diff options
Diffstat (limited to 'source/slang/slang-stdlib.cpp')
| -rw-r--r-- | source/slang/slang-stdlib.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/source/slang/slang-stdlib.cpp b/source/slang/slang-stdlib.cpp index 1c1bcceaf..169eac4fb 100644 --- a/source/slang/slang-stdlib.cpp +++ b/source/slang/slang-stdlib.cpp @@ -1612,6 +1612,48 @@ namespace Slang sb << "float compareValue"; sb << ");\n"; + int baseCoordCount = kBaseTextureTypes[tt].coordCount; + int arrCoordCount = baseCoordCount + isArray; + if (arrCoordCount < 3) + { + int extCoordCount = arrCoordCount + 1; + + if (extCoordCount < 3) + extCoordCount = 3; + + sb << "__intrinsic(glsl, \"textureLod($p, "; + + sb << "vec" << extCoordCount << "($1,"; + for (int ii = arrCoordCount; ii < extCoordCount - 1; ++ii) + { + sb << " 0.0,"; + } + sb << "$2)"; + + sb << ", 0.0)\")\n"; + } + else if(arrCoordCount <= 3) + { + int extCoordCount = arrCoordCount + 1; + + if (extCoordCount < 3) + extCoordCount = 3; + + sb << "__intrinsic(glsl, \"textureGrad($p, "; + + sb << "vec" << extCoordCount << "($1,"; + for (int ii = arrCoordCount; ii < extCoordCount - 1; ++ii) + { + sb << " 0.0,"; + } + sb << "$2)"; + + // Construct gradients + sb << ", vec" << baseCoordCount << "(0.0)"; + sb << ", vec" << baseCoordCount << "(0.0)"; + sb << ")\")\n"; + } + sb << "__intrinsic\n"; sb << "T SampleCmpLevelZero(SamplerComparisonState s, "; sb << "float" << kBaseTextureTypes[tt].coordCount + isArray << " location, "; sb << "float compareValue"; |