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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2013 Blender Foundation.
* All rights reserved.
*/
#include "opensubdiv_capi.h"
#include <cstring>
#include <GL/glew.h>
#ifdef _MSC_VER
# include "iso646.h"
#endif
#ifdef OPENSUBDIV_HAS_OPENCL
# include "opensubdiv_device_context_opencl.h"
#endif /* OPENSUBDIV_HAS_OPENCL */
#ifdef OPENSUBDIV_HAS_CUDA
# include "opensubdiv_device_context_cuda.h"
#endif /* OPENSUBDIV_HAS_CUDA */
static bool gpu_legacy_support_global = false;
int openSubdiv_getAvailableEvaluators(void)
{
if (!openSubdiv_supportGPUDisplay()) {
return 0;
}
int flags = OPENSUBDIV_EVALUATOR_CPU;
#ifdef OPENSUBDIV_HAS_OPENMP
flags |= OPENSUBDIV_EVALUATOR_OPENMP;
#endif /* OPENSUBDIV_HAS_OPENMP */
#ifdef OPENSUBDIV_HAS_OPENCL
if (CLDeviceContext::HAS_CL_VERSION_1_1()) {
flags |= OPENSUBDIV_EVALUATOR_OPENCL;
}
#endif /* OPENSUBDIV_HAS_OPENCL */
#ifdef OPENSUBDIV_HAS_CUDA
if (CudaDeviceContext::HAS_CUDA_VERSION_4_0()) {
flags |= OPENSUBDIV_EVALUATOR_CUDA;
}
#endif /* OPENSUBDIV_HAS_OPENCL */
#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
if (GLEW_VERSION_4_1) {
flags |= OPENSUBDIV_EVALUATOR_GLSL_TRANSFORM_FEEDBACK;
}
#endif /* OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK */
#ifdef OPENSUBDIV_HAS_GLSL_COMPUTE
if (GLEW_VERSION_4_3 || GLEW_ARB_compute_shader) {
flags |= OPENSUBDIV_EVALUATOR_GLSL_COMPUTE;
}
#endif /* OPENSUBDIV_HAS_GLSL_COMPUTE */
return flags;
}
void openSubdiv_init(bool gpu_legacy_support)
{
/* Ensure all OpenGL strings are cached. */
(void)openSubdiv_getAvailableEvaluators();
gpu_legacy_support_global = gpu_legacy_support;
}
void openSubdiv_cleanup(void)
{
openSubdiv_osdGLDisplayDeinit();
}
bool openSubdiv_gpu_legacy_support(void)
{
return gpu_legacy_support_global;
}
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