| cbuffer ConstantBuffer : register(b0) |
| { |
| float4x4 qt_Matrix; |
| float qt_Opacity; |
| float2 offset; |
| float darkness; |
| float2 delta; |
| }; |
| |
| Texture2D source : register(t0); |
| Texture2D shadow : register(t1); |
| SamplerState samp : register(s0); |
| // Use the same sampler for both textures. In fact the engine will create an extra static sampler |
| // in any case (to match the number of textures) due to some internals, but that won't hurt, the |
| // shader works either way. |
| |
| float4 PS_Shadow2(float4 position : SV_POSITION, float2 coord : TEXCOORD0) : SV_TARGET |
| { |
| float4 fg = source.Sample(samp, coord); |
| float4 bg = shadow.Sample(samp, coord + delta); |
| return (fg + float4(0.0, 0.0, 0.0, darkness * bg.a) * (1.0 - fg.a)) * qt_Opacity; |
| } |
