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Fix uv_orig coordinates in warp shader.

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Should fix visuals in about half of the presets.
This commit is contained in:
Kai Blaschke
2023-03-18 13:48:00 +01:00
parent 0ac9fe20f3
commit 2707a1d221
1 changed files with 5 additions and 1 deletions
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6
src/libprojectM/Renderer/StaticGlShaders.cpp
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@ -546,6 +546,10 @@ void main() {
vec2 uv = vec2(pos.x * aspectX * 0.5 * zoom2Inverse + 0.5,
pos.y * aspectY * 0.5 * zoom2Inverse + 0.5);
// original UV coordinates
vec2 uv_original = vec2(pos.x * 0.5 + 0.5 + texelOffset.x,
-pos.y * 0.5 + 0.5 + texelOffset.y);
// Stretch on X, Y
uv.x = (uv.x - center.x) / stretch.x + center.x;
uv.y = (uv.y - center.y) / stretch.y + center.y;
@ -577,7 +581,7 @@ void main() {
frag_COLOR = vec4(decay, decay, decay, 1.0);
frag_TEXCOORD0.xy = uv;
frag_TEXCOORD0.zw = gl_Position.xy;
frag_TEXCOORD0.zw = uv_original;
frag_TEXCOORD1 = vertex_position.zw;
}
)";