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1 //
2 // Copyright 2014 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 // SurfaceD3D.h: D3D implementation of an EGL surface
8 
9 #ifndef LIBANGLE_RENDERER_D3D_SURFACED3D_H_
10 #define LIBANGLE_RENDERER_D3D_SURFACED3D_H_
11 
12 #include "libANGLE/renderer/SurfaceImpl.h"
13 #include "libANGLE/renderer/d3d/NativeWindowD3D.h"
14 
15 namespace egl
16 {
17 class Surface;
18 }
19 
20 namespace rx
21 {
22 class DisplayD3D;
23 class SwapChainD3D;
24 class RendererD3D;
25 
26 class SurfaceD3D : public SurfaceImpl
27 {
28   public:
29     ~SurfaceD3D() override;
30     void releaseSwapChain();
31 
32     egl::Error initialize(const egl::Display *display) override;
33     FramebufferImpl *createDefaultFramebuffer(const gl::Context *context,
34                                               const gl::FramebufferState &state) override;
35 
36     egl::Error swap(const gl::Context *context) override;
37     egl::Error postSubBuffer(const gl::Context *context,
38                              EGLint x,
39                              EGLint y,
40                              EGLint width,
41                              EGLint height) override;
42     egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
43     egl::Error bindTexImage(const gl::Context *context,
44                             gl::Texture *texture,
45                             EGLint buffer) override;
46     egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override;
47     egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override;
48     egl::Error getMscRate(EGLint *numerator, EGLint *denominator) override;
49     void setSwapInterval(EGLint interval) override;
50     void setFixedWidth(EGLint width) override;
51     void setFixedHeight(EGLint height) override;
52 
53     EGLint getWidth() const override;
54     EGLint getHeight() const override;
55 
56     EGLint isPostSubBufferSupported() const override;
57     EGLint getSwapBehavior() const override;
58 
59     // D3D implementations
60     SwapChainD3D *getSwapChain() const;
61 
62     egl::Error resetSwapChain(const egl::Display *display);
63 
64     egl::Error checkForOutOfDateSwapChain(DisplayD3D *displayD3D);
65 
66     angle::Result getAttachmentRenderTarget(const gl::Context *context,
67                                             GLenum binding,
68                                             const gl::ImageIndex &imageIndex,
69                                             GLsizei samples,
70                                             FramebufferAttachmentRenderTarget **rtOut) override;
71     angle::Result initializeContents(const gl::Context *context,
72                                      const gl::ImageIndex &imageIndex) override;
73 
74     const angle::Format *getD3DTextureColorFormat() const override;
75 
76   protected:
77     SurfaceD3D(const egl::SurfaceState &state,
78                RendererD3D *renderer,
79                egl::Display *display,
80                EGLNativeWindowType window,
81                EGLenum buftype,
82                EGLClientBuffer clientBuffer,
83                const egl::AttributeMap &attribs);
84 
85     egl::Error swapRect(DisplayD3D *displayD3D, EGLint x, EGLint y, EGLint width, EGLint height);
86     egl::Error resetSwapChain(DisplayD3D *displayD3D, int backbufferWidth, int backbufferHeight);
87     egl::Error resizeSwapChain(DisplayD3D *displayD3D, int backbufferWidth, int backbufferHeight);
88 
89     RendererD3D *mRenderer;
90     egl::Display *mDisplay;
91 
92     bool mFixedSize;
93     GLint mFixedWidth;
94     GLint mFixedHeight;
95     GLint mOrientation;
96 
97     GLenum mRenderTargetFormat;
98     GLenum mDepthStencilFormat;
99     const angle::Format *mColorFormat;
100 
101     SwapChainD3D *mSwapChain;
102     bool mSwapIntervalDirty;
103 
104     NativeWindowD3D *mNativeWindow;  // Handler for the Window that the surface is created for.
105     EGLint mWidth;
106     EGLint mHeight;
107 
108     EGLint mSwapInterval;
109 
110     HANDLE mShareHandle;
111     IUnknown *mD3DTexture;
112 
113     EGLenum mBuftype;
114 };
115 
116 class WindowSurfaceD3D : public SurfaceD3D
117 {
118   public:
119     WindowSurfaceD3D(const egl::SurfaceState &state,
120                      RendererD3D *renderer,
121                      egl::Display *display,
122                      EGLNativeWindowType window,
123                      const egl::AttributeMap &attribs);
124     ~WindowSurfaceD3D() override;
125 };
126 
127 class PbufferSurfaceD3D : public SurfaceD3D
128 {
129   public:
130     PbufferSurfaceD3D(const egl::SurfaceState &state,
131                       RendererD3D *renderer,
132                       egl::Display *display,
133                       EGLenum buftype,
134                       EGLClientBuffer clientBuffer,
135                       const egl::AttributeMap &attribs);
136     ~PbufferSurfaceD3D() override;
137 };
138 
139 }  // namespace rx
140 
141 #endif  // LIBANGLE_RENDERER_D3D_SURFACED3D_H_
142