mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-25 21:21:21 +00:00
124 lines
5.4 KiB
C
124 lines
5.4 KiB
C
/* GDK - The GIMP Drawing Kit
|
|
*
|
|
* gdkglcontextprivate.h: GL context abstraction
|
|
*
|
|
* Copyright © 2014 Emmanuele Bassi
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef __GDK_GL_CONTEXT_PRIVATE_H__
|
|
#define __GDK_GL_CONTEXT_PRIVATE_H__
|
|
|
|
#include "gdkglcontext.h"
|
|
#include "gdkdrawcontextprivate.h"
|
|
#include "gdkmemorytexture.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GDK_GL_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_GL_CONTEXT, GdkGLContextClass))
|
|
#define GDK_IS_GL_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_GL_CONTEXT))
|
|
#define GDK_GL_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_GL_CONTEXT, GdkGLContextClass))
|
|
|
|
typedef struct _GdkGLContextClass GdkGLContextClass;
|
|
|
|
struct _GdkGLContext
|
|
{
|
|
GdkDrawContext parent_instance;
|
|
|
|
/* We store the old drawn areas to support buffer-age optimizations */
|
|
cairo_region_t *old_updated_area[2];
|
|
};
|
|
|
|
struct _GdkGLContextClass
|
|
{
|
|
GdkDrawContextClass parent_class;
|
|
|
|
gboolean (* realize) (GdkGLContext *context,
|
|
GError **error);
|
|
|
|
cairo_region_t * (* get_damage) (GdkGLContext *context);
|
|
};
|
|
|
|
typedef struct {
|
|
guint program;
|
|
guint position_location;
|
|
guint uv_location;
|
|
guint map_location;
|
|
guint flip_location;
|
|
} GdkGLContextProgram;
|
|
|
|
typedef struct {
|
|
guint vertex_array_object;
|
|
guint tmp_framebuffer;
|
|
guint tmp_vertex_buffer;
|
|
|
|
GdkGLContextProgram texture_2d_quad_program;
|
|
GdkGLContextProgram texture_rect_quad_program;
|
|
|
|
GdkGLContextProgram *current_program;
|
|
|
|
guint is_legacy : 1;
|
|
guint use_es : 1;
|
|
} GdkGLContextPaintData;
|
|
|
|
void gdk_gl_context_set_is_legacy (GdkGLContext *context,
|
|
gboolean is_legacy);
|
|
|
|
void gdk_gl_context_upload_texture (GdkGLContext *context,
|
|
const guchar *data,
|
|
int width,
|
|
int height,
|
|
int stride,
|
|
GdkMemoryFormat data_format,
|
|
guint texture_target);
|
|
GdkGLContextPaintData * gdk_gl_context_get_paint_data (GdkGLContext *context);
|
|
gboolean gdk_gl_context_use_texture_rectangle (GdkGLContext *context);
|
|
gboolean gdk_gl_context_has_unpack_subimage (GdkGLContext *context);
|
|
void gdk_gl_context_push_debug_group (GdkGLContext *context,
|
|
const char *message);
|
|
void gdk_gl_context_push_debug_group_printf (GdkGLContext *context,
|
|
const char *format,
|
|
...) G_GNUC_PRINTF (2, 3);
|
|
void gdk_gl_context_pop_debug_group (GdkGLContext *context);
|
|
void gdk_gl_context_label_object (GdkGLContext *context,
|
|
guint identifier,
|
|
guint name,
|
|
const char *label);
|
|
void gdk_gl_context_label_object_printf (GdkGLContext *context,
|
|
guint identifier,
|
|
guint name,
|
|
const char *format,
|
|
...) G_GNUC_PRINTF (4, 5);
|
|
|
|
gboolean gdk_gl_context_has_debug (GdkGLContext *self) G_GNUC_PURE;
|
|
|
|
gboolean gdk_gl_context_use_es_bgra (GdkGLContext *context);
|
|
|
|
typedef struct {
|
|
float x1, y1, x2, y2;
|
|
float u1, v1, u2, v2;
|
|
} GdkTexturedQuad;
|
|
|
|
void gdk_gl_texture_quads (GdkGLContext *context,
|
|
guint texture_target,
|
|
int n_quads,
|
|
GdkTexturedQuad *quads,
|
|
gboolean flip_colors);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GDK_GL_CONTEXT_PRIVATE_H__ */
|