25 lines
562 B
HLSL
25 lines
562 B
HLSL
#include "common.hlsl"
|
|
#include "Color.hlsl"
|
|
|
|
struct VsOutput
|
|
{
|
|
float4 positionCS : SV_Position;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
VsOutput VSMain(uint id : SV_VertexID)
|
|
{
|
|
VsOutput vsOut;
|
|
vsOut.uv = float2((id << 1) & 2, id & 2);
|
|
vsOut.positionCS = float4(vsOut.uv * float2(2.0, -2.0) + float2(-1.0, 1.0), 0.0, 1.0);
|
|
return vsOut;
|
|
}
|
|
|
|
float4 PSMain(VsOutput psIn) : SV_Target
|
|
{
|
|
psIn.uv.y = 1.0 - psIn.uv.y;
|
|
float3 lum = SceneLuminance.Sample(SceneLuminanceSampler, psIn.uv).rgb;
|
|
lum = ExposeScene(lum);
|
|
return float4(lum, 1.0);
|
|
}
|