src/gallium/drivers/i965simple/brw_context.c

   1 /*
   2  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
   3  Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
   4  develop this 3D driver.
   5
   6  Permission is hereby granted, free of charge, to any person obtaining
   7  a 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, sublicense, 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
  16  portions of the Software.
  17
  18  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26  **********************************************************************/
  27  /*
  28   * Authors:
  29   *   Keith Whitwell <keith@tungstengraphics.com>
  30   */
  31
  32
  33 #include "brw_context.h"
  34 #include "brw_defines.h"
  35 #include "brw_draw.h"
  36 #include "brw_vs.h"
  37 #include "brw_tex_layout.h"
  38 #include "brw_winsys.h"
  39
  40 #include "pipe/internal/p_winsys_screen.h"
  41 #include "pipe/p_context.h"
  42 #include "util/u_memory.h"
  43 #include "pipe/p_screen.h"
  44
  45
  46 #ifndef BRW_DEBUG
  47 int BRW_DEBUG = (0);
  48 #endif
  49
  50
  51 static void brw_destroy(struct pipe_context *pipe)
  52 {
  53    struct brw_context *brw = brw_context(pipe);
  54
  55    if(brw->winsys->destroy)
  56       brw->winsys->destroy(brw->winsys);
  57
  58    FREE(brw);
  59 }
  60
  61
  62 static void brw_clear(struct pipe_context *pipe, struct pipe_surface *ps,
  63                       unsigned clearValue)
  64 {
  65    int x, y, w, h;
  66    /* FIXME: corny... */
  67
  68    x = 0;
  69    y = 0;
  70    w = ps->width;
  71    h = ps->height;
  72
  73    pipe->surface_fill(pipe, ps, x, y, w, h, clearValue);
  74 }
  75
  76
  77 struct pipe_context *brw_create(struct pipe_screen *screen,
  78                                 struct brw_winsys *brw_winsys,
  79                                 unsigned pci_id)
  80 {
  81    struct brw_context *brw;
  82
  83    debug_printf("%s: creating brw_context with pci id 0x%x\n",
  84                 __FUNCTION__, pci_id);
  85
  86    brw = CALLOC_STRUCT(brw_context);
  87    if (brw == NULL)
  88       return NULL;
  89
  90    brw->winsys = brw_winsys;
  91    brw->pipe.winsys = screen->winsys;
  92    brw->pipe.screen = screen;
  93
  94    brw->pipe.destroy = brw_destroy;
  95    brw->pipe.clear = brw_clear;
  96
  97    brw_init_surface_functions(brw);
  98    brw_init_texture_functions(brw);
  99    brw_init_state_functions(brw);
 100    brw_init_flush_functions(brw);
 101    brw_init_draw_functions( brw );
 102
 103
 104    brw_init_state( brw );
 105
 106    brw->pci_id = pci_id;
 107    brw->dirty = ~0;
 108    brw->hardware_dirty = ~0;
 109
 110    memset(&brw->wm.bind, ~0, sizeof(brw->wm.bind));
 111
 112    return &brw->pipe;
 113 }
 114