1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
/*
* Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
*/
#include <stdlib.h>
#include <xf86drm.h>
#include "dri_bufpool.h"
#include "dri_bufmgr.h"
#include "intel_context.h"
#include "intel_batchbuffer.h"
#include "intel_winsys.h"
#include "pipe/p_util.h"
#include "pipe/i915simple/i915_winsys.h"
struct intel_i915_winsys {
struct i915_winsys winsys; /**< batch buffer funcs */
struct intel_context *intel;
};
/* Turn a i915simple winsys into an intel/i915simple winsys:
*/
static inline struct intel_i915_winsys *
intel_i915_winsys( struct i915_winsys *sws )
{
return (struct intel_i915_winsys *)sws;
}
/* Simple batchbuffer interface:
*/
static unsigned *intel_i915_batch_start( struct i915_winsys *sws,
unsigned dwords,
unsigned relocs )
{
struct intel_context *intel = intel_i915_winsys(sws)->intel;
/* XXX: check relocs.
*/
if (intel_batchbuffer_space( intel->batch ) >= dwords * 4) {
/* XXX: Hmm, the driver can't really do much with this pointer:
*/
return (unsigned *)intel->batch->ptr;
}
else
return NULL;
}
static void intel_i915_batch_dword( struct i915_winsys *sws,
unsigned dword )
{
struct intel_context *intel = intel_i915_winsys(sws)->intel;
intel_batchbuffer_emit_dword( intel->batch, dword );
}
static void intel_i915_batch_reloc( struct i915_winsys *sws,
struct pipe_buffer_handle *buf,
unsigned access_flags,
unsigned delta )
{
struct intel_context *intel = intel_i915_winsys(sws)->intel;
unsigned flags = DRM_BO_FLAG_MEM_TT;
unsigned mask = DRM_BO_MASK_MEM;
if (access_flags & I915_BUFFER_ACCESS_WRITE) {
flags |= DRM_BO_FLAG_WRITE;
mask |= DRM_BO_FLAG_WRITE;
}
if (access_flags & I915_BUFFER_ACCESS_READ) {
flags |= DRM_BO_FLAG_READ;
mask |= DRM_BO_FLAG_READ;
}
intel_batchbuffer_emit_reloc( intel->batch,
dri_bo( buf ),
flags, mask,
delta );
}
static void intel_i915_batch_flush( struct i915_winsys *sws )
{
struct intel_context *intel = intel_i915_winsys(sws)->intel;
intel_batchbuffer_flush( intel->batch );
// if (0) intel_i915_batch_wait_idle( sws );
}
static void intel_i915_batch_finish( struct i915_winsys *sws )
{
struct intel_context *intel = intel_i915_winsys(sws)->intel;
intel_batchbuffer_finish( intel->batch );
}
/**
* Create i915 hardware rendering context.
*/
struct pipe_context *
intel_create_i915simple( struct intel_context *intel,
struct pipe_winsys *winsys )
{
struct intel_i915_winsys *iws = CALLOC_STRUCT( intel_i915_winsys );
/* Fill in this struct with callbacks that i915simple will need to
* communicate with the window system, buffer manager, etc.
*/
iws->winsys.batch_start = intel_i915_batch_start;
iws->winsys.batch_dword = intel_i915_batch_dword;
iws->winsys.batch_reloc = intel_i915_batch_reloc;
iws->winsys.batch_flush = intel_i915_batch_flush;
iws->winsys.batch_finish = intel_i915_batch_finish;
iws->intel = intel;
/* Create the i915simple context:
*/
return i915_create( winsys,
&iws->winsys,
intel->intelScreen->deviceID );
}
|
