forked from Mirrorlandia_minetest/irrlicht
120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
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// Copyright (C) 2002-2012 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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#include "CSoftwareDriver2.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[] =
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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(CBurningVideoDriver* driver)
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{
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#ifdef _DEBUG
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setDebugName("IBurningShader");
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#endif
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for ( u32 i = 0; i != BURNING_MATERIAL_MAX_TEXTURES; ++i )
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{
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IT[i].Texture = 0;
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}
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Driver = driver;
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RenderTarget = 0;
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ColorMask = COLOR_BRIGHT_WHITE;
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DepthBuffer = (CDepthBuffer*) driver->getDepthBuffer ();
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if ( DepthBuffer )
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DepthBuffer->grab();
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Stencil = (CStencilBuffer*) driver->getStencilBuffer ();
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if ( Stencil )
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Stencil->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 (DepthBuffer)
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DepthBuffer->drop();
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if (Stencil)
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Stencil->drop();
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for ( u32 i = 0; i != BURNING_MATERIAL_MAX_TEXTURES; ++i )
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{
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if ( IT[i].Texture )
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IT[i].Texture->drop();
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}
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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 = (video::CImage* ) surface;
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if (RenderTarget)
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{
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RenderTarget->grab();
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//(fp24*) DepthBuffer->lock() = DepthBuffer->lock();
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}
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}
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//! sets the Texture
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void IBurningShader::setTextureParam( 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->data = (tVideoSample*) it->Texture->lock(ETLM_READ_ONLY,
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core::s32_clamp ( lodLevel + SOFTWARE_DRIVER_2_MIPMAPPING_LOD_BIAS, 0, SOFTWARE_DRIVER_2_MIPMAPPING_MAX - 1 ), 0);
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// prepare for optimal fixpoint
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it->pitchlog2 = s32_log2_s32 ( it->Texture->getPitch() );
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const core::dimension2d<u32> &dim = it->Texture->getSize();
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it->textureXMask = s32_to_fixPoint ( dim.Width - 1 ) & FIX_POINT_UNSIGNED_MASK;
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it->textureYMask = s32_to_fixPoint ( dim.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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