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b311480e | 1 | // Created on: 2011-09-20 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
b5ac8292 | 16 | #include <OpenGl_GlCore12.hxx> |
2166f0fa | 17 | |
2166f0fa | 18 | #include <OpenGl_Context.hxx> |
25b97fac | 19 | #include <OpenGl_GraphicDriver.hxx> |
c827ea3a | 20 | #include <OpenGl_Window.hxx> |
39235bed | 21 | #include <OpenGl_FrameBuffer.hxx> |
2166f0fa SK |
22 | |
23 | #include <Aspect_GraphicDeviceDefinitionError.hxx> | |
825aa485 | 24 | #include <Graphic3d_TransformUtils.hxx> |
2166f0fa | 25 | #include <TCollection_AsciiString.hxx> |
b5ac8292 | 26 | #include <TCollection_ExtendedString.hxx> |
c04c30b3 | 27 | #include <Graphic3d_GraphicDriver.hxx> |
2166f0fa | 28 | |
2f690078 | 29 | #include <memory> |
30 | ||
25e59720 | 31 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Window,Standard_Transient) |
92efcf78 | 32 | |
1ce0716b | 33 | #if defined(HAVE_EGL) |
25b97fac | 34 | #include <EGL/egl.h> |
35 | #endif | |
36 | ||
2166f0fa | 37 | |
4fe56619 | 38 | #if !defined(__APPLE__) || defined(MACOSX_USE_GLX) |
39 | ||
2166f0fa SK |
40 | namespace |
41 | { | |
2166f0fa | 42 | |
1ce0716b | 43 | #if defined(HAVE_EGL) |
25b97fac | 44 | // |
45 | #elif defined(_WIN32) | |
58655684 | 46 | |
abe46077 | 47 | // WGL_ARB_pixel_format |
48 | #ifndef WGL_NUMBER_PIXEL_FORMATS_ARB | |
49 | #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000 | |
50 | #define WGL_DRAW_TO_WINDOW_ARB 0x2001 | |
51 | #define WGL_DRAW_TO_BITMAP_ARB 0x2002 | |
52 | #define WGL_ACCELERATION_ARB 0x2003 | |
53 | #define WGL_NEED_PALETTE_ARB 0x2004 | |
54 | #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005 | |
55 | #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006 | |
56 | #define WGL_SWAP_METHOD_ARB 0x2007 | |
57 | #define WGL_NUMBER_OVERLAYS_ARB 0x2008 | |
58 | #define WGL_NUMBER_UNDERLAYS_ARB 0x2009 | |
59 | #define WGL_TRANSPARENT_ARB 0x200A | |
60 | #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037 | |
61 | #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038 | |
62 | #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039 | |
63 | #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A | |
64 | #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B | |
65 | #define WGL_SHARE_DEPTH_ARB 0x200C | |
66 | #define WGL_SHARE_STENCIL_ARB 0x200D | |
67 | #define WGL_SHARE_ACCUM_ARB 0x200E | |
68 | #define WGL_SUPPORT_GDI_ARB 0x200F | |
69 | #define WGL_SUPPORT_OPENGL_ARB 0x2010 | |
70 | #define WGL_DOUBLE_BUFFER_ARB 0x2011 | |
71 | #define WGL_STEREO_ARB 0x2012 | |
72 | #define WGL_PIXEL_TYPE_ARB 0x2013 | |
73 | #define WGL_COLOR_BITS_ARB 0x2014 | |
74 | #define WGL_RED_BITS_ARB 0x2015 | |
75 | #define WGL_RED_SHIFT_ARB 0x2016 | |
76 | #define WGL_GREEN_BITS_ARB 0x2017 | |
77 | #define WGL_GREEN_SHIFT_ARB 0x2018 | |
78 | #define WGL_BLUE_BITS_ARB 0x2019 | |
79 | #define WGL_BLUE_SHIFT_ARB 0x201A | |
80 | #define WGL_ALPHA_BITS_ARB 0x201B | |
81 | #define WGL_ALPHA_SHIFT_ARB 0x201C | |
82 | #define WGL_ACCUM_BITS_ARB 0x201D | |
83 | #define WGL_ACCUM_RED_BITS_ARB 0x201E | |
84 | #define WGL_ACCUM_GREEN_BITS_ARB 0x201F | |
85 | #define WGL_ACCUM_BLUE_BITS_ARB 0x2020 | |
86 | #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021 | |
87 | #define WGL_DEPTH_BITS_ARB 0x2022 | |
88 | #define WGL_STENCIL_BITS_ARB 0x2023 | |
89 | #define WGL_AUX_BUFFERS_ARB 0x2024 | |
90 | ||
91 | #define WGL_NO_ACCELERATION_ARB 0x2025 | |
92 | #define WGL_GENERIC_ACCELERATION_ARB 0x2026 | |
93 | #define WGL_FULL_ACCELERATION_ARB 0x2027 | |
94 | ||
95 | #define WGL_SWAP_EXCHANGE_ARB 0x2028 | |
96 | #define WGL_SWAP_COPY_ARB 0x2029 | |
97 | #define WGL_SWAP_UNDEFINED_ARB 0x202A | |
98 | ||
99 | #define WGL_TYPE_RGBA_ARB 0x202B | |
100 | #define WGL_TYPE_COLORINDEX_ARB 0x202C | |
101 | #endif // WGL_NUMBER_PIXEL_FORMATS_ARB | |
102 | ||
58655684 | 103 | // WGL_ARB_create_context_profile |
104 | #ifndef WGL_CONTEXT_MAJOR_VERSION_ARB | |
105 | #define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091 | |
106 | #define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092 | |
107 | #define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093 | |
108 | #define WGL_CONTEXT_FLAGS_ARB 0x2094 | |
109 | #define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126 | |
110 | ||
111 | // WGL_CONTEXT_FLAGS bits | |
112 | #define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001 | |
113 | #define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 | |
114 | ||
115 | // WGL_CONTEXT_PROFILE_MASK_ARB bits | |
116 | #define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 | |
117 | #define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 | |
118 | #endif // WGL_CONTEXT_MAJOR_VERSION_ARB | |
119 | ||
120 | static LRESULT CALLBACK wndProcDummy (HWND theWin, UINT theMsg, WPARAM theParamW, LPARAM theParamL) | |
121 | { | |
122 | return DefWindowProcW (theWin, theMsg, theParamW, theParamL); | |
123 | } | |
2166f0fa | 124 | #else |
b6bf4ec1 | 125 | |
126 | // GLX_ARB_create_context | |
127 | #ifndef GLX_CONTEXT_MAJOR_VERSION_ARB | |
128 | #define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001 | |
129 | #define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002 | |
130 | #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 | |
131 | #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 | |
132 | #define GLX_CONTEXT_FLAGS_ARB 0x2094 | |
133 | ||
134 | // GLX_ARB_create_context_profile | |
135 | #define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 | |
136 | #define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 | |
137 | #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126 | |
138 | #endif | |
139 | ||
140 | //! Dummy XError handler which just skips errors | |
141 | static int xErrorDummyHandler (Display* /*theDisplay*/, | |
142 | XErrorEvent* /*theErrorEvent*/) | |
143 | { | |
144 | return 0; | |
145 | } | |
146 | ||
147 | //! Auxiliary method to format list. | |
148 | static void addMsgToList (TCollection_ExtendedString& theList, | |
149 | const TCollection_ExtendedString& theMsg) | |
2166f0fa | 150 | { |
b6bf4ec1 | 151 | if (!theList.IsEmpty()) |
152 | { | |
153 | theList += ", "; | |
154 | } | |
155 | theList += theMsg; | |
2166f0fa SK |
156 | } |
157 | #endif | |
158 | ||
5640d653 | 159 | } |
2166f0fa SK |
160 | |
161 | // ======================================================================= | |
162 | // function : OpenGl_Window | |
163 | // purpose : | |
164 | // ======================================================================= | |
25b97fac | 165 | OpenGl_Window::OpenGl_Window (const Handle(OpenGl_GraphicDriver)& theDriver, |
c357e426 | 166 | const Handle(Aspect_Window)& thePlatformWindow, |
5e27df78 | 167 | Aspect_RenderingContext theGContext, |
58655684 | 168 | const Handle(OpenGl_Caps)& theCaps, |
5e27df78 | 169 | const Handle(OpenGl_Context)& theShareCtx) |
73192b37 | 170 | : myGlContext (new OpenGl_Context (theCaps)), |
2166f0fa | 171 | myOwnGContext (theGContext == 0), |
c357e426 | 172 | myPlatformWindow (thePlatformWindow), |
f978241f | 173 | mySwapInterval (theCaps->swapInterval) |
2166f0fa | 174 | { |
c357e426 | 175 | myPlatformWindow->Size (myWidth, myHeight); |
2166f0fa | 176 | |
4e1523ef | 177 | Standard_Boolean isCoreProfile = Standard_False; |
178 | ||
1ce0716b | 179 | #if defined(HAVE_EGL) |
25b97fac | 180 | EGLDisplay anEglDisplay = (EGLDisplay )theDriver->getRawGlDisplay(); |
181 | EGLContext anEglContext = (EGLContext )theDriver->getRawGlContext(); | |
182 | EGLConfig anEglConfig = (EGLConfig )theDriver->getRawGlConfig(); | |
183 | if (anEglDisplay == EGL_NO_DISPLAY | |
184 | || anEglContext == EGL_NO_CONTEXT | |
39235bed | 185 | || (anEglConfig == NULL |
186 | && (EGLContext )theGContext == EGL_NO_CONTEXT)) | |
25b97fac | 187 | { |
9775fa61 | 188 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL does not provide compatible configurations!"); |
25b97fac | 189 | return; |
190 | } | |
191 | ||
192 | EGLSurface anEglSurf = EGL_NO_SURFACE; | |
39235bed | 193 | if ((EGLContext )theGContext == EGL_NO_CONTEXT) |
25b97fac | 194 | { |
195 | // create new surface | |
c357e426 | 196 | anEglSurf = eglCreateWindowSurface (anEglDisplay, |
197 | anEglConfig, | |
198 | (EGLNativeWindowType )myPlatformWindow->NativeHandle(), | |
199 | NULL); | |
25b97fac | 200 | if (anEglSurf == EGL_NO_SURFACE) |
201 | { | |
9775fa61 | 202 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is unable to create surface for window!"); |
25b97fac | 203 | return; |
204 | } | |
205 | } | |
206 | else if (theGContext != anEglContext) | |
207 | { | |
9775fa61 | 208 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is used in unsupported combination!"); |
25b97fac | 209 | return; |
210 | } | |
211 | else | |
212 | { | |
213 | anEglSurf = eglGetCurrentSurface(EGL_DRAW); | |
214 | if (anEglSurf == EGL_NO_SURFACE) | |
215 | { | |
39235bed | 216 | // window-less EGL context (off-screen) |
217 | //throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is unable to retrieve current surface!"); | |
218 | if (anEglConfig != NULL) | |
219 | { | |
220 | const int aSurfAttribs[] = | |
221 | { | |
222 | EGL_WIDTH, myWidth, | |
223 | EGL_HEIGHT, myHeight, | |
224 | EGL_NONE | |
225 | }; | |
226 | anEglSurf = eglCreatePbufferSurface (anEglDisplay, anEglConfig, aSurfAttribs); | |
227 | if (anEglSurf == EGL_NO_SURFACE) | |
228 | { | |
229 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is unable to create off-screen surface!"); | |
230 | } | |
231 | } | |
232 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_LOW, | |
233 | "OpenGl_Window::CreateWindow: WARNING, a Window is created without a EGL Surface!"); | |
25b97fac | 234 | } |
235 | } | |
236 | ||
4e1523ef | 237 | myGlContext->Init ((Aspect_Drawable )anEglSurf, (Aspect_Display )anEglDisplay, (Aspect_RenderingContext )anEglContext, isCoreProfile); |
25b97fac | 238 | #elif defined(_WIN32) |
239 | (void )theDriver; | |
c357e426 | 240 | HWND aWindow = (HWND )myPlatformWindow->NativeHandle(); |
5e27df78 | 241 | HDC aWindowDC = GetDC (aWindow); |
242 | HGLRC aGContext = (HGLRC )theGContext; | |
243 | ||
3d8969b1 | 244 | PIXELFORMATDESCRIPTOR aPixelFrmt; |
abe46077 | 245 | memset (&aPixelFrmt, 0, sizeof(aPixelFrmt)); |
246 | aPixelFrmt.nSize = sizeof(PIXELFORMATDESCRIPTOR); | |
247 | aPixelFrmt.nVersion = 1; | |
248 | aPixelFrmt.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; | |
249 | aPixelFrmt.iPixelType = PFD_TYPE_RGBA; | |
250 | aPixelFrmt.cColorBits = 24; | |
251 | aPixelFrmt.cDepthBits = 24; | |
252 | aPixelFrmt.cStencilBits = 8; | |
253 | aPixelFrmt.iLayerType = PFD_MAIN_PLANE; | |
254 | if (theCaps->contextStereo) | |
255 | { | |
256 | aPixelFrmt.dwFlags |= PFD_STEREO; | |
257 | } | |
258 | ||
259 | int aPixelFrmtId = ChoosePixelFormat (aWindowDC, &aPixelFrmt); | |
b5ac8292 | 260 | |
261 | // in case of failure try without stereo if any | |
4e1523ef | 262 | const Standard_Boolean hasStereo = aPixelFrmtId != 0 && theCaps->contextStereo; |
b5ac8292 | 263 | if (aPixelFrmtId == 0 && theCaps->contextStereo) |
264 | { | |
265 | TCollection_ExtendedString aMsg ("OpenGl_Window::CreateWindow: " | |
266 | "ChoosePixelFormat is unable to find stereo supported pixel format. " | |
267 | "Choosing similar non stereo format."); | |
3b523c4c | 268 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, |
269 | GL_DEBUG_TYPE_OTHER, | |
270 | 0, GL_DEBUG_SEVERITY_HIGH, aMsg); | |
b5ac8292 | 271 | |
272 | aPixelFrmt.dwFlags &= ~PFD_STEREO; | |
273 | aPixelFrmtId = ChoosePixelFormat (aWindowDC, &aPixelFrmt); | |
274 | } | |
275 | ||
3d8969b1 | 276 | if (aPixelFrmtId == 0) |
5e27df78 | 277 | { |
278 | ReleaseDC (aWindow, aWindowDC); | |
279 | ||
280 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: ChoosePixelFormat failed. Error code: "); | |
281 | aMsg += (int )GetLastError(); | |
9775fa61 | 282 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
5e27df78 | 283 | return; |
284 | } | |
285 | ||
abe46077 | 286 | DescribePixelFormat (aWindowDC, aPixelFrmtId, sizeof(aPixelFrmt), &aPixelFrmt); |
5e27df78 | 287 | |
58655684 | 288 | HGLRC aSlaveCtx = !theShareCtx.IsNull() ? (HGLRC )theShareCtx->myGContext : NULL; |
5e27df78 | 289 | if (aGContext == NULL) |
290 | { | |
58655684 | 291 | // create temporary context to retrieve advanced context creation procedures |
292 | HMODULE aModule = GetModuleHandleW(NULL); | |
293 | WNDCLASSW aClass; memset (&aClass, 0, sizeof(aClass)); | |
294 | aClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; | |
295 | aClass.lpfnWndProc = wndProcDummy; | |
296 | aClass.hInstance = aModule; | |
297 | aClass.lpszClassName = L"OpenGl_WindowTmp"; | |
298 | HWND aWinTmp = NULL; | |
299 | HDC aDevCtxTmp = NULL; | |
300 | HGLRC aRendCtxTmp = NULL; | |
4e1523ef | 301 | if ((!theCaps->contextDebug && !theCaps->contextNoAccel && theCaps->contextCompatible) |
58655684 | 302 | || RegisterClassW (&aClass) == 0) |
303 | { | |
304 | aClass.lpszClassName = NULL; | |
305 | } | |
306 | if (aClass.lpszClassName != NULL) | |
307 | { | |
229c0b6a | 308 | DWORD anExStyle = WS_EX_TOOLWINDOW | WS_EX_WINDOWEDGE; |
309 | #if (_WIN32_WINNT >= 0x0500) | |
310 | anExStyle |= WS_EX_NOACTIVATE; | |
311 | #endif | |
312 | aWinTmp = CreateWindowExW(anExStyle, | |
58655684 | 313 | aClass.lpszClassName, L"OpenGl_WindowTmp", |
314 | WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_DISABLED, | |
315 | 2, 2, 4, 4, | |
316 | NULL, NULL, aModule, NULL); | |
317 | } | |
318 | if (aWinTmp != NULL) | |
319 | { | |
320 | aDevCtxTmp = GetDC (aWinTmp); | |
321 | SetPixelFormat (aDevCtxTmp, aPixelFrmtId, &aPixelFrmt); | |
322 | aRendCtxTmp = wglCreateContext (aDevCtxTmp); | |
323 | } | |
abe46077 | 324 | |
325 | typedef BOOL (WINAPI *wglChoosePixelFormatARB_t)(HDC theDevCtx, | |
326 | const int* theIntAttribs, | |
327 | const float* theFloatAttribs, | |
328 | unsigned int theMaxFormats, | |
329 | int* theFormatsOut, | |
330 | unsigned int* theNumFormatsOut); | |
331 | typedef HGLRC (WINAPI *wglCreateContextAttribsARB_t)(HDC theDevCtx, | |
332 | HGLRC theShareContext, | |
333 | const int* theAttribs); | |
334 | wglChoosePixelFormatARB_t aChoosePixProc = NULL; | |
335 | wglCreateContextAttribsARB_t aCreateCtxProc = NULL; | |
58655684 | 336 | if (aRendCtxTmp != NULL) |
337 | { | |
338 | wglMakeCurrent (aDevCtxTmp, aRendCtxTmp); | |
339 | ||
340 | typedef const char* (WINAPI *wglGetExtensionsStringARB_t)(HDC theDeviceContext); | |
abe46077 | 341 | wglGetExtensionsStringARB_t aGetExtensions = (wglGetExtensionsStringARB_t )wglGetProcAddress ("wglGetExtensionsStringARB"); |
342 | const char* aWglExts = (aGetExtensions != NULL) ? aGetExtensions (wglGetCurrentDC()) : NULL; | |
343 | if (OpenGl_Context::CheckExtension (aWglExts, "WGL_ARB_pixel_format")) | |
344 | { | |
345 | aChoosePixProc = (wglChoosePixelFormatARB_t )wglGetProcAddress ("wglChoosePixelFormatARB"); | |
346 | } | |
347 | if (OpenGl_Context::CheckExtension (aWglExts, "WGL_ARB_create_context_profile")) | |
348 | { | |
349 | aCreateCtxProc = (wglCreateContextAttribsARB_t )wglGetProcAddress ("wglCreateContextAttribsARB"); | |
350 | } | |
351 | } | |
352 | ||
353 | // choose extended pixel format | |
354 | if (aChoosePixProc != NULL) | |
355 | { | |
356 | const int aPixAttribs[] = | |
357 | { | |
358 | WGL_DRAW_TO_WINDOW_ARB, GL_TRUE, | |
359 | WGL_SUPPORT_OPENGL_ARB, GL_TRUE, | |
360 | WGL_DOUBLE_BUFFER_ARB, GL_TRUE, | |
4e1523ef | 361 | WGL_STEREO_ARB, hasStereo ? GL_TRUE : GL_FALSE, |
abe46077 | 362 | WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, |
363 | //WGL_SAMPLE_BUFFERS_ARB, 1, | |
364 | //WGL_SAMPLES_ARB, 8, | |
365 | WGL_COLOR_BITS_ARB, 24, | |
366 | WGL_DEPTH_BITS_ARB, 24, | |
367 | WGL_STENCIL_BITS_ARB, 8, | |
368 | WGL_ACCELERATION_ARB, theCaps->contextNoAccel ? WGL_NO_ACCELERATION_ARB : WGL_FULL_ACCELERATION_ARB, | |
369 | 0, 0, | |
370 | }; | |
371 | unsigned int aFrmtsNb = 0; | |
372 | aChoosePixProc (aWindowDC, aPixAttribs, NULL, 1, &aPixelFrmtId, &aFrmtsNb); | |
373 | } | |
374 | ||
375 | // setup pixel format - may be set only once per window | |
376 | if (!SetPixelFormat (aWindowDC, aPixelFrmtId, &aPixelFrmt)) | |
377 | { | |
378 | ReleaseDC (aWindow, aWindowDC); | |
379 | ||
380 | TCollection_AsciiString aMsg("OpenGl_Window::CreateWindow: SetPixelFormat failed. Error code: "); | |
381 | aMsg += (int )GetLastError(); | |
9775fa61 | 382 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
abe46077 | 383 | return; |
384 | } | |
385 | ||
386 | // create GL context with extra options | |
387 | if (aCreateCtxProc != NULL) | |
388 | { | |
4e1523ef | 389 | if (!theCaps->contextCompatible) |
abe46077 | 390 | { |
4e1523ef | 391 | int aCoreCtxAttribs[] = |
392 | { | |
393 | WGL_CONTEXT_MAJOR_VERSION_ARB, 3, | |
394 | WGL_CONTEXT_MINOR_VERSION_ARB, 2, | |
395 | WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, | |
396 | WGL_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, | |
397 | 0, 0 | |
398 | }; | |
399 | ||
400 | // Try to create the core profile of highest OpenGL version supported by OCCT | |
401 | // (this will be done automatically by some drivers when requesting 3.2, | |
402 | // but some will not (e.g. AMD Catalyst) since WGL_ARB_create_context_profile specification allows both implementations). | |
403 | for (int aLowVer4 = 5; aLowVer4 >= 0 && aGContext == NULL; --aLowVer4) | |
404 | { | |
405 | aCoreCtxAttribs[1] = 4; | |
406 | aCoreCtxAttribs[3] = aLowVer4; | |
407 | aGContext = aCreateCtxProc (aWindowDC, aSlaveCtx, aCoreCtxAttribs); | |
408 | } | |
409 | for (int aLowVer3 = 3; aLowVer3 >= 2 && aGContext == NULL; --aLowVer3) | |
410 | { | |
411 | aCoreCtxAttribs[1] = 3; | |
412 | aCoreCtxAttribs[3] = aLowVer3; | |
413 | aGContext = aCreateCtxProc (aWindowDC, aSlaveCtx, aCoreCtxAttribs); | |
414 | } | |
415 | isCoreProfile = aGContext != NULL; | |
416 | } | |
417 | ||
418 | if (aGContext == NULL) | |
419 | { | |
420 | int aCtxAttribs[] = | |
421 | { | |
422 | // Beware! NVIDIA drivers reject context creation when WGL_CONTEXT_PROFILE_MASK_ARB are specified | |
423 | // but not WGL_CONTEXT_MAJOR_VERSION_ARB/WGL_CONTEXT_MINOR_VERSION_ARB. | |
424 | //WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, | |
425 | WGL_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, | |
426 | 0, 0 | |
427 | }; | |
428 | isCoreProfile = Standard_False; | |
429 | aGContext = aCreateCtxProc (aWindowDC, aSlaveCtx, aCtxAttribs); | |
430 | ||
431 | if (aGContext != NULL | |
432 | && !theCaps->contextCompatible) | |
433 | { | |
434 | TCollection_ExtendedString aMsg("OpenGl_Window::CreateWindow: core profile creation failed."); | |
3b523c4c | 435 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_LOW, aMsg); |
4e1523ef | 436 | } |
437 | } | |
abe46077 | 438 | |
abe46077 | 439 | if (aGContext != NULL) |
58655684 | 440 | { |
abe46077 | 441 | aSlaveCtx = NULL; |
58655684 | 442 | } |
443 | } | |
444 | ||
445 | if (aRendCtxTmp != NULL) | |
446 | { | |
447 | wglDeleteContext (aRendCtxTmp); | |
448 | } | |
449 | if (aDevCtxTmp != NULL) | |
450 | { | |
451 | ReleaseDC (aWinTmp, aDevCtxTmp); | |
452 | } | |
453 | if (aWinTmp != NULL) | |
454 | { | |
455 | DestroyWindow (aWinTmp); | |
456 | } | |
457 | if (aClass.lpszClassName != NULL) | |
458 | { | |
459 | UnregisterClassW (aClass.lpszClassName, aModule); | |
460 | } | |
461 | ||
462 | if (aGContext == NULL) | |
463 | { | |
abe46077 | 464 | // create context using obsolete functionality |
58655684 | 465 | aGContext = wglCreateContext (aWindowDC); |
466 | } | |
5e27df78 | 467 | if (aGContext == NULL) |
468 | { | |
469 | ReleaseDC (aWindow, aWindowDC); | |
470 | ||
471 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: wglCreateContext failed. Error code: "); | |
472 | aMsg += (int )GetLastError(); | |
9775fa61 | 473 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
5e27df78 | 474 | return; |
475 | } | |
476 | } | |
477 | ||
478 | // all GL context within one OpenGl_GraphicDriver should be shared! | |
58655684 | 479 | if (aSlaveCtx != NULL && wglShareLists (aSlaveCtx, aGContext) != TRUE) |
5e27df78 | 480 | { |
481 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: wglShareLists failed. Error code: "); | |
482 | aMsg += (int )GetLastError(); | |
9775fa61 | 483 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
5e27df78 | 484 | return; |
485 | } | |
486 | ||
4e1523ef | 487 | myGlContext->Init ((Aspect_Handle )aWindow, (Aspect_Handle )aWindowDC, (Aspect_RenderingContext )aGContext, isCoreProfile); |
5e27df78 | 488 | #else |
b6bf4ec1 | 489 | Window aWindow = (Window )myPlatformWindow->NativeHandle(); |
25b97fac | 490 | Display* aDisp = theDriver->GetDisplayConnection()->GetDisplay(); |
5e27df78 | 491 | GLXContext aGContext = (GLXContext )theGContext; |
b6bf4ec1 | 492 | GLXContext aSlaveCtx = !theShareCtx.IsNull() ? (GLXContext )theShareCtx->myGContext : NULL; |
493 | ||
494 | XWindowAttributes aWinAttribs; | |
495 | XGetWindowAttributes (aDisp, aWindow, &aWinAttribs); | |
496 | XVisualInfo aVisInfo; | |
497 | aVisInfo.visualid = aWinAttribs.visual->visualid; | |
498 | aVisInfo.screen = DefaultScreen (aDisp); | |
499 | int aNbItems; | |
2f690078 | 500 | std::unique_ptr<XVisualInfo, int(*)(void*)> aVis (XGetVisualInfo (aDisp, VisualIDMask | VisualScreenMask, &aVisInfo, &aNbItems), &XFree); |
b6bf4ec1 | 501 | int isGl = 0; |
2f690078 | 502 | if (aVis.get() == NULL) |
2166f0fa | 503 | { |
9775fa61 | 504 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window::CreateWindow: XGetVisualInfo is unable to choose needed configuration in existing OpenGL context. "); |
b6bf4ec1 | 505 | return; |
2166f0fa | 506 | } |
2f690078 | 507 | else if (glXGetConfig (aDisp, aVis.get(), GLX_USE_GL, &isGl) != 0 || !isGl) |
2166f0fa | 508 | { |
9775fa61 | 509 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window::CreateWindow: window Visual does not support GL rendering!"); |
b6bf4ec1 | 510 | return; |
511 | } | |
3d8969b1 | 512 | |
b6bf4ec1 | 513 | // create new context |
514 | GLXFBConfig anFBConfig = myPlatformWindow->NativeFBConfig(); | |
515 | const char* aGlxExts = glXQueryExtensionsString (aDisp, aVisInfo.screen); | |
516 | if (myOwnGContext | |
517 | && anFBConfig != NULL | |
518 | && OpenGl_Context::CheckExtension (aGlxExts, "GLX_ARB_create_context_profile")) | |
519 | { | |
520 | // Replace default XError handler to ignore errors. | |
521 | // Warning - this is global for all threads! | |
522 | typedef int (*xerrorhandler_t)(Display* , XErrorEvent* ); | |
523 | xerrorhandler_t anOldHandler = XSetErrorHandler(xErrorDummyHandler); | |
524 | ||
525 | typedef GLXContext (*glXCreateContextAttribsARB_t)(Display* dpy, GLXFBConfig config, | |
526 | GLXContext share_context, Bool direct, | |
527 | const int* attrib_list); | |
528 | glXCreateContextAttribsARB_t aCreateCtxProc = (glXCreateContextAttribsARB_t )glXGetProcAddress((const GLubyte* )"glXCreateContextAttribsARB"); | |
529 | if (!theCaps->contextCompatible) | |
95db72f1 | 530 | { |
b6bf4ec1 | 531 | int aCoreCtxAttribs[] = |
95db72f1 | 532 | { |
b6bf4ec1 | 533 | GLX_CONTEXT_MAJOR_VERSION_ARB, 3, |
534 | GLX_CONTEXT_MINOR_VERSION_ARB, 2, | |
535 | GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, | |
536 | GLX_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? GLX_CONTEXT_DEBUG_BIT_ARB : 0, | |
537 | 0, 0 | |
538 | }; | |
539 | ||
540 | // try to create the core profile of highest OpenGL version supported by OCCT | |
541 | for (int aLowVer4 = 5; aLowVer4 >= 0 && aGContext == NULL; --aLowVer4) | |
2166f0fa | 542 | { |
b6bf4ec1 | 543 | aCoreCtxAttribs[1] = 4; |
544 | aCoreCtxAttribs[3] = aLowVer4; | |
545 | aGContext = aCreateCtxProc (aDisp, anFBConfig, aSlaveCtx, True, aCoreCtxAttribs); | |
2166f0fa | 546 | } |
b6bf4ec1 | 547 | for (int aLowVer3 = 3; aLowVer3 >= 2 && aGContext == NULL; --aLowVer3) |
95db72f1 | 548 | { |
b6bf4ec1 | 549 | aCoreCtxAttribs[1] = 3; |
550 | aCoreCtxAttribs[3] = aLowVer3; | |
551 | aGContext = aCreateCtxProc (aDisp, anFBConfig, aSlaveCtx, True, aCoreCtxAttribs); | |
95db72f1 | 552 | } |
b6bf4ec1 | 553 | isCoreProfile = aGContext != NULL; |
2166f0fa | 554 | } |
2166f0fa | 555 | |
b6bf4ec1 | 556 | if (aGContext == NULL) |
2166f0fa | 557 | { |
b6bf4ec1 | 558 | int aCtxAttribs[] = |
b5ac8292 | 559 | { |
b6bf4ec1 | 560 | GLX_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? GLX_CONTEXT_DEBUG_BIT_ARB : 0, |
561 | 0, 0 | |
562 | }; | |
563 | isCoreProfile = Standard_False; | |
564 | aGContext = aCreateCtxProc (aDisp, anFBConfig, aSlaveCtx, True, aCtxAttribs); | |
b5ac8292 | 565 | |
b6bf4ec1 | 566 | if (aGContext != NULL |
567 | && !theCaps->contextCompatible) | |
95db72f1 | 568 | { |
b6bf4ec1 | 569 | TCollection_ExtendedString aMsg("OpenGl_Window::CreateWindow: core profile creation failed."); |
3b523c4c | 570 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_LOW, aMsg); |
95db72f1 | 571 | } |
2166f0fa | 572 | } |
b6bf4ec1 | 573 | XSetErrorHandler(anOldHandler); |
574 | } | |
2166f0fa | 575 | |
b6bf4ec1 | 576 | if (myOwnGContext |
577 | && aGContext == NULL) | |
578 | { | |
2f690078 | 579 | aGContext = glXCreateContext (aDisp, aVis.get(), aSlaveCtx, GL_TRUE); |
b6bf4ec1 | 580 | if (aGContext == NULL) |
2166f0fa | 581 | { |
9775fa61 | 582 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window::CreateWindow: glXCreateContext failed."); |
2166f0fa SK |
583 | return; |
584 | } | |
b6bf4ec1 | 585 | } |
2166f0fa | 586 | |
b6bf4ec1 | 587 | // check Visual for OpenGl context's parameters compatibility |
588 | TCollection_ExtendedString aList; | |
589 | int isDoubleBuffer = 0, isRGBA = 0, isStereo = 0; | |
590 | int aDepthSize = 0, aStencilSize = 0; | |
2f690078 | 591 | glXGetConfig (aDisp, aVis.get(), GLX_RGBA, &isRGBA); |
592 | glXGetConfig (aDisp, aVis.get(), GLX_DOUBLEBUFFER, &isDoubleBuffer); | |
593 | glXGetConfig (aDisp, aVis.get(), GLX_STEREO, &isStereo); | |
594 | glXGetConfig (aDisp, aVis.get(), GLX_DEPTH_SIZE, &aDepthSize); | |
595 | glXGetConfig (aDisp, aVis.get(), GLX_STENCIL_SIZE, &aStencilSize); | |
b6bf4ec1 | 596 | if (aDepthSize < 1) addMsgToList (aList, "no depth buffer"); |
597 | if (aStencilSize < 1) addMsgToList (aList, "no stencil buffer"); | |
598 | if (isRGBA == 0) addMsgToList (aList, "no RGBA color buffer"); | |
599 | if (isDoubleBuffer == 0) addMsgToList (aList, "no Double Buffer"); | |
600 | if (theCaps->contextStereo && isStereo == 0) | |
601 | { | |
602 | addMsgToList (aList, "no Quad Buffer"); | |
603 | } | |
604 | else if (!theCaps->contextStereo && isStereo == 1) | |
605 | { | |
606 | addMsgToList (aList, "extra Quad Buffer"); | |
607 | } | |
608 | if (!aList.IsEmpty()) | |
609 | { | |
610 | TCollection_ExtendedString aMsg = TCollection_ExtendedString ("OpenGl_Window::CreateWindow: window Visual is incomplete: ") + aList; | |
3b523c4c | 611 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, |
612 | GL_DEBUG_TYPE_OTHER, | |
613 | 0, GL_DEBUG_SEVERITY_MEDIUM, aMsg); | |
2166f0fa SK |
614 | } |
615 | ||
4e1523ef | 616 | myGlContext->Init ((Aspect_Drawable )aWindow, (Aspect_Display )aDisp, (Aspect_RenderingContext )aGContext, isCoreProfile); |
2166f0fa | 617 | #endif |
5e27df78 | 618 | myGlContext->Share (theShareCtx); |
f978241f | 619 | myGlContext->SetSwapInterval (mySwapInterval); |
2166f0fa | 620 | Init(); |
2166f0fa SK |
621 | } |
622 | ||
623 | // ======================================================================= | |
624 | // function : ~OpenGl_Window | |
625 | // purpose : | |
626 | // ======================================================================= | |
627 | OpenGl_Window::~OpenGl_Window() | |
628 | { | |
25b97fac | 629 | if (!myOwnGContext |
630 | || myGlContext.IsNull()) | |
fd4a6963 | 631 | { |
632 | myGlContext.Nullify(); | |
633 | return; | |
634 | } | |
635 | ||
636 | // release "GL" context if it is owned by window | |
544da5a4 | 637 | // Mesa implementation can fail to destroy GL context if it set for current thread. |
638 | // It should be safer to unset thread GL context before its destruction. | |
1ce0716b | 639 | #if defined(HAVE_EGL) |
25b97fac | 640 | if ((EGLSurface )myGlContext->myWindow != EGL_NO_SURFACE) |
641 | { | |
642 | eglDestroySurface ((EGLDisplay )myGlContext->myDisplay, | |
643 | (EGLSurface )myGlContext->myWindow); | |
644 | } | |
645 | #elif defined(_WIN32) | |
fd4a6963 | 646 | HWND aWindow = (HWND )myGlContext->myWindow; |
647 | HDC aWindowDC = (HDC )myGlContext->myWindowDC; | |
648 | HGLRC aWindowGContext = (HGLRC )myGlContext->myGContext; | |
544da5a4 | 649 | HGLRC aThreadGContext = wglGetCurrentContext(); |
5e27df78 | 650 | myGlContext.Nullify(); |
2166f0fa | 651 | |
544da5a4 | 652 | if (aThreadGContext != NULL) |
2166f0fa | 653 | { |
544da5a4 | 654 | if (aThreadGContext == aWindowGContext) |
2166f0fa | 655 | { |
fd4a6963 | 656 | wglMakeCurrent (NULL, NULL); |
2166f0fa | 657 | } |
fd4a6963 | 658 | |
659 | wglDeleteContext (aWindowGContext); | |
2166f0fa | 660 | } |
fd4a6963 | 661 | ReleaseDC (aWindow, aWindowDC); |
5e27df78 | 662 | #else |
544da5a4 | 663 | Display* aDisplay = (Display* )myGlContext->myDisplay; |
664 | GLXContext aWindowGContext = (GLXContext )myGlContext->myGContext; | |
665 | GLXContext aThreadGContext = glXGetCurrentContext(); | |
5e27df78 | 666 | myGlContext.Nullify(); |
667 | ||
fd4a6963 | 668 | if (aDisplay != NULL) |
2166f0fa | 669 | { |
544da5a4 | 670 | if (aThreadGContext == aWindowGContext) |
671 | { | |
672 | glXMakeCurrent (aDisplay, None, NULL); | |
673 | } | |
674 | ||
5e27df78 | 675 | // FSXXX sync necessary if non-direct rendering |
676 | glXWaitGL(); | |
544da5a4 | 677 | glXDestroyContext (aDisplay, aWindowGContext); |
2166f0fa SK |
678 | } |
679 | #endif | |
680 | } | |
681 | ||
4fe56619 | 682 | #endif // !__APPLE__ |
683 | ||
2166f0fa SK |
684 | // ======================================================================= |
685 | // function : Activate | |
686 | // purpose : | |
687 | // ======================================================================= | |
688 | Standard_Boolean OpenGl_Window::Activate() | |
689 | { | |
86fa64d9 | 690 | return myGlContext->MakeCurrent(); |
2166f0fa SK |
691 | } |
692 | ||
4fe56619 | 693 | #if !defined(__APPLE__) || defined(MACOSX_USE_GLX) |
694 | ||
2166f0fa SK |
695 | // ======================================================================= |
696 | // function : Resize | |
697 | // purpose : call_subr_resize | |
698 | // ======================================================================= | |
c357e426 | 699 | void OpenGl_Window::Resize() |
2166f0fa | 700 | { |
1ce0716b | 701 | #if !defined(_WIN32) && !defined(HAVE_EGL) |
73192b37 | 702 | Display* aDisp = (Display* )myGlContext->myDisplay; |
2166f0fa SK |
703 | if (aDisp == NULL) |
704 | return; | |
73192b37 | 705 | #endif |
2166f0fa | 706 | |
c357e426 | 707 | Standard_Integer aWidth = 0; |
708 | Standard_Integer aHeight = 0; | |
709 | myPlatformWindow->Size (aWidth, aHeight); | |
710 | ||
2166f0fa | 711 | // If the size is not changed - do nothing |
c357e426 | 712 | if ((myWidth == aWidth) && (myHeight == aHeight)) |
2166f0fa SK |
713 | return; |
714 | ||
c357e426 | 715 | myWidth = aWidth; |
716 | myHeight = aHeight; | |
2166f0fa | 717 | |
1ce0716b | 718 | #if !defined(_WIN32) && !defined(HAVE_EGL) |
5e27df78 | 719 | XResizeWindow (aDisp, myGlContext->myWindow, (unsigned int )myWidth, (unsigned int )myHeight); |
2166f0fa SK |
720 | XSync (aDisp, False); |
721 | #endif | |
722 | ||
723 | Init(); | |
724 | } | |
725 | ||
2166f0fa SK |
726 | // ======================================================================= |
727 | // function : Init | |
728 | // purpose : | |
729 | // ======================================================================= | |
730 | void OpenGl_Window::Init() | |
731 | { | |
732 | if (!Activate()) | |
733 | return; | |
734 | ||
1ce0716b | 735 | #if defined(HAVE_EGL) |
39235bed | 736 | if ((EGLSurface )myGlContext->myWindow == EGL_NO_SURFACE) |
737 | { | |
738 | // define an offscreen default FBO to avoid rendering into EGL_NO_SURFACE; | |
739 | // note that this code is currently never called, since eglCreatePbufferSurface() is used instead as more robust solution | |
740 | // for offscreen rendering on bugged OpenGL ES drivers | |
741 | Handle(OpenGl_FrameBuffer) aDefFbo = myGlContext->SetDefaultFrameBuffer (Handle(OpenGl_FrameBuffer)()); | |
742 | if (!aDefFbo.IsNull()) | |
743 | { | |
744 | aDefFbo->Release (myGlContext.operator->()); | |
745 | } | |
746 | else | |
747 | { | |
748 | aDefFbo = new OpenGl_FrameBuffer(); | |
749 | } | |
750 | ||
751 | if (!aDefFbo->InitWithRB (myGlContext, myWidth, myHeight, GL_RGBA8, GL_DEPTH24_STENCIL8)) | |
752 | { | |
753 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: default FBO creation failed"); | |
754 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); | |
755 | } | |
756 | myGlContext->SetDefaultFrameBuffer (aDefFbo); | |
757 | aDefFbo->BindBuffer (myGlContext); | |
758 | } | |
759 | else if (!myPlatformWindow->IsVirtual()) | |
6cde53c4 | 760 | { |
761 | eglQuerySurface ((EGLDisplay )myGlContext->myDisplay, (EGLSurface )myGlContext->myWindow, EGL_WIDTH, &myWidth); | |
762 | eglQuerySurface ((EGLDisplay )myGlContext->myDisplay, (EGLSurface )myGlContext->myWindow, EGL_HEIGHT, &myHeight); | |
763 | } | |
25b97fac | 764 | #elif defined(_WIN32) |
62e1beed | 765 | // |
2166f0fa SK |
766 | #else |
767 | Window aRootWin; | |
768 | int aDummy; | |
769 | unsigned int aDummyU; | |
770 | unsigned int aNewWidth = 0; | |
771 | unsigned int aNewHeight = 0; | |
73192b37 | 772 | Display* aDisp = (Display* )myGlContext->myDisplay; |
5e27df78 | 773 | XGetGeometry (aDisp, myGlContext->myWindow, &aRootWin, &aDummy, &aDummy, &aNewWidth, &aNewHeight, &aDummyU, &aDummyU); |
2166f0fa SK |
774 | myWidth = aNewWidth; |
775 | myHeight = aNewHeight; | |
776 | #endif | |
777 | ||
5bd9ed93 | 778 | glDisable (GL_DITHER); |
ca3c13d1 | 779 | glDisable (GL_SCISSOR_TEST); |
3bffef55 | 780 | const Standard_Integer aViewport[4] = { 0, 0, myWidth, myHeight }; |
781 | myGlContext->ResizeViewport (aViewport); | |
ca3c13d1 | 782 | #if !defined(GL_ES_VERSION_2_0) |
3bffef55 | 783 | myGlContext->SetDrawBuffer (GL_BACK); |
4e1523ef | 784 | if (myGlContext->core11 != NULL) |
785 | { | |
786 | glMatrixMode (GL_MODELVIEW); | |
787 | } | |
ca3c13d1 | 788 | #endif |
2166f0fa SK |
789 | } |
790 | ||
2166f0fa | 791 | // ======================================================================= |
c357e426 | 792 | // function : SetSwapInterval |
2166f0fa SK |
793 | // purpose : |
794 | // ======================================================================= | |
c357e426 | 795 | void OpenGl_Window::SetSwapInterval() |
2166f0fa | 796 | { |
c357e426 | 797 | if (mySwapInterval != myGlContext->caps->swapInterval) |
b5ac8292 | 798 | { |
c357e426 | 799 | mySwapInterval = myGlContext->caps->swapInterval; |
800 | myGlContext->SetSwapInterval (mySwapInterval); | |
b5ac8292 | 801 | } |
2166f0fa | 802 | } |
c357e426 | 803 | |
804 | #endif // !__APPLE__ |