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Support GL_ARB_fragment_shader_interlock

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This commit is contained in:
Jeff Bolz 2019-06-03 11:33:50 -05:00
parent a549bb8175
commit c6f0ce8dbc
19 changed files with 336 additions and 5 deletions
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29
glslang/Include/Types.h
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@ -422,6 +422,18 @@ enum TBlendEquationShift {
EBlendCount
};
enum TInterlockOrdering {
EioNone,
EioPixelInterlockOrdered,
EioPixelInterlockUnordered,
EioSampleInterlockOrdered,
EioSampleInterlockUnordered,
EioShadingRateInterlockOrdered,
EioShadingRateInterlockUnordered,
EioCount,
};
class TQualifier {
public:
static const int layoutNotSet = -1;
@ -1110,6 +1122,18 @@ public:
default: return 0;
}
}
static const char* getInterlockOrderingString(TInterlockOrdering order)
{
switch (order) {
case EioPixelInterlockOrdered: return "pixel_interlock_ordered";
case EioPixelInterlockUnordered: return "pixel_interlock_unordered";
case EioSampleInterlockOrdered: return "sample_interlock_ordered";
case EioSampleInterlockUnordered: return "sample_interlock_unordered";
case EioShadingRateInterlockOrdered: return "shading_rate_interlock_ordered";
case EioShadingRateInterlockUnordered: return "shading_rate_interlock_unordered";
default: return "none";
}
}
};
// Qualifiers that don't need to be keep per object. They have shader scope, not object scope.
@ -1130,6 +1154,7 @@ struct TShaderQualifiers {
TLayoutDepth layoutDepth;
bool blendEquation; // true if any blend equation was specified
int numViews; // multiview extenstions
TInterlockOrdering interlockOrdering;
#ifdef NV_EXTENSIONS
bool layoutOverrideCoverage; // true if layout override_coverage set
@ -1165,6 +1190,7 @@ struct TShaderQualifiers {
layoutDerivativeGroupLinear = false;
primitives = TQualifier::layoutNotSet;
#endif
interlockOrdering = EioNone;
}
// Merge in characteristics from the 'src' qualifier. They can override when
@ -1215,6 +1241,9 @@ struct TShaderQualifiers {
if (src.primitives != TQualifier::layoutNotSet)
primitives = src.primitives;
#endif
if (src.interlockOrdering != EioNone)
interlockOrdering = src.interlockOrdering;
}
};