1 //
2 // Copyright 2015 The ANGLE Project Authors. All rights reserved.
3 // Use of this source code is governed by a BSD-style license that can be
4 // found in the LICENSE file.
5 //
6 
7 // DisplayCGL.h: CGL implementation of egl::Display
8 
9 #ifndef LIBANGLE_RENDERER_GL_CGL_DISPLAYCGL_H_
10 #define LIBANGLE_RENDERER_GL_CGL_DISPLAYCGL_H_
11 
12 #include "libANGLE/renderer/gl/DisplayGL.h"
13 
14 struct _CGLContextObject;
15 typedef _CGLContextObject *CGLContextObj;
16 
17 struct _CGLPixelFormatObject;
18 typedef _CGLPixelFormatObject *CGLPixelFormatObj;
19 
20 namespace rx
21 {
22 
23 class WorkerContext;
24 
25 class DisplayCGL : public DisplayGL
26 {
27   public:
28     DisplayCGL(const egl::DisplayState &state);
29     ~DisplayCGL() override;
30 
31     egl::Error initialize(egl::Display *display) override;
32     void terminate() override;
33 
34     SurfaceImpl *createWindowSurface(const egl::SurfaceState &state,
35                                      EGLNativeWindowType window,
36                                      const egl::AttributeMap &attribs) override;
37     SurfaceImpl *createPbufferSurface(const egl::SurfaceState &state,
38                                       const egl::AttributeMap &attribs) override;
39     SurfaceImpl *createPbufferFromClientBuffer(const egl::SurfaceState &state,
40                                                EGLenum buftype,
41                                                EGLClientBuffer clientBuffer,
42                                                const egl::AttributeMap &attribs) override;
43     SurfaceImpl *createPixmapSurface(const egl::SurfaceState &state,
44                                      NativePixmapType nativePixmap,
45                                      const egl::AttributeMap &attribs) override;
46 
47     ContextImpl *createContext(const gl::State &state,
48                                gl::ErrorSet *errorSet,
49                                const egl::Config *configuration,
50                                const gl::Context *shareContext,
51                                const egl::AttributeMap &attribs) override;
52 
53     egl::ConfigSet generateConfigs() override;
54 
55     bool testDeviceLost() override;
56     egl::Error restoreLostDevice(const egl::Display *display) override;
57 
58     bool isValidNativeWindow(EGLNativeWindowType window) const override;
59     egl::Error validateClientBuffer(const egl::Config *configuration,
60                                     EGLenum buftype,
61                                     EGLClientBuffer clientBuffer,
62                                     const egl::AttributeMap &attribs) const override;
63 
64     DeviceImpl *createDevice() override;
65 
66     std::string getVendorString() const override;
67 
68     egl::Error waitClient(const gl::Context *context) override;
69     egl::Error waitNative(const gl::Context *context, EGLint engine) override;
70 
71     gl::Version getMaxSupportedESVersion() const override;
72 
73     CGLContextObj getCGLContext() const;
74     CGLPixelFormatObj getCGLPixelFormat() const;
75 
76     WorkerContext *createWorkerContext(std::string *infoLog);
77 
78     void initializeFrontendFeatures(angle::FrontendFeatures *features) const override;
79 
80     void populateFeatureList(angle::FeatureList *features) override;
81 
82     // Support for dual-GPU MacBook Pros. If the context was created
83     // preferring the high-power GPU, unreference that GPU during
84     // context destruction.
85     void unreferenceDiscreteGPU();
86 
87   private:
88     egl::Error makeCurrentSurfaceless(gl::Context *context) override;
89 
90     void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
91     void generateCaps(egl::Caps *outCaps) const override;
92 
93     std::shared_ptr<RendererGL> mRenderer;
94 
95     egl::Display *mEGLDisplay;
96     CGLContextObj mContext;
97     CGLPixelFormatObj mPixelFormat;
98     bool mSupportsGPUSwitching;
99     CGLPixelFormatObj mDiscreteGPUPixelFormat;
100     int mDiscreteGPURefs;
101 };
102 
103 }  // namespace rx
104 
105 #endif  // LIBANGLE_RENDERER_GL_CGL_DISPLAYCGL_H_
106