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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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/ozone/platform/dri/dri_buffer.h" | 5 #include "ui/ozone/platform/dri/dri_buffer.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "ui/ozone/platform/dri/dri_wrapper.h" | 8 #include "ui/ozone/platform/dri/drm_device.h" |
| 9 | 9 |
| 10 namespace ui { | 10 namespace ui { |
| 11 | 11 |
| 12 namespace { | 12 namespace { |
| 13 | 13 |
| 14 // Modesetting cannot happen from a buffer with transparencies. Return the size | 14 // Modesetting cannot happen from a buffer with transparencies. Return the size |
| 15 // of a pixel without alpha. | 15 // of a pixel without alpha. |
| 16 uint8_t GetColorDepth(SkColorType type) { | 16 uint8_t GetColorDepth(SkColorType type) { |
| 17 switch (type) { | 17 switch (type) { |
| 18 case kUnknown_SkColorType: | 18 case kUnknown_SkColorType: |
| 19 case kAlpha_8_SkColorType: | 19 case kAlpha_8_SkColorType: |
| 20 return 0; | 20 return 0; |
| 21 case kIndex_8_SkColorType: | 21 case kIndex_8_SkColorType: |
| 22 return 8; | 22 return 8; |
| 23 case kRGB_565_SkColorType: | 23 case kRGB_565_SkColorType: |
| 24 return 16; | 24 return 16; |
| 25 case kARGB_4444_SkColorType: | 25 case kARGB_4444_SkColorType: |
| 26 return 12; | 26 return 12; |
| 27 case kN32_SkColorType: | 27 case kN32_SkColorType: |
| 28 return 24; | 28 return 24; |
| 29 default: | 29 default: |
| 30 NOTREACHED(); | 30 NOTREACHED(); |
| 31 return 0; | 31 return 0; |
| 32 } | 32 } |
| 33 } | 33 } |
| 34 | 34 |
| 35 } // namespace | 35 } // namespace |
| 36 | 36 |
| 37 DriBuffer::DriBuffer(const scoped_refptr<DriWrapper>& dri) | 37 DriBuffer::DriBuffer(const scoped_refptr<DrmDevice>& drm) |
| 38 : dri_(dri), handle_(0), framebuffer_(0) { | 38 : drm_(drm), handle_(0), framebuffer_(0) { |
| 39 } | 39 } |
| 40 | 40 |
| 41 DriBuffer::~DriBuffer() { | 41 DriBuffer::~DriBuffer() { |
| 42 if (!surface_) | 42 if (!surface_) |
| 43 return; | 43 return; |
| 44 | 44 |
| 45 if (framebuffer_) | 45 if (framebuffer_) |
| 46 dri_->RemoveFramebuffer(framebuffer_); | 46 drm_->RemoveFramebuffer(framebuffer_); |
| 47 | 47 |
| 48 SkImageInfo info; | 48 SkImageInfo info; |
| 49 void* pixels = const_cast<void*>(surface_->peekPixels(&info, NULL)); | 49 void* pixels = const_cast<void*>(surface_->peekPixels(&info, NULL)); |
| 50 if (!pixels) | 50 if (!pixels) |
| 51 return; | 51 return; |
| 52 | 52 |
| 53 dri_->DestroyDumbBuffer(info, handle_, stride_, pixels); | 53 drm_->DestroyDumbBuffer(info, handle_, stride_, pixels); |
| 54 } | 54 } |
| 55 | 55 |
| 56 bool DriBuffer::Initialize(const SkImageInfo& info, | 56 bool DriBuffer::Initialize(const SkImageInfo& info, |
| 57 bool should_register_framebuffer) { | 57 bool should_register_framebuffer) { |
| 58 void* pixels = NULL; | 58 void* pixels = NULL; |
| 59 if (!dri_->CreateDumbBuffer(info, &handle_, &stride_, &pixels)) { | 59 if (!drm_->CreateDumbBuffer(info, &handle_, &stride_, &pixels)) { |
| 60 VLOG(2) << "Cannot create drm dumb buffer"; | 60 VLOG(2) << "Cannot create drm dumb buffer"; |
| 61 return false; | 61 return false; |
| 62 } | 62 } |
| 63 | 63 |
| 64 if (should_register_framebuffer && | 64 if (should_register_framebuffer && |
| 65 !dri_->AddFramebuffer( | 65 !drm_->AddFramebuffer( |
| 66 info.width(), info.height(), GetColorDepth(info.colorType()), | 66 info.width(), info.height(), GetColorDepth(info.colorType()), |
| 67 info.bytesPerPixel() << 3, stride_, handle_, &framebuffer_)) { | 67 info.bytesPerPixel() << 3, stride_, handle_, &framebuffer_)) { |
| 68 VLOG(2) << "Failed to register framebuffer: " << strerror(errno); | 68 VLOG(2) << "Failed to register framebuffer: " << strerror(errno); |
| 69 return false; | 69 return false; |
| 70 } | 70 } |
| 71 | 71 |
| 72 surface_ = skia::AdoptRef(SkSurface::NewRasterDirect(info, pixels, stride_)); | 72 surface_ = skia::AdoptRef(SkSurface::NewRasterDirect(info, pixels, stride_)); |
| 73 if (!surface_) { | 73 if (!surface_) { |
| 74 VLOG(2) << "Cannot install Skia pixels for drm buffer"; | 74 VLOG(2) << "Cannot install Skia pixels for drm buffer"; |
| 75 return false; | 75 return false; |
| (...skipping 17 matching lines...) Expand all Loading... |
| 93 gfx::Size DriBuffer::GetSize() const { | 93 gfx::Size DriBuffer::GetSize() const { |
| 94 return gfx::Size(surface_->width(), surface_->height()); | 94 return gfx::Size(surface_->width(), surface_->height()); |
| 95 } | 95 } |
| 96 | 96 |
| 97 DriBufferGenerator::DriBufferGenerator() { | 97 DriBufferGenerator::DriBufferGenerator() { |
| 98 } | 98 } |
| 99 | 99 |
| 100 DriBufferGenerator::~DriBufferGenerator() {} | 100 DriBufferGenerator::~DriBufferGenerator() {} |
| 101 | 101 |
| 102 scoped_refptr<ScanoutBuffer> DriBufferGenerator::Create( | 102 scoped_refptr<ScanoutBuffer> DriBufferGenerator::Create( |
| 103 const scoped_refptr<DriWrapper>& drm, | 103 const scoped_refptr<DrmDevice>& drm, |
| 104 const gfx::Size& size) { | 104 const gfx::Size& size) { |
| 105 scoped_refptr<DriBuffer> buffer(new DriBuffer(drm)); | 105 scoped_refptr<DriBuffer> buffer(new DriBuffer(drm)); |
| 106 SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height()); | 106 SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height()); |
| 107 if (!buffer->Initialize(info, true /* should_register_framebuffer */)) | 107 if (!buffer->Initialize(info, true /* should_register_framebuffer */)) |
| 108 return NULL; | 108 return NULL; |
| 109 | 109 |
| 110 return buffer; | 110 return buffer; |
| 111 } | 111 } |
| 112 | 112 |
| 113 } // namespace ui | 113 } // namespace ui |
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