BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge pull request #2428 from Tobski/GL_EXT_fragment_shading_rate

Browse source 
Add GL_EXT_fragment_shading_rate
This commit is contained in:
John Kessenich 2020-10-20 15:25:26 -06:00 • committed by GitHub
commit 00d05d23a2
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
14 changed files with 243 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

87
glslang/MachineIndependent/Initialize.cpp
View file

@ -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

2
glslang/MachineIndependent/ParseHelper.cpp
View file

@ -4226,6 +4226,8 @@ TSymbol* TParseContext::redeclareBuiltinVariable(const TSourceLoc& loc, const TS
(identifier == "gl_FragCoord" && ((nonEsRedecls && version >= 150) || esRedecls)) ||
identifier == "gl_ClipDistance" ||
identifier == "gl_CullDistance" ||
identifier == "gl_ShadingRateEXT" ||
identifier == "gl_PrimitiveShadingRateEXT" ||
identifier == "gl_FrontColor" ||
identifier == "gl_BackColor" ||
identifier == "gl_FrontSecondaryColor" ||

3
glslang/MachineIndependent/Versions.cpp
View file

@ -327,6 +327,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_EXT_ray_flags_primitive_culling] = EBhDisable;
extensionBehavior[E_GL_EXT_blend_func_extended] = EBhDisable;
extensionBehavior[E_GL_EXT_shader_implicit_conversions] = EBhDisable;
extensionBehavior[E_GL_EXT_fragment_shading_rate] = EBhDisable;
// OVR extensions
extensionBehavior[E_GL_OVR_multiview] = EBhDisable;
@ -371,6 +372,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_EXT_YUV_target 1\n"
"#define GL_EXT_shader_texture_lod 1\n"
"#define GL_EXT_shadow_samplers 1\n"
"#define GL_EXT_fragment_shading_rate 1\n"
// AEP
"#define GL_ANDROID_extension_pack_es31a 1\n"
@ -463,6 +465,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_EXT_buffer_reference_uvec2 1\n"
"#define GL_EXT_demote_to_helper_invocation 1\n"
"#define GL_EXT_debug_printf 1\n"
"#define GL_EXT_fragment_shading_rate 1\n"
// GL_KHR_shader_subgroup
"#define GL_KHR_shader_subgroup_basic 1\n"

1
glslang/MachineIndependent/Versions.h
View file

@ -199,6 +199,7 @@ const char* const E_GL_EXT_ray_query = "GL_EXT_ray_query"
const char* const E_GL_EXT_ray_flags_primitive_culling = "GL_EXT_ray_flags_primitive_culling";
const char* const E_GL_EXT_blend_func_extended = "GL_EXT_blend_func_extended";
const char* const E_GL_EXT_shader_implicit_conversions = "GL_EXT_shader_implicit_conversions";
const char* const E_GL_EXT_fragment_shading_rate = "GL_EXT_fragment_shading_rate";
// Arrays of extensions for the above viewportEXTs duplications