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C++ PVRSRV_DEVICE_NODE::pfnAllocMemTilingRange方法代码示例

本文整理汇总了C++中PVRSRV_DEVICE_NODE::pfnAllocMemTilingRange方法的典型用法代码示例。如果您正苦于以下问题:C++ PVRSRV_DEVICE_NODE::pfnAllocMemTilingRange方法的具体用法?C++ PVRSRV_DEVICE_NODE::pfnAllocMemTilingRange怎么用?C++ PVRSRV_DEVICE_NODE::pfnAllocMemTilingRange使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PVRSRV_DEVICE_NODE的用法示例。


在下文中一共展示了PVRSRV_DEVICE_NODE::pfnAllocMemTilingRange方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: PVRSRVMapDeviceClassMemoryKM


//.........这里部分代码省略.........
					   pvPageAlignedCPUVAddr,
					   &psMemInfo->ui32Flags,
					   &hBuffer);

	if (!bBMError)
	{
		PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: BM_Wrap Failed"));
		
		eError = PVRSRV_ERROR_BAD_MAPPING;
		goto ErrorExitPhase2;
	}

	
	psMemBlock->sDevVirtAddr = BM_HandleToDevVaddr(hBuffer);
	psMemBlock->hOSMemHandle = BM_HandleToOSMemHandle(hBuffer);

	
	psMemBlock->hBuffer = (IMG_HANDLE)hBuffer;

	

	psMemInfo->pvLinAddrKM = BM_HandleToCpuVaddr(hBuffer);

	
	psMemInfo->sDevVAddr = psMemBlock->sDevVirtAddr;
	psMemInfo->ui32AllocSize = ui32ByteSize;
	psMemInfo->psKernelSyncInfo = psDeviceClassBuffer->psKernelSyncInfo;

	

	psMemInfo->pvSysBackupBuffer = IMG_NULL;

	
	psDCMapInfo->psMemInfo = psMemInfo;

#if defined(SUPPORT_MEMORY_TILING)
	psDCMapInfo->psDeviceNode = psDeviceNode;

	if(psDCMapInfo->ui32TilingStride > 0)
	{
		
		eError = psDeviceNode->pfnAllocMemTilingRange(psDeviceNode,
														psMemInfo,
														psDCMapInfo->ui32TilingStride,
														&psDCMapInfo->ui32RangeIndex);
		if (eError != PVRSRV_OK)
		{
			PVR_DPF((PVR_DBG_ERROR,"PVRSRVMapDeviceClassMemoryKM: AllocMemTilingRange failed"));
			goto ErrorExitPhase3;
		}
	}
#endif

	
	psMemInfo->sMemBlk.hResItem = ResManRegisterRes(psPerProc->hResManContext,
													RESMAN_TYPE_DEVICECLASSMEM_MAPPING,
													psDCMapInfo,
													0,
													&UnmapDeviceClassMemoryCallBack);

	psMemInfo->ui32RefCount++;

	psMemInfo->memType = PVRSRV_MEMTYPE_DEVICECLASS;

	
	*ppsMemInfo = psMemInfo;

#if defined(SUPPORT_PDUMP_MULTI_PROCESS)

	PDUMPCOMMENT("Dump display surface");
	PDUMPMEM(IMG_NULL, psMemInfo, ui32Offset, psMemInfo->ui32AllocSize, PDUMP_FLAGS_CONTINUOUS, ((BM_BUF*)psMemInfo->sMemBlk.hBuffer)->pMapping);
#endif
	return PVRSRV_OK;

#if defined(SUPPORT_MEMORY_TILING)
ErrorExitPhase3:
	if(psMemInfo)
	{
		FreeDeviceMem(psMemInfo);
		


		psMemInfo = IMG_NULL;
	}
#endif

ErrorExitPhase2:
	if(psMemInfo)
	{
		OSFreeMem(PVRSRV_PAGEABLE_SELECT, sizeof(PVRSRV_KERNEL_MEM_INFO), psMemInfo, IMG_NULL);
	}

ErrorExitPhase1:
	if(psDCMapInfo)
	{
		OSFreeMem(PVRSRV_OS_PAGEABLE_HEAP, sizeof(PVRSRV_KERNEL_MEM_INFO), psDCMapInfo, IMG_NULL);
	}

	return eError;
}
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