resTrace), string_XGL_RESULT((XGL_RESULT)resCall));')
-        re_body.append('        res = glv_replay::GLV_REPLAY_BAD_RETURN;')
-        re_body.append('    }')
-        re_body.append('#if 0')
-        re_body.append('    if (resCall != XGL_SUCCESS) {')
-        re_body.append('        glv_LogWarn("API call (%s) returned failed result %s\\n", entrypointName, string_XGL_RESULT(resCall));')
-        re_body.append('    }')
-        re_body.append('#endif')
-        re_body.append('    return res;')
-        re_body.append('}')
-        return "\n".join(re_body)
-
-    def _generate_replay_validation_funcs(self):
-        rvf_body = []
-        rvf_body.append('void xglReplay::push_validation_msg(XGL_VALIDATION_LEVEL validationLevel, XGL_BASE_OBJECT srcObject, size_t location, int32_t msgCode, const char * pMsg)')
-        rvf_body.append('{')
-        rvf_body.append('    struct validationMsg msgObj;')
-        rvf_body.append('    msgObj.validationLevel = validationLevel;')
-        rvf_body.append('    msgObj.srcObject = srcObject;')
-        rvf_body.append('    msgObj.location = location;')
-        rvf_body.append('    msgObj.msgCode = msgCode;')
-        rvf_body.append('    strncpy(msgObj.msg, pMsg, 256);')
-        rvf_body.append("    msgObj.msg[255] = '\\0';")
-        rvf_body.append('    m_validationMsgs.push_back(msgObj);')
-        rvf_body.append('}\n')
-        rvf_body.append('glv_replay::GLV_REPLAY_RESULT xglReplay::pop_validation_msgs()')
-        rvf_body.append('{')
-        rvf_body.append('    if (m_validationMsgs.size() == 0)')
-        rvf_body.append('        return glv_replay::GLV_REPLAY_SUCCESS;')
-        rvf_body.append('    m_validationMsgs.clear();')
-        rvf_body.append('    return glv_replay::GLV_REPLAY_VALIDATION_ERROR;')
-        rvf_body.append('}')
-        rvf_body.append('int xglReplay::dump_validation_data()')
-        rvf_body.append('{')
-        rvf_body.append('   if  (!m_pDSDump || !m_pCBDump)')
-        rvf_body.append('   {')
-        rvf_body.append('       return -1;')
-        rvf_body.append('   }')
-        rvf_body.append('   m_pDSDump((char *) "pipeline_dump.dot");')
-        rvf_body.append('   m_pCBDump((char *) "cb_dump.dot");')
-        rvf_body.append('   return 0;')
-        rvf_body.append('}')
-        return "\n".join(rvf_body)
-
     def _generate_replay_init_funcs(self):
         rif_body = []
         rif_body.append('void xglFuncs::init_funcs(void * handle)\n{\n    m_libHandle = handle;')
@@ -2452,918 +1434,197 @@
         if t.strip('*').replace('const ', '') in remap_list and n not in param_exclude_list:
             if '*' in t:
                 if 'const ' not in t:
-                    return 'remap(*pPacket->%s)' % (n)
+                    return 'm_objMapper.remap(*pPacket->%s)' % (n)
                 else: # TODO : Don't remap array ptrs?
                     return 'pPacket->%s' % (n)
-            return 'remap(pPacket->%s)' % (n)
+            return 'm_objMapper.remap(pPacket->%s)' % (n)
         return 'pPacket->%s' % (n)
 
     def _gen_replay_enum_gpus(self):
         ieg_body = []
-        ieg_body.append('            if (!m_display->m_initedXGL)')
-        ieg_body.append('            {')
-        ieg_body.append('                uint32_t gpuCount;')
-        ieg_body.append('                XGL_PHYSICAL_GPU gpus[XGL_MAX_PHYSICAL_GPUS];')
-        ieg_body.append('                uint32_t maxGpus = (pPacket->maxGpus < XGL_MAX_PHYSICAL_GPUS) ? pPacket->maxGpus : XGL_MAX_PHYSICAL_GPUS;')
-        ieg_body.append('                replayResult = m_xglFuncs.real_xglEnumerateGpus(remap(pPacket->instance), maxGpus, &gpuCount, &gpus[0]);')
-        ieg_body.append('                CHECK_RETURN_VALUE(xglEnumerateGpus);')
-        ieg_body.append('                //TODO handle different number of gpus in trace versus replay')
-        ieg_body.append('                if (gpuCount != *(pPacket->pGpuCount))')
-        ieg_body.append('                {')
-        ieg_body.append('                    glv_LogWarn("number of gpus mismatched in replay %u versus trace %u\\n", gpuCount, *(pPacket->pGpuCount));')
-        ieg_body.append('                }')
-        ieg_body.append('                else if (gpuCount == 0)')
-        ieg_body.append('                {')
-        ieg_body.append('                     glv_LogError("xglEnumerateGpus number of gpus is zero\\n");')
-        ieg_body.append('                }')
-        ieg_body.append('                else')
-        ieg_body.append('                {')
-        ieg_body.append('                    glv_LogInfo("Enumerated %d GPUs in the system\\n", gpuCount);')
-        ieg_body.append('                }')
-        ieg_body.append('                // TODO handle enumeration results in a different order from trace to replay')
-        ieg_body.append('                for (uint32_t i = 0; i < gpuCount; i++)')
-        ieg_body.append('                {')
-        ieg_body.append('                    if (pPacket->pGpus)')
-        ieg_body.append('                        add_to_map(&(pPacket->pGpus[i]), &(gpus[i]));')
-        ieg_body.append('                }')
-        ieg_body.append('            }')
+        ieg_body.append('            returnValue = manually_handle_xglEnumerateGpus(pPacket);')
         return "\n".join(ieg_body)
 
     def _gen_replay_get_gpu_info(self):
         ggi_body = []
-        ggi_body.append('            if (!m_display->m_initedXGL)')
-        ggi_body.append('            {')
-        ggi_body.append('                switch (pPacket->infoType) {')
-        ggi_body.append('                case XGL_INFO_TYPE_PHYSICAL_GPU_PROPERTIES:')
-        ggi_body.append('                {')
-        ggi_body.append('                    XGL_PHYSICAL_GPU_PROPERTIES gpuProps;')
-        ggi_body.append('                    size_t dataSize = sizeof(XGL_PHYSICAL_GPU_PROPERTIES);')
-        ggi_body.append('                    replayResult = m_xglFuncs.real_xglGetGpuInfo(remap(pPacket->gpu), pPacket->infoType, &dataSize,')
-        ggi_body.append('                                    (pPacket->pData == NULL) ? NULL : &gpuProps);')
-        ggi_body.append('                    if (pPacket->pData != NULL)')
-        ggi_body.append('                    {')
-        ggi_body.append('                        glv_LogInfo("Replay Gpu Properties\\n");')
-        ggi_body.append('                        glv_LogInfo("Vendor ID %x, Device ID %x, name %s\\n",gpuProps.vendorId, gpuProps.deviceId, gpuProps.gpuName);')
-        ggi_body.append('                        glv_LogInfo("API version %u, Driver version %u, gpu Type %u\\n",gpuProps.apiVersion, gpuProps.driverVersion, gpuProps.gpuType);')
-        ggi_body.append('                    }')
-        ggi_body.append('                    break;')
-        ggi_body.append('                }')
-        ggi_body.append('                case XGL_INFO_TYPE_PHYSICAL_GPU_PERFORMANCE:')
-        ggi_body.append('                {')
-        ggi_body.append('                    XGL_PHYSICAL_GPU_PERFORMANCE gpuPerfs;')
-        ggi_body.append('                    size_t dataSize = sizeof(XGL_PHYSICAL_GPU_PERFORMANCE);')
-        ggi_body.append('                    replayResult = m_xglFuncs.real_xglGetGpuInfo(remap(pPacket->gpu), pPacket->infoType, &dataSize,')
-        ggi_body.append('                                    (pPacket->pData == NULL) ? NULL : &gpuPerfs);')
-        ggi_body.append('                    if (pPacket->pData != NULL)')
-        ggi_body.append('                    {')
-        ggi_body.append('                        glv_LogInfo("Replay Gpu Performance\\n");')
-        ggi_body.append('                        glv_LogInfo("Max GPU clock %f, max shader ALUs/clock %f, max texel fetches/clock %f\\n",gpuPerfs.maxGpuClock, gpuPerfs.aluPerClock, gpuPerfs.texPerClock);')
-        ggi_body.append('                        glv_LogInfo("Max primitives/clock %f, Max pixels/clock %f\\n",gpuPerfs.primsPerClock, gpuPerfs.pixelsPerClock);')
-        ggi_body.append('                    }')
-        ggi_body.append('                    break;')
-        ggi_body.append('                }')
-        ggi_body.append('                case XGL_INFO_TYPE_PHYSICAL_GPU_QUEUE_PROPERTIES:')
-        ggi_body.append('                {')
-        ggi_body.append('                    XGL_PHYSICAL_GPU_QUEUE_PROPERTIES *pGpuQueue, *pQ;')
-        ggi_body.append('                    size_t dataSize = sizeof(XGL_PHYSICAL_GPU_QUEUE_PROPERTIES);')
-        ggi_body.append('                    size_t numQueues = 1;')
-        ggi_body.append('                    assert(pPacket->pDataSize);')
-        ggi_body.append('                    if ((*(pPacket->pDataSize) % dataSize) != 0)')
-        ggi_body.append('                        glv_LogWarn("xglGetGpuInfo() for GPU_QUEUE_PROPERTIES not an integral data size assuming 1\\n");')
-        ggi_body.append('                    else')
-        ggi_body.append('                        numQueues = *(pPacket->pDataSize) / dataSize;')
-        ggi_body.append('                    dataSize = numQueues * dataSize;')
-        ggi_body.append('                    pQ = static_cast < XGL_PHYSICAL_GPU_QUEUE_PROPERTIES *> (glv_malloc(dataSize));')
-        ggi_body.append('                    pGpuQueue = pQ;')
-        ggi_body.append('                    replayResult = m_xglFuncs.real_xglGetGpuInfo(remap(pPacket->gpu), pPacket->infoType, &dataSize,')
-        ggi_body.append('                                    (pPacket->pData == NULL) ? NULL : pGpuQueue);')
-        ggi_body.append('                    if (pPacket->pData != NULL)')
-        ggi_body.append('                    {')
-        ggi_body.append('                        for (unsigned int i = 0; i < numQueues; i++)')
-        ggi_body.append('                        {')
-        ggi_body.append('                            glv_LogInfo("Replay Gpu Queue Property for index %d, flags %u\\n", i, pGpuQueue->queueFlags);')
-        ggi_body.append('                            glv_LogInfo("Max available count %u, max atomic counters %u, supports timestamps %u\\n",pGpuQueue->queueCount, pGpuQueue->maxAtomicCounters, pGpuQueue->supportsTimestamps);')
-        ggi_body.append('                            pGpuQueue++;')
-        ggi_body.append('                        }')
-        ggi_body.append('                    }')
-        ggi_body.append('                    glv_free(pQ);')
-        ggi_body.append('                    break;')
-        ggi_body.append('                }')
-        ggi_body.append('                default:')
-        ggi_body.append('                {')
-        ggi_body.append('                    size_t size = 0;')
-        ggi_body.append('                    void* pData = NULL;')
-        ggi_body.append('                    if (pPacket->pData != NULL && pPacket->pDataSize != NULL)')
-        ggi_body.append('                    {')
-        ggi_body.append('                        size = *pPacket->pDataSize;')
-        ggi_body.append('                        pData = glv_malloc(*pPacket->pDataSize);')
-        ggi_body.append('                    }')
-        ggi_body.append('                    replayResult = m_xglFuncs.real_xglGetGpuInfo(remap(pPacket->gpu), pPacket->infoType, &size, pData);')
-        ggi_body.append('                    if (replayResult == XGL_SUCCESS)')
-        ggi_body.append('                    {')
-        ggi_body.append('                        if (size != *pPacket->pDataSize && pData != NULL)')
-        ggi_body.append('                        {')
-        ggi_body.append('                            glv_LogWarn("xglGetGpuInfo returned a differing data size: replay (%d bytes) vs trace (%d bytes)\\n", size, *pPacket->pDataSize);')
-        ggi_body.append('                        }')
-        ggi_body.append('                        else if (pData != NULL && memcmp(pData, pPacket->pData, size) != 0)')
-        ggi_body.append('                        {')
-        ggi_body.append('                            glv_LogWarn("xglGetGpuInfo returned differing data contents than the trace file contained.\\n");')
-        ggi_body.append('                        }')
-        ggi_body.append('                    }')
-        ggi_body.append('                    glv_free(pData);')
-        ggi_body.append('                    break;')
-        ggi_body.append('                }')
-        ggi_body.append('                };')
-        ggi_body.append('                CHECK_RETURN_VALUE(xglGetGpuInfo);')
-        ggi_body.append('            }')
+        ggi_body.append('            returnValue = manually_handle_xglGetGpuInfo(pPacket);')
         return "\n".join(ggi_body)
 
     def _gen_replay_create_device(self):
         cd_body = []
-        cd_body.append('            if (!m_display->m_initedXGL)')
-        cd_body.append('            {')
-        cd_body.append('                XGL_DEVICE device;')
-        cd_body.append('                if (g_xglReplaySettings.debugLevel > 0)')
-        cd_body.append('                {')
-        cd_body.append('                    XGL_DEVICE_CREATE_INFO cInfo, *ci, *pCreateInfoSaved;')
-        cd_body.append('                    unsigned int numLayers = 0;')
-        cd_body.append('                    char ** layersStr = get_enableLayers_list(&numLayers);')
-        cd_body.append('                    apply_layerSettings_overrides();')
-        cd_body.append('                    XGL_LAYER_CREATE_INFO layerInfo;')
-        cd_body.append('                    pCreateInfoSaved = (XGL_DEVICE_CREATE_INFO *) pPacket->pCreateInfo;')
-        cd_body.append('                    ci = (XGL_DEVICE_CREATE_INFO *) pPacket->pCreateInfo;')
-
-        cd_body.append('                    if (layersStr != NULL && numLayers > 0)')
-        cd_body.append('                    {')
-        cd_body.append('                        while (ci->pNext != NULL)')
-        cd_body.append('                            ci = (XGL_DEVICE_CREATE_INFO *) ci->pNext;')
-        cd_body.append('                        ci->pNext = &layerInfo;')
-        cd_body.append('                        layerInfo.sType = XGL_STRUCTURE_TYPE_LAYER_CREATE_INFO;')
-        cd_body.append('                        layerInfo.pNext = 0;')
-        cd_body.append('                        layerInfo.layerCount = numLayers;')
-        cd_body.append('                        layerInfo.ppActiveLayerNames = layersStr;')
-        cd_body.append('                    }')
-
-        cd_body.append('                    memcpy(&cInfo, pPacket->pCreateInfo, sizeof(XGL_DEVICE_CREATE_INFO));')
-        cd_body.append('                    cInfo.flags = pPacket->pCreateInfo->flags | XGL_DEVICE_CREATE_VALIDATION_BIT;')
-        cd_body.append('                    cInfo.maxValidationLevel = (XGL_VALIDATION_LEVEL)((g_xglReplaySettings.debugLevel <= 4) ? (unsigned int) XGL_VALIDATION_LEVEL_0 + g_xglReplaySettings.debugLevel : (unsigned int) XGL_VALIDATION_LEVEL_0);')
-        cd_body.append('                    pPacket->pCreateInfo = &cInfo;')
-        cd_body.append('                    replayResult = m_xglFuncs.real_xglCreateDevice(remap(pPacket->gpu), pPacket->pCreateInfo, &device);')
-        cd_body.append('                    // restore the packet for next replay')
-        cd_body.append('                    ci->pNext = NULL;')
-        cd_body.append('                    pPacket->pCreateInfo = pCreateInfoSaved;')
-        cd_body.append('                    release_enableLayer_list(layersStr);')
-        cd_body.append('                    if (xglDbgRegisterMsgCallback(g_fpDbgMsgCallback, NULL) != XGL_SUCCESS)')
-        cd_body.append('                        glv_LogError("Failed to register xgl callback for replayer error handling\\n");')
-        cd_body.append('#if !defined(_WIN32)')
-        cd_body.append('                    m_pDSDump = (DRAW_STATE_DUMP_DOT_FILE) m_xglFuncs.real_xglGetProcAddr(remap(pPacket->gpu), "drawStateDumpDotFile");')
-        cd_body.append('                    m_pCBDump = (DRAW_STATE_DUMP_COMMAND_BUFFER_DOT_FILE) m_xglFuncs.real_xglGetProcAddr(remap(pPacket->gpu), "drawStateDumpCommandBufferDotFile");')
-        cd_body.append('#endif')
-        cd_body.append('                }')
-        cd_body.append('                else ')
-        cd_body.append('                    replayResult = m_xglFuncs.real_xglCreateDevice(remap(pPacket->gpu), pPacket->pCreateInfo, &device);')
-        cd_body.append('                CHECK_RETURN_VALUE(xglCreateDevice);')
-        cd_body.append('                if (replayResult == XGL_SUCCESS)')
-        cd_body.append('                {')
-        cd_body.append('                    add_to_map(pPacket->pDevice, &device);')
-        cd_body.append('                }')
-        cd_body.append('            }')
+        cd_body.append('            returnValue = manually_handle_xglCreateDevice(pPacket);')
         return "\n".join(cd_body)
 
     def _gen_replay_get_extension_support(self):
         ges_body = []
-        ges_body.append('            if (!m_display->m_initedXGL) {')
-        ges_body.append('                replayResult = m_xglFuncs.real_xglGetExtensionSupport(remap(pPacket->gpu), pPacket->pExtName);')
-        ges_body.append('                CHECK_RETURN_VALUE(xglGetExtensionSupport);')
-        ges_body.append('                if (replayResult == XGL_SUCCESS) {')
-        ges_body.append('                    for (unsigned int ext = 0; ext < sizeof(g_extensions) / sizeof(g_extensions[0]); ext++)')
-        ges_body.append('                    {')
-        ges_body.append('                        if (!strncmp(g_extensions[ext], pPacket->pExtName, strlen(g_extensions[ext]))) {')
-        ges_body.append('                            bool extInList = false;')
-        ges_body.append('                            for (unsigned int j = 0; j < m_display->m_extensions.size(); ++j) {')
-        ges_body.append('                                if (!strncmp(m_display->m_extensions[j], g_extensions[ext], strlen(g_extensions[ext])))')
-        ges_body.append('                                    extInList = true;')
-        ges_body.append('                                break;')
-        ges_body.append('                            }')
-        ges_body.append('                            if (!extInList)')
-        ges_body.append('                                m_display->m_extensions.push_back((char *) g_extensions[ext]);')
-        ges_body.append('                            break;')
-        ges_body.append('                        }')
-        ges_body.append('                    }')
-        ges_body.append('                }')
-        ges_body.append('            }')
+        ges_body.append('            returnValue = manually_handle_xglGetExtensionSupport(pPacket);')
         return "\n".join(ges_body)
 
     def _gen_replay_queue_submit(self):
         qs_body = []
-        qs_body.append('            XGL_CMD_BUFFER *remappedBuffers = NULL;')
-        qs_body.append('            if (pPacket->pCmdBuffers != NULL)')
-        qs_body.append('            {')
-        qs_body.append('                remappedBuffers = GLV_NEW_ARRAY( XGL_CMD_BUFFER, pPacket->cmdBufferCount);')
-        qs_body.append('                for (uint32_t i = 0; i < pPacket->cmdBufferCount; i++)')
-        qs_body.append('                {')
-        qs_body.append('                    *(remappedBuffers + i) = remap(*(pPacket->pCmdBuffers + i));')
-        qs_body.append('                }')
-        qs_body.append('            }')
-        qs_body.append('            XGL_MEMORY_REF* memRefs = NULL;')
-        qs_body.append('            if (pPacket->pMemRefs != NULL)')
-        qs_body.append('            {')
-        qs_body.append('                memRefs = GLV_NEW_ARRAY(XGL_MEMORY_REF, pPacket->memRefCount);')
-        qs_body.append('                memcpy(memRefs, pPacket->pMemRefs, sizeof(XGL_MEMORY_REF) * pPacket->memRefCount);')
-        qs_body.append('                for (uint32_t i = 0; i < pPacket->memRefCount; i++)')
-        qs_body.append('                {')
-        qs_body.append('                    memRefs[i].mem = remap(pPacket->pMemRefs[i].mem);')
-        qs_body.append('                }')
-        qs_body.append('            }')
-        qs_body.append('            replayResult = m_xglFuncs.real_xglQueueSubmit(remap(pPacket->queue), pPacket->cmdBufferCount, remappedBuffers, pPacket->memRefCount,')
-        qs_body.append('                memRefs, remap(pPacket->fence));')
-        qs_body.append('            GLV_DELETE(remappedBuffers);')
-        qs_body.append('            GLV_DELETE(memRefs);')
+        qs_body.append('            returnValue = manually_handle_xglQueueSubmit(pPacket);')
         return "\n".join(qs_body)
 
     def _gen_replay_get_object_info(self):
         goi_body = []
-        goi_body.append('            size_t size = 0;')
-        goi_body.append('            void* pData = NULL;')
-        goi_body.append('            if (pPacket->pData != NULL && pPacket->pDataSize != NULL)')
-        goi_body.append('            {')
-        goi_body.append('                size = *pPacket->pDataSize;')
-        goi_body.append('                pData = glv_malloc(*pPacket->pDataSize);')
-        goi_body.append('                memcpy(pData, pPacket->pData, *pPacket->pDataSize);')
-        goi_body.append('            }')
-        goi_body.append('            // TODO only search for object once rather than at remap() and init_objMemXXX()')
-        goi_body.append('            replayResult = m_xglFuncs.real_xglGetObjectInfo(remap(pPacket->object), pPacket->infoType, &size, pData);')
-        goi_body.append('            if (replayResult == XGL_SUCCESS)')
-        goi_body.append('            {')
-        goi_body.append('                if (size != *pPacket->pDataSize && pData != NULL)')
-        goi_body.append('                {')
-        goi_body.append('                    glv_LogWarn("xglGetObjectInfo returned a differing data size: replay (%d bytes) vs trace (%d bytes)\\n", size, *pPacket->pDataSize);')
-        goi_body.append('                } else if (pData != NULL)')
-        goi_body.append('                {')
-        goi_body.append('                    switch (pPacket->infoType)')
-        goi_body.append('                    {')
-        goi_body.append('                        case XGL_INFO_TYPE_MEMORY_ALLOCATION_COUNT:')
-        goi_body.append('                        {')
-        goi_body.append('                            uint32_t traceCount = *((uint32_t *) pPacket->pData);')
-        goi_body.append('                            uint32_t replayCount = *((uint32_t *) pData);')
-        goi_body.append('                            if (traceCount != replayCount)')
-        goi_body.append('                                glv_LogWarn("xglGetObjectInfo(INFO_TYPE_MEMORY_ALLOCATION_COUNT) mismatch: trace count %u, replay count %u\\n", traceCount, replayCount);')
-        goi_body.append('                            if (m_adjustForGPU)')
-        goi_body.append('                                init_objMemCount(pPacket->object, replayCount);')
-        goi_body.append('                            break;')
-        goi_body.append('                        }')
-        goi_body.append('                        case XGL_INFO_TYPE_MEMORY_REQUIREMENTS:')
-        goi_body.append('                        {')
-        goi_body.append('                            XGL_MEMORY_REQUIREMENTS *traceReqs = (XGL_MEMORY_REQUIREMENTS *) pPacket->pData;')
-        goi_body.append('                            XGL_MEMORY_REQUIREMENTS *replayReqs = (XGL_MEMORY_REQUIREMENTS *) pData;')
-        goi_body.append('                            unsigned int num = size / sizeof(XGL_MEMORY_REQUIREMENTS);')
-        goi_body.append('                            for (unsigned int i = 0; i < num; i++)')
-        goi_body.append('                            {')
-        goi_body.append('                                if (traceReqs->size != replayReqs->size)')
-        goi_body.append('                                    glv_LogWarn("xglGetObjectInfo(INFO_TYPE_MEMORY_REQUIREMENTS) mismatch: trace size %u, replay size %u\\n", traceReqs->size, replayReqs->size);')
-        goi_body.append('                                if (traceReqs->alignment != replayReqs->alignment)')
-        goi_body.append('                                    glv_LogWarn("xglGetObjectInfo(INFO_TYPE_MEMORY_REQUIREMENTS) mismatch: trace alignment %u, replay aligmnent %u\\n", traceReqs->alignment, replayReqs->alignment);')
-        goi_body.append('                                if (traceReqs->granularity != replayReqs->granularity)')
-        goi_body.append('                                    glv_LogWarn("xglGetObjectInfo(INFO_TYPE_MEMORY_REQUIREMENTS) mismatch: trace granularity %u, replay granularity %u\\n", traceReqs->granularity, replayReqs->granularity);')
-        goi_body.append('                                if (traceReqs->memProps != replayReqs->memProps)')
-        goi_body.append('                                    glv_LogWarn("xglGetObjectInfo(INFO_TYPE_MEMORY_REQUIREMENTS) mismatch: trace memProps %u, replay memProps %u\\n", traceReqs->memProps, replayReqs->memProps);')
-        goi_body.append('                                if (traceReqs->memType != replayReqs->memType)')
-        goi_body.append('                                    glv_LogWarn("xglGetObjectInfo(INFO_TYPE_MEMORY_REQUIREMENTS) mismatch: trace memType %u, replay memType %u\\n", traceReqs->memType, replayReqs->memType);')
-        goi_body.append('                                traceReqs++;')
-        goi_body.append('                                replayReqs++;')
-        goi_body.append('                            }')
-        goi_body.append('                            if (m_adjustForGPU)')
-        goi_body.append('                                init_objMemReqs(pPacket->object, replayReqs - num, num);')
-        goi_body.append('                            break;')
-        goi_body.append('                        }')
-        goi_body.append('                        default:')
-        goi_body.append('                            if (memcmp(pData, pPacket->pData, size) != 0)')
-        goi_body.append('                                glv_LogWarn("xglGetObjectInfo() mismatch on *pData: between trace and replay *pDataSize %u\\n", size);')
-        goi_body.append('                    }')
-        goi_body.append('                }')
-        goi_body.append('            }')
-        goi_body.append('            glv_free(pData);')
+        goi_body.append('            returnValue = manually_handle_xglGetObjectInfo(pPacket);')
         return "\n".join(goi_body)
 
     def _gen_replay_get_format_info(self):
         gfi_body = []
-        gfi_body.append('            size_t size = 0;')
-        gfi_body.append('            void* pData = NULL;')
-        gfi_body.append('            if (pPacket->pData != NULL && pPacket->pDataSize != NULL)')
-        gfi_body.append('            {')
-        gfi_body.append('                size = *pPacket->pDataSize;')
-        gfi_body.append('                pData = glv_malloc(*pPacket->pDataSize);')
-        gfi_body.append('            }')
-        gfi_body.append('            replayResult = m_xglFuncs.real_xglGetFormatInfo(remap(pPacket->device), pPacket->format, pPacket->infoType, &size, pData);')
-        gfi_body.append('            if (replayResult == XGL_SUCCESS)')
-        gfi_body.append('            {')
-        gfi_body.append('                if (size != *pPacket->pDataSize && pData != NULL)')
-        gfi_body.append('                {')
-        gfi_body.append('                    glv_LogWarn("xglGetFormatInfo returned a differing data size: replay (%d bytes) vs trace (%d bytes)\\n", size, *pPacket->pDataSize);')
-        gfi_body.append('                }')
-        gfi_body.append('                else if (pData != NULL && memcmp(pData, pPacket->pData, size) != 0)')
-        gfi_body.append('                {')
-        gfi_body.append('                    glv_LogWarn("xglGetFormatInfo returned differing data contents than the trace file contained.\\n");')
-        gfi_body.append('                }')
-        gfi_body.append('            }')
-        gfi_body.append('            glv_free(pData);')
+        gfi_body.append('            returnValue = manually_handle_xglGetFormatInfo(pPacket);')
         return "\n".join(gfi_body)
 
     def _gen_replay_create_image(self):
         ci_body = []
-        ci_body.append('            struct imageObj local_imageObj;')
-        ci_body.append('            replayResult = m_xglFuncs.real_xglCreateImage(remap(pPacket->device), pPacket->pCreateInfo, &local_imageObj.replayImage);')
+        ci_body.append('            imageObj local_imageObj;')
+        ci_body.append('            replayResult = m_xglFuncs.real_xglCreateImage(m_objMapper.remap(pPacket->device), pPacket->pCreateInfo, &local_imageObj.replayImage);')
         ci_body.append('            if (replayResult == XGL_SUCCESS)')
         ci_body.append('            {')
-        ci_body.append('                add_to_map(pPacket->pImage, &local_imageObj);')
+        ci_body.append('                m_objMapper.add_to_map(pPacket->pImage, &local_imageObj);')
         ci_body.append('            }')
         return "\n".join(ci_body)
 
     def _gen_replay_create_buffer(self):
         cb_body = []
-        cb_body.append('            struct bufferObj local_bufferObj;')
-        cb_body.append('            replayResult = m_xglFuncs.real_xglCreateBuffer(remap(pPacket->device), pPacket->pCreateInfo, &local_bufferObj.replayBuffer);')
+        cb_body.append('            bufferObj local_bufferObj;')
+        cb_body.append('            replayResult = m_xglFuncs.real_xglCreateBuffer(m_objMapper.remap(pPacket->device), pPacket->pCreateInfo, &local_bufferObj.replayBuffer);')
         cb_body.append('            if (replayResult == XGL_SUCCESS)')
         cb_body.append('            {')
-        cb_body.append('                add_to_map(pPacket->pBuffer, &local_bufferObj);')
+        cb_body.append('                m_objMapper.add_to_map(pPacket->pBuffer, &local_bufferObj);')
         cb_body.append('            }')
         return "\n".join(cb_body)
 
     def _gen_replay_get_image_subresource_info(self):
         isi_body = []
-        isi_body.append('            size_t size = 0;')
-        isi_body.append('            void* pData = NULL;')
-        isi_body.append('            if (pPacket->pData != NULL && pPacket->pDataSize != NULL)')
-        isi_body.append('            {')
-        isi_body.append('                size = *pPacket->pDataSize;')
-        isi_body.append('                pData = glv_malloc(*pPacket->pDataSize);')
-        isi_body.append('            }')
-        isi_body.append('            replayResult = m_xglFuncs.real_xglGetImageSubresourceInfo(remap(pPacket->image), pPacket->pSubresource, pPacket->infoType, &size, pData);')
-        isi_body.append('            if (replayResult == XGL_SUCCESS)')
-        isi_body.append('            {')
-        isi_body.append('                if (size != *pPacket->pDataSize && pData != NULL)')
-        isi_body.append('                {')
-        isi_body.append('                    glv_LogWarn("xglGetImageSubresourceInfo returned a differing data size: replay (%d bytes) vs trace (%d bytes)\\n", size, *pPacket->pDataSize);')
-        isi_body.append('                }')
-        isi_body.append('                else if (pData != NULL && memcmp(pData, pPacket->pData, size) != 0)')
-        isi_body.append('                {')
-        isi_body.append('                    glv_LogWarn("xglGetImageSubresourceInfo returned differing data contents than the trace file contained.\\n");')
-        isi_body.append('                }')
-        isi_body.append('            }')
-        isi_body.append('            glv_free(pData);')
+        isi_body.append('            returnValue = manually_handle_xglGetImageSubresourceInfo(pPacket);')
         return "\n".join(isi_body)
 
     def _gen_replay_update_descriptors(self):
         ud_body = []
-        # We have to remap handles internal to the structures so save the handles prior to remap and then restore
-        # Rather than doing a deep memcpy of the entire struct and fixing any intermediate pointers, do save and restores via STL queue
-        ud_body.append('            XGL_UPDATE_SAMPLERS* pUpdateChain = (XGL_UPDATE_SAMPLERS*)pPacket->pUpdateChain;')
-        ud_body.append('            std::queue<XGL_SAMPLER> saveSamplers;')
-        ud_body.append('            std::queue<XGL_BUFFER_VIEW> saveBufferViews;')
-        ud_body.append('            std::queue<XGL_IMAGE_VIEW> saveImageViews;')
-        ud_body.append('            std::queue<XGL_DESCRIPTOR_SET> saveDescSets;')
-        ud_body.append('            while (pUpdateChain) {')
-        ud_body.append('                switch(pUpdateChain->sType)')
-        ud_body.append('                {')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_SAMPLERS:')
-        ud_body.append('                        for (uint32_t i = 0; i < ((XGL_UPDATE_SAMPLERS*)pUpdateChain)->count; i++) {')
-        ud_body.append('                            XGL_SAMPLER* pLocalSampler = (XGL_SAMPLER*) &((XGL_UPDATE_SAMPLERS*)pUpdateChain)->pSamplers[i];')
-        ud_body.append('                            saveSamplers.push(*pLocalSampler);')
-        ud_body.append('                            *pLocalSampler = remap(((XGL_UPDATE_SAMPLERS*)pUpdateChain)->pSamplers[i]);')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_SAMPLER_TEXTURES:')
-        ud_body.append('                    {')
-        ud_body.append('                        XGL_UPDATE_SAMPLER_TEXTURES *pUST = (XGL_UPDATE_SAMPLER_TEXTURES *) pUpdateChain;')
-        ud_body.append('                        for (uint32_t i = 0; i < pUST->count; i++) {')
-        ud_body.append('                            XGL_SAMPLER *pLocalSampler = (XGL_SAMPLER *) &pUST->pSamplerImageViews[i].pSampler;')
-        ud_body.append('                            saveSamplers.push(*pLocalSampler);')
-        ud_body.append('                            *pLocalSampler = remap(pUST->pSamplerImageViews[i].pSampler);')
-        ud_body.append('                            XGL_IMAGE_VIEW *pLocalView = (XGL_IMAGE_VIEW *) &pUST->pSamplerImageViews[i].pImageView->view;')
-        ud_body.append('                            saveImageViews.push(*pLocalView);')
-        ud_body.append('                            *pLocalView = remap(pUST->pSamplerImageViews[i].pImageView->view);')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    }')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_IMAGES:')
-        ud_body.append('                    {')
-        ud_body.append('                        XGL_UPDATE_IMAGES *pUI = (XGL_UPDATE_IMAGES*) pUpdateChain;')
-        ud_body.append('                        for (uint32_t i = 0; i < pUI->count; i++) {')
-        ud_body.append('                            XGL_IMAGE_VIEW* pLocalView = (XGL_IMAGE_VIEW*) &pUI->pImageViews[i]->view;')
-        ud_body.append('                            saveImageViews.push(*pLocalView);')
-        ud_body.append('                            *pLocalView = remap(pUI->pImageViews[i]->view);')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    }')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_BUFFERS:')
-        ud_body.append('                    {')
-        ud_body.append('                        XGL_UPDATE_BUFFERS *pUB = (XGL_UPDATE_BUFFERS *) pUpdateChain;')
-        ud_body.append('                        for (uint32_t i = 0; i < pUB->count; i++) {')
-        ud_body.append('                            XGL_BUFFER_VIEW* pLocalView = (XGL_BUFFER_VIEW*) &pUB->pBufferViews[i]->view;')
-        ud_body.append('                            saveBufferViews.push(*pLocalView);')
-        ud_body.append('                            *pLocalView = remap(pUB->pBufferViews[i]->view);')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    }')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_AS_COPY:')
-        ud_body.append('                        saveDescSets.push(((XGL_UPDATE_AS_COPY*)pUpdateChain)->descriptorSet);')
-        ud_body.append('                        ((XGL_UPDATE_AS_COPY*)pUpdateChain)->descriptorSet = remap(((XGL_UPDATE_AS_COPY*)pUpdateChain)->descriptorSet);')
-        ud_body.append('                        break;')
-        ud_body.append('                    default:')
-        ud_body.append('                        assert(0);')
-        ud_body.append('                        break;')
-        ud_body.append('                }')
-        ud_body.append('                pUpdateChain = (XGL_UPDATE_SAMPLERS*) pUpdateChain->pNext;')
-        ud_body.append('            }')
-        ud_body.append('            m_xglFuncs.real_xglUpdateDescriptors(remap(pPacket->descriptorSet), pPacket->pUpdateChain);')
-        ud_body.append('            pUpdateChain = (XGL_UPDATE_SAMPLERS*) pPacket->pUpdateChain;')
-        ud_body.append('            while (pUpdateChain) {')
-        ud_body.append('                switch(pUpdateChain->sType)')
-        ud_body.append('                {')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_SAMPLERS:')
-        ud_body.append('                        for (uint32_t i = 0; i < ((XGL_UPDATE_SAMPLERS*)pUpdateChain)->count; i++) {')
-        ud_body.append('                            XGL_SAMPLER* pLocalSampler = (XGL_SAMPLER*) &((XGL_UPDATE_SAMPLERS*)pUpdateChain)->pSamplers[i];')
-        ud_body.append('                            *pLocalSampler = saveSamplers.front();')
-        ud_body.append('                            saveSamplers.pop();')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_SAMPLER_TEXTURES:')
-        ud_body.append('                    {')
-        ud_body.append('                        XGL_UPDATE_SAMPLER_TEXTURES *pUST = (XGL_UPDATE_SAMPLER_TEXTURES *) pUpdateChain;')
-        ud_body.append('                        for (uint32_t i = 0; i < pUST->count; i++) {')
-        ud_body.append('                            XGL_SAMPLER *plocalSampler = (XGL_SAMPLER *) &pUST->pSamplerImageViews[i].pSampler;')
-        ud_body.append('                            *plocalSampler = saveSamplers.front();')
-        ud_body.append('                            saveSamplers.pop();')
-        ud_body.append('                            XGL_IMAGE_VIEW *pLocalView = (XGL_IMAGE_VIEW *) &pUST->pSamplerImageViews[i].pImageView->view;')
-        ud_body.append('                            *pLocalView = saveImageViews.front();')
-        ud_body.append('                            saveImageViews.pop();')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    }')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_IMAGES:')
-        ud_body.append('                    {')
-        ud_body.append('                        XGL_UPDATE_IMAGES *pUI = (XGL_UPDATE_IMAGES*) pUpdateChain;')
-        ud_body.append('                        for (uint32_t i = 0; i < pUI->count; i++) {')
-        ud_body.append('                            XGL_IMAGE_VIEW* pLocalView = (XGL_IMAGE_VIEW*) &pUI->pImageViews[i]->view;')
-        ud_body.append('                            *pLocalView = saveImageViews.front();')
-        ud_body.append('                            saveImageViews.pop();')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    }')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_BUFFERS:')
-        ud_body.append('                    {')
-        ud_body.append('                        XGL_UPDATE_BUFFERS *pUB = (XGL_UPDATE_BUFFERS *) pUpdateChain;')
-        ud_body.append('                        for (uint32_t i = 0; i < pUB->count; i++) {')
-        ud_body.append('                            XGL_BUFFER_VIEW* pLocalView = (XGL_BUFFER_VIEW*) &pUB->pBufferViews[i]->view;')
-        ud_body.append('                            *pLocalView = saveBufferViews.front();')
-        ud_body.append('                            saveBufferViews.pop();')
-        ud_body.append('                        }')
-        ud_body.append('                        break;')
-        ud_body.append('                    }')
-        ud_body.append('                    case XGL_STRUCTURE_TYPE_UPDATE_AS_COPY:')
-        ud_body.append('                        ((XGL_UPDATE_AS_COPY*)pUpdateChain)->descriptorSet = saveDescSets.front();')
-        ud_body.append('                        saveDescSets.pop();')
-        ud_body.append('                        //pFreeMe = (XGL_UPDATE_SAMPLERS*)pLocalUpdateChain;')
-        ud_body.append('                        //pLocalUpdateChain = (void*)((XGL_UPDATE_SAMPLERS*)pLocalUpdateChain)->pNext;')
-        ud_body.append('                        //free(pFreeMe);')
-        ud_body.append('                        break;')
-        ud_body.append('                    default:')
-        ud_body.append('                        assert(0);')
-        ud_body.append('                        break;')
-        ud_body.append('                }')
-        ud_body.append('                pUpdateChain = (XGL_UPDATE_SAMPLERS*) pUpdateChain->pNext;')
-        ud_body.append('            }')
+        ud_body.append('            returnValue = manually_handle_xglUpdateDescriptors(pPacket);')
         return "\n".join(ud_body)
 
     def _gen_replay_create_descriptor_set_layout(self):
         cdsl_body = []
-        cdsl_body.append('            XGL_SAMPLER saveSampler;')
-        cdsl_body.append('            if (pPacket->pSetLayoutInfoList != NULL) {')
-        cdsl_body.append('                XGL_SAMPLER *pSampler = (XGL_SAMPLER *) &pPacket->pSetLayoutInfoList->immutableSampler;')
-        cdsl_body.append('                saveSampler = pPacket->pSetLayoutInfoList->immutableSampler;')
-        cdsl_body.append('                *pSampler = remap(saveSampler);')
-        cdsl_body.append('            }')
-        cdsl_body.append('            XGL_DESCRIPTOR_SET_LAYOUT setLayout;')
-        cdsl_body.append('            replayResult = m_xglFuncs.real_xglCreateDescriptorSetLayout(remap(pPacket->device), pPacket->stageFlags, pPacket->pSetBindPoints, remap(pPacket->priorSetLayout), pPacket->pSetLayoutInfoList, &setLayout);')
-        cdsl_body.append('            if (replayResult == XGL_SUCCESS)')
-        cdsl_body.append('            {')
-        cdsl_body.append('                add_to_map(pPacket->pSetLayout, &setLayout);')
-        cdsl_body.append('            }')
-        cdsl_body.append('            if (pPacket->pSetLayoutInfoList != NULL) {')
-        cdsl_body.append('                XGL_SAMPLER *pSampler = (XGL_SAMPLER *) &pPacket->pSetLayoutInfoList->immutableSampler;')
-        cdsl_body.append('                *pSampler = saveSampler;')
-        cdsl_body.append('            }')
+        cdsl_body.append('            returnValue = manually_handle_xglCreateDescriptorSetLayout(pPacket);')
         return "\n".join(cdsl_body)
 
     def _gen_replay_create_graphics_pipeline(self):
         cgp_body = []
-        cgp_body.append('            XGL_GRAPHICS_PIPELINE_CREATE_INFO createInfo;')
-        cgp_body.append('            struct shaderPair saveShader[10];')
-        cgp_body.append('            unsigned int idx = 0;')
-        cgp_body.append('            memcpy(&createInfo, pPacket->pCreateInfo, sizeof(XGL_GRAPHICS_PIPELINE_CREATE_INFO));')
-        cgp_body.append('            createInfo.lastSetLayout = remap(createInfo.lastSetLayout);')
-        cgp_body.append('            // Cast to shader type, as those are of primariy interest and all structs in LL have same header w/ sType & pNext')
-        cgp_body.append('            XGL_PIPELINE_SHADER_STAGE_CREATE_INFO* pPacketNext = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*)pPacket->pCreateInfo->pNext;')
-        cgp_body.append('            XGL_PIPELINE_SHADER_STAGE_CREATE_INFO* pNext = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*)createInfo.pNext;')
-        cgp_body.append('            while (XGL_NULL_HANDLE != pPacketNext)')
-        cgp_body.append('            {')
-        cgp_body.append('                if (XGL_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO == pNext->sType)')
-        cgp_body.append('                {')
-        cgp_body.append('                    saveShader[idx].val = pNext->shader.shader;')
-        cgp_body.append('                    saveShader[idx++].addr = &(pNext->shader.shader);')
-        cgp_body.append('                    pNext->shader.shader = remap(pPacketNext->shader.shader);')
-        cgp_body.append('                }')
-        cgp_body.append('                pPacketNext = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*)pPacketNext->pNext;')
-        cgp_body.append('                pNext = (XGL_PIPELINE_SHADER_STAGE_CREATE_INFO*)pNext->pNext;')
-        cgp_body.append('            }')
-        cgp_body.append('            XGL_PIPELINE pipeline;')
-        cgp_body.append('            replayResult = m_xglFuncs.real_xglCreateGraphicsPipeline(remap(pPacket->device), &createInfo, &pipeline);')
-        cgp_body.append('            if (replayResult == XGL_SUCCESS)')
-        cgp_body.append('            {')
-        cgp_body.append('                add_to_map(pPacket->pPipeline, &pipeline);')
-        cgp_body.append('            }')
-        cgp_body.append('            for (unsigned int i = 0; i < idx; i++)')
-        cgp_body.append('                *(saveShader[i].addr) = saveShader[i].val;')
+        cgp_body.append('            returnValue = manually_handle_xglCreateGraphicsPipeline(pPacket);')
         return "\n".join(cgp_body)
 
     def _gen_replay_cmd_wait_events(self):
         cwe_body = []
-        cwe_body.append('            XGL_EVENT saveEvent[100];')
-        cwe_body.append('            uint32_t idx, numRemapBuf=0, numRemapImg=0;')
-        cwe_body.append('            assert(pPacket->pWaitInfo && pPacket->pWaitInfo->eventCount <= 100);')
-        cwe_body.append('            for (idx = 0; idx < pPacket->pWaitInfo->eventCount; idx++)')
-        cwe_body.append('            {')
-        cwe_body.append('                XGL_EVENT *pEvent = (XGL_EVENT *) &(pPacket->pWaitInfo->pEvents[idx]);')
-        cwe_body.append('                saveEvent[idx] = pPacket->pWaitInfo->pEvents[idx];')
-        cwe_body.append('                *pEvent = remap(pPacket->pWaitInfo->pEvents[idx]);')
-        cwe_body.append('            }')
-        cwe_body.append('')
-        cwe_body.append('            XGL_BUFFER saveBuf[100];')
-        cwe_body.append('            XGL_IMAGE saveImg[100];')
-        cwe_body.append('            for (idx = 0; idx < pPacket->pWaitInfo->memBarrierCount; idx++)')
-        cwe_body.append('            {')
-        cwe_body.append('                XGL_MEMORY_BARRIER *pNext = (XGL_MEMORY_BARRIER *) pPacket->pWaitInfo->ppMemBarriers[idx];')
-        cwe_body.append('                assert(pNext);')
-        cwe_body.append('                if (pNext->sType == XGL_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER) {')
-        cwe_body.append('                    XGL_BUFFER_MEMORY_BARRIER *pNextBuf = (XGL_BUFFER_MEMORY_BARRIER *) pPacket->pWaitInfo->ppMemBarriers[idx];')
-        cwe_body.append('                    assert(numRemapBuf < 100);')
-        cwe_body.append('                    saveBuf[numRemapBuf++] = pNextBuf->buffer;')
-        cwe_body.append('                    pNextBuf->buffer = remap(pNextBuf->buffer);')
-        cwe_body.append('                } else if (pNext->sType == XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER) {')
-        cwe_body.append('                    XGL_IMAGE_MEMORY_BARRIER *pNextImg = (XGL_IMAGE_MEMORY_BARRIER *) pPacket->pWaitInfo->ppMemBarriers[idx];')
-        cwe_body.append('                    assert(numRemapImg < 100);')
-        cwe_body.append('                    saveImg[numRemapImg++] = pNextImg->image;')
-        cwe_body.append('                    pNextImg->image = remap(pNextImg->image);')
-        cwe_body.append('                }')
-        cwe_body.append('            }')
-        cwe_body.append('            m_xglFuncs.real_xglCmdWaitEvents(remap(pPacket->cmdBuffer), pPacket->pWaitInfo);')
-        cwe_body.append('            for (idx = 0; idx < pPacket->pWaitInfo->memBarrierCount; idx++) {')
-        cwe_body.append('                XGL_MEMORY_BARRIER *pNext = (XGL_MEMORY_BARRIER *) pPacket->pWaitInfo->ppMemBarriers[idx];')
-        cwe_body.append('                if (pNext->sType == XGL_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER) {')
-        cwe_body.append('                    XGL_BUFFER_MEMORY_BARRIER *pNextBuf = (XGL_BUFFER_MEMORY_BARRIER *) pPacket->pWaitInfo->ppMemBarriers[idx];')
-        cwe_body.append('                    pNextBuf->buffer = saveBuf[idx];')
-        cwe_body.append('                } else if (pNext->sType == XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER) {')
-        cwe_body.append('                    XGL_IMAGE_MEMORY_BARRIER *pNextImg = (XGL_IMAGE_MEMORY_BARRIER *) pPacket->pWaitInfo->ppMemBarriers[idx];')
-        cwe_body.append('                    pNextImg->image = saveImg[idx];')
-        cwe_body.append('                }')
-        cwe_body.append('            }')
-        cwe_body.append('            for (idx = 0; idx < pPacket->pWaitInfo->eventCount; idx++) {')
-        cwe_body.append('                XGL_EVENT *pEvent = (XGL_EVENT *) &(pPacket->pWaitInfo->pEvents[idx]);')
-        cwe_body.append('                *pEvent = saveEvent[idx];')
-        cwe_body.append('            }')
+        cwe_body.append('            returnValue = manually_handle_xglCmdWaitEvents(pPacket);')
         return "\n".join(cwe_body)
 
     def _gen_replay_cmd_pipeline_barrier(self):
         cpb_body = []
-        cpb_body.append('            uint32_t idx, numRemapBuf=0, numRemapImg=0;')
-        cpb_body.append('            XGL_BUFFER saveBuf[100];')
-        cpb_body.append('            XGL_IMAGE saveImg[100];')
-        cpb_body.append('            for (idx = 0; idx < pPacket->pBarrier->memBarrierCount; idx++)')
-        cpb_body.append('            {')
-        cpb_body.append('                XGL_MEMORY_BARRIER *pNext = (XGL_MEMORY_BARRIER *) pPacket->pBarrier->ppMemBarriers[idx];')
-        cpb_body.append('                assert(pNext);')
-        cpb_body.append('                if (pNext->sType == XGL_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER) {')
-        cpb_body.append('                    XGL_BUFFER_MEMORY_BARRIER *pNextBuf = (XGL_BUFFER_MEMORY_BARRIER *) pPacket->pBarrier->ppMemBarriers[idx];')
-        cpb_body.append('                    assert(numRemapBuf < 100);')
-        cpb_body.append('                    saveBuf[numRemapBuf++] = pNextBuf->buffer;')
-        cpb_body.append('                    pNextBuf->buffer = remap(pNextBuf->buffer);')
-        cpb_body.append('                } else if (pNext->sType == XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER) {')
-        cpb_body.append('                    XGL_IMAGE_MEMORY_BARRIER *pNextImg = (XGL_IMAGE_MEMORY_BARRIER *) pPacket->pBarrier->ppMemBarriers[idx];')
-        cpb_body.append('                    assert(numRemapImg < 100);')
-        cpb_body.append('                    saveImg[numRemapImg++] = pNextImg->image;')
-        cpb_body.append('                    pNextImg->image = remap(pNextImg->image);')
-        cpb_body.append('                }')
-        cpb_body.append('            }')
-        cpb_body.append('            m_xglFuncs.real_xglCmdPipelineBarrier(remap(pPacket->cmdBuffer), pPacket->pBarrier);')
-        cpb_body.append('            for (idx = 0; idx < pPacket->pBarrier->memBarrierCount; idx++) {')
-        cpb_body.append('                XGL_MEMORY_BARRIER *pNext = (XGL_MEMORY_BARRIER *) pPacket->pBarrier->ppMemBarriers[idx];')
-        cpb_body.append('                if (pNext->sType == XGL_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER) {')
-        cpb_body.append('                    XGL_BUFFER_MEMORY_BARRIER *pNextBuf = (XGL_BUFFER_MEMORY_BARRIER *) pPacket->pBarrier->ppMemBarriers[idx];')
-        cpb_body.append('                    pNextBuf->buffer = saveBuf[idx];')
-        cpb_body.append('                } else if (pNext->sType == XGL_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER) {')
-        cpb_body.append('                    XGL_IMAGE_MEMORY_BARRIER *pNextImg = (XGL_IMAGE_MEMORY_BARRIER *) pPacket->pBarrier->ppMemBarriers[idx];')
-        cpb_body.append('                    pNextImg->image = saveImg[idx];')
-        cpb_body.append('                }')
-        cpb_body.append('            }')
+        cpb_body.append('            returnValue = manually_handle_xglCmdPipelineBarrier(pPacket);')
         return "\n".join(cpb_body)
 
     def _gen_replay_create_framebuffer(self):
         cf_body = []
-        cf_body.append('            XGL_FRAMEBUFFER_CREATE_INFO *pInfo = (XGL_FRAMEBUFFER_CREATE_INFO *) pPacket->pCreateInfo;')
-        cf_body.append('            XGL_COLOR_ATTACHMENT_BIND_INFO *pColorAttachments, *pSavedColor = (XGL_COLOR_ATTACHMENT_BIND_INFO*)pInfo->pColorAttachments;')
-        cf_body.append('            bool allocatedColorAttachments = false;')
-        cf_body.append('            if (pSavedColor != NULL)')
-        cf_body.append('            {')
-        cf_body.append('                allocatedColorAttachments = true;')
-        cf_body.append('                pColorAttachments = GLV_NEW_ARRAY(XGL_COLOR_ATTACHMENT_BIND_INFO, pInfo->colorAttachmentCount);')
-        cf_body.append('                memcpy(pColorAttachments, pSavedColor, sizeof(XGL_COLOR_ATTACHMENT_BIND_INFO) * pInfo->colorAttachmentCount);')
-        cf_body.append('                for (uint32_t i = 0; i < pInfo->colorAttachmentCount; i++)')
-        cf_body.append('                {')
-        cf_body.append('                    pColorAttachments[i].view = remap(pInfo->pColorAttachments[i].view);')
-        cf_body.append('                }')
-        cf_body.append('                pInfo->pColorAttachments = pColorAttachments;')
-        cf_body.append('            }')
-        cf_body.append('            // remap depth stencil target')
-        cf_body.append('            const XGL_DEPTH_STENCIL_BIND_INFO *pSavedDS = pInfo->pDepthStencilAttachment;')
-        cf_body.append('            XGL_DEPTH_STENCIL_BIND_INFO depthTarget;')
-        cf_body.append('            if (pSavedDS != NULL)')
-        cf_body.append('            {')
-        cf_body.append('                memcpy(&depthTarget, pSavedDS, sizeof(XGL_DEPTH_STENCIL_BIND_INFO));')
-        cf_body.append('                depthTarget.view = remap(pSavedDS->view);')
-        cf_body.append('                pInfo->pDepthStencilAttachment = &depthTarget;')
-        cf_body.append('            }')
-        cf_body.append('            XGL_FRAMEBUFFER local_framebuffer;')
-        cf_body.append('            replayResult = m_xglFuncs.real_xglCreateFramebuffer(remap(pPacket->device), pPacket->pCreateInfo, &local_framebuffer);')
-        cf_body.append('            pInfo->pColorAttachments = pSavedColor;')
-        cf_body.append('            pInfo->pDepthStencilAttachment = pSavedDS;')
-        cf_body.append('            if (replayResult == XGL_SUCCESS)')
-        cf_body.append('            {')
-        cf_body.append('                add_to_map(pPacket->pFramebuffer, &local_framebuffer);')
-        cf_body.append('            }')
-        cf_body.append('            if (allocatedColorAttachments)')
-        cf_body.append('            {')
-        cf_body.append('                GLV_DELETE((void*)pColorAttachments);')
-        cf_body.append('            }')
+        cf_body.append('            returnValue = manually_handle_xglCreateFramebuffer(pPacket);')
         return "\n".join(cf_body)
 
     def _gen_replay_create_renderpass(self):
         cr_body = []
-        cr_body.append('            XGL_RENDER_PASS_CREATE_INFO *pInfo = (XGL_RENDER_PASS_CREATE_INFO *) pPacket->pCreateInfo;')
-        cr_body.append('            // remap framebuffer')
-        cr_body.append('            XGL_FRAMEBUFFER savedFB = 0, *pFB = &(pInfo->framebuffer);')
-        cr_body.append('            if (*pFB != NULL)')
-        cr_body.append('            {')
-        cr_body.append('                savedFB = pInfo->framebuffer;')
-        cr_body.append('                *pFB = remap(pInfo->framebuffer);')
-        cr_body.append('            }')
-        cr_body.append('            XGL_RENDER_PASS local_renderpass;')
-        cr_body.append('            replayResult = m_xglFuncs.real_xglCreateRenderPass(remap(pPacket->device), pPacket->pCreateInfo, &local_renderpass);')
-        cr_body.append('            if (*pFB != NULL)')
-        cr_body.append('                pInfo->framebuffer = savedFB;')
-        cr_body.append('            if (replayResult == XGL_SUCCESS)')
-        cr_body.append('            {')
-        cr_body.append('                add_to_map(pPacket->pRenderPass, &local_renderpass);')
-        cr_body.append('            }')
+        cr_body.append('            returnValue = manually_handle_xglCreateRenderPass(pPacket);')
         return "\n".join(cr_body)
 
     def _gen_replay_begin_command_buffer(self):
         bcb_body = []
-        bcb_body.append('            XGL_CMD_BUFFER_BEGIN_INFO* pInfo = (XGL_CMD_BUFFER_BEGIN_INFO*)pPacket->pBeginInfo;')
-        bcb_body.append('            // assume only zero or one graphics_begin_info in the chain')
-        bcb_body.append('            XGL_RENDER_PASS savedRP, *pRP;')
-        bcb_body.append('            XGL_CMD_BUFFER_GRAPHICS_BEGIN_INFO *pGInfo = NULL;')
-        bcb_body.append('            while (pInfo != NULL)')
-        bcb_body.append('            {')
-        bcb_body.append('')
-        bcb_body.append('                if (pInfo->sType == XGL_STRUCTURE_TYPE_CMD_BUFFER_GRAPHICS_BEGIN_INFO)')
-        bcb_body.append('                {')
-        bcb_body.append('                    pGInfo = (XGL_CMD_BUFFER_GRAPHICS_BEGIN_INFO *) pInfo;')
-        bcb_body.append('                    savedRP = pGInfo->renderPass;')
-        bcb_body.append('                    pRP = &(pGInfo->renderPass);')
-        bcb_body.append('                    *pRP = remap(pGInfo->renderPass);')
-        bcb_body.append('                    break;')
-        bcb_body.append('                }')
-        bcb_body.append('                pInfo = (XGL_CMD_BUFFER_BEGIN_INFO*) pInfo->pNext;')
-        bcb_body.append('            }')
-        bcb_body.append('            replayResult = m_xglFuncs.real_xglBeginCommandBuffer(remap(pPacket->cmdBuffer), pPacket->pBeginInfo);')
-        bcb_body.append('            if (pGInfo != NULL)')
-        bcb_body.append('                pGInfo->renderPass = savedRP;')
+        bcb_body.append('            returnValue = manually_handle_xglBeginCommandBuffer(pPacket);')
         return "\n".join(bcb_body)
 
     def _gen_replay_store_pipeline(self):
         sp_body = []
-        sp_body.append('            size_t size = 0;')
-        sp_body.append('            void* pData = NULL;')
-        sp_body.append('            if (pPacket->pData != NULL && pPacket->pDataSize != NULL)')
-        sp_body.append('            {')
-        sp_body.append('                size = *pPacket->pDataSize;')
-        sp_body.append('                pData = glv_malloc(*pPacket->pDataSize);')
-        sp_body.append('            }')
-        sp_body.append('            replayResult = m_xglFuncs.real_xglStorePipeline(remap(pPacket->pipeline), &size, pData);')
-        sp_body.append('            if (replayResult == XGL_SUCCESS)')
-        sp_body.append('            {')
-        sp_body.append('                if (size != *pPacket->pDataSize && pData != NULL)')
-        sp_body.append('                {')
-        sp_body.append('                    glv_LogWarn("xglStorePipeline returned a differing data size: replay (%d bytes) vs trace (%d bytes)\\n", size, *pPacket->pDataSize);')
-        sp_body.append('                }')
-        sp_body.append('                else if (pData != NULL && memcmp(pData, pPacket->pData, size) != 0)')
-        sp_body.append('                {')
-        sp_body.append('                    glv_LogWarn("xglStorePipeline returned differing data contents than the trace file contained.\\n");')
-        sp_body.append('                }')
-        sp_body.append('            }')
-        sp_body.append('            glv_free(pData);')
+        sp_body.append('            returnValue = manually_handle_xglStorePipeline(pPacket);')
         return "\n".join(sp_body)
 
     def _gen_replay_get_multi_gpu_compatibility(self):
         gmgc_body = []
-        gmgc_body.append('            XGL_GPU_COMPATIBILITY_INFO cInfo;')
-        gmgc_body.append('            XGL_PHYSICAL_GPU handle0, handle1;')
-        gmgc_body.append('            handle0 = remap(pPacket->gpu0);')
-        gmgc_body.append('            handle1 = remap(pPacket->gpu1);')
-        gmgc_body.append('            replayResult = m_xglFuncs.real_xglGetMultiGpuCompatibility(handle0, handle1, &cInfo);')
+        gmgc_body.append('            returnValue = manually_handle_xglGetMultiGpuCompatibility(pPacket);')
         return "\n".join(gmgc_body)
 
     def _gen_replay_destroy_object(self):
         do_body = []
-        do_body.append('            XGL_OBJECT object = remap(pPacket->object);')
-        do_body.append('            if (object != XGL_NULL_HANDLE)')
-        do_body.append('                replayResult = m_xglFuncs.real_xglDestroyObject(object);')
-        do_body.append('            if (replayResult == XGL_SUCCESS)')
-        do_body.append('                rm_from_map(pPacket->object);')
+        do_body.append('            returnValue = manually_handle_xglDestroyObject(pPacket);')
         return "\n".join(do_body)
 
     def _gen_replay_wait_for_fences(self):
         wf_body = []
-        wf_body.append('            XGL_FENCE *pFence = GLV_NEW_ARRAY(XGL_FENCE, pPacket->fenceCount);')
-        wf_body.append('            for (uint32_t i = 0; i < pPacket->fenceCount; i++)')
-        wf_body.append('            {')
-        wf_body.append('                *(pFence + i) = remap(*(pPacket->pFences + i));')
-        wf_body.append('            }')
-        wf_body.append('            replayResult = m_xglFuncs.real_xglWaitForFences(remap(pPacket->device), pPacket->fenceCount, pFence, pPacket->waitAll, pPacket->timeout);')
-        wf_body.append('            GLV_DELETE(pFence);')
+        wf_body.append('            returnValue = manually_handle_xglWaitForFences(pPacket);')
         return "\n".join(wf_body)
 
     def _gen_replay_wsi_associate_connection(self):
         wac_body = []
-        wac_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        wac_body.append('            //associate with the replayers Wsi connection rather than tracers')
-        wac_body.append('            replayResult = m_xglFuncs.real_xglWsiX11AssociateConnection(remap(pPacket->gpu), &(m_display->m_WsiConnection));')
-        wac_body.append('#elif defined(WIN32)')
-        wac_body.append('            //TBD')
-        wac_body.append('            replayResult = XGL_SUCCESS;')
-        wac_body.append('#endif')
+        wac_body.append('            returnValue = manually_handle_xglWsiX11AssociateConnection(pPacket);')
         return "\n".join(wac_body)
 
     def _gen_replay_wsi_get_msc(self):
         wgm_body = []
-        wgm_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        wgm_body.append('            xcb_window_t window = m_display->m_XcbWindow;')
-        wgm_body.append('            replayResult = m_xglFuncs.real_xglWsiX11GetMSC(remap(pPacket->device), window, pPacket->crtc, pPacket->pMsc);')
-        wgm_body.append('#elif defined(WIN32)')
-        wgm_body.append('            //TBD')
-        wgm_body.append('            replayResult = XGL_SUCCESS;')
-        wgm_body.append('#else')
-        
-        wgm_body.append('#endif')
+        wgm_body.append('            returnValue = manually_handle_xglWsiX11GetMSC(pPacket);')
         return "\n".join(wgm_body)
 
     def _gen_replay_wsi_create_presentable_image(self):
         cpi_body = []
-        cpi_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        cpi_body.append('            struct imageObj local_imgObj;')
-        cpi_body.append('            struct gpuMemObj local_mem;')
-        cpi_body.append('            m_display->imageHeight.push_back(pPacket->pCreateInfo->extent.height);')
-        cpi_body.append('            m_display->imageWidth.push_back(pPacket->pCreateInfo->extent.width);')
-        cpi_body.append('            replayResult = m_xglFuncs.real_xglWsiX11CreatePresentableImage(remap(pPacket->device), pPacket->pCreateInfo, &local_imgObj.replayImage, &local_mem.replayGpuMem);')
-        cpi_body.append('            if (replayResult == XGL_SUCCESS)')
-        cpi_body.append('            {')
-        cpi_body.append('                if (pPacket->pImage != NULL)')
-        cpi_body.append('                    add_to_map(pPacket->pImage, &local_imgObj);')
-        cpi_body.append('                if(pPacket->pMem != NULL)')
-        cpi_body.append('                    add_to_map(pPacket->pMem, &local_mem);')
-        cpi_body.append('                m_display->imageHandles.push_back(local_imgObj.replayImage);')
-        cpi_body.append('                m_display->imageMemory.push_back(local_mem.replayGpuMem);')
-        cpi_body.append('            }')
-        cpi_body.append('#elif defined(WIN32)')
-        cpi_body.append('            //TBD')
-        cpi_body.append('            replayResult = XGL_SUCCESS;')
-        cpi_body.append('#endif')
+        cpi_body.append('            returnValue = manually_handle_xglWsiX11CreatePresentableImage(pPacket);')
         return "\n".join(cpi_body)
 
     def _gen_replay_wsi_queue_present(self):
         wqp_body = []
-        wqp_body.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
-        wqp_body.append('            XGL_WSI_X11_PRESENT_INFO pInfo;')
-        wqp_body.append('            std::vector<int>::iterator it;')
-        wqp_body.append('            memcpy(&pInfo, pPacket->pPresentInfo, sizeof(XGL_WSI_X11_PRESENT_INFO));')
-        wqp_body.append('            pInfo.srcImage = remap(pPacket->pPresentInfo->srcImage);')
-        wqp_body.append('            // use replayers Xcb window')
-        wqp_body.append('            pInfo.destWindow = m_display->m_XcbWindow;')
-        wqp_body.append('            replayResult = m_xglFuncs.real_xglWsiX11QueuePresent(remap(pPacket->queue), &pInfo, remap(pPacket->fence));')
-        wqp_body.append('            it = std::find(m_screenshotFrames.begin(), m_screenshotFrames.end(), m_display->m_frameNumber);')
-        wqp_body.append('            if (it != m_screenshotFrames.end())')
-        wqp_body.append('            {')
-        wqp_body.append('                for(unsigned int i=0; i<m_display->imageHandles.size(); i++)')
-        wqp_body.append('                {')
-        wqp_body.append('                    if (m_display->imageHandles[i] == pInfo.srcImage)')
-        wqp_body.append('                    {')
-        wqp_body.append('                        char frameName[32];')
-        wqp_body.append('                        sprintf(frameName, "%d",m_display->m_frameNumber);')
-        wqp_body.append('                        glvWritePPM(frameName, m_display->imageWidth[i], m_display->imageHeight[i],')
-        wqp_body.append('                            m_display->imageHandles[i], m_display->imageMemory[i], &m_xglFuncs);')
-        wqp_body.append('                        break;')
-        wqp_body.append('                    }')
-        wqp_body.append('                }')
-        wqp_body.append('            }')
-        wqp_body.append('#elif defined(WIN32)')
-        wqp_body.append('            //TBD')
-        wqp_body.append('            replayResult = XGL_SUCCESS;')
-        wqp_body.append('#endif')
-        wqp_body.append('            m_display->m_frameNumber++;')
+        wqp_body.append('            returnValue = manually_handle_xglWsiX11QueuePresent(pPacket);')
         return "\n".join(wqp_body)
 
     def _gen_replay_alloc_memory(self):
         am_body = []
-        am_body.append('            struct gpuMemObj local_mem;')
-        am_body.append('            if (!m_adjustForGPU)')
-        am_body.append('                replayResult = m_xglFuncs.real_xglAllocMemory(remap(pPacket->device), pPacket->pAllocInfo, &local_mem.replayGpuMem);')
-        am_body.append('            if (replayResult == XGL_SUCCESS || m_adjustForGPU)')
+        am_body.append('            gpuMemObj local_mem;')
+        am_body.append('            if (!m_objMapper.m_adjustForGPU)')
+        am_body.append('                replayResult = m_xglFuncs.real_xglAllocMemory(m_objMapper.remap(pPacket->device), pPacket->pAllocInfo, &local_mem.replayGpuMem);')
+        am_body.append('            if (replayResult == XGL_SUCCESS || m_objMapper.m_adjustForGPU)')
         am_body.append('            {')
         am_body.append('                local_mem.pGpuMem = new (gpuMemory);')
         am_body.append('                if (local_mem.pGpuMem)')
-        am_body.append('                    local_mem.pGpuMem->setAllocInfo(pPacket->pAllocInfo, m_adjustForGPU);')
-        am_body.append('                add_to_map(pPacket->pMem, &local_mem);')
+        am_body.append('                    local_mem.pGpuMem->setAllocInfo(pPacket->pAllocInfo, m_objMapper.m_adjustForGPU);')
+        am_body.append('                m_objMapper.add_to_map(pPacket->pMem, &local_mem);')
         am_body.append('            }')
         return "\n".join(am_body)
 
     def _gen_replay_free_memory(self):
         fm_body = []
-        fm_body.append('            struct gpuMemObj local_mem;')
-        fm_body.append('            local_mem = m_gpuMemorys.find(pPacket->mem)->second;')
-        fm_body.append('            // TODO how/when to free pendingAlloc that did not use and existing gpuMemObj')
-        fm_body.append('            replayResult = m_xglFuncs.real_xglFreeMemory(local_mem.replayGpuMem);')
-        fm_body.append('            if (replayResult == XGL_SUCCESS) ')
-        fm_body.append('            {')
-        fm_body.append('                delete local_mem.pGpuMem;')
-        fm_body.append('                rm_from_map(pPacket->mem);')
-        fm_body.append('            }')
+        fm_body.append('            returnValue = manually_handle_xglFreeMemory(pPacket);')
         return "\n".join(fm_body)
 
     def _gen_replay_map_memory(self):
         mm_body = []
-        mm_body.append('            struct gpuMemObj local_mem = m_gpuMemorys.find(pPacket->mem)->second;')
-        mm_body.append('            void* pData;')
-        mm_body.append('            if (!local_mem.pGpuMem->isPendingAlloc())')
-        mm_body.append('            {')
-        mm_body.append('                replayResult = m_xglFuncs.real_xglMapMemory(local_mem.replayGpuMem, pPacket->flags, &pData);')
-        mm_body.append('                if (replayResult == XGL_SUCCESS)')
-        mm_body.append('                {')
-        mm_body.append('                    if (local_mem.pGpuMem)')
-        mm_body.append('                        local_mem.pGpuMem->setMemoryMapRange(pData, 0, 0, false);')
-        mm_body.append('                }')
-        mm_body.append('            } else')
-        mm_body.append('            {')
-        mm_body.append('                if (local_mem.pGpuMem)')
-        mm_body.append('                        local_mem.pGpuMem->setMemoryMapRange(NULL, 0, 0, true);')
-        mm_body.append('            }')
+        mm_body.append('            returnValue = manually_handle_xglMapMemory(pPacket);')
         return "\n".join(mm_body)
         
     def _gen_replay_unmap_memory(self):
         um_body = []
-        um_body.append('            struct gpuMemObj local_mem = m_gpuMemorys.find(pPacket->mem)->second;')
-        um_body.append('            if (!local_mem.pGpuMem->isPendingAlloc())')
-        um_body.append('            {')
-        um_body.append('                if (local_mem.pGpuMem)')
-        um_body.append('                    local_mem.pGpuMem->copyMappingData(pPacket->pData);  // copies data from packet into memory buffer')
-        um_body.append('                replayResult = m_xglFuncs.real_xglUnmapMemory(local_mem.replayGpuMem);')
-        um_body.append('            } else')
-        um_body.append('            {')
-        um_body.append('                if (local_mem.pGpuMem)')
-        um_body.append('                {')
-        um_body.append('                    unsigned char *pBuf = (unsigned char *) glv_malloc(local_mem.pGpuMem->getMemoryMapSize());')
-        um_body.append('                    if (!pBuf)')
-        um_body.append('                        glv_LogError("vkUnmapMemory() malloc failed");')
-        um_body.append('                    local_mem.pGpuMem->setMemoryDataAddr(pBuf);')
-        um_body.append('                    local_mem.pGpuMem->copyMappingData(pPacket->pData);')
-        um_body.append('                }')
-        um_body.append('            }')
+        um_body.append('            returnValue = manually_handle_xglUnmapMemory(pPacket);')
         return "\n".join(um_body)
 
     def _gen_replay_pin_system_memory(self):
         psm_body = []
-        psm_body.append('            struct gpuMemObj local_mem;')
+        psm_body.append('            gpuMemObj local_mem;')
         psm_body.append('            /* TODO do we need to skip (make pending) this call for m_adjustForGPU */')
-        psm_body.append('            replayResult = m_xglFuncs.real_xglPinSystemMemory(remap(pPacket->device), pPacket->pSysMem, pPacket->memSize, &local_mem.replayGpuMem);')
+        psm_body.append('            replayResult = m_xglFuncs.real_xglPinSystemMemory(m_objMapper.remap(pPacket->device), pPacket->pSysMem, pPacket->memSize, &local_mem.replayGpuMem);')
         psm_body.append('            if (replayResult == XGL_SUCCESS)')
-        psm_body.append('                add_to_map(pPacket->pMem, &local_mem);')
+        psm_body.append('                m_objMapper.add_to_map(pPacket->pMem, &local_mem);')
         return "\n".join(psm_body)
 
+    # I don't think this function is being generated anymore (ie, it may have been removed from XGL)
     def _gen_replay_bind_dynamic_memory_view(self):
         bdmv_body = []
         bdmv_body.append('            XGL_MEMORY_VIEW_ATTACH_INFO memView;')
         bdmv_body.append('            memcpy(&memView, pPacket->pMemView, sizeof(XGL_MEMORY_VIEW_ATTACH_INFO));')
-        bdmv_body.append('            memView.mem = remap(pPacket->pMemView->mem);')
-        bdmv_body.append('            m_xglFuncs.real_xglCmdBindDynamicMemoryView(remap(pPacket->cmdBuffer), pPacket->pipelineBindPoint, &memView);')
+        bdmv_body.append('            memView.mem = m_objMapper.remap(pPacket->pMemView->mem);')
+        bdmv_body.append('            m_xglFuncs.real_xglCmdBindDynamicMemoryView(m_objMapper.remap(pPacket->cmdBuffer), pPacket->pipelineBindPoint, &memView);')
         return "\n".join(bdmv_body)
 
     # Generate main replay case statements where actual replay API call is dispatched based on input packet data
@@ -3403,7 +1664,11 @@
                             'CmdPipelineBarrier': self._gen_replay_cmd_pipeline_barrier}
         # TODO : Need to guard CreateInstance with "if (!m_display->m_initedXGL)" check
         # Despite returning a value, don't check these funcs b/c custom code includes check already
-        custom_check_ret_val = ['EnumerateGpus', 'GetGpuInfo', 'CreateDevice', 'GetExtensionSupport']
+        custom_check_ret_val = ['EnumerateGpus', 'GetGpuInfo', 'CreateDevice', 'GetExtensionSupport', 'QueueSubmit', 'GetObjectInfo',
+                                'GetFormatInfo', 'GetImageSubresourceInfo', 'CreateDescriptorSetLayout', 'CreateGraphicsPipeline',
+                                'CreateFramebuffer', 'CreateRenderPass', 'BeginCommandBuffer', 'StorePipeline', 'GetMultiGpuCompatibility',
+                                'DestroyObject', 'WaitForFences', 'FreeMemory', 'MapMemory', 'UnmapMemory',
+                                'WsiX11AssociateConnection', 'WsiX11GetMSC', 'WsiX11CreatePresentableImage', 'WsiX11QueuePresent']
         # multi-gpu Open funcs w/ list of local params to create
         custom_open_params = {'OpenSharedMemory': (-1,),
                               'OpenSharedQueueSemaphore': (-1,),
@@ -3416,7 +1681,6 @@
         # A couple funcs use do while loops
         do_while_dict = {'GetFenceStatus': 'replayResult != pPacket->result  && pPacket->result == XGL_SUCCESS', 'GetEventStatus': '(pPacket->result == XGL_EVENT_SET || pPacket->result == XGL_EVENT_RESET) && replayResult != pPacket->result'}
         rbody = []
-        rbody.append('#define CHECK_RETURN_VALUE(entrypoint) returnValue = handle_replay_errors(#entrypoint, replayResult, pPacket->result, returnValue);\n')
         rbody.append('glv_replay::GLV_REPLAY_RESULT xglReplay::replay(glv_trace_packet_header *packet)')
         rbody.append('{')
         rbody.append('    glv_replay::GLV_REPLAY_RESULT returnValue = glv_replay::GLV_REPLAY_SUCCESS;')
@@ -3446,16 +1710,16 @@
                     rbody.append('            XGL_DEVICE handle;')
                     for pidx in custom_open_params[proto.name]:
                         rbody.append('            %s local_%s;' % (proto.params[pidx].ty.replace('const ', '').strip('*'), proto.params[pidx].name))
-                    rbody.append('            handle = remap(pPacket->device);')
+                    rbody.append('            handle = m_objMapper.remap(pPacket->device);')
                 elif create_view:
                     rbody.append('            %s createInfo;' % (proto.params[1].ty.strip('*').replace('const ', '')))
                     rbody.append('            memcpy(&createInfo, pPacket->pCreateInfo, sizeof(%s));' % (proto.params[1].ty.strip('*').replace('const ', '')))
                     if 'CreateComputePipeline' == proto.name:
-                        rbody.append('            createInfo.cs.shader = remap(pPacket->pCreateInfo->cs.shader);')
+                        rbody.append('            createInfo.cs.shader = m_objMapper.remap(pPacket->pCreateInfo->cs.shader);')
                     elif 'CreateBufferView' == proto.name:
-                        rbody.append('            createInfo.buffer = remap(pPacket->pCreateInfo->buffer);')
+                        rbody.append('            createInfo.buffer = m_objMapper.remap(pPacket->pCreateInfo->buffer);')
                     else:
-                        rbody.append('            createInfo.image = remap(pPacket->pCreateInfo->image);')
+                        rbody.append('            createInfo.image = m_objMapper.remap(pPacket->pCreateInfo->image);')
                     rbody.append('            %s local_%s;' % (proto.params[-1].ty.strip('*').replace('const ', ''), proto.params[-1].name))
                 elif create_func: # Declare local var to store created handle into
                     rbody.append('            %s local_%s;' % (proto.params[-1].ty.strip('*').replace('const ', ''), proto.params[-1].name))
@@ -3465,14 +1729,14 @@
                         rbody.append('            assert(pPacket->count <= 100);')
                         rbody.append('            for (uint32_t i = 0; i < pPacket->count; i++)')
                         rbody.append('            {')
-                        rbody.append('                localDescSets[i] = remap(pPacket->%s[i]);' % (proto.params[-3].name))
+                        rbody.append('                localDescSets[i] = m_objMapper.remap(pPacket->%s[i]);' % (proto.params[-3].name))
                         rbody.append('            }')
                 elif proto.name == 'ClearDescriptorSets':
                     rbody.append('            XGL_DESCRIPTOR_SET localDescSets[100];')
                     rbody.append('            assert(pPacket->count <= 100);')
                     rbody.append('            for (uint32_t i = 0; i < pPacket->count; i++)')
                     rbody.append('            {')
-                    rbody.append('                localDescSets[i] = remap(pPacket->%s[i]);' % (proto.params[-1].name))
+                    rbody.append('                localDescSets[i] = m_objMapper.remap(pPacket->%s[i]);' % (proto.params[-1].name))
                     rbody.append('            }')
                 elif proto.name in do_while_dict:
                     rbody.append('            do {')
@@ -3501,7 +1765,7 @@
                 rr_string = '%s);' % rr_string[:-2]
                 if proto.name in custom_open_params:
                     rr_list = rr_string.split(', ')
-                    rr_list[0] = rr_list[0].replace('remap(pPacket->device)', 'handle')
+                    rr_list[0] = rr_list[0].replace('m_objMapper.remap(pPacket->device)', 'handle')
                     for pidx in custom_open_params[proto.name]:
                         rr_list[pidx] = '&local_%s' % proto.params[pidx].name
                     rr_string = ', '.join(rr_list)
@@ -3525,7 +1789,8 @@
                     rbody.append('            {')
                     rbody.append('                m_pCBDump = NULL;')
                     rbody.append('                m_pDSDump = NULL;')
-                    rbody.append('                rm_from_map(pPacket->device);')
+                    rbody.append('                m_pGlvSnapshotPrint = NULL;')
+                    rbody.append('                m_objMapper.rm_from_map(pPacket->device);')
                     rbody.append('                m_display->m_initedXGL = false;')
                     rbody.append('            }')
                 if 'DestroyInstance' in proto.name:
@@ -3533,19 +1798,21 @@
                     rbody.append('            {')
                     rbody.append('                // TODO need to handle multiple instances and only clearing maps within an instance.')
                     rbody.append('                // TODO this only works with a single instance used at any given time.')
-                    rbody.append('                clear_all_map_handles();')
+                    rbody.append('                m_objMapper.clear_all_map_handles();')
                     rbody.append('            }')
                 elif 'AllocDescriptorSets' in proto.name:
                     rbody.append('            if (replayResult == XGL_SUCCESS)')
                     rbody.append('            {')
                     rbody.append('                for (uint32_t i = 0; i < local_pCount; i++) {')
-                    rbody.append('                    add_to_map(&pPacket->%s[i], &local_%s[i]);' % (proto.params[-2].name, proto.params[-2].name))
+                    rbody.append('                    m_objMapper.add_to_map(&pPacket->%s[i], &local_%s[i]);' % (proto.params[-2].name, proto.params[-2].name))
                     rbody.append('                }')
                     rbody.append('            }')
                 elif create_func: # save handle mapping if create successful
                     rbody.append('            if (replayResult == XGL_SUCCESS)')
                     rbody.append('            {')
-                    rbody.append('                add_to_map(pPacket->%s, &local_%s);' % (proto.params[-1].name, proto.params[-1].name))
+                    rbody.append('                m_objMapper.add_to_map(pPacket->%s, &local_%s);' % (proto.params[-1].name, proto.params[-1].name))
+                    if 'AllocMemory' == proto.name:
+                        rbody.append('                m_objMapper.add_entry_to_mapData(local_%s, pPacket->pAllocInfo->allocationSize);' % (proto.params[-1].name))
                     rbody.append('            }')
                 elif proto.name in do_while_dict:
                     rbody[-1] = '    %s' % rbody[-1]
@@ -3584,7 +1851,8 @@
 
     def generate_body(self):
         body = [self._generate_trace_func_ptrs(),
-                self._generate_trace_func_protos()]
+                self._generate_trace_func_protos(),
+                self._generate_trace_real_func_ptr_protos()]
 
         return "\n".join(body)
 
@@ -3593,6 +1861,7 @@
         header_txt = []
         header_txt.append('#include "glv_platform.h"')
         header_txt.append('#include "glv_common.h"')
+        header_txt.append('#include "glvtrace_xgl_helpers.h"')
         header_txt.append('#include "glvtrace_xgl_xgl.h"')
         header_txt.append('#include "glvtrace_xgl_xgldbg.h"')
         header_txt.append('#include "glvtrace_xgl_xglwsix11ext.h"')
@@ -3611,7 +1880,6 @@
                 self._generate_attach_hooks(),
                 self._generate_detach_hooks(),
                 self._generate_init_funcs(),
-                self._generate_helper_funcs(),
                 self._generate_trace_funcs()]
 
         return "\n".join(body)
@@ -3772,20 +2040,13 @@
 
         return "\n".join(body)
 
-class GlaveReplayHeader(Subcommand):
+class GlaveReplayXglFuncPtrs(Subcommand):
     def generate_header(self):
         header_txt = []
         header_txt.append('#pragma once\n')
-        header_txt.append('#include <set>')
-        header_txt.append('#include <map>')
-        header_txt.append('#include <vector>')
-        header_txt.append('#include <string>')
         header_txt.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
         header_txt.append('#include <xcb/xcb.h>\n')
         header_txt.append('#endif')
-        header_txt.append('#include "glvreplay_window.h"')
-        header_txt.append('#include "glvreplay_factory.h"')
-        header_txt.append('#include "glv_trace_packet_identifiers.h"\n')
         header_txt.append('#include "xgl.h"')
         header_txt.append('#include "xglDbg.h"')
         header_txt.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
@@ -3793,26 +2054,42 @@
         header_txt.append('#else')
         header_txt.append('#include "xglWsiWinExt.h"')
         header_txt.append('#endif')
-        header_txt.append('#include "draw_state.h"')
+
+    def generate_body(self):
+        body = [self._generate_replay_func_ptrs()]
+        return "\n".join(body)
+
+class GlaveReplayObjMapperHeader(Subcommand):
+    def generate_header(self):
+        header_txt = []
+        header_txt.append('#pragma once\n')
+        header_txt.append('#include <set>')
+        header_txt.append('#include <map>')
+        header_txt.append('#include <vector>')
+        header_txt.append('#include <string>')
+        header_txt.append('#include "xgl.h"')
+        header_txt.append('#include "xglDbg.h"')
+        header_txt.append('#if defined(PLATFORM_LINUX) || defined(XCB_NVIDIA)')
+        header_txt.append('#include "xglWsiX11Ext.h"')
+        header_txt.append('#else')
+        header_txt.append('#include "xglWsiWinExt.h"')
+        header_txt.append('#endif')
         return "\n".join(header_txt)
 
     def generate_body(self):
-        body = [self._generate_replay_class_decls(),
-                self._generate_replay_func_ptrs(),
-                self._generate_replay_class()]
+        body = [self._generate_replay_objmapper_class()]
 
         return "\n".join(body)
 
 class GlaveReplayC(Subcommand):
     def generate_header(self):
         header_txt = []
-        header_txt.append('#include "glvreplay_xgl_replay.h"\n')
+        header_txt.append('#include "glvreplay_xgl_xglreplay.h"\n')
         header_txt.append('#include "glvreplay_xgl.h"\n')
-        header_txt.append('#include "glvreplay_xgl_write_ppm.h"\n')
         header_txt.append('#include "glvreplay_main.h"\n')
         header_txt.append('#include <algorithm>')
         header_txt.append('#include <queue>')
-        header_txt.append('glvreplay_settings *g_pReplaySettings;')
+        header_txt.append('\n')
         header_txt.append('extern "C" {')
         header_txt.append('#include "glv_vk_vk_structs.h"')
         header_txt.append('#include "glv_vk_vkdbg_structs.h"')
@@ -3821,30 +2098,11 @@
         header_txt.append('#include "xgl_enum_string_helper.h"\n}\n')
         header_txt.append('#define APP_NAME "glvreplay_xgl"')
         header_txt.append('#define IDI_ICON 101\n')
-        header_txt.append('static const char* g_extensions[] =')
-        header_txt.append('{')
-        header_txt.append('        "XGL_WSI_WINDOWS",')
-        header_txt.append('        "XGL_TIMER_QUEUE",')
-        header_txt.append('        "XGL_GPU_TIMESTAMP_CALIBRATION",')
-        header_txt.append('        "XGL_DMA_QUEUE",')
-        header_txt.append('        "XGL_COMMAND_BUFFER_CONTROL_FLOW",')
-        header_txt.append('        "XGL_COPY_OCCLUSION_QUERY_DATA",')
-        header_txt.append('        "XGL_ADVANCED_MULTISAMPLING",')
-        header_txt.append('        "XGL_BORDER_COLOR_PALETTE"')
-        header_txt.append('};')
+
         return "\n".join(header_txt)
 
     def generate_body(self):
-        body = [self._generate_replay_display_init_xgl(),
-                self._generate_replay_display_init(),
-                self._generate_replay_display_structors(),
-                self._generate_replay_display_window(),
-                self._generate_replay_objMemory_funcs(),
-                self._generate_replay_structors(),
-                self._generate_replay_init(),
-                self._generate_replay_errors(),
-                self._generate_replay_validation_funcs(),
-                self._generate_replay_init_funcs(),
+        body = [self._generate_replay_init_funcs(),
                 self._generate_replay()]
 
         return "\n".join(body)
@@ -3861,7 +2119,8 @@
             "glave-dbg-trace-h" : GlaveDbgHeader,
             "glave-dbg-trace-c" : GlaveDbgC,
             "glave-dbg-trace-structs" : GlaveDbgStructs,
-            "glave-replay-h" : GlaveReplayHeader,
+            "glave-replay-xgl-funcs" : GlaveReplayXglFuncPtrs,
+            "glave-replay-obj-mapper-h" : GlaveReplayObjMapperHeader,
             "glave-replay-c" : GlaveReplayC,
     }