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Force ARB_blend_func_extended off on OpenGL < 3.0.

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Henrik Rydgard
2013-12-17 09:09:39 +01:00
parent 1ef531ec9c
commit c21fa64c19
1 changed files with 6 additions and 2 deletions
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gfx_es2/gl_state.cpp
+6 -2
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@@ -166,9 +166,9 @@ void CheckGLExtensions() {
#endif
#else
// If the GL version >= 4.3, we know it's a true superset of OpenGL ES 3.0 and can thus enable
// modern paths.
// all the same modern paths.
// Most of it could be enabled on lower GPUs as well, but let's start this way.
if ((gl_extensions.ver[0] == 4 && gl_extensions.ver[1] >= 3) || gl_extensions.ver[0] > 4) {
if (gl_extensions.VersionGEThan(4, 3, 0)) {
gl_extensions.GLES3 = true;
}
#endif
@@ -197,6 +197,10 @@ void CheckGLExtensions() {
gl_extensions.NV_draw_texture = strstr(extString, "GL_NV_draw_texture") != 0;
gl_extensions.ARB_blend_func_extended = strstr(extString, "GL_ARB_blend_func_extended") != 0;
if (!gl_extensions.VersionGEThan(3, 0, 0)) {
// Force this extension to off on sub 3.0 OpenGL versions as it does not seem reliable
gl_extensions.ARB_blend_func_extended = false;
}
#ifdef USING_GLES2
gl_extensions.OES_packed_depth_stencil = strstr(extString, "GL_OES_packed_depth_stencil") != 0;