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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#include "Wm5GraphicsPCH.h"
#include "Wm5ShaderFloat.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, Object, ShaderFloat);
WM5_IMPLEMENT_STREAM(ShaderFloat);
WM5_IMPLEMENT_FACTORY(ShaderFloat);
WM5_IMPLEMENT_DEFAULT_NAMES(Object, ShaderFloat);
//----------------------------------------------------------------------------
ShaderFloat::ShaderFloat ()
:
mNumElements(0),
mData(0),
mAllowUpdater(false)
{
}
//----------------------------------------------------------------------------
ShaderFloat::ShaderFloat (int numRegisters)
:
mAllowUpdater(false)
{
SetNumRegisters(numRegisters);
}
//----------------------------------------------------------------------------
ShaderFloat::~ShaderFloat ()
{
delete1(mData);
}
//----------------------------------------------------------------------------
void ShaderFloat::SetNumRegisters (int numRegisters)
{
assertion(numRegisters > 0, "Number of registers must be positive\n");
mNumElements = 4*numRegisters;
mData = new1<float>(mNumElements);
}
//----------------------------------------------------------------------------
void ShaderFloat::SetRegister (int i, const float* data)
{
assertion(0 <= i && i < mNumElements/4, "Invalid register\n");
float* target = mData + 4*i;
*target++ = *data++;
*target++ = *data++;
*target++ = *data++;
*target = *data;
}
//----------------------------------------------------------------------------
void ShaderFloat::SetRegisters (const float* data)
{
float* target = mData;
for (int i = 0; i < mNumElements; ++i)
{
*target++ = *data++;
}
}
//----------------------------------------------------------------------------
void ShaderFloat::GetRegister (int i, float* data)
{
assertion(0 <= i && i < mNumElements/4, "Invalid register\n");
float* source = mData + 4*i;
*data++ = *source++;
*data++ = *source++;
*data++ = *source++;
*data = *source;
}
//----------------------------------------------------------------------------
void ShaderFloat::GetRegisters (float* data)
{
float* source = mData;
for (int i = 0; i < mNumElements; ++i)
{
*data++ = *source++;
}
}
//----------------------------------------------------------------------------
ShaderFloat& ShaderFloat::operator= (const float* data)
{
float* target = mData;
for (int i = 0; i < mNumElements; ++i)
{
*target++ = *data++;
}
return *this;
}
//----------------------------------------------------------------------------
void ShaderFloat::Update (const Visual*, const Camera*)
{
// Stub for derived classes.
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Streaming support.
//----------------------------------------------------------------------------
ShaderFloat::ShaderFloat (LoadConstructor value)
:
Object(value),
mNumElements(0),
mData(0),
mAllowUpdater(false)
{
}
//----------------------------------------------------------------------------
void ShaderFloat::Load (InStream& source)
{
WM5_BEGIN_DEBUG_STREAM_LOAD(source);
Object::Load(source);
source.ReadRR(mNumElements, mData);
source.ReadBool(mAllowUpdater);
WM5_END_DEBUG_STREAM_LOAD(ShaderFloat, source);
}
//----------------------------------------------------------------------------
void ShaderFloat::Link (InStream& source)
{
Object::Link(source);
}
//----------------------------------------------------------------------------
void ShaderFloat::PostLink ()
{
Object::PostLink();
}
//----------------------------------------------------------------------------
bool ShaderFloat::Register (OutStream& target) const
{
return Object::Register(target);
}
//----------------------------------------------------------------------------
void ShaderFloat::Save (OutStream& target) const
{
WM5_BEGIN_DEBUG_STREAM_SAVE(target);
Object::Save(target);
target.WriteW(mNumElements, mData);
target.WriteBool(mAllowUpdater);
WM5_END_DEBUG_STREAM_SAVE(ShaderFloat, target);
}
//----------------------------------------------------------------------------
int ShaderFloat::GetStreamingSize () const
{
int size = Object::GetStreamingSize();
size += sizeof(mNumElements);
size += mNumElements*sizeof(mData[0]);
size += WM5_BOOLSIZE(mAllowUpdater);
return size;
}
//----------------------------------------------------------------------------
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