Include mask texture size in RenderPassDrawQuad

mojo/services/public/interfaces/surfaces/quads.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import "mojo/services/public/interfaces/geometry/geometry.mojom"
 import "mojo/services/public/interfaces/surfaces/surface_id.mojom"
 
 module mojo {
 
 struct Color {
@@ skipping 10 matching lines @@
 struct RenderPassId {
   int32 layer_id;
   int32 index;
 };
 
 struct RenderPassQuadState {
   RenderPassId render_pass_id;
 
   // If nonzero, resource id of mask to use when drawing this pass.
   uint32 mask_resource_id;
-  RectF mask_uv_rect;
+  PointF mask_uv_scale;
+  Size mask_texture_size;
 
   // Post-processing filters, applied to the pixels in the render pass' texture.
   // TODO(jamesr): Support
   // FilterOperations filters;
 
   // The scale from layer space of the root layer of the render pass to
   // the render pass physical pixels. This scale is applied to the filter
   // parameters for pixel-moving filters. This scale should include
   // content-to-target-space scale, and device pixel ratio.
   PointF filters_scale;
@@ skipping 159 matching lines @@
   int32 id;
   Rect output_rect;
   Rect damage_rect;
   Transform transform_to_root_target;
   bool has_transparent_background;
   array<Quad> quads;
   array<SharedQuadState> shared_quad_states;
 };
 
 }