src/mesa/drivers/dri/i965/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 "xmlconfig.h"
  34 #include "i830_common.h"
  35
  36 /* XXX: change name or eliminate to avoid conflict with "struct
  37  * intel_region"!!!
  38  */
  39 typedef struct {
  40    drm_handle_t handle;
  41    drmSize size;        /* region size in bytes */
  42    char *map;           /* memory map */
  43    int offset;          /* from start of video mem, in bytes */
  44    int pitch;           /* row stride, in pixels */
  45    unsigned int tiled;
  46 } intelRegion;
  47
  48 typedef struct
  49 {
  50    intelRegion front;
  51    intelRegion back;
  52    intelRegion rotated;
  53    intelRegion depth;
  54    intelRegion tex;
  55
  56    int deviceID;
  57    int width;
  58    int height;
  59    int mem;         /* unused */
  60
  61    int cpp;         /* for front and back buffers */
  62    int fbFormat;
  63
  64    int logTextureGranularity;
  65
  66    __DRIscreenPrivate *driScrnPriv;
  67    unsigned int sarea_priv_offset;
  68
  69    int drmMinor;
  70
  71    int irq_active;
  72    int allow_batchbuffer;
  73
  74 /*    struct matrix23 rotMatrix; */
  75
  76    int current_rotation;  /* 0, 90, 180 or 270 */
  77    int rotatedWidth, rotatedHeight;
  78
  79    /**
  80     * Configuration cache with default values for all contexts
  81     */
  82    driOptionCache optionCache;
  83 } intelScreenPrivate;
  84
  85
  86 extern GLboolean
  87 intelMapScreenRegions(__DRIscreenPrivate *sPriv);
  88
  89 extern void
  90 intelUnmapScreenRegions(intelScreenPrivate *intelScreen);
  91
  92 extern void
  93 intelUpdateScreenFromSAREA(intelScreenPrivate *intelScreen,
  94                            volatile drmI830Sarea *sarea);
  95
  96 extern void
  97 intelDestroyContext(__DRIcontextPrivate *driContextPriv);
  98
  99 extern GLboolean
 100 intelUnbindContext(__DRIcontextPrivate *driContextPriv);
 101
 102 extern GLboolean
 103 intelMakeCurrent(__DRIcontextPrivate *driContextPriv,
 104                  __DRIdrawablePrivate *driDrawPriv,
 105                  __DRIdrawablePrivate *driReadPriv);
 106
 107 extern void
 108 intelSwapBuffers(__DRIdrawablePrivate *dPriv);
 109
 110 extern void
 111 intelCopySubBuffer( __DRIdrawablePrivate *dPriv,
 112                     int x, int y, int w, int h );
 113
 114 #endif