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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/gl/gl_context_nsview.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #import <AppKit/NSOpenGL.h> | |
| 10 #import <AppKit/NSView.h> | |
| 11 | |
| 12 #include "base/debug/trace_event.h" | |
| 13 #include "base/logging.h" | |
| 14 #include "ui/gl/gl_surface_nsview.h" | |
| 15 | |
| 16 namespace gfx { | |
| 17 | |
| 18 GLContextNSView::GLContextNSView(GLShareGroup* group) | |
| 19 : GLContextReal(group) { | |
| 20 } | |
| 21 | |
| 22 GLContextNSView::~GLContextNSView() { | |
| 23 } | |
| 24 | |
| 25 bool GLContextNSView::Initialize(GLSurface* surface, | |
| 26 GpuPreference gpu_preference) { | |
| 27 DCHECK(!context_) << "NSGLContext was previously initialized."; | |
| 28 gpu_preference_ = gpu_preference; | |
| 29 | |
| 30 std::vector<NSOpenGLPixelFormatAttribute> attributes; | |
| 31 attributes.push_back(NSOpenGLPFAAccelerated); | |
| 32 attributes.push_back(NSOpenGLPFADoubleBuffer); | |
| 33 attributes.push_back(0); | |
| 34 | |
| 35 base::scoped_nsobject<NSOpenGLPixelFormat> pixel_format; | |
| 36 pixel_format.reset([[NSOpenGLPixelFormat alloc] | |
| 37 initWithAttributes:&attributes.front()]); | |
| 38 if (!pixel_format) { | |
| 39 LOG(ERROR) << "NSOpenGLPixelFormat initWithAttributes failed."; | |
| 40 return false; | |
| 41 } | |
| 42 | |
| 43 context_.reset([[NSOpenGLContext alloc] initWithFormat:pixel_format | |
| 44 shareContext:nil]); | |
| 45 if (!context_) { | |
| 46 LOG(ERROR) << "NSOpenGLContext initWithFormat failed"; | |
| 47 return false; | |
| 48 } | |
| 49 | |
| 50 return true; | |
| 51 } | |
| 52 | |
| 53 void GLContextNSView::Destroy() { | |
| 54 context_.reset(nil); | |
| 55 } | |
| 56 | |
| 57 bool GLContextNSView::MakeCurrent(GLSurface* surface) { | |
| 58 ScopedReleaseCurrent release_current; | |
| 59 TRACE_EVENT0("gpu", "GLContextNSView::MakeCurrent"); | |
| 60 AcceleratedWidget view = | |
| 61 static_cast<AcceleratedWidget>(surface->GetHandle()); | |
| 62 // Only set the context's view if the view is parented. | |
| 63 // I.e. it is a valid drawable. | |
| 64 if ([view window]) | |
| 65 [context_ setView:view]; | |
| 66 [context_ makeCurrentContext]; | |
| 67 | |
| 68 SetRealGLApi(); | |
| 69 SetCurrent(surface); | |
| 70 if (!InitializeDynamicBindings()) { | |
| 71 return false; | |
| 72 } | |
| 73 | |
| 74 if (!surface->OnMakeCurrent(this)) { | |
| 75 LOG(ERROR) << "Unable to make gl context current."; | |
| 76 return false; | |
| 77 } | |
| 78 | |
| 79 release_current.Cancel(); | |
| 80 return true; | |
| 81 } | |
| 82 | |
| 83 void GLContextNSView::ReleaseCurrent(GLSurface* surface) { | |
| 84 [NSOpenGLContext clearCurrentContext]; | |
| 85 } | |
| 86 | |
| 87 bool GLContextNSView::IsCurrent(GLSurface* surface) { | |
| 88 return context_ == [NSOpenGLContext currentContext]; | |
| 89 } | |
| 90 | |
| 91 void* GLContextNSView::GetHandle() { | |
| 92 return context_; | |
| 93 } | |
| 94 | |
| 95 void GLContextNSView::SetSwapInterval(int interval) { | |
| 96 DCHECK(interval == 0 || interval == 1); | |
| 97 GLint swap = interval; | |
| 98 [context_ setValues:&swap forParameter:NSOpenGLCPSwapInterval]; | |
| 99 } | |
| 100 | |
| 101 void GLContextNSView::FlushBuffer() { | |
| 102 [context_ flushBuffer]; | |
| 103 } | |
| 104 | |
| 105 } // namespace gfx | |
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Chromium Code Reviews
Issue 227473009:
Mac: Remove NSView support (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src