diff options
| author | Ryan Houdek <Sonicadvance1@gmail.com> | 2011-12-29 00:32:06 -0600 |
|---|---|---|
| committer | Sonicadvance1 <sonicadvance1@RH-Live.(none)> | 2012-10-09 23:56:00 -0500 |
| commit | 2e15440896f0267ef4b602ebfded277c95e0572f (patch) | |
| tree | f5cc4a1ab36923650c8e9389dbfc47893b83ab07 /Source/Core/VideoCommon | |
| parent | 5085cebaf381e5a56505b9535ecbfc633cc24c07 (diff) | |
Add support for Dual source blending to older ATI cards that don't support 420pack but do support GL_ARB_blend_func_extended. This is more proper as well anyways.
Diffstat (limited to 'Source/Core/VideoCommon')
| -rw-r--r-- | Source/Core/VideoCommon/Src/PixelShaderGen.cpp | 15 | ||||
| -rw-r--r-- | Source/Core/VideoCommon/Src/VideoConfig.h | 1 |
2 files changed, 13 insertions, 3 deletions
diff --git a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp index a6e1995ad9..a4d3f3a397 100644 --- a/Source/Core/VideoCommon/Src/PixelShaderGen.cpp +++ b/Source/Core/VideoCommon/Src/PixelShaderGen.cpp @@ -577,6 +577,8 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType if (g_ActiveConfig.backend_info.bSupportsGLSLATTRBind) WRITE(p, "#extension GL_ARB_explicit_attrib_location : enable\n"); + if (g_ActiveConfig.backend_info.bSupportsGLSLBlend) + WRITE(p, "#extension GL_ARB_blend_func_extended : enable\n"); // Silly differences WRITE(p, "#define float2 vec2\n"); WRITE(p, "#define float3 vec3\n"); @@ -702,13 +704,20 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType { // GLSL doesn't do main arguments // Once we switch to GLSL 1.3 we will bind a lot of these. - if (dstAlphaMode == DSTALPHA_DUAL_SOURCE_BLEND) { // This won't get hit unless we support GL 3.3 - WRITE(p, " layout(location = 0) out float4 ocol0;\n"); - WRITE(p, " layout(location = 0, index = 1) out float4 ocol1;\n"); // Will be supported later + if (g_ActiveConfig.backend_info.bSupportsGLSLBinding) + { + WRITE(p, " layout(location = 0) out float4 ocol0;\n"); + WRITE(p, " layout(location = 0, index = 1) out float4 ocol1;\n"); + } + else + { + WRITE(p, " out float4 ocol0;\n"); + WRITE(p, " out float4 ocol1;\n"); + } } else { diff --git a/Source/Core/VideoCommon/Src/VideoConfig.h b/Source/Core/VideoCommon/Src/VideoConfig.h index 6476317efc..92afaa313d 100644 --- a/Source/Core/VideoCommon/Src/VideoConfig.h +++ b/Source/Core/VideoCommon/Src/VideoConfig.h @@ -166,6 +166,7 @@ struct VideoConfig bool bSupportsGLSL; bool bSupportsGLSLBinding; + bool bSupportsGLSLBlend; bool bSupportsGLSLUBO; bool bSupportsGLSLATTRBind; bool bSupportsGLSLCache; |