tools:Incorperate review feedback on glave screenshots

Move variables into display struct
Make width and height vectors
Change names from snapshot to screenshot
Fix bug when no screenshot frames specified
diff --git a/glave-generate.py b/glave-generate.py
index 671fc7d..62d0171 100755
--- a/glave-generate.py
+++ b/glave-generate.py
@@ -1742,6 +1742,10 @@
         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;')
@@ -1855,7 +1859,7 @@
         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_snapshotFrames;')
+        rc_body.append('    std::vector<int> m_screenshotFrames;')
         rc_body.append(self._map_decl('XGL_GPU_MEMORY', 'XGLAllocInfo', 'm_mapData'))
         # Custom code for 1-off memory mapping functions
         rc_body.append('    void add_entry_to_mapData(XGL_GPU_MEMORY handle, XGL_GPU_SIZE size)')
@@ -1954,7 +1958,7 @@
             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_snapshot_list(const char *list)')
+        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')
@@ -1967,7 +1971,7 @@
         rc_body.append('        if (comma == std::string::npos)')
         rc_body.append('            break;\n')
         rc_body.append('        start = comma + 1;\n')
-        rc_body.append('        m_snapshotFrames.push_back(atoi(word.c_str()));')
+        rc_body.append('        m_screenshotFrames.push_back(atoi(word.c_str()));')
         rc_body.append('    }')
         rc_body.append('}')
         rc_body.append('};')
@@ -2221,7 +2225,9 @@
         rs_body.append('xglReplay::xglReplay()')
         rs_body.append('{')
         rs_body.append('    m_display = new xglDisplay();')
-        rs_body.append('    process_snapshot_list(g_replaySettings.snapshotList);')
+        rs_body.append('    if (g_replaySettings.screenshotList) {')
+        rs_body.append('        process_screenshot_list(g_replaySettings.screenshotList);')
+        rs_body.append('    }')
         rs_body.append('}\n')
         rs_body.append('xglReplay::~xglReplay()')
         rs_body.append('{')
@@ -2944,8 +2950,8 @@
         cpi_body = []
         cpi_body.append('            XGL_IMAGE img;')
         cpi_body.append('            XGL_GPU_MEMORY mem;')
-        cpi_body.append('            imageHeight = pPacket->pCreateInfo->extent.height;')
-        cpi_body.append('            imageWidth = pPacket->pCreateInfo->extent.width;')
+        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, &img, &mem);')
         cpi_body.append('            if (replayResult == XGL_SUCCESS)')
         cpi_body.append('            {')
@@ -2953,8 +2959,8 @@
         cpi_body.append('                    add_to_map(pPacket->pImage, &img);')
         cpi_body.append('                if(pPacket->pMem != NULL)')
         cpi_body.append('                    add_to_map(pPacket->pMem, &mem);')
-        cpi_body.append('                imageHandles.push_back(img);')
-        cpi_body.append('                imageMemory.push_back(mem);')
+        cpi_body.append('                m_display->imageHandles.push_back(img);')
+        cpi_body.append('                m_display->imageMemory.push_back(mem);')
         cpi_body.append('            }')
         return "\n".join(cpi_body)
 
@@ -2967,16 +2973,17 @@
         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_snapshotFrames.begin(), m_snapshotFrames.end(), m_display->m_frameNumber);')
-        wqp_body.append('            if (it != m_snapshotFrames.end())')
+        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<imageHandles.size(); i++)')
+        wqp_body.append('                for(unsigned int i=0; i<m_display->imageHandles.size(); i++)')
         wqp_body.append('                {')
-        wqp_body.append('                    if (imageHandles[i] == pInfo.srcImage)')
+        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, imageWidth, imageHeight, imageHandles[i], imageMemory[i], &m_xglFuncs);')
+        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('                }')
@@ -3064,9 +3071,6 @@
         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('uint32_t imageWidth, imageHeight;')
-        rbody.append('std::vector<XGL_IMAGE> imageHandles;')
-        rbody.append('std::vector<XGL_GPU_MEMORY> imageMemory;')
         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;')