diff options
author | Ryan Holtz <rholtz@batcountryentertainment.com> | 2013-08-28 00:36:02 +0000 |
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committer | Ryan Holtz <rholtz@batcountryentertainment.com> | 2013-08-28 00:36:02 +0000 |
commit | a86d35158c890edd96950f980c2a8545ba35e2f9 (patch) | |
tree | 3919411d8ad5aab33af091445588bea1275e0fb0 /hlsl/phosphor.fx | |
parent | 80fa5fade3d0e8a56588d2a02713cc7715ee3fc2 (diff) |
minor shader cleanup, nw
Diffstat (limited to 'hlsl/phosphor.fx')
-rw-r--r-- | hlsl/phosphor.fx | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/hlsl/phosphor.fx b/hlsl/phosphor.fx index b1842fdf02a..99f7574e1f5 100644 --- a/hlsl/phosphor.fx +++ b/hlsl/phosphor.fx @@ -59,8 +59,7 @@ struct PS_INPUT // Simple Vertex Shader //----------------------------------------------------------------------------- -uniform float TargetWidth; -uniform float TargetHeight; +uniform float2 ScreenDims; uniform float TextureWidth; uniform float TextureHeight; @@ -72,16 +71,14 @@ VS_OUTPUT vs_main(VS_INPUT Input) VS_OUTPUT Output = (VS_OUTPUT)0; Output.Position = float4(Input.Position.xyz, 1.0f); - Output.Position.x /= TargetWidth; - Output.Position.y /= TargetHeight; + Output.Position.xy /= ScreenDims; Output.Position.y = 1.0f - Output.Position.y; - Output.Position.x -= 0.5f; - Output.Position.y -= 0.5f; + Output.Position.xy -= 0.5f; Output.Position *= float4(2.0f, 2.0f, 1.0f, 1.0f); Output.Color = Input.Color; - float2 InvTexSize = float2(1.0f / TextureWidth, 1.0f / TextureHeight); - Output.TexCoord = Input.TexCoord + float2(0.5f, 0.5f) * InvTexSize; + float2 HalfTexOffset = 0.5f / float2(TextureWidth, TextureHeight); + Output.TexCoord = Input.TexCoord + HalfTexOffset; Output.PrevCoord = Output.TexCoord; return Output; |