100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
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// Copyright 2013 Blender Foundation. All rights reserved.
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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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// Author: Sergey Sharybin
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// Contributor(s): Brecht van Lommel
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#include "opensubdiv_capi.h"
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#ifdef _MSC_VER
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# include <iso646.h>
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#endif
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#include <GL/glew.h>
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#include "opensubdiv_device_context_opencl.h"
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#include "opensubdiv_device_context_cuda.h"
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#include "opensubdiv_gl_mesh_capi.h"
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void openSubdiv_init(void) {
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// Ensure all OpenGL strings are cached.
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openSubdiv_getAvailableEvaluators();
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}
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void openSubdiv_cleanup(void) {
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openSubdiv_deinitGLMeshDrawingResources();
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}
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int openSubdiv_getAvailableEvaluators(void) {
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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
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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
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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
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#ifdef OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK
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if (GLEW_VERSION_4_1) {
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flags |= OPENSUBDIV_EVALUATOR_GLSL_TRANSFORM_FEEDBACK;
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}
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#endif
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#ifdef OPENSUBDIV_HAS_GLSL_COMPUTE
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if (GLEW_VERSION_4_3 || GLEW_ARB_compute_shader) {
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flags |= OPENSUBDIV_EVALUATOR_GLSL_COMPUTE;
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}
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#endif
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return flags;
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}
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int openSubdiv_getVersionHex(void) {
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#if defined(OPENSUBDIV_VERSION_NUMBER)
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return OPENSUBDIV_VERSION_NUMBER;
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#elif defined(OPENSUBDIV_VERSION_MAJOR)
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return OPENSUBDIV_VERSION_MAJOR * 10000 +
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OPENSUBDIV_VERSION_MINOR * 100 +
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OPENSUBDIV_VERSION_PATCH;
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#elif defined(OPENSUBDIV_VERSION)
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const char* version = STRINGIFY(OPENSUBDIV_VERSION);
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if (version[0] == 'v') {
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version += 1;
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}
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int major = 0, minor = 0, patch = 0;
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vector<string> tokens;
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opensubdiv_capi::stringSplit(&tokens, version, "_", true);
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if (tokens.size() == 3) {
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major = atoi(tokens[0].c_str());
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minor = atoi(tokens[1].c_str());
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patch = atoi(tokens[2].c_str());
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}
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return major * 10000 + minor * 100 + patch;
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#else
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return 0;
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#endif
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}
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