workbench/libs/mesa/src/gallium/drivers/i915/i915_batch.h

   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 #ifndef I915_BATCH_H
  29 #define I915_BATCH_H
  30
  31 #include "i915_batchbuffer.h"
  32 #include "i915_context.h"
  33
  34
  35 #define BEGIN_BATCH(dwords) \
  36    (i915_winsys_batchbuffer_check(i915->batch, dwords))
  37
  38 #define OUT_BATCH(dword) \
  39    i915_winsys_batchbuffer_dword(i915->batch, dword)
  40
  41 #define OUT_BATCH_F(f) \
  42    i915_winsys_batchbuffer_float(i915->batch, f)
  43
  44 #define OUT_RELOC(buf, usage, offset) \
  45    i915_winsys_batchbuffer_reloc(i915->batch, buf, usage, offset, false)
  46
  47 #define OUT_RELOC_FENCED(buf, usage, offset) \
  48    i915_winsys_batchbuffer_reloc(i915->batch, buf, usage, offset, true)
  49
  50 #define FLUSH_BATCH(fence) \
  51    i915_flush(i915, fence)
  52
  53 /************************************************************************
  54  * i915_flush.c
  55  */
  56 void i915_flush(struct i915_context *i915, struct pipe_fence_handle **fence);
  57
  58 /*
  59  * Flush if the current color buf is idle and we have more than 256 vertices
  60  * queued, or if the current color buf is busy and we have more than 4096
  61  * vertices queued.
  62  */
  63 static INLINE void i915_flush_heuristically(struct i915_context* i915,
  64                                             int num_vertex)
  65 {
  66    struct i915_winsys *iws = i915->iws;
  67    i915->vertices_since_last_flush += num_vertex;
  68    if ( i915->vertices_since_last_flush > 4096
  69       || ( i915->vertices_since_last_flush > 256 &&
  70            !iws->buffer_is_busy(iws, i915->current.cbuf_bo)) )
  71       FLUSH_BATCH(NULL);
  72 }
  73
  74
  75 #endif