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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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 above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* 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
* VIA, S3 GRAPHICS, 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.
*/
#ifndef SAVAGE_IOCTL_H
#define SAVAGE_IOCTL_H
#include "savagecontext.h"
void savageFlushVertices( savageContextPtr mmesa );
unsigned int savageEmitEventLocked( savageContextPtr imesa, unsigned int flags );
unsigned int savageEmitEvent( savageContextPtr imesa, unsigned int flags );
void savageWaitEvent( savageContextPtr imesa, unsigned int event);
void savageFlushCmdBufLocked( savageContextPtr imesa, GLboolean discard );
void savageFlushCmdBuf( savageContextPtr imesa, GLboolean discard );
void savageDDInitIoctlFuncs( GLcontext *ctx );
void savageSwapBuffers( __DRIdrawablePrivate *dPriv );
#define WAIT_IDLE_EMPTY(imesa) do { \
if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG) \
fprintf (stderr, "WAIT_IDLE_EMPTY in %s\n", __FUNCTION__); \
savageWaitEvent(imesa, \
savageEmitEvent(imesa, SAVAGE_WAIT_2D|SAVAGE_WAIT_3D)); \
} while (0)
#define WAIT_IDLE_EMPTY_LOCKED(imesa) do { \
if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG) \
fprintf (stderr, "WAIT_IDLE_EMPTY_LOCKED in %s\n", __FUNCTION__); \
savageWaitEvent(imesa, savageEmitEventLocked( \
imesa, SAVAGE_WAIT_2D|SAVAGE_WAIT_3D)); \
} while (0)
#define FLUSH_BATCH(imesa) do { \
if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG) \
fprintf (stderr, "FLUSH_BATCH in %s\n", __FUNCTION__); \
savageFlushVertices(imesa); \
savageFlushCmdBuf(imesa, GL_FALSE); \
} while (0)
extern void savageGetDMABuffer( savageContextPtr imesa );
static __inline
void savageReleaseIndexedVerts( savageContextPtr imesa )
{
imesa->firstElt = -1;
}
static __inline
GLboolean savageHaveIndexedVerts( savageContextPtr imesa )
{
return (imesa->firstElt != -1);
}
static __inline
u_int32_t *savageAllocVtxBuf( savageContextPtr imesa, GLuint words )
{
struct savage_vtxbuf_t *buffer = imesa->vtxBuf;
u_int32_t *head;
if (buffer == &imesa->dmaVtxBuf) {
if (!buffer->total) {
LOCK_HARDWARE(imesa);
savageGetDMABuffer(imesa);
UNLOCK_HARDWARE(imesa);
} else if (buffer->used + words > buffer->total) {
if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
fprintf (stderr, "... flushing DMA buffer in %s\n",
__FUNCTION__);
savageReleaseIndexedVerts(imesa);
savageFlushVertices(imesa);
LOCK_HARDWARE(imesa);
savageFlushCmdBufLocked(imesa, GL_TRUE); /* discard DMA buffer */
savageGetDMABuffer(imesa);
UNLOCK_HARDWARE(imesa);
}
} else if (buffer->used + words > buffer->total) {
if (SAVAGE_DEBUG & DEBUG_VERBOSE_MSG)
fprintf (stderr, "... flushing client vertex buffer in %s\n",
__FUNCTION__);
savageReleaseIndexedVerts(imesa);
savageFlushVertices(imesa);
LOCK_HARDWARE(imesa);
savageFlushCmdBufLocked(imesa, GL_FALSE); /* free clientVtxBuf */
UNLOCK_HARDWARE(imesa);
}
head = &buffer->buf[buffer->used];
buffer->used += words;
return head;
}
static __inline
u_int32_t *savageAllocIndexedVerts( savageContextPtr imesa, GLuint n )
{
u_int32_t *ret;
savageFlushVertices(imesa);
ret = savageAllocVtxBuf(imesa, n*imesa->HwVertexSize);
imesa->firstElt = imesa->vtxBuf->flushed / imesa->HwVertexSize;
imesa->vtxBuf->flushed = imesa->vtxBuf->used;
return ret;
}
/* Flush Elts:
* - Complete the drawing command with the correct number of indices.
* - Actually allocate entries for the indices in the command buffer.
* (This allocation must succeed without wrapping the cmd buffer!)
*/
static __inline
void savageFlushElts( savageContextPtr imesa )
{
if (imesa->elts.cmd) {
GLuint qwords = (imesa->elts.n + 3) >> 2;
assert(imesa->cmdBuf.write - imesa->cmdBuf.base + qwords
<= imesa->cmdBuf.size);
imesa->cmdBuf.write += qwords;
imesa->elts.cmd->idx.count = imesa->elts.n;
imesa->elts.cmd = NULL;
}
}
/* Allocate a command buffer entry with <bytes> bytes of arguments:
* - implies savageFlushElts
*/
static __inline
drm_savage_cmd_header_t *savageAllocCmdBuf( savageContextPtr imesa, GLuint bytes )
{
drm_savage_cmd_header_t *ret;
GLuint qwords = ((bytes + 7) >> 3) + 1; /* round up */
assert (qwords < imesa->cmdBuf.size);
savageFlushElts(imesa);
if (imesa->cmdBuf.write - imesa->cmdBuf.base + qwords > imesa->cmdBuf.size)
savageFlushCmdBuf(imesa, GL_FALSE);
ret = (drm_savage_cmd_header_t *)imesa->cmdBuf.write;
imesa->cmdBuf.write += qwords;
return ret;
}
/* Allocate Elts:
* - if it doesn't fit, flush the cmd buffer first
* - allocates the drawing command on the cmd buffer if there is no
* incomplete indexed drawing command yet
* - increments the number of elts. Final allocation is done in savageFlushElts
*/
static __inline
u_int16_t *savageAllocElts( savageContextPtr imesa, GLuint n )
{
u_int16_t *ret;
GLuint qwords;
assert (savageHaveIndexedVerts(imesa));
if (imesa->elts.cmd)
qwords = (imesa->elts.n + n + 3) >> 2;
else
qwords = ((n + 3) >> 2) + 1;
if (imesa->cmdBuf.write - imesa->cmdBuf.base + qwords > imesa->cmdBuf.size)
savageFlushCmdBuf(imesa, GL_FALSE); /* implies savageFlushElts */
if (!imesa->elts.cmd) {
savageFlushVertices(imesa);
imesa->elts.cmd = savageAllocCmdBuf(imesa, 0);
imesa->elts.cmd->idx.cmd = (imesa->vtxBuf == &imesa->dmaVtxBuf) ?
SAVAGE_CMD_DMA_IDX : SAVAGE_CMD_VB_IDX;
imesa->elts.cmd->idx.prim = imesa->HwPrim;
imesa->elts.cmd->idx.skip = imesa->skip;
imesa->elts.n = 0;
}
ret = (u_int16_t *)(imesa->elts.cmd+1) + imesa->elts.n;
imesa->elts.n += n;
return ret;
}
#endif
|
