drinkingtea/nostalgia
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[nostalgia/core/opengl] Cleanup fragment shader

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This commit is contained in:
Gary Talent 2023-12-14 23:47:00 -06:00
parent 13ddbd981e
commit 1f2e9917f1
1 changed files with 1 additions and 7 deletions
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8
src/nostalgia/modules/core/src/opengl/gfx.cpp
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@ -54,14 +54,8 @@ constexpr ox::StringView bgfshadTmpl = R"glsl(
uniform sampler2D image;
uniform vec2 fSrcImgSz;
uniform vec4 fPalette[256];
vec2 pixelSz;
vec4 getColor(vec2 offset) {
vec2 p = fTexCoord + pixelSz * offset;
int idx = int(texture(image, p).rgb.r * 256);
return fPalette[idx];
}
void main() {
pixelSz = vec2(1, 1) / (fSrcImgSz);
vec2 pixelSz = vec2(1, 1) / (fSrcImgSz);
vec2 pixelCoord = floor(fTexCoord / pixelSz) * pixelSz;
outColor = fPalette[int(texture(image, fTexCoord).rgb.r * 256)];
//outColor = vec4(0.0, 0.7, 1.0, 1.0);