src/mesa/drivers/dri/i965/brw_exec.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Keith Whitwell <keith@tungstengraphics.com>
  26  */
  27
  28
  29 #include "api_arrayelt.h"
  30 #include "glheader.h"
  31 #include "imports.h"
  32 #include "context.h"
  33 #include "macros.h"
  34 #include "mtypes.h"
  35 #include "dlist.h"
  36 #include "vtxfmt.h"
  37
  38 #include "brw_exec.h"
  39
  40
  41 void brw_exec_init( GLcontext *ctx )
  42 {
  43    struct brw_exec_context *exec = CALLOC_STRUCT(brw_exec_context);
  44
  45    if (ctx->swtnl_im == NULL) {
  46       ctx->swtnl_im = CALLOC_STRUCT(brw_exec_save);
  47    }
  48
  49    exec->ctx = ctx;
  50    IMM_CONTEXT(ctx)->exec = exec;
  51
  52    /* Initialize the arrayelt helper
  53     */
  54    if (!ctx->aelt_context &&
  55        !_ae_create_context( ctx ))
  56       return;
  57
  58    brw_exec_vtx_init( exec );
  59    brw_exec_array_init( exec );
  60
  61    ctx->Driver.NeedFlush = 0;
  62    ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
  63    ctx->Driver.FlushVertices = brw_exec_FlushVertices;
  64
  65    exec->eval.recalculate_maps = 1;
  66    exec->array.recalculate_inputs = 1;
  67 }
  68
  69
  70 void brw_exec_destroy( GLcontext *ctx )
  71 {
  72    struct brw_exec_context *exec = IMM_CONTEXT(ctx)->exec;
  73
  74    if (ctx->aelt_context) {
  75       _ae_destroy_context( ctx );
  76       ctx->aelt_context = NULL;
  77    }
  78
  79    brw_exec_vtx_destroy( exec );
  80    brw_exec_array_destroy( exec );
  81
  82    if (exec) {
  83       FREE(exec);
  84       IMM_CONTEXT(ctx)->exec = NULL;
  85    }
  86
  87    if (IMM_CONTEXT(ctx)->exec == NULL &&
  88        IMM_CONTEXT(ctx)->save == NULL) {
  89       FREE(IMM_CONTEXT(ctx));
  90       ctx->swtnl_im = NULL;
  91    }
  92 }
  93
  94 /* Really want to install these callbacks to a central facility to be
  95  * invoked according to the state flags.  That will have to wait for a
  96  * mesa rework:
  97  */
  98 void brw_exec_invalidate_state( GLcontext *ctx, GLuint new_state )
  99 {
 100    struct brw_exec_context *exec = IMM_CONTEXT(ctx)->exec;
 101
 102    if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
 103       exec->eval.recalculate_maps = 1;
 104
 105    if (new_state & (_NEW_PROGRAM|_NEW_ARRAY))
 106       exec->array.recalculate_inputs = 1;
 107
 108    _ae_invalidate_state(ctx, new_state);
 109 }
 110
 111
 112 void brw_exec_wakeup( GLcontext *ctx )
 113 {
 114    struct brw_exec_context *exec = IMM_CONTEXT(ctx)->exec;
 115
 116    ctx->Driver.FlushVertices = brw_exec_FlushVertices;
 117    ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
 118
 119    /* Hook our functions into exec and compile dispatch tables.
 120     */
 121    _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
 122
 123    /* Assume we haven't been getting state updates either:
 124     */
 125    brw_exec_invalidate_state( ctx, ~0 );
 126 }
 127
 128
 129