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
|
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 TUNGSTEN 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.
*
**************************************************************************/
/* Author:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "pipe/p_defines.h"
#include "draw/draw_context.h"
#include "lp_flush.h"
#include "lp_context.h"
#include "lp_setup.h"
void
llvmpipe_flush( struct pipe_context *pipe,
unsigned flags,
struct pipe_fence_handle **fence )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
draw_flush(llvmpipe->draw);
if (fence) {
if ((flags & (PIPE_FLUSH_SWAPBUFFERS |
PIPE_FLUSH_RENDER_CACHE))) {
/* if we're going to flush the setup/rasterization modules, emit
* a fence.
* XXX this (and the code below) may need fine tuning...
*/
*fence = lp_setup_fence( llvmpipe->setup );
}
else {
*fence = NULL;
}
}
/* XXX the lp_setup_flush(flags) param is not a bool, and it's ignored
* at this time!
*/
if (flags & PIPE_FLUSH_SWAPBUFFERS) {
lp_setup_flush( llvmpipe->setup, FALSE );
}
else if (flags & PIPE_FLUSH_RENDER_CACHE) {
lp_setup_flush( llvmpipe->setup, TRUE );
}
/* Enable to dump BMPs of the color/depth buffers each frame */
#if 0
if (flags & PIPE_FLUSH_FRAME) {
static unsigned frame_no = 1;
char filename[256];
unsigned i;
for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
util_snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.cbufs[0]);
}
if (0) {
util_snprintf(filename, sizeof(filename), "zsbuf_%u", frame_no);
debug_dump_surface_bmp(&llvmpipe->pipe, filename, llvmpipe->framebuffer.zsbuf);
}
++frame_no;
}
#endif
}
/**
* Flush context if necessary.
*
* TODO: move this logic to an auxiliary library?
*
* FIXME: We must implement DISCARD/DONTBLOCK/UNSYNCHRONIZED/etc for
* textures to avoid blocking.
*/
boolean
llvmpipe_flush_texture(struct pipe_context *pipe,
struct pipe_texture *texture,
unsigned face,
unsigned level,
unsigned flush_flags,
boolean read_only,
boolean cpu_access,
boolean do_not_flush)
{
struct pipe_fence_handle *last_fence = NULL;
unsigned referenced;
referenced = pipe->is_texture_referenced(pipe, texture, face, level);
if ((referenced & PIPE_REFERENCED_FOR_WRITE) ||
((referenced & PIPE_REFERENCED_FOR_READ) && !read_only)) {
if (do_not_flush)
return FALSE;
/*
* TODO: The semantics of these flush flags are too obtuse. They should
* disappear and the pipe driver should just ensure that all visible
* side-effects happen when they need to happen.
*/
if (referenced & PIPE_REFERENCED_FOR_WRITE)
flush_flags |= PIPE_FLUSH_RENDER_CACHE;
if (referenced & PIPE_REFERENCED_FOR_READ)
flush_flags |= PIPE_FLUSH_TEXTURE_CACHE;
if (cpu_access) {
/*
* Flush and wait.
*/
struct pipe_fence_handle *fence = NULL;
pipe->flush(pipe, flush_flags, &fence);
if (last_fence) {
pipe->screen->fence_finish(pipe->screen, fence, 0);
pipe->screen->fence_reference(pipe->screen, &fence, NULL);
}
} else {
/*
* Just flush.
*/
pipe->flush(pipe, flush_flags, NULL);
}
}
return TRUE;
}
|
