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gsdx-ogl: actually code use 4.0 GL_ARB_draw_buffers_blend 

It is used for glBlendEquationSeparateiARB && gl_BlendFuncSeparateiARB

The 3.0 function could work too. It just need to be added
This commit is contained in:
Gregory Hainaut 2015-05-29 18:38:19 +02:00
parent 92d68b70d3
commit a639634769
1 changed files with 3 additions and 0 deletions
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3
plugins/GSdx/GLLoader.cpp
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@ -345,6 +345,7 @@ namespace GLLoader {
// Mandatory
bool found_GL_ARB_texture_storage = false;
bool found_GL_ARB_shading_language_420pack = false;
bool found_GL_ARB_draw_buffers_blend = false; // could be easily be optional, but I'm lazy
static bool status_and_override(bool& found, const std::string& name, bool mandatory = false)
{
@ -430,6 +431,7 @@ namespace GLLoader {
if (ext.compare("GL_EXT_texture_filter_anisotropic") == 0) found_GL_EXT_texture_filter_anisotropic = true;
// GL4.0
if (ext.compare("GL_ARB_gpu_shader5") == 0) found_GL_ARB_gpu_shader5 = true;
if (ext.compare("GL_ARB_draw_buffers_blend") == 0) found_GL_ARB_draw_buffers_blend = true;
// GL4.1
if (ext.compare("GL_ARB_separate_shader_objects") == 0) {
if (!fglrx_buggy_driver && !mesa_amd_buggy_driver && !intel_buggy_driver) found_GL_ARB_separate_shader_objects = true;
@ -477,6 +479,7 @@ namespace GLLoader {
status &= status_and_override(found_GL_EXT_texture_filter_anisotropic, "GL_EXT_texture_filter_anisotropic");
// GL4.0
status &= status_and_override(found_GL_ARB_gpu_shader5, "GL_ARB_gpu_shader5");
status &= status_and_override(found_GL_ARB_draw_buffers_blend, "GL_ARB_draw_buffers_blend", true);
// GL4.1
status &= status_and_override(found_GL_ARB_separate_shader_objects, "GL_ARB_separate_shader_objects");
status &= status_and_override(found_GL_ARB_shader_subroutine, "GL_ARB_shader_subroutine");