// // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // * Neither the name of NVIDIA CORPORATION nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved. // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. #ifndef GU_BV4_SLABS_KAJIYA_NO_ORDER_H #define GU_BV4_SLABS_KAJIYA_NO_ORDER_H #include "GuBVConstants.h" // Kajiya, no sort template static Ps::IntBool BV4_ProcessStreamKajiyaNoOrder(const BVDataPacked* PX_RESTRICT node, PxU32 initData, ParamsT* PX_RESTRICT params) { const BVDataPacked* root = node; PxU32 nb=1; PxU32 stack[GU_BV4_STACK_SIZE]; stack[0] = initData; /// Vec4V fattenAABBsX, fattenAABBsY, fattenAABBsZ; if(inflateT) { Vec4V fattenAABBs4 = V4LoadU_Safe(¶ms->mOriginalExtents_Padded.x); fattenAABBs4 = V4Add(fattenAABBs4, epsInflateFloat4); // US2385 - shapes are "closed" meaning exactly touching shapes should report overlap fattenAABBsX = V4SplatElement<0>(fattenAABBs4); fattenAABBsY = V4SplatElement<1>(fattenAABBs4); fattenAABBsZ = V4SplatElement<2>(fattenAABBs4); } /// SLABS_INIT #ifdef GU_BV4_QUANTIZED_TREE const Vec4V minCoeffV = V4LoadA_Safe(¶ms->mCenterOrMinCoeff_PaddedAligned.x); const Vec4V maxCoeffV = V4LoadA_Safe(¶ms->mExtentsOrMaxCoeff_PaddedAligned.x); const Vec4V minCoeffxV = V4SplatElement<0>(minCoeffV); const Vec4V minCoeffyV = V4SplatElement<1>(minCoeffV); const Vec4V minCoeffzV = V4SplatElement<2>(minCoeffV); const Vec4V maxCoeffxV = V4SplatElement<0>(maxCoeffV); const Vec4V maxCoeffyV = V4SplatElement<1>(maxCoeffV); const Vec4V maxCoeffzV = V4SplatElement<2>(maxCoeffV); #endif do { const PxU32 childData = stack[--nb]; node = root + getChildOffset(childData); const BVDataSwizzled* tn = reinterpret_cast(node); #ifdef GU_BV4_QUANTIZED_TREE Vec4V minx4a; Vec4V maxx4a; OPC_DEQ4(maxx4a, minx4a, mX, minCoeffxV, maxCoeffxV) Vec4V miny4a; Vec4V maxy4a; OPC_DEQ4(maxy4a, miny4a, mY, minCoeffyV, maxCoeffyV) Vec4V minz4a; Vec4V maxz4a; OPC_DEQ4(maxz4a, minz4a, mZ, minCoeffzV, maxCoeffzV) #else Vec4V minx4a = V4LoadA(tn->mMinX); Vec4V miny4a = V4LoadA(tn->mMinY); Vec4V minz4a = V4LoadA(tn->mMinZ); Vec4V maxx4a = V4LoadA(tn->mMaxX); Vec4V maxy4a = V4LoadA(tn->mMaxY); Vec4V maxz4a = V4LoadA(tn->mMaxZ); #endif if(inflateT) { maxx4a = V4Add(maxx4a, fattenAABBsX); maxy4a = V4Add(maxy4a, fattenAABBsY); maxz4a = V4Add(maxz4a, fattenAABBsZ); minx4a = V4Sub(minx4a, fattenAABBsX); miny4a = V4Sub(miny4a, fattenAABBsY); minz4a = V4Sub(minz4a, fattenAABBsZ); } SLABS_TEST SLABS_TEST2 #define DO_LEAF_TEST(x) \ {if(tn->isLeaf(x)) \ { \ if(LeafTestT::doLeafTest(params, tn->getPrimitive(x))) \ return 1; \ } \ else \ stack[nb++] = tn->getChildData(x);} const PxU32 nodeType = getChildType(childData); if(!(code&8) && nodeType>1) DO_LEAF_TEST(3) if(!(code&4) && nodeType>0) DO_LEAF_TEST(2) if(!(code&2)) DO_LEAF_TEST(1) if(!(code&1)) DO_LEAF_TEST(0) }while(nb); return 0; } #undef DO_LEAF_TEST #endif // GU_BV4_SLABS_KAJIYA_NO_ORDER_H