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Calculate pixel snap in canvas space instead of world space

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This ensures that you are actually snapping to pixels in the viewport and not an arbitrary amount

(cherry picked from commit godotengine/godot@e75900e1ad)
This commit is contained in:
clayjohn
2024-09-20 17:43:33 -07:00
committed by Spartan322
parent fe04f5ff9b
commit f922687d3a
2 changed files with 4 additions and 4 deletions
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4
drivers/gles3/shaders/canvas.glsl
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@@ -262,6 +262,8 @@ 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
@@ -269,8 +271,6 @@ void main() {
uv += 1e-5;
}
vertex = (canvas_transform * vec4(vertex, 0.0, 1.0)).xy;
vertex_interp = vertex;
uv_interp = uv;

4
servers/rendering/renderer_rd/shaders/canvas.glsl
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@@ -214,6 +214,8 @@ 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
@@ -221,8 +223,6 @@ void main() {
uv += 1e-5;
}
vertex = (canvas_data.canvas_transform * vec4(vertex, 0.0, 1.0)).xy;
vertex_interp = vertex;
uv_interp = uv;