src/gallium/drivers/i965/brw_pipe_flush.c

   1
   2 /**
   3  * called from intel_batchbuffer_flush and children before sending a
   4  * batchbuffer off.
   5  */
   6 static void brw_finish_batch(struct intel_context *intel)
   7 {
   8    struct brw_context *brw = brw_context(&intel->ctx);
   9    brw_emit_query_end(brw);
  10 }
  11
  12
  13 /**
  14  * called from intelFlushBatchLocked
  15  */
  16 static void brw_new_batch( struct intel_context *intel )
  17 {
  18    struct brw_context *brw = brw_context(&intel->ctx);
  19
  20    /* Check that we didn't just wrap our batchbuffer at a bad time. */
  21    assert(!brw->no_batch_wrap);
  22
  23    brw->curbe.need_new_bo = GL_TRUE;
  24
  25    /* Mark all context state as needing to be re-emitted.
  26     * This is probably not as severe as on 915, since almost all of our state
  27     * is just in referenced buffers.
  28     */
  29    brw->state.dirty.brw |= BRW_NEW_CONTEXT;
  30
  31    brw->state.dirty.mesa |= ~0;
  32    brw->state.dirty.brw |= ~0;
  33    brw->state.dirty.cache |= ~0;
  34
  35    /* Move to the end of the current upload buffer so that we'll force choosing
  36     * a new buffer next time.
  37     */
  38    if (brw->vb.upload.bo != NULL) {
  39       dri_bo_unreference(brw->vb.upload.bo);
  40       brw->vb.upload.bo = NULL;
  41       brw->vb.upload.offset = 0;
  42    }
  43 }
  44
  45
  46 static void brw_note_fence( struct intel_context *intel, GLuint fence )
  47 {
  48    brw_context(&intel->ctx)->state.dirty.brw |= BRW_NEW_FENCE;
  49 }
  50
  51 /* called from intelWaitForIdle() and intelFlush()
  52  *
  53  * For now, just flush everything.  Could be smarter later.
  54  */
  55 static GLuint brw_flush_cmd( void )
  56 {
  57    struct brw_mi_flush flush;
  58    flush.opcode = CMD_MI_FLUSH;
  59    flush.pad = 0;
  60    flush.flags = BRW_FLUSH_STATE_CACHE;
  61    return *(GLuint *)&flush;
  62 }
  63
  64