diff options
Diffstat (limited to 'source/slang/slang-stdlib.cpp')
| -rw-r--r-- | source/slang/slang-stdlib.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/source/slang/slang-stdlib.cpp b/source/slang/slang-stdlib.cpp index 169eac4fb..4fcef6639 100644 --- a/source/slang/slang-stdlib.cpp +++ b/source/slang/slang-stdlib.cpp @@ -1440,6 +1440,66 @@ namespace Slang for(int isFloat = 0; isFloat < 2; ++isFloat) for(int includeMipInfo = 0; includeMipInfo < 2; ++includeMipInfo) { + { + sb << "__intrinsic(glsl, \"("; + + int aa = 0; + String lodStr = "0"; + if (includeMipInfo) + { + int mipLevelArg = aa++; + lodStr.append("$"); + lodStr.append(mipLevelArg); + } + + int cc = 0; + switch(baseShape) + { + case TextureType::Shape1D: + sb << "($" << aa++ << " = textureSize($P, " << lodStr << "))"; + cc = 1; + break; + + case TextureType::Shape2D: + case TextureType::ShapeCube: + sb << "($" << aa++ << " = textureSize($P, " << lodStr << ").x)"; + sb << ", ($" << aa++ << " = textureSize($P, " << lodStr << ").y)"; + cc = 2; + break; + + case TextureType::Shape3D: + sb << "($" << aa++ << " = textureSize($P, " << lodStr << ").x)"; + sb << ", ($" << aa++ << " = textureSize($P, " << lodStr << ").y)"; + sb << ", ($" << aa++ << " = textureSize($P, " << lodStr << ").z)"; + cc = 3; + break; + + default: + assert(!"unexpected"); + break; + } + + if(isArray) + { + sb << ", ($" << aa++ << " = textureSize($P, " << lodStr << ")." << kComponentNames[cc] << ")"; + } + + if(isMultisample) + { + sb << ", ($" << aa++ << " = textureSamples($P))"; + } + + if (includeMipInfo) + { + sb << ", ($" << aa++ << " = textureQueryLevels($P))"; + } + + + sb << ")\")\n"; + sb << "__intrinsic\n"; + + } + char const* t = isFloat ? "out float " : "out uint "; sb << "void GetDimensions("; |