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Diffstat (limited to 'intern/opensubdiv/internal/opensubdiv_device_context_opencl.cc')
| -rw-r--r-- | intern/opensubdiv/internal/opensubdiv_device_context_opencl.cc | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/intern/opensubdiv/internal/opensubdiv_device_context_opencl.cc b/intern/opensubdiv/internal/opensubdiv_device_context_opencl.cc deleted file mode 100644 index 72285930889..00000000000 --- a/intern/opensubdiv/internal/opensubdiv_device_context_opencl.cc +++ /dev/null @@ -1,258 +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. - -#include "opensubdiv_device_context_opencl.h" - -#ifdef OPENSUBDIV_HAS_OPENCL - -# if defined(_WIN32) -# include <windows.h> -# elif defined(__APPLE__) -# include <OpenGL/OpenGL.h> -# else -# include <GL/glx.h> -# endif - -# include <cstdio> -# include <cstring> - -# include "internal/opensubdiv_util.h" - -# define message(...) // fprintf(stderr, __VA_ARGS__) -# define error(...) fprintf(stderr, __VA_ARGS__) - -namespace { - -// Returns the first found platform. -cl_platform_id findPlatform() -{ - cl_uint num_platforms; - cl_int ci_error_number = clGetPlatformIDs(0, NULL, &num_platforms); - if (ci_error_number != CL_SUCCESS) { - error("Error %d in clGetPlatformIDs call.\n", ci_error_number); - return NULL; - } - if (num_platforms == 0) { - error("No OpenCL platform found.\n"); - return NULL; - } - vector<cl_platform_id> cl_platform_ids(num_platforms); - ci_error_number = clGetPlatformIDs(num_platforms, &cl_platform_ids[0], NULL); - char ch_buffer[1024]; - for (cl_uint i = 0; i < num_platforms; ++i) { - ci_error_number = clGetPlatformInfo( - cl_platform_ids[i], CL_PLATFORM_NAME, sizeof(ch_buffer), ch_buffer, NULL); - if (ci_error_number == CL_SUCCESS) { - cl_platform_id platform_id = cl_platform_ids[i]; - return platform_id; - } - } - return NULL; -} - -// Return the device in cl_devices which supports the extension. -int findExtensionSupportedDevice(cl_device_id *cl_devices, - int num_devices, - const char *extension_name) -{ - // Find a device that supports sharing with GL/D3D11 - // (SLI / X-fire configurations) - cl_int cl_error_number; - for (int i = 0; i < num_devices; ++i) { - // Get extensions string size. - size_t extensions_size; - cl_error_number = clGetDeviceInfo( - cl_devices[i], CL_DEVICE_EXTENSIONS, 0, NULL, &extensions_size); - if (cl_error_number != CL_SUCCESS) { - error("Error %d in clGetDeviceInfo\n", cl_error_number); - return -1; - } - if (extensions_size > 0) { - // Get extensions string. - string extensions('\0', extensions_size); - cl_error_number = clGetDeviceInfo( - cl_devices[i], CL_DEVICE_EXTENSIONS, extensions_size, &extensions[0], &extensions_size); - if (cl_error_number != CL_SUCCESS) { - error("Error %d in clGetDeviceInfo\n", cl_error_number); - continue; - } - // 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 (extensions.find(extension_name) != string::npos) { - return i; - } - } - } - return -1; -} - -} // namespace - -CLDeviceContext::CLDeviceContext() : cl_context_(NULL), cl_command_queue_(NULL) -{ -} - -CLDeviceContext::~CLDeviceContext() -{ - if (cl_command_queue_) { - clReleaseCommandQueue(cl_command_queue_); - } - if (cl_context_) { - clReleaseContext(cl_context_); - } -} - -bool CLDeviceContext::HAS_CL_VERSION_1_1() -{ -# ifdef OPENSUBDIV_HAS_CLEW - static bool clew_initialized = false; - static bool clew_load_success; - if (!clew_initialized) { - clew_initialized = true; - clew_load_success = clewInit() == CLEW_SUCCESS; - if (!clew_load_success) { - error("Loading OpenCL failed.\n"); - } - } - return clew_load_success; -# endif - return true; -} - -bool CLDeviceContext::Initialize() -{ -# ifdef OPENSUBDIV_HAS_CLEW - if (!clGetPlatformIDs) { - error("Error clGetPlatformIDs function not bound.\n"); - return false; - } -# endif - cl_int cl_error_number; - cl_platform_id cp_platform = 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)cp_platform, - 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)cp_platform, - 0, - }; -# endif - -# if defined(__APPLE__) - _clContext = clCreateContext(props, 0, NULL, clLogMessagesToStdoutAPPLE, NULL, &cl_error_number); - if (cl_error_number != CL_SUCCESS) { - error("Error %d in clCreateContext\n", cl_error_number); - return false; - } - size_t devices_size = 0; - clGetGLContextInfoAPPLE(_clContext, - kCGLContext, - CL_CGL_DEVICES_FOR_SUPPORTED_VIRTUAL_SCREENS_APPLE, - 0, - NULL, - &devices_size); - const int num_devices = devices_size / sizeof(cl_device_id); - if (num_devices == 0) { - error("No sharable devices.\n"); - return false; - } - vector<cl_device_id> cl_devices(num_devices); - clGetGLContextInfoAPPLE(_clContext, - kCGLContext, - CL_CGL_DEVICES_FOR_SUPPORTED_VIRTUAL_SCREENS_APPLE, - num_devices * sizeof(cl_device_id), - &cl_devices[0], - NULL); - int cl_device_used = 0; -# else // not __APPLE__ - // Get the number of GPU devices available to the platform. - cl_uint num_devices = 0; - clGetDeviceIDs(cp_platform, CL_DEVICE_TYPE_GPU, 0, NULL, &num_devices); - if (num_devices == 0) { - error("No CL GPU device found.\n"); - return false; - } - // Create the device list. - vector<cl_device_id> cl_devices(num_devices); - clGetDeviceIDs(cp_platform, CL_DEVICE_TYPE_GPU, num_devices, &cl_devices[0], NULL); - const char *extension = "cl_khr_gl_sharing"; - int cl_device_used = findExtensionSupportedDevice(&cl_devices[0], num_devices, extension); - if (cl_device_used < 0) { - error("No device found that supports CL/GL context sharing\n"); - return false; - } - cl_context_ = clCreateContext( - props, 1, &cl_devices[cl_device_used], NULL, NULL, &cl_error_number); -# endif // not __APPLE__ - if (cl_error_number != CL_SUCCESS) { - error("Error %d in clCreateContext\n", cl_error_number); - return false; - } - cl_command_queue_ = clCreateCommandQueue( - cl_context_, cl_devices[cl_device_used], 0, &cl_error_number); - if (cl_error_number != CL_SUCCESS) { - error("Error %d in clCreateCommandQueue\n", cl_error_number); - return false; - } - return true; -} - -bool CLDeviceContext::IsInitialized() const -{ - return (cl_context_ != NULL); -} - -cl_context CLDeviceContext::GetContext() const -{ - return cl_context_; -} - -cl_command_queue CLDeviceContext::GetCommandQueue() const -{ - return cl_command_queue_; -} - -#endif // OPENSUBDIV_HAS_OPENCL |