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Add GL_EXT_fragment_shading_rate

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Chow 2020-07-02 15:50:36 +08:00 • committed by Tobias Hector
parent f4f1d8a352
commit a315b5633b
15 changed files with 265 additions and 2 deletions
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87
glslang/MachineIndependent/Initialize.cpp
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@ -4928,6 +4928,11 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 310)) {
stageBuiltins[EShLangVertex].append(
"out highp int gl_PrimitiveShadingRateEXT;" // GL_EXT_fragment_shading_rate
"\n");
}
//============================================================================
//
@ -5041,6 +5046,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 310)) {
stageBuiltins[EShLangGeometry].append(
"out highp int gl_PrimitiveShadingRateEXT;" // GL_EXT_fragment_shading_rate
"\n");
}
//============================================================================
//
// Define the interface to the tessellation control shader.
@ -5338,6 +5349,11 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"in vec3 gl_BaryCoordNoPerspNV;"
);
if (version >= 450)
stageBuiltins[EShLangFragment].append(
"flat in int gl_ShadingRateEXT;" // GL_EXT_fragment_shading_rate
);
} else {
// ES profile
@ -5396,6 +5412,10 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"in vec3 gl_BaryCoordNV;"
"in vec3 gl_BaryCoordNoPerspNV;"
);
if (version >= 310)
stageBuiltins[EShLangFragment].append(
"flat in highp int gl_ShadingRateEXT;" // GL_EXT_fragment_shading_rate
);
}
#endif
@ -5692,6 +5712,18 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"flat in highp uint gl_ViewID_OVR;" // GL_OVR_multiview, GL_OVR_multiview2
"\n");
}
// Adding these to common built-ins triggers an assert due to a memory corruption in related code when testing
// So instead add to each stage individually, avoiding the GLSLang bug
if ((profile != EEsProfile && version >= 450) || (profile == EEsProfile && version >= 310)) {
for (int stage=EShLangVertex; stage<EShLangCount; stage++)
{
stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag2VerticalPixelsEXT = 1;\n");
stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag4VerticalPixelsEXT = 2;\n");
stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag2HorizontalPixelsEXT = 4;\n");
stageBuiltins[static_cast<EShLanguage>(stage)].append("const highp int gl_ShadingRateFlag4HorizontalPixelsEXT = 8;\n");
}
}
#endif // !GLSLANG_WEB
// printf("%s\n", commonBuiltins.c_str());
@ -7650,6 +7682,20 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_WarpIDNV", EbvWarpID, symbolTable);
BuiltInVariable("gl_SMIDNV", EbvSMID, symbolTable);
}
if (language == EShLangGeometry || language == EShLangVertex) {
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 450)) {
symbolTable.setVariableExtensions("gl_PrimitiveShadingRateEXT", 1, &E_GL_EXT_fragment_shading_rate);
BuiltInVariable("gl_PrimitiveShadingRateEXT", EbvPrimitiveShadingRateKHR, symbolTable);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
}
}
#endif // !GLSLANG_WEB
break;
@ -8156,6 +8202,17 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
symbolTable.setFunctionExtensions("helperInvocationEXT", 1, &E_GL_EXT_demote_to_helper_invocation);
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 450)) {
symbolTable.setVariableExtensions("gl_ShadingRateEXT", 1, &E_GL_EXT_fragment_shading_rate);
BuiltInVariable("gl_ShadingRateEXT", EbvShadingRateKHR, symbolTable);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
}
#endif // !GLSLANG_WEB
break;
@ -8288,6 +8345,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("dFdyCoarse", 1, &E_GL_NV_compute_shader_derivatives);
symbolTable.setFunctionExtensions("fwidthCoarse", 1, &E_GL_NV_compute_shader_derivatives);
}
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 450)) {
symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
}
#endif // !GLSLANG_WEB
break;
@ -8437,6 +8502,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_WarpIDNV", EbvWarpID, symbolTable);
BuiltInVariable("gl_SMIDNV", EbvSMID, symbolTable);
}
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 450)) {
symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
}
break;
case EShLangMeshNV:
@ -8581,6 +8653,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_WarpIDNV", EbvWarpID, symbolTable);
BuiltInVariable("gl_SMIDNV", EbvSMID, symbolTable);
}
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 450)) {
symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
}
break;
case EShLangTaskNV:
@ -8681,6 +8761,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_WarpIDNV", EbvWarpID, symbolTable);
BuiltInVariable("gl_SMIDNV", EbvSMID, symbolTable);
}
if ((profile == EEsProfile && version >= 310) ||
(profile != EEsProfile && version >= 450)) {
symbolTable.setVariableExtensions("gl_ShadingRateFlag2VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4VerticalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag2HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
symbolTable.setVariableExtensions("gl_ShadingRateFlag4HorizontalPixelsEXT", 1, &E_GL_EXT_fragment_shading_rate);
}
break;
#endif