diff options
| author | Robert Stepinski <rob.stepinski@gmail.com> | 2019-03-06 17:44:02 -0500 |
|---|---|---|
| committer | Tim Foley <tfoleyNV@users.noreply.github.com> | 2019-03-06 14:44:02 -0800 |
| commit | 87610f6def3e3dceac0082c1b60abbe2aee09014 (patch) | |
| tree | dec1143f7326c6a456f2f664a464cda1168f4659 /source | |
| parent | 325b721d1d488e2ea74d13d914ec1f31761989ea (diff) | |
Add GLSL intrinsics for f32tof16() and f16tof32() (#883)
Diffstat (limited to 'source')
| -rw-r--r-- | source/slang/hlsl.meta.slang | 12 | ||||
| -rw-r--r-- | source/slang/hlsl.meta.slang.h | 14 |
2 files changed, 21 insertions, 5 deletions
diff --git a/source/slang/hlsl.meta.slang b/source/slang/hlsl.meta.slang index a8fd37243..4135a9051 100644 --- a/source/slang/hlsl.meta.slang +++ b/source/slang/hlsl.meta.slang @@ -717,12 +717,20 @@ __generic<T : __BuiltinFloatingPointType, let N : int> vector<T,N> exp2(vector<T __generic<T : __BuiltinFloatingPointType, let N : int, let M : int> matrix<T,N,M> exp2(matrix<T,N,M> x); // Convert 16-bit float stored in low bits of integer +__target_intrinsic(glsl, "unpackHalf2x16($0).x") float f16tof32(uint value); -__generic<let N : int> vector<float,N> f16tof32(vector<uint,N> value); + +__generic<let N : int> +__target_intrinsic(glsl, "unpackHalf2x16($0).x") +vector<float,N> f16tof32(vector<uint,N> value); // Convert to 16-bit float stored in low bits of integer +__target_intrinsic(glsl, "packHalf2x16(vec2($0,0.0))") uint f32tof16(float value); -__generic<let N : int> vector<uint,N> f32tof16(vector<float,N> value); + +__generic<let N : int> +__target_intrinsic(glsl, "packHalf2x16(vec2($0,0.0))") +vector<uint,N> f32tof16(vector<float,N> value); // Flip surface normal to face forward, if needed __generic<T : __BuiltinFloatingPointType, let N : int> vector<T,N> faceforward(vector<T,N> n, vector<T,N> i, vector<T,N> ng); diff --git a/source/slang/hlsl.meta.slang.h b/source/slang/hlsl.meta.slang.h index 375c8aab0..67d8d3cc0 100644 --- a/source/slang/hlsl.meta.slang.h +++ b/source/slang/hlsl.meta.slang.h @@ -793,12 +793,20 @@ SLANG_RAW("__generic<T : __BuiltinFloatingPointType, let N : int> vector<T,N> ex SLANG_RAW("__generic<T : __BuiltinFloatingPointType, let N : int, let M : int> matrix<T,N,M> exp2(matrix<T,N,M> x);\n") SLANG_RAW("\n") SLANG_RAW("// Convert 16-bit float stored in low bits of integer\n") +SLANG_RAW("__target_intrinsic(glsl, \"unpackHalf2x16($0).x\")\n") SLANG_RAW("float f16tof32(uint value);\n") -SLANG_RAW("__generic<let N : int> vector<float,N> f16tof32(vector<uint,N> value);\n") +SLANG_RAW("\n") +SLANG_RAW("__generic<let N : int>\n") +SLANG_RAW("__target_intrinsic(glsl, \"unpackHalf2x16($0).x\")\n") +SLANG_RAW("vector<float,N> f16tof32(vector<uint,N> value);\n") SLANG_RAW("\n") SLANG_RAW("// Convert to 16-bit float stored in low bits of integer\n") +SLANG_RAW("__target_intrinsic(glsl, \"packHalf2x16(vec2($0,0.0))\")\n") SLANG_RAW("uint f32tof16(float value);\n") -SLANG_RAW("__generic<let N : int> vector<uint,N> f32tof16(vector<float,N> value);\n") +SLANG_RAW("\n") +SLANG_RAW("__generic<let N : int>\n") +SLANG_RAW("__target_intrinsic(glsl, \"packHalf2x16(vec2($0,0.0))\")\n") +SLANG_RAW("vector<uint,N> f32tof16(vector<float,N> value);\n") SLANG_RAW("\n") SLANG_RAW("// Flip surface normal to face forward, if needed\n") SLANG_RAW("__generic<T : __BuiltinFloatingPointType, let N : int> vector<T,N> faceforward(vector<T,N> n, vector<T,N> i, vector<T,N> ng);\n") @@ -1513,7 +1521,7 @@ for (int aa = 0; aa < kBaseBufferAccessLevelCount; ++aa) sb << "};\n"; } -SLANG_RAW("#line 1440 \"hlsl.meta.slang\"") +SLANG_RAW("#line 1448 \"hlsl.meta.slang\"") SLANG_RAW("\n") SLANG_RAW("\n") SLANG_RAW("\n") |