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1 // Copyright 2016 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 "components/mus/gles2/ozone_gpu_memory_buffer.h" | |
6 | |
7 #include "ui/gfx/buffer_format_util.h" | |
8 #include "ui/ozone/public/client_native_pixmap.h" | |
9 #include "ui/ozone/public/client_native_pixmap_factory.h" | |
10 #include "ui/ozone/public/native_pixmap.h" | |
11 #include "ui/ozone/public/ozone_platform.h" | |
12 #include "ui/ozone/public/surface_factory_ozone.h" | |
13 | |
14 namespace mus { | |
15 | |
16 OzoneGpuMemoryBuffer::OzoneGpuMemoryBuffer( | |
17 gfx::GpuMemoryBufferId id, | |
18 const gfx::Size& size, | |
19 gfx::BufferFormat format, | |
20 std::unique_ptr<ui::ClientNativePixmap> client_pixmap, | |
21 scoped_refptr<ui::NativePixmap> native_pixmap) | |
22 : GpuMemoryBufferImpl(id, size, format), | |
23 client_pixmap_(std::move(client_pixmap)), | |
24 native_pixmap_(native_pixmap) {} | |
25 | |
26 OzoneGpuMemoryBuffer::~OzoneGpuMemoryBuffer() { | |
27 DCHECK(!mapped_); | |
28 } | |
29 | |
30 // static | |
31 OzoneGpuMemoryBuffer* OzoneGpuMemoryBuffer::FromClientBuffer( | |
32 ClientBuffer buffer) { | |
33 return reinterpret_cast<OzoneGpuMemoryBuffer*>(buffer); | |
34 } | |
35 | |
36 // static | |
37 std::unique_ptr<gfx::GpuMemoryBuffer> | |
38 OzoneGpuMemoryBuffer::CreateOzoneGpuMemoryBuffer( | |
39 const gfx::Size& size, | |
40 gfx::BufferFormat format, | |
41 gfx::BufferUsage usage, | |
42 gfx::AcceleratedWidget widget) { | |
43 scoped_refptr<ui::NativePixmap> pixmap = | |
44 ui::OzonePlatform::GetInstance() | |
45 ->GetSurfaceFactoryOzone() | |
46 ->CreateNativePixmap(widget, size, format, usage); | |
47 | |
48 DCHECK(pixmap) << "need pixmap to exist!"; | |
49 | |
50 if (!pixmap.get()) { | |
51 DLOG(ERROR) << "Failed to create pixmap " << size.width() << "x" | |
52 << size.height() << " format " << static_cast<int>(format) | |
53 << ", usage " << static_cast<int>(usage); | |
54 return nullptr; | |
55 } | |
56 | |
57 // We construct a ui::NativePixmapHandle | |
58 gfx::NativePixmapHandle native_pixmap_handle = pixmap->ExportHandle(); | |
59 DCHECK(ui::ClientNativePixmapFactory::GetInstance()) | |
60 << "need me a ClientNativePixmapFactory"; | |
61 std::unique_ptr<ui::ClientNativePixmap> client_native_pixmap = | |
62 ui::ClientNativePixmapFactory::GetInstance()->ImportFromHandle( | |
63 native_pixmap_handle, size, usage); | |
64 | |
65 std::unique_ptr<OzoneGpuMemoryBuffer> nb( | |
66 new OzoneGpuMemoryBuffer(gfx::GpuMemoryBufferId(0), size, format, | |
67 std::move(client_native_pixmap), pixmap)); | |
68 return std::move(nb); | |
69 } | |
70 | |
71 bool OzoneGpuMemoryBuffer::Map() { | |
72 DCHECK(!mapped_); | |
73 if (!client_pixmap_->Map()) | |
74 return false; | |
75 mapped_ = true; | |
76 return mapped_; | |
77 } | |
78 | |
79 void* OzoneGpuMemoryBuffer::memory(size_t plane) { | |
80 DCHECK(mapped_); | |
81 DCHECK_LT(plane, gfx::NumberOfPlanesForBufferFormat(format_)); | |
82 return client_pixmap_->Map(); | |
83 } | |
84 | |
85 void OzoneGpuMemoryBuffer::Unmap() { | |
86 DCHECK(mapped_); | |
87 client_pixmap_->Unmap(); | |
88 mapped_ = false; | |
89 } | |
90 | |
91 int OzoneGpuMemoryBuffer::stride(size_t plane) const { | |
92 DCHECK_LT(plane, gfx::NumberOfPlanesForBufferFormat(format_)); | |
93 int stride; | |
94 client_pixmap_->GetStride(&stride); | |
95 return stride; | |
96 } | |
97 | |
98 gfx::GpuMemoryBufferHandle OzoneGpuMemoryBuffer::GetHandle() const { | |
99 gfx::GpuMemoryBufferHandle handle; | |
100 handle.type = gfx::OZONE_NATIVE_PIXMAP; | |
101 handle.id = id_; | |
102 return handle; | |
103 } | |
104 | |
105 gfx::GpuMemoryBufferType OzoneGpuMemoryBuffer::GetBufferType() const { | |
106 return gfx::OZONE_NATIVE_PIXMAP; | |
107 } | |
108 | |
109 #if defined(USE_OZONE) | |
110 scoped_refptr<ui::NativePixmap> OzoneGpuMemoryBuffer::GetNativePixmap() { | |
111 return native_pixmap_; | |
112 } | |
113 #endif | |
114 | |
115 } // namespace mus | |
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