lucent/cocco-ddraw
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tweak shaders

Browse source
This commit is contained in:
FunkyFr3sh 2023-07-07 02:29:51 +02:00
parent f422ac1ee9
commit b600cb36ba
2 changed files with 12 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

10
inc/d3d9shader.h
View file

@ -434,6 +434,8 @@ uniform sampler2D SurfaceTex;
float4 TextureSize : register(c0);
#define SourceSize float4(TextureSize.xy, 1.0 / TextureSize.xy)
float4 catmull_rom(float2 coord)
{
// The following code is licensed under the MIT license: https://gist.github.com/TheRealMJP/bc503b0b87b643d3505d41eab8b332ae
@ -443,7 +445,7 @@ float4 catmull_rom(float2 coord)
// Modified to use 5 texture fetches
float2 samplePos = coord * TextureSize.xy;
float2 samplePos = coord * SourceSize.xy;
float2 texPos1 = floor(samplePos - 0.5f) + 0.5f;
float2 f = samplePos - texPos1;
@ -460,9 +462,9 @@ float4 catmull_rom(float2 coord)
float2 texPos3 = texPos1 + 2;
float2 texPos12 = texPos1 + offset12;
texPos0 /= TextureSize.xy;
texPos3 /= TextureSize.xy;
texPos12 /= TextureSize.xy;
texPos0 *= SourceSize.zw;
texPos3 *= SourceSize.zw;
texPos12 *= SourceSize.zw;
float wtm = w12.x * w0.y;
float wml = w0.x * w12.y;