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Diffstat (limited to 'intern/ghost/intern/GHOST_ContextEGL.h')
| -rw-r--r-- | intern/ghost/intern/GHOST_ContextEGL.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/intern/ghost/intern/GHOST_ContextEGL.h b/intern/ghost/intern/GHOST_ContextEGL.h new file mode 100644 index 00000000000..70c26c940fc --- /dev/null +++ b/intern/ghost/intern/GHOST_ContextEGL.h @@ -0,0 +1,167 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2013 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): Jason Wilkins + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file ghost/intern/GHOST_ContextEGL.h + * \ingroup GHOST + */ + +#ifndef __GHOST_CONTEXTEGL_H__ +#define __GHOST_CONTEXTEGL_H__ + +#include "GHOST_Context.h" + +#ifdef WITH_GLEW_MX +# define eglewGetContext() eglewContext +#endif + +#include <GL/eglew.h> + +#ifdef WITH_GLEW_MX +extern "C" EGLEWContext *eglewContext; +#endif + + +#ifndef GHOST_OPENGL_EGL_CONTEXT_FLAGS +#define GHOST_OPENGL_EGL_CONTEXT_FLAGS 0 +#endif + +#ifndef GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY +#define GHOST_OPENGL_EGL_RESET_NOTIFICATION_STRATEGY 0 +#endif + + +class GHOST_ContextEGL : public GHOST_Context +{ +public: + /** + * Constructor. + */ + GHOST_ContextEGL( + bool stereoVisual, + GHOST_TUns16 numOfAASamples, + EGLNativeWindowType nativeWindow, + EGLNativeDisplayType nativeDisplay, + EGLint contextProfileMask, + EGLint contextMajorVersion, + EGLint contextMinorVersion, + EGLint contextFlags, + EGLint contextResetNotificationStrategy, + EGLenum api); + + /** + * Destructor. + */ + ~GHOST_ContextEGL(); + + /** + * Swaps front and back buffers of a window. + * \return A boolean success indicator. + */ + GHOST_TSuccess swapBuffers(); + + /** + * Activates the drawing context of this window. + * \return A boolean success indicator. + */ + GHOST_TSuccess activateDrawingContext(); + + /** + * Call immediately after new to initialize. If this fails then immediately delete the object. + * \return Indication as to whether initialization has succeeded. + */ + GHOST_TSuccess initializeDrawingContext(); + + /** + * Removes references to native handles from this context and then returns + * \return GHOST_kSuccess if it is OK for the parent to release the handles and + * GHOST_kFailure if releasing the handles will interfere with sharing + */ + GHOST_TSuccess releaseNativeHandles(); + + /** + * Sets the swap interval for swapBuffers. + * \param interval The swap interval to use. + * \return A boolean success indicator. + */ + GHOST_TSuccess setSwapInterval(int interval); + + /** + * Gets the current swap interval for swapBuffers. + * \param intervalOut Variable to store the swap interval if it can be read. + * \return Whether the swap interval can be read. + */ + GHOST_TSuccess getSwapInterval(int &intervalOut); + +protected: + inline void activateEGLEW() const { +#ifdef WITH_GLEW_MX + eglewContext = m_eglewContext; +#endif + } + +private: + void initContextEGLEW(); + + EGLNativeDisplayType m_nativeDisplay; + EGLNativeWindowType m_nativeWindow; + + const EGLint m_contextProfileMask; + const EGLint m_contextMajorVersion; + const EGLint m_contextMinorVersion; + const EGLint m_contextFlags; + const EGLint m_contextResetNotificationStrategy; + + const EGLenum m_api; + + EGLContext m_context; + EGLSurface m_surface; + EGLDisplay m_display; + + EGLint m_swap_interval; + +#ifdef WITH_GLEW_MX + EGLEWContext *m_eglewContext; +#endif + + EGLContext &m_sharedContext; + EGLint &m_sharedCount; + + static EGLContext s_gl_sharedContext; + static EGLint s_gl_sharedCount; + + static EGLContext s_gles_sharedContext; + static EGLint s_gles_sharedCount; + + static EGLContext s_vg_sharedContext; + static EGLint s_vg_sharedCount; + +#ifdef WITH_GL_ANGLE + static HMODULE s_d3dcompiler; +#endif +}; + +#endif // __GHOST_CONTEXTEGL_H__ |