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Add-support-for-SPV_NV_shading_rate

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This commit is contained in:
Chao Chen 2018-09-19 11:43:21 -07:00
parent b50c02ef53
commit 5b2203db04
10 changed files with 93 additions and 1 deletions
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5
SPIRV/GLSL.ext.NV.h
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@ -33,7 +33,7 @@ enum Op;
enum Capability;
static const int GLSLextNVVersion = 100;
static const int GLSLextNVRevision = 10;
static const int GLSLextNVRevision = 11;
//SPV_NV_sample_mask_override_coverage
const char* const E_SPV_NV_sample_mask_override_coverage = "SPV_NV_sample_mask_override_coverage";
@ -69,4 +69,7 @@ const char* const E_SPV_NV_mesh_shader = "SPV_NV_mesh_shader";
//SPV_NVX_raytracing
const char* const E_SPV_NVX_raytracing = "SPV_NVX_raytracing";
//SPV_NV_shading_rate
const char* const E_SPV_NV_shading_rate = "SPV_NV_shading_rate";
#endif // #ifndef GLSLextNV_H

8
SPIRV/GlslangToSpv.cpp
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@ -864,6 +864,14 @@ spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltI
builder.addExtension(spv::E_SPV_EXT_fragment_fully_covered);
builder.addCapability(spv::CapabilityFragmentFullyCoveredEXT);
return spv::BuiltInFullyCoveredEXT;
case glslang::EbvFragmentSizeNV:
builder.addExtension(spv::E_SPV_NV_shading_rate);
builder.addCapability(spv::CapabilityShadingRateNV);
return spv::BuiltInFragmentSizeNV;
case glslang::EbvInvocationsPerPixelNV:
builder.addExtension(spv::E_SPV_NV_shading_rate);
builder.addCapability(spv::CapabilityShadingRateNV);
return spv::BuiltInInvocationsPerPixelNV;
// raytracing
case glslang::EbvLaunchIdNV:

3
SPIRV/doc.cpp
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@ -385,6 +385,8 @@ const char* BuiltInString(int builtIn)
case BuiltInSecondaryViewportMaskNV: return "SecondaryViewportMaskNV";
case BuiltInPositionPerViewNV: return "PositionPerViewNV";
case BuiltInViewportMaskPerViewNV: return "ViewportMaskPerViewNV";
case BuiltInFragmentSizeNV: return "FragmentSizeNV";
case BuiltInInvocationsPerPixelNV: return "InvocationsPerPixelNV";
case BuiltInBaryCoordNV: return "BaryCoordNV";
case BuiltInBaryCoordNoPerspNV: return "BaryCoordNoPerspNV";
#endif
@ -892,6 +894,7 @@ const char* CapabilityString(int info)
case CapabilityComputeDerivativeGroupLinearNV: return "ComputeDerivativeGroupLinearNV";
case CapabilityFragmentBarycentricNV: return "FragmentBarycentricNV";
case CapabilityMeshShadingNV: return "MeshShadingNV";
case CapabilityShadingRateNV: return "ShadingRateNV";
#endif
case CapabilityFragmentFullyCoveredEXT: return "FragmentFullyCoveredEXT";

48
Test/baseResults/spv.shadingRate.frag.out Normal file
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@ -0,0 +1,48 @@
spv.shadingRate.frag
// Module Version 10000
// Generated by (magic number): 80007
// Id's are bound by 21
Capability Shader
Capability ShadingRateNV
Extension "SPV_NV_shading_rate"
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 9 13 17 19
ExecutionMode 4 OriginUpperLeft
Source GLSL 450
SourceExtension "GL_NV_shading_rate_image"
Name 4 "main"
Name 9 "FragmentSize"
Name 13 "gl_FragmentSizeNV"
Name 17 "InvocationsPerPixel"
Name 19 "gl_InvocationsPerPixelNV"
Decorate 9(FragmentSize) Location 0
Decorate 13(gl_FragmentSizeNV) Flat
Decorate 13(gl_FragmentSizeNV) BuiltIn FragmentSizeNV
Decorate 17(InvocationsPerPixel) Location 2
Decorate 19(gl_InvocationsPerPixelNV) Flat
Decorate 19(gl_InvocationsPerPixelNV) BuiltIn InvocationsPerPixelNV
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 2
8: TypePointer Output 7(fvec2)
9(FragmentSize): 8(ptr) Variable Output
10: TypeInt 32 1
11: TypeVector 10(int) 2
12: TypePointer Input 11(ivec2)
13(gl_FragmentSizeNV): 12(ptr) Variable Input
16: TypePointer Output 10(int)
17(InvocationsPerPixel): 16(ptr) Variable Output
18: TypePointer Input 10(int)
19(gl_InvocationsPerPixelNV): 18(ptr) Variable Input
4(main): 2 Function None 3
5: Label
14: 11(ivec2) Load 13(gl_FragmentSizeNV)
15: 7(fvec2) ConvertSToF 14
Store 9(FragmentSize) 15
20: 10(int) Load 19(gl_InvocationsPerPixelNV)
Store 17(InvocationsPerPixel) 20
Return
FunctionEnd

11
Test/spv.shadingRate.frag Normal file
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@ -0,0 +1,11 @@
#version 450
#extension GL_NV_shading_rate_image : require
layout (location = 0) out vec2 FragmentSize;
layout (location = 2) out int InvocationsPerPixel;
void main () {
FragmentSize = gl_FragmentSizeNV;
InvocationsPerPixel = gl_InvocationsPerPixelNV;
}

4
glslang/Include/BaseTypes.h
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@ -237,6 +237,8 @@ enum TBuiltInVariable {
EbvPositionPerViewNV,
EbvViewportMaskPerViewNV,
EbvFragFullyCoveredNV,
EbvFragmentSizeNV,
EbvInvocationsPerPixelNV,
// raytracing
EbvLaunchIdNV,
EbvLaunchSizeNV,
@ -404,6 +406,8 @@ __inline const char* GetBuiltInVariableString(TBuiltInVariable v)
case EbvPositionPerViewNV: return "PositionPerViewNV";
case EbvViewportMaskPerViewNV: return "ViewportMaskPerViewNV";
case EbvFragFullyCoveredNV: return "FragFullyCoveredNV";
case EbvFragmentSizeNV: return "FragmentSizeNV";
case EbvInvocationsPerPixelNV: return "InvocationsPerPixelNV";
case EbvLaunchIdNV: return "LaunchIdNVX";
case EbvLaunchSizeNV: return "LaunchSizeNVX";
case EbvInstanceCustomIndexNV: return "InstanceCustomIndexNVX";

11
glslang/MachineIndependent/Initialize.cpp
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@ -5949,6 +5949,8 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
);
if (version >= 450)
stageBuiltins[EShLangFragment].append(
"flat in ivec2 gl_FragmentSizeNV;"
"flat in int gl_InvocationsPerPixelNV;"
"in vec3 gl_BaryCoordNV;"
"in vec3 gl_BaryCoordNoPerspNV;"
);
@ -5995,6 +5997,11 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"highp float gl_FragDepthEXT;" // GL_EXT_frag_depth
);
#ifdef NV_EXTENSIONS
if (version >= 320)
stageBuiltins[EShLangFragment].append(
"flat in ivec2 gl_FragmentSizeNV;"
"flat in int gl_InvocationsPerPixelNV;"
);
if (version >= 320)
stageBuiltins[EShLangFragment].append(
"in vec3 gl_BaryCoordNV;"
@ -8286,6 +8293,10 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
if ((profile != EEsProfile && version >= 450) ||
(profile == EEsProfile && version >= 320)) {
symbolTable.setVariableExtensions("gl_FragmentSizeNV", 1, &E_GL_NV_shading_rate_image);
symbolTable.setVariableExtensions("gl_InvocationsPerPixelNV", 1, &E_GL_NV_shading_rate_image);
BuiltInVariable("gl_FragmentSizeNV", EbvFragmentSizeNV, symbolTable);
BuiltInVariable("gl_InvocationsPerPixelNV", EbvInvocationsPerPixelNV, symbolTable);
symbolTable.setVariableExtensions("gl_BaryCoordNV", 1, &E_GL_NV_fragment_shader_barycentric);
symbolTable.setVariableExtensions("gl_BaryCoordNoPerspNV", 1, &E_GL_NV_fragment_shader_barycentric);
BuiltInVariable("gl_BaryCoordNV", EbvBaryCoordNV, symbolTable);

2
glslang/MachineIndependent/Versions.cpp
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@ -235,6 +235,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_NV_conservative_raster_underestimation] = EBhDisable;
extensionBehavior[E_GL_NV_shader_noperspective_interpolation] = EBhDisable;
extensionBehavior[E_GL_NV_shader_subgroup_partitioned] = EBhDisable;
extensionBehavior[E_GL_NV_shading_rate_image] = EBhDisable;
extensionBehavior[E_GL_NVX_raytracing] = EBhDisable;
extensionBehavior[E_GL_NV_fragment_shader_barycentric] = EBhDisable;
extensionBehavior[E_GL_NV_compute_shader_derivatives] = EBhDisable;
@ -410,6 +411,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_NV_shader_atomic_int64 1\n"
"#define GL_NV_conservative_raster_underestimation 1\n"
"#define GL_NV_shader_subgroup_partitioned 1\n"
"#define GL_NV_shading_rate_image 1\n"
"#define GL_NVX_raytracing 1\n"
"#define GL_NV_fragment_shader_barycentric 1\n"
"#define GL_NV_compute_shader_derivatives 1\n"

1
glslang/MachineIndependent/Versions.h
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@ -207,6 +207,7 @@ const char* const E_GL_NV_shader_atomic_int64 = "GL_NV_shader_
const char* const E_GL_NV_conservative_raster_underestimation = "GL_NV_conservative_raster_underestimation";
const char* const E_GL_NV_shader_noperspective_interpolation = "GL_NV_shader_noperspective_interpolation";
const char* const E_GL_NV_shader_subgroup_partitioned = "GL_NV_shader_subgroup_partitioned";
const char* const E_GL_NV_shading_rate_image = "GL_NV_shading_rate_image";
const char* const E_GL_NVX_raytracing = "GL_NVX_raytracing";
const char* const E_GL_NV_fragment_shader_barycentric = "GL_NV_fragment_shader_barycentric";
const char* const E_GL_NV_compute_shader_derivatives = "GL_NV_compute_shader_derivatives";

1
gtests/Spv.FromFile.cpp
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@ -501,6 +501,7 @@ INSTANTIATE_TEST_CASE_P(
"spv.multiviewPerViewAttributes.vert",
"spv.multiviewPerViewAttributes.tesc",
"spv.atomicInt64.comp",
"spv.shadingRate.frag",
"spv.RayGenShader.rgen",
"spv.RayGenShader_Errors.rgen",
"spv.RayConstants.rgen",