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_BATCHBUFFER_H
29 #define I915_BATCHBUFFER_H
30
31 #include "i915_winsys.h"
32 #include "util/u_debug.h"
33
34 struct i915_context;
35
36 static INLINE size_t
i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer * batch)37 i915_winsys_batchbuffer_space(struct i915_winsys_batchbuffer *batch)
38 {
39 return batch->size - (batch->ptr - batch->map);
40 }
41
42 static INLINE boolean
i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer * batch,size_t dwords)43 i915_winsys_batchbuffer_check(struct i915_winsys_batchbuffer *batch,
44 size_t dwords)
45 {
46 return dwords * 4 <= i915_winsys_batchbuffer_space(batch);
47 }
48
49 static INLINE void
i915_winsys_batchbuffer_dword_unchecked(struct i915_winsys_batchbuffer * batch,unsigned dword)50 i915_winsys_batchbuffer_dword_unchecked(struct i915_winsys_batchbuffer *batch,
51 unsigned dword)
52 {
53 *(unsigned *)batch->ptr = dword;
54 batch->ptr += 4;
55 }
56
57 static INLINE void
i915_winsys_batchbuffer_float(struct i915_winsys_batchbuffer * batch,float f)58 i915_winsys_batchbuffer_float(struct i915_winsys_batchbuffer *batch,
59 float f)
60 {
61 union { float f; unsigned int ui; } uif;
62 uif.f = f;
63 assert (i915_winsys_batchbuffer_space(batch) >= 4);
64 i915_winsys_batchbuffer_dword_unchecked(batch, uif.ui);
65 }
66
67 static INLINE void
i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer * batch,unsigned dword)68 i915_winsys_batchbuffer_dword(struct i915_winsys_batchbuffer *batch,
69 unsigned dword)
70 {
71 assert (i915_winsys_batchbuffer_space(batch) >= 4);
72 i915_winsys_batchbuffer_dword_unchecked(batch, dword);
73 }
74
75 static INLINE void
i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer * batch,void * data,size_t size)76 i915_winsys_batchbuffer_write(struct i915_winsys_batchbuffer *batch,
77 void *data,
78 size_t size)
79 {
80 assert (i915_winsys_batchbuffer_space(batch) >= size);
81
82 memcpy(batch->ptr, data, size);
83 batch->ptr += size;
84 }
85
86 static INLINE boolean
i915_winsys_validate_buffers(struct i915_winsys_batchbuffer * batch,struct i915_winsys_buffer ** buffers,int num_of_buffers)87 i915_winsys_validate_buffers(struct i915_winsys_batchbuffer *batch,
88 struct i915_winsys_buffer **buffers,
89 int num_of_buffers)
90 {
91 return batch->iws->validate_buffers(batch, buffers, num_of_buffers);
92 }
93
94 static INLINE int
i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer * batch,struct i915_winsys_buffer * buffer,enum i915_winsys_buffer_usage usage,size_t offset,boolean fenced)95 i915_winsys_batchbuffer_reloc(struct i915_winsys_batchbuffer *batch,
96 struct i915_winsys_buffer *buffer,
97 enum i915_winsys_buffer_usage usage,
98 size_t offset, boolean fenced)
99 {
100 return batch->iws->batchbuffer_reloc(batch, buffer, usage, offset, fenced);
101 }
102
103 #endif
104