64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
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#include "SnConvX.h"
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#include "SnConvX_Align.h"
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#include <assert.h>
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using namespace physx;
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void Sn::ConvX::alignTarget(int alignment)
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{
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const int outputSize = getCurrentOutputSize();
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const PxU32 outPadding = getPadding(size_t(outputSize), PxU32(alignment));
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if(outPadding)
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{
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assert(outPadding<CONVX_ZERO_BUFFER_SIZE);
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output(mZeros, int(outPadding));
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}
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}
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const char* Sn::ConvX::alignStream(const char* buffer, int alignment)
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{
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const PxU32 padding = getPadding(size_t(buffer), PxU32(alignment));
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assert(!getPadding(size_t(buffer + padding), PxU32(alignment)));
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const int outputSize = getCurrentOutputSize();
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const PxU32 outPadding = getPadding(size_t(outputSize), PxU32(alignment));
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if(outPadding==padding)
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{
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assert(outPadding<CONVX_ZERO_BUFFER_SIZE);
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output(mZeros, int(outPadding));
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}
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else if(outPadding)
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{
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assert(outPadding<CONVX_ZERO_BUFFER_SIZE);
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output(mZeros, int(outPadding));
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}
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return buffer + padding;
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}
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