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Add support for SPV_NV_geometry_shader_passthrough

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This commit is contained in:
chaoc 2016-12-20 13:28:52 -08:00
parent 0ad6a4e60d
commit 6e5acae144
13 changed files with 153 additions and 8 deletions
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9
SPIRV/GLSL.ext.NV.h
View file

@ -32,11 +32,18 @@ enum Decoration;
enum Op;
static const int GLSLextNVVersion = 100;
static const int GLSLextNVRevision = 1;
static const int GLSLextNVRevision = 2;
//SPV_NV_sample_mask_override_coverage
const char* const E_SPV_NV_sample_mask_override_coverage = "SPV_NV_sample_mask_override_coverage";
static const Decoration OverrideCoverageNV = static_cast<Decoration>(5248);
//SPV_NV_geometry_shader_passthrough
const char* const E_SPV_NV_geometry_shader_passthrough = "SPV_NV_geometry_shader_passthrough";
static const Decoration PassthroughNV = static_cast<Decoration>(5250);
static const Capability GeometryShaderPassthroughNV = static_cast<Capability>(5251);
#endif // #ifndef GLSLextNV_H

5
SPIRV/GlslangToSpv.cpp
View file

@ -4738,6 +4738,11 @@ spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol
builder.addExtension(spv::E_SPV_NV_sample_mask_override_coverage);
}
}
if (symbol->getQualifier().layoutPassthrough) {
addDecoration(id, spv::PassthroughNV);
builder.addCapability(spv::GeometryShaderPassthroughNV);
builder.addExtension(spv::E_SPV_NV_geometry_shader_passthrough);
}
#endif
return id;

12
SPIRV/disassemble.cpp
View file

@ -481,7 +481,8 @@ void SpirvStream::disassembleInstruction(Id resultId, Id /*typeId*/, Op opCode,
extInstSet = GLSLextAMDInst;
#endif
#ifdef NV_EXTENSIONS
} else if (strcmp(spv::E_SPV_NV_sample_mask_override_coverage, name) == 0) {
}else if (strcmp(spv::E_SPV_NV_sample_mask_override_coverage, name) == 0 ||
strcmp(spv::E_SPV_NV_geometry_shader_passthrough, name) == 0) {
extInstSet = GLSLextNVInst;
#endif
}
@ -654,10 +655,13 @@ static const char* GLSLextAMDGetDebugNames(const char* name, unsigned entrypoint
#ifdef NV_EXTENSIONS
static const char* GLSLextNVGetDebugNames(const char* name, unsigned entrypoint)
{
if (strcmp(name, spv::E_SPV_NV_sample_mask_override_coverage) == 0) {
if (strcmp(name, spv::E_SPV_NV_sample_mask_override_coverage) == 0 ||
strcmp(name, spv::E_SPV_NV_geometry_shader_passthrough) == 0) {
switch (entrypoint) {
case OverrideCoverageNV: return "OverrideCoverageNV";
default: return "Bad";
case OverrideCoverageNV: return "OverrideCoverageNV";
case PassthroughNV: return "PassthroughNV";
case GeometryShaderPassthroughNV: return "GeometryShaderPassthroughNV";
default: return "Bad";
}
}
return "Bad";

6
SPIRV/doc.cpp
View file

@ -261,6 +261,7 @@ const char* DecorationString(int decoration)
#endif
#ifdef NV_EXTENSIONS
case 5248: return "OverrideCoverageNV";
case 5250: return "PassthroughNV";
#endif
}
}
@ -818,6 +819,11 @@ const char* CapabilityString(int info)
case 4423: return "SubgroupBallotKHR";
case 4427: return "DrawParameters";
#ifdef NV_EXTENSIONS
case 5251: return "GeometryShaderPassthroughNV";
#endif
}
}