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