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// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
// 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_BURNINGSVIDEO_
#include "SoftwareDriver2_compile_config.h"
#include "IBurningShader.h"
#include "CSoftwareDriver2.h"
namespace irr
{
namespace video
{
const tFixPointu IBurningShader::dithermask[] =
{
0x00,0x80,0x20,0xa0,
0xc0,0x40,0xe0,0x60,
0x30,0xb0,0x10,0x90,
0xf0,0x70,0xd0,0x50
};
IBurningShader::IBurningShader(CBurningVideoDriver* driver)
{
#ifdef _DEBUG
setDebugName("IBurningShader");
#endif
for ( u32 i = 0; i != BURNING_MATERIAL_MAX_TEXTURES; ++i )
{
IT[i].Texture = 0;
}
Driver = driver;
RenderTarget = 0;
ColorMask = COLOR_BRIGHT_WHITE;
DepthBuffer = (CDepthBuffer*) driver->getDepthBuffer ();
if ( DepthBuffer )
DepthBuffer->grab();
Stencil = (CStencilBuffer*) driver->getStencilBuffer ();
if ( Stencil )
Stencil->grab();
}
//! destructor
IBurningShader::~IBurningShader()
{
if (RenderTarget)
RenderTarget->drop();
if (DepthBuffer)
DepthBuffer->drop();
if (Stencil)
Stencil->drop();
for ( u32 i = 0; i != BURNING_MATERIAL_MAX_TEXTURES; ++i )
{
if ( IT[i].Texture )
IT[i].Texture->drop();
}
}
//! sets a render target
void IBurningShader::setRenderTarget(video::IImage* surface, const core::rect<s32>& viewPort)
{
if (RenderTarget)
RenderTarget->drop();
RenderTarget = (video::CImage* ) surface;
if (RenderTarget)
{
RenderTarget->grab();
//(tVideoSample*)RenderTarget->lock() = (tVideoSample*)RenderTarget->lock();
//(fp24*) DepthBuffer->lock() = DepthBuffer->lock();
}
}
//! sets the Texture
void IBurningShader::setTextureParam( u32 stage, video::CSoftwareTexture2* texture, s32 lodLevel)
{
sInternalTexture *it = &IT[stage];
if ( it->Texture)
it->Texture->drop();
it->Texture = texture;
if ( it->Texture)
{
it->Texture->grab();
// select mignify and magnify ( lodLevel )
//SOFTWARE_DRIVER_2_MIPMAPPING_LOD_BIAS
it->lodLevel = lodLevel;
it->data = (tVideoSample*) it->Texture->lock(ETLM_READ_ONLY,
core::s32_clamp ( lodLevel + SOFTWARE_DRIVER_2_MIPMAPPING_LOD_BIAS, 0, SOFTWARE_DRIVER_2_MIPMAPPING_MAX - 1 ));
// prepare for optimal fixpoint
it->pitchlog2 = s32_log2_s32 ( it->Texture->getPitch() );
const core::dimension2d<u32> &dim = it->Texture->getSize();
it->textureXMask = s32_to_fixPoint ( dim.Width - 1 ) & FIX_POINT_UNSIGNED_MASK;
it->textureYMask = s32_to_fixPoint ( dim.Height - 1 ) & FIX_POINT_UNSIGNED_MASK;
}
}
} // end namespace video
} // end namespace irr
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
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