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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 | ||
f4a7308f | 31 | #include <Standard_WarningDisableFunctionCast.hxx> |
32 | ||
25e59720 | 33 | IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Window,Standard_Transient) |
92efcf78 | 34 | |
1ce0716b | 35 | #if defined(HAVE_EGL) |
25b97fac | 36 | #include <EGL/egl.h> |
37 | #endif | |
38 | ||
2166f0fa | 39 | |
4fe56619 | 40 | #if !defined(__APPLE__) || defined(MACOSX_USE_GLX) |
41 | ||
2166f0fa SK |
42 | namespace |
43 | { | |
2166f0fa | 44 | |
1ce0716b | 45 | #if defined(HAVE_EGL) |
25b97fac | 46 | // |
47 | #elif defined(_WIN32) | |
58655684 | 48 | |
abe46077 | 49 | // WGL_ARB_pixel_format |
50 | #ifndef WGL_NUMBER_PIXEL_FORMATS_ARB | |
51 | #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000 | |
52 | #define WGL_DRAW_TO_WINDOW_ARB 0x2001 | |
53 | #define WGL_DRAW_TO_BITMAP_ARB 0x2002 | |
54 | #define WGL_ACCELERATION_ARB 0x2003 | |
55 | #define WGL_NEED_PALETTE_ARB 0x2004 | |
56 | #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005 | |
57 | #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006 | |
58 | #define WGL_SWAP_METHOD_ARB 0x2007 | |
59 | #define WGL_NUMBER_OVERLAYS_ARB 0x2008 | |
60 | #define WGL_NUMBER_UNDERLAYS_ARB 0x2009 | |
61 | #define WGL_TRANSPARENT_ARB 0x200A | |
62 | #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037 | |
63 | #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038 | |
64 | #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039 | |
65 | #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A | |
66 | #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B | |
67 | #define WGL_SHARE_DEPTH_ARB 0x200C | |
68 | #define WGL_SHARE_STENCIL_ARB 0x200D | |
69 | #define WGL_SHARE_ACCUM_ARB 0x200E | |
70 | #define WGL_SUPPORT_GDI_ARB 0x200F | |
71 | #define WGL_SUPPORT_OPENGL_ARB 0x2010 | |
72 | #define WGL_DOUBLE_BUFFER_ARB 0x2011 | |
73 | #define WGL_STEREO_ARB 0x2012 | |
74 | #define WGL_PIXEL_TYPE_ARB 0x2013 | |
75 | #define WGL_COLOR_BITS_ARB 0x2014 | |
76 | #define WGL_RED_BITS_ARB 0x2015 | |
77 | #define WGL_RED_SHIFT_ARB 0x2016 | |
78 | #define WGL_GREEN_BITS_ARB 0x2017 | |
79 | #define WGL_GREEN_SHIFT_ARB 0x2018 | |
80 | #define WGL_BLUE_BITS_ARB 0x2019 | |
81 | #define WGL_BLUE_SHIFT_ARB 0x201A | |
82 | #define WGL_ALPHA_BITS_ARB 0x201B | |
83 | #define WGL_ALPHA_SHIFT_ARB 0x201C | |
84 | #define WGL_ACCUM_BITS_ARB 0x201D | |
85 | #define WGL_ACCUM_RED_BITS_ARB 0x201E | |
86 | #define WGL_ACCUM_GREEN_BITS_ARB 0x201F | |
87 | #define WGL_ACCUM_BLUE_BITS_ARB 0x2020 | |
88 | #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021 | |
89 | #define WGL_DEPTH_BITS_ARB 0x2022 | |
90 | #define WGL_STENCIL_BITS_ARB 0x2023 | |
91 | #define WGL_AUX_BUFFERS_ARB 0x2024 | |
92 | ||
93 | #define WGL_NO_ACCELERATION_ARB 0x2025 | |
94 | #define WGL_GENERIC_ACCELERATION_ARB 0x2026 | |
95 | #define WGL_FULL_ACCELERATION_ARB 0x2027 | |
96 | ||
97 | #define WGL_SWAP_EXCHANGE_ARB 0x2028 | |
98 | #define WGL_SWAP_COPY_ARB 0x2029 | |
99 | #define WGL_SWAP_UNDEFINED_ARB 0x202A | |
100 | ||
101 | #define WGL_TYPE_RGBA_ARB 0x202B | |
102 | #define WGL_TYPE_COLORINDEX_ARB 0x202C | |
103 | #endif // WGL_NUMBER_PIXEL_FORMATS_ARB | |
104 | ||
58655684 | 105 | // WGL_ARB_create_context_profile |
106 | #ifndef WGL_CONTEXT_MAJOR_VERSION_ARB | |
107 | #define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091 | |
108 | #define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092 | |
109 | #define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093 | |
110 | #define WGL_CONTEXT_FLAGS_ARB 0x2094 | |
111 | #define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126 | |
112 | ||
113 | // WGL_CONTEXT_FLAGS bits | |
114 | #define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001 | |
115 | #define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 | |
116 | ||
117 | // WGL_CONTEXT_PROFILE_MASK_ARB bits | |
118 | #define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 | |
119 | #define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 | |
120 | #endif // WGL_CONTEXT_MAJOR_VERSION_ARB | |
121 | ||
122 | static LRESULT CALLBACK wndProcDummy (HWND theWin, UINT theMsg, WPARAM theParamW, LPARAM theParamL) | |
123 | { | |
124 | return DefWindowProcW (theWin, theMsg, theParamW, theParamL); | |
125 | } | |
2166f0fa | 126 | #else |
b6bf4ec1 | 127 | |
128 | // GLX_ARB_create_context | |
129 | #ifndef GLX_CONTEXT_MAJOR_VERSION_ARB | |
130 | #define GLX_CONTEXT_DEBUG_BIT_ARB 0x00000001 | |
131 | #define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x00000002 | |
132 | #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 | |
133 | #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 | |
134 | #define GLX_CONTEXT_FLAGS_ARB 0x2094 | |
135 | ||
136 | // GLX_ARB_create_context_profile | |
137 | #define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 | |
138 | #define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 | |
139 | #define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126 | |
140 | #endif | |
141 | ||
142 | //! Dummy XError handler which just skips errors | |
143 | static int xErrorDummyHandler (Display* /*theDisplay*/, | |
144 | XErrorEvent* /*theErrorEvent*/) | |
145 | { | |
146 | return 0; | |
147 | } | |
148 | ||
149 | //! Auxiliary method to format list. | |
150 | static void addMsgToList (TCollection_ExtendedString& theList, | |
151 | const TCollection_ExtendedString& theMsg) | |
2166f0fa | 152 | { |
b6bf4ec1 | 153 | if (!theList.IsEmpty()) |
154 | { | |
155 | theList += ", "; | |
156 | } | |
157 | theList += theMsg; | |
2166f0fa SK |
158 | } |
159 | #endif | |
160 | ||
5640d653 | 161 | } |
2166f0fa SK |
162 | |
163 | // ======================================================================= | |
164 | // function : OpenGl_Window | |
165 | // purpose : | |
166 | // ======================================================================= | |
25b97fac | 167 | OpenGl_Window::OpenGl_Window (const Handle(OpenGl_GraphicDriver)& theDriver, |
c357e426 | 168 | const Handle(Aspect_Window)& thePlatformWindow, |
5e27df78 | 169 | Aspect_RenderingContext theGContext, |
58655684 | 170 | const Handle(OpenGl_Caps)& theCaps, |
5e27df78 | 171 | const Handle(OpenGl_Context)& theShareCtx) |
73192b37 | 172 | : myGlContext (new OpenGl_Context (theCaps)), |
2166f0fa | 173 | myOwnGContext (theGContext == 0), |
c357e426 | 174 | myPlatformWindow (thePlatformWindow), |
f978241f | 175 | mySwapInterval (theCaps->swapInterval) |
2166f0fa | 176 | { |
c357e426 | 177 | myPlatformWindow->Size (myWidth, myHeight); |
2166f0fa | 178 | |
4e1523ef | 179 | Standard_Boolean isCoreProfile = Standard_False; |
180 | ||
1ce0716b | 181 | #if defined(HAVE_EGL) |
25b97fac | 182 | EGLDisplay anEglDisplay = (EGLDisplay )theDriver->getRawGlDisplay(); |
183 | EGLContext anEglContext = (EGLContext )theDriver->getRawGlContext(); | |
184 | EGLConfig anEglConfig = (EGLConfig )theDriver->getRawGlConfig(); | |
185 | if (anEglDisplay == EGL_NO_DISPLAY | |
186 | || anEglContext == EGL_NO_CONTEXT | |
39235bed | 187 | || (anEglConfig == NULL |
188 | && (EGLContext )theGContext == EGL_NO_CONTEXT)) | |
25b97fac | 189 | { |
9775fa61 | 190 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL does not provide compatible configurations!"); |
25b97fac | 191 | return; |
192 | } | |
193 | ||
194 | EGLSurface anEglSurf = EGL_NO_SURFACE; | |
39235bed | 195 | if ((EGLContext )theGContext == EGL_NO_CONTEXT) |
25b97fac | 196 | { |
ba00aab7 | 197 | // EGL_KHR_gl_colorspace extension specifies if OpenGL should write into window buffer as into sRGB or RGB framebuffer |
198 | //const int aSurfAttribs[] = | |
199 | //{ | |
200 | // EGL_GL_COLORSPACE_KHR, !theCaps->sRGBDisable ? EGL_GL_COLORSPACE_SRGB_KHR : EGL_GL_COLORSPACE_LINEAR_KHR, | |
201 | // EGL_NONE, | |
202 | //}; | |
203 | ||
25b97fac | 204 | // create new surface |
c357e426 | 205 | anEglSurf = eglCreateWindowSurface (anEglDisplay, |
206 | anEglConfig, | |
207 | (EGLNativeWindowType )myPlatformWindow->NativeHandle(), | |
208 | NULL); | |
25b97fac | 209 | if (anEglSurf == EGL_NO_SURFACE) |
210 | { | |
9775fa61 | 211 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is unable to create surface for window!"); |
25b97fac | 212 | return; |
213 | } | |
214 | } | |
215 | else if (theGContext != anEglContext) | |
216 | { | |
9775fa61 | 217 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is used in unsupported combination!"); |
25b97fac | 218 | return; |
219 | } | |
220 | else | |
221 | { | |
222 | anEglSurf = eglGetCurrentSurface(EGL_DRAW); | |
223 | if (anEglSurf == EGL_NO_SURFACE) | |
224 | { | |
39235bed | 225 | // window-less EGL context (off-screen) |
226 | //throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is unable to retrieve current surface!"); | |
227 | if (anEglConfig != NULL) | |
228 | { | |
565baee6 | 229 | #if !defined(__EMSCRIPTEN__) // eglCreatePbufferSurface() is not implemented by Emscripten EGL |
39235bed | 230 | const int aSurfAttribs[] = |
231 | { | |
232 | EGL_WIDTH, myWidth, | |
233 | EGL_HEIGHT, myHeight, | |
ba00aab7 | 234 | // EGL_KHR_gl_colorspace extension specifies if OpenGL should write into window buffer as into sRGB or RGB framebuffer |
235 | //EGL_GL_COLORSPACE_KHR, !theCaps->sRGBDisable ? EGL_GL_COLORSPACE_SRGB_KHR : EGL_GL_COLORSPACE_LINEAR_KHR, | |
39235bed | 236 | EGL_NONE |
237 | }; | |
238 | anEglSurf = eglCreatePbufferSurface (anEglDisplay, anEglConfig, aSurfAttribs); | |
239 | if (anEglSurf == EGL_NO_SURFACE) | |
240 | { | |
241 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window, EGL is unable to create off-screen surface!"); | |
242 | } | |
565baee6 | 243 | #endif |
39235bed | 244 | } |
245 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_LOW, | |
246 | "OpenGl_Window::CreateWindow: WARNING, a Window is created without a EGL Surface!"); | |
25b97fac | 247 | } |
248 | } | |
249 | ||
4e1523ef | 250 | myGlContext->Init ((Aspect_Drawable )anEglSurf, (Aspect_Display )anEglDisplay, (Aspect_RenderingContext )anEglContext, isCoreProfile); |
25b97fac | 251 | #elif defined(_WIN32) |
252 | (void )theDriver; | |
c357e426 | 253 | HWND aWindow = (HWND )myPlatformWindow->NativeHandle(); |
5e27df78 | 254 | HDC aWindowDC = GetDC (aWindow); |
255 | HGLRC aGContext = (HGLRC )theGContext; | |
256 | ||
3d8969b1 | 257 | PIXELFORMATDESCRIPTOR aPixelFrmt; |
abe46077 | 258 | memset (&aPixelFrmt, 0, sizeof(aPixelFrmt)); |
259 | aPixelFrmt.nSize = sizeof(PIXELFORMATDESCRIPTOR); | |
260 | aPixelFrmt.nVersion = 1; | |
261 | aPixelFrmt.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; | |
262 | aPixelFrmt.iPixelType = PFD_TYPE_RGBA; | |
263 | aPixelFrmt.cColorBits = 24; | |
264 | aPixelFrmt.cDepthBits = 24; | |
265 | aPixelFrmt.cStencilBits = 8; | |
266 | aPixelFrmt.iLayerType = PFD_MAIN_PLANE; | |
267 | if (theCaps->contextStereo) | |
268 | { | |
269 | aPixelFrmt.dwFlags |= PFD_STEREO; | |
270 | } | |
271 | ||
272 | int aPixelFrmtId = ChoosePixelFormat (aWindowDC, &aPixelFrmt); | |
b5ac8292 | 273 | |
274 | // in case of failure try without stereo if any | |
4e1523ef | 275 | const Standard_Boolean hasStereo = aPixelFrmtId != 0 && theCaps->contextStereo; |
b5ac8292 | 276 | if (aPixelFrmtId == 0 && theCaps->contextStereo) |
277 | { | |
278 | TCollection_ExtendedString aMsg ("OpenGl_Window::CreateWindow: " | |
279 | "ChoosePixelFormat is unable to find stereo supported pixel format. " | |
280 | "Choosing similar non stereo format."); | |
3b523c4c | 281 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, |
282 | GL_DEBUG_TYPE_OTHER, | |
283 | 0, GL_DEBUG_SEVERITY_HIGH, aMsg); | |
b5ac8292 | 284 | |
285 | aPixelFrmt.dwFlags &= ~PFD_STEREO; | |
286 | aPixelFrmtId = ChoosePixelFormat (aWindowDC, &aPixelFrmt); | |
287 | } | |
288 | ||
3d8969b1 | 289 | if (aPixelFrmtId == 0) |
5e27df78 | 290 | { |
291 | ReleaseDC (aWindow, aWindowDC); | |
292 | ||
293 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: ChoosePixelFormat failed. Error code: "); | |
294 | aMsg += (int )GetLastError(); | |
9775fa61 | 295 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
5e27df78 | 296 | return; |
297 | } | |
298 | ||
abe46077 | 299 | DescribePixelFormat (aWindowDC, aPixelFrmtId, sizeof(aPixelFrmt), &aPixelFrmt); |
5e27df78 | 300 | |
58655684 | 301 | HGLRC aSlaveCtx = !theShareCtx.IsNull() ? (HGLRC )theShareCtx->myGContext : NULL; |
5e27df78 | 302 | if (aGContext == NULL) |
303 | { | |
58655684 | 304 | // create temporary context to retrieve advanced context creation procedures |
305 | HMODULE aModule = GetModuleHandleW(NULL); | |
306 | WNDCLASSW aClass; memset (&aClass, 0, sizeof(aClass)); | |
307 | aClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; | |
308 | aClass.lpfnWndProc = wndProcDummy; | |
309 | aClass.hInstance = aModule; | |
310 | aClass.lpszClassName = L"OpenGl_WindowTmp"; | |
311 | HWND aWinTmp = NULL; | |
312 | HDC aDevCtxTmp = NULL; | |
313 | HGLRC aRendCtxTmp = NULL; | |
4e1523ef | 314 | if ((!theCaps->contextDebug && !theCaps->contextNoAccel && theCaps->contextCompatible) |
58655684 | 315 | || RegisterClassW (&aClass) == 0) |
316 | { | |
317 | aClass.lpszClassName = NULL; | |
318 | } | |
319 | if (aClass.lpszClassName != NULL) | |
320 | { | |
229c0b6a | 321 | DWORD anExStyle = WS_EX_TOOLWINDOW | WS_EX_WINDOWEDGE; |
322 | #if (_WIN32_WINNT >= 0x0500) | |
323 | anExStyle |= WS_EX_NOACTIVATE; | |
324 | #endif | |
325 | aWinTmp = CreateWindowExW(anExStyle, | |
58655684 | 326 | aClass.lpszClassName, L"OpenGl_WindowTmp", |
327 | WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_DISABLED, | |
328 | 2, 2, 4, 4, | |
329 | NULL, NULL, aModule, NULL); | |
330 | } | |
331 | if (aWinTmp != NULL) | |
332 | { | |
333 | aDevCtxTmp = GetDC (aWinTmp); | |
334 | SetPixelFormat (aDevCtxTmp, aPixelFrmtId, &aPixelFrmt); | |
335 | aRendCtxTmp = wglCreateContext (aDevCtxTmp); | |
336 | } | |
abe46077 | 337 | |
338 | typedef BOOL (WINAPI *wglChoosePixelFormatARB_t)(HDC theDevCtx, | |
339 | const int* theIntAttribs, | |
340 | const float* theFloatAttribs, | |
341 | unsigned int theMaxFormats, | |
342 | int* theFormatsOut, | |
343 | unsigned int* theNumFormatsOut); | |
344 | typedef HGLRC (WINAPI *wglCreateContextAttribsARB_t)(HDC theDevCtx, | |
345 | HGLRC theShareContext, | |
346 | const int* theAttribs); | |
347 | wglChoosePixelFormatARB_t aChoosePixProc = NULL; | |
348 | wglCreateContextAttribsARB_t aCreateCtxProc = NULL; | |
58655684 | 349 | if (aRendCtxTmp != NULL) |
350 | { | |
351 | wglMakeCurrent (aDevCtxTmp, aRendCtxTmp); | |
352 | ||
353 | typedef const char* (WINAPI *wglGetExtensionsStringARB_t)(HDC theDeviceContext); | |
abe46077 | 354 | wglGetExtensionsStringARB_t aGetExtensions = (wglGetExtensionsStringARB_t )wglGetProcAddress ("wglGetExtensionsStringARB"); |
355 | const char* aWglExts = (aGetExtensions != NULL) ? aGetExtensions (wglGetCurrentDC()) : NULL; | |
356 | if (OpenGl_Context::CheckExtension (aWglExts, "WGL_ARB_pixel_format")) | |
357 | { | |
358 | aChoosePixProc = (wglChoosePixelFormatARB_t )wglGetProcAddress ("wglChoosePixelFormatARB"); | |
359 | } | |
360 | if (OpenGl_Context::CheckExtension (aWglExts, "WGL_ARB_create_context_profile")) | |
361 | { | |
362 | aCreateCtxProc = (wglCreateContextAttribsARB_t )wglGetProcAddress ("wglCreateContextAttribsARB"); | |
363 | } | |
364 | } | |
365 | ||
366 | // choose extended pixel format | |
367 | if (aChoosePixProc != NULL) | |
368 | { | |
369 | const int aPixAttribs[] = | |
370 | { | |
371 | WGL_DRAW_TO_WINDOW_ARB, GL_TRUE, | |
372 | WGL_SUPPORT_OPENGL_ARB, GL_TRUE, | |
373 | WGL_DOUBLE_BUFFER_ARB, GL_TRUE, | |
4e1523ef | 374 | WGL_STEREO_ARB, hasStereo ? GL_TRUE : GL_FALSE, |
abe46077 | 375 | WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB, |
376 | //WGL_SAMPLE_BUFFERS_ARB, 1, | |
377 | //WGL_SAMPLES_ARB, 8, | |
378 | WGL_COLOR_BITS_ARB, 24, | |
379 | WGL_DEPTH_BITS_ARB, 24, | |
380 | WGL_STENCIL_BITS_ARB, 8, | |
ba00aab7 | 381 | // WGL_EXT_colorspace extension specifies if OpenGL should write into window buffer as into sRGB or RGB framebuffer |
382 | //WGL_COLORSPACE_EXT, !theCaps->sRGBDisable ? WGL_COLORSPACE_SRGB_EXT : WGL_COLORSPACE_LINEAR_EXT, | |
383 | // requires WGL_ARB_framebuffer_sRGB or WGL_EXT_framebuffer_sRGB extensions | |
384 | //WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT, !theCaps->sRGBDisable ? GL_TRUE : GL_FALSE, | |
abe46077 | 385 | WGL_ACCELERATION_ARB, theCaps->contextNoAccel ? WGL_NO_ACCELERATION_ARB : WGL_FULL_ACCELERATION_ARB, |
386 | 0, 0, | |
387 | }; | |
388 | unsigned int aFrmtsNb = 0; | |
389 | aChoosePixProc (aWindowDC, aPixAttribs, NULL, 1, &aPixelFrmtId, &aFrmtsNb); | |
390 | } | |
391 | ||
392 | // setup pixel format - may be set only once per window | |
393 | if (!SetPixelFormat (aWindowDC, aPixelFrmtId, &aPixelFrmt)) | |
394 | { | |
395 | ReleaseDC (aWindow, aWindowDC); | |
396 | ||
397 | TCollection_AsciiString aMsg("OpenGl_Window::CreateWindow: SetPixelFormat failed. Error code: "); | |
398 | aMsg += (int )GetLastError(); | |
9775fa61 | 399 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
abe46077 | 400 | return; |
401 | } | |
402 | ||
403 | // create GL context with extra options | |
404 | if (aCreateCtxProc != NULL) | |
405 | { | |
4e1523ef | 406 | if (!theCaps->contextCompatible) |
abe46077 | 407 | { |
4e1523ef | 408 | int aCoreCtxAttribs[] = |
409 | { | |
410 | WGL_CONTEXT_MAJOR_VERSION_ARB, 3, | |
411 | WGL_CONTEXT_MINOR_VERSION_ARB, 2, | |
412 | WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, | |
413 | WGL_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, | |
414 | 0, 0 | |
415 | }; | |
416 | ||
417 | // Try to create the core profile of highest OpenGL version supported by OCCT | |
418 | // (this will be done automatically by some drivers when requesting 3.2, | |
419 | // but some will not (e.g. AMD Catalyst) since WGL_ARB_create_context_profile specification allows both implementations). | |
420 | for (int aLowVer4 = 5; aLowVer4 >= 0 && aGContext == NULL; --aLowVer4) | |
421 | { | |
422 | aCoreCtxAttribs[1] = 4; | |
423 | aCoreCtxAttribs[3] = aLowVer4; | |
424 | aGContext = aCreateCtxProc (aWindowDC, aSlaveCtx, aCoreCtxAttribs); | |
425 | } | |
426 | for (int aLowVer3 = 3; aLowVer3 >= 2 && aGContext == NULL; --aLowVer3) | |
427 | { | |
428 | aCoreCtxAttribs[1] = 3; | |
429 | aCoreCtxAttribs[3] = aLowVer3; | |
430 | aGContext = aCreateCtxProc (aWindowDC, aSlaveCtx, aCoreCtxAttribs); | |
431 | } | |
432 | isCoreProfile = aGContext != NULL; | |
433 | } | |
434 | ||
435 | if (aGContext == NULL) | |
436 | { | |
437 | int aCtxAttribs[] = | |
438 | { | |
439 | // Beware! NVIDIA drivers reject context creation when WGL_CONTEXT_PROFILE_MASK_ARB are specified | |
440 | // but not WGL_CONTEXT_MAJOR_VERSION_ARB/WGL_CONTEXT_MINOR_VERSION_ARB. | |
441 | //WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, | |
442 | WGL_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? WGL_CONTEXT_DEBUG_BIT_ARB : 0, | |
443 | 0, 0 | |
444 | }; | |
445 | isCoreProfile = Standard_False; | |
446 | aGContext = aCreateCtxProc (aWindowDC, aSlaveCtx, aCtxAttribs); | |
447 | ||
448 | if (aGContext != NULL | |
449 | && !theCaps->contextCompatible) | |
450 | { | |
451 | TCollection_ExtendedString aMsg("OpenGl_Window::CreateWindow: core profile creation failed."); | |
3b523c4c | 452 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_LOW, aMsg); |
4e1523ef | 453 | } |
454 | } | |
abe46077 | 455 | |
abe46077 | 456 | if (aGContext != NULL) |
58655684 | 457 | { |
abe46077 | 458 | aSlaveCtx = NULL; |
58655684 | 459 | } |
460 | } | |
461 | ||
462 | if (aRendCtxTmp != NULL) | |
463 | { | |
464 | wglDeleteContext (aRendCtxTmp); | |
465 | } | |
466 | if (aDevCtxTmp != NULL) | |
467 | { | |
468 | ReleaseDC (aWinTmp, aDevCtxTmp); | |
469 | } | |
470 | if (aWinTmp != NULL) | |
471 | { | |
472 | DestroyWindow (aWinTmp); | |
473 | } | |
474 | if (aClass.lpszClassName != NULL) | |
475 | { | |
476 | UnregisterClassW (aClass.lpszClassName, aModule); | |
477 | } | |
478 | ||
479 | if (aGContext == NULL) | |
480 | { | |
abe46077 | 481 | // create context using obsolete functionality |
58655684 | 482 | aGContext = wglCreateContext (aWindowDC); |
483 | } | |
5e27df78 | 484 | if (aGContext == NULL) |
485 | { | |
486 | ReleaseDC (aWindow, aWindowDC); | |
487 | ||
488 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: wglCreateContext failed. Error code: "); | |
489 | aMsg += (int )GetLastError(); | |
9775fa61 | 490 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
5e27df78 | 491 | return; |
492 | } | |
493 | } | |
494 | ||
495 | // all GL context within one OpenGl_GraphicDriver should be shared! | |
58655684 | 496 | if (aSlaveCtx != NULL && wglShareLists (aSlaveCtx, aGContext) != TRUE) |
5e27df78 | 497 | { |
498 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: wglShareLists failed. Error code: "); | |
499 | aMsg += (int )GetLastError(); | |
9775fa61 | 500 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); |
5e27df78 | 501 | return; |
502 | } | |
503 | ||
4e1523ef | 504 | myGlContext->Init ((Aspect_Handle )aWindow, (Aspect_Handle )aWindowDC, (Aspect_RenderingContext )aGContext, isCoreProfile); |
5e27df78 | 505 | #else |
b6bf4ec1 | 506 | Window aWindow = (Window )myPlatformWindow->NativeHandle(); |
25b97fac | 507 | Display* aDisp = theDriver->GetDisplayConnection()->GetDisplay(); |
5e27df78 | 508 | GLXContext aGContext = (GLXContext )theGContext; |
b6bf4ec1 | 509 | GLXContext aSlaveCtx = !theShareCtx.IsNull() ? (GLXContext )theShareCtx->myGContext : NULL; |
510 | ||
511 | XWindowAttributes aWinAttribs; | |
512 | XGetWindowAttributes (aDisp, aWindow, &aWinAttribs); | |
513 | XVisualInfo aVisInfo; | |
514 | aVisInfo.visualid = aWinAttribs.visual->visualid; | |
515 | aVisInfo.screen = DefaultScreen (aDisp); | |
516 | int aNbItems; | |
2f690078 | 517 | std::unique_ptr<XVisualInfo, int(*)(void*)> aVis (XGetVisualInfo (aDisp, VisualIDMask | VisualScreenMask, &aVisInfo, &aNbItems), &XFree); |
b6bf4ec1 | 518 | int isGl = 0; |
2f690078 | 519 | if (aVis.get() == NULL) |
2166f0fa | 520 | { |
9775fa61 | 521 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window::CreateWindow: XGetVisualInfo is unable to choose needed configuration in existing OpenGL context. "); |
b6bf4ec1 | 522 | return; |
2166f0fa | 523 | } |
2f690078 | 524 | else if (glXGetConfig (aDisp, aVis.get(), GLX_USE_GL, &isGl) != 0 || !isGl) |
2166f0fa | 525 | { |
9775fa61 | 526 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window::CreateWindow: window Visual does not support GL rendering!"); |
b6bf4ec1 | 527 | return; |
528 | } | |
3d8969b1 | 529 | |
b6bf4ec1 | 530 | // create new context |
531 | GLXFBConfig anFBConfig = myPlatformWindow->NativeFBConfig(); | |
532 | const char* aGlxExts = glXQueryExtensionsString (aDisp, aVisInfo.screen); | |
533 | if (myOwnGContext | |
534 | && anFBConfig != NULL | |
535 | && OpenGl_Context::CheckExtension (aGlxExts, "GLX_ARB_create_context_profile")) | |
536 | { | |
537 | // Replace default XError handler to ignore errors. | |
538 | // Warning - this is global for all threads! | |
539 | typedef int (*xerrorhandler_t)(Display* , XErrorEvent* ); | |
540 | xerrorhandler_t anOldHandler = XSetErrorHandler(xErrorDummyHandler); | |
541 | ||
542 | typedef GLXContext (*glXCreateContextAttribsARB_t)(Display* dpy, GLXFBConfig config, | |
543 | GLXContext share_context, Bool direct, | |
544 | const int* attrib_list); | |
545 | glXCreateContextAttribsARB_t aCreateCtxProc = (glXCreateContextAttribsARB_t )glXGetProcAddress((const GLubyte* )"glXCreateContextAttribsARB"); | |
546 | if (!theCaps->contextCompatible) | |
95db72f1 | 547 | { |
b6bf4ec1 | 548 | int aCoreCtxAttribs[] = |
95db72f1 | 549 | { |
b6bf4ec1 | 550 | GLX_CONTEXT_MAJOR_VERSION_ARB, 3, |
551 | GLX_CONTEXT_MINOR_VERSION_ARB, 2, | |
552 | GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, | |
553 | GLX_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? GLX_CONTEXT_DEBUG_BIT_ARB : 0, | |
554 | 0, 0 | |
555 | }; | |
556 | ||
557 | // try to create the core profile of highest OpenGL version supported by OCCT | |
558 | for (int aLowVer4 = 5; aLowVer4 >= 0 && aGContext == NULL; --aLowVer4) | |
2166f0fa | 559 | { |
b6bf4ec1 | 560 | aCoreCtxAttribs[1] = 4; |
561 | aCoreCtxAttribs[3] = aLowVer4; | |
562 | aGContext = aCreateCtxProc (aDisp, anFBConfig, aSlaveCtx, True, aCoreCtxAttribs); | |
2166f0fa | 563 | } |
b6bf4ec1 | 564 | for (int aLowVer3 = 3; aLowVer3 >= 2 && aGContext == NULL; --aLowVer3) |
95db72f1 | 565 | { |
b6bf4ec1 | 566 | aCoreCtxAttribs[1] = 3; |
567 | aCoreCtxAttribs[3] = aLowVer3; | |
568 | aGContext = aCreateCtxProc (aDisp, anFBConfig, aSlaveCtx, True, aCoreCtxAttribs); | |
95db72f1 | 569 | } |
b6bf4ec1 | 570 | isCoreProfile = aGContext != NULL; |
2166f0fa | 571 | } |
2166f0fa | 572 | |
b6bf4ec1 | 573 | if (aGContext == NULL) |
2166f0fa | 574 | { |
b6bf4ec1 | 575 | int aCtxAttribs[] = |
b5ac8292 | 576 | { |
b6bf4ec1 | 577 | GLX_CONTEXT_FLAGS_ARB, theCaps->contextDebug ? GLX_CONTEXT_DEBUG_BIT_ARB : 0, |
578 | 0, 0 | |
579 | }; | |
580 | isCoreProfile = Standard_False; | |
581 | aGContext = aCreateCtxProc (aDisp, anFBConfig, aSlaveCtx, True, aCtxAttribs); | |
b5ac8292 | 582 | |
b6bf4ec1 | 583 | if (aGContext != NULL |
584 | && !theCaps->contextCompatible) | |
95db72f1 | 585 | { |
b6bf4ec1 | 586 | TCollection_ExtendedString aMsg("OpenGl_Window::CreateWindow: core profile creation failed."); |
3b523c4c | 587 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_PORTABILITY, 0, GL_DEBUG_SEVERITY_LOW, aMsg); |
95db72f1 | 588 | } |
2166f0fa | 589 | } |
b6bf4ec1 | 590 | XSetErrorHandler(anOldHandler); |
591 | } | |
2166f0fa | 592 | |
b6bf4ec1 | 593 | if (myOwnGContext |
594 | && aGContext == NULL) | |
595 | { | |
2f690078 | 596 | aGContext = glXCreateContext (aDisp, aVis.get(), aSlaveCtx, GL_TRUE); |
b6bf4ec1 | 597 | if (aGContext == NULL) |
2166f0fa | 598 | { |
9775fa61 | 599 | throw Aspect_GraphicDeviceDefinitionError("OpenGl_Window::CreateWindow: glXCreateContext failed."); |
2166f0fa SK |
600 | return; |
601 | } | |
b6bf4ec1 | 602 | } |
2166f0fa | 603 | |
b6bf4ec1 | 604 | // check Visual for OpenGl context's parameters compatibility |
605 | TCollection_ExtendedString aList; | |
606 | int isDoubleBuffer = 0, isRGBA = 0, isStereo = 0; | |
607 | int aDepthSize = 0, aStencilSize = 0; | |
2f690078 | 608 | glXGetConfig (aDisp, aVis.get(), GLX_RGBA, &isRGBA); |
609 | glXGetConfig (aDisp, aVis.get(), GLX_DOUBLEBUFFER, &isDoubleBuffer); | |
610 | glXGetConfig (aDisp, aVis.get(), GLX_STEREO, &isStereo); | |
611 | glXGetConfig (aDisp, aVis.get(), GLX_DEPTH_SIZE, &aDepthSize); | |
612 | glXGetConfig (aDisp, aVis.get(), GLX_STENCIL_SIZE, &aStencilSize); | |
b6bf4ec1 | 613 | if (aDepthSize < 1) addMsgToList (aList, "no depth buffer"); |
614 | if (aStencilSize < 1) addMsgToList (aList, "no stencil buffer"); | |
615 | if (isRGBA == 0) addMsgToList (aList, "no RGBA color buffer"); | |
616 | if (isDoubleBuffer == 0) addMsgToList (aList, "no Double Buffer"); | |
617 | if (theCaps->contextStereo && isStereo == 0) | |
618 | { | |
619 | addMsgToList (aList, "no Quad Buffer"); | |
620 | } | |
621 | else if (!theCaps->contextStereo && isStereo == 1) | |
622 | { | |
623 | addMsgToList (aList, "extra Quad Buffer"); | |
624 | } | |
625 | if (!aList.IsEmpty()) | |
626 | { | |
627 | TCollection_ExtendedString aMsg = TCollection_ExtendedString ("OpenGl_Window::CreateWindow: window Visual is incomplete: ") + aList; | |
3b523c4c | 628 | myGlContext->PushMessage (GL_DEBUG_SOURCE_APPLICATION, |
629 | GL_DEBUG_TYPE_OTHER, | |
630 | 0, GL_DEBUG_SEVERITY_MEDIUM, aMsg); | |
2166f0fa SK |
631 | } |
632 | ||
4e1523ef | 633 | myGlContext->Init ((Aspect_Drawable )aWindow, (Aspect_Display )aDisp, (Aspect_RenderingContext )aGContext, isCoreProfile); |
2166f0fa | 634 | #endif |
5e27df78 | 635 | myGlContext->Share (theShareCtx); |
f978241f | 636 | myGlContext->SetSwapInterval (mySwapInterval); |
2166f0fa | 637 | Init(); |
2166f0fa SK |
638 | } |
639 | ||
640 | // ======================================================================= | |
641 | // function : ~OpenGl_Window | |
642 | // purpose : | |
643 | // ======================================================================= | |
644 | OpenGl_Window::~OpenGl_Window() | |
645 | { | |
25b97fac | 646 | if (!myOwnGContext |
647 | || myGlContext.IsNull()) | |
fd4a6963 | 648 | { |
649 | myGlContext.Nullify(); | |
650 | return; | |
651 | } | |
652 | ||
653 | // release "GL" context if it is owned by window | |
544da5a4 | 654 | // Mesa implementation can fail to destroy GL context if it set for current thread. |
655 | // It should be safer to unset thread GL context before its destruction. | |
1ce0716b | 656 | #if defined(HAVE_EGL) |
25b97fac | 657 | if ((EGLSurface )myGlContext->myWindow != EGL_NO_SURFACE) |
658 | { | |
659 | eglDestroySurface ((EGLDisplay )myGlContext->myDisplay, | |
660 | (EGLSurface )myGlContext->myWindow); | |
661 | } | |
662 | #elif defined(_WIN32) | |
fd4a6963 | 663 | HWND aWindow = (HWND )myGlContext->myWindow; |
664 | HDC aWindowDC = (HDC )myGlContext->myWindowDC; | |
665 | HGLRC aWindowGContext = (HGLRC )myGlContext->myGContext; | |
544da5a4 | 666 | HGLRC aThreadGContext = wglGetCurrentContext(); |
5e27df78 | 667 | myGlContext.Nullify(); |
2166f0fa | 668 | |
544da5a4 | 669 | if (aThreadGContext != NULL) |
2166f0fa | 670 | { |
544da5a4 | 671 | if (aThreadGContext == aWindowGContext) |
2166f0fa | 672 | { |
fd4a6963 | 673 | wglMakeCurrent (NULL, NULL); |
2166f0fa | 674 | } |
fd4a6963 | 675 | |
676 | wglDeleteContext (aWindowGContext); | |
2166f0fa | 677 | } |
fd4a6963 | 678 | ReleaseDC (aWindow, aWindowDC); |
5e27df78 | 679 | #else |
544da5a4 | 680 | Display* aDisplay = (Display* )myGlContext->myDisplay; |
681 | GLXContext aWindowGContext = (GLXContext )myGlContext->myGContext; | |
682 | GLXContext aThreadGContext = glXGetCurrentContext(); | |
5e27df78 | 683 | myGlContext.Nullify(); |
684 | ||
fd4a6963 | 685 | if (aDisplay != NULL) |
2166f0fa | 686 | { |
544da5a4 | 687 | if (aThreadGContext == aWindowGContext) |
688 | { | |
689 | glXMakeCurrent (aDisplay, None, NULL); | |
690 | } | |
691 | ||
5e27df78 | 692 | // FSXXX sync necessary if non-direct rendering |
693 | glXWaitGL(); | |
544da5a4 | 694 | glXDestroyContext (aDisplay, aWindowGContext); |
2166f0fa SK |
695 | } |
696 | #endif | |
697 | } | |
698 | ||
4fe56619 | 699 | #endif // !__APPLE__ |
700 | ||
2166f0fa SK |
701 | // ======================================================================= |
702 | // function : Activate | |
703 | // purpose : | |
704 | // ======================================================================= | |
705 | Standard_Boolean OpenGl_Window::Activate() | |
706 | { | |
86fa64d9 | 707 | return myGlContext->MakeCurrent(); |
2166f0fa SK |
708 | } |
709 | ||
4fe56619 | 710 | #if !defined(__APPLE__) || defined(MACOSX_USE_GLX) |
711 | ||
2166f0fa SK |
712 | // ======================================================================= |
713 | // function : Resize | |
714 | // purpose : call_subr_resize | |
715 | // ======================================================================= | |
c357e426 | 716 | void OpenGl_Window::Resize() |
2166f0fa | 717 | { |
1ce0716b | 718 | #if !defined(_WIN32) && !defined(HAVE_EGL) |
73192b37 | 719 | Display* aDisp = (Display* )myGlContext->myDisplay; |
2166f0fa SK |
720 | if (aDisp == NULL) |
721 | return; | |
73192b37 | 722 | #endif |
2166f0fa | 723 | |
c357e426 | 724 | Standard_Integer aWidth = 0; |
725 | Standard_Integer aHeight = 0; | |
726 | myPlatformWindow->Size (aWidth, aHeight); | |
727 | ||
2166f0fa | 728 | // If the size is not changed - do nothing |
c357e426 | 729 | if ((myWidth == aWidth) && (myHeight == aHeight)) |
2166f0fa SK |
730 | return; |
731 | ||
c357e426 | 732 | myWidth = aWidth; |
733 | myHeight = aHeight; | |
2166f0fa | 734 | |
1ce0716b | 735 | #if !defined(_WIN32) && !defined(HAVE_EGL) |
5e27df78 | 736 | XResizeWindow (aDisp, myGlContext->myWindow, (unsigned int )myWidth, (unsigned int )myHeight); |
2166f0fa SK |
737 | XSync (aDisp, False); |
738 | #endif | |
739 | ||
740 | Init(); | |
741 | } | |
742 | ||
2166f0fa SK |
743 | // ======================================================================= |
744 | // function : Init | |
745 | // purpose : | |
746 | // ======================================================================= | |
747 | void OpenGl_Window::Init() | |
748 | { | |
749 | if (!Activate()) | |
750 | return; | |
751 | ||
1ce0716b | 752 | #if defined(HAVE_EGL) |
39235bed | 753 | if ((EGLSurface )myGlContext->myWindow == EGL_NO_SURFACE) |
754 | { | |
755 | // define an offscreen default FBO to avoid rendering into EGL_NO_SURFACE; | |
756 | // note that this code is currently never called, since eglCreatePbufferSurface() is used instead as more robust solution | |
757 | // for offscreen rendering on bugged OpenGL ES drivers | |
758 | Handle(OpenGl_FrameBuffer) aDefFbo = myGlContext->SetDefaultFrameBuffer (Handle(OpenGl_FrameBuffer)()); | |
759 | if (!aDefFbo.IsNull()) | |
760 | { | |
761 | aDefFbo->Release (myGlContext.operator->()); | |
762 | } | |
763 | else | |
764 | { | |
765 | aDefFbo = new OpenGl_FrameBuffer(); | |
766 | } | |
767 | ||
768 | if (!aDefFbo->InitWithRB (myGlContext, myWidth, myHeight, GL_RGBA8, GL_DEPTH24_STENCIL8)) | |
769 | { | |
770 | TCollection_AsciiString aMsg ("OpenGl_Window::CreateWindow: default FBO creation failed"); | |
771 | throw Aspect_GraphicDeviceDefinitionError(aMsg.ToCString()); | |
772 | } | |
773 | myGlContext->SetDefaultFrameBuffer (aDefFbo); | |
774 | aDefFbo->BindBuffer (myGlContext); | |
775 | } | |
776 | else if (!myPlatformWindow->IsVirtual()) | |
6cde53c4 | 777 | { |
778 | eglQuerySurface ((EGLDisplay )myGlContext->myDisplay, (EGLSurface )myGlContext->myWindow, EGL_WIDTH, &myWidth); | |
779 | eglQuerySurface ((EGLDisplay )myGlContext->myDisplay, (EGLSurface )myGlContext->myWindow, EGL_HEIGHT, &myHeight); | |
780 | } | |
25b97fac | 781 | #elif defined(_WIN32) |
62e1beed | 782 | // |
2166f0fa SK |
783 | #else |
784 | Window aRootWin; | |
785 | int aDummy; | |
786 | unsigned int aDummyU; | |
787 | unsigned int aNewWidth = 0; | |
788 | unsigned int aNewHeight = 0; | |
73192b37 | 789 | Display* aDisp = (Display* )myGlContext->myDisplay; |
5e27df78 | 790 | XGetGeometry (aDisp, myGlContext->myWindow, &aRootWin, &aDummy, &aDummy, &aNewWidth, &aNewHeight, &aDummyU, &aDummyU); |
2166f0fa SK |
791 | myWidth = aNewWidth; |
792 | myHeight = aNewHeight; | |
793 | #endif | |
794 | ||
5bd9ed93 | 795 | glDisable (GL_DITHER); |
ca3c13d1 | 796 | glDisable (GL_SCISSOR_TEST); |
3bffef55 | 797 | const Standard_Integer aViewport[4] = { 0, 0, myWidth, myHeight }; |
798 | myGlContext->ResizeViewport (aViewport); | |
ca3c13d1 | 799 | #if !defined(GL_ES_VERSION_2_0) |
3bffef55 | 800 | myGlContext->SetDrawBuffer (GL_BACK); |
4e1523ef | 801 | if (myGlContext->core11 != NULL) |
802 | { | |
803 | glMatrixMode (GL_MODELVIEW); | |
804 | } | |
ca3c13d1 | 805 | #endif |
2166f0fa SK |
806 | } |
807 | ||
2166f0fa | 808 | // ======================================================================= |
c357e426 | 809 | // function : SetSwapInterval |
2166f0fa SK |
810 | // purpose : |
811 | // ======================================================================= | |
c357e426 | 812 | void OpenGl_Window::SetSwapInterval() |
2166f0fa | 813 | { |
c357e426 | 814 | if (mySwapInterval != myGlContext->caps->swapInterval) |
b5ac8292 | 815 | { |
c357e426 | 816 | mySwapInterval = myGlContext->caps->swapInterval; |
817 | myGlContext->SetSwapInterval (mySwapInterval); | |
b5ac8292 | 818 | } |
2166f0fa | 819 | } |
c357e426 | 820 | |
821 | #endif // !__APPLE__ |