diff options
Diffstat (limited to 'hlsl/focus.fx')
-rw-r--r-- | hlsl/focus.fx | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/hlsl/focus.fx b/hlsl/focus.fx index 5f329e9634e..1e2e668911b 100644 --- a/hlsl/focus.fx +++ b/hlsl/focus.fx @@ -51,7 +51,6 @@ struct PS_INPUT uniform float2 ScreenDims; uniform float2 TargetDims; -uniform float2 SourceRect; uniform float2 QuadDims; VS_OUTPUT vs_main(VS_INPUT Input) @@ -64,7 +63,7 @@ VS_OUTPUT vs_main(VS_INPUT Input) Output.Position.xy -= 0.5f; // center Output.Position.xy *= 2.0f; // zoom - float2 TexCoord = Input.TexCoord; + float2 TexCoord = Input.Position.xy / ScreenDims; TexCoord += 0.5f / TargetDims; // half texel offset correction (DX9) Output.TexCoord = TexCoord; @@ -93,15 +92,13 @@ static const float2 Coord8Offset = float2( 1.00f, -0.25f); float4 ps_main(PS_INPUT Input) : COLOR { - float2 QuadRatio = - float2(1.0f, SwapXY - ? QuadDims.y / QuadDims.x - : QuadDims.x / QuadDims.y); + // we have to handle the swap of the coordinates ourself, because we are using screen not texture coordinates + float2 defocus = SwapXY ? Defocus.yx : Defocus.xy; - // imaginary texel dimensions independed from quad dimensions, but dependend on quad ratio - float2 TexelDims = (1.0f / 1024.0) * SourceRect * QuadRatio; + // imaginary texel dimensions independed from screen dimension, but ratio + float2 TexelDims = (1.0f / 1024) * (QuadDims / ScreenDims); - float2 DefocusTexelDims = Defocus * TexelDims; + float2 DefocusTexelDims = defocus * TexelDims; float4 d = tex2D(DiffuseSampler, Input.TexCoord); float3 d1 = tex2D(DiffuseSampler, Input.TexCoord + Coord1Offset * DefocusTexelDims).rgb; |