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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2016 Google Inc. | 3 * Copyright 2016 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "GLWindowContext_unix.h" | 9 #include "../GLWindowContext.h" |
| 10 #include "WindowContextFactory_unix.h" |
10 | 11 |
11 #include <GL/gl.h> | 12 #include <GL/gl.h> |
12 | 13 |
13 #include "Window_unix.h" | 14 using sk_app::window_context_factory::XlibWindowInfo; |
| 15 using sk_app::DisplayParams; |
| 16 using sk_app::GLWindowContext; |
14 | 17 |
15 namespace sk_app { | 18 namespace { |
16 | 19 |
17 // platform-dependent create | 20 class GLWindowContext_xlib : public GLWindowContext { |
18 GLWindowContext* GLWindowContext::Create(void* platformData, const DisplayParams
& params) { | 21 public: |
19 GLWindowContext_unix* ctx = new GLWindowContext_unix(platformData, params); | 22 GLWindowContext_xlib(const XlibWindowInfo&, const DisplayParams&); |
20 if (!ctx->isValid()) { | 23 ~GLWindowContext_xlib() override; |
21 delete ctx; | 24 |
22 return nullptr; | 25 void onSwapBuffers() override; |
23 } | 26 |
24 return ctx; | 27 void onDestroyContext() override; |
| 28 |
| 29 protected: |
| 30 void onInitializeContext() override; |
| 31 |
| 32 private: |
| 33 GLWindowContext_xlib(void*, const DisplayParams&); |
| 34 |
| 35 Display* fDisplay; |
| 36 XWindow fWindow; |
| 37 XVisualInfo* fVisualInfo; |
| 38 GLXContext fGLContext; |
| 39 }; |
| 40 |
| 41 GLWindowContext_xlib::GLWindowContext_xlib(const XlibWindowInfo& winInfo, const
DisplayParams& params) |
| 42 : GLWindowContext(params) |
| 43 , fDisplay(winInfo.fDisplay) |
| 44 , fWindow(winInfo.fWindow) |
| 45 , fVisualInfo(winInfo.fVisualInfo) |
| 46 , fGLContext() { |
| 47 this->initializeContext(); |
25 } | 48 } |
26 | 49 |
27 GLWindowContext_unix::GLWindowContext_unix(void* platformData, const DisplayPara
ms& params) | 50 void GLWindowContext_xlib::onInitializeContext() { |
28 : GLWindowContext(platformData, params) | |
29 , fDisplay(nullptr) | |
30 , fWindow(0) | |
31 , fGLContext(0) { | |
32 | |
33 // any config code here (particularly for msaa)? | 51 // any config code here (particularly for msaa)? |
34 | |
35 this->initializeContext(platformData, params); | |
36 } | |
37 | |
38 GLWindowContext_unix::~GLWindowContext_unix() { | |
39 this->destroyContext(); | |
40 } | |
41 | |
42 void GLWindowContext_unix::onInitializeContext(void* platformData, const Display
Params& params) { | |
43 ContextPlatformData_unix* unixPlatformData = | |
44 reinterpret_cast<ContextPlatformData_unix*>(platformData); | |
45 | |
46 if (unixPlatformData) { | |
47 fDisplay = unixPlatformData->fDisplay; | |
48 fWindow = unixPlatformData->fWindow; | |
49 fVisualInfo = unixPlatformData->fVisualInfo; | |
50 } | |
51 SkASSERT(fDisplay); | 52 SkASSERT(fDisplay); |
52 | |
53 fGLContext = glXCreateContext(fDisplay, fVisualInfo, nullptr, GL_TRUE); | 53 fGLContext = glXCreateContext(fDisplay, fVisualInfo, nullptr, GL_TRUE); |
54 if (!fGLContext) { | 54 if (!fGLContext) { |
55 return; | 55 return; |
56 } | 56 } |
57 | 57 |
58 if (glXMakeCurrent(fDisplay, fWindow, fGLContext)) { | 58 if (glXMakeCurrent(fDisplay, fWindow, fGLContext)) { |
59 glClearStencil(0); | 59 glClearStencil(0); |
60 glClearColor(0, 0, 0, 0); | 60 glClearColor(0, 0, 0, 0); |
61 glStencilMask(0xffffffff); | 61 glStencilMask(0xffffffff); |
62 glClear(GL_STENCIL_BUFFER_BIT | GL_COLOR_BUFFER_BIT); | 62 glClear(GL_STENCIL_BUFFER_BIT | GL_COLOR_BUFFER_BIT); |
63 | 63 |
64 int redBits, greenBits, blueBits; | 64 int redBits, greenBits, blueBits; |
65 glXGetConfig(fDisplay, fVisualInfo, GLX_RED_SIZE, &redBits); | 65 glXGetConfig(fDisplay, fVisualInfo, GLX_RED_SIZE, &redBits); |
66 glXGetConfig(fDisplay, fVisualInfo, GLX_GREEN_SIZE, &greenBits); | 66 glXGetConfig(fDisplay, fVisualInfo, GLX_GREEN_SIZE, &greenBits); |
67 glXGetConfig(fDisplay, fVisualInfo, GLX_BLUE_SIZE, &blueBits); | 67 glXGetConfig(fDisplay, fVisualInfo, GLX_BLUE_SIZE, &blueBits); |
68 fColorBits = redBits + greenBits + blueBits; | 68 fColorBits = redBits + greenBits + blueBits; |
69 glXGetConfig(fDisplay, fVisualInfo, GLX_STENCIL_SIZE, &fStencilBits); | 69 glXGetConfig(fDisplay, fVisualInfo, GLX_STENCIL_SIZE, &fStencilBits); |
70 glXGetConfig(fDisplay, fVisualInfo, GLX_SAMPLES_ARB, &fSampleCount); | 70 glXGetConfig(fDisplay, fVisualInfo, GLX_SAMPLES_ARB, &fSampleCount); |
71 | 71 |
72 XWindow root; | 72 XWindow root; |
73 int x, y; | 73 int x, y; |
74 unsigned int border_width, depth; | 74 unsigned int border_width, depth; |
75 XGetGeometry(fDisplay, fWindow, &root, &x, &y, | 75 XGetGeometry(fDisplay, fWindow, &root, &x, &y, |
76 (unsigned int*)&fWidth, (unsigned int*)&fHeight, &border_wi
dth, &depth); | 76 (unsigned int*)&fWidth, (unsigned int*)&fHeight, &border_wi
dth, &depth); |
77 glViewport(0, 0, fWidth, fHeight); | 77 glViewport(0, 0, fWidth, fHeight); |
78 } | 78 } |
79 } | 79 } |
80 | 80 |
81 void GLWindowContext_unix::onDestroyContext() { | 81 GLWindowContext_xlib::~GLWindowContext_xlib() { |
| 82 this->destroyContext(); |
| 83 } |
| 84 |
| 85 void GLWindowContext_xlib::onDestroyContext() { |
82 if (!fDisplay || !fGLContext) { | 86 if (!fDisplay || !fGLContext) { |
83 return; | 87 return; |
84 } | 88 } |
85 glXMakeCurrent(fDisplay, None, nullptr); | 89 glXMakeCurrent(fDisplay, None, nullptr); |
86 glXDestroyContext(fDisplay, fGLContext); | 90 glXDestroyContext(fDisplay, fGLContext); |
87 fGLContext = nullptr; | 91 fGLContext = nullptr; |
88 } | 92 } |
89 | 93 |
90 | 94 void GLWindowContext_xlib::onSwapBuffers() { |
91 void GLWindowContext_unix::onSwapBuffers() { | |
92 if (fDisplay && fGLContext) { | 95 if (fDisplay && fGLContext) { |
93 glXSwapBuffers(fDisplay, fWindow); | 96 glXSwapBuffers(fDisplay, fWindow); |
94 } | 97 } |
95 } | 98 } |
96 | 99 |
| 100 } // anonymous namespace |
97 | 101 |
98 } //namespace sk_app | 102 namespace sk_app { |
| 103 |
| 104 namespace window_context_factory { |
| 105 |
| 106 WindowContext* NewGLForXlib(const XlibWindowInfo& winInfo, const DisplayParams&
params) { |
| 107 WindowContext* ctx = new GLWindowContext_xlib(winInfo, params); |
| 108 if (!ctx->isValid()) { |
| 109 delete ctx; |
| 110 return nullptr; |
| 111 } |
| 112 return ctx; |
| 113 } |
| 114 |
| 115 } // namespace window_context_factory |
| 116 |
| 117 } // namespace sk_app |
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