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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "ui/gfx/ozone/impl/software_surface_ozone.h" | 5 #include "ui/gfx/ozone/impl/dri_surface.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <sys/mman.h> | 8 #include <sys/mman.h> |
| 9 #include <sys/types.h> | 9 #include <sys/types.h> |
| 10 #include <xf86drm.h> | 10 #include <xf86drm.h> |
| 11 | 11 |
| 12 #include "base/logging.h" | 12 #include "base/logging.h" |
| 13 #include "third_party/skia/include/core/SkBitmap.h" | 13 #include "third_party/skia/include/core/SkBitmap.h" |
| 14 #include "third_party/skia/include/core/SkBitmapDevice.h" | 14 #include "third_party/skia/include/core/SkBitmapDevice.h" |
| 15 #include "third_party/skia/include/core/SkCanvas.h" | 15 #include "third_party/skia/include/core/SkCanvas.h" |
| 16 #include "ui/gfx/ozone/impl/drm_skbitmap_ozone.h" | 16 #include "ui/gfx/ozone/impl/dri_skbitmap.h" |
| 17 #include "ui/gfx/ozone/impl/hardware_display_controller_ozone.h" | 17 #include "ui/gfx/ozone/impl/hardware_display_controller.h" |
| 18 #include "ui/gfx/skia_util.h" | 18 #include "ui/gfx/skia_util.h" |
| 19 | 19 |
| 20 namespace gfx { | 20 namespace gfx { |
| 21 | 21 |
| 22 namespace { | 22 namespace { |
| 23 | 23 |
| 24 // Extends the SkBitmapDevice to allow setting the SkPixelRef. We use the setter | 24 // Extends the SkBitmapDevice to allow setting the SkPixelRef. We use the setter |
| 25 // to change the SkPixelRef such that the device always points to the | 25 // to change the SkPixelRef such that the device always points to the |
| 26 // backbuffer. | 26 // backbuffer. |
| 27 class CustomSkBitmapDevice : public SkBitmapDevice { | 27 class CustomSkBitmapDevice : public SkBitmapDevice { |
| 28 public: | 28 public: |
| 29 CustomSkBitmapDevice(const SkBitmap& bitmap) : SkBitmapDevice(bitmap) {} | 29 CustomSkBitmapDevice(const SkBitmap& bitmap) : SkBitmapDevice(bitmap) {} |
| 30 virtual ~CustomSkBitmapDevice() {} | 30 virtual ~CustomSkBitmapDevice() {} |
| 31 | 31 |
| 32 void SetPixelRef(SkPixelRef* pixel_ref) { setPixelRef(pixel_ref, 0); } | 32 void SetPixelRef(SkPixelRef* pixel_ref) { setPixelRef(pixel_ref, 0); } |
| 33 | 33 |
| 34 private: | 34 private: |
| 35 DISALLOW_COPY_AND_ASSIGN(CustomSkBitmapDevice); | 35 DISALLOW_COPY_AND_ASSIGN(CustomSkBitmapDevice); |
| 36 }; | 36 }; |
| 37 | 37 |
| 38 } // namespace | 38 } // namespace |
| 39 | 39 |
| 40 //////////////////////////////////////////////////////////////////////////////// | 40 //////////////////////////////////////////////////////////////////////////////// |
| 41 // SoftwareSurfaceOzone implementation | 41 // DriSurface implementation |
| 42 | 42 |
| 43 SoftwareSurfaceOzone::SoftwareSurfaceOzone( | 43 DriSurface::DriSurface( |
| 44 HardwareDisplayControllerOzone* controller) | 44 HardwareDisplayController* controller) |
| 45 : controller_(controller), | 45 : controller_(controller), |
| 46 bitmaps_(), | 46 bitmaps_(), |
| 47 front_buffer_(0) { | 47 front_buffer_(0) { |
| 48 } | 48 } |
| 49 | 49 |
| 50 SoftwareSurfaceOzone::~SoftwareSurfaceOzone() { | 50 DriSurface::~DriSurface() { |
| 51 } | 51 } |
| 52 | 52 |
| 53 bool SoftwareSurfaceOzone::Initialize() { | 53 bool DriSurface::Initialize() { |
| 54 for (int i = 0; i < 2; ++i) { | 54 for (int i = 0; i < 2; ++i) { |
| 55 bitmaps_[i].reset(CreateBuffer()); | 55 bitmaps_[i].reset(CreateBuffer()); |
| 56 // TODO(dnicoara) Should select the configuration based on what the | 56 // TODO(dnicoara) Should select the configuration based on what the |
| 57 // underlying system supports. | 57 // underlying system supports. |
| 58 bitmaps_[i]->setConfig(SkBitmap::kARGB_8888_Config, | 58 bitmaps_[i]->setConfig(SkBitmap::kARGB_8888_Config, |
| 59 controller_->get_mode().hdisplay, | 59 controller_->get_mode().hdisplay, |
| 60 controller_->get_mode().vdisplay); | 60 controller_->get_mode().vdisplay); |
| 61 | 61 |
| 62 if (!bitmaps_[i]->Initialize()) { | 62 if (!bitmaps_[i]->Initialize()) { |
| 63 return false; | 63 return false; |
| 64 } | 64 } |
| 65 } | 65 } |
| 66 | 66 |
| 67 skia_device_ = skia::AdoptRef( | 67 skia_device_ = skia::AdoptRef( |
| 68 new CustomSkBitmapDevice(*bitmaps_[front_buffer_ ^ 1].get())); | 68 new CustomSkBitmapDevice(*bitmaps_[front_buffer_ ^ 1].get())); |
| 69 skia_canvas_ = skia::AdoptRef(new SkCanvas(skia_device_.get())); | 69 skia_canvas_ = skia::AdoptRef(new SkCanvas(skia_device_.get())); |
| 70 | 70 |
| 71 return true; | 71 return true; |
| 72 } | 72 } |
| 73 | 73 |
| 74 uint32_t SoftwareSurfaceOzone::GetFramebufferId() const { | 74 uint32_t DriSurface::GetFramebufferId() const { |
| 75 CHECK(bitmaps_[0].get() && bitmaps_[1].get()); | 75 CHECK(bitmaps_[0].get() && bitmaps_[1].get()); |
| 76 return bitmaps_[front_buffer_ ^ 1]->get_framebuffer(); | 76 return bitmaps_[front_buffer_ ^ 1]->get_framebuffer(); |
| 77 } | 77 } |
| 78 | 78 |
| 79 // This call is made after the hardware just started displaying our back buffer. | 79 // This call is made after the hardware just started displaying our back buffer. |
| 80 // We need to update our pointer reference and synchronize the two buffers. | 80 // We need to update our pointer reference and synchronize the two buffers. |
| 81 void SoftwareSurfaceOzone::SwapBuffers() { | 81 void DriSurface::SwapBuffers() { |
| 82 CHECK(bitmaps_[0].get() && bitmaps_[1].get()); | 82 CHECK(bitmaps_[0].get() && bitmaps_[1].get()); |
| 83 | 83 |
| 84 // Update our front buffer pointer. | 84 // Update our front buffer pointer. |
| 85 front_buffer_ ^= 1; | 85 front_buffer_ ^= 1; |
| 86 | 86 |
| 87 // Unlocking will unset the pixel pointer, so it won't be pointing to the old | 87 // Unlocking will unset the pixel pointer, so it won't be pointing to the old |
| 88 // PixelRef. | 88 // PixelRef. |
| 89 skia_device_->accessBitmap(false).unlockPixels(); | 89 skia_device_->accessBitmap(false).unlockPixels(); |
| 90 // Update the backing pixels for the bitmap device. | 90 // Update the backing pixels for the bitmap device. |
| 91 static_cast<CustomSkBitmapDevice*>(skia_device_.get())->SetPixelRef( | 91 static_cast<CustomSkBitmapDevice*>(skia_device_.get())->SetPixelRef( |
| 92 bitmaps_[front_buffer_ ^ 1]->pixelRef()); | 92 bitmaps_[front_buffer_ ^ 1]->pixelRef()); |
| 93 // Locking the pixels will set the pixel pointer based on the PixelRef value. | 93 // Locking the pixels will set the pixel pointer based on the PixelRef value. |
| 94 skia_device_->accessBitmap(false).lockPixels(); | 94 skia_device_->accessBitmap(false).lockPixels(); |
| 95 | 95 |
| 96 SkIRect device_damage; | 96 SkIRect device_damage; |
| 97 skia_canvas_->getClipDeviceBounds(&device_damage); | 97 skia_canvas_->getClipDeviceBounds(&device_damage); |
| 98 SkRect damage = SkRect::Make(device_damage); | 98 SkRect damage = SkRect::Make(device_damage); |
| 99 | 99 |
| 100 skia_canvas_->drawBitmapRectToRect(*bitmaps_[front_buffer_].get(), | 100 skia_canvas_->drawBitmapRectToRect(*bitmaps_[front_buffer_].get(), |
| 101 &damage, | 101 &damage, |
| 102 damage); | 102 damage); |
| 103 } | 103 } |
| 104 | 104 |
| 105 SkCanvas* SoftwareSurfaceOzone::GetDrawableForWidget() { | 105 SkCanvas* DriSurface::GetDrawableForWidget() { |
| 106 return skia_canvas_.get(); | 106 return skia_canvas_.get(); |
| 107 } | 107 } |
| 108 | 108 |
| 109 DrmSkBitmapOzone* SoftwareSurfaceOzone::CreateBuffer() { | 109 DriSkBitmap* DriSurface::CreateBuffer() { |
| 110 return new DrmSkBitmapOzone(controller_->get_fd()); | 110 return new DriSkBitmap(controller_->get_fd()); |
| 111 } | 111 } |
| 112 | 112 |
| 113 } // namespace gfx | 113 } // namespace gfx |
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