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