34 lines
923 B
HLSL
34 lines
923 B
HLSL
#include "BlurSharedData.hlsli"
|
|
|
|
[numthreads(N,1,1)]
|
|
void main(int3 ThreadID : SV_DispatchThreadID, int3 gThreadID : SV_GroupThreadID)
|
|
{
|
|
|
|
if(gThreadID.x < blurRadius)
|
|
{
|
|
int x = max(ThreadID.x-blurRadius,0);
|
|
gCache[gThreadID.x] = inTex[min(int2(x,ThreadID.y) + Start, Stop-1)];
|
|
}
|
|
if(gThreadID.x >= N-blurRadius)
|
|
{
|
|
int x = min(ThreadID.x+blurRadius,Stop.x-1);
|
|
gCache[gThreadID.x+2*blurRadius] = inTex[int2(x,ThreadID.y) + Start];
|
|
}
|
|
gCache[gThreadID.x+blurRadius] = inTex[min(ThreadID.xy + Start, Stop-1)];
|
|
|
|
GroupMemoryBarrierWithGroupSync();
|
|
|
|
float4 blurCol = float4(0,0,0,0);
|
|
|
|
[unroll]
|
|
for(int i = -blurRadius; i <= blurRadius;++i)
|
|
{
|
|
int k = gThreadID.x + blurRadius + i;
|
|
blurCol +=Weights[i + blurRadius] * gCache[k];
|
|
}
|
|
|
|
outTex[ThreadID.xy + Start] = blurCol * BlurMask + inTex[ThreadID.xy + Start] * ( float4(1,1,1,1) - BlurMask);
|
|
//outTex[ThreadID.xy + Start] = inTex[ThreadID.xy + Start];
|
|
}
|
|
|