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1 | #include <stdio.h> |
2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <stdarg.h> |
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5 | |
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6 | #include "plat_gp2x.h" |
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7 | #include "soc.h" |
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8 | #include "warm.h" |
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9 | #include "../common/plat.h" |
10 | #include "../common/readpng.h" |
11 | #include "../common/menu.h" |
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12 | #include "../common/emu.h" |
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13 | #include "../linux/sndout_oss.h" |
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14 | |
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15 | #include <pico/pico.h> |
16 | |
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17 | /* GP2X local */ |
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18 | int default_cpu_clock; |
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19 | void *gp2x_screens[4]; |
20 | |
21 | void gp2x_video_changemode(int bpp) |
22 | { |
23 | gp2x_video_changemode_ll(bpp); |
24 | |
25 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
26 | gp2x_video_flip(); |
27 | } |
28 | |
29 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
30 | { |
31 | char *dst; |
32 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
33 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
34 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
35 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
36 | } |
37 | |
38 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
39 | { |
40 | gp2x_memcpy_buffers(0xf, data, offset, len); |
41 | } |
42 | |
43 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
44 | { |
45 | memset((char *)gp2x_screens[0] + offset, byte, len); |
46 | memset((char *)gp2x_screens[1] + offset, byte, len); |
47 | memset((char *)gp2x_screens[2] + offset, byte, len); |
48 | memset((char *)gp2x_screens[3] + offset, byte, len); |
49 | } |
50 | |
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51 | void gp2x_make_fb_bufferable(int yes) |
52 | { |
53 | int ret = 0; |
54 | |
55 | yes = yes ? 1 : 0; |
56 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2); |
57 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2); |
58 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2); |
59 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2); |
60 | |
61 | if (ret) |
62 | fprintf(stderr, "could not make fb buferable.\n"); |
63 | else |
64 | printf("made fb buferable.\n"); |
65 | } |
66 | |
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67 | /* common */ |
68 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
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69 | |
70 | void plat_video_menu_enter(int is_rom_loaded) |
71 | { |
72 | if (is_rom_loaded) |
73 | { |
74 | // darken the active framebuffer |
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75 | memset(g_screen_ptr, 0, 320*8*2); |
76 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
77 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
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78 | } |
79 | else |
80 | { |
81 | // should really only happen once, on startup.. |
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82 | readpng(g_screen_ptr, "skin/background.png", READPNG_BG); |
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83 | } |
84 | |
85 | // copy to buffer2 |
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86 | gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2); |
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87 | |
88 | // switch to 16bpp |
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89 | gp2x_video_changemode_ll(16); |
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90 | gp2x_video_RGB_setscaling(0, 320, 240); |
91 | gp2x_video_flip2(); |
92 | } |
93 | |
94 | void plat_video_menu_begin(void) |
95 | { |
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96 | memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2); |
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97 | } |
98 | |
99 | void plat_video_menu_end(void) |
100 | { |
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101 | // FIXME |
102 | // gp2x_video_flush_cache(); |
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103 | gp2x_video_flip2(); |
104 | } |
105 | |
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106 | void plat_validate_config(void) |
107 | { |
108 | gp2x_soc_t soc; |
109 | |
110 | soc = soc_detect(); |
111 | if (soc != SOCID_MMSP2) |
112 | PicoOpt &= ~POPT_EXT_FM; |
113 | |
114 | if (currentConfig.gamma < 10 || currentConfig.gamma > 300) |
115 | currentConfig.gamma = 100; |
116 | |
117 | if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024) |
118 | currentConfig.CPUclock = default_cpu_clock; |
119 | } |
120 | |
121 | void plat_early_init(void) |
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122 | { |
123 | gp2x_soc_t soc; |
124 | |
125 | soc = soc_detect(); |
126 | switch (soc) |
127 | { |
128 | case SOCID_MMSP2: |
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129 | default_cpu_clock = 200; |
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130 | break; |
131 | case SOCID_POLLUX: |
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132 | strcpy(cpu_clk_name, "Wiz CPU clock"); |
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133 | default_cpu_clock = 533; |
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134 | break; |
135 | default: |
136 | fprintf(stderr, "could not recognize SoC, bailing out.\n"); |
137 | exit(1); |
138 | } |
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139 | } |
140 | |
141 | void plat_init(void) |
142 | { |
143 | gp2x_soc_t soc; |
144 | |
145 | soc = soc_detect(); |
146 | switch (soc) |
147 | { |
148 | case SOCID_MMSP2: |
149 | mmsp2_init(); |
150 | break; |
151 | case SOCID_POLLUX: |
152 | pollux_init(); |
153 | menu_plat_setup(1); |
154 | break; |
155 | default: |
156 | break; |
157 | } |
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158 | |
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159 | warm_init(); |
160 | |
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161 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
162 | |
163 | // snd |
164 | sndout_oss_init(); |
165 | } |
166 | |
167 | void plat_finish(void) |
168 | { |
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169 | gp2x_soc_t soc; |
170 | |
171 | warm_finish(); |
172 | |
173 | soc = soc_detect(); |
174 | switch (soc) |
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175 | { |
176 | case SOCID_MMSP2: |
177 | mmsp2_finish(); |
178 | break; |
179 | case SOCID_POLLUX: |
180 | pollux_finish(); |
181 | break; |
182 | } |
183 | |
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184 | sndout_oss_exit(); |
185 | } |
186 | |
187 | void lprintf(const char *fmt, ...) |
188 | { |
189 | va_list vl; |
190 | |
191 | va_start(vl, fmt); |
192 | vprintf(fmt, vl); |
193 | va_end(vl); |
194 | } |
195 | |