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[4.3] Calculate pixel snap in canvas space instead of world space #746

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Oct 17, 2024
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[4.3] Calculate pixel snap in canvas space instead of world space #746

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4 changes: 2 additions & 2 deletions drivers/gles3/shaders/canvas.glsl
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Original file line number Diff line number Diff line change
Expand Up @@ -262,15 +262,15 @@ void main() {

color_interp = color;

vertex = (canvas_transform * vec4(vertex, 0.0, 1.0)).xy;

if (use_pixel_snap) {
vertex = floor(vertex + 0.5);
// precision issue on some hardware creates artifacts within texture
// offset uv by a small amount to avoid
uv += 1e-5;
}

vertex = (canvas_transform * vec4(vertex, 0.0, 1.0)).xy;

vertex_interp = vertex;
uv_interp = uv;

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4 changes: 2 additions & 2 deletions servers/rendering/renderer_rd/shaders/canvas.glsl
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Original file line number Diff line number Diff line change
Expand Up @@ -214,15 +214,15 @@ void main() {

color_interp = color;

vertex = (canvas_data.canvas_transform * vec4(vertex, 0.0, 1.0)).xy;

if (canvas_data.use_pixel_snap) {
vertex = floor(vertex + 0.5);
// precision issue on some hardware creates artifacts within texture
// offset uv by a small amount to avoid
uv += 1e-5;
}

vertex = (canvas_data.canvas_transform * vec4(vertex, 0.0, 1.0)).xy;

vertex_interp = vertex;
uv_interp = uv;

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