gpu: GPU service scheduler.

content/browser/renderer_host/render_widget_host_view_android.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 42 matching lines @@
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/frame_metadata_util.h"
 #include "content/browser/renderer_host/input/input_router_impl.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target_android.h"
 #include "content/browser/renderer_host/input/web_input_event_builders_android.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate_view.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_input_event_router.h"
+#include "content/common/gpu_stream_constants.h"
 #include "content/common/input_messages.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/android/compositor.h"
 #include "content/public/browser/android/synchronous_compositor_client.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_iterator.h"
 #include "content/public/common/content_switches.h"
@@ skipping 95 matching lines @@
 
 void GLHelperHolder::Initialize() {
   auto* factory = BrowserGpuChannelHostFactory::instance();
   scoped_refptr<gpu::GpuChannelHost> gpu_channel_host(factory->GetGpuChannel());
 
   // The Browser Compositor is in charge of reestablishing the channel if its
   // missing.
   if (!gpu_channel_host)
     return;
 
+  int32_t stream_id = kGpuStreamIdDefault;
+  gpu::SchedulingPriority stream_priority = kGpuStreamPriorityUI;
+
   // This is for an offscreen context, so we don't need the default framebuffer
   // to have alpha, stencil, depth, antialiasing.
   gpu::gles2::ContextCreationAttribHelper attributes;
   attributes.alpha_size = -1;
   attributes.stencil_size = 0;
   attributes.depth_size = 0;
   attributes.samples = 0;
   attributes.sample_buffers = 0;
   attributes.bind_generates_resource = false;
 
   gpu::SharedMemoryLimits limits;
   // The GLHelper context doesn't do a lot of stuff, so we don't expect it to
   // need a lot of space for commands.
   limits.command_buffer_size = 1024;
   // The transfer buffer is used for shaders among other things, so give some
   // reasonable but small limit.
   limits.start_transfer_buffer_size = 4 * 1024;
   limits.min_transfer_buffer_size = 4 * 1024;
   limits.max_transfer_buffer_size = 128 * 1024;
   // Very few allocations from mapped memory pool, so this can be really low.
   limits.mapped_memory_reclaim_limit = 4 * 1024;
 
   constexpr bool automatic_flushes = false;
   constexpr bool support_locking = false;
   const GURL url("chrome://gpu/RenderWidgetHostViewAndroid");
 
   provider_ = new ui::ContextProviderCommandBuffer(
-      std::move(gpu_channel_host), gpu::GPU_STREAM_DEFAULT,
-      gpu::GpuStreamPriority::NORMAL, gpu::kNullSurfaceHandle, url,
-      automatic_flushes, support_locking, limits, attributes, nullptr,
+      std::move(gpu_channel_host), stream_id, stream_priority,
+      gpu::kNullSurfaceHandle, url, automatic_flushes, support_locking, limits,
+      attributes, nullptr,
       ui::command_buffer_metrics::BROWSER_OFFSCREEN_MAINTHREAD_CONTEXT);
   if (!provider_->BindToCurrentThread())
     return;
   provider_->ContextGL()->TraceBeginCHROMIUM(
       "gpu_toplevel",
       base::StringPrintf("CmdBufferImageTransportFactory-%p", provider_.get())
           .c_str());
   provider_->SetLostContextCallback(
       base::Bind(&GLHelperHolder::OnContextLost, base::Unretained(this)));
   gl_helper_.reset(new display_compositor::GLHelper(
@@ skipping 1973 matching lines @@
 
   ui::WindowAndroidCompositor* compositor = window_android->GetCompositor();
   if (!compositor)
     return;
 
   overscroll_controller_ = base::MakeUnique<OverscrollControllerAndroid>(
       overscroll_refresh_handler, compositor, view_.GetDipScale());
 }
 
 }  // namespace content