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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 "CSoftwareDriver.h"
#include "os.h"
namespace irr
{
namespace video
{
//! constructor
CSoftwareTexture::CSoftwareTexture(IImage* image, const io::path& name, bool renderTarget)
: ITexture(name, ETT_2D), Texture(0)
{
#ifdef _DEBUG
setDebugName("CSoftwareTexture");
#endif
DriverType = EDT_SOFTWARE;
ColorFormat = ECF_A1R5G5B5;
HasMipMaps = false;
IsRenderTarget = renderTarget;
if (image)
{
bool IsCompressed = false;
if(IImage::isCompressedFormat(image->getColorFormat()))
{
os::Printer::log("Texture compression not available.", ELL_ERROR);
IsCompressed = true;
}
OriginalSize = image->getDimension();
core::dimension2d<u32> optSize = OriginalSize.getOptimalSize();
Image = new CImage(ECF_A1R5G5B5, OriginalSize);
if (!IsCompressed)
image->copyTo(Image);
if (optSize == OriginalSize)
{
Texture = Image;
Texture->grab();
}
else
{
Texture = new CImage(ECF_A1R5G5B5, optSize);
Image->copyToScaling(Texture);
}
Size = Texture->getDimension();
Pitch = Texture->getDimension().Width * 2;
}
}
//! destructor
CSoftwareTexture::~CSoftwareTexture()
{
if (Image)
Image->drop();
if (Texture)
Texture->drop();
}
//! lock function
void* CSoftwareTexture::lock(E_TEXTURE_LOCK_MODE mode, u32 mipmapLevel, u32 layer, E_TEXTURE_LOCK_FLAGS lockFlags)
{
return Image->getData();
}
//! 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);
}
}
//! returns unoptimized surface
CImage* CSoftwareTexture::getImage()
{
return Image;
}
//! returns texture surface
CImage* CSoftwareTexture::getTexture()
{
return Texture;
}
void CSoftwareTexture::regenerateMipMapLevels(void* data, u32 layer)
{
// our software textures don't have mip maps
}
/* Software Render Target */
CSoftwareRenderTarget::CSoftwareRenderTarget(CSoftwareDriver* driver) : Driver(driver)
{
DriverType = EDT_SOFTWARE;
Texture.set_used(1);
Texture[0] = 0;
}
CSoftwareRenderTarget::~CSoftwareRenderTarget()
{
if (Texture[0])
Texture[0]->drop();
}
void CSoftwareRenderTarget::setTexture(const core::array<ITexture*>& texture, ITexture* depthStencil, const core::array<E_CUBE_SURFACE>& cubeSurfaces)
{
if (Texture != texture)
{
ITexture* prevTexture = Texture[0];
bool textureDetected = false;
for (u32 i = 0; i < texture.size(); ++i)
{
if (texture[i] && texture[i]->getDriverType() == EDT_SOFTWARE)
{
Texture[0] = texture[i];
Texture[0]->grab();
textureDetected = true;
break;
}
}
if (prevTexture)
prevTexture->drop();
if (!textureDetected)
Texture[0] = 0;
}
}
ITexture* CSoftwareRenderTarget::getTexture() const
{
return Texture[0];
}
} // end namespace video
} // end namespace irr
#endif // _IRR_COMPILE_WITH_SOFTWARE_
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