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fix for cg profile limitation on non-nvidia cards

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rdb 2013-05-17 21:26:47 +00:00
parent a2a0b485ac
commit da09882f67
1 changed files with 16 additions and 0 deletions
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16
panda/src/glstuff/glGraphicsStateGuardian_src.cxx
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@ -931,6 +931,22 @@ reset() {
_shader_caps._active_vprofile = (int)cgGLGetLatestProfile(CG_GL_VERTEX); _shader_caps._active_vprofile = (int)cgGLGetLatestProfile(CG_GL_VERTEX);
_shader_caps._active_fprofile = (int)cgGLGetLatestProfile(CG_GL_FRAGMENT); _shader_caps._active_fprofile = (int)cgGLGetLatestProfile(CG_GL_FRAGMENT);
_shader_caps._active_gprofile = (int)cgGLGetLatestProfile(CG_GL_GEOMETRY); _shader_caps._active_gprofile = (int)cgGLGetLatestProfile(CG_GL_GEOMETRY);
// cgGLGetLatestProfile doesn't seem to return anything other
// arbvp1/arbfp1 on non-NVIDIA cards, which is severely limiting.
if ((_shader_caps._active_vprofile == CG_PROFILE_ARBVP1 ||
_shader_caps._active_fprofile == CG_PROFILE_ARBFP1) &&
cgGLIsProfileSupported(CG_PROFILE_GLSLV) &&
cgGLIsProfileSupported(CG_PROFILE_GLSLF)) {
// So, if this happens, we set it to GLSL, which is
// usually supported on all cards.
_shader_caps._active_vprofile = (int)CG_PROFILE_GLSLV;
_shader_caps._active_fprofile = (int)CG_PROFILE_GLSLF;
if (cgGLIsProfileSupported(CG_PROFILE_GLSLG)) {
_shader_caps._active_gprofile = (int)CG_PROFILE_GLSLG;
}
}
} }
_shader_caps._ultimate_vprofile = (int)CG_PROFILE_VP40; _shader_caps._ultimate_vprofile = (int)CG_PROFILE_VP40;
_shader_caps._ultimate_fprofile = (int)CG_PROFILE_FP40; _shader_caps._ultimate_fprofile = (int)CG_PROFILE_FP40;