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-rw-r--r--hlsl/downsample.fx31
1 files changed, 7 insertions, 24 deletions
diff --git a/hlsl/downsample.fx b/hlsl/downsample.fx
index 9a77d12d6ac..9dcaf7b90a0 100644
--- a/hlsl/downsample.fx
+++ b/hlsl/downsample.fx
@@ -25,9 +25,6 @@ struct VS_OUTPUT
float4 Color : COLOR0;
float4 TexCoord01 : TEXCOORD0;
float4 TexCoord23 : TEXCOORD1;
- float4 TexCoord45 : TEXCOORD2;
- float4 TexCoord67 : TEXCOORD3;
- float4 TexCoord89 : TEXCOORD4;
};
struct VS_INPUT
@@ -42,9 +39,6 @@ struct PS_INPUT
float4 Color : COLOR0;
float4 TexCoord01 : TEXCOORD0;
float4 TexCoord23 : TEXCOORD1;
- float4 TexCoord45 : TEXCOORD2;
- float4 TexCoord67 : TEXCOORD3;
- float4 TexCoord89 : TEXCOORD4;
};
//-----------------------------------------------------------------------------
@@ -53,6 +47,7 @@ struct PS_INPUT
uniform float2 TargetSize;
uniform float2 SourceSize;
+uniform float BloomRescale;
VS_OUTPUT vs_main(VS_INPUT Input)
{
@@ -64,17 +59,11 @@ VS_OUTPUT vs_main(VS_INPUT Input)
Output.Position.xy -= 0.5f;
Output.Position.xy *= 2.0f;
Output.Color = Input.Color;
- float2 inversePixel = 1.0f / TargetSize;
- Output.TexCoord01.xy = Input.Position.xy * inversePixel + float2(0.00f + 0.5f, 0.00f + 0.5f) * inversePixel;
- Output.TexCoord01.zw = Input.Position.xy * inversePixel + float2(0.50f + 0.5f, 0.00f + 0.5f) * inversePixel;
- Output.TexCoord23.xy = Input.Position.xy * inversePixel + float2(0.25f + 0.5f, 0.25f + 0.5f) * inversePixel;
- Output.TexCoord23.zw = Input.Position.xy * inversePixel + float2(0.50f + 0.5f, 0.25f + 0.5f) * inversePixel;
- Output.TexCoord45.xy = Input.Position.xy * inversePixel + float2(0.75f + 0.5f, 0.25f + 0.5f) * inversePixel;
- Output.TexCoord45.zw = Input.Position.xy * inversePixel + float2(0.00f + 0.5f, 0.50f + 0.5f) * inversePixel;
- Output.TexCoord67.xy = Input.Position.xy * inversePixel + float2(0.50f + 0.5f, 0.50f + 0.5f) * inversePixel;
- Output.TexCoord67.zw = Input.Position.xy * inversePixel + float2(0.00f + 0.5f, 0.75f + 0.5f) * inversePixel;
- Output.TexCoord89.xy = Input.Position.xy * inversePixel + float2(0.25f + 0.5f, 0.75f + 0.5f) * inversePixel;
- Output.TexCoord89.zw = Input.Position.xy * inversePixel + float2(0.75f + 0.5f, 0.75f + 0.5f) * inversePixel;
+ float2 inversePixel = 1.0f / SourceSize;
+ Output.TexCoord01.xy = Input.Position.xy * inversePixel + float2(0.5f, 0.5f) * inversePixel;
+ Output.TexCoord01.zw = Input.Position.xy * inversePixel + float2(1.5f, 0.5f) * inversePixel;
+ Output.TexCoord23.xy = Input.Position.xy * inversePixel + float2(0.5f, 1.5f) * inversePixel;
+ Output.TexCoord23.zw = Input.Position.xy * inversePixel + float2(1.5f, 1.5f) * inversePixel;
return Output;
}
@@ -89,13 +78,7 @@ float4 ps_main(PS_INPUT Input) : COLOR
float4 texel1 = tex2D(DiffuseSampler, Input.TexCoord01.zw);
float4 texel2 = tex2D(DiffuseSampler, Input.TexCoord23.xy);
float4 texel3 = tex2D(DiffuseSampler, Input.TexCoord23.zw);
- float4 texel4 = tex2D(DiffuseSampler, Input.TexCoord45.xy);
- float4 texel5 = tex2D(DiffuseSampler, Input.TexCoord45.zw);
- float4 texel6 = tex2D(DiffuseSampler, Input.TexCoord67.xy);
- float4 texel7 = tex2D(DiffuseSampler, Input.TexCoord67.zw);
- float4 texel8 = tex2D(DiffuseSampler, Input.TexCoord89.xy);
- float4 texel9 = tex2D(DiffuseSampler, Input.TexCoord89.zw);
- float4 outTexel = (texel0 + texel1 + texel2 + texel3 + texel4 + texel5 + texel6 + texel7 + texel8 + texel9) * 0.1f;
+ float4 outTexel = (texel0 + texel1 + texel2 + texel3) * BloomRescale;
return float4(outTexel.rgb, 1.0f);
}