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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 #ifndef CONTENT_BROWSER_COMPOSITOR_GL_HELPER_READBACK_SUPPORT_H_ | 5 #ifndef COMPONENTS_DISPLAY_COMPOSITOR_GL_HELPER_READBACK_SUPPORT_H_ |
6 #define CONTENT_BROWSER_COMPOSITOR_GL_HELPER_READBACK_SUPPORT_H_ | 6 #define COMPONENTS_DISPLAY_COMPOSITOR_GL_HELPER_READBACK_SUPPORT_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "content/browser/compositor/gl_helper.h" | 12 #include "components/display_compositor/display_compositor_export.h" |
| 13 #include "components/display_compositor/gl_helper.h" |
13 | 14 |
14 namespace content { | 15 namespace display_compositor { |
15 | 16 |
16 class CONTENT_EXPORT GLHelperReadbackSupport { | 17 class DISPLAY_COMPOSITOR_EXPORT GLHelperReadbackSupport { |
17 public: | 18 public: |
18 enum FormatSupport { SUPPORTED, SWIZZLE, NOT_SUPPORTED }; | 19 enum FormatSupport { SUPPORTED, SWIZZLE, NOT_SUPPORTED }; |
19 | 20 |
20 GLHelperReadbackSupport(gpu::gles2::GLES2Interface* gl); | 21 GLHelperReadbackSupport(gpu::gles2::GLES2Interface* gl); |
21 | 22 |
22 ~GLHelperReadbackSupport(); | 23 ~GLHelperReadbackSupport(); |
23 | 24 |
24 // For a given color type retrieve whether readback is supported and if so | 25 // For a given color type retrieve whether readback is supported and if so |
25 // how it should be performed. The |format|, |type| and |bytes_per_pixel| are | 26 // how it should be performed. The |format|, |type| and |bytes_per_pixel| are |
26 // the values that should be used with glReadPixels to facilitate the | 27 // the values that should be used with glReadPixels to facilitate the |
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63 // Avoid using this API in between texture operations, as this does some | 64 // Avoid using this API in between texture operations, as this does some |
64 // teture opertions (bind, attach) internally. | 65 // teture opertions (bind, attach) internally. |
65 bool SupportsFormat(GLenum format, GLenum type); | 66 bool SupportsFormat(GLenum format, GLenum type); |
66 | 67 |
67 FormatSupport format_support_table_[kLastEnum_SkColorType + 1]; | 68 FormatSupport format_support_table_[kLastEnum_SkColorType + 1]; |
68 | 69 |
69 gpu::gles2::GLES2Interface* gl_; | 70 gpu::gles2::GLES2Interface* gl_; |
70 std::vector<struct FormatCacheEntry> format_cache_; | 71 std::vector<struct FormatCacheEntry> format_cache_; |
71 }; | 72 }; |
72 | 73 |
73 } // namespace content | 74 } // namespace display_compositor |
74 | 75 |
75 #endif // CONTENT_BROWSER_COMPOSITOR_GL_HELPER_READBACK_SUPPORT_H_ | 76 #endif // COMPONENTS_DISPLAY_COMPOSITOR_GL_HELPER_READBACK_SUPPORT_H_ |
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