mirror of
https://github.com/brl/mutter.git
synced 2024-11-26 01:50:42 -05:00
91a02e9107
This moves the decision about whether a buffer should be allocated using malloc or not into cogl-buffer.c closer to the driver since it seem there could be other driver specific factors that might also influence this choice that we don't currently consider. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 06d46f10bf755d3009c28904e616a0adb4586cf5)
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2010 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*
|
|
*
|
|
* Authors:
|
|
* Damien Lespiau <damien.lespiau@intel.com>
|
|
* Robert Bragg <robert@linux.intel.com>
|
|
*/
|
|
|
|
/* For an overview of the functionality implemented here, please see
|
|
* cogl-buffer-array.h, which contains the gtk-doc section overview for the
|
|
* Pixel Buffers API.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <glib.h>
|
|
|
|
#include "cogl-private.h"
|
|
#include "cogl-util.h"
|
|
#include "cogl-context-private.h"
|
|
#include "cogl-object.h"
|
|
#include "cogl-pixel-buffer-private.h"
|
|
#include "cogl-pixel-buffer.h"
|
|
|
|
/*
|
|
* GL/GLES compatibility defines for the buffer API:
|
|
*/
|
|
|
|
#if defined (HAVE_COGL_GL)
|
|
|
|
#ifndef GL_PIXEL_UNPACK_BUFFER
|
|
#define GL_PIXEL_UNPACK_BUFFER GL_PIXEL_UNPACK_BUFFER_ARB
|
|
#endif
|
|
|
|
#ifndef GL_PIXEL_PACK_BUFFER
|
|
#define GL_PIXEL_PACK_BUFFER GL_PIXEL_PACK_BUFFER_ARB
|
|
#endif
|
|
|
|
#endif
|
|
|
|
static void
|
|
_cogl_pixel_buffer_free (CoglPixelBuffer *buffer);
|
|
|
|
COGL_BUFFER_DEFINE (PixelBuffer, pixel_buffer)
|
|
|
|
CoglPixelBuffer *
|
|
cogl_pixel_buffer_new (CoglContext *context,
|
|
size_t size,
|
|
const void *data)
|
|
{
|
|
CoglPixelBuffer *pixel_buffer = g_slice_new0 (CoglPixelBuffer);
|
|
CoglBuffer *buffer = COGL_BUFFER (pixel_buffer);
|
|
|
|
/* parent's constructor */
|
|
_cogl_buffer_initialize (buffer,
|
|
context,
|
|
size,
|
|
COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK,
|
|
COGL_BUFFER_USAGE_HINT_TEXTURE,
|
|
COGL_BUFFER_UPDATE_HINT_STATIC);
|
|
|
|
_cogl_pixel_buffer_object_new (pixel_buffer);
|
|
|
|
if (data)
|
|
cogl_buffer_set_data (COGL_BUFFER (pixel_buffer),
|
|
0,
|
|
data,
|
|
size);
|
|
|
|
return pixel_buffer;
|
|
}
|
|
|
|
static void
|
|
_cogl_pixel_buffer_free (CoglPixelBuffer *buffer)
|
|
{
|
|
/* parent's destructor */
|
|
_cogl_buffer_fini (COGL_BUFFER (buffer));
|
|
|
|
g_slice_free (CoglPixelBuffer, buffer);
|
|
}
|
|
|