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Revert "Slightly optimize IndexedToRGB.gdshader"

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This reverts commit 7cf87ac142.
This commit is contained in:
Emmanouil Papadeas 2024-11-22 18:29:27 +02:00
parent 11da07b9ac
commit d580523c6e
1 changed files with 3 additions and 3 deletions
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6
src/Shaders/IndexedToRGB.gdshader
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@ -7,14 +7,14 @@ uniform sampler2D palette_texture : filter_nearest;
uniform sampler2D indices_texture : filter_nearest; uniform sampler2D indices_texture : filter_nearest;
void fragment() { void fragment() {
float index = texture(indices_texture, UV).r * 255.0; float index = texture(indices_texture, UV).r;
if (index <= EPSILON) { // If index is zero, make it transparent if (index <= EPSILON) { // If index is zero, make it transparent
COLOR = vec4(0.0); COLOR = vec4(0.0);
} }
else { else {
float n_of_colors = float(textureSize(palette_texture, 0).x); float n_of_colors = float(textureSize(palette_texture, 0).x);
index -= 1.0; index -= 1.0 / 255.0;
float index_normalized = index / n_of_colors; float index_normalized = ((index * 255.0)) / n_of_colors;
if (index_normalized + EPSILON < 1.0) { if (index_normalized + EPSILON < 1.0) {
COLOR = texture(palette_texture, vec2(index_normalized + EPSILON, 0.0)); COLOR = texture(palette_texture, vec2(index_normalized + EPSILON, 0.0));
} }