forked from bartvdbraak/blender
111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2013 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Sergey Sharybin.
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* Brecht van Lommel
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "opensubdiv_capi.h"
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#include <cstring>
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#include <GL/glew.h>
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#ifdef _MSC_VER
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# include "iso646.h"
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#endif
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#ifdef OPENSUBDIV_HAS_OPENCL
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# include "opensubdiv_device_context_opencl.h"
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#endif /* OPENSUBDIV_HAS_OPENCL */
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#ifdef OPENSUBDIV_HAS_CUDA
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# include "opensubdiv_device_context_cuda.h"
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#endif /* OPENSUBDIV_HAS_CUDA */
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int openSubdiv_getAvailableEvaluators(void)
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{
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if (!openSubdiv_supportGPUDisplay()) {
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return 0;
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}
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int flags = OPENSUBDIV_EVALUATOR_CPU;
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#ifdef OPENSUBDIV_HAS_OPENMP
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flags |= OPENSUBDIV_EVALUATOR_OPENMP;
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#endif /* OPENSUBDIV_HAS_OPENMP */
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#ifdef OPENSUBDIV_HAS_OPENCL
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if (CLDeviceContext::HAS_CL_VERSION_1_1()) {
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flags |= OPENSUBDIV_EVALUATOR_OPENCL;
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}
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#endif /* OPENSUBDIV_HAS_OPENCL */
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#ifdef OPENSUBDIV_HAS_CUDA
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if (CudaDeviceContext::HAS_CUDA_VERSION_4_0()) {
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flags |= OPENSUBDIV_EVALUATOR_CUDA;
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}
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#endif /* OPENSUBDIV_HAS_OPENCL */
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#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
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if (GLEW_ARB_texture_buffer_object) {
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flags |= OPENSUBDIV_EVALUATOR_GLSL_TRANSFORM_FEEDBACK;
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}
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#endif /* OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK */
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#ifdef OPENSUBDIV_HAS_GLSL_COMPUTE
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static bool vendor_checked = false;
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static bool disable_glsl_compute = false;
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/* Force disable GLSL Compute on AMD hardware because it has really
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* hard time evaluating required shaders.
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*/
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if (!vendor_checked) {
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vendor_checked = true;
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const char *vendor = (const char *)glGetString(GL_VENDOR);
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const char *renderer = (const char *)glGetString(GL_RENDERER);
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if (vendor != NULL && renderer != NULL) {
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if (strstr(vendor, "ATI") ||
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strstr(renderer, "Mesa DRI R") ||
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(strstr(renderer, "Gallium ") && strstr(renderer, " on ATI ")))
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{
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disable_glsl_compute = true;
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}
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}
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}
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if (!disable_glsl_compute) {
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flags |= OPENSUBDIV_EVALUATOR_GLSL_COMPUTE;
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}
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#endif /* OPENSUBDIV_HAS_GLSL_COMPUTE */
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return flags;
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}
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void openSubdiv_init(void)
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{
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/* Ensure all OpenGL strings are cached. */
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(void)openSubdiv_getAvailableEvaluators();
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}
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void openSubdiv_cleanup(void)
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{
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openSubdiv_osdGLDisplayDeinit();
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}
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