/*
 * Direct Rendering Support for SMedia Glamo 336x/337x
 *
 * (c) 2009 Thomas White <taw@bitwiz.org.uk>
 * Roughly based on sis_context.h (c) 2003 Eric Anholt
 *
 * 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_CONTEXT_H
#define __GLAMO_CONTEXT_H

#include "dri_util.h"
#include "utils.h"
#include "glamo_screen.h"

typedef struct glamo_context glamoContextRec;
typedef struct glamo_context *glamoContextPtr;

struct glamo_context {

	GLcontext *glCtx;                  /* Must be first in this structure */

	int driFd;                         /* DRM fd */

	__DRIcontextPrivate  *driContext;  /* DRI context */
	__DRIscreenPrivate   *driScreen;   /* DRI screen */
	__DRIdrawablePrivate *driDrawable; /* DRI drawable bound to this ctx */

	glamoScreenPtr glamoScreen;        /* Screen private DRI data */

	driOptionCache optionCache;

	uint16_t *cmdq_drm;                /* Command queue cache */
	int cmdq_drm_used;
	int cmdq_drm_size;
	int cmdq_obj_used;
	uint32_t *cmdq_objs;
	unsigned int *cmdq_obj_pos;
};

#define GLAMO_CONTEXT(ctx) ((glamoContextPtr)(ctx->DriverCtx))

extern GLboolean glamoCreateContext(const __GLcontextModes *glVis,
                                    __DRIcontext *driContextPriv,
                                    void *sharedContextPrivate);
extern void glamoDestroyContext(__DRIcontext *dcp);
extern GLboolean glamoMakeCurrent(__DRIcontext *driContextPriv,
                                  __DRIdrawable *driDrawPriv,
                                  __DRIdrawable *driReadPriv);
extern GLboolean glamoUnbindContext(__DRIcontext *driContextPriv);

#endif   /* __GLAMO_CONTEXT_H */