diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/shaders/BufferToTexture11.hlsl')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/shaders/BufferToTexture11.hlsl | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/shaders/BufferToTexture11.hlsl b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/shaders/BufferToTexture11.hlsl new file mode 100644 index 0000000000..20e6623a30 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d11/shaders/BufferToTexture11.hlsl @@ -0,0 +1,76 @@ +Buffer<float4> Buffer4F : register(t0); +Buffer<int4> Buffer4I : register(t0); +Buffer<uint4> Buffer4UI : register(t0); + +struct VS_OUTPUT +{ + float4 position : SV_Position; + uint index : TEXCOORD0; + uint slice : LAYER; +}; + +struct GS_OUTPUT +{ + float4 position : SV_Position; + uint index : TEXCOORD0; + uint slice : SV_RenderTargetArrayIndex; +}; + +cbuffer BufferCopyParams : register(b0) +{ + uint FirstPixelOffset; + uint PixelsPerRow; + uint RowStride; + uint RowsPerSlice; + float2 PositionOffset; + float2 PositionScale; + int2 TexLocationOffset; + int2 TexLocationScale; +} + +void ComputePositionAndIndex(uint vertexID, out VS_OUTPUT outVertex) +{ + uint PixelsPerSlice = PixelsPerRow * RowsPerSlice; + uint SliceStride = RowStride * RowsPerSlice; + + uint slice = vertexID / PixelsPerSlice; + uint sliceOffset = slice * PixelsPerSlice; + uint row = (vertexID - sliceOffset) / PixelsPerRow; + uint col = vertexID - sliceOffset - (row * PixelsPerRow); + + float2 coords = float2(float(col), float(row)); + + outVertex.position = float4(PositionOffset + PositionScale * coords, 0.0f, 1.0f); + outVertex.index = FirstPixelOffset + slice * SliceStride + row * RowStride + col; + outVertex.slice = slice; +} + +void VS_BufferToTexture(in uint vertexID : SV_VertexID, out VS_OUTPUT outVertex) +{ + ComputePositionAndIndex(vertexID, outVertex); +} + +[maxvertexcount(1)] +void GS_BufferToTexture(point VS_OUTPUT inVertex[1], inout PointStream<GS_OUTPUT> outStream) +{ + GS_OUTPUT outVertex; + outVertex.position = inVertex[0].position; + outVertex.index = inVertex[0].index; + outVertex.slice = inVertex[0].slice; + outStream.Append(outVertex); +} + +float4 PS_BufferToTexture_4F(in float4 inPosition : SV_Position, in uint inIndex : TEXCOORD0) : SV_Target +{ + return Buffer4F.Load(inIndex); +} + +int4 PS_BufferToTexture_4I(in float4 inPosition : SV_Position, in uint inIndex : TEXCOORD0) : SV_Target +{ + return Buffer4I.Load(inIndex); +} + +uint4 PS_BufferToTexture_4UI(in float4 inPosition : SV_Position, in uint inIndex : TEXCOORD0) : SV_Target +{ + return Buffer4UI.Load(inIndex); +} |