James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_ |
| 6 | #define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_ |
| 7 | |
| 8 | #include <vector> |
| 9 | |
| 10 | #include "base/memory/ref_counted.h" |
| 11 | #include "gpu/command_buffer/service/gl_utils.h" |
| 12 | |
| 13 | namespace gfx { |
| 14 | class GLImage; |
| 15 | } |
| 16 | |
| 17 | namespace gpu { |
| 18 | namespace gles2 { |
| 19 | |
| 20 | class Texture; |
| 21 | |
| 22 | class NativeImageBuffer : public base::RefCountedThreadSafe<NativeImageBuffer> { |
| 23 | public: |
| 24 | static scoped_refptr<NativeImageBuffer> Create(GLuint texture_id); |
| 25 | |
| 26 | virtual void AddClient(gfx::GLImage* client) = 0; |
| 27 | virtual void RemoveClient(gfx::GLImage* client) = 0; |
| 28 | virtual bool IsClient(gfx::GLImage* client) = 0; |
| 29 | virtual void BindToTexture(GLenum target) = 0; |
James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 30 | |
| 31 | protected: |
| 32 | friend class base::RefCountedThreadSafe<NativeImageBuffer>; |
| 33 | NativeImageBuffer() {} |
| 34 | virtual ~NativeImageBuffer() {} |
| 35 | |
| 36 | DISALLOW_COPY_AND_ASSIGN(NativeImageBuffer); |
| 37 | }; |
| 38 | |
| 39 | // An immutable description that can be used to create a texture that shares |
| 40 | // the underlying image buffer(s). |
| 41 | class TextureDefinition { |
| 42 | public: |
James Robinson | 6165015 | 2014-10-26 23:24:55 -0700 | [diff] [blame] | 43 | TextureDefinition(); |
| 44 | TextureDefinition(Texture* texture, |
James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 45 | unsigned int version, |
| 46 | const scoped_refptr<NativeImageBuffer>& image); |
| 47 | virtual ~TextureDefinition(); |
| 48 | |
| 49 | Texture* CreateTexture() const; |
| 50 | void UpdateTexture(Texture* texture) const; |
| 51 | |
| 52 | unsigned int version() const { return version_; } |
| 53 | bool IsOlderThan(unsigned int version) const { |
| 54 | return (version - version_) < 0x80000000; |
| 55 | } |
| 56 | bool Matches(const Texture* texture) const; |
| 57 | |
James Robinson | 6165015 | 2014-10-26 23:24:55 -0700 | [diff] [blame] | 58 | scoped_refptr<NativeImageBuffer> image() const { return image_buffer_; } |
James Robinson | 646469d | 2014-10-03 15:33:28 -0700 | [diff] [blame] | 59 | |
| 60 | private: |
| 61 | struct LevelInfo { |
| 62 | LevelInfo(GLenum target, |
| 63 | GLenum internal_format, |
| 64 | GLsizei width, |
| 65 | GLsizei height, |
| 66 | GLsizei depth, |
| 67 | GLint border, |
| 68 | GLenum format, |
| 69 | GLenum type, |
| 70 | bool cleared); |
| 71 | ~LevelInfo(); |
| 72 | |
| 73 | GLenum target; |
| 74 | GLenum internal_format; |
| 75 | GLsizei width; |
| 76 | GLsizei height; |
| 77 | GLsizei depth; |
| 78 | GLint border; |
| 79 | GLenum format; |
| 80 | GLenum type; |
| 81 | bool cleared; |
| 82 | }; |
| 83 | |
| 84 | typedef std::vector<std::vector<LevelInfo> > LevelInfos; |
| 85 | |
| 86 | unsigned int version_; |
| 87 | GLenum target_; |
| 88 | scoped_refptr<NativeImageBuffer> image_buffer_; |
| 89 | GLenum min_filter_; |
| 90 | GLenum mag_filter_; |
| 91 | GLenum wrap_s_; |
| 92 | GLenum wrap_t_; |
| 93 | GLenum usage_; |
| 94 | bool immutable_; |
| 95 | LevelInfos level_infos_; |
| 96 | }; |
| 97 | |
| 98 | } // namespage gles2 |
| 99 | } // namespace gpu |
| 100 | |
| 101 | #endif // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_ |