136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
*
|
|
* gdkglcontext-win32.c: Win32 specific OpenGL wrappers
|
|
*
|
|
* Copyright © 2014 Emmanuele Bassi
|
|
* Copyright © 2014 Alexander Larsson
|
|
* Copyright © 2014 Chun-wei Fan
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gdkprivate-win32.h"
|
|
#include "gdksurface-win32.h"
|
|
#include "gdkglcontext-win32.h"
|
|
#include "gdkdisplay-win32.h"
|
|
|
|
#include "gdkwin32display.h"
|
|
#include "gdkwin32glcontext.h"
|
|
#include "gdkwin32misc.h"
|
|
#include "gdkwin32screen.h"
|
|
#include "gdkwin32surface.h"
|
|
|
|
#include "gdkglcontext.h"
|
|
#include "gdksurface.h"
|
|
#include <glib/gi18n-lib.h>
|
|
|
|
#include <cairo.h>
|
|
#include <epoxy/egl.h>
|
|
|
|
struct _GdkWin32GLContextEGL
|
|
{
|
|
GdkWin32GLContext parent_instance;
|
|
|
|
/* EGL (Angle) Context Items */
|
|
EGLContext egl_context;
|
|
guint do_frame_sync : 1;
|
|
};
|
|
|
|
typedef struct _GdkWin32GLContextClass GdkWin32GLContextEGLClass;
|
|
|
|
G_DEFINE_TYPE (GdkWin32GLContextEGL, gdk_win32_gl_context_egl, GDK_TYPE_WIN32_GL_CONTEXT)
|
|
|
|
static gboolean
|
|
is_egl_force_redraw (GdkSurface *surface)
|
|
{
|
|
/* We only need to call gdk_window_invalidate_rect () if necessary */
|
|
if (surface->gl_paint_context != NULL && gdk_gl_context_get_use_es (surface->gl_paint_context))
|
|
{
|
|
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
|
|
|
|
return impl->egl_force_redraw_all;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
reset_egl_force_redraw (GdkSurface *surface)
|
|
{
|
|
if (surface->gl_paint_context != NULL && gdk_gl_context_get_use_es (surface->gl_paint_context))
|
|
{
|
|
GdkWin32Surface *impl = GDK_WIN32_SURFACE (surface);
|
|
|
|
if (impl->egl_force_redraw_all)
|
|
impl->egl_force_redraw_all = FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_win32_gl_context_egl_end_frame (GdkDrawContext *draw_context,
|
|
cairo_region_t *painted)
|
|
{
|
|
GdkGLContext *context = GDK_GL_CONTEXT (draw_context);
|
|
GdkSurface *surface = gdk_gl_context_get_surface (context);
|
|
GdkDisplay *display = gdk_gl_context_get_display (context);
|
|
EGLSurface egl_surface;
|
|
|
|
GDK_DRAW_CONTEXT_CLASS (gdk_win32_gl_context_egl_parent_class)->end_frame (draw_context, painted);
|
|
|
|
gdk_gl_context_make_current (context);
|
|
|
|
egl_surface = gdk_surface_get_egl_surface (surface);
|
|
|
|
if (is_egl_force_redraw (surface))
|
|
{
|
|
GdkRectangle rect = {0, 0, gdk_surface_get_width (surface), gdk_surface_get_height (surface)};
|
|
|
|
/* We need to do gdk_window_invalidate_rect() so that we don't get glitches after maximizing or
|
|
* restoring or using aerosnap
|
|
*/
|
|
gdk_surface_invalidate_rect (surface, &rect);
|
|
reset_egl_force_redraw (surface);
|
|
}
|
|
|
|
eglSwapBuffers (gdk_display_get_egl_display (display), egl_surface);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_gl_context_egl_begin_frame (GdkDrawContext *draw_context,
|
|
GdkMemoryDepth depth,
|
|
cairo_region_t *update_area)
|
|
{
|
|
gdk_win32_surface_handle_queued_move_resize (draw_context);
|
|
|
|
GDK_DRAW_CONTEXT_CLASS (gdk_win32_gl_context_egl_parent_class)->begin_frame (draw_context, depth, update_area);
|
|
}
|
|
|
|
static void
|
|
gdk_win32_gl_context_egl_class_init (GdkWin32GLContextClass *klass)
|
|
{
|
|
GdkGLContextClass *context_class = GDK_GL_CONTEXT_CLASS(klass);
|
|
GdkDrawContextClass *draw_context_class = GDK_DRAW_CONTEXT_CLASS(klass);
|
|
|
|
context_class->backend_type = GDK_GL_EGL;
|
|
|
|
draw_context_class->begin_frame = gdk_win32_gl_context_egl_begin_frame;
|
|
draw_context_class->end_frame = gdk_win32_gl_context_egl_end_frame;
|
|
}
|
|
|
|
static void
|
|
gdk_win32_gl_context_egl_init (GdkWin32GLContextEGL *egl_context)
|
|
{
|
|
}
|