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0003-Add-support-for-SPV_NV_shader_image_footprint

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This commit is contained in:
Chao Chen 2018-09-19 11:41:27 -07:00
parent beae2251b7
commit 3a1379667d
13 changed files with 1189 additions and 5 deletions
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51
glslang/MachineIndependent/Initialize.cpp
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@ -3850,6 +3850,42 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
#endif // AMD_EXTENSIONS
#ifdef NV_EXTENSIONS
if ((profile != EEsProfile && version >= 450) ||
(profile == EEsProfile && version >= 320)) {
commonBuiltins.append(
"struct gl_TextureFootprint2DNV {"
"uvec2 anchor;"
"uvec2 offset;"
"uvec2 mask;"
"uint lod;"
"uint granularity;"
"};"
"struct gl_TextureFootprint3DNV {"
"uvec3 anchor;"
"uvec3 offset;"
"uvec2 mask;"
"uint lod;"
"uint granularity;"
"};"
"bool textureFootprintNV(sampler2D, vec2, int, bool, out gl_TextureFootprint2DNV);"
"bool textureFootprintNV(sampler3D, vec3, int, bool, out gl_TextureFootprint3DNV);"
"bool textureFootprintNV(sampler2D, vec2, int, bool, out gl_TextureFootprint2DNV, float);"
"bool textureFootprintNV(sampler3D, vec3, int, bool, out gl_TextureFootprint3DNV, float);"
"bool textureFootprintClampNV(sampler2D, vec2, float, int, bool, out gl_TextureFootprint2DNV);"
"bool textureFootprintClampNV(sampler3D, vec3, float, int, bool, out gl_TextureFootprint3DNV);"
"bool textureFootprintClampNV(sampler2D, vec2, float, int, bool, out gl_TextureFootprint2DNV, float);"
"bool textureFootprintClampNV(sampler3D, vec3, float, int, bool, out gl_TextureFootprint3DNV, float);"
"bool textureFootprintLodNV(sampler2D, vec2, float, int, bool, out gl_TextureFootprint2DNV);"
"bool textureFootprintLodNV(sampler3D, vec3, float, int, bool, out gl_TextureFootprint3DNV);"
"bool textureFootprintGradNV(sampler2D, vec2, vec2, vec2, int, bool, out gl_TextureFootprint2DNV);"
"bool textureFootprintGradClampNV(sampler2D, vec2, vec2, vec2, float, int, bool, out gl_TextureFootprint2DNV);"
"\n");
}
#endif // NV_EXTENSIONS
// GL_AMD_gpu_shader_half_float/Explicit types
if (profile != EEsProfile && version >= 450) {
commonBuiltins.append(
@ -7545,6 +7581,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
#endif
#ifdef NV_EXTENSIONS
symbolTable.setFunctionExtensions("textureFootprintNV", 1, &E_GL_NV_shader_texture_footprint);
symbolTable.setFunctionExtensions("textureFootprintClampNV", 1, &E_GL_NV_shader_texture_footprint);
symbolTable.setFunctionExtensions("textureFootprintLodNV", 1, &E_GL_NV_shader_texture_footprint);
symbolTable.setFunctionExtensions("textureFootprintGradNV", 1, &E_GL_NV_shader_texture_footprint);
symbolTable.setFunctionExtensions("textureFootprintGradClampNV", 1, &E_GL_NV_shader_texture_footprint);
#endif
// Compatibility variables, vertex only
if (spvVersion.spv == 0) {
BuiltInVariable("gl_Color", EbvColor, symbolTable);
@ -8501,6 +8544,14 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.relateToOperator("noise3", EOpNoise);
symbolTable.relateToOperator("noise4", EOpNoise);
#ifdef NV_EXTENSIONS
symbolTable.relateToOperator("textureFootprintNV", EOpImageSampleFootprintNV);
symbolTable.relateToOperator("textureFootprintClampNV", EOpImageSampleFootprintClampNV);
symbolTable.relateToOperator("textureFootprintLodNV", EOpImageSampleFootprintLodNV);
symbolTable.relateToOperator("textureFootprintGradNV", EOpImageSampleFootprintGradNV);
symbolTable.relateToOperator("textureFootprintGradClampNV", EOpImageSampleFootprintGradClampNV);
#endif
if (spvVersion.spv == 0 && (IncludeLegacy(version, profile, spvVersion) ||
(profile == EEsProfile && version == 100))) {
symbolTable.relateToOperator("ftransform", EOpFtransform);