| 510 | |
| 511 | |
| 512 | clfftStatus FFTGeneratedCopyAction::initParams () |
| 513 | { |
| 514 | |
| 515 | // Query the devices in this context for their local memory sizes |
| 516 | // How we generate a kernel depends on the *minimum* LDS size for all devices. |
| 517 | // |
| 518 | const FFTEnvelope * pEnvelope = NULL; |
| 519 | OPENCL_V(this->plan->GetEnvelope (& pEnvelope), _T("GetEnvelope failed")); |
| 520 | BUG_CHECK (NULL != pEnvelope); |
| 521 | |
| 522 | this->signature.fft_precision = this->plan->precision; |
| 523 | this->signature.fft_placeness = this->plan->placeness; |
| 524 | this->signature.fft_inputLayout = this->plan->inputLayout; |
| 525 | this->signature.fft_MaxWorkGroupSize = this->plan->envelope.limit_WorkGroupSize; |
| 526 | |
| 527 | ARG_CHECK (this->plan->inStride.size() == this->plan->outStride.size()) |
| 528 | |
| 529 | this->signature.fft_outputLayout = this->plan->outputLayout; |
| 530 | |
| 531 | this->signature.fft_DataDim = this->plan->length.size() + 1; |
| 532 | int i = 0; |
| 533 | for(i = 0; i < (this->signature.fft_DataDim - 1); i++) |
| 534 | { |
| 535 | this->signature.fft_N[i] = this->plan->length[i]; |
| 536 | this->signature.fft_inStride[i] = this->plan->inStride[i]; |
| 537 | this->signature.fft_outStride[i] = this->plan->outStride[i]; |
| 538 | |
| 539 | } |
| 540 | this->signature.fft_inStride[i] = this->plan->iDist; |
| 541 | this->signature.fft_outStride[i] = this->plan->oDist; |
| 542 | |
| 543 | this->signature.fft_fwdScale = this->plan->forwardScale; |
| 544 | this->signature.fft_backScale = this->plan->backwardScale; |
| 545 | |
| 546 | //Set callback if specified |
| 547 | if (this->plan->hasPreCallback) |
| 548 | { |
| 549 | assert(!this->plan->hasPostCallback); |
| 550 | |
| 551 | this->signature.fft_hasPreCallback = true; |
| 552 | this->signature.fft_preCallback = this->plan->preCallback; |
| 553 | |
| 554 | //Requested local memory size by callback must not exceed the device LDS limits after factoring the LDS size required by main FFT kernel |
| 555 | if (this->plan->preCallback.localMemSize > this->plan->envelope.limit_LocalMemSize) |
| 556 | { |
| 557 | fprintf(stderr, "Requested local memory size not available\n"); |
| 558 | return CLFFT_INVALID_ARG_VALUE; |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | if (this->plan->hasPostCallback) |
| 563 | { |
| 564 | assert(!this->plan->hasPreCallback); |
| 565 | |
| 566 | this->signature.fft_hasPostCallback = true; |
| 567 | this->signature.fft_postCallback = this->plan->postCallbackParam; |
| 568 | |
| 569 | //Requested local memory size by callback must not exceed the device LDS limits after factoring the LDS size required by main FFT kernel |
no test coverage detected