static void wiiu_gfx_free(void* data)
{
wiiu_video_t* wiiu = (wiiu_video_t*) data;
if (!wiiu)
return;
/* clear leftover image */
GX2ClearColor(&wiiu->color_buffer, 0.0f, 0.0f, 0.0f, 1.0f);
GX2CopyColorBufferToScanBuffer(&wiiu->color_buffer, GX2_SCAN_TARGET_DRC);
GX2CopyColorBufferToScanBuffer(&wiiu->color_buffer, GX2_SCAN_TARGET_TV);
GX2SwapScanBuffers();
GX2Flush();
GX2DrawDone();
GX2WaitForVsync();
GX2Shutdown();
GX2SetTVEnable(GX2_DISABLE);
GX2SetDRCEnable(GX2_DISABLE);
MEM2_free(wiiu->ctx_state);
MEM2_free(wiiu->cmd_buffer);
MEM2_free(wiiu->texture.surface.image);
MEM2_free(wiiu->menu.texture.surface.image);
MEM1_free(wiiu->color_buffer.surface.image);
MEMBucket_free(wiiu->tv_scan_buffer);
MEMBucket_free(wiiu->drc_scan_buffer);
MEM2_free(wiiu->shader->fs.program);
#ifndef GX2_CAN_ACCESS_DATA_SECTION
MEM2_free(wiiu->shader->vs.program);
MEM2_free(wiiu->shader->vs.attribVars);
MEM2_free(wiiu->shader->ps.program);
MEM2_free(wiiu->shader->ps.samplerVars);
MEM2_free(wiiu->shader);
#endif
MEM2_free(wiiu->position);
MEM2_free(wiiu->tex_coord);
MEM2_free(wiiu->menu.position);
MEM2_free(wiiu->menu.tex_coord);
free(wiiu);
}
void _start()
{
asm(
"lis %r1, 0x1ab5 ;"
"ori %r1, %r1, 0xd138 ;"
);
unsigned int coreinit_handle, gx2_handle;
OSDynLoad_Acquire("coreinit", &coreinit_handle);
OSDynLoad_Acquire("gx2", &gx2_handle);
//OS Memory functions
void*(*memset)(void * dest, unsigned int value, unsigned int bytes);
void*(*OSAllocFromSystem)(unsigned int size, int align);
void(*OSFreeToSystem)(void *ptr);
//IM functions
int(*IM_Open)();
int(*IM_Close)(int fd);
int(*IM_SetDeviceState)(int fd, void *mem, int state, int a, int b);
//OS Memory functions
OSDynLoad_FindExport(coreinit_handle, 0, "memset", &memset);
OSDynLoad_FindExport(coreinit_handle, 0, "OSAllocFromSystem", &OSAllocFromSystem);
OSDynLoad_FindExport(coreinit_handle, 0, "OSFreeToSystem", &OSFreeToSystem);
//IM functions
OSDynLoad_FindExport(coreinit_handle, 0, "IM_Open", &IM_Open);
OSDynLoad_FindExport(coreinit_handle, 0, "IM_Close", &IM_Close);
OSDynLoad_FindExport(coreinit_handle, 0, "IM_SetDeviceState", &IM_SetDeviceState);
//Restart system to get lib access
int fd = IM_Open();
void *mem = OSAllocFromSystem(0x100, 64);
memset(mem, 0, 0x100);
//set restart flag to force quit browser
IM_SetDeviceState(fd, mem, 3, 0, 0);
IM_Close(fd);
OSFreeToSystem(mem);
//wait a bit for browser end
unsigned int t1 = 0x1FFFFFFF;
while(t1--) ;
/* Get the framebuffer of the TV or DRC */
void(*GX2SwapScanBuffers)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2SwapScanBuffers", &GX2SwapScanBuffers);
unsigned char *abuseFunc = (unsigned char*)GX2SwapScanBuffers;
unsigned short f_hi = *(unsigned short*)(abuseFunc+0x12);
unsigned short f_lo = *(unsigned short*)(abuseFunc+0x16);
unsigned int gx2settingBase = (((f_lo & 0x8000) ? (f_hi-1) : f_hi) << 16) | f_lo;
unsigned int args[2];
args[0] = *((unsigned int*)(gx2settingBase + 0x304));
args[1] = *((unsigned int*)(gx2settingBase + 0x304 + 0x20));
int(*OSGetCoreId)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSGetCoreId", &OSGetCoreId);
void(*OSTestThreadCancel)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSTestThreadCancel", &OSTestThreadCancel);
void(*GX2Shutdown)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2Shutdown", &GX2Shutdown);
int(*GX2GetMainCoreId)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2GetMainCoreId", &GX2GetMainCoreId);
/* Prepare for our own death */
void*(*OSGetCurrentThread)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSGetCurrentThread", &OSGetCurrentThread);
void *myBorkedThread = OSGetCurrentThread();
int (*OSSuspendThread)(void *thread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSSuspendThread", &OSSuspendThread);
/* Prepare for thread startups */
int (*OSCreateThread)(void *thread, void *entry, int argc, void *args, unsigned int stack, unsigned int stack_size, int priority, unsigned short attr);
int (*OSResumeThread)(void *thread);
int (*OSIsThreadTerminated)(void *thread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSCreateThread", &OSCreateThread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSResumeThread", &OSResumeThread);
OSDynLoad_FindExport(coreinit_handle, 0, "OSIsThreadTerminated", &OSIsThreadTerminated);
/* Allocate a stack for the thread */
unsigned int stack = (unsigned int) OSAllocFromSystem(0x1000, 0x10);
stack += 0x1000;
/* Create the thread */
void *thread = OSAllocFromSystem(OSTHREAD_SIZE, 8);
if(OSGetCoreId() != GX2GetMainCoreId()) //needed for access without crashing
{
int ret = OSCreateThread(thread, GX2Shutdown, 0, (void*)0, stack, 0x1000, 0, 0x10 | (1<<GX2GetMainCoreId()));
if (ret == 0)
OSFatal("Failed to create thread");
/* Schedule it for execution */
OSResumeThread(thread);
while(OSIsThreadTerminated(thread) == 0) ;
}
else //same core, easy
GX2Shutdown();
//current thread is broken, switch to a working one in core 1
int ret = OSCreateThread(thread, myGXthread, 2, args, stack, 0x1000, 0, 0xA);
if (ret == 0)
OSFatal("Failed to create thread");
/* Schedule it for execution */
OSResumeThread(thread);
/* SO UGLY but it works magically */
while(1) ;
//would be better but again, crashes 5.3.2
//OSSuspendThread(myBorkedThread);
//OSFatal("I am still not dead!");
}
void myGXthread(int argc, int *argv)
{
if(argc != 2) OSFatal("GX Thread did not start proper!");
unsigned int *tv_fb = (unsigned int*)argv[0];
unsigned int *drc_fb = (unsigned int*)argv[1];
unsigned int coreinit_handle, gx2_handle;
OSDynLoad_Acquire("coreinit", &coreinit_handle);
OSDynLoad_Acquire("gx2", &gx2_handle);
void(*GX2Init)(void *args);
OSDynLoad_FindExport(gx2_handle, 0, "GX2Init", &GX2Init);
GX2Init((void*)0);
int(*OSGetCoreId)();
OSDynLoad_FindExport(coreinit_handle, 0, "OSGetCoreId", &OSGetCoreId);
void(*GX2SwapScanBuffers)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2SwapScanBuffers", &GX2SwapScanBuffers);
void(*GX2Shutdown)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2Shutdown", &GX2Shutdown);
int(*GX2GetMainCoreId)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2GetMainCoreId", &GX2GetMainCoreId);
if(OSGetCoreId() != GX2GetMainCoreId()) OSFatal("GX Not switched!");
void(*GX2DrawDone)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2DrawDone", &GX2DrawDone);
void(*GX2Flush)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2Flush", &GX2Flush);
//void(*GX2SwapScanBuffers)();
//OSDynLoad_FindExport(gx2_handle, 0, "GX2SwapScanBuffers", &GX2SwapScanBuffers);
void(*GX2WaitForVsync)();
OSDynLoad_FindExport(gx2_handle, 0, "GX2WaitForVsync", &GX2WaitForVsync);
//Make sure buffer is usable for GX
void(*GX2Invalidate)(unsigned int flags,void *buffer,unsigned int size);
OSDynLoad_FindExport(gx2_handle, 0, "GX2Invalidate", &GX2Invalidate);
GX2Invalidate(0x40,tv_fb,(1280*720*4)*2);
GX2Invalidate(0x40,drc_fb,(854*480*4)*2);
//set it!
int(*GX2SetTVBuffer)(void *buffer,unsigned int size,unsigned int flag1,unsigned int flag2,unsigned int flag3);
OSDynLoad_FindExport(gx2_handle, 0, "GX2SetTVBuffer", &GX2SetTVBuffer);
int(*GX2SetDRCBuffer)(void *buffer,unsigned int size,unsigned int flag1,unsigned int flag2,unsigned int flag3);
OSDynLoad_FindExport(gx2_handle, 0, "GX2SetDRCBuffer", &GX2SetDRCBuffer);
GX2SetTVBuffer(tv_fb,(1280*720*4)*2,3,0x1A,2); //test gradient demo setup for show
GX2SetDRCBuffer(drc_fb,(854*480*4)*2,1,0x1A,2); //will look broken, no color buffer setup yet
/* Draw is far from complete */
/*void(*GX2DrawEx)(int type, int count, int start, int instances);
OSDynLoad_FindExport(gx2_handle, 0, "GX2DrawEx", &GX2DrawEx);
void(*GX2SetAttribBuffer)(int index, int size, int vtxStride, void *buf);
OSDynLoad_FindExport(gx2_handle, 0, "GX2SetAttribBuffer", &GX2SetAttribBuffer);
float myclearer[8] =
{
0.0f, 0.0f,
1.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f
};
GX2Invalidate(0x40, myclearer, sizeof(myclearer));*/
GX2ColorBuffer myCBuf;
setupColorBuffer(&myCBuf, gx2_handle);
void(*GX2ClearColor)(GX2ColorBuffer *buffer, float r, float g, float b, float a);
OSDynLoad_FindExport(gx2_handle, 0, "GX2ClearColor", &GX2ClearColor);
void(*GX2SwapBuffers)(GX2ColorBuffer *buffer);
OSDynLoad_FindExport(gx2_handle, 0, "GX2SwapBuffers", &GX2SwapBuffers);
void(*GX2CopyColorBufferToScanBuffer)(GX2ColorBuffer *buffer, unsigned int target);
OSDynLoad_FindExport(gx2_handle, 0, "GX2CopyColorBufferToScanBuffer", &GX2CopyColorBufferToScanBuffer);
float val = 1;
float valInc = -0.005;
val += valInc;
while(val < 1)
{
val += valInc;
//GX2SetAttribBuffer(0,sizeof(mybuf),8,mybuf);
//GX2DrawEx(6,4,0,1);
GX2ClearColor(&myCBuf, val, val, val, 1);
GX2Invalidate(0x40, myCBuf.surface.imagePtr,myCBuf.surface.imageSize);
GX2DrawDone();
GX2Flush();
GX2CopyColorBufferToScanBuffer(&myCBuf,1);
GX2SwapScanBuffers();
GX2Flush();
GX2WaitForVsync();
if(val <= 0) valInc = 0.005;
}
//clear for browser (needed?)
GX2Shutdown();
void(*_Exit)();
OSDynLoad_FindExport(coreinit_handle, 0, "_Exit", &_Exit);
_Exit();
}
