Front-end "pure" built-in TOperator: Finish adding full support, but still turned off.
This is to avoid all need to do text comparison of built-in function names when consuming the AST. All built-in functions get enumerants. Will want to turn on soon. See PureOperatorBuiltins. See issue #8.
This commit is contained in:
parent
e88217b7d8
commit
ef676b0a59
@ -59,7 +59,7 @@ void main()
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v = textureLod(s2DArray, c3D, 1.2);
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f = textureOffset(s2DShadow, c3D, ic2D, c1D); // ERROR, offset argument not constant
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v = texelFetch(s3D, ic3D, ic1D);
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v = texelFetchOffset(arrayedSampler[2], ic2D, 4, ic2D);
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v = texelFetchOffset(arrayedSampler[2], ic2D, 4, ic2D); // ERROR, offset argument not constant
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f = textureLodOffset(s2DShadow, c3D, c1D, ic2D);
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v = textureProjLodOffset(s2D, c3D, c1D, ic2D);
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v = textureGrad(sCube, c3D, c3D, c3D);
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@ -49,7 +49,9 @@ Shader version: 430
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0:43 'ic2D' (flat in 2-component vector of int)
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0:43 Constant:
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0:43 4 (const int)
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0:43 'ic2D' (flat in 2-component vector of int)
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0:43 Constant:
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0:43 3 (const int)
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0:43 3 (const int)
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0:44 add second child into first child (temp float)
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0:44 direct index (temp float)
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0:44 'v' (temp 4-component vector of float)
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@ -301,7 +303,9 @@ Shader version: 430
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0:43 'ic2D' (flat in 2-component vector of int)
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0:43 Constant:
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0:43 4 (const int)
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0:43 'ic2D' (flat in 2-component vector of int)
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0:43 Constant:
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0:43 3 (const int)
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0:43 3 (const int)
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0:44 add second child into first child (temp float)
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0:44 direct index (temp float)
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0:44 'v' (temp 4-component vector of float)
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@ -40,7 +40,7 @@ void main()
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v += textureLod(s2DArray, c3D, 1.2);
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v.y += textureOffset(s2DShadow, c3D, ivec2(3), c1D);
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v += texelFetch(s3D, ic3D, ic1D);
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v += texelFetchOffset(s2D, ic2D, 4, ic2D);
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v += texelFetchOffset(s2D, ic2D, 4, ivec2(3));
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v.y += textureLodOffset(s2DShadow, c3D, c1D, ivec2(3));
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v += textureProjLodOffset(s2D, c3D, c1D, ivec2(3));
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v += textureGrad(sCube, c3D, c3D, c3D);
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@ -38,7 +38,7 @@ void main()
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v += textureLod(s2DArray, c3D, 1.2);
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v.y += textureOffset(s2DShadow, c3D, ivec2(3), c1D);
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v += texelFetch(s3D, ic3D, ic1D);
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v += texelFetchOffset(s2D, ic2D, 4, ic2D);
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v += texelFetchOffset(s2D, ic2D, 4, ivec2(3));
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v.y += textureLodOffset(s2DShadow, c3D, c1D, ivec2(3));
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v += textureProjLodOffset(s2D, c3D, c1D, ivec2(3));
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v += textureGrad(sCube, c3D, c3D, c3D);
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@ -2,5 +2,5 @@
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// For the version, it uses the latest git tag followed by the number of commits.
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// For the date, it uses the current date (when then script is run).
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#define GLSLANG_REVISION "2.3.723"
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#define GLSLANG_REVISION "2.3.725"
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#define GLSLANG_DATE "18-Aug-2015"
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@ -59,7 +59,7 @@ bool ARBCompatibility = true;
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const bool ForwardCompatibility = false;
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// change this back to false if depending on textual spellings of texturing calls when consuming the AST
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const bool PureOperatorBuiltins = false;
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bool PureOperatorBuiltins = false;
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inline bool IncludeLegacy(int version, EProfile profile)
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{
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@ -3097,7 +3097,7 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
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//
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// Next, identify which built-ins have a mapping to an operator.
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// Those that are not identified as such are
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// If PureOperatorBuiltins is false, those that are not identified as such are
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// expected to be resolved through a library of functions, versus as
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// operations.
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//
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@ -3267,30 +3267,59 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
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symbolTable.relateToOperator("textureGatherOffset", EOpTextureGatherOffset);
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symbolTable.relateToOperator("textureGatherOffsets", EOpTextureGatherOffsets);
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if (IncludeLegacy(version, profile)) {
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// TBD: add ftransform(), any others?
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symbolTable.relateToOperator("texture1D", EOpTexture);
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symbolTable.relateToOperator("texture1DProj", EOpTextureProj);
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symbolTable.relateToOperator("texture1DLod", EOpTextureLod);
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symbolTable.relateToOperator("texture1DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("texture2D", EOpTexture);
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symbolTable.relateToOperator("texture2DProj", EOpTextureProj);
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symbolTable.relateToOperator("texture2DLod", EOpTextureLod);
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symbolTable.relateToOperator("texture2DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("texture3D", EOpTexture);
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symbolTable.relateToOperator("texture3DProj", EOpTextureProj);
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symbolTable.relateToOperator("texture3DLod", EOpTextureLod);
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symbolTable.relateToOperator("texture3DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("textureCube", EOpTexture);
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symbolTable.relateToOperator("textureCubeLod", EOpTextureLod);
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symbolTable.relateToOperator("shadow1D", EOpTexture);
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symbolTable.relateToOperator("shadow2D", EOpTexture);
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symbolTable.relateToOperator("shadow1DProj", EOpTextureProj);
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symbolTable.relateToOperator("shadow2DProj", EOpTextureProj);
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symbolTable.relateToOperator("shadow1DLod", EOpTextureLod);
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symbolTable.relateToOperator("shadow2DLod", EOpTextureLod);
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symbolTable.relateToOperator("shadow1DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("shadow2DProjLod", EOpTextureProjLod);
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if (IncludeLegacy(version, profile) || (profile == EEsProfile && version == 100)) {
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symbolTable.relateToOperator("ftransform", EOpFtransform);
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symbolTable.relateToOperator("texture1D", EOpTexture);
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symbolTable.relateToOperator("texture1DGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("texture1DProj", EOpTextureProj);
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symbolTable.relateToOperator("texture1DProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("texture1DLod", EOpTextureLod);
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symbolTable.relateToOperator("texture1DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("texture2DRect", EOpTexture);
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symbolTable.relateToOperator("texture2DRectProj", EOpTextureProj);
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symbolTable.relateToOperator("texture2DRectGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("texture2DRectProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("shadow2DRect", EOpTexture);
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symbolTable.relateToOperator("shadow2DRectProj", EOpTextureProj);
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symbolTable.relateToOperator("shadow2DRectGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("shadow2DRectProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("texture2D", EOpTexture);
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symbolTable.relateToOperator("texture2DProj", EOpTextureProj);
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symbolTable.relateToOperator("texture2DGradEXT", EOpTextureGrad);
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symbolTable.relateToOperator("texture2DGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("texture2DProjGradEXT", EOpTextureProjGrad);
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symbolTable.relateToOperator("texture2DProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("texture2DLod", EOpTextureLod);
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symbolTable.relateToOperator("texture2DLodEXT", EOpTextureLod);
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symbolTable.relateToOperator("texture2DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("texture2DProjLodEXT", EOpTextureProjLod);
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symbolTable.relateToOperator("texture3D", EOpTexture);
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symbolTable.relateToOperator("texture3DGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("texture3DProj", EOpTextureProj);
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symbolTable.relateToOperator("texture3DProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("texture3DLod", EOpTextureLod);
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symbolTable.relateToOperator("texture3DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("textureCube", EOpTexture);
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symbolTable.relateToOperator("textureCubeGradEXT", EOpTextureGrad);
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symbolTable.relateToOperator("textureCubeGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("textureCubeLod", EOpTextureLod);
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symbolTable.relateToOperator("textureCubeLodEXT", EOpTextureLod);
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symbolTable.relateToOperator("shadow1D", EOpTexture);
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symbolTable.relateToOperator("shadow1DGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("shadow2D", EOpTexture);
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symbolTable.relateToOperator("shadow2DGradARB", EOpTextureGrad);
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symbolTable.relateToOperator("shadow1DProj", EOpTextureProj);
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symbolTable.relateToOperator("shadow2DProj", EOpTextureProj);
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symbolTable.relateToOperator("shadow1DProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("shadow2DProjGradARB", EOpTextureProjGrad);
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symbolTable.relateToOperator("shadow1DLod", EOpTextureLod);
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symbolTable.relateToOperator("shadow2DLod", EOpTextureLod);
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symbolTable.relateToOperator("shadow1DProjLod", EOpTextureProjLod);
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symbolTable.relateToOperator("shadow2DProjLod", EOpTextureProjLod);
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}
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}
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@ -1107,11 +1107,14 @@ TIntermTyped* TParseContext::handleFunctionCall(const TSourceLoc& loc, TFunction
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result = intermediate.addBuiltInFunctionCall(loc, op, fnCandidate->getParamCount() == 1, arguments, fnCandidate->getType());
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if (result == nullptr) {
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error(arguments->getLoc(), " wrong operand type", "Internal Error",
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"built in unary operator function. Type: %s",
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static_cast<TIntermTyped*>(arguments)->getCompleteString().c_str());
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"built in unary operator function. Type: %s",
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static_cast<TIntermTyped*>(arguments)->getCompleteString().c_str());
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} else if (result->getAsOperator()) {
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builtInOpCheck(loc, *fnCandidate, *result->getAsOperator());
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}
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} else {
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// This is a function call not mapped to built-in operator, but it could still be a built-in function
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// This is a function call not mapped to built-in operator.
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// It could still be a built-in function, but only if PureOperatorBuiltins == false.
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result = intermediate.setAggregateOperator(arguments, EOpFunctionCall, fnCandidate->getType(), loc);
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TIntermAggregate* call = result->getAsAggregate();
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call->setName(fnCandidate->getMangledName());
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@ -1324,6 +1327,173 @@ TIntermTyped* TParseContext::addOutputArgumentConversions(const TFunction& funct
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return conversionTree;
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}
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//
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// Do additional checking of built-in function calls that is not caught
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// by normal semantic checks on argument type, extension tagging, etc.
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//
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// Assumes there has been a semantically correct match to a built-in function prototype.
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//
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void TParseContext::builtInOpCheck(const TSourceLoc& loc, const TFunction& fnCandidate, TIntermOperator& callNode)
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{
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// Set up convenience accessors to the argument(s). There is almost always
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// multiple arguments for the cases below, but when there might be one,
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// check the unaryArg first.
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const TIntermSequence* argp = nullptr; // confusing to use [] syntax on a pointer, so this is to help get a reference
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const TIntermTyped* unaryArg = nullptr;
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const TIntermTyped* arg0 = nullptr;
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if (callNode.getAsAggregate()) {
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argp = &callNode.getAsAggregate()->getSequence();
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if (argp->size() > 0)
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arg0 = (*argp)[0]->getAsTyped();
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} else {
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assert(callNode.getAsUnaryNode());
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unaryArg = callNode.getAsUnaryNode()->getOperand();
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arg0 = unaryArg;
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}
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const TIntermSequence& aggArgs = *argp; // only valid when unaryArg is nullptr
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// built-in texturing functions get their return value precision from the precision of the sampler
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if (fnCandidate.getType().getQualifier().precision == EpqNone &&
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fnCandidate.getParamCount() > 0 && fnCandidate[0].type->getBasicType() == EbtSampler)
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callNode.getQualifier().precision = arg0->getQualifier().precision;
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switch (callNode.getOp()) {
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case EOpTextureGather:
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case EOpTextureGatherOffset:
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case EOpTextureGatherOffsets:
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{
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// Figure out which variants are allowed by what extensions,
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// and what arguments must be constant for which situations.
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TString featureString = fnCandidate.getName() + "(...)";
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const char* feature = featureString.c_str();
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profileRequires(loc, EEsProfile, 310, nullptr, feature);
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int compArg = -1; // track which argument, if any, is the constant component argument
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switch (callNode.getOp()) {
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case EOpTextureGather:
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// More than two arguments needs gpu_shader5, and rectangular or shadow needs gpu_shader5,
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// otherwise, need GL_ARB_texture_gather.
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if (fnCandidate.getParamCount() > 2 || fnCandidate[0].type->getSampler().dim == EsdRect || fnCandidate[0].type->getSampler().shadow) {
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profileRequires(loc, ~EEsProfile, 400, E_GL_ARB_gpu_shader5, feature);
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if (! fnCandidate[0].type->getSampler().shadow)
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compArg = 2;
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} else
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profileRequires(loc, ~EEsProfile, 400, E_GL_ARB_texture_gather, feature);
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break;
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case EOpTextureGatherOffset:
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// GL_ARB_texture_gather is good enough for 2D non-shadow textures with no component argument
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if (fnCandidate[0].type->getSampler().dim == Esd2D && ! fnCandidate[0].type->getSampler().shadow && fnCandidate.getParamCount() == 3)
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profileRequires(loc, ~EEsProfile, 400, E_GL_ARB_texture_gather, feature);
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else
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profileRequires(loc, ~EEsProfile, 400, E_GL_ARB_gpu_shader5, feature);
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if (! aggArgs[fnCandidate[0].type->getSampler().shadow ? 3 : 2]->getAsConstantUnion())
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profileRequires(loc, EEsProfile, 0, Num_AEP_gpu_shader5, AEP_gpu_shader5, "non-constant offset argument");
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if (! fnCandidate[0].type->getSampler().shadow)
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compArg = 3;
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break;
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case EOpTextureGatherOffsets:
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profileRequires(loc, ~EEsProfile, 400, E_GL_ARB_gpu_shader5, feature);
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if (! fnCandidate[0].type->getSampler().shadow)
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compArg = 3;
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// check for constant offsets
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if (! aggArgs[fnCandidate[0].type->getSampler().shadow ? 3 : 2]->getAsConstantUnion())
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error(loc, "must be a compile-time constant:", feature, "offsets argument");
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break;
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default:
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break;
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}
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if (compArg > 0 && compArg < fnCandidate.getParamCount()) {
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if (aggArgs[compArg]->getAsConstantUnion()) {
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int value = aggArgs[compArg]->getAsConstantUnion()->getConstArray()[0].getIConst();
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if (value < 0 || value > 3)
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error(loc, "must be 0, 1, 2, or 3:", feature, "component argument");
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} else
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error(loc, "must be a compile-time constant:", feature, "component argument");
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}
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break;
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}
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case EOpTextureOffset:
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case EOpTextureFetchOffset:
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case EOpTextureProjOffset:
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case EOpTextureLodOffset:
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case EOpTextureProjLodOffset:
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case EOpTextureGradOffset:
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case EOpTextureProjGradOffset:
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{
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// Handle texture-offset limits checking
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// Pick which argument has to hold constant offsets
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int arg = -1;
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switch (callNode.getOp()) {
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case EOpTextureOffset: arg = 2; break;
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case EOpTextureFetchOffset: arg = 3; break;
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case EOpTextureProjOffset: arg = 2; break;
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case EOpTextureLodOffset: arg = 3; break;
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case EOpTextureProjLodOffset: arg = 3; break;
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case EOpTextureGradOffset: arg = 4; break;
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case EOpTextureProjGradOffset: arg = 4; break;
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default:
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assert(0);
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break;
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}
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if (arg > 0) {
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if (! aggArgs[arg]->getAsConstantUnion())
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error(loc, "argument must be compile-time constant", "texel offset", "");
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else {
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const TType& type = aggArgs[arg]->getAsTyped()->getType();
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for (int c = 0; c < type.getVectorSize(); ++c) {
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int offset = aggArgs[arg]->getAsConstantUnion()->getConstArray()[c].getIConst();
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if (offset > resources.maxProgramTexelOffset || offset < resources.minProgramTexelOffset)
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error(loc, "value is out of range:", "texel offset", "[gl_MinProgramTexelOffset, gl_MaxProgramTexelOffset]");
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}
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}
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}
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break;
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}
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case EOpTextureQuerySamples:
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case EOpImageQuerySamples:
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// GL_ARB_shader_texture_image_samples
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profileRequires(loc, ~EEsProfile, 450, E_GL_ARB_shader_texture_image_samples, "textureSamples and imageSamples");
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break;
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case EOpImageAtomicAdd:
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case EOpImageAtomicMin:
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case EOpImageAtomicMax:
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case EOpImageAtomicAnd:
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case EOpImageAtomicOr:
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case EOpImageAtomicXor:
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case EOpImageAtomicExchange:
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case EOpImageAtomicCompSwap:
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{
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// Make sure the image types have the correct layout() format and correct argument types
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const TType& imageType = arg0->getType();
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if (imageType.getSampler().type == EbtInt || imageType.getSampler().type == EbtUint) {
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if (imageType.getQualifier().layoutFormat != ElfR32i && imageType.getQualifier().layoutFormat != ElfR32ui)
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error(loc, "only supported on image with format r32i or r32ui", fnCandidate.getName().c_str(), "");
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} else {
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if (fnCandidate.getName().compare(0, 19, "imageAtomicExchange") != 0)
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error(loc, "only supported on integer images", fnCandidate.getName().c_str(), "");
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else if (imageType.getQualifier().layoutFormat != ElfR32f && profile == EEsProfile)
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error(loc, "only supported on image with format r32f", fnCandidate.getName().c_str(), "");
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}
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break;
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}
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default:
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break;
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}
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}
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extern bool PureOperatorBuiltins;
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// Deprecated! Use PureOperatorBuiltins == true instead, in which case this
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// functionality is handled in builtInOpCheck() instead of here.
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//
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// Do additional checking of built-in function calls that were not mapped
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// to built-in operations (e.g., texturing functions).
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@ -1332,10 +1502,18 @@ TIntermTyped* TParseContext::addOutputArgumentConversions(const TFunction& funct
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//
|
||||
void TParseContext::nonOpBuiltInCheck(const TSourceLoc& loc, const TFunction& fnCandidate, TIntermAggregate& callNode)
|
||||
{
|
||||
// Further maintainance of this function is deprecated, because the "correct"
|
||||
// future-oriented design is to not have to do string compares on function names.
|
||||
|
||||
// If PureOperatorBuiltins == true, then all built-ins should be mapped
|
||||
// to a TOperator, and this function would then never get called.
|
||||
|
||||
assert(PureOperatorBuiltins == false);
|
||||
|
||||
// built-in texturing functions get their return value precision from the precision of the sampler
|
||||
if (fnCandidate.getType().getQualifier().precision == EpqNone &&
|
||||
fnCandidate.getParamCount() > 0 && fnCandidate[0].type->getBasicType() == EbtSampler)
|
||||
callNode.getQualifier().precision = callNode.getAsAggregate()->getSequence()[0]->getAsTyped()->getQualifier().precision;
|
||||
callNode.getQualifier().precision = callNode.getSequence()[0]->getAsTyped()->getQualifier().precision;
|
||||
|
||||
if (fnCandidate.getName().compare(0, 7, "texture") == 0) {
|
||||
if (fnCandidate.getName().compare(0, 13, "textureGather") == 0) {
|
||||
|
@ -119,6 +119,7 @@ public:
|
||||
TIntermTyped* handleLengthMethod(const TSourceLoc&, TFunction*, TIntermNode*);
|
||||
void addInputArgumentConversions(const TFunction&, TIntermNode*&) const;
|
||||
TIntermTyped* addOutputArgumentConversions(const TFunction&, TIntermAggregate&) const;
|
||||
void builtInOpCheck(const TSourceLoc&, const TFunction&, TIntermOperator&);
|
||||
void nonOpBuiltInCheck(const TSourceLoc&, const TFunction&, TIntermAggregate&);
|
||||
TFunction* handleConstructorCall(const TSourceLoc&, const TPublicType&);
|
||||
|
||||
|
Loading…
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Reference in New Issue
Block a user