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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>
#include "NULLRendererTexture2D.h"
#include <RendererTexture2DDesc.h>
using namespace SampleRenderer;
NullRendererTexture2D::NullRendererTexture2D(const RendererTexture2DDesc &desc) :
RendererTexture2D(desc)
{
PxU32 width = desc.width;
PxU32 height = desc.height;
m_numLevels = desc.numLevels;
m_data = new PxU8*[m_numLevels];
m_width = new PxU32[m_numLevels];
memset(m_data, 0, sizeof(PxU8*)*m_numLevels);
for(PxU32 i=0; i<desc.numLevels; i++)
{
PxU32 w = getLevelDimension(width, i);
m_width[i] = w;
PxU32 h = getLevelDimension(height, i);
PxU32 levelSize = computeImageByteSize(w, h, 1, desc.format);
// allocate memory
m_data[i] = new PxU8[levelSize];
memset(m_data[i], 0, levelSize);
}
}
NullRendererTexture2D::~NullRendererTexture2D(void)
{
for(PxU32 i=0; i<m_numLevels; i++)
{
delete [] m_data[i];
}
if(m_data)
{
delete [] m_data;
}
if(m_width)
{
delete [] m_width;
}
}
void *NullRendererTexture2D::lockLevel(PxU32 level, PxU32 &pitch)
{
void *buffer = 0;
pitch = 0;
RENDERER_ASSERT(level < m_numLevels, "Level out of range!");
if(level < m_numLevels)
{
buffer = m_data[level];
PxU32 w = SampleRenderer::RendererTexture2D::getFormatNumBlocks(m_width[level], getFormat());
pitch = w * getBlockSize();
}
return buffer;
}
void NullRendererTexture2D::unlockLevel(PxU32 level)
{
RENDERER_ASSERT(level < m_numLevels, "Level out of range!");
}
void NullRendererTexture2D::bind(PxU32 textureUnit)
{
}
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