src/mesa/drivers/dri/intel/intel_screen.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef _INTEL_INIT_H_
  29 #define _INTEL_INIT_H_
  30
  31 #include <sys/time.h>
  32 #include "dri_util.h"
  33 #include "i830_common.h"
  34 #include "xmlconfig.h"
  35 #include "dri_bufmgr.h"
  36
  37 /* XXX: change name or eliminate to avoid conflict with "struct
  38  * intel_region"!!!
  39  */
  40 typedef struct
  41 {
  42    drm_handle_t handle;
  43    drmSize size;                /* region size in bytes */
  44    char *map;                   /* memory map */
  45    int offset;                  /* from start of video mem, in bytes */
  46    int pitch;                   /* row stride, in bytes */
  47    unsigned int bo_handle;      /* buffer object id if available, or -1 */
  48    /**
  49     * Flags if the region is tiled.
  50     *
  51     * Not included is Y versus X tiling.
  52     */
  53    GLboolean tiled;
  54 } intelRegion;
  55
  56 typedef struct
  57 {
  58    intelRegion front;
  59    intelRegion back;
  60    intelRegion third;
  61    intelRegion depth;
  62    intelRegion tex;
  63
  64    struct intel_region *front_region;
  65    struct intel_region *back_region;
  66    struct intel_region *third_region;
  67    struct intel_region *depth_region;
  68
  69    int deviceID;
  70    int width;
  71    int height;
  72    int mem;                     /* unused */
  73
  74    int cpp;                     /* for front and back buffers */
  75 /*    int bitsPerPixel;   */
  76    int fbFormat;                /* XXX FBO: this is obsolete - remove after i830 updates */
  77
  78    int logTextureGranularity;
  79
  80    __DRIscreenPrivate *driScrnPriv;
  81    unsigned int sarea_priv_offset;
  82
  83    int drmMinor;
  84
  85    int irq_active;
  86    int allow_batchbuffer;
  87
  88    /**
  89    * Configuration cache with default values for all contexts
  90    */
  91    driOptionCache optionCache;
  92
  93    dri_bufmgr *bufmgr;
  94    unsigned int maxBatchSize;
  95
  96    /**
  97     * This value indicates that the kernel memory manager is being used
  98     * instead of the fake client-side memory manager.
  99     */
 100    GLboolean ttm;
 101
 102    unsigned batch_id;
 103 } intelScreenPrivate;
 104
 105
 106
 107 extern GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv);
 108
 109 extern void intelUnmapScreenRegions(intelScreenPrivate * intelScreen);
 110
 111 extern void
 112 intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
 113                            drmI830Sarea * sarea);
 114
 115 extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);
 116
 117 extern GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);
 118
 119 extern GLboolean
 120 intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 121                  __DRIdrawablePrivate * driDrawPriv,
 122                  __DRIdrawablePrivate * driReadPriv);
 123
 124 extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
 125
 126 extern void
 127 intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h);
 128
 129 extern struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen);
 130
 131 #endif