cc: Delete the RendererClient class.

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 349 matching lines @@
   };
 
   gpu::gles2::GLES2Interface* gl_;
   unsigned query_id_;
   bool is_pending_;
   base::WeakPtrFactory<SyncQuery> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncQuery);
 };
 
-GLRenderer::GLRenderer(RendererClient* client,
-                       const RendererSettings* settings,
+GLRenderer::GLRenderer(const RendererSettings* settings,
                        OutputSurface* output_surface,
                        ResourceProvider* resource_provider,
                        TextureMailboxDeleter* texture_mailbox_deleter,
                        int highp_threshold_min)
-    : DirectRenderer(client, settings, output_surface, resource_provider),
+    : DirectRenderer(settings, output_surface, resource_provider),
       offscreen_framebuffer_id_(0),
       shared_geometry_quad_(QuadVertexRect()),
       gl_(output_surface->context_provider()->ContextGL()),
       context_support_(output_surface->context_provider()->ContextSupport()),
       texture_mailbox_deleter_(texture_mailbox_deleter),
-      is_backbuffer_discarded_(false),
       is_scissor_enabled_(false),
       scissor_rect_needs_reset_(true),
       stencil_shadow_(false),
       blend_shadow_(false),
       highp_threshold_min_(highp_threshold_min),
       highp_threshold_cache_(0),
       use_sync_query_(false),
       gl_composited_texture_quad_border_(
           settings->gl_composited_texture_quad_border),
       bound_geometry_(NO_BINDING),
@@ skipping 49 matching lines @@
   }
 
   CleanupSharedObjects();
 }
 
 const RendererCapabilitiesImpl& GLRenderer::Capabilities() const {
   return capabilities_;
 }
 
 void GLRenderer::DidChangeVisibility() {
-  if (!visible()) {
+  if (visible()) {
+    output_surface_->EnsureBackbuffer();
+  } else {
     TRACE_EVENT0("cc", "GLRenderer::DidChangeVisibility dropping resources");
     ReleaseRenderPassTextures();
-    DiscardBackbuffer();
+    output_surface_->DiscardBackbuffer();
   }
 
   PrepareGeometry(NO_BINDING);
 
   // Handle cleanup of resources on the ContextProvider. The compositor
   // ContextProvider is not shared, so always pass 0 for the client_id.
   // TODO(crbug.com/487471): Update this when we share compositor
   // ContextProviders.
   context_support_->SetClientVisible(0 /* client_id */, visible());
   bool aggressively_free_resources = !context_support_->AnyClientsVisible();
@@ skipping 2425 matching lines @@
   gfx::Transform quad_rect_matrix;
   QuadRectTransform(&quad_rect_matrix, draw_transform, quad_rect);
   static float gl_matrix[16];
   ToGLMatrix(&gl_matrix[0], projection_matrix * quad_rect_matrix);
   gl_->UniformMatrix4fv(matrix_location, 1, false, &gl_matrix[0]);
 
   gl_->DrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0);
 }
 
 void GLRenderer::SwapBuffers(CompositorFrameMetadata metadata) {
-  DCHECK(!is_backbuffer_discarded_);
+  DCHECK(visible());
 
   TRACE_EVENT0("cc,benchmark", "GLRenderer::SwapBuffers");
   // We're done! Time to swapbuffers!
 
   gfx::Size surface_size = output_surface_->SurfaceSize();
 
   CompositorFrame compositor_frame;
   compositor_frame.metadata = std::move(metadata);
   compositor_frame.gl_frame_data = base::WrapUnique(new GLFrameData);
   compositor_frame.gl_frame_data->size = surface_size;
@@ skipping 70 matching lines @@
     const gpu::TextureInUseResponses& responses) {
   DCHECK(settings_->release_overlay_resources_after_gpu_query);
   for (const gpu::TextureInUseResponse& response : responses) {
     if (!response.in_use) {
       swapped_and_acked_overlay_resources_.erase(response.texture);
     }
   }
   color_lut_cache_.Swap();
 }
 
-void GLRenderer::DiscardBackbuffer() {
-  if (is_backbuffer_discarded_)
-    return;
-
-  output_surface_->DiscardBackbuffer();
-
-  is_backbuffer_discarded_ = true;
-
-  // Damage tracker needs a full reset every time framebuffer is discarded.
-  client_->SetFullRootLayerDamage();
-}
-
-void GLRenderer::EnsureBackbuffer() {
-  if (!is_backbuffer_discarded_)
-    return;
-
-  output_surface_->EnsureBackbuffer();
-  is_backbuffer_discarded_ = false;
-}
-
 void GLRenderer::GetFramebufferPixelsAsync(
     const DrawingFrame* frame,
     const gfx::Rect& rect,
     std::unique_ptr<CopyOutputRequest> request) {
   DCHECK(!request->IsEmpty());
   if (request->IsEmpty())
     return;
   if (rect.IsEmpty())
     return;
 
@@ skipping 1051 matching lines @@
 
   gl_->ScheduleCALayerSharedStateCHROMIUM(
       ca_layer_overlay->shared_state->opacity, is_clipped, clip_rect,
       sorting_context_id, gl_transform);
   gl_->ScheduleCALayerCHROMIUM(
       texture_id, contents_rect, ca_layer_overlay->background_color,
       ca_layer_overlay->edge_aa_mask, bounds_rect, filter);
 }
 
 }  // namespace cc