diff options
Diffstat (limited to 'intern/opensubdiv/opensubdiv_utils_capi.cc')
| -rw-r--r-- | intern/opensubdiv/opensubdiv_utils_capi.cc | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/intern/opensubdiv/opensubdiv_utils_capi.cc b/intern/opensubdiv/opensubdiv_utils_capi.cc index 5a2d017ed26..a3aff5327db 100644 --- a/intern/opensubdiv/opensubdiv_utils_capi.cc +++ b/intern/opensubdiv/opensubdiv_utils_capi.cc @@ -26,6 +26,7 @@ #include "opensubdiv_capi.h" +#include <cstring> #include <GL/glew.h> #ifdef _MSC_VER @@ -71,7 +72,24 @@ int openSubdiv_getAvailableEvaluators(void) #endif /* OPENSUBDIV_HAS_GLSL_TRANSFORM_FEEDBACK */ #ifdef OPENSUBDIV_HAS_GLSL_COMPUTE - flags |= OPENSUBDIV_EVALUATOR_GLSL_COMPUTE; + static bool vendor_checked = false; + static bool disable_glsl_compute = false; + /* Force disable GLSL Compute on AMD hardware because it has really + * hard time evaluating required shaders. + */ + if (!vendor_checked) { + const char *vendor = (const char *)glGetString(GL_VENDOR); + const char *renderer = (const char *)glGetString(GL_RENDERER); + if (strstr(vendor, "ATI") || + strstr(renderer, "Mesa DRI R") || + (strstr(renderer, "Gallium ") && strstr(renderer, " on ATI "))) + { + disable_glsl_compute = true; + } + } + if (!disable_glsl_compute) { + flags |= OPENSUBDIV_EVALUATOR_GLSL_COMPUTE; + } #endif /* OPENSUBDIV_HAS_GLSL_COMPUTE */ return flags; |