Bug 1355590 - Fix WrClipRegion/WrRect mismatch in a couple of Rust FFI functions. r=mtseng

MozReview-Commit-ID: 4gUyk4cRTAo

gfx/webrender_bindings/src/bindings.rs

@@ -1275,7 +1275,7 @@ pub extern "C" fn wr_dp_push_border_image(state: &mut WrState,
 }
 
 #[no_mangle]
-pub extern "C" fn wr_dp_push_border_gradient(state: &mut WrState, rect: WrRect, clip: WrRect,
+pub extern "C" fn wr_dp_push_border_gradient(state: &mut WrState, rect: WrRect, clip: WrClipRegion,
                                              widths: WrBorderWidths,
                                              start_point: WrPoint, end_point: WrPoint,
                                              stops: *const WrGradientStop, stops_count: usize,
@@ -1283,7 +1283,6 @@ pub extern "C" fn wr_dp_push_border_gradient(state: &mut WrState, rect: WrRect,
                                              outset: WrSideOffsets2Df32) {
     assert!( unsafe { is_in_main_thread() });
     let stops = WrGradientStop::to_gradient_stops(unsafe { slice::from_raw_parts(stops, stops_count) });
-    let clip_region = state.frame_builder.dl_builder.new_clip_region(&clip.to_rect(), Vec::new(), None);
     let border_details = BorderDetails::Gradient(GradientBorder {
         gradient: state.frame_builder.dl_builder.create_gradient(
                       start_point.to_point(), end_point.to_point(),
@@ -1292,13 +1291,13 @@ pub extern "C" fn wr_dp_push_border_gradient(state: &mut WrState, rect: WrRect,
     });
     state.frame_builder.dl_builder.push_border(
                                     rect.to_rect(),
-                                    clip_region,
+                                    clip.to_clip_region(),
                                     widths.to_border_widths(),
                                     border_details);
 }
 
 #[no_mangle]
-pub extern "C" fn wr_dp_push_border_radial_gradient(state: &mut WrState, rect: WrRect, clip: WrRect,
+pub extern "C" fn wr_dp_push_border_radial_gradient(state: &mut WrState, rect: WrRect, clip: WrClipRegion,
                                                     widths: WrBorderWidths,
                                                     center: WrPoint,
                                                     radius: WrSize,
@@ -1307,7 +1306,6 @@ pub extern "C" fn wr_dp_push_border_radial_gradient(state: &mut WrState, rect: W
                                                     outset: WrSideOffsets2Df32) {
     assert!( unsafe { is_in_main_thread() });
     let stops = WrGradientStop::to_gradient_stops(unsafe { slice::from_raw_parts(stops, stops_count) });
-    let clip_region = state.frame_builder.dl_builder.new_clip_region(&clip.to_rect(), Vec::new(), None);
     let border_details = BorderDetails::RadialGradient(RadialGradientBorder {
         gradient: state.frame_builder.dl_builder.create_radial_gradient(center.to_point(),
                                                                         radius.to_size(),
@@ -1317,7 +1315,7 @@ pub extern "C" fn wr_dp_push_border_radial_gradient(state: &mut WrState, rect: W
     });
     state.frame_builder.dl_builder.push_border(
                                     rect.to_rect(),
-                                    clip_region,
+                                    clip.to_clip_region(),
                                     widths.to_border_widths(),
                                     border_details);
 }