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Side by Side Diff: ui/gl/scoped_binders.h

Issue 1419733005: gpu: Add YCbCr 420v extension. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Actually enable/disable capabilities. Typo. Created 5 years ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 UI_GL_SCOPED_BINDERS_H_ 5 #ifndef UI_GL_SCOPED_BINDERS_H_
6 #define UI_GL_SCOPED_BINDERS_H_ 6 #define UI_GL_SCOPED_BINDERS_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "ui/gl/gl_export.h" 9 #include "ui/gl/gl_export.h"
10 10
11 namespace gfx { 11 namespace gfx {
12 class GLStateRestorer; 12 class GLStateRestorer;
13 13
14 class GL_EXPORT ScopedFrameBufferBinder { 14 class GL_EXPORT ScopedFrameBufferBinder {
15 public: 15 public:
16 explicit ScopedFrameBufferBinder(unsigned int fbo); 16 explicit ScopedFrameBufferBinder(unsigned int fbo);
17 ~ScopedFrameBufferBinder(); 17 ~ScopedFrameBufferBinder();
18 18
19 private: 19 private:
20 // Whenever possible we prefer to use the current GLContext's 20 // Whenever possible we prefer to use the current GLContext's
21 // GLStateRestorer to maximize driver compabitility. 21 // GLStateRestorer to maximize driver compabitility.
22 GLStateRestorer* state_restorer_; 22 GLStateRestorer* state_restorer_;
23 23
24 // Failing that we use GL calls to save and restore state. 24 // Failing that we use GL calls to save and restore state.
25 int old_fbo_; 25 int old_fbo_;
26 26
27 DISALLOW_COPY_AND_ASSIGN(ScopedFrameBufferBinder); 27 DISALLOW_COPY_AND_ASSIGN(ScopedFrameBufferBinder);
28 }; 28 };
29 29
30 class GL_EXPORT ScopedActiveTexture {
31 public:
32 ScopedActiveTexture(unsigned int texture);
33 ~ScopedActiveTexture();
34
35 private:
36 // TODO(dcastagna): Use GLStateRestorer.
37 int old_texture_;
38
39 DISALLOW_COPY_AND_ASSIGN(ScopedActiveTexture);
40 };
30 41
31 class GL_EXPORT ScopedTextureBinder { 42 class GL_EXPORT ScopedTextureBinder {
32 public: 43 public:
33 ScopedTextureBinder(unsigned int target, unsigned int id); 44 ScopedTextureBinder(unsigned int target, unsigned int id);
34 ~ScopedTextureBinder(); 45 ~ScopedTextureBinder();
35 46
36 private: 47 private:
37 // Whenever possible we prefer to use the current GLContext's 48 // Whenever possible we prefer to use the current GLContext's
38 // GLStateRestorer to maximize driver compabitility. 49 // GLStateRestorer to maximize driver compabitility.
39 GLStateRestorer* state_restorer_; 50 GLStateRestorer* state_restorer_;
40 51
41 // Failing that we use GL calls to save and restore state. 52 // Failing that we use GL calls to save and restore state.
42 int target_; 53 int target_;
43 int old_id_; 54 int old_id_;
44 55
45 DISALLOW_COPY_AND_ASSIGN(ScopedTextureBinder); 56 DISALLOW_COPY_AND_ASSIGN(ScopedTextureBinder);
46 }; 57 };
47 58
59 class GL_EXPORT ScopedUseProgram {
60 public:
61 ScopedUseProgram(unsigned int program);
62 ~ScopedUseProgram();
63
64 private:
65 // TODO(dcastagna): Use GLStateRestorer.
66 int old_program_;
67
68 DISALLOW_COPY_AND_ASSIGN(ScopedUseProgram);
69 };
70
71 class GL_EXPORT ScopedVertexAttribArray {
72 public:
73 ScopedVertexAttribArray(unsigned int index,
74 int size,
75 unsigned int type,
76 char normalized,
77 int stride,
78 const void* pointer);
79 ~ScopedVertexAttribArray();
80
81 private:
82 // TODO(dcastagna): Use GLStateRestorer.
83 int buffer_;
84 int enabled_;
85 int index_;
86 int size_;
87 int type_;
88 int normalized_;
89 int stride_;
90 void* pointer_;
91
92 DISALLOW_COPY_AND_ASSIGN(ScopedVertexAttribArray);
93 };
94
95 class GL_EXPORT ScopedBufferBinder {
96 public:
97 ScopedBufferBinder(unsigned int target, unsigned int index);
98 ~ScopedBufferBinder();
99
100 private:
101 // TODO(dcastagna): Use GLStateRestorer.
102 int target_;
103 int old_id_;
104
105 DISALLOW_COPY_AND_ASSIGN(ScopedBufferBinder);
106 };
107
108 class GL_EXPORT ScopedViewport {
109 public:
110 ScopedViewport(int x, int y, int width, int height);
111 ~ScopedViewport();
112
113 private:
114 int data_[4] = {};
115
116 DISALLOW_COPY_AND_ASSIGN(ScopedViewport);
117 };
118
119 class GL_EXPORT ScopedVertexAttribPointer {
120 public:
121 ScopedVertexAttribPointer(unsigned index,
122 int size,
123 unsigned type,
124 char normalized,
125 int stride,
126 const void* pointer);
127 ~ScopedVertexAttribPointer();
128
129 private:
130 DISALLOW_COPY_AND_ASSIGN(ScopedVertexAttribPointer);
131 };
132
133 class GL_EXPORT ScopedColorMask {
134 public:
135 ScopedColorMask(char red, char green, char blue, char alpha);
136 ~ScopedColorMask();
137
138 private:
139 unsigned char colors_[4] = {};
140
141 DISALLOW_COPY_AND_ASSIGN(ScopedColorMask);
142 };
143
144 class GL_EXPORT ScopedCapability {
145 public:
146 ScopedCapability(unsigned capability, unsigned char enabled);
147 ~ScopedCapability();
148
149 private:
150 unsigned capability_;
151 unsigned char enabled_;
152
153 DISALLOW_COPY_AND_ASSIGN(ScopedCapability);
154 };
155
48 } // namespace gfx 156 } // namespace gfx
49 157
50 #endif // UI_GL_SCOPED_BINDERS_H_ 158 #endif // UI_GL_SCOPED_BINDERS_H_
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