Home | History | Annotate | Download | only in i915 
      1 /**************************************************************************
      2  *
      3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * 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, sub license, 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 portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 /* Author:
     29  *    Keith Whitwell <keith (at) tungstengraphics.com>
     30  */
     31 
     32 
     33 #include "pipe/p_defines.h"
     34 #include "draw/draw_context.h"
     35 #include "i915_context.h"
     36 #include "i915_reg.h"
     37 #include "i915_batch.h"
     38 #include "i915_debug.h"
     39 
     40 
     41 static void i915_flush_pipe( struct pipe_context *pipe,
     42                              struct pipe_fence_handle **fence )
     43 {
     44    struct i915_context *i915 = i915_context(pipe);
     45 
     46    /* Only shortcut this if we have no fence, otherwise we must flush the
     47     * empty batchbuffer to get our fence back.
     48     */
     49    if (!fence && i915->batch && (i915->batch->map == i915->batch->ptr)) {
     50       return;
     51    }
     52 
     53    /* If there are no flags, just flush pending commands to hardware:
     54     */
     55    FLUSH_BATCH(fence);
     56 
     57    I915_DBG(DBG_FLUSH, "%s: #####\n", __FUNCTION__);
     58 }
     59 
     60 void i915_init_flush_functions( struct i915_context *i915 )
     61 {
     62    i915->base.flush = i915_flush_pipe;
     63 }
     64 
     65 /**
     66  * Here we handle all the notifications that needs to go out on a flush.
     67  * XXX might move above function to i915_pipe_flush.c and leave this here.
     68  */
     69 void i915_flush(struct i915_context *i915, struct pipe_fence_handle **fence)
     70 {
     71    struct i915_winsys_batchbuffer *batch = i915->batch;
     72 
     73    batch->iws->batchbuffer_flush(batch, fence);
     74    i915->vbo_flushed = 1;
     75    i915->hardware_dirty = ~0;
     76    i915->immediate_dirty = ~0;
     77    i915->dynamic_dirty = ~0;
     78    i915->static_dirty = ~0;
     79    /* kernel emits flushes in between batchbuffers */
     80    i915->flush_dirty = 0;
     81    i915->fired_vertices += i915->queued_vertices;
     82    i915->queued_vertices = 0;
     83 }
     84