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 "i915_drm.h"
  34 #include "xmlconfig.h"
  35
  36 /* XXX: change name or eliminate to avoid conflict with "struct
  37  * intel_region"!!!
  38  */
  39 typedef struct
  40 {
  41    drm_handle_t handle;
  42    drmSize size;                /* region size in bytes */
  43    char *map;                   /* memory map */
  44    int offset;                  /* from start of video mem, in bytes */
  45    unsigned int bo_handle;      /* buffer object id if available, or -1 */
  46    /**
  47     * Flags if the region is tiled.
  48     *
  49     * Not included is Y versus X tiling.
  50     */
  51    GLboolean tiled;
  52 } intelRegion;
  53
  54 typedef struct
  55 {
  56    intelRegion front;
  57    intelRegion back;
  58    intelRegion third;
  59    intelRegion depth;
  60    intelRegion tex;
  61
  62    int deviceID;
  63    int width;
  64    int height;
  65    int pitch;                   /* common row stride, in pixels */
  66
  67    int logTextureGranularity;
  68
  69    __DRIscreenPrivate *driScrnPriv;
  70    unsigned int sarea_priv_offset;
  71
  72    int drmMinor;
  73
  74    int irq_active;
  75    int allow_batchbuffer;
  76
  77    int ttm;
  78
  79    /**
  80    * Configuration cache with default values for all contexts
  81    */
  82    driOptionCache optionCache;
  83 } intelScreenPrivate;
  84
  85
  86
  87 extern GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv);
  88
  89 extern void intelUnmapScreenRegions(intelScreenPrivate * intelScreen);
  90
  91 extern void
  92 intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
  93                            struct drm_i915_sarea * sarea);
  94
  95 extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);
  96
  97 extern GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);
  98
  99 extern GLboolean
 100 intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 101                  __DRIdrawablePrivate * driDrawPriv,
 102                  __DRIdrawablePrivate * driReadPriv);
 103
 104 extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
 105
 106 extern void
 107 intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h);
 108
 109 extern struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen);
 110
 111 #endif