src/mesa/drivers/dri/i915tex/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 "intel_rotate.h"
  34 #include "i830_common.h"
  35 #include "xmlconfig.h"
  36 #include "dri_bufpool.h"
  37
  38 /* XXX: change name or eliminate to avoid conflict with "struct
  39  * intel_region"!!!
  40  */
  41 typedef struct
  42 {
  43    drm_handle_t handle;
  44    drmSize size;                /* region size in bytes */
  45    char *map;                   /* memory map */
  46    int offset;                  /* from start of video mem, in bytes */
  47    int pitch;                   /* row stride, in bytes */
  48 } intelRegion;
  49
  50 typedef struct
  51 {
  52    intelRegion front;
  53    intelRegion back;
  54    intelRegion third;
  55    intelRegion rotated;
  56    intelRegion depth;
  57    intelRegion tex;
  58
  59    struct intel_region *front_region;
  60    struct intel_region *back_region;
  61    struct intel_region *third_region;
  62    struct intel_region *depth_region;
  63    struct intel_region *rotated_region;
  64
  65    int deviceID;
  66    int width;
  67    int height;
  68    int mem;                     /* unused */
  69
  70    int cpp;                     /* for front and back buffers */
  71 /*    int bitsPerPixel;   */
  72    int fbFormat;                /* XXX FBO: this is obsolete - remove after i830 updates */
  73
  74    int logTextureGranularity;
  75
  76    __DRIscreenPrivate *driScrnPriv;
  77    unsigned int sarea_priv_offset;
  78
  79    int drmMinor;
  80
  81    int irq_active;
  82    int allow_batchbuffer;
  83
  84    struct matrix23 rotMatrix;
  85
  86    int current_rotation;        /* 0, 90, 180 or 270 */
  87    int rotatedWidth, rotatedHeight;
  88
  89    /**
  90    * Configuration cache with default values for all contexts
  91    */
  92    driOptionCache optionCache;
  93    struct _DriBufferPool *batchPool;
  94    struct _DriBufferPool *texPool;
  95    struct _DriBufferPool *regionPool;
  96    struct _DriBufferPool *staticPool;
  97    unsigned int maxBatchSize;
  98    GLboolean havePools;
  99    struct intel_context *dummyctxptr;
 100 } intelScreenPrivate;
 101
 102
 103
 104 extern GLboolean intelMapScreenRegions(__DRIscreenPrivate * sPriv);
 105
 106 extern void intelUnmapScreenRegions(intelScreenPrivate * intelScreen);
 107
 108 extern void
 109 intelUpdateScreenFromSAREA(intelScreenPrivate * intelScreen,
 110                            drmI830Sarea * sarea);
 111
 112 extern void intelDestroyContext(__DRIcontextPrivate * driContextPriv);
 113
 114 extern GLboolean intelUnbindContext(__DRIcontextPrivate * driContextPriv);
 115
 116 extern GLboolean
 117 intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
 118                  __DRIdrawablePrivate * driDrawPriv,
 119                  __DRIdrawablePrivate * driReadPriv);
 120
 121 extern void intelSwapBuffers(__DRIdrawablePrivate * dPriv);
 122
 123 extern void
 124 intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h);
 125
 126 extern struct _DriBufferPool *driBatchPoolInit(int fd, unsigned flags,
 127                                                unsigned long bufSize,
 128                                                unsigned numBufs,
 129                                                unsigned checkDelayed);
 130
 131 extern struct intel_context *intelScreenContext(intelScreenPrivate *intelScreen);
 132
 133 extern void
 134 intelUpdateScreenRotation(__DRIscreenPrivate * sPriv, drmI830Sarea * sarea);
 135 extern GLboolean
 136 intelCreatePools(intelScreenPrivate *intelScreen);
 137
 138 #endif