src/gallium/winsys/drm/intel/dri/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_SCREEN_H_
  29 #define _INTEL_SCREEN_H_
  30
  31 #include "dri_util.h"
  32 #include "i830_common.h"
  33 #include "xmlconfig.h"
  34 #include "ws_dri_bufpool.h"
  35
  36 #include "pipe/p_compiler.h"
  37
  38 #include "intel_be_device.h"
  39
  40 struct intel_screen
  41 {
  42    struct intel_be_device base;
  43
  44    struct {
  45       drm_handle_t handle;
  46
  47       /* We create a static dri buffer for the frontbuffer.
  48        */
  49       struct _DriBufferObject *buffer;
  50       struct pipe_surface *surface;
  51       struct pipe_texture *texture;
  52
  53       char *map;                   /* memory map */
  54       int offset;                  /* from start of video mem, in bytes */
  55       int pitch;                   /* row stride, in bytes */
  56       int width;
  57       int height;
  58       int size;
  59       int cpp;                     /* for front and back buffers */
  60    } front;
  61
  62    int deviceID;
  63    int drmMinor;
  64
  65    drmI830Sarea *sarea;
  66
  67    /**
  68    * Configuration cache with default values for all contexts
  69    */
  70    driOptionCache optionCache;
  71
  72    boolean havePools;
  73
  74    /**
  75     * Temporary(?) context to use for SwapBuffers or other situations in
  76     * which we need a rendering context, but none is currently bound.
  77     */
  78    struct intel_context *dummyContext;
  79
  80    /*
  81     * New stuff form the i915tex integration
  82     */
  83    unsigned batch_id;
  84
  85
  86    struct pipe_winsys *winsys;
  87 };
  88
  89
  90
  91 /** cast wrapper */
  92 static INLINE struct intel_screen *
  93 intel_screen(__DRIscreenPrivate *sPriv)
  94 {
  95    return (struct intel_screen *) sPriv->private;
  96 }
  97
  98
  99 extern void
 100 intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea);
 101
 102
 103 extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);
 104
 105 extern boolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);
 106
 107 extern boolean
 108 intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 109                  __DRIdrawablePrivate * driDrawPriv,
 110                  __DRIdrawablePrivate * driReadPriv);
 111
 112
 113 extern boolean
 114 intelCreatePools(__DRIscreenPrivate *sPriv);
 115
 116 extern boolean
 117 intelCreateContext(const __GLcontextModes * visual,
 118                    __DRIcontextPrivate * driContextPriv,
 119                    void *sharedContextPrivate);
 120
 121
 122 #endif