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Send absolute screen coordinates to texture shaders.

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This commit is contained in:
Felix Dick
2022-09-29 23:19:56 +02:00
parent e5dced8b3f
commit 6eb7d00386
2 changed files with 7 additions and 10 deletions
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8
src/render/shaders/Textures.hpp
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@@ -6,10 +6,10 @@ inline static constexpr auto ROUNDED_SHADER_FUNC = [](const std::string colorVar
return R"#(
// branchless baby!
vec2 bottomRight = fullSize - radius;
vec2 pixCoord = v_texcoord - vec2(0.5);
pixCoord *= (vec2(lessThan(pixCoord, vec2(0.0))) * vec2(-2.0) + vec2(1.0)) * fullSize;
pixCoord -= (bottomRight - topLeft) * vec2(0.5);
highp vec2 pixCoord = vec2(gl_FragCoord);
pixCoord -= (topLeft + fullSize / vec2(2.0));
pixCoord *= (vec2(lessThan(pixCoord, vec2(0.0))) * vec2(-2.0) + vec2(1.0));
pixCoord -= fullSize * vec2(0.5) - vec2(radius);
if (all(greaterThan(pixCoord, vec2(0.0)))) {