mirror of
https://github.com/intel/compute-runtime.git
synced 2025-09-15 13:01:45 +08:00
107 lines
4.0 KiB
C++
107 lines
4.0 KiB
C++
/*
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* Copyright (c) 2017 - 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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uint GetPatchValueForSLMSize(uint slMsize) {
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//todo: veryfy this optimization :
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//return ( SLMSize == 0 ) ? 0 : max( 33 - clz( ( SLMSize - 1 ) >> 10 ), 7 );
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uint PatchValue = 0;
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if (slMsize == 0) {
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PatchValue = 0;
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} else if (slMsize <= (1 * 1024)) {
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PatchValue = 1;
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} else if (slMsize <= (2 * 1024)) {
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PatchValue = 2;
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} else if (slMsize <= (4 * 1024)) {
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PatchValue = 3;
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} else if (slMsize <= (8 * 1024)) {
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PatchValue = 4;
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} else if (slMsize <= (16 * 1024)) {
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PatchValue = 5;
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} else if (slMsize <= (32 * 1024)) {
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PatchValue = 6;
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} else if (slMsize <= (64 * 1024)) {
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PatchValue = 7;
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}
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return PatchValue;
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}
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//on SKL we have pipe control in pairs, therefore when we NOOP we need to do this for both pipe controls
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void NOOPCSStallPipeControl(__global uint *secondaryBatchBuffer, uint dwordOffset, uint pipeControlOffset) {
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dwordOffset += pipeControlOffset;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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}
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//on SKL+ with mid thread preemption we need to have 2 pipe controls instead of 1 any time we do post sync operation
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void PutCSStallPipeControl(__global uint *secondaryBatchBuffer, uint dwordOffset, uint pipeControlOffset) {
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dwordOffset += pipeControlOffset;
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//first pipe control doing CS stall
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secondaryBatchBuffer[dwordOffset] = PIPE_CONTROL_CSTALL_DWORD0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = PIPE_CONTROL_CSTALL_DWORD1;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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//second pipe control , doing actual timestamp write
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secondaryBatchBuffer[dwordOffset] = PIPE_CONTROL_CSTALL_DWORD0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = PIPE_CONTROL_CSTALL_DWORD1;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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secondaryBatchBuffer[dwordOffset] = 0;
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dwordOffset++;
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}
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