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comparison src/video/ps3/SDL_ps3spe.c @ 3144:0d8d1f870964 gsoc2009_ps3

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Moved SPE-functions to SDL_ps3spe.c. Added ActivateRenderer() and PS3_QueryTexturePixels(). Added yuv2rgb_spu but not yet in use.
author Martin Lowinski <martin@goldtopf.org>
date Wed, 10 Jun 2009 09:15:33 +0000
parents
children 0cf7bff804ad
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3143:8fdabaa064c3 3144:0d8d1f870964
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23
24 #include "SDL_video.h"
25 #include "SDL_ps3spe_c.h"
26
27 #include "SDL_ps3video.h"
28 #include "SDL_ps3render_c.h"
29
30
31 /* Start the SPE thread */
32 int SPE_Start(spu_data_t * spe_data)
33 {
34 deprintf(2, "[PS3->SPU] Start SPE: %s\n", spe_data->program_name);
35 if (!(spe_data->booted))
36 SPE_Boot(spe_data);
37
38 /* To allow re-running of context, spe_ctx_entry has to be set before each call */
39 spe_data->entry = SPE_DEFAULT_ENTRY;
40 spe_data->error_code = 0;
41
42 /* Create SPE thread and run */
43 deprintf(2, "[PS3->SPU] Create Thread: %s\n", spe_data->program_name);
44 if (pthread_create
45 (&spe_data->thread, NULL, (void *)&SPE_RunContext, (void *)spe_data)) {
46 deprintf(2, "[PS3->SPU] Could not create pthread for spe: %s\n", spe_data->program_name);
47 SDL_SetError("[PS3->SPU] Could not create pthread for spe");
48 return -1;
49 }
50
51 if (spe_data->keepalive)
52 SPE_WaitForMsg(spe_data, SPU_READY);
53 }
54
55 /* Stop the SPE thread */
56 int SPE_Stop(spu_data_t * spe_data)
57 {
58 deprintf(2, "[PS3->SPU] Stop SPE: %s\n", spe_data->program_name);
59 /* Wait for SPE thread to complete */
60 deprintf(2, "[PS3->SPU] Wait for SPE thread to complete: %s\n", spe_data->program_name);
61 if (pthread_join(spe_data->thread, NULL)) {
62 deprintf(2, "[PS3->SPU] Failed joining the thread: %s\n", spe_data->program_name);
63 SDL_SetError("[PS3->SPU] Failed joining the thread");
64 return -1;
65 }
66
67 return 0;
68 }
69
70 /* Create SPE context and load program */
71 int SPE_Boot(spu_data_t * spe_data)
72 {
73 /* Create SPE context */
74 deprintf(2, "[PS3->SPU] Create SPE Context: %s\n", spe_data->program_name);
75 spe_data->ctx = spe_context_create(0, NULL);
76 if (spe_data->ctx == NULL) {
77 deprintf(2, "[PS3->SPU] Failed creating SPE context: %s\n", spe_data->program_name);
78 SDL_SetError("[PS3->SPU] Failed creating SPE context");
79 return -1;
80 }
81
82 /* Load SPE object into SPE local store */
83 deprintf(2, "[PS3->SPU] Load Program into SPE: %s\n", spe_data->program_name);
84 if (spe_program_load(spe_data->ctx, &spe_data->program)) {
85 deprintf(2, "[PS3->SPU] Failed loading program into SPE context: %s\n", spe_data->program_name);
86 SDL_SetError
87 ("[PS3->SPU] Failed loading program into SPE context");
88 return -1;
89 }
90 spe_data->booted = 1;
91 deprintf(2, "[PS3->SPU] SPE boot successful\n");
92
93 return 0;
94 }
95
96 /* (Stop and) shutdown the SPE */
97 int SPE_Shutdown(spu_data_t * spe_data)
98 {
99 if (spe_data->keepalive && spe_data->booted) {
100 SPE_SendMsg(spe_data, SPU_EXIT);
101 SPE_Stop(spe_data);
102 }
103
104 /* Destroy SPE context */
105 deprintf(2, "[PS3->SPU] Destroy SPE context: %s\n", spe_data->program_name);
106 if (spe_context_destroy(spe_data->ctx)) {
107 deprintf(2, "[PS3->SPU] Failed destroying context: %s\n", spe_data->program_name);
108 SDL_SetError("[PS3->SPU] Failed destroying context");
109 return -1;
110 }
111 deprintf(2, "[PS3->SPU] SPE shutdown successful: %s\n", spe_data->program_name);
112 return 0;
113 }
114
115 /* Send message to the SPE via mailboxe */
116 int SPE_SendMsg(spu_data_t * spe_data, unsigned int msg)
117 {
118 deprintf(2, "[PS3->SPU] Sending message %u to %s\n", msg, spe_data->program_name);
119 /* Send one message, block until message was sent */
120 unsigned int spe_in_mbox_msgs[1];
121 spe_in_mbox_msgs[0] = msg;
122 int in_mbox_write = spe_in_mbox_write(spe_data->ctx, spe_in_mbox_msgs, 1, SPE_MBOX_ALL_BLOCKING);
123
124 if (1 > in_mbox_write) {
125 deprintf(2, "[PS3->SPU] No message could be written to %s\n", spe_data->program_name);
126 SDL_SetError("[PS3->SPU] No message could be written");
127 return -1;
128 }
129 return 0;
130 }
131
132
133 /* Read 1 message from SPE, block until at least 1 message was received */
134 int SPE_WaitForMsg(spu_data_t * spe_data, unsigned int msg)
135 {
136 deprintf(2, "[PS3->SPU] Waiting for message from %s\n", spe_data->program_name);
137 unsigned int out_messages[1];
138 while (!spe_out_mbox_status(spe_data->ctx));
139 int mbox_read = spe_out_mbox_read(spe_data->ctx, out_messages, 1);
140 deprintf(2, "[PS3->SPU] Got message from %s, message was %u\n", spe_data->program_name, out_messages[0]);
141 if (out_messages[0] == msg)
142 return 0;
143 else
144 return -1;
145 }
146
147 /* Re-runnable invocation of the spe_context_run call */
148 void SPE_RunContext(void *thread_argp)
149 {
150 /* argp is the pointer to argument to be passed to the SPE program */
151 spu_data_t *args = (spu_data_t *) thread_argp;
152 deprintf(3, "[PS3->SPU] void* argp=0x%x\n", (unsigned int)args->argp);
153
154 /* Run it.. */
155 deprintf(2, "[PS3->SPU] Run SPE program: %s\n", args->program_name);
156 if (spe_context_run
157 (args->ctx, &args->entry, 0, (void *)args->argp, NULL,
158 NULL) < 0) {
159 deprintf(2, "[PS3->SPU] Failed running SPE context: %s\n", args->program_name);
160 SDL_SetError("[PS3->SPU] Failed running SPE context: %s", args->program_name);
161 exit(1);
162 }
163
164 pthread_exit(NULL);
165 }
166
167 /* vi: set ts=4 sw=4 expandtab: */