diff options
Diffstat (limited to 'hlsl/focus.fx')
-rw-r--r-- | hlsl/focus.fx | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/hlsl/focus.fx b/hlsl/focus.fx index c5e5262fedd..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; @@ -78,30 +77,28 @@ VS_OUTPUT vs_main(VS_INPUT Input) // Defocus Pixel Shader //----------------------------------------------------------------------------- -float2 Coord1Offset = float2( 0.75f, 0.50f); -float2 Coord2Offset = float2( 0.25f, 1.00f); -float2 Coord3Offset = float2(-0.50f, 0.75f); -float2 Coord4Offset = float2(-1.00f, 0.25f); -float2 Coord5Offset = float2(-0.75f, -0.50f); -float2 Coord6Offset = float2(-0.25f, -1.00f); -float2 Coord7Offset = float2( 0.50f, -0.75f); -float2 Coord8Offset = float2( 1.00f, -0.25f); - uniform float2 Defocus = float2(0.0f, 0.0f); uniform bool SwapXY = false; +static const float2 Coord1Offset = float2( 0.75f, 0.50f); +static const float2 Coord2Offset = float2( 0.25f, 1.00f); +static const float2 Coord3Offset = float2(-0.50f, 0.75f); +static const float2 Coord4Offset = float2(-1.00f, 0.25f); +static const float2 Coord5Offset = float2(-0.75f, -0.50f); +static const float2 Coord6Offset = float2(-0.25f, -1.00f); +static const float2 Coord7Offset = float2( 0.50f, -0.75f); +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; |