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Support the textureQueryLOD at #extension GL_ARB_texture_query_lod.

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Signed-off-by: ZhiqianXia <xzq0528@outlook.com>
This commit is contained in:
ZhiqianXia 2021-08-02 16:20:02 +08:00
parent 0db0010d3c
commit 78de10954e
6 changed files with 209 additions and 47 deletions
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63
glslang/MachineIndependent/Initialize.cpp
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@ -316,6 +316,7 @@ const CustomFunction CustomFunctions[] = {
{ EOpTextureQuerySize, "textureSize", nullptr },
{ EOpTextureQueryLod, "textureQueryLod", nullptr },
{ EOpTextureQueryLod, "textureQueryLOD", nullptr }, // extension GL_ARB_texture_query_lod
{ EOpTextureQueryLevels, "textureQueryLevels", nullptr },
{ EOpTextureQuerySamples, "textureSamples", nullptr },
{ EOpTexture, "texture", nullptr },
@ -6307,38 +6308,44 @@ void TBuiltIns::addQueryFunctions(TSampler sampler, const TString& typeName, int
//
// textureQueryLod(), fragment stage only
// Also enabled with extension GL_ARB_texture_query_lod
// Extension GL_ARB_texture_query_lod says that textureQueryLOD() also exist at extension.
if (profile != EEsProfile && version >= 150 && sampler.isCombined() && sampler.dim != EsdRect &&
! sampler.isMultiSample() && ! sampler.isBuffer()) {
for (int f16TexAddr = 0; f16TexAddr < 2; ++f16TexAddr) {
if (f16TexAddr && sampler.type != EbtFloat16)
continue;
stageBuiltins[EShLangFragment].append("vec2 textureQueryLod(");
stageBuiltins[EShLangFragment].append(typeName);
if (dimMap[sampler.dim] == 1)
if (f16TexAddr)
stageBuiltins[EShLangFragment].append(", float16_t");
else
stageBuiltins[EShLangFragment].append(", float");
else {
if (f16TexAddr)
stageBuiltins[EShLangFragment].append(", f16vec");
else
stageBuiltins[EShLangFragment].append(", vec");
stageBuiltins[EShLangFragment].append(postfixes[dimMap[sampler.dim]]);
}
stageBuiltins[EShLangFragment].append(");\n");
}
stageBuiltins[EShLangCompute].append("vec2 textureQueryLod(");
stageBuiltins[EShLangCompute].append(typeName);
if (dimMap[sampler.dim] == 1)
stageBuiltins[EShLangCompute].append(", float");
else {
stageBuiltins[EShLangCompute].append(", vec");
stageBuiltins[EShLangCompute].append(postfixes[dimMap[sampler.dim]]);
const TString funcName[2] = {"vec2 textureQueryLod(", "vec2 textureQueryLOD("};
for (int i = 0; i < 2; ++i){
for (int f16TexAddr = 0; f16TexAddr < 2; ++f16TexAddr) {
if (f16TexAddr && sampler.type != EbtFloat16)
continue;
stageBuiltins[EShLangFragment].append(funcName[i]);
stageBuiltins[EShLangFragment].append(typeName);
if (dimMap[sampler.dim] == 1)
if (f16TexAddr)
stageBuiltins[EShLangFragment].append(", float16_t");
else
stageBuiltins[EShLangFragment].append(", float");
else {
if (f16TexAddr)
stageBuiltins[EShLangFragment].append(", f16vec");
else
stageBuiltins[EShLangFragment].append(", vec");
stageBuiltins[EShLangFragment].append(postfixes[dimMap[sampler.dim]]);
}
stageBuiltins[EShLangFragment].append(");\n");
}
stageBuiltins[EShLangCompute].append(funcName[i]);
stageBuiltins[EShLangCompute].append(typeName);
if (dimMap[sampler.dim] == 1)
stageBuiltins[EShLangCompute].append(", float");
else {
stageBuiltins[EShLangCompute].append(", vec");
stageBuiltins[EShLangCompute].append(postfixes[dimMap[sampler.dim]]);
}
stageBuiltins[EShLangCompute].append(");\n");
}
stageBuiltins[EShLangCompute].append(");\n");
}
//
@ -8118,7 +8125,7 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
}
if (profile != EEsProfile && version < 400) {
symbolTable.setFunctionExtensions("textureQueryLod", 1, &E_GL_ARB_texture_query_lod);
symbolTable.setFunctionExtensions("textureQueryLOD", 1, &E_GL_ARB_texture_query_lod);
}
if (profile != EEsProfile && version >= 460) {