| /* |
| * XGL |
| * |
| * Copyright (C) 2014 LunarG, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| #include <string.h> |
| #include <stdlib.h> |
| #include <assert.h> |
| #include <unordered_map> |
| #include "loader_platform.h" |
| #include "xgl_dispatch_table_helper.h" |
| #include "xglLayer.h" |
| // The following is #included again to catch certain OS-specific functions |
| // being used: |
| #include "loader_platform.h" |
| |
| static std::unordered_map<void *, XGL_LAYER_DISPATCH_TABLE *> tableMap; |
| |
| static XGL_LAYER_DISPATCH_TABLE * initLayerTable(const XGL_BASE_LAYER_OBJECT *gpuw) |
| { |
| XGL_LAYER_DISPATCH_TABLE *pTable; |
| |
| assert(gpuw); |
| std::unordered_map<void *, XGL_LAYER_DISPATCH_TABLE *>::const_iterator it = tableMap.find((void *) gpuw); |
| if (it == tableMap.end()) |
| { |
| pTable = new XGL_LAYER_DISPATCH_TABLE; |
| tableMap[(void *) gpuw] = pTable; |
| } else |
| { |
| return it->second; |
| } |
| |
| layer_initialize_dispatch_table(pTable, gpuw->pGPA, (XGL_PHYSICAL_GPU) gpuw->nextObject); |
| |
| return pTable; |
| } |
| |
| XGL_LAYER_EXPORT XGL_RESULT XGLAPI xglLayerExtension1(XGL_DEVICE device) |
| { |
| printf("In xglLayerExtension1() call w/ device: %p\n", (void*)device); |
| printf("xglLayerExtension1 returning SUCCESS\n"); |
| return XGL_SUCCESS; |
| } |
| |
| XGL_LAYER_EXPORT XGL_RESULT XGLAPI xglGetExtensionSupport(XGL_PHYSICAL_GPU gpu, const char* pExtName) |
| { |
| XGL_BASE_LAYER_OBJECT* gpuw = (XGL_BASE_LAYER_OBJECT *) gpu; |
| XGL_RESULT result; |
| XGL_LAYER_DISPATCH_TABLE* pTable = initLayerTable(gpuw); |
| |
| printf("At start of wrapped xglGetExtensionSupport() call w/ gpu: %p\n", (void*)gpu); |
| if (!strncmp(pExtName, "xglLayerExtension1", strlen("xglLayerExtension1"))) |
| result = XGL_SUCCESS; |
| else |
| result = pTable->GetExtensionSupport((XGL_PHYSICAL_GPU)gpuw->nextObject, pExtName); |
| printf("Completed wrapped xglGetExtensionSupport() call w/ gpu: %p\n", (void*)gpu); |
| return result; |
| } |
| |
| XGL_LAYER_EXPORT XGL_RESULT XGLAPI xglCreateDevice(XGL_PHYSICAL_GPU gpu, const XGL_DEVICE_CREATE_INFO* pCreateInfo, XGL_DEVICE* pDevice) |
| { |
| XGL_BASE_LAYER_OBJECT* gpuw = (XGL_BASE_LAYER_OBJECT *) gpu; |
| XGL_LAYER_DISPATCH_TABLE* pTable = initLayerTable(gpuw); |
| |
| printf("At start of wrapped xglCreateDevice() call w/ gpu: %p\n", (void*)gpu); |
| XGL_RESULT result = pTable->CreateDevice((XGL_PHYSICAL_GPU)gpuw->nextObject, pCreateInfo, pDevice); |
| // create a mapping for the device object into the dispatch table |
| tableMap.emplace(*pDevice, pTable); |
| printf("Completed wrapped xglCreateDevice() call w/ pDevice, Device %p: %p\n", (void*)pDevice, (void *) *pDevice); |
| return result; |
| } |
| XGL_LAYER_EXPORT XGL_RESULT XGLAPI xglGetFormatInfo(XGL_DEVICE device, XGL_FORMAT format, XGL_FORMAT_INFO_TYPE infoType, size_t* pDataSize, void* pData) |
| { |
| XGL_LAYER_DISPATCH_TABLE* pTable = tableMap[device]; |
| |
| printf("At start of wrapped xglGetFormatInfo() call w/ device: %p\n", (void*)device); |
| XGL_RESULT result = pTable->GetFormatInfo(device, format, infoType, pDataSize, pData); |
| printf("Completed wrapped xglGetFormatInfo() call w/ device: %p\n", (void*)device); |
| return result; |
| } |
| |
| XGL_LAYER_EXPORT XGL_RESULT XGLAPI xglEnumerateLayers(XGL_PHYSICAL_GPU gpu, size_t maxLayerCount, size_t maxStringSize, size_t* pOutLayerCount, char* const* pOutLayers, void* pReserved) |
| { |
| if (gpu != NULL) |
| { |
| XGL_BASE_LAYER_OBJECT* gpuw = (XGL_BASE_LAYER_OBJECT *) gpu; |
| XGL_LAYER_DISPATCH_TABLE* pTable = initLayerTable(gpuw); |
| |
| printf("At start of wrapped xglEnumerateLayers() call w/ gpu: %p\n", gpu); |
| XGL_RESULT result = pTable->EnumerateLayers((XGL_PHYSICAL_GPU)gpuw->nextObject, maxLayerCount, maxStringSize, pOutLayerCount, pOutLayers, pReserved); |
| return result; |
| } else |
| { |
| if (pOutLayerCount == NULL || pOutLayers == NULL || pOutLayers[0] == NULL || pReserved == NULL) |
| return XGL_ERROR_INVALID_POINTER; |
| |
| // Example of a layer that is only compatible with Intel's GPUs |
| XGL_BASE_LAYER_OBJECT* gpuw = (XGL_BASE_LAYER_OBJECT*) pReserved; |
| xglGetGpuInfoType fpGetGpuInfo; |
| XGL_PHYSICAL_GPU_PROPERTIES gpuProps; |
| size_t dataSize = sizeof(XGL_PHYSICAL_GPU_PROPERTIES); |
| fpGetGpuInfo = (xglGetGpuInfoType) gpuw->pGPA((XGL_PHYSICAL_GPU) gpuw->nextObject, "xglGetGpuInfo"); |
| fpGetGpuInfo((XGL_PHYSICAL_GPU) gpuw->nextObject, XGL_INFO_TYPE_PHYSICAL_GPU_PROPERTIES, &dataSize, &gpuProps); |
| if (gpuProps.vendorId == 0x8086) |
| { |
| *pOutLayerCount = 1; |
| strncpy((char *) pOutLayers[0], "Basic", maxStringSize); |
| } else |
| { |
| *pOutLayerCount = 0; |
| } |
| return XGL_SUCCESS; |
| } |
| } |
| |
| XGL_LAYER_EXPORT void * XGLAPI xglGetProcAddr(XGL_PHYSICAL_GPU gpu, const char* pName) |
| { |
| if (gpu == NULL) |
| return NULL; |
| |
| initLayerTable((const XGL_BASE_LAYER_OBJECT *) gpu); |
| |
| if (!strncmp("xglGetProcAddr", pName, sizeof("xglGetProcAddr"))) |
| return (void *) xglGetProcAddr; |
| else if (!strncmp("xglCreateDevice", pName, sizeof ("xglCreateDevice"))) |
| return (void *) xglCreateDevice; |
| else if (!strncmp("xglGetExtensionSupport", pName, sizeof ("xglGetExtensionSupport"))) |
| return (void *) xglGetExtensionSupport; |
| else if (!strncmp("xglEnumerateLayers", pName, sizeof ("xglEnumerateLayers"))) |
| return (void *) xglEnumerateLayers; |
| else if (!strncmp("xglGetFormatInfo", pName, sizeof ("xglGetFormatInfo"))) |
| return (void *) xglGetFormatInfo; |
| else if (!strncmp("xglLayerExtension1", pName, sizeof("xglLayerExtension1"))) |
| return (void *) xglLayerExtension1; |
| else { |
| XGL_BASE_LAYER_OBJECT* gpuw = (XGL_BASE_LAYER_OBJECT *) gpu; |
| if (gpuw->pGPA == NULL) |
| return NULL; |
| return gpuw->pGPA((XGL_PHYSICAL_GPU) gpuw->nextObject, pName); |
| } |
| } |