X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=gp2x%2Fplat.c;h=6fce7bc2f6b23d15879c88345e1315a9cb0076f5;hb=b6072c177f57cdcb32cfd5eee53b7c178f89c5d3;hp=a2b839449d7daad44c099b792d6439f11d1214e3;hpb=e31266dd116b6bea59ce3f2036feeb6725c45a72;p=libpicofe.git

diff --git a/gp2x/plat.c b/gp2x/plat.c
index a2b8394..6fce7bc 100644
--- a/gp2x/plat.c
+++ b/gp2x/plat.c
@@ -1,44 +1,192 @@
+#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>
 
-void plat_video_menu_enter(int is_rom_loaded)
+/* GP2X local */
+int default_cpu_clock;
+int gp2x_dev_id;
+int gp2x_current_bpp;
+void *gp2x_screens[4];
+
+void gp2x_video_changemode(int bpp)
 {
-	if (is_rom_loaded)
-	{
-		// darken the active framebuffer
-		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);
-	}
+	gp2x_video_changemode_ll(bpp);
+
+	gp2x_current_bpp = bpp < 0 ? -bpp : bpp;
+}
+
+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
-	{
-		// should really only happen once, on startup..
-		readpng(g_screen_ptr, "skin/background.png", READPNG_BG);
-	}
+		printf("made fb buferable.\n");
+}
 
-	// copy to buffer2
-	gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2);
+/* common */
+void plat_video_menu_enter(int is_rom_loaded)
+{
+	if (gp2x_current_bpp != 16 || gp2x_dev_id == GP2X_DEV_WIZ) {
+		/* try to switch nicely avoiding glitches */
+		gp2x_video_wait_vsync();
+		memset(gp2x_screens[0], 0, 320*240*2);
+		memset(gp2x_screens[1], 0, 320*240*2);
+		gp2x_video_flip2(); // might flip to fb2/3
+		gp2x_video_flip2(); // ..so we do it again
+		// 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);
+	g_menuscreen_ptr = g_screen_ptr;
 }
 
 void plat_video_menu_end(void)
 {
-	gp2x_video_flush_cache();
+	// FIXME
+	// gp2x_video_flush_cache();
 	gp2x_video_flip2();
 }
 
+void plat_early_init(void)
+{
+	gp2x_soc_t soc;
+	FILE *f;
+
+	soc = soc_detect();
+	switch (soc)
+	{
+	case SOCID_MMSP2:
+		default_cpu_clock = 200;
+		gp2x_dev_id = GP2X_DEV_GP2X;
+		break;
+	case SOCID_POLLUX:
+		default_cpu_clock = 533;
+		f = fopen("/dev/accel", "rb");
+		if (f) {
+			printf("detected Caanoo\n");
+			gp2x_dev_id = GP2X_DEV_CAANOO;
+			fclose(f);
+		}
+		else {
+			printf("detected Wiz\n");
+			gp2x_dev_id = GP2X_DEV_WIZ;
+		}
+		break;
+	default:
+		printf("could not recognize SoC, running in dummy mode.\n");
+		break;
+	}
+
+	gp2x_menu_init();
+}
+
+void plat_init(void)
+{
+	gp2x_soc_t soc;
+
+	soc = soc_detect();
+	switch (soc)
+	{
+	case SOCID_MMSP2:
+		mmsp2_init();
+		break;
+	case SOCID_POLLUX:
+		pollux_init();
+		break;
+	default:
+		dummy_init();
+		break;
+	}
+
+	warm_init();
+
+	gp2x_memset_all_buffers(0, 0, 320*240*2);
+
+	// use buffer2 for menubg to save mem (using only buffers 0, 1 in menu)
+	g_menubg_ptr = gp2x_screens[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;
+	default:
+		dummy_finish();
+		break;
+	}
+
+	sndout_oss_exit();
+}
+
+void lprintf(const char *fmt, ...)
+{
+	va_list vl;
+
+	va_start(vl, fmt);
+	vprintf(fmt, vl);
+	va_end(vl);
+}
+