mirror of
https://github.com/brl/mutter.git
synced 2024-11-22 16:10:41 -05:00
14d8ec7cca
This synchronizes parts of cogl-blit.c and cogl-texture.c with the master branch to help with cherry picking patches.
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2011 Intel Corporation.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __COGL_BLIT_H
|
|
#define __COGL_BLIT_H
|
|
|
|
#include <glib.h>
|
|
#include "cogl-object-private.h"
|
|
#include "cogl-texture.h"
|
|
#include "cogl-framebuffer.h"
|
|
|
|
/* This structures and functions are used when a series of blits needs
|
|
to be performed between two textures. In this case there are
|
|
multiple methods we can use, most of which involve transferring
|
|
between an FBO bound to the texture. */
|
|
|
|
typedef struct _CoglBlitData CoglBlitData;
|
|
|
|
typedef CoglBool (* CoglBlitBeginFunc) (CoglBlitData *data);
|
|
typedef void (* CoglBlitEndFunc) (CoglBlitData *data);
|
|
|
|
typedef void (* CoglBlitFunc) (CoglBlitData *data,
|
|
unsigned int src_x,
|
|
unsigned int src_y,
|
|
unsigned int dst_x,
|
|
unsigned int dst_y,
|
|
unsigned int width,
|
|
unsigned int height);
|
|
|
|
typedef struct
|
|
{
|
|
const char *name;
|
|
CoglBlitBeginFunc begin_func;
|
|
CoglBlitFunc blit_func;
|
|
CoglBlitEndFunc end_func;
|
|
} CoglBlitMode;
|
|
|
|
struct _CoglBlitData
|
|
{
|
|
CoglTexture *src_tex, *dst_tex;
|
|
|
|
unsigned int src_width;
|
|
unsigned int src_height;
|
|
|
|
const CoglBlitMode *blit_mode;
|
|
|
|
/* If we're not using an FBO then we g_malloc a buffer and copy the
|
|
complete texture data in */
|
|
unsigned char *image_data;
|
|
CoglPixelFormat format;
|
|
|
|
int bpp;
|
|
|
|
CoglFramebuffer *fb;
|
|
CoglPipeline *pipeline;
|
|
};
|
|
|
|
void
|
|
_cogl_blit_begin (CoglBlitData *data,
|
|
CoglTexture *dst_tex,
|
|
CoglTexture *src_tex);
|
|
|
|
void
|
|
_cogl_blit (CoglBlitData *data,
|
|
unsigned int src_x,
|
|
unsigned int src_y,
|
|
unsigned int dst_x,
|
|
unsigned int dst_y,
|
|
unsigned int width,
|
|
unsigned int height);
|
|
|
|
void
|
|
_cogl_blit_end (CoglBlitData *data);
|
|
|
|
#endif /* __COGL_BLIT_H */
|