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Add GL_EXT_texture_shadow_lod support

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Closes #3302.
This commit is contained in:
Nathaniel Cesario 2023-08-11 15:19:35 -06:00 • committed by arcady-lunarg
parent 3787b6947f
commit ffefbcd9f3
10 changed files with 213 additions and 0 deletions
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57
glslang/MachineIndependent/Initialize.cpp
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@ -4820,6 +4820,33 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
// GL_EXT_texture_shadow_lod overloads
if (profile == EEsProfile) { // ES
if (version >= 300) {
commonBuiltins.append("float texture(sampler2DArrayShadow, vec4, float);"
"float textureOffset(sampler2DArrayShadow, vec4, ivec2, float);"
"float textureLod(sampler2DArrayShadow, vec4, float);"
"float textureLodOffset(sampler2DArrayShadow, vec4, float, ivec2);"
"\n");
}
if (version >= 320) {
commonBuiltins.append("float texture(samplerCubeArrayShadow, vec4, float, float);"
"float textureLod(samplerCubeShadow, vec4, float);"
"float textureLod(samplerCubeArrayShadow, vec4, float, float);"
"\n");
}
} else if (version >= 130) { // Desktop
commonBuiltins.append("float texture(sampler2DArrayShadow, vec4, float);"
"float texture(samplerCubeArrayShadow, vec4, float, float);"
"float textureOffset(sampler2DArrayShadow, vec4, ivec2);"
"float textureOffset(sampler2DArrayShadow, vec4, ivec2, float);"
"float textureLod(sampler2DArrayShadow, vec4, float);"
"float textureLod(samplerCubeShadow, vec4, float);"
"float textureLod(samplerCubeArrayShadow, vec4, float, float);"
"float textureLodOffset(sampler2DArrayShadow, vec4, float, ivec2);"
"\n");
}
//============================================================================
//
// Standard Uniforms
@ -8741,6 +8768,36 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("textureBlockMatchSADQCOM", 1, &E_GL_QCOM_image_processing);
symbolTable.setFunctionExtensions("textureBlockMatchSSDQCOM", 1, &E_GL_QCOM_image_processing);
}
// GL_EXT_texture_shadow_lod
// NOTE: These are the mangled names of individual overloads, since this extension adds overloads for
// existing built-in functions.
if (profile == EEsProfile) {
if (version >= 300) {
symbolTable.setSingleFunctionExtensions("texture(sAS21;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureOffset(sAS21;vf4;vi2;f1;", 1,
&E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLod(sAS21;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLodOffset(sAS21;vf4;f1;vi2;", 1,
&E_GL_EXT_texture_shadow_lod);
}
if (version >= 320) {
symbolTable.setSingleFunctionExtensions("texture(sASC1;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("texture(sASC1;vf4;f1;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLod(sASC1;vf4;f1;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLod(sSC1;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
}
} else if (version >= 130) {
symbolTable.setSingleFunctionExtensions("texture(sAS21;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("texture(sASC1;vf4;f1;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureOffset(sAS21;vf4;vi2;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureOffset(sAS21;vf4;vi2;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLod(sAS21;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLod(sASC1;vf4;f1;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLod(sSC1;vf4;f1;", 1, &E_GL_EXT_texture_shadow_lod);
symbolTable.setSingleFunctionExtensions("textureLodOffset(sAS21;vf4;f1;vi2;", 1,
&E_GL_EXT_texture_shadow_lod);
}
break;
case EShLangCompute: