dx11Shader/crackFreePrimitiveGenerator.h

dx11Shader/crackFreePrimitiveGenerator.h
//-
// ==========================================================================
// Copyright 2015 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk
// license agreement provided at the time of installation or download,
// or which otherwise accompanies this software in either electronic
// or hard copy form.
// ==========================================================================
//+
// Example plugin: crackFreePrimitiveGenerator.cpp
//
// This plug-in is an example of a custom MPxIndexBufferMutator.
// It provides custom primitives based on shader requirements coming from
// an MPxShaderOverride. The name() in the MIndexBufferDescriptor is used
// to signify a unique identifier for a custom buffer.
#include <maya/MPxIndexBufferMutator.h>
class CrackFreePrimitiveGenerator : public MHWRender::MPxIndexBufferMutator
{
public:
CrackFreePrimitiveGenerator(bool addAdjacentEdges, bool addDominantEdges, bool addDominantPosition);
virtual ~CrackFreePrimitiveGenerator();
const MHWRender::MVertexBufferArray& vertexBuffers,
MHWRender::MIndexBuffer& mutatedBuffer,
int& primitiveStride) const;
// This will allow cleaning up the swatch for PNAEN geometries:
static void mutateIndexBuffer( const MUintArray& originalBufferIndices,
const float* positionBufferFloat,
const float* uvBufferFloat,
bool bAddAdjacentEdges,
bool bAddDominantEdges,
bool bAddDominantPosition,
MHWRender::MGeometry::DataType indexBufferDataType,
void* indexData );
static unsigned int computeTriangleSize( bool bAddAdjacentEdges,
bool bAddDominantEdges,
bool bAddDominantPosition);
static MHWRender::MPxIndexBufferMutator* createCrackFreePrimitiveGenerator18();
static MHWRender::MPxIndexBufferMutator* createCrackFreePrimitiveGenerator9();
private:
bool fAddAdjacentEdges;
bool fAddDominantEdges;
bool fAddDominantPosition;
};