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2dfca143bb
We want to have the ability to fall back to legacy GL contexts when creating them. In order to do so, we need to store the legacy bit on the GdkGLContext, as well as being able to query it. Setting the legacy bit from outside GDK is not possible; we cannot create GL contexts in 3.2 core profile *and* compatibility modes at the same time, and if we allowed users to select the legacy mode themselves, it would break the creation of the GdkWindow's paint GL context. What we do allow is falling back to legacy GL context if the platform does not support 3.2 core profiles — for instance, on older GPUs or inside virtualized environments. We are also going to use the legacy bit internally, to choose which GL API we can use when drawing GL content. https://bugzilla.gnome.org/show_bug.cgi?id=756142
90 lines
3.9 KiB
C
90 lines
3.9 KiB
C
/* GDK - The GIMP Drawing Kit
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*
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* gdkglcontext.h: GL context abstraction
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*
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* Copyright © 2014 Emmanuele Bassi
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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_GL_CONTEXT_H__
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#define __GDK_GL_CONTEXT_H__
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#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#include <gdk/gdkversionmacros.h>
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#include <gdk/gdktypes.h>
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G_BEGIN_DECLS
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#define GDK_TYPE_GL_CONTEXT (gdk_gl_context_get_type ())
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#define GDK_GL_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_GL_CONTEXT, GdkGLContext))
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#define GDK_IS_GL_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_GL_CONTEXT))
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#define GDK_GL_ERROR (gdk_gl_error_quark ())
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GDK_AVAILABLE_IN_3_16
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GQuark gdk_gl_error_quark (void);
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GDK_AVAILABLE_IN_3_16
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GType gdk_gl_context_get_type (void) G_GNUC_CONST;
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GDK_AVAILABLE_IN_3_16
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GdkDisplay * gdk_gl_context_get_display (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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GdkWindow * gdk_gl_context_get_window (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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GdkGLContext * gdk_gl_context_get_shared_context (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_get_version (GdkGLContext *context,
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int *major,
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int *minor);
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GDK_AVAILABLE_IN_3_20
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gboolean gdk_gl_context_is_legacy (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_set_required_version (GdkGLContext *context,
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int major,
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int minor);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_get_required_version (GdkGLContext *context,
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int *major,
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int *minor);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_set_debug_enabled (GdkGLContext *context,
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gboolean enabled);
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GDK_AVAILABLE_IN_3_16
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gboolean gdk_gl_context_get_debug_enabled (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_set_forward_compatible (GdkGLContext *context,
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gboolean compatible);
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GDK_AVAILABLE_IN_3_16
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gboolean gdk_gl_context_get_forward_compatible (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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gboolean gdk_gl_context_realize (GdkGLContext *context,
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GError **error);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_make_current (GdkGLContext *context);
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GDK_AVAILABLE_IN_3_16
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GdkGLContext * gdk_gl_context_get_current (void);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_context_clear_current (void);
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G_END_DECLS
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#endif /* __GDK_GL_CONTEXT_H__ */
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