C++ (Cpp) BM_CreateContext Exemples

Exemple #1

IMG_EXPORT
PVRSRV_ERROR IMG_CALLCONV PVRSRVCreateDeviceMemContextKM(IMG_HANDLE					hDevCookie,
														 PVRSRV_PER_PROCESS_DATA	*psPerProc,
														 IMG_HANDLE 				*phDevMemContext,
														 IMG_UINT32 				*pui32ClientHeapCount,
														 PVRSRV_HEAP_INFO			*psHeapInfo,
														 IMG_BOOL					*pbCreated,
														 IMG_BOOL 					*pbShared)
{
	PVRSRV_DEVICE_NODE *psDeviceNode;
	IMG_UINT32 ui32HeapCount, ui32ClientHeapCount=0;
	DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap;
	IMG_HANDLE hDevMemContext;
	IMG_HANDLE hDevMemHeap;
	IMG_DEV_PHYADDR sPDDevPAddr;
	IMG_UINT32 i;

#if !defined(PVR_SECURE_HANDLES)
	PVR_UNREFERENCED_PARAMETER(pbShared);
#endif

	if (hDevCookie == IMG_NULL)
	{
		PVR_DPF((PVR_DBG_ERROR, "PVRSRVCreateDeviceMemContextKM: hDevCookie invalid"));
		PVR_DBG_BREAK;
		return PVRSRV_ERROR_INVALID_PARAMS;
	}

	psDeviceNode = (PVRSRV_DEVICE_NODE *)hDevCookie;

	

	ui32HeapCount = psDeviceNode->sDevMemoryInfo.ui32HeapCount;
	psDeviceMemoryHeap = psDeviceNode->sDevMemoryInfo.psDeviceMemoryHeap;

	

	PVR_ASSERT(ui32HeapCount <= PVRSRV_MAX_CLIENT_HEAPS);

	

	hDevMemContext = BM_CreateContext(psDeviceNode,
									  &sPDDevPAddr,
									  psPerProc,
									  pbCreated);
	if (hDevMemContext == IMG_NULL)
	{
		PVR_DPF((PVR_DBG_ERROR,"PVRSRVCreateDeviceMemContextKM: Failed BM_CreateContext"));
		return PVRSRV_ERROR_OUT_OF_MEMORY;
	}

	
	for(i=0; i<ui32HeapCount; i++)
	{
		switch(psDeviceMemoryHeap[i].DevMemHeapType)
		{
			case DEVICE_MEMORY_HEAP_SHARED_EXPORTED:
			{
				
				psHeapInfo[ui32ClientHeapCount].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID;
				psHeapInfo[ui32ClientHeapCount].hDevMemHeap = psDeviceMemoryHeap[i].hDevMemHeap;
				psHeapInfo[ui32ClientHeapCount].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase;
				psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize;
				psHeapInfo[ui32ClientHeapCount].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs;
#if defined(PVR_SECURE_HANDLES)
				pbShared[ui32ClientHeapCount] = IMG_TRUE;
#endif
				ui32ClientHeapCount++;
				break;
			}
			case DEVICE_MEMORY_HEAP_PERCONTEXT:
			{
				hDevMemHeap = BM_CreateHeap(hDevMemContext,
											&psDeviceMemoryHeap[i]);

				
				psHeapInfo[ui32ClientHeapCount].ui32HeapID = psDeviceMemoryHeap[i].ui32HeapID;
				psHeapInfo[ui32ClientHeapCount].hDevMemHeap = hDevMemHeap;
				psHeapInfo[ui32ClientHeapCount].sDevVAddrBase = psDeviceMemoryHeap[i].sDevVAddrBase;
				psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize = psDeviceMemoryHeap[i].ui32HeapSize;
				psHeapInfo[ui32ClientHeapCount].ui32Attribs = psDeviceMemoryHeap[i].ui32Attribs;
#if defined(PVR_SECURE_HANDLES)
				pbShared[ui32ClientHeapCount] = IMG_FALSE;
#endif

				ui32ClientHeapCount++;
				break;
			}
		}
	}

	
	*pui32ClientHeapCount = ui32ClientHeapCount;
	*phDevMemContext = hDevMemContext;

	return PVRSRV_OK;
}

Exemple #2

Fichier : devicemem.c Projet : AnadoluPanteri/kernel-plus-harmattan-1

enum PVRSRV_ERROR PVRSRVCreateDeviceMemContextKM(void *hDevCookie,
			     struct PVRSRV_PER_PROCESS_DATA *psPerProc,
			     void **phDevMemContext,
			     u32 *pui32ClientHeapCount,
			     struct PVRSRV_HEAP_INFO *psHeapInfo,
			     IMG_BOOL *pbCreated, IMG_BOOL *pbShared)
{
	struct PVRSRV_DEVICE_NODE *psDeviceNode;
	u32 ui32HeapCount, ui32ClientHeapCount = 0;
	struct DEVICE_MEMORY_HEAP_INFO *psDeviceMemoryHeap;
	void *hDevMemContext;
	void *hDevMemHeap;
	struct IMG_DEV_PHYADDR sPDDevPAddr;
	u32 i;

	if (hDevCookie == NULL) {
		PVR_DPF(PVR_DBG_ERROR,
			 "PVRSRVCreateDeviceMemContextKM: hDevCookie invalid");
		PVR_DBG_BREAK;
		return PVRSRV_ERROR_INVALID_PARAMS;
	}

	psDeviceNode = (struct PVRSRV_DEVICE_NODE *)hDevCookie;

	ui32HeapCount = psDeviceNode->sDevMemoryInfo.ui32HeapCount;
	psDeviceMemoryHeap = psDeviceNode->sDevMemoryInfo.psDeviceMemoryHeap;

	PVR_ASSERT(ui32HeapCount <= PVRSRV_MAX_CLIENT_HEAPS);

	hDevMemContext = BM_CreateContext(psDeviceNode,
					  &sPDDevPAddr, psPerProc, pbCreated);
	if (hDevMemContext == NULL) {
		PVR_DPF(PVR_DBG_ERROR,
		"PVRSRVCreateDeviceMemContextKM: Failed BM_CreateContext");
		return PVRSRV_ERROR_OUT_OF_MEMORY;
	}

	for (i = 0; i < ui32HeapCount; i++) {
		switch (psDeviceMemoryHeap[i].DevMemHeapType) {
		case DEVICE_MEMORY_HEAP_SHARED_EXPORTED:
			psHeapInfo[ui32ClientHeapCount].ui32HeapID =
				    psDeviceMemoryHeap[i].ui32HeapID;
			psHeapInfo[ui32ClientHeapCount].hDevMemHeap =
				    psDeviceMemoryHeap[i].hDevMemHeap;
			psHeapInfo[ui32ClientHeapCount].sDevVAddrBase =
				    psDeviceMemoryHeap[i].sDevVAddrBase;
			psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize =
				    psDeviceMemoryHeap[i].ui32HeapSize;
			psHeapInfo[ui32ClientHeapCount].ui32Attribs =
				    psDeviceMemoryHeap[i].ui32Attribs;
			pbShared[ui32ClientHeapCount] = IMG_TRUE;
			ui32ClientHeapCount++;
			break;
		case DEVICE_MEMORY_HEAP_PERCONTEXT:
			hDevMemHeap = BM_CreateHeap(hDevMemContext,
						    &psDeviceMemoryHeap[i]);

			psHeapInfo[ui32ClientHeapCount].ui32HeapID =
				    psDeviceMemoryHeap[i].ui32HeapID;
			psHeapInfo[ui32ClientHeapCount].hDevMemHeap =
				    hDevMemHeap;
			psHeapInfo[ui32ClientHeapCount].sDevVAddrBase =
				    psDeviceMemoryHeap[i].sDevVAddrBase;
			psHeapInfo[ui32ClientHeapCount].ui32HeapByteSize =
				    psDeviceMemoryHeap[i].ui32HeapSize;
			psHeapInfo[ui32ClientHeapCount].ui32Attribs =
				    psDeviceMemoryHeap[i].ui32Attribs;
			pbShared[ui32ClientHeapCount] = IMG_FALSE;

			ui32ClientHeapCount++;
			break;
		}
	}

	*pui32ClientHeapCount = ui32ClientHeapCount;
	*phDevMemContext = hDevMemContext;

	return PVRSRV_OK;
}