106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
// Copyright (C) 2002-2007 Nikolaus Gebhardt / Thomas Alten
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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_BURNINGSVIDEO_
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#include "SoftwareDriver2_compile_config.h"
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#include "IBurningShader.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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const tFixPointu IBurningShader::dithermask[ 4 * 4] =
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{
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0x00,0x80,0x20,0xa0,
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0xc0,0x40,0xe0,0x60,
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0x30,0xb0,0x10,0x90,
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0xf0,0x70,0xd0,0x50
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};
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IBurningShader::IBurningShader(IDepthBuffer* zbuffer)
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:RenderTarget(0),ZBuffer(zbuffer)
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{
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IT[0].Texture = 0;
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IT[1].Texture = 0;
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#ifdef _DEBUG
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setDebugName("CTRTextureLightMap2_M1");
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#endif
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if (ZBuffer)
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zbuffer->grab();
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}
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//! destructor
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IBurningShader::~IBurningShader()
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{
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if (RenderTarget)
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RenderTarget->drop();
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if (ZBuffer)
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ZBuffer->drop();
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if ( IT[0].Texture )
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IT[0].Texture->drop();
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if ( IT[1].Texture )
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IT[1].Texture->drop();
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}
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//! sets a render target
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void IBurningShader::setRenderTarget(video::IImage* surface, const core::rect<s32>& viewPort)
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{
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if (RenderTarget)
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RenderTarget->drop();
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RenderTarget = surface;
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if (RenderTarget)
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{
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SurfaceWidth = RenderTarget->getDimension().Width;
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RenderTarget->grab();
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}
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}
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//! sets the Texture
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void IBurningShader::setTexture( u32 stage, video::CSoftwareTexture2* texture, s32 lodLevel)
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{
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sInternalTexture *it = &IT[stage];
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if ( it->Texture)
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it->Texture->drop();
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it->Texture = texture;
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if ( it->Texture)
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{
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it->Texture->grab();
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// select mignify and magnify ( lodLevel )
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//SOFTWARE_DRIVER_2_MIPMAPPING_LOD_BIAS
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it->lodLevel = lodLevel;
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it->Texture->setCurrentMipMapLOD (
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core::s32_clamp ( lodLevel + SOFTWARE_DRIVER_2_MIPMAPPING_LOD_BIAS, 0, SOFTWARE_DRIVER_2_MIPMAPPING_MAX - 1 )
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);
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// prepare for optimal fixpoint
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it->pitchlog2 = s32_log2_s32 ( it->Texture->getPitch() );
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it->textureXMask = s32_to_fixPoint ( it->Texture->getSize().Width - 1 ) & FIX_POINT_UNSIGNED_MASK;
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it->textureYMask = s32_to_fixPoint ( it->Texture->getSize().Height - 1 ) & FIX_POINT_UNSIGNED_MASK;
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}
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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_BURNINGSVIDEO_
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