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Early fragment tests and alpha compare to emulate GX use

This commit is contained in:
Jack Andersen 2016-07-31 14:12:10 -10:00
parent 9806a34ef6
commit dc2c636f33
1 changed files with 14 additions and 3 deletions
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17
hecl/lib/Backend/GLSL.cpp
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@ -201,9 +201,15 @@ std::string GLSL::makeFrag(const char* glslVer, bool alphaTest,
for (unsigned i=0 ; i<m_texMapEnd ; ++i) for (unsigned i=0 ; i<m_texMapEnd ; ++i)
texMapDecl += hecl::Format("TBINDING%u uniform sampler2D tex%u;\n", i, i); texMapDecl += hecl::Format("TBINDING%u uniform sampler2D tex%u;\n", i, i);
std::string retval = std::string(glslVer) + "\n" BOO_GLSL_BINDING_HEAD + std::string retval = std::string(glslVer) +
"\n#extension GL_ARB_shader_image_load_store: enable\n" BOO_GLSL_BINDING_HEAD +
GenerateVertToFragStruct(0) + GenerateVertToFragStruct(0) +
"\nlayout(location=0) out vec4 colorOut;\n" + (!alphaTest ?
"\n#extension GL_ARB_shader_image_load_store: enable\n"
"#ifdef GL_ARB_shader_image_load_store\n"
"layout(early_fragment_tests) in;\n"
"#endif\n" : "") +
"layout(location=0) out vec4 colorOut;\n" +
texMapDecl + texMapDecl +
"SBINDING(0) in VertToFrag vtf;\n\n" + "SBINDING(0) in VertToFrag vtf;\n\n" +
lightingSrc + "\n" + lightingSrc + "\n" +
@ -259,8 +265,13 @@ std::string GLSL::makeFrag(const char* glslVer, bool alphaTest,
extTex.mapIdx, extTex.mapIdx); extTex.mapIdx, extTex.mapIdx);
} }
std::string retval = std::string(glslVer) + "\n" BOO_GLSL_BINDING_HEAD + std::string retval = std::string(glslVer) +
"\n#extension GL_ARB_shader_image_load_store: enable\n" BOO_GLSL_BINDING_HEAD +
GenerateVertToFragStruct(extTexCount) + GenerateVertToFragStruct(extTexCount) +
(!alphaTest ?
"\n#ifdef GL_ARB_shader_image_load_store\n"
"layout(early_fragment_tests) in;\n"
"#endif\n" : "") +
"\nlayout(location=0) out vec4 colorOut;\n" + "\nlayout(location=0) out vec4 colorOut;\n" +
texMapDecl + texMapDecl +
"SBINDING(0) in VertToFrag vtf;\n\n" + "SBINDING(0) in VertToFrag vtf;\n\n" +