From a86d35158c890edd96950f980c2a8545ba35e2f9 Mon Sep 17 00:00:00 2001 From: Ryan Holtz Date: Wed, 28 Aug 2013 00:36:02 +0000 Subject: minor shader cleanup, nw --- hlsl/phosphor.fx | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) (limited to 'hlsl/phosphor.fx') 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; -- cgit v1.2.3