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 enum tiling_mode {
  37    INTEL_TILE_NONE,
  38    INTEL_TILE_X,
  39    INTEL_TILE_Y
  40 };
  41
  42 /* XXX: change name or eliminate to avoid conflict with "struct
  43  * intel_region"!!!
  44  */
  45 typedef struct
  46 {
  47    drm_handle_t handle;
  48    drmSize size;                /* region size in bytes */
  49    char *map;                   /* memory map */
  50    int offset;                  /* from start of video mem, in bytes */
  51    unsigned int bo_handle;      /* buffer object id if available, or -1 */
  52    /**
  53     * Flags if the region is tiled.
  54     *
  55     * Not included is Y versus X tiling.
  56     */
  57    GLboolean tiled;
  58 } intelRegion;
  59
  60 typedef struct
  61 {
  62    intelRegion front;
  63    intelRegion back;
  64    intelRegion third;
  65    intelRegion depth;
  66    intelRegion tex;
  67
  68    int deviceID;
  69    int width;
  70    int height;
  71    int pitch;                   /* common row stride, in pixels */
  72
  73    int logTextureGranularity;
  74
  75    __DRIscreenPrivate *driScrnPriv;
  76    unsigned int sarea_priv_offset;
  77
  78    int drmMinor;
  79
  80    int irq_active;
  81    int allow_batchbuffer;
  82
  83    int ttm;
  84
  85    /**
  86    * Configuration cache with default values for all contexts
  87    */
  88    driOptionCache optionCache;
  89 } intelScreenPrivate;
  90
  91
  92
  93 extern GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv);
  94
  95 extern void intelUnmapScreenRegions(intelScreenPrivate * intelScreen);
  96
  97 extern void
  98 intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
  99                            struct drm_i915_sarea * sarea);
 100
 101 extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);
 102
 103 extern GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);
 104
 105 extern GLboolean
 106 intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 107                  __DRIdrawablePrivate * driDrawPriv,
 108                  __DRIdrawablePrivate * driReadPriv);
 109
 110 extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
 111
 112 extern void
 113 intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h);
 114
 115 extern struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen);
 116
 117 #endif