97 lines
2.4 KiB
HLSL
97 lines
2.4 KiB
HLSL
[[vk::binding(0, 0)]] RWTexture2D<float4> outImage;
|
|
|
|
[[vk::binding(1, 0)]] cbuffer compositeDesc
|
|
{
|
|
int nLayerCount;
|
|
int nSwapChannels;
|
|
|
|
float flScale0X;
|
|
float flScale0Y;
|
|
float flOffset0X;
|
|
float flOffset0Y;
|
|
float flOpacity0;
|
|
|
|
float flScale1X;
|
|
float flScale1Y;
|
|
float flOffset1X;
|
|
float flOffset1Y;
|
|
float flOpacity1;
|
|
|
|
float flScale2X;
|
|
float flScale2Y;
|
|
float flOffset2X;
|
|
float flOffset2Y;
|
|
float flOpacity2;
|
|
|
|
float flScale3X;
|
|
float flScale3Y;
|
|
float flOffset3X;
|
|
float flOffset3Y;
|
|
float flOpacity3;
|
|
}
|
|
|
|
[[vk::binding(2, 0)]] Texture2D inLayerTex0;
|
|
[[vk::binding(3, 0)]] SamplerState sampler0;
|
|
|
|
[[vk::binding(4, 0)]] Texture2D inLayerTex1;
|
|
[[vk::binding(5, 0)]] SamplerState sampler1;
|
|
|
|
[[vk::binding(6, 0)]] Texture2D inLayerTex2;
|
|
[[vk::binding(7, 0)]] SamplerState sampler2;
|
|
|
|
[[vk::binding(8, 0)]] Texture2D inLayerTex3;
|
|
[[vk::binding(9, 0)]] SamplerState sampler3;
|
|
|
|
[numthreads(8, 8, 1)]
|
|
void main(
|
|
uint3 groupId : SV_GroupID,
|
|
uint3 groupThreadId : SV_GroupThreadID,
|
|
uint3 dispatchThreadId : SV_DispatchThreadID,
|
|
uint groupIndex : SV_GroupIndex)
|
|
{
|
|
uint2 index = uint2(dispatchThreadId.x, dispatchThreadId.y);
|
|
|
|
uint2 outSize;
|
|
outImage.GetDimensions( outSize.x, outSize.y );
|
|
|
|
if ( index.x >= outSize.x || index.y >= outSize.y )
|
|
{
|
|
return;
|
|
}
|
|
|
|
float4 outputValue;
|
|
|
|
if ( nLayerCount >= 1 )
|
|
{
|
|
outputValue = inLayerTex0.Sample( sampler0, ( float2( index ) + float2( flOffset0X, flOffset0Y ) ) * float2( flScale0X, flScale0Y ) );
|
|
}
|
|
|
|
if ( nLayerCount >= 2 )
|
|
{
|
|
float4 layerSample = inLayerTex1.Sample( sampler1, ( float2( index ) + float2( flOffset1X, flOffset1Y ) ) * float2( flScale1X, flScale1Y ) );
|
|
float layerAlpha = flOpacity1 * layerSample.a;
|
|
outputValue = layerSample * layerAlpha + outputValue * ( 1.0 - layerAlpha );
|
|
}
|
|
|
|
if ( nLayerCount >= 3 )
|
|
{
|
|
float4 layerSample = inLayerTex2.Sample( sampler2, ( float2( index ) + float2( flOffset2X, flOffset2Y ) ) * float2( flScale2X, flScale2Y ) );
|
|
float layerAlpha = flOpacity2 * layerSample.a;
|
|
outputValue = layerSample * layerAlpha + outputValue * ( 1.0 - layerAlpha );
|
|
}
|
|
|
|
if ( nSwapChannels == 1 )
|
|
{
|
|
outImage [index] = outputValue.bgra;
|
|
}
|
|
else
|
|
{
|
|
outImage [index] = outputValue;
|
|
}
|
|
|
|
// indicator to quickly tell if we're in the compositing path or not
|
|
if ( 0 && index.x > 50 && index.x < 100 && index.y > 50 && index.y < 100 )
|
|
{
|
|
outImage [index] = float4(1.0,0.0,1.0,1.0);
|
|
}
|
|
}
|