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tweak shaders

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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
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10
inc/d3d9shader.h
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@ -434,6 +434,8 @@ uniform sampler2D SurfaceTex;
float4 TextureSize : register(c0); float4 TextureSize : register(c0);
#define SourceSize float4(TextureSize.xy, 1.0 / TextureSize.xy)
float4 catmull_rom(float2 coord) float4 catmull_rom(float2 coord)
{ {
// The following code is licensed under the MIT license: https://gist.github.com/TheRealMJP/bc503b0b87b643d3505d41eab8b332ae // 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 // 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 texPos1 = floor(samplePos - 0.5f) + 0.5f;
float2 f = samplePos - texPos1; float2 f = samplePos - texPos1;
@ -460,9 +462,9 @@ float4 catmull_rom(float2 coord)
float2 texPos3 = texPos1 + 2; float2 texPos3 = texPos1 + 2;
float2 texPos12 = texPos1 + offset12; float2 texPos12 = texPos1 + offset12;
texPos0 /= TextureSize.xy; texPos0 *= SourceSize.zw;
texPos3 /= TextureSize.xy; texPos3 *= SourceSize.zw;
texPos12 /= TextureSize.xy; texPos12 *= SourceSize.zw;
float wtm = w12.x * w0.y; float wtm = w12.x * w0.y;
float wml = w0.x * w12.y; float wml = w0.x * w12.y;

12
inc/openglshader.h
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@ -171,9 +171,9 @@ const char CATMULL_ROM_FRAG_SHADER[] =
" vec2 texPos3 = texPos1 + 2.;\n" " vec2 texPos3 = texPos1 + 2.;\n"
" vec2 texPos12 = texPos1 + offset12;\n" " vec2 texPos12 = texPos1 + offset12;\n"
"\n" "\n"
" texPos0 /= SourceSize.xy;\n" " texPos0 *= SourceSize.zw;\n"
" texPos3 /= SourceSize.xy;\n" " texPos3 *= SourceSize.zw;\n"
" texPos12 /= SourceSize.xy;\n" " texPos12 *= SourceSize.zw;\n"
"\n" "\n"
" float wtm = w12.x * w0.y;\n" " float wtm = w12.x * w0.y;\n"
" float wml = w0.x * w12.y;\n" " float wml = w0.x * w12.y;\n"
@ -229,9 +229,9 @@ const char CATMULL_ROM_FRAG_SHADER_CORE[] =
" vec2 texPos3 = texPos1 + 2.;\n" " vec2 texPos3 = texPos1 + 2.;\n"
" vec2 texPos12 = texPos1 + offset12;\n" " vec2 texPos12 = texPos1 + offset12;\n"
"\n" "\n"
" texPos0 /= SourceSize.xy;\n" " texPos0 *= SourceSize.zw;\n"
" texPos3 /= SourceSize.xy;\n" " texPos3 *= SourceSize.zw;\n"
" texPos12 /= SourceSize.xy;\n" " texPos12 *= SourceSize.zw;\n"
"\n" "\n"
" float wtm = w12.x * w0.y;\n" " float wtm = w12.x * w0.y;\n"
" float wml = w0.x * w12.y;\n" " float wml = w0.x * w12.y;\n"