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_resource.h"
  43 #include "brw_screen.h"
  44
  45
  46 static void brw_destroy_context( struct pipe_context *pipe )
  47 {
  48    struct brw_context *brw = brw_context(pipe);
  49    int i;
  50
  51    brw_context_flush( brw );
  52    brw_batchbuffer_free( brw->batch );
  53    brw_destroy_state(brw);
  54
  55    brw_draw_cleanup( brw );
  56
  57    brw_pipe_blend_cleanup( brw );
  58    brw_pipe_depth_stencil_cleanup( brw );
  59    brw_pipe_framebuffer_cleanup( brw );
  60    brw_pipe_flush_cleanup( brw );
  61    brw_pipe_misc_cleanup( brw );
  62    brw_pipe_query_cleanup( brw );
  63    brw_pipe_rast_cleanup( brw );
  64    brw_pipe_sampler_cleanup( brw );
  65    brw_pipe_shader_cleanup( brw );
  66    brw_pipe_vertex_cleanup( brw );
  67    brw_pipe_clear_cleanup( brw );
  68
  69    brw_hw_cc_cleanup( brw );
  70
  71
  72    FREE(brw->wm.compile_data);
  73
  74    for (i = 0; i < brw->curr.fb.nr_cbufs; i++)
  75       pipe_surface_reference(&brw->curr.fb.cbufs[i], NULL);
  76    brw->curr.fb.nr_cbufs = 0;
  77    pipe_surface_reference(&brw->curr.fb.zsbuf, NULL);
  78
  79    bo_reference(&brw->curbe.curbe_bo, NULL);
  80    bo_reference(&brw->vs.prog_bo, NULL);
  81    bo_reference(&brw->vs.state_bo, NULL);
  82    bo_reference(&brw->vs.bind_bo, NULL);
  83    bo_reference(&brw->gs.prog_bo, NULL);
  84    bo_reference(&brw->gs.state_bo, NULL);
  85    bo_reference(&brw->clip.prog_bo, NULL);
  86    bo_reference(&brw->clip.state_bo, NULL);
  87    bo_reference(&brw->clip.vp_bo, NULL);
  88    bo_reference(&brw->sf.prog_bo, NULL);
  89    bo_reference(&brw->sf.state_bo, NULL);
  90    bo_reference(&brw->sf.vp_bo, NULL);
  91
  92    for (i = 0; i < Elements(brw->wm.sdc_bo); i++)
  93       bo_reference(&brw->wm.sdc_bo[i], NULL);
  94
  95    bo_reference(&brw->wm.bind_bo, NULL);
  96
  97    for (i = 0; i < Elements(brw->wm.surf_bo); i++)
  98       bo_reference(&brw->wm.surf_bo[i], NULL);
  99
 100    bo_reference(&brw->wm.sampler_bo, NULL);
 101    bo_reference(&brw->wm.prog_bo, NULL);
 102    bo_reference(&brw->wm.state_bo, NULL);
 103 }
 104
 105
 106 struct pipe_context *brw_create_context(struct pipe_screen *screen,
 107                                         void *priv)
 108 {
 109    struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
 110    struct brw_screen *brs = brw_screen(screen);
 111    if (!brw) {
 112       debug_printf("%s: failed to alloc context\n", __FUNCTION__);
 113       return NULL;
 114    }
 115
 116    brw->base.screen = screen;
 117    brw->base.priv = priv;
 118    brw->base.destroy = brw_destroy_context;
 119    brw->sws = brw_screen(screen)->sws;
 120    brw->is_g4x = brs->is_g4x;
 121    brw->needs_ff_sync = brs->needs_ff_sync;
 122    brw->has_negative_rhw_bug = brs->has_negative_rhw_bug;
 123    brw->gen = brs->gen;
 124
 125    brw_init_resource_functions( brw );
 126    brw_pipe_blend_init( brw );
 127    brw_pipe_depth_stencil_init( brw );
 128    brw_pipe_framebuffer_init( brw );
 129    brw_pipe_flush_init( brw );
 130    brw_pipe_misc_init( brw );
 131    brw_pipe_query_init( brw );
 132    brw_pipe_rast_init( brw );
 133    brw_pipe_sampler_init( brw );
 134    brw_pipe_shader_init( brw );
 135    brw_pipe_vertex_init( brw );
 136    brw_pipe_clear_init( brw );
 137    brw_pipe_surface_init( brw );
 138
 139    brw_hw_cc_init( brw );
 140
 141    brw_init_state( brw );
 142    brw_draw_init( brw );
 143
 144    brw->state.dirty.mesa = ~0;
 145    brw->state.dirty.brw = ~0;
 146
 147    brw->flags.always_emit_state = 0;
 148
 149    make_empty_list(&brw->query.active_head);
 150
 151    brw->batch = brw_batchbuffer_alloc( brw->sws );
 152    if (brw->batch == NULL)
 153       goto fail;
 154
 155    return &brw->base;
 156
 157 fail:
 158    if (brw->batch)
 159       brw_batchbuffer_free( brw->batch );
 160    return NULL;
 161 }
 162