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Support align/offset for all versions GLSL/ESSL targeting SPIR-V.

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This commit is contained in:
John Kessenich 2017-02-13 09:09:04 -07:00
parent e4e8f7b7a3
commit 7225a1cb1e
6 changed files with 20 additions and 14 deletions
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2
Test/baseResults/spv.140.frag.out
View File

@ -54,7 +54,7 @@ spv.140.frag
MemberDecorate 87(bn) 3 Offset 576
MemberDecorate 87(bn) 3 MatrixStride 16
MemberDecorate 87(bn) 4 RowMajor
MemberDecorate 87(bn) 4 Offset 640
MemberDecorate 87(bn) 4 Offset 1024
MemberDecorate 87(bn) 4 MatrixStride 16
Decorate 87(bn) Block
Decorate 89 DescriptorSet 0

2
Test/baseResults/spv.300layout.vert.out
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@ -61,7 +61,7 @@ Warning, version 310 is not yet complete; most version-specific features are pre
MemberDecorate 45(T3) 2 ColMajor
MemberDecorate 45(T3) 2 Offset 128
MemberDecorate 45(T3) 2 MatrixStride 16
MemberDecorate 45(T3) 3 Offset 160
MemberDecorate 45(T3) 3 Offset 2048
Decorate 45(T3) Block
Decorate 47 DescriptorSet 0
MemberDecorate 78(T2) 0 Offset 0

2
Test/spv.140.frag
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@ -14,7 +14,7 @@ layout(std140) uniform bn {
layout(column_major) mat4 matca[4];
layout(row_major) mat4 matr;
layout(column_major) mat4 matc;
mat4 matrdef;
layout(align=512, offset=1024) mat4 matrdef;
};
uniform sampler2DRect sampR;

2
Test/spv.300layout.vert
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@ -25,7 +25,7 @@ layout(column_major) uniform T3 { // shared and column_major
mat4 M3; // column_major
layout(row_major) mat4 M4; // row major
mat2x3 N2; // column_major
uvec3 uv3a[4];
layout(align=16, offset=2048) uvec3 uv3a[4];
};
in uint uiuin;

4
glslang/Include/revision.h
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@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "Overload400-PrecQual.1825"
#define GLSLANG_DATE "10-Feb-2017"
#define GLSLANG_REVISION "Overload400-PrecQual.1828"
#define GLSLANG_DATE "13-Feb-2017"

6
glslang/MachineIndependent/ParseHelper.cpp
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@ -4008,16 +4008,20 @@ void TParseContext::setLayoutQualifier(const TSourceLoc& loc, TPublicType& publi
// - uniform offsets
// - atomic_uint offsets
const char* feature = "offset";
if (spvVersion.spv == 0) {
requireProfile(loc, EEsProfile | ECoreProfile | ECompatibilityProfile, feature);
const char* exts[2] = { E_GL_ARB_enhanced_layouts, E_GL_ARB_shader_atomic_counters };
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 420, 2, exts, feature);
profileRequires(loc, EEsProfile, 310, nullptr, feature);
}
publicType.qualifier.layoutOffset = value;
return;
} else if (id == "align") {
const char* feature = "uniform buffer-member align";
if (spvVersion.spv == 0) {
requireProfile(loc, ECoreProfile | ECompatibilityProfile, feature);
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 440, E_GL_ARB_enhanced_layouts, feature);
}
// "The specified alignment must be a power of 2, or a compile-time error results."
if (! IsPow2(value))
error(loc, "must be a power of 2", "align", "");
@ -5546,9 +5550,11 @@ void TParseContext::declareBlock(const TSourceLoc& loc, TTypeList& typeList, con
if (memberType.isArray())
arrayUnsizedCheck(memberLoc, currentBlockQualifier, &memberType.getArraySizes(), false, member == typeList.size() - 1);
if (memberQualifier.hasOffset()) {
if (spvVersion.spv == 0) {
requireProfile(memberLoc, ~EEsProfile, "offset on block member");
profileRequires(memberLoc, ~EEsProfile, 440, E_GL_ARB_enhanced_layouts, "offset on block member");
}
}
if (memberType.containsOpaque())
error(memberLoc, "member of block cannot be or contain a sampler, image, or atomic_uint type", typeList[member].type->getFieldName().c_str(), "");