ui/compositor/test/test_compositor_host_ozone.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/compositor/test/test_compositor_host.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/bind.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/logging.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/thread_task_runner_handle.h"
  14 #include "ui/compositor/compositor.h"
  15 #include "ui/gfx/geometry/rect.h"
  16
  17 namespace ui {
  18
  19 class TestCompositorHostOzone : public TestCompositorHost {
  20  public:
  21   TestCompositorHostOzone(const gfx::Rect& bounds,
  22                           ui::ContextFactory* context_factory);
  23   ~TestCompositorHostOzone() override;
  24
  25  private:
  26   // Overridden from TestCompositorHost:
  27   void Show() override;
  28   ui::Compositor* GetCompositor() override;
  29
  30   gfx::Rect bounds_;
  31
  32   ui::ContextFactory* context_factory_;
  33
  34   ui::Compositor compositor_;
  35
  36   DISALLOW_COPY_AND_ASSIGN(TestCompositorHostOzone);
  37 };
  38
  39 TestCompositorHostOzone::TestCompositorHostOzone(
  40     const gfx::Rect& bounds,
  41     ui::ContextFactory* context_factory)
  42     : bounds_(bounds),
  43       context_factory_(context_factory),
  44       compositor_(context_factory, base::ThreadTaskRunnerHandle::Get()) {}
  45
  46 TestCompositorHostOzone::~TestCompositorHostOzone() {}
  47
  48 void TestCompositorHostOzone::Show() {
  49   // Ozone should rightly have a backing native framebuffer
  50   // An in-memory array draw into by OSMesa is a reasonble
  51   // fascimile of a dumb framebuffer at present.
  52   // GLSurface will allocate the array so long as it is provided
  53   // with a non-0 widget.
  54   // TODO(rjkroege): Use a "real" ozone widget when it is
  55   // available: http://crbug.com/255128
  56   compositor_.SetAcceleratedWidgetAndStartCompositor(1);
  57   compositor_.SetScaleAndSize(1.0f, bounds_.size());
  58 }
  59
  60 ui::Compositor* TestCompositorHostOzone::GetCompositor() {
  61   return &compositor_;
  62 }
  63
  64 // static
  65 TestCompositorHost* TestCompositorHost::Create(
  66     const gfx::Rect& bounds,
  67     ui::ContextFactory* context_factory) {
  68   return new TestCompositorHostOzone(bounds, context_factory);
  69 }
  70
  71 }  // namespace ui