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@@ -354,6 +354,24 @@ class HlslOut {
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decl("float2 _uintBitsToFloat( int2 v ) { return asfloat(asuint(v)); }");
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decl("float3 _uintBitsToFloat( int3 v ) { return asfloat(asuint(v)); }");
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decl("float4 _uintBitsToFloat( int4 v ) { return asfloat(asuint(v)); }");
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+ case UnpackSnorm4x8:
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+ decl("float4 unpackSnorm4x8( int v ) {
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+ float4 unpack;
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+ unpack.x = clamp(((asuint(v) & asuint(0xff000000)) >> 24) / 127.0, -1.0, 1.0);
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+ unpack.y = clamp(((asuint(v) & asuint(0x00ff0000)) >> 16) / 127.0, -1.0, 1.0);
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+ unpack.z = clamp(((asuint(v) & asuint(0x0000ff00)) >> 8) / 127.0, -1.0, 1.0);
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+ unpack.w = clamp(((asuint(v) & asuint(0x000000ff)) >> 0) / 127.0, -1.0, 1.0);
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+ return unpack;
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+ }");
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+ case UnpackUnorm4x8:
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+ decl("float4 unpackUnorm4x8( int v ) {
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+ float4 unpack;
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+ unpack.x = ((asuint(v) & asuint(0xff000000)) >> 24) / 255.0;
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+ unpack.y = ((asuint(v) & asuint(0x00ff0000)) >> 16) / 255.0;
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+ unpack.z = ((asuint(v) & asuint(0x0000ff00)) >> 8) / 255.0;
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+ unpack.w = ((asuint(v) & asuint(0x000000ff)) >> 0) / 255.0;
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+ return unpack;
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+ }");
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case AtomicAdd:
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decl("int atomicAdd( RWStructuredBuffer<int> buf, int index, int data ) { int val; InterlockedAdd(buf[index], data, val); return val; }");
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case TextureSize:
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TothBenoit