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90 lines
3.2 KiB
C
90 lines
3.2 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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GdkGLProfile gdk_gl_context_get_profile (GdkGLContext *context);
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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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/**
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* GdkGLFlags:
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* @GDK_GL_DISABLE: Disable creating new windows with GL rendering
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* @GDK_GL_ALWAYS: Make all newly created windows use GL rendering
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* @GDK_GL_SOFTWARE_DRAW_GL: Always use software fallback for drawing
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* GL content to a cairo_t. This disables the fast paths that exist for
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* drawing directly to a window and instead reads back the pixels into
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* a cairo image surface.
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* @GDK_GL_SOFTWARE_DRAW_SURFACE: Always use software fallback for
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* drawing cairo surfaces onto a GL-using window. This disables e.g.
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* texture-from-pixmap on X11.
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* @GDK_GL_TEXTURE_RECTANGLE: Use the GL_ARB_texture_rectangle extension
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*
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* Flags that influence the OpenGL rendering used by GDK.
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*/
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typedef enum {
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GDK_GL_DISABLE = 1 << 0,
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GDK_GL_ALWAYS = 1 << 1,
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GDK_GL_SOFTWARE_DRAW_GL = 1 << 2,
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GDK_GL_SOFTWARE_DRAW_SURFACE = 1 << 3,
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GDK_GL_TEXTURE_RECTANGLE = 1 << 4
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} GdkGLFlags;
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GDK_AVAILABLE_IN_3_16
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GdkGLFlags gdk_gl_get_flags (void);
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GDK_AVAILABLE_IN_3_16
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void gdk_gl_set_flags (GdkGLFlags flags);
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G_END_DECLS
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#endif /* __GDK_GL_CONTEXT_H__ */
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