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Merge pull request #1595 from dgkoch/EXT_fragment_invocation_density

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Implement GL_EXT_fragment_invocation_density
This commit is contained in:
John Kessenich 2018-11-27 06:41:36 -07:00 • committed by GitHub
commit d7baecfab7
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GPG key ID: 4AEE18F83AFDEB23
17 changed files with 214 additions and 11 deletions
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28
glslang/MachineIndependent/Initialize.cpp
View file

@ -5939,6 +5939,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"bool gl_HelperInvocation;" // needs qualifier fixed later
);
if (version >= 450)
stageBuiltins[EShLangFragment].append( // GL_EXT_fragment_invocation_density
"flat in ivec2 gl_FragSizeEXT;"
"flat in int gl_FragInvocationCountEXT;"
);
#ifdef AMD_EXTENSIONS
if (version >= 450)
stageBuiltins[EShLangFragment].append(
@ -5959,9 +5965,9 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
);
if (version >= 450)
stageBuiltins[EShLangFragment].append(
"flat in ivec2 gl_FragmentSizeNV;"
"flat in ivec2 gl_FragmentSizeNV;" // GL_NV_shading_rate_image
"flat in int gl_InvocationsPerPixelNV;"
"in vec3 gl_BaryCoordNV;"
"in vec3 gl_BaryCoordNV;" // GL_NV_fragment_shader_barycentric
"in vec3 gl_BaryCoordNoPerspNV;"
);
@ -6006,13 +6012,19 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
stageBuiltins[EShLangFragment].append(
"highp float gl_FragDepthEXT;" // GL_EXT_frag_depth
);
if (version >= 310)
stageBuiltins[EShLangFragment].append( // GL_EXT_fragment_invocation_density
"flat in ivec2 gl_FragSizeEXT;"
"flat in int gl_FragInvocationCountEXT;"
);
#ifdef NV_EXTENSIONS
if (version >= 320)
stageBuiltins[EShLangFragment].append(
stageBuiltins[EShLangFragment].append( // GL_NV_shading_rate_image
"flat in ivec2 gl_FragmentSizeNV;"
"flat in int gl_InvocationsPerPixelNV;"
);
if (version >= 320)
if (version >= 320)
stageBuiltins[EShLangFragment].append(
"in vec3 gl_BaryCoordNV;"
"in vec3 gl_BaryCoordNoPerspNV;"
@ -8342,6 +8354,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
#endif
if ((profile != EEsProfile && version >= 450) ||
(profile == EEsProfile && version >= 310)) {
symbolTable.setVariableExtensions("gl_FragSizeEXT", 1, &E_GL_EXT_fragment_invocation_density);
symbolTable.setVariableExtensions("gl_FragInvocationCountEXT", 1, &E_GL_EXT_fragment_invocation_density);
BuiltInVariable("gl_FragSizeEXT", EbvFragSizeEXT, symbolTable);
BuiltInVariable("gl_FragInvocationCountEXT", EbvFragInvocationCountEXT, symbolTable);
}
symbolTable.setVariableExtensions("gl_FragDepthEXT", 1, &E_GL_EXT_frag_depth);
if (profile == EEsProfile && version < 320) {

2
glslang/MachineIndependent/Versions.cpp
View file

@ -205,6 +205,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_EXT_nonuniform_qualifier] = EBhDisable;
extensionBehavior[E_GL_EXT_samplerless_texture_functions] = EBhDisable;
extensionBehavior[E_GL_EXT_scalar_block_layout] = EBhDisable;
extensionBehavior[E_GL_EXT_fragment_invocation_density] = EBhDisable;
extensionBehavior[E_GL_EXT_shader_16bit_storage] = EBhDisable;
extensionBehavior[E_GL_EXT_shader_8bit_storage] = EBhDisable;
@ -380,6 +381,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_EXT_shader_8bit_storage 1\n"
"#define GL_EXT_samplerless_texture_functions 1\n"
"#define GL_EXT_scalar_block_layout 1\n"
"#define GL_EXT_fragment_invocation_density 1\n"
// GL_KHR_shader_subgroup
"#define GL_KHR_shader_subgroup_basic 1\n"

1
glslang/MachineIndependent/Versions.h
View file

@ -167,6 +167,7 @@ const char* const E_GL_EXT_control_flow_attributes = "GL_EXT_control_fl
const char* const E_GL_EXT_nonuniform_qualifier = "GL_EXT_nonuniform_qualifier";
const char* const E_GL_EXT_samplerless_texture_functions = "GL_EXT_samplerless_texture_functions";
const char* const E_GL_EXT_scalar_block_layout = "GL_EXT_scalar_block_layout";
const char* const E_GL_EXT_fragment_invocation_density = "GL_EXT_fragment_invocation_density";
// Arrays of extensions for the above viewportEXTs duplications