void gfxInit()
{
gspInit();
gfxSharedMemory=(u8*)0x10002000;
GSPGPU_AcquireRight(NULL, 0x0);
//setup our gsp shared mem section
svcCreateEvent(&gspEvent, 0x0);
GSPGPU_RegisterInterruptRelayQueue(NULL, gspEvent, 0x1, &gspSharedMemHandle, &gfxThreadID);
svcMapMemoryBlock(gspSharedMemHandle, (u32)gfxSharedMemory, 0x3, 0x10000000);
// default gspHeap configuration :
// topleft1 0x00000000-0x00046500
// topleft2 0x00046500-0x0008CA00
// bottom1 0x0008CA00-0x000C4E00
// bottom2 0x000C4E00-0x000FD200
// if 3d enabled :
// topright1 0x000FD200-0x00143700
// topright2 0x00143700-0x00189C00
gfxTopLeftFramebuffers[0]=linearAlloc(0x46500);
gfxTopLeftFramebuffers[1]=linearAlloc(0x46500);
gfxBottomFramebuffers[0]=linearAlloc(0x38400);
gfxBottomFramebuffers[1]=linearAlloc(0x38400);
gfxTopRightFramebuffers[0]=linearAlloc(0x46500);
gfxTopRightFramebuffers[1]=linearAlloc(0x46500);
enable3d=false;
//initialize framebuffer info structures
gfxSetFramebufferInfo(GFX_TOP, 0);
gfxSetFramebufferInfo(GFX_BOTTOM, 0);
//GSP shared mem : 0x2779F000
gxCmdBuf=(u32*)(gfxSharedMemory+0x800+gfxThreadID*0x200);
currentBuffer[0]=0;
currentBuffer[1]=0;
// Initialize event handler and wait for VBlank
gspInitEventHandler(gspEvent, (vu8*)gfxSharedMemory, gfxThreadID);
gspWaitForVBlank();
GSPGPU_SetLcdForceBlack(NULL, 0x0);
}
void gfxInit(GSPGPU_FramebufferFormats topFormat, GSPGPU_FramebufferFormats bottomFormat, bool vrambuffers)
{
void *(*screenAlloc)(size_t);
if (vrambuffers)
{
screenAlloc=vramAlloc;
screenFree=vramFree;
} else {
screenAlloc=linearAlloc;
screenFree=linearFree;
}
gspInit();
gfxSharedMemory=(u8*)mappableAlloc(0x1000);
GSPGPU_AcquireRight(0x0);
//setup our gsp shared mem section
svcCreateEvent(&gspEvent, 0x0);
GSPGPU_RegisterInterruptRelayQueue(gspEvent, 0x1, &gspSharedMemHandle, &gfxThreadID);
svcMapMemoryBlock(gspSharedMemHandle, (u32)gfxSharedMemory, 0x3, 0x10000000);
// default gspHeap configuration :
// topleft1 0x00000000-0x00046500
// topleft2 0x00046500-0x0008CA00
// bottom1 0x0008CA00-0x000C4E00
// bottom2 0x000C4E00-0x000FD200
// if 3d enabled :
// topright1 0x000FD200-0x00143700
// topright2 0x00143700-0x00189C00
u32 topSize = 400 * 240 * __get_bytes_per_pixel(topFormat);
u32 bottomSize = 320 * 240 * __get_bytes_per_pixel(bottomFormat);
gfxTopLeftFramebuffers[0]=screenAlloc(topSize);
gfxTopLeftFramebuffers[1]=screenAlloc(topSize);
gfxBottomFramebuffers[0]=screenAlloc(bottomSize);
gfxBottomFramebuffers[1]=screenAlloc(bottomSize);
gfxTopRightFramebuffers[0]=screenAlloc(topSize);
gfxTopRightFramebuffers[1]=screenAlloc(topSize);
enable3d=false;
//set requested modes
gfxSetScreenFormat(GFX_TOP,topFormat);
gfxSetScreenFormat(GFX_BOTTOM,bottomFormat);
//initialize framebuffer info structures
gfxSetFramebufferInfo(GFX_TOP, 0);
gfxSetFramebufferInfo(GFX_BOTTOM, 0);
//GSP shared mem : 0x2779F000
gxCmdBuf=(u32*)(gfxSharedMemory+0x800+gfxThreadID*0x200);
currentBuffer[0]=0;
currentBuffer[1]=0;
// Initialize event handler and wait for VBlank
gspInitEventHandler(gspEvent, (vu8*) gfxSharedMemory, gfxThreadID);
gspWaitForVBlank();
GSPGPU_SetLcdForceBlack(0x0);
}
D3DSDevice
D3DSDevice::CreateDevice(
GSPGPU_FramebufferFormats FBFormatTop,
GSPGPU_FramebufferFormats FBFormatBottom,
bool bVRamBuffers,
bool bEnable3D )
{
D3DSDevice device;
device.m_b3DEnabled = bEnable3D;
device.m_FBFormatTop = FBFormatTop;
device.m_FBFormatBottom = FBFormatBottom;
// select allocator
void* (*allocator)(size_t);
if (bVRamBuffers)
{
allocator = vramAlloc;
device.dealloc = vramFree;
}
else
{
allocator = linearAlloc;
device.dealloc = linearFree;
}
gspInit();
device.m_pSharedMemory = (u8*) mappableAlloc( 0x1000 );
GSPGPU_AcquireRight( 0x0 );
// create shared memory
svcCreateEvent( &device.m_hGSPEvent, 0x0 );
GSPGPU_RegisterInterruptRelayQueue( device.m_hGSPEvent, 0x1, &device.m_hGSPSharedMemory, &device.m_ThreadId );
svcMapMemoryBlock( device.m_hGSPSharedMemory,
(u32)device.m_pSharedMemory,
(MemPerm)(MEMPERM_READ|MEMPERM_WRITE),
MEMPERM_DONTCARE );
// allocate framebuffers...
u32 bytes_top = 400 * 240 * D3DSDevice::GetBytesPerPixel( FBFormatTop );
u32 bytes_bottom = 320 * 240 * D3DSDevice::GetBytesPerPixel( FBFormatBottom );
device.m_FBBottom[0] = (u8*) allocator( bytes_bottom );
device.m_FBBottom[1] = (u8*) allocator( bytes_bottom );
device.m_FBTop[ 0 ] = (u8*) allocator( bytes_top );
device.m_FBTop[ 1 ] = (u8*) allocator( bytes_top );
if (device.m_b3DEnabled)
{
device.m_FBTop[ 2 ] = (u8*) allocator( bytes_top );
device.m_FBTop[ 3 ] = (u8*) allocator( bytes_top );
}
device.SetFramebufferInfo( D3DS_SCREEN_TOP, 0 );
device.SetFramebufferInfo( D3DS_SCREEN_BOTTOM, 0 );
gxCmdBuf = (u32*) (device.m_pSharedMemory + 0x800 + device.m_ThreadId*0x200 );
gspInitEventHandler( device.m_hGSPEvent, (vu8*)device.m_pSharedMemory, device.m_ThreadId );
gspWaitForVBlank();
GSPGPU_SetLcdForceBlack( 0x0 );
return device;
}
