src/gallium/drivers/i965/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 "pipe/p_context.h"
  34 #include "util/u_inlines.h"
  35 #include "util/u_simple_list.h"
  36
  37 #include "brw_context.h"
  38 #include "brw_draw.h"
  39 #include "brw_state.h"
  40 #include "brw_batchbuffer.h"
  41 #include "brw_winsys.h"
  42 #include "brw_screen.h"
  43
  44
  45 static void brw_destroy_context( struct pipe_context *pipe )
  46 {
  47    struct brw_context *brw = brw_context(pipe);
  48    int i;
  49
  50    brw_context_flush( brw );
  51    brw_batchbuffer_free( brw->batch );
  52    brw_destroy_state(brw);
  53
  54    brw_draw_cleanup( brw );
  55
  56    brw_pipe_blend_cleanup( brw );
  57    brw_pipe_depth_stencil_cleanup( brw );
  58    brw_pipe_framebuffer_cleanup( brw );
  59    brw_pipe_flush_cleanup( brw );
  60    brw_pipe_misc_cleanup( brw );
  61    brw_pipe_query_cleanup( brw );
  62    brw_pipe_rast_cleanup( brw );
  63    brw_pipe_sampler_cleanup( brw );
  64    brw_pipe_shader_cleanup( brw );
  65    brw_pipe_vertex_cleanup( brw );
  66    brw_pipe_clear_cleanup( brw );
  67
  68    brw_hw_cc_cleanup( brw );
  69
  70
  71    FREE(brw->wm.compile_data);
  72
  73    for (i = 0; i < brw->curr.fb.nr_cbufs; i++)
  74       pipe_surface_reference(&brw->curr.fb.cbufs[i], NULL);
  75    brw->curr.fb.nr_cbufs = 0;
  76    pipe_surface_reference(&brw->curr.fb.zsbuf, NULL);
  77
  78    bo_reference(&brw->curbe.curbe_bo, NULL);
  79    bo_reference(&brw->vs.prog_bo, NULL);
  80    bo_reference(&brw->vs.state_bo, NULL);
  81    bo_reference(&brw->vs.bind_bo, NULL);
  82    bo_reference(&brw->gs.prog_bo, NULL);
  83    bo_reference(&brw->gs.state_bo, NULL);
  84    bo_reference(&brw->clip.prog_bo, NULL);
  85    bo_reference(&brw->clip.state_bo, NULL);
  86    bo_reference(&brw->clip.vp_bo, NULL);
  87    bo_reference(&brw->sf.prog_bo, NULL);
  88    bo_reference(&brw->sf.state_bo, NULL);
  89    bo_reference(&brw->sf.vp_bo, NULL);
  90
  91    for (i = 0; i < Elements(brw->wm.sdc_bo); i++)
  92       bo_reference(&brw->wm.sdc_bo[i], NULL);
  93
  94    bo_reference(&brw->wm.bind_bo, NULL);
  95
  96    for (i = 0; i < Elements(brw->wm.surf_bo); i++)
  97       bo_reference(&brw->wm.surf_bo[i], NULL);
  98
  99    bo_reference(&brw->wm.sampler_bo, NULL);
 100    bo_reference(&brw->wm.prog_bo, NULL);
 101    bo_reference(&brw->wm.state_bo, NULL);
 102 }
 103
 104
 105 struct pipe_context *brw_create_context(struct pipe_screen *screen)
 106 {
 107    struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
 108
 109    if (!brw) {
 110       debug_printf("%s: failed to alloc context\n", __FUNCTION__);
 111       return NULL;
 112    }
 113
 114    brw->base.screen = screen;
 115    brw->base.destroy = brw_destroy_context;
 116    brw->sws = brw_screen(screen)->sws;
 117    brw->chipset = brw_screen(screen)->chipset;
 118
 119    brw_pipe_blend_init( brw );
 120    brw_pipe_depth_stencil_init( brw );
 121    brw_pipe_framebuffer_init( brw );
 122    brw_pipe_flush_init( brw );
 123    brw_pipe_misc_init( brw );
 124    brw_pipe_query_init( brw );
 125    brw_pipe_rast_init( brw );
 126    brw_pipe_sampler_init( brw );
 127    brw_pipe_shader_init( brw );
 128    brw_pipe_vertex_init( brw );
 129    brw_pipe_clear_init( brw );
 130
 131    brw_hw_cc_init( brw );
 132
 133    brw_init_state( brw );
 134    brw_draw_init( brw );
 135
 136    brw->state.dirty.mesa = ~0;
 137    brw->state.dirty.brw = ~0;
 138
 139    brw->flags.always_emit_state = 0;
 140
 141    make_empty_list(&brw->query.active_head);
 142
 143    brw->batch = brw_batchbuffer_alloc( brw->sws, brw->chipset );
 144    if (brw->batch == NULL)
 145       goto fail;
 146
 147    return &brw->base;
 148
 149 fail:
 150    if (brw->batch)
 151       brw_batchbuffer_free( brw->batch );
 152    return NULL;
 153 }
 154