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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_SOFTWARE_
#include "CSoftwareTexture.h"
#include "os.h"
namespace irr
{
namespace video
{
//! constructor
CSoftwareTexture::CSoftwareTexture(IImage* image, const io::path& name,
bool renderTarget, void* mipmapData)
: ITexture(name), Texture(0), IsRenderTarget(renderTarget)
{
#ifdef _DEBUG
setDebugName("CSoftwareTexture");
#endif
if (image)
{
OrigSize = image->getDimension();
core::dimension2d<u32> optSize=OrigSize.getOptimalSize();
Image = new CImage(ECF_A1R5G5B5, OrigSize);
image->copyTo(Image);
if (optSize == OrigSize)
{
Texture = Image;
Texture->grab();
}
else
{
Texture = new CImage(ECF_A1R5G5B5, optSize);
Image->copyToScaling(Texture);
}
}
}
//! destructor
CSoftwareTexture::~CSoftwareTexture()
{
if (Image)
Image->drop();
if (Texture)
Texture->drop();
}
//! lock function
void* CSoftwareTexture::lock(E_TEXTURE_LOCK_MODE mode, u32 mipmapLevel)
{
return Image->lock();
}
//! unlock function
void CSoftwareTexture::unlock()
{
if (Image != Texture)
{
os::Printer::log("Performance warning, slow unlock of non power of 2 texture.", ELL_WARNING);
Image->copyToScaling(Texture);
}
Image->unlock();
}
//! Returns original size of the texture.
const core::dimension2d<u32>& CSoftwareTexture::getOriginalSize() const
{
return OrigSize;
}
//! Returns (=size) of the texture.
const core::dimension2d<u32>& CSoftwareTexture::getSize() const
{
return Image->getDimension();
}
//! returns unoptimized surface
CImage* CSoftwareTexture::getImage()
{
return Image;
}
//! returns texture surface
CImage* CSoftwareTexture::getTexture()
{
return Texture;
}
//! returns driver type of texture (=the driver, who created the texture)
E_DRIVER_TYPE CSoftwareTexture::getDriverType() const
{
return EDT_SOFTWARE;
}
//! returns color format of texture
ECOLOR_FORMAT CSoftwareTexture::getColorFormat() const
{
return ECF_A1R5G5B5;
}
//! returns pitch of texture (in bytes)
u32 CSoftwareTexture::getPitch() const
{
return Image->getDimension().Width * 2;
}
//! Regenerates the mip map levels of the texture. Useful after locking and
//! modifying the texture
void CSoftwareTexture::regenerateMipMapLevels(void* mipmapData)
{
// our software textures don't have mip maps
}
bool CSoftwareTexture::isRenderTarget() const
{
return IsRenderTarget;
}
} // end namespace video
} // end namespace irr
#endif // _IRR_COMPILE_WITH_SOFTWARE_
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