WII: Update port for the current versions of the base libraries. Enable DVD access for the GameCube port.

svn-id: r52074

5 files changed, 38 insertions, 37 deletions

diff --git a/backends/platform/wii/main.cpp b/backends/platform/wii/main.cpp
index 627cc7d1db..7f141f2339 100644
--- a/backends/platform/wii/main.cpp
+++ b/backends/platform/wii/main.cpp
@@ -37,8 +37,7 @@
 #ifdef DEBUG_WII_GDB
 #include <debug.h>
 #endif
-#include <gfx/gfx.h>
-#include <gfx/gfx_con.h>
+#include <gxflux/gfx_con.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -51,7 +50,6 @@ void reset_cb(void) {
 #ifdef DEBUG_WII_GDB
 	printf("attach gdb now\n");
 	_break();
-	SYS_SetResetCallback(reset_cb);
 #else
 	reset_btn_pressed = true;
 #endif
@@ -78,6 +76,11 @@ static void show_console(int code) {
 	for (i = 0; i < 60 * 3; ++i)
 		VIDEO_WaitVSync();
 
+#ifdef DEBUG_WII_GDB
+	printf("attach gdb now\n");
+	_break();
+#endif
+
 	printf("Press any key to continue.\n");
 
 	if (!gfx_frame_start())
@@ -157,12 +160,13 @@ void wii_memstats(void) {
 int main(int argc, char *argv[]) {
 	s32 res;
 
-#ifdef USE_WII_DI
+#if defined(USE_WII_DI) && !defined(GAMECUBE)
 	DI_Init();
 #endif
 
 	VIDEO_Init();
 	PAD_Init();
+	DSP_Init();
 	AUDIO_Init(NULL);
 
 	gfx_video_init(NULL);
diff --git a/backends/platform/wii/options.cpp b/backends/platform/wii/options.cpp
index 295856d564..0a21b45561 100644
--- a/backends/platform/wii/options.cpp
+++ b/backends/platform/wii/options.cpp
@@ -22,7 +22,7 @@
 
 #include <errno.h>
 #include <network.h>
-#include <gfx/gfx.h>
+#include <gxflux/gfx.h>
 
 #include "common/config-manager.h"
 #include "gui/dialog.h"
@@ -133,11 +133,9 @@ WiiOptionsDialog::~WiiOptionsDialog() {
 }
 
 void WiiOptionsDialog::handleTickle() {
-#ifndef GAMECUBE
 	WiiFilesystemFactory &fsf = WiiFilesystemFactory::instance();
 
 	int tab = _tab->getActiveTab();
-#endif
 
 #ifdef USE_WII_DI
 	if (tab == _tabDVD) {
@@ -198,9 +196,7 @@ void WiiOptionsDialog::handleTickle() {
 
 void WiiOptionsDialog::handleCommand(CommandSender *sender, uint32 cmd,
 										uint32 data) {
-#ifndef GAMECUBE
 	WiiFilesystemFactory &fsf = WiiFilesystemFactory::instance();
-#endif
 
 	switch (cmd) {
 	case 'x':
diff --git a/backends/platform/wii/osystem.h b/backends/platform/wii/osystem.h
index 8180d5727f..eaaf616538 100644
--- a/backends/platform/wii/osystem.h
+++ b/backends/platform/wii/osystem.h
@@ -26,7 +26,7 @@
 #include <gccore.h>
 #include <ogcsys.h>
 
-#include <gfx/gfx.h>
+#include <gxflux/gfx.h>
 
 #include "base/main.h"
 #include "common/fs.h"
diff --git a/backends/platform/wii/osystem_gfx.cpp b/backends/platform/wii/osystem_gfx.cpp
index 19190048a0..3ce6343800 100644
--- a/backends/platform/wii/osystem_gfx.cpp
+++ b/backends/platform/wii/osystem_gfx.cpp
@@ -21,8 +21,7 @@
 
 #include <malloc.h>
 
-#include <gfx/gfx.h>
-#include <gfx/gfx_con.h>
+#include <gxflux/gfx_con.h>
 
 #include "common/config-manager.h"
 #include "graphics/conversion.h"
diff --git a/backends/platform/wii/osystem_sfx.cpp b/backends/platform/wii/osystem_sfx.cpp
index d2e884aa22..6efb47ff33 100644
--- a/backends/platform/wii/osystem_sfx.cpp
+++ b/backends/platform/wii/osystem_sfx.cpp
@@ -25,7 +25,8 @@
 
 #define SFX_THREAD_STACKSIZE (1024 * 128)
 #define SFX_THREAD_PRIO 80
-#define SFX_THREAD_FRAG_SIZE 4096
+#define SFX_THREAD_FRAG_SIZE 2048
+#define SFX_BUFFERS 3
 
 static lwpq_t sfx_queue;
 static lwp_t sfx_thread;
@@ -33,20 +34,18 @@ static u8 *sfx_stack;
 static bool sfx_thread_running = false;
 static bool sfx_thread_quit = false;
 
-static u8 sb = 0;
-static u8 *sound_buffer[2];
+static u32 sb_hw;
+static u8 *sound_buffer[SFX_BUFFERS];
 
 static void audio_switch_buffers() {
-	AUDIO_StopDMA();
-	AUDIO_InitDMA((u32) sound_buffer[sb], SFX_THREAD_FRAG_SIZE);
-	AUDIO_StartDMA();
-
+	sb_hw = (sb_hw + 1) % SFX_BUFFERS;
+	AUDIO_InitDMA((u32) sound_buffer[sb_hw], SFX_THREAD_FRAG_SIZE);
 	LWP_ThreadSignal(sfx_queue);
 }
 
 static void * sfx_thread_func(void *arg) {
 	Audio::MixerImpl *mixer = (Audio::MixerImpl *) arg;
-	u8 next_sb;
+	u8 sb_sw;
 
 	while (true) {
 		LWP_ThreadSleep(sfx_queue);
@@ -54,11 +53,15 @@ static void * sfx_thread_func(void *arg) {
 		if (sfx_thread_quit)
 			break;
 
-		next_sb = sb ^ 1;
-		mixer->mixCallback(sound_buffer[next_sb], SFX_THREAD_FRAG_SIZE);
-		DCFlushRange(sound_buffer[next_sb], SFX_THREAD_FRAG_SIZE);
-
-		sb = next_sb;
+		// the hardware uses two buffers: a front and a back buffer
+		// we use 3 buffers here: two are beeing pushed to the DSP,
+		// and the free one is where our mixer writes to
+		// thus the latency of our steam is:
+		// 2048 [frag size] / 48000 / 2 [16bit] / 2 [stereo] * 2 [hw buffers]
+		// -> 21.3ms
+		sb_sw = (sb_hw + 1) % SFX_BUFFERS;
+		mixer->mixCallback(sound_buffer[sb_sw], SFX_THREAD_FRAG_SIZE);
+		DCFlushRange(sound_buffer[sb_sw], SFX_THREAD_FRAG_SIZE);
 	}
 
 	return NULL;
@@ -89,21 +92,20 @@ void OSystem_Wii::initSfx() {
 		sfx_thread_running = true;
 	}
 
-	sound_buffer[0] = (u8 *) memalign(32, SFX_THREAD_FRAG_SIZE);
-	sound_buffer[1] = (u8 *) memalign(32, SFX_THREAD_FRAG_SIZE);
-
-	memset(sound_buffer[0], 0, SFX_THREAD_FRAG_SIZE);
-	memset(sound_buffer[1], 0, SFX_THREAD_FRAG_SIZE);
-
-	DCFlushRange(sound_buffer[0], SFX_THREAD_FRAG_SIZE);
-	DCFlushRange(sound_buffer[1], SFX_THREAD_FRAG_SIZE);
+	for (u32 i = 0; i < SFX_BUFFERS; ++i) {
+		sound_buffer[i] = (u8 *) memalign(32, SFX_THREAD_FRAG_SIZE);
+		memset(sound_buffer[i], 0, SFX_THREAD_FRAG_SIZE);
+		DCFlushRange(sound_buffer[i], SFX_THREAD_FRAG_SIZE);
+	}
 
 	_mixer->setReady(true);
 
+	sb_hw = 0;
+
 	AUDIO_SetDSPSampleRate(AI_SAMPLERATE_48KHZ);
 	AUDIO_RegisterDMACallback(audio_switch_buffers);
-
-	audio_switch_buffers();
+	AUDIO_InitDMA((u32) sound_buffer[sb_hw], SFX_THREAD_FRAG_SIZE);
+	AUDIO_StartDMA();
 }
 
 void OSystem_Wii::deinitSfx() {
@@ -123,8 +125,8 @@ void OSystem_Wii::deinitSfx() {
 		free(sfx_stack);
 		sfx_thread_running = false;
 
-		free(sound_buffer[0]);
-		free(sound_buffer[1]);
+		for (u32 i = 0; i < SFX_BUFFERS; ++i)
+			free(sound_buffer[i]);
 	}
 }