Merge pull request #26567 from clayjohn/pixel_snap_artifact

Fixed pixel snap precision artifact
godotengine · Mar 4, 2019 · b753223 · b753223
2 parents ab11496 + b804c49
commit b753223
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diff --git a/drivers/gles2/shaders/canvas.glsl b/drivers/gles2/shaders/canvas.glsl
@@ -162,6 +162,9 @@ VERTEX_SHADER_CODE
 
 #ifdef USE_PIXEL_SNAP
 	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv += 1e-5;
 #endif
 
 #ifdef USE_SKELETON

diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
@@ -173,6 +173,9 @@ VERTEX_SHADER_CODE
 
 #ifdef USE_PIXEL_SNAP
 	outvec.xy = floor(outvec + 0.5).xy;
+	// precision issue on some hardware creates artifacts within texture
+	// offset uv by a small amount to avoid
+	uv_interp += 1e-5;
 #endif
 
 #ifdef USE_SKELETON