cc: Fork OverlayCandidate to CALayerOverlay

cc/output/gl_renderer.cc

 // Copyright 2010 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.
 
 #include "cc/output/gl_renderer.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <string>
@@ skipping 2434 matching lines @@
     current_sync_query_->End();
     pending_sync_queries_.push_back(current_sync_query_.Pass());
   }
 
   current_framebuffer_lock_ = nullptr;
   swap_buffer_rect_.Union(frame->root_damage_rect);
 
   gl_->Disable(GL_BLEND);
   blend_shadow_ = false;
 
+  ScheduleCALayers(frame);
   ScheduleOverlays(frame);
 }
 
 void GLRenderer::FinishDrawingQuadList() {
   FlushTextureQuadCache(SHARED_BINDING);
 }
 
 bool GLRenderer::FlippedFramebuffer(const DrawingFrame* frame) const {
   if (frame->current_render_pass != frame->root_render_pass)
     return true;
@@ skipping 1055 matching lines @@
   // Call SetViewport directly, rather than through PrepareSurfaceForPass.
   // PrepareSurfaceForPass also clears the surface, which is not desired when
   // restoring.
   SetViewport();
 }
 
 bool GLRenderer::IsContextLost() {
   return gl_->GetGraphicsResetStatusKHR() != GL_NO_ERROR;
 }
 
+void GLRenderer::ScheduleCALayers(DrawingFrame* frame) {
+  for (const CALayerOverlay& ca_layer_overlay : frame->ca_layer_overlay_list) {
+    unsigned texture_id = 0;
+    if (ca_layer_overlay.contents_resource_id) {
+      pending_overlay_resources_.push_back(
+          make_scoped_ptr(new ResourceProvider::ScopedReadLockGL(
+              resource_provider_, ca_layer_overlay.contents_resource_id)));
+      texture_id = pending_overlay_resources_.back()->texture_id();
+    }
+    GLfloat contents_rect[4] = {
+        ca_layer_overlay.contents_rect.x(), ca_layer_overlay.contents_rect.y(),
+        ca_layer_overlay.contents_rect.width(),
+        ca_layer_overlay.contents_rect.height(),
+    };
+    GLfloat bounds_size[2] = {
+        ca_layer_overlay.bounds_size.width(),
+        ca_layer_overlay.bounds_size.height(),
+    };
+    GLfloat transform[16];
+    ca_layer_overlay.transform.asColMajorf(transform);
+    gl_->ScheduleCALayerCHROMIUM(
+        texture_id, contents_rect, ca_layer_overlay.opacity,
+        ca_layer_overlay.background_color, bounds_size, transform);
+  }
+}
+
 void GLRenderer::ScheduleOverlays(DrawingFrame* frame) {
   if (!frame->overlay_list.size())
     return;
 
   OverlayCandidateList& overlays = frame->overlay_list;
   for (const OverlayCandidate& overlay : overlays) {
     unsigned texture_id = 0;
     if (overlay.use_output_surface_for_resource) {
       texture_id = output_surface_->GetOverlayTextureId();
       DCHECK(texture_id || IsContextLost());
     } else {
       pending_overlay_resources_.push_back(
           make_scoped_ptr(new ResourceProvider::ScopedReadLockGL(
               resource_provider_, overlay.resource_id)));
       texture_id = pending_overlay_resources_.back()->texture_id();
     }
 
     context_support_->ScheduleOverlayPlane(
         overlay.plane_z_order, overlay.transform, texture_id,
         ToNearestRect(overlay.display_rect), overlay.uv_rect);
   }
 }
 
 }  // namespace cc