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Properly support MSAA and SSAA as separate features(+GLES)

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SSAA relies on MSAA being active to work. We only supports 4x SSAA while in fact you can enable SSAA at any MSAA level.
I even managed to run 64xMSAA + SSAA on my Quadro which made some pretty sleek looking games. They were very cinematic though.

With this, it properly fixes up SSAA and MSAA support in GLES as well. Before they were broken when stereo rendering was enabled.
Now in GLES they can properly support MSAA and also stereo rendering with MSAA enabled(with proper extensions).
This commit is contained in:
Ryan Houdek
2015-09-01 00:17:24 -05:00
parent 0f3263ac63
commit 7650117c26
13 changed files with 144 additions and 43 deletions
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4
Source/Core/VideoBackends/OGL/ProgramShaderCache.cpp
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@ -567,6 +567,7 @@ void ProgramShaderCache::CreateHeader()
"%s\n"
"%s\n"
"%s\n"
"%s\n"
// Silly differences
"#define float2 vec2\n"
@ -588,7 +589,7 @@ void ProgramShaderCache::CreateHeader()
, !is_glsles && g_ActiveConfig.backend_info.bSupportsEarlyZ ? "#extension GL_ARB_shader_image_load_store : enable" : ""
, (g_ActiveConfig.backend_info.bSupportsBindingLayout && v < GLSLES_310) ? "#extension GL_ARB_shading_language_420pack : enable" : ""
, (g_ogl_config.bSupportsMSAA && v < GLSL_150) ? "#extension GL_ARB_texture_multisample : enable" : ""
, (g_ogl_config.bSupportSampleShading) ? "#extension GL_ARB_sample_shading : enable" : ""
, (v < GLSLES_300 && g_ActiveConfig.backend_info.bSupportsSSAA) ? "#extension GL_ARB_sample_shading : enable" : ""
, g_ActiveConfig.backend_info.bSupportsBindingLayout ? "#define SAMPLER_BINDING(x) layout(binding = x)" : "#define SAMPLER_BINDING(x)"
, g_ActiveConfig.backend_info.bSupportsBBox ? "#extension GL_ARB_shader_storage_buffer_object : enable" : ""
, !is_glsles && g_ActiveConfig.backend_info.bSupportsGSInstancing ? "#extension GL_ARB_gpu_shader5 : enable" : ""
@ -602,6 +603,7 @@ void ProgramShaderCache::CreateHeader()
, is_glsles ? "precision highp int;" : ""
, is_glsles ? "precision highp sampler2DArray;" : ""
, (is_glsles && g_ActiveConfig.backend_info.bSupportsPaletteConversion) ? "precision highp usamplerBuffer;" : ""
, v > GLSLES_300 ? "precision highp sampler2DMS;" : ""
);
}