diff options
Diffstat (limited to 'libraries/evas/src/modules/engines/psl1ght/rsxutil.c')
-rw-r--r-- | libraries/evas/src/modules/engines/psl1ght/rsxutil.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/libraries/evas/src/modules/engines/psl1ght/rsxutil.c b/libraries/evas/src/modules/engines/psl1ght/rsxutil.c new file mode 100644 index 0000000..7567a8c --- /dev/null +++ b/libraries/evas/src/modules/engines/psl1ght/rsxutil.c | |||
@@ -0,0 +1,275 @@ | |||
1 | /* | ||
2 | * This software is distributed under the terms of the MIT License | ||
3 | */ | ||
4 | |||
5 | #include <ppu-lv2.h> | ||
6 | #include <stdio.h> | ||
7 | #include <malloc.h> | ||
8 | #include <string.h> | ||
9 | #include <unistd.h> | ||
10 | #include <sysutil/video.h> | ||
11 | #include <rsx/gcm_sys.h> | ||
12 | #include <rsx/rsx.h> | ||
13 | #include <io/pad.h> | ||
14 | #include <time.h> | ||
15 | #include <cairo/cairo.h> | ||
16 | #include <math.h> | ||
17 | |||
18 | #include "rsxutil.h" | ||
19 | |||
20 | #define GCM_LABEL_INDEX 255 | ||
21 | |||
22 | static void | ||
23 | waitRSXIdle(gcmContextData *context); | ||
24 | |||
25 | static int flipped = FALSE; | ||
26 | |||
27 | void | ||
28 | waitFlip() | ||
29 | { | ||
30 | if (flipped) | ||
31 | { | ||
32 | while (gcmGetFlipStatus () != 0) | ||
33 | usleep (200); /* Sleep, to not stress the cpu. */ | ||
34 | gcmResetFlipStatus (); | ||
35 | flipped = FALSE; | ||
36 | } | ||
37 | } | ||
38 | |||
39 | int | ||
40 | flipBuffer(gcmContextData *context, s32 buffer) | ||
41 | { | ||
42 | if (gcmSetFlip (context, buffer) == 0) | ||
43 | { | ||
44 | rsxFlushBuffer (context); | ||
45 | // Prevent the RSX from continuing until the flip has finished. | ||
46 | gcmSetWaitFlip (context); | ||
47 | |||
48 | flipped = TRUE; | ||
49 | return TRUE; | ||
50 | } | ||
51 | return FALSE; | ||
52 | } | ||
53 | |||
54 | int | ||
55 | makeBuffer(rsxBuffer *buffer, u16 width, u16 height, int id) | ||
56 | { | ||
57 | int depth = sizeof(u32); | ||
58 | int pitch = depth * width; | ||
59 | int size = depth * width * height; | ||
60 | |||
61 | buffer->ptr = (uint32_t *)rsxMemalign (64, size); | ||
62 | |||
63 | if (buffer->ptr == NULL) | ||
64 | goto error; | ||
65 | |||
66 | if (rsxAddressToOffset (buffer->ptr, &buffer->offset) != 0) | ||
67 | goto error; | ||
68 | |||
69 | /* Register the display buffer with the RSX */ | ||
70 | if (gcmSetDisplayBuffer (id, buffer->offset, pitch, width, height) != 0) | ||
71 | goto error; | ||
72 | |||
73 | buffer->width = width; | ||
74 | buffer->height = height; | ||
75 | buffer->id = id; | ||
76 | |||
77 | return TRUE; | ||
78 | |||
79 | error: | ||
80 | if (buffer->ptr != NULL) | ||
81 | rsxFree (buffer->ptr); | ||
82 | |||
83 | return FALSE; | ||
84 | } | ||
85 | |||
86 | int | ||
87 | copyBuffer(gcmContextData *context, rsxBuffer *source, rsxBuffer *destination) | ||
88 | { | ||
89 | rsxSetTransferData(context, GCM_TRANSFER_LOCAL_TO_LOCAL, | ||
90 | destination->offset, | ||
91 | destination->width * sizeof(u32), | ||
92 | source->offset, | ||
93 | source->width * sizeof(u32), | ||
94 | source->width * sizeof(u32), | ||
95 | source->height); | ||
96 | } | ||
97 | |||
98 | int | ||
99 | getResolution(u16 *width, u16 *height) | ||
100 | { | ||
101 | videoState state; | ||
102 | videoResolution resolution; | ||
103 | |||
104 | /* Get the state of the display */ | ||
105 | if (videoGetState (0, 0, &state) == 0 && | ||
106 | videoGetResolution (state.displayMode.resolution, &resolution) == 0) | ||
107 | { | ||
108 | if (width) | ||
109 | *width = resolution.width; | ||
110 | if (height) | ||
111 | *height = resolution.height; | ||
112 | |||
113 | return TRUE; | ||
114 | } | ||
115 | return FALSE; | ||
116 | } | ||
117 | |||
118 | static u8 | ||
119 | getPreferredResolution(u16 width, u16 height) | ||
120 | { | ||
121 | videoDeviceInfo info; | ||
122 | videoResolution res; | ||
123 | int area = width * height; | ||
124 | int mode_area; | ||
125 | int min_area_diff = abs (area - (720 * 480)); | ||
126 | int area_diff; | ||
127 | u8 resolution = VIDEO_RESOLUTION_480; | ||
128 | int i; | ||
129 | |||
130 | videoGetDeviceInfo(0, 0, &info); | ||
131 | |||
132 | for (i = 0; i < info.availableModeCount; i++) { | ||
133 | videoGetResolution (info.availableModes[i].resolution, &res); | ||
134 | mode_area = res.width * res.height; | ||
135 | area_diff = abs (area - mode_area); | ||
136 | if (area_diff < min_area_diff) | ||
137 | { | ||
138 | min_area_diff = area_diff; | ||
139 | resolution = info.availableModes[i].resolution; | ||
140 | } | ||
141 | } | ||
142 | |||
143 | return resolution; | ||
144 | } | ||
145 | |||
146 | int | ||
147 | setResolution(gcmContextData *context, u16 *width, u16 *height) | ||
148 | { | ||
149 | videoState state; | ||
150 | videoConfiguration vconfig; | ||
151 | videoResolution res; | ||
152 | u8 resolution; | ||
153 | |||
154 | resolution = getPreferredResolution (*width, *height); | ||
155 | |||
156 | /* Get the state of the display */ | ||
157 | if (videoGetState (0, 0, &state) != 0) | ||
158 | return FALSE; | ||
159 | |||
160 | /* Make sure display is enabled */ | ||
161 | if (state.state != 0) | ||
162 | return FALSE; | ||
163 | |||
164 | if (videoGetResolution (resolution, &res) != 0) | ||
165 | return FALSE; | ||
166 | |||
167 | /* Configure the buffer format to xRGB */ | ||
168 | memset (&vconfig, 0, sizeof(videoConfiguration)); | ||
169 | vconfig.resolution = resolution; | ||
170 | vconfig.format = VIDEO_BUFFER_FORMAT_XRGB; | ||
171 | vconfig.pitch = res.width * sizeof(u32); | ||
172 | vconfig.aspect = VIDEO_ASPECT_AUTO; | ||
173 | |||
174 | flushRSX(context); | ||
175 | |||
176 | if (videoConfigure (0, &vconfig, NULL, 0) != 0) | ||
177 | return FALSE; | ||
178 | |||
179 | *width = res.width; | ||
180 | *height = res.height; | ||
181 | |||
182 | return TRUE; | ||
183 | } | ||
184 | |||
185 | gcmContextData * | ||
186 | initScreen(void *host_addr, u32 size) | ||
187 | { | ||
188 | gcmContextData *context = NULL; /* Context to keep track of the RSX buffer. */ | ||
189 | videoState state; | ||
190 | videoConfiguration vconfig; | ||
191 | videoResolution res; /* Screen Resolution */ | ||
192 | |||
193 | /* Initilise Reality, which sets up the command buffer and shared IO memory */ | ||
194 | context = rsxInit (CB_SIZE, size, host_addr); | ||
195 | if (context == NULL) | ||
196 | goto error; | ||
197 | |||
198 | /* Get the state of the display */ | ||
199 | if (videoGetState (0, 0, &state) != 0) | ||
200 | goto error; | ||
201 | |||
202 | /* Make sure display is enabled */ | ||
203 | if (state.state != 0) | ||
204 | goto error; | ||
205 | |||
206 | /* Get the current resolution */ | ||
207 | if (videoGetResolution (state.displayMode.resolution, &res) != 0) | ||
208 | goto error; | ||
209 | |||
210 | /* Configure the buffer format to xRGB */ | ||
211 | memset (&vconfig, 0, sizeof(videoConfiguration)); | ||
212 | vconfig.resolution = state.displayMode.resolution; | ||
213 | vconfig.format = VIDEO_BUFFER_FORMAT_XRGB; | ||
214 | vconfig.pitch = res.width * sizeof(u32); | ||
215 | vconfig.aspect = state.displayMode.aspect; | ||
216 | |||
217 | flushRSX(context); | ||
218 | |||
219 | if (videoConfigure (0, &vconfig, NULL, 0) != 0) | ||
220 | goto error; | ||
221 | |||
222 | if (videoGetState (0, 0, &state) != 0) | ||
223 | goto error; | ||
224 | |||
225 | gcmSetFlipMode (GCM_FLIP_VSYNC); // Wait for VSYNC to flip | ||
226 | |||
227 | gcmResetFlipStatus(); | ||
228 | |||
229 | return context; | ||
230 | |||
231 | error: | ||
232 | if (context) | ||
233 | rsxFinish (context, 0); | ||
234 | |||
235 | return NULL; | ||
236 | } | ||
237 | |||
238 | void | ||
239 | freeScreen(gcmContextData *context) | ||
240 | { | ||
241 | rsxFinish (context, 0); | ||
242 | } | ||
243 | |||
244 | static void | ||
245 | waitFinish(gcmContextData *context, u32 sLabelVal) | ||
246 | { | ||
247 | rsxSetWriteBackendLabel (context, GCM_LABEL_INDEX, sLabelVal); | ||
248 | |||
249 | rsxFlushBuffer (context); | ||
250 | |||
251 | while (*(vu32 *)gcmGetLabelAddress (GCM_LABEL_INDEX) != sLabelVal) | ||
252 | usleep(30); | ||
253 | } | ||
254 | |||
255 | static void | ||
256 | waitRSXIdle(gcmContextData *context) | ||
257 | { | ||
258 | static u32 sLabelVal = 1; | ||
259 | |||
260 | rsxSetWriteBackendLabel (context, GCM_LABEL_INDEX, sLabelVal); | ||
261 | rsxSetWaitLabel (context, GCM_LABEL_INDEX, sLabelVal); | ||
262 | |||
263 | sLabelVal++; | ||
264 | |||
265 | waitFinish(context, sLabelVal++); | ||
266 | } | ||
267 | |||
268 | void | ||
269 | flushRSX(gcmContextData *context) | ||
270 | { | ||
271 | if (flipped) | ||
272 | waitFlip (); | ||
273 | waitRSXIdle(context); | ||
274 | } | ||
275 | |||