171 lines
3.3 KiB
C++
171 lines
3.3 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_SOFTWARE_
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#include "CSoftwareTexture.h"
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#include "CSoftwareDriver.h"
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#include "os.h"
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namespace irr
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{
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namespace video
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{
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//! constructor
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CSoftwareTexture::CSoftwareTexture(IImage* image, const io::path& name, bool renderTarget)
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: ITexture(name, ETT_2D), Texture(0)
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{
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#ifdef _DEBUG
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setDebugName("CSoftwareTexture");
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#endif
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DriverType = EDT_SOFTWARE;
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ColorFormat = ECF_A1R5G5B5;
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HasMipMaps = false;
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IsRenderTarget = renderTarget;
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if (image)
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{
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bool IsCompressed = false;
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if(IImage::isCompressedFormat(image->getColorFormat()))
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{
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os::Printer::log("Texture compression not available.", ELL_ERROR);
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IsCompressed = true;
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}
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OriginalSize = image->getDimension();
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core::dimension2d<u32> optSize = OriginalSize.getOptimalSize();
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Image = new CImage(ECF_A1R5G5B5, OriginalSize);
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if (!IsCompressed)
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image->copyTo(Image);
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if (optSize == OriginalSize)
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{
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Texture = Image;
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Texture->grab();
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}
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else
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{
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Texture = new CImage(ECF_A1R5G5B5, optSize);
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Image->copyToScaling(Texture);
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}
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Size = Texture->getDimension();
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Pitch = Texture->getDimension().Width * 2;
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}
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}
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//! destructor
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CSoftwareTexture::~CSoftwareTexture()
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{
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if (Image)
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Image->drop();
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if (Texture)
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Texture->drop();
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}
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//! lock function
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void* CSoftwareTexture::lock(E_TEXTURE_LOCK_MODE mode, u32 mipmapLevel, u32 layer, E_TEXTURE_LOCK_FLAGS lockFlags)
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{
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return Image->getData();
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}
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//! unlock function
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void CSoftwareTexture::unlock()
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{
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if (Image != Texture)
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{
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os::Printer::log("Performance warning, slow unlock of non power of 2 texture.", ELL_WARNING);
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Image->copyToScaling(Texture);
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}
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}
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//! returns unoptimized surface
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CImage* CSoftwareTexture::getImage()
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{
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return Image;
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}
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//! returns texture surface
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CImage* CSoftwareTexture::getTexture()
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{
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return Texture;
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}
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void CSoftwareTexture::regenerateMipMapLevels(void* data, u32 layer)
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{
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// our software textures don't have mip maps
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}
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/* Software Render Target */
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CSoftwareRenderTarget::CSoftwareRenderTarget(CSoftwareDriver* driver) : Driver(driver)
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{
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DriverType = EDT_SOFTWARE;
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Textures.set_used(1);
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Textures[0] = 0;
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}
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CSoftwareRenderTarget::~CSoftwareRenderTarget()
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{
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if (Textures[0])
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Textures[0]->drop();
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}
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void CSoftwareRenderTarget::setTextures(ITexture* const * textures, u32 numTextures, ITexture* depthStencil, const E_CUBE_SURFACE* cubeSurfaces, u32 numCubeSurfaces)
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{
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if (!Textures.equals(textures, numTextures))
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{
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ITexture* prevTexture = Textures[0];
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bool textureDetected = false;
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for (u32 i = 0; i < numTextures; ++i)
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{
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if (textures[i] && textures[i]->getDriverType() == EDT_SOFTWARE)
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{
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Textures[0] = textures[i];
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Textures[0]->grab();
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textureDetected = true;
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break;
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}
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}
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if (prevTexture)
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prevTexture->drop();
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if (!textureDetected)
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Textures[0] = 0;
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}
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}
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ITexture* CSoftwareRenderTarget::getTexture() const
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{
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return Textures[0];
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}
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} // end namespace video
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_SOFTWARE_
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