BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implement GL_KHR_blend_equation_advanced.

Browse source
This commit is contained in:
John Kessenich 2015-08-30 05:43:51 -06:00
parent d6c37b190b
commit c8b2e36f52
8 changed files with 148 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

25
glslang/MachineIndependent/ParseHelper.cpp
View file

@ -2379,6 +2379,9 @@ void TParseContext::globalQualifierTypeCheck(const TSourceLoc& loc, const TQuali
if (qualifier.storage != EvqVaryingIn && qualifier.storage != EvqVaryingOut)
return;
if (publicType.shaderQualifiers.blendEquation)
error(loc, "can only be applied to a standalone 'out'", "blend equation", "");
// now, knowing it is a shader in/out, do all the in/out semantic checks
if (publicType.basicType == EbtBool) {
@ -3694,6 +3697,21 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
return;
}
}
if (id.compare(0, 13, "blend_support") == 0) {
bool found = false;
for (TBlendEquationShift be = (TBlendEquationShift)0; be < EBlendCount; be = (TBlendEquationShift)(be + 1)) {
if (id == TQualifier::getBlendEquationString(be)) {
requireExtensions(loc, 1, &E_GL_KHR_blend_equation_advanced, "blend equation");
intermediate.addBlendEquation(be);
publicType.shaderQualifiers.blendEquation = true;
found = true;
break;
}
}
if (! found)
error(loc, "unknown blend equation", "blend_support", "");
return;
}
}
error(loc, "unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)", id.c_str(), "");
}
@ -4232,6 +4250,9 @@ void TParseContext::checkNoShaderLayouts(const TSourceLoc& loc, const TShaderQua
if (shaderQualifiers.localSize[i] > 1)
error(loc, message, "local_size", "");
}
if (shaderQualifiers.blendEquation)
error(loc, message, "blend equation", "");
// TBD: correctness: are any of these missing? pixelCenterInteger, originUpperLeft, spacing, order, pointmode, earlyfragment, depth
}
// Correct and/or advance an object's offset layout qualifier.
@ -5480,6 +5501,10 @@ void TParseContext::updateStandaloneQualifierDefaults(const TSourceLoc& loc, con
else
error(loc, "can only apply to 'in'", "early_fragment_tests", "");
}
if (publicType.shaderQualifiers.blendEquation) {
if (publicType.qualifier.storage != EvqVaryingOut)
error(loc, "can only apply to 'out'", "blend equation", "");
}
const TQualifier& qualifier = publicType.qualifier;