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GPU: Ensure Absolute Ratio During SDF-Widget Drawing #107327

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Jeroen Bakker merged 1 commits from Jeroen-Bakker/blender:gpu-widget-shader-deriviates into main 2023-04-25 12:08:48 +02:00
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source/blender/gpu/shaders/gpu_shader_2D_widget_base_frag.glsl
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@ -8,7 +8,7 @@ vec3 compute_masks(vec2 uv)
/* Correct aspect ratio for 2D views not using uniform scaling.
* uv is already in pixel space so a uniform scale should give us a ratio of 1. */
float ratio = (butCo != -2.0) ? (dFdy(uv.y) / dFdx(uv.x)) : 1.0;
float ratio = (butCo != -2.0) ? abs(dFdy(uv.y) / dFdx(uv.x)) : 1.0;
vec2 uv_sdf = uv;
uv_sdf.x *= ratio;