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//
// 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) 2018 NVIDIA Corporation. All rights reserved.
#ifndef MODULE_CONVERSIONVERTEXBUFFERPARAMETERS_0P0_0P1H_H
#define MODULE_CONVERSIONVERTEXBUFFERPARAMETERS_0P0_0P1H_H
#include "NvParamConversionTemplate.h"
#include "VertexBufferParameters_0p0.h"
#include "VertexBufferParameters_0p1.h"
#include "VertexFormatParameters.h"
#include <BufferF32x1.h>
#include <BufferU16x1.h>
namespace nvidia {
namespace apex {
namespace legacy {
typedef NvParameterized::ParamConversionTemplate<nvidia::parameterized::VertexBufferParameters_0p0,
nvidia::parameterized::VertexBufferParameters_0p1,
nvidia::parameterized::VertexBufferParameters_0p0::ClassVersion,
nvidia::parameterized::VertexBufferParameters_0p1::ClassVersion>
ConversionVertexBufferParameters_0p0_0p1Parent;
class ConversionVertexBufferParameters_0p0_0p1: public ConversionVertexBufferParameters_0p0_0p1Parent
{
public:
static NvParameterized::Conversion* Create(NvParameterized::Traits* t)
{
void* buf = t->alloc(sizeof(ConversionVertexBufferParameters_0p0_0p1));
return buf ? PX_PLACEMENT_NEW(buf, ConversionVertexBufferParameters_0p0_0p1)(t) : 0;
}
protected:
ConversionVertexBufferParameters_0p0_0p1(NvParameterized::Traits* t) : ConversionVertexBufferParameters_0p0_0p1Parent(t) {}
const NvParameterized::PrefVer* getPreferredVersions() const
{
static NvParameterized::PrefVer prefVers[] =
{
//TODO:
// Add your preferred versions for included references here.
// Entry format is
// { (const char *)longName, (uint32_t)preferredVersion }
{ "vertexFormat", 0 },
{ 0, 0 } // Terminator (do not remove!)
};
return prefVers;
}
bool convert()
{
//TODO:
// Write custom conversion code here using mNewData and mLegacyData members.
//
// Note that
// - mNewData has already been initialized with default values
// - same-named/same-typed members have already been copied
// from mLegacyData to mNewData
// - included references were moved to mNewData
// (and updated to preferred versions according to getPreferredVersions)
//
// For more info see the versioning wiki.
// if one of these fails it means that they have been upgraded. Then the proper (_0p0.h) files need to be included
// and the types also need the _0p0 suffix. Then it should work again.
PX_COMPILE_TIME_ASSERT(VertexFormatParameters::ClassVersion == 0);
PX_COMPILE_TIME_ASSERT(BufferF32x1::ClassVersion == 0);
PX_COMPILE_TIME_ASSERT(BufferU16x1::ClassVersion == 0);
VertexFormatParameters* format = static_cast<VertexFormatParameters*>(mNewData->vertexFormat);
int32_t boneWeightID = -1;
int32_t boneIndexID = -1;
uint32_t numBoneWeights = 0;
uint32_t numBoneIndices = 0;
for (uint32_t formatID = 0; formatID < (uint32_t)format->bufferFormats.arraySizes[0]; formatID++)
{
const uint32_t semantic = (uint32_t)format->bufferFormats.buf[formatID].semantic;
if (semantic == RenderVertexSemantic::BONE_INDEX)
{
boneIndexID = (int32_t)formatID;
switch (format->bufferFormats.buf[formatID].format)
{
case RenderDataFormat::USHORT1:
numBoneIndices = 1;
break;
case RenderDataFormat::USHORT2:
numBoneIndices = 2;
break;
case RenderDataFormat::USHORT3:
numBoneIndices = 3;
break;
case RenderDataFormat::USHORT4:
numBoneIndices = 4;
break;
}
}
else if (semantic == RenderVertexSemantic::BONE_WEIGHT)
{
boneWeightID = (int32_t)formatID;
switch (format->bufferFormats.buf[formatID].format)
{
case RenderDataFormat::FLOAT1:
numBoneWeights = 1;
break;
case RenderDataFormat::FLOAT2:
numBoneWeights = 2;
break;
case RenderDataFormat::FLOAT3:
numBoneWeights = 3;
break;
case RenderDataFormat::FLOAT4:
numBoneWeights = 4;
break;
}
}
}
// sort bone weights
if (numBoneIndices > 1 && numBoneWeights == numBoneIndices)
{
float* boneWeightBuffer = static_cast<BufferF32x1*>(mNewData->buffers.buf[boneWeightID])->data.buf;
uint16_t* boneIndexBuffer = static_cast<BufferU16x1*>(mNewData->buffers.buf[boneIndexID])->data.buf;
for (uint32_t vi = 0; vi < mNewData->vertexCount; vi++)
{
float* verifyWeights = boneWeightBuffer + vi * numBoneWeights;
uint16_t* verifyIndices = boneIndexBuffer + vi * numBoneWeights;
float sum = 0.0f;
for (uint32_t j = 0; j < numBoneWeights; j++)
{
sum += verifyWeights[j];
}
if (physx::PxAbs(1 - sum) > 0.001)
{
if (sum > 0.0f)
{
for (uint32_t j = 0; j < numBoneWeights; j++)
{
verifyWeights[j] /= sum;
}
}
}
// PH: bubble sort, don't kill me for this
for (uint32_t j = 1; j < numBoneWeights; j++)
{
for (uint32_t k = 1; k < numBoneWeights; k++)
{
if (verifyWeights[k - 1] < verifyWeights[k])
{
nvidia::swap(verifyWeights[k - 1], verifyWeights[k]);
nvidia::swap(verifyIndices[k - 1], verifyIndices[k]);
}
}
}
}
}
return true;
}
};
}
}
} //nvidia::apex::legacy
#endif
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