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Support EXT_blend_func_extended in GLES.

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This lets us get dual source blending on GLES targets.
This commit is contained in:
Ryan Houdek 2015-09-04 20:25:59 -05:00
parent 3a04c77180
commit 5fa4c8d930
3 changed files with 8 additions and 1 deletions
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4
Source/Core/VideoBackends/OGL/GLExtensions/GLExtensions.cpp
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@ -1299,6 +1299,10 @@ const GLFunc gl_function_array[] =
// EXT_texture_buffer
GLFUNC_SUFFIX(glTexBuffer, EXT, "GL_EXT_texture_buffer !GL_OES_texture_buffer !VERSION_GLES_3_2"),
// EXT_blend_func_extended
GLFUNC_SUFFIX(glBindFragDataLocationIndexed, EXT, "GL_EXT_blend_func_extended"),
GLFUNC_SUFFIX(glGetFragDataIndex, EXT, "GL_EXT_blend_func_extended"),
// GLES 3.2
GLFUNC_REQUIRES(glMinSampleShading, "VERSION_GLES_3_2"),
GLFUNC_REQUIRES(glDebugMessageCallback, "VERSION_GLES_3_2"),

2
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
View file

@ -560,6 +560,7 @@ void ProgramShaderCache::CreateHeader()
"%s\n" // AEP
"%s\n" // texture buffer
"%s\n" // ES texture buffer
"%s\n" // ES dual source blend
// Precision defines for GLSL ES
"%s\n"
@ -599,6 +600,7 @@ void ProgramShaderCache::CreateHeader()
, g_ogl_config.bSupportsAEP ? "#extension GL_ANDROID_extension_pack_es31a : enable" : ""
, v<GLSL_140 && g_ActiveConfig.backend_info.bSupportsPaletteConversion ? "#extension GL_ARB_texture_buffer_object : enable" : ""
, SupportedESTextureBuffer.c_str()
, is_glsles && g_ActiveConfig.backend_info.bSupportsDualSourceBlend ? "#extension GL_EXT_blend_func_extended : enable" : ""
, is_glsles ? "precision highp float;" : ""
, is_glsles ? "precision highp int;" : ""

3
Source/Core/VideoBackends/OGL/Render.cpp
View file

@ -460,7 +460,8 @@ Renderer::Renderer()
glClearDepthf = ClearDepthf;
}
g_Config.backend_info.bSupportsDualSourceBlend = GLExtensions::Supports("GL_ARB_blend_func_extended");
g_Config.backend_info.bSupportsDualSourceBlend = GLExtensions::Supports("GL_ARB_blend_func_extended") ||
GLExtensions::Supports("GL_EXT_blend_func_extended");
g_Config.backend_info.bSupportsPrimitiveRestart = !DriverDetails::HasBug(DriverDetails::BUG_PRIMITIVERESTART) &&
((GLExtensions::Version() >= 310) || GLExtensions::Supports("GL_NV_primitive_restart"));
g_Config.backend_info.bSupportsEarlyZ = GLExtensions::Supports("GL_ARB_shader_image_load_store");