+#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <stdarg.h>
-#include "gp2x.h"
+#include "plat_gp2x.h"
+#include "soc.h"
+#include "warm.h"
#include "../common/plat.h"
#include "../common/readpng.h"
#include "../common/menu.h"
+#include "../common/emu.h"
+#include "../linux/sndout_oss.h"
+#include <pico/pico.h>
+
+/* GP2X local */
+int default_cpu_clock;
+void *gp2x_screens[4];
+
+void gp2x_video_changemode(int bpp)
+{
+ gp2x_video_changemode_ll(bpp);
+
+ gp2x_memset_all_buffers(0, 0, 320*240*2);
+ gp2x_video_flip();
+}
+
+static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len)
+{
+ char *dst;
+ if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); }
+ if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); }
+ if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); }
+ if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); }
+}
+
+void gp2x_memcpy_all_buffers(void *data, int offset, int len)
+{
+ gp2x_memcpy_buffers(0xf, data, offset, len);
+}
+
+void gp2x_memset_all_buffers(int offset, int byte, int len)
+{
+ memset((char *)gp2x_screens[0] + offset, byte, len);
+ memset((char *)gp2x_screens[1] + offset, byte, len);
+ memset((char *)gp2x_screens[2] + offset, byte, len);
+ memset((char *)gp2x_screens[3] + offset, byte, len);
+}
+
+void gp2x_make_fb_bufferable(int yes)
+{
+ int ret = 0;
+
+ yes = yes ? 1 : 0;
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2);
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2);
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2);
+ ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2);
+
+ if (ret)
+ fprintf(stderr, "could not make fb buferable.\n");
+ else
+ printf("made fb buferable.\n");
+}
+
+/* common */
+char cpu_clk_name[16] = "GP2X CPU clocks";
void plat_video_menu_enter(int is_rom_loaded)
{
if (is_rom_loaded)
{
// darken the active framebuffer
- memset(gp2x_screen, 0, 320*8*2);
- menu_darken_bg((char *)gp2x_screen + 320*8*2, 320*224, 1);
- memset((char *)gp2x_screen + 320*232*2, 0, 320*8*2);
+ memset(g_screen_ptr, 0, 320*8*2);
+ menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1);
+ memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2);
}
else
{
+ char buff[256];
+
// should really only happen once, on startup..
- readpng(gp2x_screen, "skin/background.png", READPNG_BG);
+ emu_make_path(buff, "skin/background.png", sizeof(buff));
+ if (readpng(g_screen_ptr, buff, READPNG_BG) < 0)
+ memset(g_screen_ptr, 0, 320*240*2);
}
- // copy to buffer2
- gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);
+ // copy to buffer2, switch to black
+ gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2);
+
+ /* try to switch nicely avoiding tearing on Wiz */
+ gp2x_video_wait_vsync();
+ memset(gp2x_screens[0], 0, 320*240*2);
+ memset(gp2x_screens[1], 0, 320*240*2);
+ gp2x_video_flip2();
+ gp2x_video_wait_vsync();
+ gp2x_video_wait_vsync();
// switch to 16bpp
- gp2x_video_changemode2(16);
+ gp2x_video_changemode_ll(16);
gp2x_video_RGB_setscaling(0, 320, 240);
- gp2x_video_flip2();
}
void plat_video_menu_begin(void)
{
- gp2x_pd_clone_buffer2();
+ memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2);
}
void plat_video_menu_end(void)
{
- gp2x_video_flush_cache();
+ // FIXME
+ // gp2x_video_flush_cache();
gp2x_video_flip2();
}
+void plat_validate_config(void)
+{
+ gp2x_soc_t soc;
+
+ soc = soc_detect();
+ if (soc != SOCID_MMSP2)
+ PicoOpt &= ~POPT_EXT_FM;
+ if (soc != SOCID_POLLUX)
+ currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX;
+
+ if (currentConfig.gamma < 10 || currentConfig.gamma > 300)
+ currentConfig.gamma = 100;
+
+ if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024)
+ currentConfig.CPUclock = default_cpu_clock;
+}
+
+void plat_early_init(void)
+{
+ gp2x_soc_t soc;
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ default_cpu_clock = 200;
+ break;
+ case SOCID_POLLUX:
+ strcpy(cpu_clk_name, "Wiz CPU clock");
+ default_cpu_clock = 533;
+ break;
+ default:
+ fprintf(stderr, "could not recognize SoC, bailing out.\n");
+ exit(1);
+ }
+}
+
+void plat_init(void)
+{
+ gp2x_soc_t soc;
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ mmsp2_init();
+ menu_plat_setup(0);
+ break;
+ case SOCID_POLLUX:
+ pollux_init();
+ menu_plat_setup(1);
+ break;
+ default:
+ break;
+ }
+
+ warm_init();
+
+ gp2x_memset_all_buffers(0, 0, 320*240*2);
+
+ // snd
+ sndout_oss_init();
+}
+
+void plat_finish(void)
+{
+ gp2x_soc_t soc;
+
+ warm_finish();
+
+ soc = soc_detect();
+ switch (soc)
+ {
+ case SOCID_MMSP2:
+ mmsp2_finish();
+ break;
+ case SOCID_POLLUX:
+ pollux_finish();
+ break;
+ }
+
+ sndout_oss_exit();
+}
+
+void lprintf(const char *fmt, ...)
+{
+ va_list vl;
+
+ va_start(vl, fmt);
+ vprintf(fmt, vl);
+ va_end(vl);
+}
+