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_state.h"
  50 #include "brw_fallback.h"
  51 #include "brw_vs.h"
  52 #include <stdarg.h>
  53
  54
  55 /* called from intelDestroyContext()
  56  */
  57 static void brw_destroy_context( struct intel_context *intel )
  58 {
  59    GLcontext *ctx = &intel->ctx;
  60    struct brw_context *brw = brw_context(&intel->ctx);
  61
  62    brw_destroy_metaops(brw);
  63    brw_destroy_state(brw);
  64    brw_draw_destroy( brw );
  65
  66    brw_ProgramCacheDestroy( ctx );
  67    brw_FrameBufferTexDestroy( brw );
  68 }
  69
  70 /* called from intelDrawBuffer()
  71  */
  72 static void brw_set_draw_region( struct intel_context *intel,
  73                                   struct intel_region *draw_regions[],
  74                                   struct intel_region *depth_region,
  75                                 GLuint num_regions)
  76 {
  77    struct brw_context *brw = brw_context(&intel->ctx);
  78    int i;
  79    if (brw->state.depth_region != depth_region)
  80       brw->state.dirty.brw |= BRW_NEW_DEPTH_BUFFER;
  81    for (i = 0; i < brw->state.nr_draw_regions; i++)
  82        intel_region_release(&brw->state.draw_regions[i]);
  83    intel_region_release(&brw->state.depth_region);
  84    for (i = 0; i < num_regions; i++)
  85        intel_region_reference(&brw->state.draw_regions[i], draw_regions[i]);
  86    intel_region_reference(&brw->state.depth_region, depth_region);
  87    brw->state.nr_draw_regions = num_regions;
  88 }
  89
  90
  91 /* called from intelFlushBatchLocked
  92  */
  93 static void brw_new_batch( struct intel_context *intel )
  94 {
  95    struct brw_context *brw = brw_context(&intel->ctx);
  96
  97    /* Check that we didn't just wrap our batchbuffer at a bad time. */
  98    assert(!brw->no_batch_wrap);
  99
 100    dri_bo_unreference(brw->curbe.curbe_bo);
 101    brw->curbe.curbe_bo = NULL;
 102
 103    /* Mark all context state as needing to be re-emitted.
 104     * This is probably not as severe as on 915, since almost all of our state
 105     * is just in referenced buffers.
 106     */
 107    brw->state.dirty.brw |= BRW_NEW_CONTEXT;
 108
 109    brw->state.dirty.mesa |= ~0;
 110    brw->state.dirty.brw |= ~0;
 111    brw->state.dirty.cache |= ~0;
 112
 113    /* Move to the end of the current upload buffer so that we'll force choosing
 114     * a new buffer next time.
 115     */
 116    if (brw->vb.upload.bo != NULL) {
 117       dri_bo_unreference(brw->vb.upload.bo);
 118       brw->vb.upload.bo = NULL;
 119       brw->vb.upload.offset = 0;
 120    }
 121 }
 122
 123 static void brw_note_fence( struct intel_context *intel,
 124                             GLuint fence )
 125 {
 126    brw_context(&intel->ctx)->state.dirty.brw |= BRW_NEW_FENCE;
 127 }
 128
 129 static void brw_note_unlock( struct intel_context *intel )
 130 {
 131    struct brw_context *brw = brw_context(&intel->ctx);
 132
 133    brw_state_cache_check_size(brw);
 134
 135    brw_context(&intel->ctx)->state.dirty.brw |= BRW_NEW_LOCK;
 136 }
 137
 138
 139 void brw_do_flush( struct brw_context *brw,
 140                    GLuint flags )
 141 {
 142    struct brw_mi_flush flush;
 143    memset(&flush, 0, sizeof(flush));
 144    flush.opcode = CMD_MI_FLUSH;
 145    flush.flags = flags;
 146    BRW_BATCH_STRUCT(brw, &flush);
 147 }
 148
 149
 150 static void brw_emit_flush( struct intel_context *intel,
 151                         GLuint unused )
 152 {
 153    brw_do_flush(brw_context(&intel->ctx),
 154                 BRW_FLUSH_STATE_CACHE|BRW_FLUSH_READ_CACHE);
 155 }
 156
 157
 158 /* called from intelWaitForIdle() and intelFlush()
 159  *
 160  * For now, just flush everything.  Could be smarter later.
 161  */
 162 static GLuint brw_flush_cmd( void )
 163 {
 164    struct brw_mi_flush flush;
 165    flush.opcode = CMD_MI_FLUSH;
 166    flush.pad = 0;
 167    flush.flags = BRW_FLUSH_READ_CACHE | BRW_FLUSH_STATE_CACHE;
 168    return *(GLuint *)&flush;
 169 }
 170
 171 static void brw_invalidate_state( struct intel_context *intel, GLuint new_state )
 172 {
 173    /* nothing */
 174 }
 175
 176
 177 void brwInitVtbl( struct brw_context *brw )
 178 {
 179    brw->intel.vtbl.check_vertex_size = 0;
 180    brw->intel.vtbl.emit_state = 0;
 181    brw->intel.vtbl.reduced_primitive_state = 0;
 182    brw->intel.vtbl.render_start = 0;
 183    brw->intel.vtbl.update_texture_state = 0;
 184
 185    brw->intel.vtbl.invalidate_state = brw_invalidate_state;
 186    brw->intel.vtbl.note_fence = brw_note_fence;
 187    brw->intel.vtbl.note_unlock = brw_note_unlock;
 188    brw->intel.vtbl.new_batch = brw_new_batch;
 189    brw->intel.vtbl.destroy = brw_destroy_context;
 190    brw->intel.vtbl.set_draw_region = brw_set_draw_region;
 191    brw->intel.vtbl.flush_cmd = brw_flush_cmd;
 192    brw->intel.vtbl.emit_flush = brw_emit_flush;
 193    brw->intel.vtbl.debug_batch = brw_debug_batch;
 194 }
 195