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Clamp normal when calculating 2D lighting to avoid artifacts

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This commit is contained in:
clayjohn 2023-04-18 17:26:17 -07:00
parent a7276f1ce0
commit ab603e347f
2 changed files with 2 additions and 2 deletions
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2
drivers/gles3/shaders/canvas.glsl
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@ -589,7 +589,7 @@ void main() {
if (bool(read_draw_data_flags & FLAGS_FLIP_V)) {
normal.y = -normal.y;
}
normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));
normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
normal_used = true;
} else {
normal = vec3(0.0, 0.0, 1.0);

2
servers/rendering/renderer_rd/shaders/canvas.glsl
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@ -508,7 +508,7 @@ void main() {
if (bool(draw_data.flags & FLAGS_FLIP_V)) {
normal.y = -normal.y;
}
normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));
normal.z = sqrt(max(0.0, 1.0 - dot(normal.xy, normal.xy)));
normal_used = true;
} else {
normal = vec3(0.0, 0.0, 1.0);