src/mesa/drivers/dri/i965/brw_vtbl.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
  34
  35 #include "glheader.h"
  36 #include "mtypes.h"
  37 #include "imports.h"
  38 #include "macros.h"
  39 #include "colormac.h"
  40
  41 #include "intel_batchbuffer.h"
  42 #include "intel_regions.h"
  43
  44 #include "brw_context.h"
  45 #include "brw_defines.h"
  46 #include "brw_state.h"
  47
  48 #include "brw_draw.h"
  49 #include "brw_exec.h"
  50 #include "brw_save.h"
  51 #include "brw_state.h"
  52 #include "brw_aub.h"
  53 #include "brw_fallback.h"
  54 #include "brw_vs.h"
  55
  56
  57
  58 /* called from intelDestroyContext()
  59  */
  60 static void brw_destroy_context( struct intel_context *intel )
  61 {
  62    GLcontext *ctx = &intel->ctx;
  63    struct brw_context *brw = brw_context(&intel->ctx);
  64
  65    brw_aub_destroy(brw);
  66
  67    brw_destroy_metaops(brw);
  68    brw_destroy_state(brw);
  69    brw_draw_destroy( brw );
  70
  71    brw_exec_destroy( ctx );
  72    brw_save_destroy( ctx );
  73
  74    brw_ProgramCacheDestroy( ctx );
  75 }
  76
  77 /* called from intelDrawBuffer()
  78  */
  79 static void brw_set_draw_region( struct intel_context *intel,
  80                                   struct intel_region *draw_region,
  81                                   struct intel_region *depth_region)
  82 {
  83    struct brw_context *brw = brw_context(&intel->ctx);
  84
  85    intel_region_release(intel, &brw->state.draw_region);
  86    intel_region_release(intel, &brw->state.depth_region);
  87    intel_region_reference(&brw->state.draw_region, draw_region);
  88    intel_region_reference(&brw->state.depth_region, depth_region);
  89 }
  90
  91
  92 /* called from intelFlushBatchLocked
  93  */
  94 static void brw_lost_hardware( struct intel_context *intel )
  95 {
  96    struct brw_context *brw = brw_context(&intel->ctx);
  97
  98    /* Note that we effectively lose the context after this.
  99     *
 100     * Setting this flag provokes a state buffer wrap and also flushes
 101     * the hardware caches.
 102     */
 103    brw->state.dirty.brw |= BRW_NEW_CONTEXT;
 104
 105    /* Which means there shouldn't be any commands already queued:
 106     */
 107    assert(intel->batch->ptr == intel->batch->map + intel->batch->offset);
 108
 109    brw->state.dirty.mesa |= ~0;
 110    brw->state.dirty.brw |= ~0;
 111    brw->state.dirty.cache |= ~0;
 112 }
 113
 114 static void brw_note_fence( struct intel_context *intel,
 115                             GLuint fence )
 116 {
 117    brw_context(&intel->ctx)->state.dirty.brw |= BRW_NEW_FENCE;
 118 }
 119
 120 static void brw_note_unlock( struct intel_context *intel )
 121 {
 122   struct brw_context *brw = brw_context(&intel->ctx);
 123
 124    brw_pool_check_wrap(brw, &brw->pool[BRW_GS_POOL]);
 125    brw_pool_check_wrap(brw, &brw->pool[BRW_SS_POOL]);
 126 }
 127
 128
 129 void brw_do_flush( struct brw_context *brw,
 130                    GLuint flags )
 131 {
 132    struct brw_mi_flush flush;
 133    memset(&flush, 0, sizeof(flush));
 134    flush.opcode = CMD_MI_FLUSH;
 135    flush.flags = flags;
 136    BRW_BATCH_STRUCT(brw, &flush);
 137 }
 138
 139
 140 static void brw_emit_flush( struct intel_context *intel,
 141                         GLuint unused )
 142 {
 143    brw_do_flush(brw_context(&intel->ctx),
 144                 BRW_FLUSH_STATE_CACHE|BRW_FLUSH_READ_CACHE);
 145 }
 146
 147
 148 /* called from intelWaitForIdle() and intelFlush()
 149  *
 150  * For now, just flush everything.  Could be smarter later.
 151  */
 152 static GLuint brw_flush_cmd( void )
 153 {
 154    struct brw_mi_flush flush;
 155    flush.opcode = CMD_MI_FLUSH;
 156    flush.pad = 0;
 157    flush.flags = BRW_FLUSH_READ_CACHE | BRW_FLUSH_STATE_CACHE;
 158    return *(GLuint *)&flush;
 159 }
 160
 161
 162
 163
 164 static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
 165 {
 166    GLcontext *ctx = &intel->ctx;
 167
 168    brw_exec_invalidate_state(ctx, new_state);
 169    brw_save_invalidate_state(ctx, new_state);
 170 }
 171
 172
 173 void brwInitVtbl( struct brw_context *brw )
 174 {
 175    brw->intel.vtbl.check_vertex_size = 0;
 176    brw->intel.vtbl.emit_state = 0;
 177    brw->intel.vtbl.reduced_primitive_state = 0;
 178    brw->intel.vtbl.render_start = 0;
 179    brw->intel.vtbl.update_texture_state = 0;
 180
 181    brw->intel.vtbl.invalidate_state = brw_invalidate_state;
 182    brw->intel.vtbl.note_fence = brw_note_fence;
 183    brw->intel.vtbl.note_unlock = brw_note_unlock;
 184    brw->intel.vtbl.lost_hardware = brw_lost_hardware;
 185    brw->intel.vtbl.destroy = brw_destroy_context;
 186    brw->intel.vtbl.set_draw_region = brw_set_draw_region;
 187    brw->intel.vtbl.flush_cmd = brw_flush_cmd;
 188    brw->intel.vtbl.emit_flush = brw_emit_flush;
 189 }
 190