/*
 * Direct Rendering Support for SMedia Glamo 336x/337x
 *
 * (c) 2009 Thomas White <taw@bitwiz.org.uk>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef __GLAMO_FBO_H
#define __GLAMO_FBO_H


#include "main/mtypes.h"
#include "dri_util.h"


/* This is just a marker so we can tell a Glamo renderbuffer from a Mesa one */
#define GLAMO_RB_CLASS (0xdeadbeef)


struct glamo_renderbuffer
{
	struct gl_renderbuffer base;   /* Must be first */
	struct glamo_bo *bo;
	unsigned int cpp;
	unsigned int pitch;
	unsigned int width;
	unsigned int height;

	__DRIdrawablePrivate *dPriv;
};


struct glamo_framebuffer
{
	struct gl_framebuffer base;
	struct glamo_renderbuffer *color_rb[2];
};


/* This is just a small wrapper function to return NULL if the gl_renderbuffer
 * is not a glamo_renderbuffer */
static inline struct glamo_renderbuffer
                                 *glamo_renderbuffer(struct gl_renderbuffer *rb)
{
	struct glamo_renderbuffer *grb = (struct glamo_renderbuffer *)rb;
	if ( grb && grb->base.ClassID == GLAMO_RB_CLASS )
		return grb;
	else
		return NULL;
}


extern struct glamo_renderbuffer *glamo_create_renderbuffer(GLenum format,
                                             __DRIdrawablePrivate *driDrawPriv);

extern void glamo_renderbuffer_set_bo(struct glamo_renderbuffer *grb,
                               struct glamo_bo *bo);

#endif   /* __GLAMO_FBO_H */

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