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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) 2008-2018 NVIDIA Corporation. All rights reserved.
#include <RendererConfig.h>
#if defined(RENDERER_ENABLE_GLES2)
#include "GLES2RendererInstanceBuffer.h"
#include <RendererInstanceBufferDesc.h>
using namespace SampleRenderer;
GLES2RendererInstanceBuffer::GLES2RendererInstanceBuffer(const RendererInstanceBufferDesc &desc) :
RendererInstanceBuffer(desc)
{
m_bufferSize = (PxU32)(desc.maxInstances * m_stride);
m_buffer = malloc(m_bufferSize);//PX_ALLOC(m_bufferSize);
m_maxInstances = desc.maxInstances;
}
GLES2RendererInstanceBuffer::~GLES2RendererInstanceBuffer(void)
{
if(m_buffer) free(m_buffer);//PX_FREE(m_buffer);
}
physx::PxMat44 GLES2RendererInstanceBuffer::getModelMatrix(PxU32 index) const
{
physx::PxMat44 model = PxMat44(PxIdentity);
if(index < m_maxInstances)
{
const void *instance = ((PxU8*)m_buffer)+(m_stride*index);
model = PxMat44(getInstanceColumn(instance, m_semanticDescs[SEMANTIC_NORMALX]),
getInstanceColumn(instance, m_semanticDescs[SEMANTIC_NORMALY]),
getInstanceColumn(instance, m_semanticDescs[SEMANTIC_NORMALZ]),
getInstanceColumn(instance, m_semanticDescs[SEMANTIC_POSITION]));
}
return model;
}
PxVec3 GLES2RendererInstanceBuffer::getInstanceColumn(const void *instance, const GLES2RendererInstanceBuffer::SemanticDesc &sd) const
{
PxVec3 col = *(PxVec3*)(((PxU8*)instance)+sd.offset);
return col;
}
void *GLES2RendererInstanceBuffer::lock(void)
{
return m_buffer;
}
void GLES2RendererInstanceBuffer::unlock(void)
{
}
void GLES2RendererInstanceBuffer::bind(PxU32 streamID, PxU32 firstInstance) const
{
}
void GLES2RendererInstanceBuffer::unbind(PxU32 streamID) const
{
}
#endif // #if defined(RENDERER_ENABLE_GLES2)
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