1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
31 #include "i915_winsys.h"
33 struct i915_batchbuffer
35 struct pipe_buffer
*buffer
;
36 struct i915_winsys
*winsys
;
49 i915_batchbuffer_check( struct i915_batchbuffer
*batch
,
53 return dwords
* 4 <= batch
->size
- (batch
->ptr
- batch
->map
) &&
54 relocs
<= (batch
->max_relocs
- batch
->relocs
);
58 i915_batchbuffer_space( struct i915_batchbuffer
*batch
)
60 return batch
->size
- (batch
->ptr
- batch
->map
);
64 i915_batchbuffer_dword( struct i915_batchbuffer
*batch
,
67 if (i915_batchbuffer_space(batch
) < 4)
70 *(unsigned *)batch
->ptr
= dword
;
75 i915_batchbuffer_write( struct i915_batchbuffer
*batch
,
79 if (i915_batchbuffer_space(batch
) < size
)
82 memcpy(data
, batch
->ptr
, size
);
87 i915_batchbuffer_reloc( struct i915_batchbuffer
*batch
,
88 struct pipe_buffer
*buffer
,
92 batch
->winsys
->batch_reloc( batch
->winsys
, buffer
, flags
, offset
);
96 i915_batchbuffer_flush( struct i915_batchbuffer
*batch
,
97 struct pipe_fence_handle
**fence
)
99 batch
->winsys
->batch_flush( batch
->winsys
, fence
);
102 #define BEGIN_BATCH( dwords, relocs ) \
103 (i915_batchbuffer_check( i915->batch, dwords, relocs ))
105 #define OUT_BATCH( dword ) \
106 i915_batchbuffer_dword( i915->batch, dword )
108 #define OUT_RELOC( buf, flags, delta ) \
109 i915_batchbuffer_reloc( i915->batch, buf, flags, delta )
111 #define FLUSH_BATCH(fence) do { \
112 i915->winsys->batch_flush( i915->winsys, fence ); \
113 i915->hardware_dirty = ~0; \