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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 | |
6 | #include "gp2x.h" |
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7 | #include "soc.h" |
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8 | #include "../common/plat.h" |
9 | #include "../common/readpng.h" |
10 | #include "../common/menu.h" |
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11 | #include "../common/emu.h" |
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12 | #include "../linux/sndout_oss.h" |
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13 | |
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14 | /* GP2X local */ |
15 | void *gp2x_screens[4]; |
16 | |
17 | void gp2x_video_changemode(int bpp) |
18 | { |
19 | gp2x_video_changemode_ll(bpp); |
20 | |
21 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
22 | gp2x_video_flip(); |
23 | } |
24 | |
25 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
26 | { |
27 | char *dst; |
28 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
29 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
30 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
31 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
32 | } |
33 | |
34 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
35 | { |
36 | gp2x_memcpy_buffers(0xf, data, offset, len); |
37 | } |
38 | |
39 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
40 | { |
41 | memset((char *)gp2x_screens[0] + offset, byte, len); |
42 | memset((char *)gp2x_screens[1] + offset, byte, len); |
43 | memset((char *)gp2x_screens[2] + offset, byte, len); |
44 | memset((char *)gp2x_screens[3] + offset, byte, len); |
45 | } |
46 | |
47 | /* common */ |
48 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
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49 | |
50 | void plat_video_menu_enter(int is_rom_loaded) |
51 | { |
52 | if (is_rom_loaded) |
53 | { |
54 | // darken the active framebuffer |
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55 | memset(g_screen_ptr, 0, 320*8*2); |
56 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
57 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
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58 | } |
59 | else |
60 | { |
61 | // should really only happen once, on startup.. |
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62 | readpng(g_screen_ptr, "skin/background.png", READPNG_BG); |
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63 | } |
64 | |
65 | // copy to buffer2 |
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66 | gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2); |
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67 | |
68 | // switch to 16bpp |
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69 | gp2x_video_changemode_ll(16); |
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70 | gp2x_video_RGB_setscaling(0, 320, 240); |
71 | gp2x_video_flip2(); |
72 | } |
73 | |
74 | void plat_video_menu_begin(void) |
75 | { |
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76 | memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2); |
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77 | } |
78 | |
79 | void plat_video_menu_end(void) |
80 | { |
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81 | // FIXME |
82 | // gp2x_video_flush_cache(); |
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83 | gp2x_video_flip2(); |
84 | } |
85 | |
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86 | void plat_init(void) |
87 | { |
88 | gp2x_soc_t soc; |
89 | |
90 | soc = soc_detect(); |
91 | switch (soc) |
92 | { |
93 | case SOCID_MMSP2: |
94 | mmsp2_init(); |
95 | break; |
96 | case SOCID_POLLUX: |
97 | pollux_init(); |
98 | strcpy(cpu_clk_name, "Wiz CPU clock"); |
99 | break; |
100 | default: |
101 | fprintf(stderr, "could not recognize SoC, bailing out.\n"); |
102 | exit(1); |
103 | } |
104 | |
105 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
106 | |
107 | // snd |
108 | sndout_oss_init(); |
109 | } |
110 | |
111 | void plat_finish(void) |
112 | { |
113 | switch (gp2x_soc) |
114 | { |
115 | case SOCID_MMSP2: |
116 | mmsp2_finish(); |
117 | break; |
118 | case SOCID_POLLUX: |
119 | pollux_finish(); |
120 | break; |
121 | } |
122 | |
123 | gp2x_video_changemode(16); |
124 | sndout_oss_exit(); |
125 | } |
126 | |
127 | void lprintf(const char *fmt, ...) |
128 | { |
129 | va_list vl; |
130 | |
131 | va_start(vl, fmt); |
132 | vprintf(fmt, vl); |
133 | va_end(vl); |
134 | } |
135 | |