src/ui/ozone/platform/dri/dri_surface_unittest.cc

   1 // Copyright 2014 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 "testing/gtest/include/gtest/gtest.h"
   6 #include "third_party/skia/include/core/SkCanvas.h"
   7 #include "third_party/skia/include/core/SkColor.h"
   8 #include "third_party/skia/include/core/SkDevice.h"
   9 #include "ui/ozone/platform/dri/dri_buffer.h"
  10 #include "ui/ozone/platform/dri/dri_surface.h"
  11 #include "ui/ozone/platform/dri/hardware_display_controller.h"
  12 #include "ui/ozone/platform/dri/test/mock_dri_surface.h"
  13 #include "ui/ozone/platform/dri/test/mock_dri_wrapper.h"
  14
  15 namespace {
  16
  17 // Create a basic mode for a 6x4 screen.
  18 const drmModeModeInfo kDefaultMode =
  19     {0, 6, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, {'\0'}};
  20
  21 }  // namespace
  22
  23 class DriSurfaceTest : public testing::Test {
  24  public:
  25   DriSurfaceTest() {}
  26
  27   virtual void SetUp() OVERRIDE;
  28   virtual void TearDown() OVERRIDE;
  29
  30  protected:
  31   scoped_ptr<ui::MockDriWrapper> drm_;
  32   scoped_ptr<ui::HardwareDisplayController> controller_;
  33   scoped_ptr<ui::MockDriSurface> surface_;
  34
  35  private:
  36   DISALLOW_COPY_AND_ASSIGN(DriSurfaceTest);
  37 };
  38
  39 void DriSurfaceTest::SetUp() {
  40   drm_.reset(new ui::MockDriWrapper(3));
  41   controller_.reset(new ui::HardwareDisplayController(drm_.get(), 1, 1));
  42
  43   surface_.reset(new ui::MockDriSurface(
  44       drm_.get(), gfx::Size(kDefaultMode.hdisplay, kDefaultMode.vdisplay)));
  45 }
  46
  47 void DriSurfaceTest::TearDown() {
  48   surface_.reset();
  49   controller_.reset();
  50   drm_.reset();
  51 }
  52
  53 TEST_F(DriSurfaceTest, FailInitialization) {
  54   surface_->set_initialize_expectation(false);
  55   EXPECT_FALSE(surface_->Initialize());
  56 }
  57
  58 TEST_F(DriSurfaceTest, SuccessfulInitialization) {
  59   EXPECT_TRUE(surface_->Initialize());
  60 }
  61
  62 TEST_F(DriSurfaceTest, CheckFBIDOnSwap) {
  63   EXPECT_TRUE(surface_->Initialize());
  64   controller_->BindSurfaceToController(surface_.PassAs<ui::ScanoutSurface>(),
  65                                        kDefaultMode);
  66
  67   // Check that the framebuffer ID is correct.
  68   EXPECT_EQ(2u, controller_->surface()->GetFramebufferId());
  69
  70   controller_->surface()->SwapBuffers();
  71
  72   EXPECT_EQ(1u, controller_->surface()->GetFramebufferId());
  73 }
  74
  75 TEST_F(DriSurfaceTest, CheckPixelPointerOnSwap) {
  76   EXPECT_TRUE(surface_->Initialize());
  77
  78   void* bitmap_pixels1 = surface_->GetDrawableForWidget()->getDevice()
  79       ->accessBitmap(false).getPixels();
  80
  81   surface_->SwapBuffers();
  82
  83   void* bitmap_pixels2 = surface_->GetDrawableForWidget()->getDevice()
  84       ->accessBitmap(false).getPixels();
  85
  86   // Check that once the buffers have been swapped the drawable's underlying
  87   // pixels have been changed.
  88   EXPECT_NE(bitmap_pixels1, bitmap_pixels2);
  89 }
  90
  91 TEST_F(DriSurfaceTest, CheckCorrectBufferSync) {
  92   EXPECT_TRUE(surface_->Initialize());
  93
  94   SkCanvas* canvas = surface_->GetDrawableForWidget();
  95   SkRect clip;
  96   // Modify part of the canvas.
  97   clip.set(0, 0,
  98            canvas->getDeviceSize().width() / 2,
  99            canvas->getDeviceSize().height() / 2);
 100   canvas->clipRect(clip, SkRegion::kReplace_Op);
 101
 102   canvas->drawColor(SK_ColorWHITE);
 103
 104   surface_->SwapBuffers();
 105
 106   // Verify that the modified contents have been copied over on swap (make sure
 107   // the 2 buffers have the same content).
 108   for (int i = 0; i < canvas->getDeviceSize().height(); ++i) {
 109     for (int j = 0; j < canvas->getDeviceSize().width(); ++j) {
 110       if (i < clip.height() && j < clip.width())
 111         EXPECT_EQ(SK_ColorWHITE,
 112                   canvas->getDevice()->accessBitmap(false).getColor(j, i));
 113       else
 114         EXPECT_EQ(SK_ColorBLACK,
 115                   canvas->getDevice()->accessBitmap(false).getColor(j, i));
 116     }
 117   }
 118 }