forked from bartvdbraak/blender
OpenSubdiv: remove legacy support & display queries
OSD display needs more work, since it uses some legacy OpenGL light and material functions.
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@ -368,16 +368,3 @@ const struct OpenSubdiv_TopologyRefinerDescr *openSubdiv_getGLMeshTopologyRefine
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{
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return gl_mesh->topology_refiner;
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}
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int openSubdiv_supportGPUDisplay(void)
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{
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// TODO: simplify extension check once Blender adopts GL 3.2
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return openSubdiv_gpu_legacy_support() &&
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(GLEW_VERSION_3_2 ||
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(GLEW_VERSION_3_1 && GLEW_EXT_geometry_shader4) ||
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(GLEW_VERSION_3_0 &&
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GLEW_EXT_geometry_shader4 &&
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GLEW_ARB_uniform_buffer_object &&
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(GLEW_ARB_texture_buffer_object || GLEW_EXT_texture_buffer_object)));
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/* also ARB_explicit_attrib_location? */
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}
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@ -146,11 +146,9 @@ void openSubdiv_osdGLAllocFVar(struct OpenSubdiv_TopologyRefinerDescr *topology_
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void openSubdiv_osdGLDestroyFVar(OpenSubdiv_GLMesh *gl_mesh);
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/* ** Utility functions ** */
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int openSubdiv_supportGPUDisplay(void);
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int openSubdiv_getAvailableEvaluators(void);
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void openSubdiv_init(bool gpu_legacy_support);
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void openSubdiv_init(void);
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void openSubdiv_cleanup(void);
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bool openSubdiv_gpu_legacy_support(void);
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#ifdef __cplusplus
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}
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@ -423,11 +423,10 @@ bool openSubdiv_osdGLDisplayInit(void)
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{
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static bool need_init = true;
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static bool init_success = false;
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if (need_init) {
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if (!openSubdiv_supportGPUDisplay()) {
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if (need_init) {
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/* TODO: update OSD drawing to OpenGL 3.3 core, then remove following line */
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return false;
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}
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const char *version = "";
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if (GLEW_VERSION_3_2) {
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@ -41,14 +41,8 @@
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# include "opensubdiv_device_context_cuda.h"
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#endif /* OPENSUBDIV_HAS_CUDA */
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static bool gpu_legacy_support_global = false;
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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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@ -82,19 +76,13 @@ int openSubdiv_getAvailableEvaluators(void)
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return flags;
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}
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void openSubdiv_init(bool gpu_legacy_support)
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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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gpu_legacy_support_global = gpu_legacy_support;
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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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bool openSubdiv_gpu_legacy_support(void)
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{
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return gpu_legacy_support_global;
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}
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@ -993,7 +993,7 @@ void ccgSubSurf__sync_subdivUvs(CCGSubSurf *ss, bool subdiv_uvs)
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void BKE_subsurf_osd_init(void)
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{
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openSubdiv_init(false);
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openSubdiv_init();
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BLI_spin_init(&delete_spin);
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}
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@ -5014,8 +5014,7 @@ static bool subsurf_use_gpu_backend(SubsurfFlags flags)
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*/
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return
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(flags & SUBSURF_USE_GPU_BACKEND) != 0 &&
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(U.opensubdiv_compute_type != USER_OPENSUBDIV_COMPUTE_NONE) &&
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(openSubdiv_supportGPUDisplay());
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(U.opensubdiv_compute_type != USER_OPENSUBDIV_COMPUTE_NONE);
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#else
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(void)flags;
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return false;
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