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.
5 #ifndef GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_
6 #define GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_
10 #include "base/memory/ref_counted.h"
11 #include "gpu/command_buffer/service/gl_utils.h"
22 class NativeImageBuffer : public base::RefCountedThreadSafe<NativeImageBuffer> {
24 static scoped_refptr<NativeImageBuffer> Create(GLuint texture_id);
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;
32 friend class base::RefCountedThreadSafe<NativeImageBuffer>;
33 NativeImageBuffer() {}
34 virtual ~NativeImageBuffer() {}
36 DISALLOW_COPY_AND_ASSIGN(NativeImageBuffer);
39 // An immutable description that can be used to create a texture that shares
40 // the underlying image buffer(s).
41 class TextureDefinition {
43 TextureDefinition(GLenum target,
46 const scoped_refptr<NativeImageBuffer>& image);
47 virtual ~TextureDefinition();
49 Texture* CreateTexture() const;
50 void UpdateTexture(Texture* texture) const;
52 unsigned int version() const { return version_; }
53 bool IsOlderThan(unsigned int version) const {
54 return (version - version_) < 0x80000000;
56 bool Matches(const Texture* texture) const;
58 scoped_refptr<NativeImageBuffer> image() { return image_buffer_; }
62 LevelInfo(GLenum target,
63 GLenum internal_format,
74 GLenum internal_format;
84 typedef std::vector<std::vector<LevelInfo> > LevelInfos;
86 unsigned int version_;
88 scoped_refptr<NativeImageBuffer> image_buffer_;
95 LevelInfos level_infos_;
101 #endif // GPU_COMMAND_BUFFER_SERVICE_TEXTURE_DEFINITION_H_