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webgl: Avoid GL errors with LineWidth commands.

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This commit is contained in:
Josh Matthews 2020-04-08 12:54:12 -04:00
parent 2128bf1e05
commit 16d67b1283
1 changed files with 7 additions and 1 deletions
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8
components/canvas/webgl_thread.rs
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@ -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) => {