1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 /*
29 * Authors:
30 * Keith Whitwell <[email protected]>
31 * Brian Paul
32 */
33
34 #include "util/glheader.h"
35 #include "main/macros.h"
36 #include "main/context.h"
37 #include "st_context.h"
38 #include "st_cb_bitmap.h"
39 #include "st_cb_flush.h"
40 #include "st_cb_clear.h"
41 #include "st_context.h"
42 #include "st_manager.h"
43 #include "pipe/p_context.h"
44 #include "pipe/p_defines.h"
45 #include "pipe/p_screen.h"
46 #include "util/u_gen_mipmap.h"
47 #include "util/perf/cpu_trace.h"
48
49
50 void
st_flush(struct st_context * st,struct pipe_fence_handle ** fence,unsigned flags)51 st_flush(struct st_context *st,
52 struct pipe_fence_handle **fence,
53 unsigned flags)
54 {
55 MESA_TRACE_FUNC();
56
57 /* We want to call this function periodically.
58 * Typically, it has nothing to do so it shouldn't be expensive.
59 */
60 st_context_free_zombie_objects(st);
61
62 st_flush_bitmap_cache(st);
63 st->pipe->flush(st->pipe, fence, flags);
64 }
65
66
67 /**
68 * Flush, and wait for completion.
69 */
70 void
st_finish(struct st_context * st)71 st_finish(struct st_context *st)
72 {
73 struct pipe_fence_handle *fence = NULL;
74
75 MESA_TRACE_FUNC();
76
77 st_flush(st, &fence, PIPE_FLUSH_ASYNC | PIPE_FLUSH_HINT_FINISH);
78
79 if (fence) {
80 st->screen->fence_finish(st->screen, NULL, fence,
81 OS_TIMEOUT_INFINITE);
82 st->screen->fence_reference(st->screen, &fence, NULL);
83 }
84
85 st_manager_flush_swapbuffers();
86 }
87
88
89 void
st_glFlush(struct gl_context * ctx,unsigned gallium_flush_flags)90 st_glFlush(struct gl_context *ctx, unsigned gallium_flush_flags)
91 {
92 struct st_context *st = st_context(ctx);
93
94 /* Don't call st_finish() here. It is not the state tracker's
95 * responsibilty to inject sleeps in the hope of avoiding buffer
96 * synchronization issues. Calling finish() here will just hide
97 * problems that need to be fixed elsewhere.
98 */
99 st_flush(st, NULL, gallium_flush_flags);
100
101 st_manager_flush_frontbuffer(st);
102 }
103
104 void
st_glFinish(struct gl_context * ctx)105 st_glFinish(struct gl_context *ctx)
106 {
107 struct st_context *st = st_context(ctx);
108
109 st_finish(st);
110
111 st_manager_flush_frontbuffer(st);
112 }
113
114
115 static GLenum
gl_reset_status_from_pipe_reset_status(enum pipe_reset_status status)116 gl_reset_status_from_pipe_reset_status(enum pipe_reset_status status)
117 {
118 switch (status) {
119 case PIPE_NO_RESET:
120 return GL_NO_ERROR;
121 case PIPE_GUILTY_CONTEXT_RESET:
122 return GL_GUILTY_CONTEXT_RESET_ARB;
123 case PIPE_INNOCENT_CONTEXT_RESET:
124 return GL_INNOCENT_CONTEXT_RESET_ARB;
125 case PIPE_UNKNOWN_CONTEXT_RESET:
126 return GL_UNKNOWN_CONTEXT_RESET_ARB;
127 default:
128 assert(0);
129 return GL_NO_ERROR;
130 }
131 }
132
133
134 static void
st_device_reset_callback(void * data,enum pipe_reset_status status)135 st_device_reset_callback(void *data, enum pipe_reset_status status)
136 {
137 struct st_context *st = data;
138
139 assert(status != PIPE_NO_RESET);
140
141 st->reset_status = status;
142 _mesa_set_context_lost_dispatch(st->ctx);
143 }
144
145
146 /**
147 * Query information about GPU resets observed by this context
148 *
149 * Called via \c dd_function_table::GetGraphicsResetStatus.
150 */
151 static GLenum
st_get_graphics_reset_status(struct gl_context * ctx)152 st_get_graphics_reset_status(struct gl_context *ctx)
153 {
154 struct st_context *st = st_context(ctx);
155 enum pipe_reset_status status;
156
157 if (st->reset_status != PIPE_NO_RESET) {
158 status = st->reset_status;
159 st->reset_status = PIPE_NO_RESET;
160 } else {
161 status = st->pipe->get_device_reset_status(st->pipe);
162 if (status != PIPE_NO_RESET)
163 st_device_reset_callback(st, status);
164 }
165
166 return gl_reset_status_from_pipe_reset_status(status);
167 }
168
169
170 void
st_install_device_reset_callback(struct st_context * st)171 st_install_device_reset_callback(struct st_context *st)
172 {
173 if (st->pipe->set_device_reset_callback) {
174 struct pipe_device_reset_callback cb;
175 cb.reset = st_device_reset_callback;
176 cb.data = st;
177 st->pipe->set_device_reset_callback(st->pipe, &cb);
178 }
179 }
180
181
182 void
st_init_flush_functions(struct pipe_screen * screen,struct dd_function_table * functions)183 st_init_flush_functions(struct pipe_screen *screen,
184 struct dd_function_table *functions)
185 {
186 if (screen->get_param(screen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY))
187 functions->GetGraphicsResetStatus = st_get_graphics_reset_status;
188 }
189