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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/drm/gpu/gbm_buffer.h" | 5 #include "ui/ozone/platform/drm/gpu/gbm_buffer.h" |
6 | 6 |
7 #include <drm.h> | 7 #include <drm.h> |
8 #include <fcntl.h> | 8 #include <fcntl.h> |
9 #include <gbm.h> | 9 #include <gbm.h> |
10 #include <xf86drm.h> | 10 #include <xf86drm.h> |
11 | 11 |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/trace_event/trace_event.h" | 13 #include "base/trace_event/trace_event.h" |
14 #include "ui/gfx/gpu_memory_buffer.h" | |
reveman
2015/05/14 13:22:03
This code should not know about GpuMemoryBuffers.
| |
14 #include "ui/ozone/platform/drm/gpu/gbm_device.h" | 15 #include "ui/ozone/platform/drm/gpu/gbm_device.h" |
15 | 16 |
16 namespace ui { | 17 namespace ui { |
17 | 18 |
18 namespace { | 19 namespace { |
19 | 20 |
20 int GetGbmFormatFromBufferFormat(SurfaceFactoryOzone::BufferFormat fmt) { | 21 int GetGbmFormatFromBufferFormat(SurfaceFactoryOzone::BufferFormat fmt) { |
21 switch (fmt) { | 22 switch (fmt) { |
22 case SurfaceFactoryOzone::BGRA_8888: | 23 case SurfaceFactoryOzone::BGRA_8888: |
23 return GBM_BO_FORMAT_ARGB8888; | 24 return GBM_BO_FORMAT_ARGB8888; |
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44 | 45 |
45 // static | 46 // static |
46 scoped_refptr<GbmBuffer> GbmBuffer::CreateBuffer( | 47 scoped_refptr<GbmBuffer> GbmBuffer::CreateBuffer( |
47 const scoped_refptr<GbmDevice>& gbm, | 48 const scoped_refptr<GbmDevice>& gbm, |
48 SurfaceFactoryOzone::BufferFormat format, | 49 SurfaceFactoryOzone::BufferFormat format, |
49 const gfx::Size& size, | 50 const gfx::Size& size, |
50 bool scanout) { | 51 bool scanout) { |
51 TRACE_EVENT2("drm", "GbmBuffer::CreateBuffer", "device", | 52 TRACE_EVENT2("drm", "GbmBuffer::CreateBuffer", "device", |
52 gbm->device_path().value(), "size", size.ToString()); | 53 gbm->device_path().value(), "size", size.ToString()); |
53 unsigned flags = GBM_BO_USE_RENDERING; | 54 unsigned flags = GBM_BO_USE_RENDERING; |
54 if (scanout) | 55 // SCANOUT allocates continuous memory, so better for performance even if |
55 flags |= GBM_BO_USE_SCANOUT; | 56 // |scanout| is false. |
57 flags |= GBM_BO_USE_SCANOUT; | |
56 gbm_bo* bo = gbm_bo_create(gbm->device(), size.width(), size.height(), | 58 gbm_bo* bo = gbm_bo_create(gbm->device(), size.width(), size.height(), |
57 GetGbmFormatFromBufferFormat(format), flags); | 59 GetGbmFormatFromBufferFormat(format), flags); |
58 if (!bo) | 60 if (!bo) |
59 return NULL; | 61 return NULL; |
60 | 62 |
61 scoped_refptr<GbmBuffer> buffer(new GbmBuffer(gbm, bo, scanout)); | 63 scoped_refptr<GbmBuffer> buffer(new GbmBuffer(gbm, bo, scanout)); |
62 if (scanout && !buffer->GetFramebufferId()) | 64 if (scanout && !buffer->GetFramebufferId()) |
63 return NULL; | 65 return NULL; |
64 | 66 |
65 return buffer; | 67 return buffer; |
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91 } | 93 } |
92 | 94 |
93 int GbmPixmap::GetDmaBufFd() { | 95 int GbmPixmap::GetDmaBufFd() { |
94 return dma_buf_; | 96 return dma_buf_; |
95 } | 97 } |
96 | 98 |
97 int GbmPixmap::GetDmaBufPitch() { | 99 int GbmPixmap::GetDmaBufPitch() { |
98 return gbm_bo_get_stride(buffer_->bo()); | 100 return gbm_bo_get_stride(buffer_->bo()); |
99 } | 101 } |
100 | 102 |
103 NativePixmap::BufferUsage GbmPixmap::GetBufferUsage() const { | |
104 return buffer_->GetFramebufferId() ? SCANOUT : MAP; | |
105 } | |
106 | |
101 } // namespace ui | 107 } // namespace ui |
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