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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 #include "ui/gl/scoped_binders.h" | 5 #include "ui/gl/scoped_binders.h" |
6 #include "ui/gl/gl_bindings.h" | 6 #include "ui/gl/gl_bindings.h" |
7 #include "ui/gl/gl_context.h" | 7 #include "ui/gl/gl_context.h" |
8 #include "ui/gl/gl_state_restorer.h" | 8 #include "ui/gl/gl_state_restorer.h" |
9 | 9 |
10 namespace gfx { | 10 namespace gfx { |
(...skipping 29 matching lines...) Expand all Loading... | |
40 switch (target) { | 40 switch (target) { |
41 case GL_TEXTURE_2D: | 41 case GL_TEXTURE_2D: |
42 target_getter = GL_TEXTURE_BINDING_2D; | 42 target_getter = GL_TEXTURE_BINDING_2D; |
43 break; | 43 break; |
44 case GL_TEXTURE_CUBE_MAP: | 44 case GL_TEXTURE_CUBE_MAP: |
45 target_getter = GL_TEXTURE_BINDING_CUBE_MAP; | 45 target_getter = GL_TEXTURE_BINDING_CUBE_MAP; |
46 break; | 46 break; |
47 case GL_TEXTURE_EXTERNAL_OES: | 47 case GL_TEXTURE_EXTERNAL_OES: |
48 target_getter = GL_TEXTURE_BINDING_EXTERNAL_OES; | 48 target_getter = GL_TEXTURE_BINDING_EXTERNAL_OES; |
49 break; | 49 break; |
50 case GL_TEXTURE_RECTANGLE_ARB: | |
51 target_getter = GL_TEXTURE_BINDING_RECTANGLE_ARB; | |
52 break; | |
50 default: | 53 default: |
51 NOTIMPLEMENTED() << "Target not part of OpenGL ES 2.0 spec."; | 54 NOTIMPLEMENTED() << " Target not supported."; |
52 } | 55 } |
53 glGetIntegerv(target_getter, &old_id_); | 56 glGetIntegerv(target_getter, &old_id_); |
54 } | 57 } |
55 glBindTexture(target_, id); | 58 glBindTexture(target_, id); |
56 } | 59 } |
57 | 60 |
58 ScopedTextureBinder::~ScopedTextureBinder() { | 61 ScopedTextureBinder::~ScopedTextureBinder() { |
59 if (state_restorer_) { | 62 if (state_restorer_) { |
60 DCHECK(!!GLContext::GetCurrent()); | 63 DCHECK(!!GLContext::GetCurrent()); |
61 DCHECK_EQ(state_restorer_, GLContext::GetCurrent()->GetGLStateRestorer()); | 64 DCHECK_EQ(state_restorer_, GLContext::GetCurrent()->GetGLStateRestorer()); |
62 state_restorer_->RestoreActiveTextureUnitBinding(target_); | 65 state_restorer_->RestoreActiveTextureUnitBinding(target_); |
63 } else { | 66 } else { |
64 glBindTexture(target_, old_id_); | 67 glBindTexture(target_, old_id_); |
65 } | 68 } |
66 } | 69 } |
67 | 70 |
71 ScopedUseProgram::ScopedUseProgram(unsigned int program) : old_program_(-1) { | |
72 glGetIntegerv(GL_CURRENT_PROGRAM, &old_program_); | |
73 glUseProgram(program); | |
74 } | |
75 | |
76 ScopedUseProgram::~ScopedUseProgram() { | |
77 glUseProgram(old_program_); | |
78 } | |
79 | |
80 ScopedEnableVertexAttribArray::ScopedEnableVertexAttribArray(unsigned int index) | |
81 : enabled_(0), index_(index) { | |
reveman
2015/10/29 22:08:04
s/0/GL_FALSE/
Daniele Castagna
2015/10/30 23:51:57
Done.
| |
82 glGetVertexAttribiv(index, GL_VERTEX_ATTRIB_ARRAY_ENABLED, &enabled_); | |
83 glEnableVertexAttribArray(index); | |
84 } | |
85 | |
86 ScopedEnableVertexAttribArray::~ScopedEnableVertexAttribArray() { | |
87 if (!enabled_) { | |
reveman
2015/10/29 22:08:04
if (enabled_ == GL_FALSE)
Daniele Castagna
2015/10/30 23:51:57
Done.
| |
88 glDisableVertexAttribArray(index_); | |
89 } | |
90 } | |
91 | |
92 ScopedBufferBinder::ScopedBufferBinder(unsigned int target, unsigned int id) | |
93 : target_(target), old_id_(-1) { | |
94 GLenum target_getter = 0; | |
95 switch (target) { | |
96 case GL_ARRAY_BUFFER: | |
97 target_getter = GL_ARRAY_BUFFER_BINDING; | |
98 break; | |
99 default: | |
100 NOTIMPLEMENTED() << " Target not supported."; | |
101 } | |
102 glGetIntegerv(target_getter, &old_id_); | |
103 glBindBuffer(target_, id); | |
104 } | |
105 | |
106 ScopedBufferBinder::~ScopedBufferBinder() { | |
107 glBindBuffer(target_, old_id_); | |
108 } | |
109 | |
68 } // namespace gfx | 110 } // namespace gfx |
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