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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 "base/logging.h" | 5 #include "base/logging.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_surface_osmesa.h" | 8 #include "ui/gl/gl_surface_osmesa.h" |
9 | 9 |
10 namespace gfx { | 10 namespace gfx { |
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22 buffer_.reset(); | 22 buffer_.reset(); |
23 } | 23 } |
24 | 24 |
25 bool GLSurfaceOSMesa::Resize(const gfx::Size& new_size) { | 25 bool GLSurfaceOSMesa::Resize(const gfx::Size& new_size) { |
26 GLContext* current_context = GLContext::GetCurrent(); | 26 GLContext* current_context = GLContext::GetCurrent(); |
27 bool was_current = current_context && current_context->IsCurrent(this); | 27 bool was_current = current_context && current_context->IsCurrent(this); |
28 if (was_current) | 28 if (was_current) |
29 current_context->ReleaseCurrent(this); | 29 current_context->ReleaseCurrent(this); |
30 | 30 |
31 // Preserve the old buffer. | 31 // Preserve the old buffer. |
32 scoped_array<int32> old_buffer(buffer_.release()); | 32 scoped_ptr<int32[]> old_buffer(buffer_.release()); |
33 | 33 |
34 // Allocate a new one. | 34 // Allocate a new one. |
35 buffer_.reset(new int32[new_size.GetArea()]); | 35 buffer_.reset(new int32[new_size.GetArea()]); |
36 memset(buffer_.get(), 0, new_size.GetArea() * sizeof(buffer_[0])); | 36 memset(buffer_.get(), 0, new_size.GetArea() * sizeof(buffer_[0])); |
37 | 37 |
38 // Copy the old back buffer into the new buffer. | 38 // Copy the old back buffer into the new buffer. |
39 if (old_buffer.get()) { | 39 if (old_buffer.get()) { |
40 int copy_width = std::min(size_.width(), new_size.width()); | 40 int copy_width = std::min(size_.width(), new_size.width()); |
41 int copy_height = std::min(size_.height(), new_size.height()); | 41 int copy_height = std::min(size_.height(), new_size.height()); |
42 for (int y = 0; y < copy_height; ++y) { | 42 for (int y = 0; y < copy_height; ++y) { |
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73 | 73 |
74 unsigned GLSurfaceOSMesa::GetFormat() { | 74 unsigned GLSurfaceOSMesa::GetFormat() { |
75 return format_; | 75 return format_; |
76 } | 76 } |
77 | 77 |
78 GLSurfaceOSMesa::~GLSurfaceOSMesa() { | 78 GLSurfaceOSMesa::~GLSurfaceOSMesa() { |
79 Destroy(); | 79 Destroy(); |
80 } | 80 } |
81 | 81 |
82 } // namespace gfx | 82 } // namespace gfx |
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