diff options
Diffstat (limited to 'intern/opensubdiv/opensubdiv_device_context_opencl.cc')
| -rw-r--r-- | intern/opensubdiv/opensubdiv_device_context_opencl.cc | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/intern/opensubdiv/opensubdiv_device_context_opencl.cc b/intern/opensubdiv/opensubdiv_device_context_opencl.cc deleted file mode 100644 index 7a10a278d16..00000000000 --- a/intern/opensubdiv/opensubdiv_device_context_opencl.cc +++ /dev/null @@ -1,250 +0,0 @@ -/* - * Adopted from OpenSubdiv with the following license: - * - * Copyright 2015 Pixar - * - * Licensed under the Apache License, Version 2.0 (the "Apache License") - * with the following modification; you may not use this file except in - * compliance with the Apache License and the following modification to it: - * Section 6. Trademarks. is deleted and replaced with: - * - * 6. Trademarks. This License does not grant permission to use the trade - * names, trademarks, service marks, or product names of the Licensor - * and its affiliates, except as required to comply with Section 4(c) of - * the License and to reproduce the content of the NOTICE file. - * - * You may obtain a copy of the Apache License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the Apache License with the above modification is - * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the Apache License for the specific - * language governing permissions and limitations under the Apache License. - */ - -#ifdef OPENSUBDIV_HAS_OPENCL - -#ifdef _MSC_VER -# include "iso646.h" -#endif - -#include "opensubdiv_device_context_opencl.h" - -#if defined(_WIN32) -# include <windows.h> -#elif defined(__APPLE__) -# include <OpenGL/OpenGL.h> -#else -# include <GL/glx.h> -#endif - -#include <cstdio> -#include <cstring> -#include <string> - -#define message(...) // fprintf(stderr, __VA_ARGS__) -#define error(...) fprintf(stderr, __VA_ARGS__) - -/* Returns the first found platform. */ -static cl_platform_id findPlatform() { - cl_uint numPlatforms; - cl_int ciErrNum = clGetPlatformIDs(0, NULL, &numPlatforms); - if (ciErrNum != CL_SUCCESS) { - error("Error %d in clGetPlatformIDs call.\n", ciErrNum); - return NULL; - } - if (numPlatforms == 0) { - error("No OpenCL platform found.\n"); - return NULL; - } - cl_platform_id *clPlatformIDs = new cl_platform_id[numPlatforms]; - ciErrNum = clGetPlatformIDs(numPlatforms, clPlatformIDs, NULL); - char chBuffer[1024]; - for (cl_uint i = 0; i < numPlatforms; ++i) { - ciErrNum = clGetPlatformInfo(clPlatformIDs[i], CL_PLATFORM_NAME, - 1024, chBuffer,NULL); - if (ciErrNum == CL_SUCCESS) { - cl_platform_id platformId = clPlatformIDs[i]; - delete[] clPlatformIDs; - return platformId; - } - } - delete[] clPlatformIDs; - return NULL; -} - -/* Return. the device in clDevices which supports the extension. */ -static int findExtensionSupportedDevice(cl_device_id *clDevices, - int numDevices, - const char *extensionName) { - /* Find a device that supports sharing with GL/D3D11 - * (SLI / X-fire configurations) - */ - cl_int ciErrNum; - for (int i = 0; i < numDevices; ++i) { - /* Get extensions string size. */ - size_t extensionSize; - ciErrNum = clGetDeviceInfo(clDevices[i], - CL_DEVICE_EXTENSIONS, 0, NULL, - &extensionSize); - if (ciErrNum != CL_SUCCESS) { - error("Error %d in clGetDeviceInfo\n", ciErrNum); - return -1; - } - if (extensionSize > 0) { - /* Get extensions string. */ - char *extensions = new char[extensionSize]; - ciErrNum = clGetDeviceInfo(clDevices[i], CL_DEVICE_EXTENSIONS, - extensionSize, extensions, - &extensionSize); - if (ciErrNum != CL_SUCCESS) { - error("Error %d in clGetDeviceInfo\n", ciErrNum); - delete[] extensions; - continue; - } - std::string extString(extensions); - delete[] extensions; - /* Parse string. This is bit deficient since the extentions - * is space separated. - * - * The actual string would be "cl_khr_d3d11_sharing" - * or "cl_nv_d3d11_sharing" - */ - if (extString.find(extensionName) != std::string::npos) { - return i; - } - } - } - return -1; -} - -CLDeviceContext::CLDeviceContext() - : _clContext(NULL), - _clCommandQueue(NULL) { -} - -CLDeviceContext::~CLDeviceContext() { - if (_clCommandQueue) - clReleaseCommandQueue(_clCommandQueue); - if (_clContext) - clReleaseContext(_clContext); -} - -bool CLDeviceContext::HAS_CL_VERSION_1_1() -{ -#ifdef OPENSUBDIV_HAS_CLEW - static bool clewInitialized = false; - static bool clewLoadSuccess; - if (not clewInitialized) { - clewInitialized = true; - clewLoadSuccess = clewInit() == CLEW_SUCCESS; - if (!clewLoadSuccess) { - error("Loading OpenCL failed.\n"); - } - } - return clewLoadSuccess; -#endif - return true; -} - -bool CLDeviceContext::Initialize() -{ -#ifdef OPENSUBDIV_HAS_CLEW - if (!clGetPlatformIDs) { - error("Error clGetPlatformIDs function not bound.\n"); - return false; - } -#endif - cl_int ciErrNum; - cl_platform_id cpPlatform = findPlatform(); - -#if defined(_WIN32) - cl_context_properties props[] = { - CL_GL_CONTEXT_KHR, (cl_context_properties)wglGetCurrentContext(), - CL_WGL_HDC_KHR, (cl_context_properties)wglGetCurrentDC(), - CL_CONTEXT_PLATFORM, (cl_context_properties)cpPlatform, - 0 - }; -#elif defined(__APPLE__) - CGLContextObj kCGLContext = CGLGetCurrentContext(); - CGLShareGroupObj kCGLShareGroup = CGLGetShareGroup(kCGLContext); - cl_context_properties props[] = { - CL_CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE, (cl_context_properties)kCGLShareGroup, - 0 - }; -#else - cl_context_properties props[] = { - CL_GL_CONTEXT_KHR, (cl_context_properties)glXGetCurrentContext(), - CL_GLX_DISPLAY_KHR, (cl_context_properties)glXGetCurrentDisplay(), - CL_CONTEXT_PLATFORM, (cl_context_properties)cpPlatform, - 0 - }; -#endif - -#if defined(__APPLE__) - _clContext = clCreateContext(props, 0, NULL, clLogMessagesToStdoutAPPLE, - NULL, &ciErrNum); - if (ciErrNum != CL_SUCCESS) { - error("Error %d in clCreateContext\n", ciErrNum); - return false; - } - - size_t devicesSize = 0; - clGetGLContextInfoAPPLE(_clContext, kCGLContext, - CL_CGL_DEVICES_FOR_SUPPORTED_VIRTUAL_SCREENS_APPLE, - 0, NULL, &devicesSize); - int numDevices = int(devicesSize / sizeof(cl_device_id)); - if (numDevices == 0) { - error("No sharable devices.\n"); - return false; - } - cl_device_id *clDevices = new cl_device_id[numDevices]; - clGetGLContextInfoAPPLE(_clContext, kCGLContext, - CL_CGL_DEVICES_FOR_SUPPORTED_VIRTUAL_SCREENS_APPLE, - numDevices * sizeof(cl_device_id), clDevices, NULL); - int clDeviceUsed = 0; - -#else // not __APPLE__ - /* Get the number of GPU devices available to the platform. */ - cl_uint numDevices = 0; - clGetDeviceIDs(cpPlatform, CL_DEVICE_TYPE_GPU, 0, NULL, &numDevices); - if (numDevices == 0) { - error("No CL GPU device found.\n"); - return false; - } - - /* Create the device list. */ - cl_device_id *clDevices = new cl_device_id[numDevices]; - clGetDeviceIDs(cpPlatform, CL_DEVICE_TYPE_GPU, numDevices, clDevices, NULL); - - const char *extension = "cl_khr_gl_sharing"; - int clDeviceUsed = findExtensionSupportedDevice(clDevices, numDevices, - extension); - - if (clDeviceUsed < 0) { - error("No device found that supports CL/GL context sharing\n"); - delete[] clDevices; - return false; - } - - _clContext = clCreateContext(props, 1, &clDevices[clDeviceUsed], - NULL, NULL, &ciErrNum); -#endif // not __APPLE__ - if (ciErrNum != CL_SUCCESS) { - error("Error %d in clCreateContext\n", ciErrNum); - delete[] clDevices; - return false; - } - _clCommandQueue = clCreateCommandQueue(_clContext, clDevices[clDeviceUsed], - 0, &ciErrNum); - delete[] clDevices; - if (ciErrNum != CL_SUCCESS) { - error("Error %d in clCreateCommandQueue\n", ciErrNum); - return false; - } - return true; -} - -#endif /* OPENSUBDIV_HAS_OPENCL */ |