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Add SPV_AMD_shader_early_and_late_fragment_tests

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This commit is contained in:
dwang102 2022-07-15 14:36:03 +08:00
parent 68c1880c09
commit 070863af69
14 changed files with 207 additions and 22 deletions
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44
glslang/MachineIndependent/ParseHelper.cpp
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@ -2988,6 +2988,12 @@ bool TParseContext::lValueErrorCheck(const TSourceLoc& loc, const char* op, TInt
if (isEsProfile() && intermediate.getEarlyFragmentTests())
message = "can't modify gl_FragDepth if using early_fragment_tests";
break;
case EvqFragStencil:
intermediate.setStencilReplacing();
// "In addition, it is an error to statically write to gl_FragDepth in the fragment shader."
if (isEsProfile() && intermediate.getEarlyFragmentTests())
message = "can't modify EvqFragStencil if using early_fragment_tests";
break;
default:
break;
@ -4709,10 +4715,22 @@ TSymbol* TParseContext::redeclareBuiltinVariable(const TSourceLoc& loc, const TS
if (! intermediate.setDepth(publicType.layoutDepth))
error(loc, "all redeclarations must use the same depth layout on", "redeclaration", symbol->getName().c_str());
}
} else if (identifier == "gl_FragStencilRefARB") {
if (qualifier.nopersp != symbolQualifier.nopersp || qualifier.flat != symbolQualifier.flat ||
qualifier.isMemory() || qualifier.isAuxiliary())
error(loc, "can only change layout qualification of", "redeclaration", symbol->getName().c_str());
if (qualifier.storage != EvqVaryingOut)
error(loc, "cannot change output storage qualification of", "redeclaration", symbol->getName().c_str());
if (publicType.layoutStencil != ElsNone) {
if (intermediate.inIoAccessed("gl_FragStencilRefARB"))
error(loc, "cannot redeclare after use", "gl_FragStencilRefARB", "");
if (!intermediate.setStencil(publicType.layoutStencil))
error(loc, "all redeclarations must use the same stencil layout on", "redeclaration",
symbol->getName().c_str());
}
}
else if (
identifier == "gl_PrimitiveIndicesNV" ||
identifier == "gl_FragStencilRefARB") {
identifier == "gl_PrimitiveIndicesNV") {
if (qualifier.hasLayout())
error(loc, "cannot apply layout qualifier to", "redeclaration", symbol->getName().c_str());
if (qualifier.storage != EvqVaryingOut)
@ -5546,6 +5564,12 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
publicType.shaderQualifiers.earlyFragmentTests = true;
return;
}
if (id == "early_and_late_fragment_tests_amd") {
profileRequires(loc, ENoProfile | ECoreProfile | ECompatibilityProfile, 420, E_GL_AMD_shader_early_and_late_fragment_tests, "early_and_late_fragment_tests_amd");
profileRequires(loc, EEsProfile, 310, nullptr, "early_and_late_fragment_tests_amd");
publicType.shaderQualifiers.earlyAndLateFragmentTestsAMD = true;
return;
}
if (id == "post_depth_coverage") {
requireExtensions(loc, Num_post_depth_coverageEXTs, post_depth_coverageEXTs, "post depth coverage");
if (extensionTurnedOn(E_GL_ARB_post_depth_coverage)) {
@ -5562,6 +5586,14 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
return;
}
}
for (TLayoutStencil stencil = (TLayoutStencil)(ElsNone + 1); stencil < ElsCount; stencil = (TLayoutStencil)(stencil+1)) {
if (id == TQualifier::getLayoutStencilString(stencil)) {
requireProfile(loc, ECoreProfile | ECompatibilityProfile, "stencil layout qualifier");
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 420, nullptr, "stencil layout qualifier");
publicType.shaderQualifiers.layoutStencil = stencil;
return;
}
}
for (TInterlockOrdering order = (TInterlockOrdering)(EioNone + 1); order < EioCount; order = (TInterlockOrdering)(order+1)) {
if (id == TQualifier::getInterlockOrderingString(order)) {
requireProfile(loc, ECoreProfile | ECompatibilityProfile, "fragment shader interlock layout qualifier");
@ -7259,6 +7291,8 @@ TIntermNode* TParseContext::declareVariable(const TSourceLoc& loc, TString& iden
error(loc, "can only apply origin_upper_left and pixel_center_origin to gl_FragCoord", "layout qualifier", "");
if (identifier != "gl_FragDepth" && publicType.shaderQualifiers.getDepth() != EldNone)
error(loc, "can only apply depth layout to gl_FragDepth", "layout qualifier", "");
if (identifier != "gl_FragStencilRefARB" && publicType.shaderQualifiers.getStencil() != ElsNone)
error(loc, "can only apply depth layout to gl_FragStencilRefARB", "layout qualifier", "");
// Check for redeclaration of built-ins and/or attempting to declare a reserved name
TSymbol* symbol = redeclareBuiltinVariable(loc, identifier, type.getQualifier(), publicType.shaderQualifiers);
@ -9091,6 +9125,12 @@ void TParseContext::updateStandaloneQualifierDefaults(const TSourceLoc& loc, con
else
error(loc, "can only apply to 'in'", "early_fragment_tests", "");
}
if (publicType.shaderQualifiers.earlyAndLateFragmentTestsAMD) {
if (publicType.qualifier.storage == EvqVaryingIn)
intermediate.setEarlyAndLateFragmentTestsAMD();
else
error(loc, "can only apply to 'in'", "early_and_late_fragment_tests_amd", "");
}
if (publicType.shaderQualifiers.postDepthCoverage) {
if (publicType.qualifier.storage == EvqVaryingIn)
intermediate.setPostDepthCoverage();