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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/gl/gl_image_linux_dma_buffer.h" | 5 #include "ui/gl/gl_image_linux_dma_buffer.h" |
6 | 6 |
7 #include <unistd.h> | 7 #include <unistd.h> |
8 | 8 |
9 #define FOURCC(a, b, c, d) \ | 9 #define FOURCC(a, b, c, d) \ |
10 ((static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \ | 10 ((static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \ |
11 (static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24)) | 11 (static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24)) |
12 | 12 |
13 #define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4') | 13 #define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4') |
14 #define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4') | 14 #define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4') |
15 | 15 |
16 namespace gfx { | 16 namespace gfx { |
17 namespace { | 17 namespace { |
18 | 18 |
19 bool ValidFormat(unsigned internalformat, gfx::GpuMemoryBuffer::Format format) { | 19 bool ValidFormat(unsigned internalformat, gfx::GpuMemoryBuffer::Format format) { |
20 switch (internalformat) { | 20 switch (internalformat) { |
21 case GL_ATC_RGB_AMD: | |
22 return format == gfx::GpuMemoryBuffer::ATC; | |
23 case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD: | |
24 return format == gfx::GpuMemoryBuffer::ATCIA; | |
25 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: | |
26 return format == gfx::GpuMemoryBuffer::DXT1; | |
27 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: | |
28 return format == gfx::GpuMemoryBuffer::DXT5; | |
29 case GL_ETC1_RGB8_OES: | |
30 return format == gfx::GpuMemoryBuffer::ETC1; | |
31 case GL_RGB: | 21 case GL_RGB: |
32 switch (format) { | 22 switch (format) { |
33 case gfx::GpuMemoryBuffer::RGBX_8888: | 23 case gfx::GpuMemoryBuffer::RGBX_8888: |
34 return true; | 24 return true; |
35 case gfx::GpuMemoryBuffer::ATC: | |
36 case gfx::GpuMemoryBuffer::ATCIA: | |
37 case gfx::GpuMemoryBuffer::DXT1: | |
38 case gfx::GpuMemoryBuffer::DXT5: | |
39 case gfx::GpuMemoryBuffer::ETC1: | |
40 case gfx::GpuMemoryBuffer::RGBA_8888: | 25 case gfx::GpuMemoryBuffer::RGBA_8888: |
41 case gfx::GpuMemoryBuffer::BGRA_8888: | 26 case gfx::GpuMemoryBuffer::BGRA_8888: |
42 return false; | 27 return false; |
43 } | 28 } |
44 NOTREACHED(); | 29 NOTREACHED(); |
45 return false; | 30 return false; |
46 case GL_RGBA: | 31 case GL_RGBA: |
47 switch (format) { | 32 switch (format) { |
48 case gfx::GpuMemoryBuffer::BGRA_8888: | 33 case gfx::GpuMemoryBuffer::BGRA_8888: |
49 return true; | 34 return true; |
50 case gfx::GpuMemoryBuffer::ATC: | |
51 case gfx::GpuMemoryBuffer::ATCIA: | |
52 case gfx::GpuMemoryBuffer::DXT1: | |
53 case gfx::GpuMemoryBuffer::DXT5: | |
54 case gfx::GpuMemoryBuffer::ETC1: | |
55 case gfx::GpuMemoryBuffer::RGBX_8888: | 35 case gfx::GpuMemoryBuffer::RGBX_8888: |
56 case gfx::GpuMemoryBuffer::RGBA_8888: | 36 case gfx::GpuMemoryBuffer::RGBA_8888: |
57 return false; | 37 return false; |
58 } | 38 } |
59 NOTREACHED(); | 39 NOTREACHED(); |
60 return false; | 40 return false; |
61 default: | 41 default: |
62 return false; | 42 return false; |
63 } | 43 } |
64 } | 44 } |
65 | 45 |
66 EGLint FourCC(gfx::GpuMemoryBuffer::Format format) { | 46 EGLint FourCC(gfx::GpuMemoryBuffer::Format format) { |
67 switch (format) { | 47 switch (format) { |
68 case gfx::GpuMemoryBuffer::BGRA_8888: | 48 case gfx::GpuMemoryBuffer::BGRA_8888: |
69 return DRM_FORMAT_ARGB8888; | 49 return DRM_FORMAT_ARGB8888; |
70 case gfx::GpuMemoryBuffer::RGBX_8888: | 50 case gfx::GpuMemoryBuffer::RGBX_8888: |
71 return DRM_FORMAT_XRGB8888; | 51 return DRM_FORMAT_XRGB8888; |
72 case gfx::GpuMemoryBuffer::ATC: | |
73 case gfx::GpuMemoryBuffer::ATCIA: | |
74 case gfx::GpuMemoryBuffer::DXT1: | |
75 case gfx::GpuMemoryBuffer::DXT5: | |
76 case gfx::GpuMemoryBuffer::ETC1: | |
77 case gfx::GpuMemoryBuffer::RGBA_8888: | 52 case gfx::GpuMemoryBuffer::RGBA_8888: |
78 NOTREACHED(); | 53 NOTREACHED(); |
79 return 0; | 54 return 0; |
80 } | 55 } |
81 | 56 |
82 NOTREACHED(); | 57 NOTREACHED(); |
83 return 0; | 58 return 0; |
84 } | 59 } |
85 | 60 |
86 bool IsHandleValid(const base::FileDescriptor& handle) { | 61 bool IsHandleValid(const base::FileDescriptor& handle) { |
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123 EGL_DMA_BUF_PLANE0_OFFSET_EXT, | 98 EGL_DMA_BUF_PLANE0_OFFSET_EXT, |
124 0, | 99 0, |
125 EGL_DMA_BUF_PLANE0_PITCH_EXT, | 100 EGL_DMA_BUF_PLANE0_PITCH_EXT, |
126 pitch, | 101 pitch, |
127 EGL_NONE}; | 102 EGL_NONE}; |
128 return GLImageEGL::Initialize( | 103 return GLImageEGL::Initialize( |
129 EGL_LINUX_DMA_BUF_EXT, static_cast<EGLClientBuffer>(NULL), attrs); | 104 EGL_LINUX_DMA_BUF_EXT, static_cast<EGLClientBuffer>(NULL), attrs); |
130 } | 105 } |
131 | 106 |
132 } // namespace gfx | 107 } // namespace gfx |
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