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SPV/OpenGL: Require locations on non-opaque uniform variables.

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This commit is contained in:
John Kessenich 2017-07-21 13:36:33 -06:00
parent ab0086754e
commit 67eb497002
5 changed files with 26 additions and 13 deletions
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7
Test/baseResults/glspv.frag.out
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@ -1,9 +1,10 @@
glspv.frag
ERROR: 0:4: '#error' : GL_SPIRV is set ( correct , not an error )
ERROR: 0:6: '#error' : GL_SPIR is 100
ERROR: 0:14: 'input_attachment_index' : only allowed when using GLSL for Vulkan
ERROR: 0:14: '' : syntax error, unexpected IDENTIFIER, expecting LEFT_BRACE or COMMA or SEMICOLON
ERROR: 4 compilation errors. No code generated.
ERROR: 0:14: 'f' : non-opaque uniform variables need a layout(location=L)
ERROR: 0:19: 'input_attachment_index' : only allowed when using GLSL for Vulkan
ERROR: 0:19: '' : syntax error, unexpected IDENTIFIER, expecting LEFT_BRACE or COMMA or SEMICOLON
ERROR: 5 compilation errors. No code generated.
SPIR-V is not generated for failed compile or link

7
Test/glspv.frag
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@ -1,4 +1,4 @@
#version 330
#version 450
#ifdef GL_SPIRV
#error GL_SPIRV is set ( correct, not an error )
@ -11,4 +11,9 @@ void main()
{
}
uniform float f; // ERROR, no location
layout(location = 2) uniform float g;
uniform sampler2D s1;
layout(location = 3) uniform sampler2D s2;
layout(input_attachment_index = 1) uniform subpassInput sub; // ERROR, no inputs

5
Test/spv.targetOpenGL.vert
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@ -1,8 +1,9 @@
#version 450
layout(constant_id = 3) const int a = 2;
uniform float f;
layout(location = 2) uniform float f;
layout(location = 4) uniform sampler2D s1;
uniform sampler2D s2;
void main()
{

18
glslang/MachineIndependent/ParseHelper.cpp
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@ -2472,16 +2472,22 @@ void TParseContext::atomicUintCheck(const TSourceLoc& loc, const TType& type, co
error(loc, "atomic_uints can only be used in uniform variables or function parameters:", type.getBasicTypeString().c_str(), identifier.c_str());
}
void TParseContext::transparentCheck(const TSourceLoc& loc, const TType& type, const TString& /*identifier*/)
void TParseContext::transparentOpaqueCheck(const TSourceLoc& loc, const TType& type, const TString& identifier)
{
if (parsingBuiltins)
return;
// Vulkan doesn't allow transparent uniforms outside of blocks
if (spvVersion.vulkan == 0 || type.getQualifier().storage != EvqUniform)
if (type.getQualifier().storage != EvqUniform)
return;
if (type.containsNonOpaque())
vulkanRemoved(loc, "non-opaque uniforms outside a block");
if (type.containsNonOpaque()) {
// Vulkan doesn't allow transparent uniforms outside of blocks
if (spvVersion.vulkan > 0)
vulkanRemoved(loc, "non-opaque uniforms outside a block");
// OpenGL wants locations on these
if (spvVersion.openGl > 0 && !type.getQualifier().hasLocation())
error(loc, "non-opaque uniform variables need a layout(location=L)", identifier.c_str(), "");
}
}
//
@ -5107,7 +5113,7 @@ TIntermNode* TParseContext::declareVariable(const TSourceLoc& loc, TString& iden
samplerCheck(loc, type, identifier, initializer);
atomicUintCheck(loc, type, identifier);
transparentCheck(loc, type, identifier);
transparentOpaqueCheck(loc, type, identifier);
if (identifier != "gl_FragCoord" && (publicType.shaderQualifiers.originUpperLeft || publicType.shaderQualifiers.pixelCenterInteger))
error(loc, "can only apply origin_upper_left and pixel_center_origin to gl_FragCoord", "layout qualifier", "");

2
glslang/MachineIndependent/ParseHelper.h
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@ -327,7 +327,7 @@ public:
void boolCheck(const TSourceLoc&, const TPublicType&);
void samplerCheck(const TSourceLoc&, const TType&, const TString& identifier, TIntermTyped* initializer);
void atomicUintCheck(const TSourceLoc&, const TType&, const TString& identifier);
void transparentCheck(const TSourceLoc&, const TType&, const TString& identifier);
void transparentOpaqueCheck(const TSourceLoc&, const TType&, const TString& identifier);
void globalQualifierFixCheck(const TSourceLoc&, TQualifier&);
void globalQualifierTypeCheck(const TSourceLoc&, const TQualifier&, const TPublicType&);
bool structQualifierErrorCheck(const TSourceLoc&, const TPublicType& pType);