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Implement GL_ARB_derivative_control.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@27713 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-08-13 04:15:56 +00:00
parent 265f5fb80e
commit 13fd6c9dd7
12 changed files with 331 additions and 4 deletions
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57
glslang/MachineIndependent/Initialize.cpp
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@ -933,6 +933,45 @@ void TBuiltIns::initialize(int version, EProfile profile)
"\n");
// GL_ARB_derivative_control
if (profile != EEsProfile && version >= 400) {
stageBuiltins[EShLangFragment].append(
"float dFdxFine(float p);"
"vec2 dFdxFine(vec2 p);"
"vec3 dFdxFine(vec3 p);"
"vec4 dFdxFine(vec4 p);"
"float dFdyFine(float p);"
"vec2 dFdyFine(vec2 p);"
"vec3 dFdyFine(vec3 p);"
"vec4 dFdyFine(vec4 p);"
"float fwidthFine(float p);"
"vec2 fwidthFine(vec2 p);"
"vec3 fwidthFine(vec3 p);"
"vec4 fwidthFine(vec4 p);"
"\n");
stageBuiltins[EShLangFragment].append(
"float dFdxCoarse(float p);"
"vec2 dFdxCoarse(vec2 p);"
"vec3 dFdxCoarse(vec3 p);"
"vec4 dFdxCoarse(vec4 p);"
"float dFdyCoarse(float p);"
"vec2 dFdyCoarse(vec2 p);"
"vec3 dFdyCoarse(vec3 p);"
"vec4 dFdyCoarse(vec4 p);"
"float fwidthCoarse(float p);"
"vec2 fwidthCoarse(vec2 p);"
"vec3 fwidthCoarse(vec3 p);"
"vec4 fwidthCoarse(vec4 p);"
"\n");
}
//============================================================================
//
// Standard Uniforms
@ -2383,6 +2422,16 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
symbolTable.setFunctionExtensions("atomicCounter" , 1, &GL_ARB_shader_atomic_counters);
}
// GL_ARB_derivative_control
if (profile != EEsProfile && version < 450) {
symbolTable.setFunctionExtensions("dFdxFine", 1, &GL_ARB_derivative_control);
symbolTable.setFunctionExtensions("dFdyFine", 1, &GL_ARB_derivative_control);
symbolTable.setFunctionExtensions("fwidthFine", 1, &GL_ARB_derivative_control);
symbolTable.setFunctionExtensions("dFdxCoarse", 1, &GL_ARB_derivative_control);
symbolTable.setFunctionExtensions("dFdyCoarse", 1, &GL_ARB_derivative_control);
symbolTable.setFunctionExtensions("fwidthCoarse", 1, &GL_ARB_derivative_control);
}
symbolTable.setVariableExtensions("gl_FragDepthEXT", 1, &GL_EXT_frag_depth);
break;
@ -2512,6 +2561,14 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
symbolTable.relateToOperator("dFdx", EOpDPdx);
symbolTable.relateToOperator("dFdy", EOpDPdy);
symbolTable.relateToOperator("fwidth", EOpFwidth);
if (profile != EEsProfile && version >= 400) {
symbolTable.relateToOperator("dFdxFine", EOpDPdxFine);
symbolTable.relateToOperator("dFdyFine", EOpDPdyFine);
symbolTable.relateToOperator("fwidthFine", EOpFwidthFine);
symbolTable.relateToOperator("dFdxCoarse", EOpDPdxCoarse);
symbolTable.relateToOperator("dFdyCoarse", EOpDPdyCoarse);
symbolTable.relateToOperator("fwidthCoarse", EOpFwidthCoarse);
}
break;
case EShLangCompute: