X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Flibretro.c;h=8256fe18203edb65c77c0fd4f3d489169a58e813;hp=4305aa72df66bd9cc39a7766292406a34a1536ca;hb=e2bdb933ecee40a0c4caf14a20f5e642e3b93120;hpb=9f766dbe7543819bdf44bb326665998af45c102d

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 4305aa72..8256fe18 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -11,8 +11,10 @@
 
 #include "../libpcsxcore/misc.h"
 #include "../libpcsxcore/psxcounters.h"
+#include "../libpcsxcore/psxmem_map.h"
 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
 #include "../plugins/dfsound/out.h"
+#include "../plugins/gpulib/cspace.h"
 #include "main.h"
 #include "plugin.h"
 #include "plugin_lib.h"
@@ -26,10 +28,12 @@ static retro_environment_t environ_cb;
 static retro_audio_sample_batch_t audio_batch_cb;
 
 static void *vout_buf;
-static int vout_width, vout_height;
 static int samples_sent, samples_to_send;
 static int plugins_opened;
-static int native_rgb565;
+
+/* memory card data */
+extern char Mcd1Data[MCD_SIZE];
+extern char McdDisable[2];
 
 /* PCSX ReARMed core calls and stuff */
 int in_type1, in_type2;
@@ -37,19 +41,49 @@ int in_a1[2] = { 127, 127 }, in_a2[2] = { 127, 127 };
 int in_keystate;
 int in_enable_vibration;
 
+static void init_memcard(char *mcd_data)
+{
+	unsigned off = 0;
+	unsigned i;
+
+	memset(mcd_data, 0, MCD_SIZE);
+
+	mcd_data[off++] = 'M';
+	mcd_data[off++] = 'C';
+	off += 0x7d;
+	mcd_data[off++] = 0x0e;
+
+	for (i = 0; i < 15; i++) {
+		mcd_data[off++] = 0xa0;
+		off += 0x07;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		off += 0x75;
+		mcd_data[off++] = 0xa0;
+	}
+
+	for (i = 0; i < 20; i++) {
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		off += 0x04;
+		mcd_data[off++] = 0xff;
+		mcd_data[off++] = 0xff;
+		off += 0x76;
+	}
+}
+
 static int vout_open(void)
 {
 	return 0;
 }
 
-static void *vout_set_mode(int w, int h, int bpp)
+static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 {
-	vout_width = w;
-	vout_height = h;
-	return vout_buf;
 }
 
-/* FIXME: either teach PCSX to blit to RGB1555 or RetroArch to support RGB565 */
+#ifdef FRONTEND_SUPPORTS_RGB565
 static void convert(void *buf, size_t bytes)
 {
 	unsigned int i, v, *p = buf;
@@ -59,26 +93,71 @@ static void convert(void *buf, size_t bytes)
 		p[i] = (v & 0x001f001f) | ((v >> 1) & 0x7fe07fe0);
 	}
 }
+#endif
 
-static void *vout_flip(void)
+static unsigned game_width;
+static unsigned game_height;
+static unsigned game_fb_dirty;
+
+static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
 {
-	pl_rearmed_cbs.flip_cnt++;
-	if (!native_rgb565)
-		convert(vout_buf,  vout_width * vout_height * 2);
-	video_cb(vout_buf, vout_width, vout_height, vout_width * 2);
+	unsigned short *dest = vout_buf;
+	const unsigned short *src = vram;
+	int dstride = w, h1 = h;
+
+	if (vram == NULL) {
+		// blanking
+		memset(vout_buf, 0, dstride * h * 2);
+		goto out;
+	}
 
-	return vout_buf;
+	if (bgr24)
+	{
+		// XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here?
+		for (; h1-- > 0; dest += dstride, src += stride)
+		{
+			bgr888_to_rgb565(dest, src, w * 3);
+		}
+	}
+	else
+	{
+		for (; h1-- > 0; dest += dstride, src += stride)
+		{
+			bgr555_to_rgb565(dest, src, w * 2);
+		}
+	}
+
+out:
+#ifndef FRONTEND_SUPPORTS_RGB565
+   convert(vout_buf, w * h * 2);
+#endif
+   game_width = w;
+   game_height = h;
+   game_fb_dirty = 1;
+   pl_rearmed_cbs.flip_cnt++;
 }
 
 static void vout_close(void)
 {
 }
 
+static void *pl_mmap(unsigned int size)
+{
+	return psxMap(0, size, 0, MAP_TAG_VRAM);
+}
+
+static void pl_munmap(void *ptr, unsigned int size)
+{
+	psxUnmap(ptr, size, MAP_TAG_VRAM);
+}
+
 struct rearmed_cbs pl_rearmed_cbs = {
 	.pl_vout_open = vout_open,
 	.pl_vout_set_mode = vout_set_mode,
 	.pl_vout_flip = vout_flip,
 	.pl_vout_close = vout_close,
+	.mmap = pl_mmap,
+	.munmap = pl_munmap,
 	/* from psxcounters */
 	.gpu_hcnt = &hSyncCount,
 	.gpu_frame_count = &frame_counter,
@@ -98,7 +177,7 @@ void plat_trigger_vibrate(int is_strong)
 {
 }
 
-void pl_update_gun(int *xn, int *xres, int *y, int *in)
+void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
 {
 }
 
@@ -199,11 +278,12 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
 
 bool retro_load_game(const struct retro_game_info *info)
 {
+#ifdef FRONTEND_SUPPORTS_RGB565
 	enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_RGB565;
 	if (environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt)) {
-		native_rgb565 = 1;
 		fprintf(stderr, "RGB565 supported, using it\n");
 	}
+#endif
 
 	if (plugins_opened) {
 		ClosePlugins();
@@ -240,7 +320,7 @@ bool retro_load_game(const struct retro_game_info *info)
 		printf("could not load CD-ROM!\n");
 		return false;
 	}
-	emu_on_new_cd();
+	emu_on_new_cd(0);
 
 	return true;
 }
@@ -261,12 +341,12 @@ unsigned retro_get_region(void)
 
 void *retro_get_memory_data(unsigned id)
 {
-	return NULL;
+	return Mcd1Data;
 }
 
 size_t retro_get_memory_size(unsigned id)
 {
-	return 0;
+	return MCD_SIZE;
 }
 
 void retro_reset(void)
@@ -312,6 +392,9 @@ void retro_run(void)
 	psxCpu->Execute();
 
 	samples_to_send += 44100 / 60;
+
+	video_cb(game_fb_dirty ? vout_buf : NULL, game_width, game_height, game_width * 2);
+	game_fb_dirty = 0;
 }
 
 void retro_init(void)
@@ -353,6 +436,10 @@ void retro_init(void)
 
 	level = 1;
 	environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
+
+	McdDisable[0] = 0;
+	McdDisable[1] = 1;
+	init_memcard(Mcd1Data);
 }
 
 void retro_deinit(void)
@@ -361,4 +448,3 @@ void retro_deinit(void)
 	free(vout_buf);
 	vout_buf = NULL;
 }
-