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)
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2010 Intel Corporation.
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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*
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*
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* Authors:
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* Damien Lespiau <damien.lespiau@intel.com>
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* Robert Bragg <robert@linux.intel.com>
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*/
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/* For an overview of the functionality implemented here, please see
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* cogl-buffer-array.h, which contains the gtk-doc section overview for the
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* Pixel Buffers API.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <glib.h>
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#include "cogl-private.h"
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#include "cogl-util.h"
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#include "cogl-context-private.h"
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#include "cogl-object.h"
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#include "cogl-pixel-buffer-private.h"
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#include "cogl-pixel-buffer.h"
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/*
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* GL/GLES compatibility defines for the buffer API:
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*/
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#if defined (HAVE_COGL_GL)
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#ifndef GL_PIXEL_UNPACK_BUFFER
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#define GL_PIXEL_UNPACK_BUFFER GL_PIXEL_UNPACK_BUFFER_ARB
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#endif
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#ifndef GL_PIXEL_PACK_BUFFER
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#define GL_PIXEL_PACK_BUFFER GL_PIXEL_PACK_BUFFER_ARB
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#endif
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#endif
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static void
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_cogl_pixel_buffer_free (CoglPixelBuffer *buffer);
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COGL_BUFFER_DEFINE (PixelBuffer, pixel_buffer)
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CoglPixelBuffer *
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cogl_pixel_buffer_new (CoglContext *context,
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size_t size,
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const void *data)
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{
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CoglPixelBuffer *pixel_buffer = g_slice_new0 (CoglPixelBuffer);
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CoglBuffer *buffer = COGL_BUFFER (pixel_buffer);
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/* parent's constructor */
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_cogl_buffer_initialize (buffer,
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context,
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size,
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COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK,
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COGL_BUFFER_USAGE_HINT_TEXTURE,
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COGL_BUFFER_UPDATE_HINT_STATIC);
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_cogl_pixel_buffer_object_new (pixel_buffer);
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if (data)
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cogl_buffer_set_data (COGL_BUFFER (pixel_buffer),
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0,
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data,
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size);
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return pixel_buffer;
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}
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static void
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_cogl_pixel_buffer_free (CoglPixelBuffer *buffer)
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{
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/* parent's destructor */
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_cogl_buffer_fini (COGL_BUFFER (buffer));
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g_slice_free (CoglPixelBuffer, buffer);
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}
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