enum PVRSRV_ERROR PVRSRVSwapToDCSystemKM(void *hDeviceKM, void *hSwapChain)
{
enum PVRSRV_ERROR eError;
struct PVRSRV_QUEUE_INFO *psQueue;
struct PVRSRV_DISPLAYCLASS_INFO *psDCInfo;
struct PVRSRV_DC_SWAPCHAIN *psSwapChain;
struct DISPLAYCLASS_FLIP_COMMAND *psFlipCmd;
IMG_BOOL bStart = IMG_FALSE;
u32 uiStart = 0;
u32 ui32NumSrcSyncs = 1;
struct PVRSRV_KERNEL_SYNC_INFO *apsSrcSync[2];
struct PVRSRV_COMMAND *psCommand;
if (!hDeviceKM || !hSwapChain) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCSystemKM: Invalid parameters");
return PVRSRV_ERROR_INVALID_PARAMS;
}
psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM);
psSwapChain = (struct PVRSRV_DC_SWAPCHAIN *)hSwapChain;
psQueue = psSwapChain->psQueue;
apsSrcSync[0] =
psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo;
if (psSwapChain->psLastFlipBuffer) {
apsSrcSync[1] =
psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.
psKernelSyncInfo;
ui32NumSrcSyncs++;
}
eError = PVRSRVInsertCommandKM(psQueue, &psCommand,
psDCInfo->ui32DeviceID, DC_FLIP_COMMAND,
0, NULL, ui32NumSrcSyncs, apsSrcSync,
sizeof(struct DISPLAYCLASS_FLIP_COMMAND));
if (eError != PVRSRV_OK) {
PVR_DPF(PVR_DBG_ERROR, "PVRSRVSwapToDCSystemKM: "
"Failed to get space in queue");
goto Exit;
}
psFlipCmd = (struct DISPLAYCLASS_FLIP_COMMAND *)psCommand->pvData;
psFlipCmd->hExtDevice = psDCInfo->hExtDevice;
psFlipCmd->hExtSwapChain = psSwapChain->hExtSwapChain;
psFlipCmd->hExtBuffer =
psDCInfo->sSystemBuffer.sDeviceClassBuffer.hExtBuffer;
psFlipCmd->hPrivateTag = NULL;
psFlipCmd->ui32ClipRectCount = 0;
psFlipCmd->ui32SwapInterval = 1;
eError = PVRSRVSubmitCommandKM(psQueue, psCommand);
if (eError != PVRSRV_OK) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCSystemKM: Failed to submit command");
goto Exit;
}
do {
if (PVRSRVProcessQueues(KERNEL_ID, IMG_FALSE) !=
PVRSRV_ERROR_PROCESSING_BLOCKED)
goto ProcessedQueues;
if (bStart == IMG_FALSE) {
uiStart = OSClockus();
bStart = IMG_TRUE;
}
OSWaitus(MAX_HW_TIME_US / WAIT_TRY_COUNT);
} while ((OSClockus() - uiStart) < MAX_HW_TIME_US);
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCSystemKM: Failed to process queues");
eError = PVRSRV_ERROR_GENERIC;
goto Exit;
ProcessedQueues:
psSwapChain->psLastFlipBuffer = &psDCInfo->sSystemBuffer;
eError = PVRSRV_OK;
Exit:
return eError;
}
enum PVRSRV_ERROR PVRSRVSwapToDCBufferKM(void *hDeviceKM, void *hBuffer,
u32 ui32SwapInterval, void *hPrivateTag,
u32 ui32ClipRectCount,
struct IMG_RECT *psClipRect)
{
enum PVRSRV_ERROR eError;
struct PVRSRV_DISPLAYCLASS_INFO *psDCInfo;
struct PVRSRV_DC_BUFFER *psBuffer;
struct PVRSRV_QUEUE_INFO *psQueue;
struct DISPLAYCLASS_FLIP_COMMAND *psFlipCmd;
u32 i;
u32 ui32NumSrcSyncs = 1;
struct PVRSRV_KERNEL_SYNC_INFO *apsSrcSync[2];
struct PVRSRV_COMMAND *psCommand;
if (!hDeviceKM || !hBuffer || !psClipRect) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCBufferKM: Invalid parameters");
return PVRSRV_ERROR_INVALID_PARAMS;
}
psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM);
psBuffer = (struct PVRSRV_DC_BUFFER *)hBuffer;
psQueue = psBuffer->psSwapChain->psQueue;
apsSrcSync[0] = psBuffer->sDeviceClassBuffer.psKernelSyncInfo;
if (psBuffer->psSwapChain->psLastFlipBuffer &&
psBuffer != psBuffer->psSwapChain->psLastFlipBuffer) {
apsSrcSync[1] =
psBuffer->psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.
psKernelSyncInfo;
ui32NumSrcSyncs++;
}
eError = PVRSRVInsertCommandKM(psQueue, &psCommand,
psDCInfo->ui32DeviceID, DC_FLIP_COMMAND,
0, NULL, ui32NumSrcSyncs, apsSrcSync,
sizeof(struct DISPLAYCLASS_FLIP_COMMAND) +
(sizeof(struct IMG_RECT) *
ui32ClipRectCount));
if (eError != PVRSRV_OK) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCBufferKM: Failed to get space in queue");
goto Exit;
}
psFlipCmd = (struct DISPLAYCLASS_FLIP_COMMAND *)psCommand->pvData;
psFlipCmd->hExtDevice = psDCInfo->hExtDevice;
psFlipCmd->hExtSwapChain = psBuffer->psSwapChain->hExtSwapChain;
psFlipCmd->hExtBuffer = psBuffer->sDeviceClassBuffer.hExtBuffer;
psFlipCmd->hPrivateTag = hPrivateTag;
psFlipCmd->ui32ClipRectCount = ui32ClipRectCount;
psFlipCmd->psClipRect =
(struct IMG_RECT *)((u8 *) psFlipCmd +
sizeof(struct DISPLAYCLASS_FLIP_COMMAND));
for (i = 0; i < ui32ClipRectCount; i++)
psFlipCmd->psClipRect[i] = psClipRect[i];
psFlipCmd->ui32SwapInterval = ui32SwapInterval;
eError = PVRSRVSubmitCommandKM(psQueue, psCommand);
if (eError != PVRSRV_OK) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCBufferKM: Failed to submit command");
goto Exit;
}
LOOP_UNTIL_TIMEOUT(MAX_HW_TIME_US) {
if (PVRSRVProcessQueues(IMG_FALSE) !=
PVRSRV_ERROR_PROCESSING_BLOCKED) {
goto ProcessedQueues;
}
OSWaitus(MAX_HW_TIME_US / WAIT_TRY_COUNT);
}
END_LOOP_UNTIL_TIMEOUT();
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSwapToDCBufferKM: Failed to process queues");
eError = PVRSRV_ERROR_GENERIC;
goto Exit;
ProcessedQueues:
psBuffer->psSwapChain->psLastFlipBuffer = psBuffer;
Exit:
return eError;
}
IMG_EXPORT
PVRSRV_ERROR PVRSRVSwapToDCSystemKM(IMG_HANDLE hDeviceKM,
IMG_HANDLE hSwapChain)
{
PVRSRV_ERROR eError;
PVRSRV_QUEUE_INFO *psQueue;
PVRSRV_DISPLAYCLASS_INFO *psDCInfo;
PVRSRV_DC_SWAPCHAIN *psSwapChain;
DISPLAYCLASS_FLIP_COMMAND *psFlipCmd;
IMG_UINT32 ui32NumSrcSyncs = 1;
PVRSRV_KERNEL_SYNC_INFO *apsSrcSync[2];
PVRSRV_COMMAND *psCommand;
if(!hDeviceKM || !hSwapChain)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Invalid parameters"));
return PVRSRV_ERROR_INVALID_PARAMS;
}
#if defined(SUPPORT_LMA)
eError = PVRSRVPowerLock(KERNEL_ID, IMG_FALSE);
if(eError != PVRSRV_OK)
{
return eError;
}
#endif
psDCInfo = DCDeviceHandleToDCInfo(hDeviceKM);
psSwapChain = (PVRSRV_DC_SWAPCHAIN*)hSwapChain;
psQueue = psSwapChain->psQueue;
apsSrcSync[0] = psDCInfo->sSystemBuffer.sDeviceClassBuffer.psKernelSyncInfo;
if(psSwapChain->psLastFlipBuffer)
{
if (apsSrcSync[0] != psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.psKernelSyncInfo)
{
apsSrcSync[1] = psSwapChain->psLastFlipBuffer->sDeviceClassBuffer.psKernelSyncInfo;
ui32NumSrcSyncs++;
}
}
eError = PVRSRVInsertCommandKM (psQueue,
&psCommand,
psDCInfo->ui32DeviceID,
DC_FLIP_COMMAND,
0,
IMG_NULL,
ui32NumSrcSyncs,
apsSrcSync,
sizeof(DISPLAYCLASS_FLIP_COMMAND));
if(eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Failed to get space in queue"));
goto Exit;
}
psFlipCmd = (DISPLAYCLASS_FLIP_COMMAND*)psCommand->pvData;
psFlipCmd->hExtDevice = psDCInfo->hExtDevice;
psFlipCmd->hExtSwapChain = psSwapChain->hExtSwapChain;
psFlipCmd->hExtBuffer = psDCInfo->sSystemBuffer.sDeviceClassBuffer.hExtBuffer;
psFlipCmd->hPrivateTag = IMG_NULL;
psFlipCmd->ui32ClipRectCount = 0;
psFlipCmd->ui32SwapInterval = 1;
eError = PVRSRVSubmitCommandKM (psQueue, psCommand);
if (eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Failed to submit command"));
goto Exit;
}
LOOP_UNTIL_TIMEOUT(MAX_HW_TIME_US)
{
if(PVRSRVProcessQueues(KERNEL_ID, IMG_FALSE) != PVRSRV_ERROR_PROCESSING_BLOCKED)
{
goto ProcessedQueues;
}
OSWaitus(MAX_HW_TIME_US/WAIT_TRY_COUNT);
} END_LOOP_UNTIL_TIMEOUT();
PVR_DPF((PVR_DBG_ERROR,"PVRSRVSwapToDCSystemKM: Failed to process queues"));
eError = PVRSRV_ERROR_GENERIC;
goto Exit;
ProcessedQueues:
psSwapChain->psLastFlipBuffer = &psDCInfo->sSystemBuffer;
eError = PVRSRV_OK;
Exit:
#if defined(SUPPORT_LMA)
PVRSRVPowerUnlock(KERNEL_ID);
#endif
return eError;
}