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_simple_list.h"
  35
  36 #include "brw_context.h"
  37 #include "brw_defines.h"
  38 #include "brw_draw.h"
  39 #include "brw_state.h"
  40 #include "brw_batchbuffer.h"
  41 #include "brw_winsys.h"
  42
  43
  44 static void brw_destroy_context( struct pipe_context *pipe )
  45 {
  46    struct brw_context *brw = brw_context(pipe);
  47    int i;
  48
  49    brw_destroy_state(brw);
  50
  51    brw_draw_cleanup( brw );
  52
  53    brw_pipe_blend_cleanup( brw );
  54    brw_pipe_depth_stencil_cleanup( brw );
  55    brw_pipe_framebuffer_cleanup( brw );
  56    brw_pipe_flush_cleanup( brw );
  57    brw_pipe_misc_cleanup( brw );
  58    brw_pipe_query_cleanup( brw );
  59    brw_pipe_rast_cleanup( brw );
  60    brw_pipe_sampler_cleanup( brw );
  61    brw_pipe_shader_cleanup( brw );
  62    brw_pipe_vertex_cleanup( brw );
  63
  64    FREE(brw->wm.compile_data);
  65
  66    for (i = 0; i < brw->curr.fb.nr_cbufs; i++)
  67       pipe_surface_reference(&brw->curr.fb.cbufs[i], NULL);
  68    brw->curr.fb.nr_cbufs = 0;
  69    pipe_surface_reference(&brw->curr.fb.zsbuf, NULL);
  70
  71    brw->sws->bo_unreference(brw->curbe.curbe_bo);
  72    brw->sws->bo_unreference(brw->vs.prog_bo);
  73    brw->sws->bo_unreference(brw->vs.state_bo);
  74    brw->sws->bo_unreference(brw->vs.bind_bo);
  75    brw->sws->bo_unreference(brw->gs.prog_bo);
  76    brw->sws->bo_unreference(brw->gs.state_bo);
  77    brw->sws->bo_unreference(brw->clip.prog_bo);
  78    brw->sws->bo_unreference(brw->clip.state_bo);
  79    brw->sws->bo_unreference(brw->clip.vp_bo);
  80    brw->sws->bo_unreference(brw->sf.prog_bo);
  81    brw->sws->bo_unreference(brw->sf.state_bo);
  82    brw->sws->bo_unreference(brw->sf.vp_bo);
  83    for (i = 0; i < BRW_MAX_TEX_UNIT; i++)
  84       brw->sws->bo_unreference(brw->wm.sdc_bo[i]);
  85    brw->sws->bo_unreference(brw->wm.bind_bo);
  86    for (i = 0; i < BRW_WM_MAX_SURF; i++)
  87       brw->sws->bo_unreference(brw->wm.surf_bo[i]);
  88    brw->sws->bo_unreference(brw->wm.sampler_bo);
  89    brw->sws->bo_unreference(brw->wm.prog_bo);
  90    brw->sws->bo_unreference(brw->wm.state_bo);
  91    brw->sws->bo_unreference(brw->cc.prog_bo);
  92    brw->sws->bo_unreference(brw->cc.state_bo);
  93    brw->sws->bo_unreference(brw->cc.vp_bo);
  94 }
  95
  96
  97 struct pipe_context *brw_create_context(struct pipe_screen *screen)
  98 {
  99    struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
 100
 101    if (!brw) {
 102       debug_printf("%s: failed to alloc context\n", __FUNCTION__);
 103       return GL_FALSE;
 104    }
 105
 106    /* We want the GLSL compiler to emit code that uses condition codes */
 107    //ctx->Shader.EmitCondCodes = GL_TRUE;
 108    //ctx->Shader.EmitNVTempInitialization = GL_TRUE;
 109
 110    brw->base.screen = screen;
 111    brw->base.destroy = brw_destroy_context;
 112
 113    brw_pipe_blend_init( brw );
 114    brw_pipe_depth_stencil_init( brw );
 115    brw_pipe_framebuffer_init( brw );
 116    brw_pipe_flush_init( brw );
 117    brw_pipe_misc_init( brw );
 118    brw_pipe_query_init( brw );
 119    brw_pipe_rast_init( brw );
 120    brw_pipe_sampler_init( brw );
 121    brw_pipe_shader_init( brw );
 122    brw_pipe_vertex_init( brw );
 123
 124    brw_init_state( brw );
 125    brw_draw_init( brw );
 126
 127    brw->state.dirty.mesa = ~0;
 128    brw->state.dirty.brw = ~0;
 129
 130    brw->flags.always_emit_state = 0;
 131
 132    make_empty_list(&brw->query.active_head);
 133
 134
 135    return &brw->base;
 136 }
 137