intel_screen.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/**************************************************************************
 * 
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * 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, sub license, 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 (including the
 * next paragraph) 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 _INTEL_INIT_H_
#define _INTEL_INIT_H_

#include <sys/time.h>
#include "dri_util.h"
#include "i915_drm.h"
#include "xmlconfig.h"

/* XXX: change name or eliminate to avoid conflict with "struct
 * intel_region"!!!
 */
typedef struct
{
   drm_handle_t handle;
   drmSize size;                /* region size in bytes */
   char *map;                   /* memory map */
   int offset;                  /* from start of video mem, in bytes */
   unsigned int bo_handle;	/* buffer object id if available, or -1 */
   /**
    * Flags if the region is tiled.
    *
    * Not included is Y versus X tiling.
    */
   GLboolean tiled;
} intelRegion;

typedef struct
{
   intelRegion front;
   intelRegion back;
   intelRegion third;
   intelRegion depth;
   intelRegion tex;

   int deviceID;
   int width;
   int height;
   int pitch;                   /* common row stride, in pixels */

   int logTextureGranularity;

   __DRIscreenPrivate *driScrnPriv;
   unsigned int sarea_priv_offset;

   int drmMinor;

   int irq_active;
   int allow_batchbuffer;

   /**
   * Configuration cache with default values for all contexts
   */
   driOptionCache optionCache;
} intelScreenPrivate;



extern GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv);

extern void intelUnmapScreenRegions(intelScreenPrivate * intelScreen);

extern void
intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
                           struct drm_i915_sarea * sarea);

extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);

extern GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);

extern GLboolean
intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
                 __DRIdrawablePrivate * driDrawPriv,
                 __DRIdrawablePrivate * driReadPriv);

extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);

extern void
intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h);

extern struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen);

#endif