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Front-end: Implement GL_OES_gpu_shader5.

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This commit is contained in:
John Kessenich 2015-07-15 19:42:59 -06:00
parent ace4c45afc
commit e3933d684d
16 changed files with 785 additions and 104 deletions
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66
glslang/MachineIndependent/Initialize.cpp
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@ -493,19 +493,24 @@ void TBuiltIns::initialize(int version, EProfile profile)
"\n");
}
if (profile != EEsProfile && version >= 400) {
if ((profile != EEsProfile && version >= 400) ||
(profile == EEsProfile && version >= 310)) { // GL_OES_gpu_shader5
commonBuiltins.append(
"float fma(float, float, float );"
"vec2 fma(vec2, vec2, vec2 );"
"vec3 fma(vec3, vec3, vec3 );"
"vec4 fma(vec4, vec4, vec4 );"
"double fma(double, double, double);"
"dvec2 fma(dvec2, dvec2, dvec2 );"
"dvec3 fma(dvec3, dvec3, dvec3 );"
"dvec4 fma(dvec4, dvec4, dvec4 );"
"\n");
if (profile != EEsProfile) {
commonBuiltins.append(
"double fma(double, double, double);"
"dvec2 fma(dvec2, dvec2, dvec2 );"
"dvec3 fma(dvec3, dvec3, dvec3 );"
"dvec4 fma(dvec4, dvec4, dvec4 );"
"\n");
}
}
if ((profile == EEsProfile && version >= 310) ||
@ -2221,9 +2226,6 @@ void TBuiltIns::addGatherFunctions(TSampler sampler, TString& typeName, int vers
for (int offset = 0; offset < 3; ++offset) { // loop over three forms of offset in the call name: none, Offset, and Offsets
if (profile == EEsProfile && offset == 2)
continue;
for (int comp = 0; comp < 2; ++comp) { // loop over presence of comp argument
if (comp > 0 && sampler.shadow)
@ -2802,8 +2804,11 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
//
// N.B.: a symbol should only be tagged once, and this function is called multiple times, once
// per stage that's used for this profile. So, stick common ones in the fragment stage to
// ensure they are tagged exactly once.
// per stage that's used for this profile. So
// - generally, stick common ones in the fragment stage to ensure they are tagged exactly once
// - for ES, which has different precisions for different stages, the coarsest-grained tagging
// for a built-in used in many stages needs to be once for the fragment stage and once for
// the vertex stage
switch(language) {
case EShLangVertex:
@ -2822,6 +2827,15 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
BuiltInVariable("gl_MultiTexCoord7", EbvMultiTexCoord7, symbolTable);
BuiltInVariable("gl_FogCoord", EbvFogFragCoord, symbolTable);
if (profile == EEsProfile) {
symbolTable.setFunctionExtensions("texture2DGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DProjGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureCubeGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureGatherOffsets", Num_AEP_gpu_shader5, AEP_gpu_shader5);
if (version >= 310)
symbolTable.setFunctionExtensions("fma", Num_AEP_gpu_shader5, AEP_gpu_shader5);
}
// Fall through
case EShLangTessControl:
@ -2931,15 +2945,21 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
// built-in functions
if (version == 100) {
symbolTable.setFunctionExtensions("dFdx", 1, &E_GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("dFdy", 1, &E_GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("fwidth", 1, &E_GL_OES_standard_derivatives);
}
if (profile == EEsProfile) {
symbolTable.setFunctionExtensions("texture2DLodEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DProjLodEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureCubeLodEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DLodEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DProjLodEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureCubeLodEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DProjGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureCubeGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureGatherOffsets", Num_AEP_gpu_shader5, AEP_gpu_shader5);
if (version == 100) {
symbolTable.setFunctionExtensions("dFdx", 1, &E_GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("dFdy", 1, &E_GL_OES_standard_derivatives);
symbolTable.setFunctionExtensions("fwidth", 1, &E_GL_OES_standard_derivatives);
}
if (version >= 310)
symbolTable.setFunctionExtensions("fma", Num_AEP_gpu_shader5, AEP_gpu_shader5);
} else if (version < 130) {
symbolTable.setFunctionExtensions("texture1DLod", 1, &E_GL_ARB_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DLod", 1, &E_GL_ARB_shader_texture_lod);
@ -2973,12 +2993,6 @@ void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymb
symbolTable.setFunctionExtensions("shadow2DRectProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
}
if (profile == EEsProfile) {
symbolTable.setFunctionExtensions("texture2DGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("texture2DProjGradEXT", 1, &E_GL_EXT_shader_texture_lod);
symbolTable.setFunctionExtensions("textureCubeGradEXT", 1, &E_GL_EXT_shader_texture_lod);
}
// E_GL_ARB_shader_image_load_store
if (profile != EEsProfile && version < 420)
symbolTable.setFunctionExtensions("memoryBarrier", 1, &E_GL_ARB_shader_image_load_store);