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Side by Side Diff: gpu/command_buffer/service/image_factory.cc

Issue 916083002: Add support for compressed GPU memory buffers. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix ozone Created 5 years, 10 months ago
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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 "gpu/command_buffer/service/image_factory.h" 5 #include "gpu/command_buffer/service/image_factory.h"
6 6
7 #include "ui/gl/gl_bindings.h" 7 #include "ui/gl/gl_bindings.h"
8 8
9 namespace gpu { 9 namespace gpu {
10 10
11 ImageFactory::ImageFactory() { 11 ImageFactory::ImageFactory() {
12 } 12 }
13 13
14 ImageFactory::~ImageFactory() { 14 ImageFactory::~ImageFactory() {
15 } 15 }
16 16
17 // static 17 // static
18 gfx::GpuMemoryBuffer::Format ImageFactory::ImageFormatToGpuMemoryBufferFormat( 18 gfx::GpuMemoryBuffer::Format ImageFactory::ImageFormatToGpuMemoryBufferFormat(
19 unsigned internalformat) { 19 unsigned internalformat) {
20 switch (internalformat) { 20 switch (internalformat) {
21 case GL_RGB: 21 case GL_RGB:
22 return gfx::GpuMemoryBuffer::RGBX_8888; 22 return gfx::GpuMemoryBuffer::RGBX_8888;
23 case GL_RGBA: 23 case GL_RGBA:
24 return gfx::GpuMemoryBuffer::RGBA_8888; 24 return gfx::GpuMemoryBuffer::RGBA_8888;
25 case GL_ATC_RGB_AMD:
26 return gfx::GpuMemoryBuffer::ATC;
27 case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
28 return gfx::GpuMemoryBuffer::ATCIA;
29 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
30 return gfx::GpuMemoryBuffer::DXT1;
31 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
32 return gfx::GpuMemoryBuffer::DXT5;
33 case GL_ETC1_RGB8_OES:
34 return gfx::GpuMemoryBuffer::ETC1;
25 default: 35 default:
26 NOTREACHED(); 36 NOTREACHED();
27 return gfx::GpuMemoryBuffer::RGBA_8888; 37 return gfx::GpuMemoryBuffer::RGBA_8888;
28 } 38 }
29 } 39 }
30 40
31 // static 41 // static
32 gfx::GpuMemoryBuffer::Usage ImageFactory::ImageUsageToGpuMemoryBufferUsage( 42 gfx::GpuMemoryBuffer::Usage ImageFactory::ImageUsageToGpuMemoryBufferUsage(
33 unsigned usage) { 43 unsigned usage) {
34 switch (usage) { 44 switch (usage) {
35 case GL_MAP_CHROMIUM: 45 case GL_MAP_CHROMIUM:
36 return gfx::GpuMemoryBuffer::MAP; 46 return gfx::GpuMemoryBuffer::MAP;
37 case GL_SCANOUT_CHROMIUM: 47 case GL_SCANOUT_CHROMIUM:
38 return gfx::GpuMemoryBuffer::SCANOUT; 48 return gfx::GpuMemoryBuffer::SCANOUT;
39 default: 49 default:
40 NOTREACHED(); 50 NOTREACHED();
41 return gfx::GpuMemoryBuffer::MAP; 51 return gfx::GpuMemoryBuffer::MAP;
42 } 52 }
43 } 53 }
44 54
45 // static 55 // static
46 bool ImageFactory::IsImageFormatCompatibleWithGpuMemoryBufferFormat( 56 bool ImageFactory::IsImageFormatCompatibleWithGpuMemoryBufferFormat(
47 unsigned internalformat, 57 unsigned internalformat,
48 gfx::GpuMemoryBuffer::Format format) { 58 gfx::GpuMemoryBuffer::Format format) {
49 switch (internalformat) { 59 switch (internalformat) {
50 case GL_RGB: 60 case GL_RGB:
51 switch (format) { 61 switch (format) {
62 case gfx::GpuMemoryBuffer::ATC:
63 case gfx::GpuMemoryBuffer::ATCIA:
64 case gfx::GpuMemoryBuffer::DXT1:
65 case gfx::GpuMemoryBuffer::DXT5:
66 case gfx::GpuMemoryBuffer::ETC1:
52 case gfx::GpuMemoryBuffer::RGBX_8888: 67 case gfx::GpuMemoryBuffer::RGBX_8888:
53 return true; 68 return true;
54 case gfx::GpuMemoryBuffer::RGBA_8888: 69 case gfx::GpuMemoryBuffer::RGBA_8888:
55 case gfx::GpuMemoryBuffer::BGRA_8888: 70 case gfx::GpuMemoryBuffer::BGRA_8888:
56 return false; 71 return false;
57 } 72 }
58 NOTREACHED(); 73 NOTREACHED();
59 return false; 74 return false;
60 case GL_RGBA: 75 case GL_RGBA:
61 switch (format) { 76 switch (format) {
62 case gfx::GpuMemoryBuffer::RGBX_8888: 77 case gfx::GpuMemoryBuffer::RGBX_8888:
63 return false; 78 return false;
79 case gfx::GpuMemoryBuffer::ATC:
80 case gfx::GpuMemoryBuffer::ATCIA:
81 case gfx::GpuMemoryBuffer::DXT1:
82 case gfx::GpuMemoryBuffer::DXT5:
83 case gfx::GpuMemoryBuffer::ETC1:
64 case gfx::GpuMemoryBuffer::RGBA_8888: 84 case gfx::GpuMemoryBuffer::RGBA_8888:
65 case gfx::GpuMemoryBuffer::BGRA_8888: 85 case gfx::GpuMemoryBuffer::BGRA_8888:
66 return true; 86 return true;
67 } 87 }
68 NOTREACHED(); 88 NOTREACHED();
69 return false; 89 return false;
70 default: 90 default:
71 NOTREACHED(); 91 NOTREACHED();
72 return false; 92 return false;
73 } 93 }
74 } 94 }
75 95
76 } // namespace gpu 96 } // namespace gpu
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