a0306f758f
This is a backport from the GTK-4.x update, so that we can aim to support gtkglsink in gst-plugins-good even on Windows, beyond using just Cairo in gstsink for rendering. From the commit message in GTK-4.x, in commit 627ee674: We might be dealing with GL contexts from different threads, which have more gotchas when we are using libepoxy, so in case the function pointers for these are invalidated by wglMakeCurrent() calls outside of GTK/GDK, such as in GstGL, we want to use these functions that are directly linked to opengl32.dll provided by the system/ICD, by linking to opengl32.lib. This will ensure that we will indeed call the "correct" wgl* functions that we need.
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkglcontext-win32.h: Private Win32 specific OpenGL wrappers
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*
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* Copyright © 2014 Chun-wei Fan
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GDK_WIN32_GL_CONTEXT__
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#define __GDK_WIN32_GL_CONTEXT__
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#ifdef DONT_INCLUDE_LIBEPOXY
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# include <GL/gl.h>
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# include <glib.h>
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#else
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# include <epoxy/gl.h>
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# include <epoxy/wgl.h>
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# ifdef GDK_WIN32_ENABLE_EGL
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# include <epoxy/egl.h>
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# endif
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# include "gdkglcontextprivate.h"
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# include "gdkdisplayprivate.h"
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# include "gdkvisual.h"
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# include "gdkwindow.h"
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#endif
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G_BEGIN_DECLS
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#ifndef DONT_INCLUDE_LIBEPOXY
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void
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gdk_win32_window_invalidate_egl_framebuffer (GdkWindow *window);
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GdkGLContext *
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gdk_win32_window_create_gl_context (GdkWindow *window,
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gboolean attached,
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GdkGLContext *share,
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GError **error);
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void
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gdk_win32_window_invalidate_for_new_frame (GdkWindow *window,
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cairo_region_t *update_area);
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gboolean
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gdk_win32_display_make_gl_context_current (GdkDisplay *display,
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GdkGLContext *context);
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#endif /* !DONT_INCLUDE_LIBEPOXY */
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HGLRC gdk_win32_private_wglGetCurrentContext (void);
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BOOL gdk_win32_private_wglMakeCurrent (HDC hdc,
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HGLRC hglrc);
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void gdk_win32_private_wglDeleteContext (HGLRC hglrc);
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G_END_DECLS
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#endif /* __GDK_WIN32_GL_CONTEXT__ */
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