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authorJosh Matthews <josh@joshmatthews.net>2020-04-08 12:54:12 -0400
committerJosh Matthews <josh@joshmatthews.net>2020-04-08 12:54:12 -0400
commit16d67b1283c214cc898b1dca25318522cf45ecf1 (patch)
tree1bf249d39fd39d70078e0c49f6d1b6b80b0722b9 /components/canvas/webgl_thread.rs
parent2128bf1e05bfb6adac343047310d7117b80c0068 (diff)
downloadservo-16d67b1283c214cc898b1dca25318522cf45ecf1.tar.gz
servo-16d67b1283c214cc898b1dca25318522cf45ecf1.zip
webgl: Avoid GL errors with LineWidth commands.
Diffstat (limited to 'components/canvas/webgl_thread.rs')
-rw-r--r--components/canvas/webgl_thread.rs8
1 files changed, 7 insertions, 1 deletions
diff --git a/components/canvas/webgl_thread.rs b/components/canvas/webgl_thread.rs
index 8d63b6973f0..28c5bb7240b 100644
--- a/components/canvas/webgl_thread.rs
+++ b/components/canvas/webgl_thread.rs
@@ -1184,7 +1184,13 @@ impl WebGLImpl {
gl.enable_vertex_attrib_array(attrib_id)
},
WebGLCommand::Hint(name, val) => gl.hint(name, val),
- WebGLCommand::LineWidth(width) => gl.line_width(width),
+ WebGLCommand::LineWidth(width) => {
+ gl.line_width(width);
+ // In OpenGL Core Profile >3.2, any non-1.0 value will generate INVALID_VALUE.
+ if width != 1.0 {
+ let _ = gl.get_error();
+ }
+ },
WebGLCommand::PixelStorei(name, val) => gl.pixel_store_i(name, val),
WebGLCommand::PolygonOffset(factor, units) => gl.polygon_offset(factor, units),
WebGLCommand::ReadPixels(rect, format, pixel_type, ref sender) => {