114 lines
2.5 KiB
C++
114 lines
2.5 KiB
C++
// Copyright (C) 2002-2008 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"
|
|
|
|
namespace irr
|
|
{
|
|
|
|
namespace video
|
|
{
|
|
|
|
const tFixPointu IBurningShader::dithermask[ 4 * 4] =
|
|
{
|
|
0x00,0x80,0x20,0xa0,
|
|
0xc0,0x40,0xe0,0x60,
|
|
0x30,0xb0,0x10,0x90,
|
|
0xf0,0x70,0xd0,0x50
|
|
};
|
|
|
|
IBurningShader::IBurningShader(IDepthBuffer* zbuffer)
|
|
:RenderTarget(0),DepthBuffer(zbuffer)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("IBurningShader");
|
|
#endif
|
|
|
|
for ( u32 i = 0; i != BURNING_MATERIAL_MAX_TEXTURES; ++i )
|
|
{
|
|
IT[i].Texture = 0;
|
|
}
|
|
|
|
if ( DepthBuffer )
|
|
DepthBuffer->grab();
|
|
}
|
|
|
|
|
|
//! destructor
|
|
IBurningShader::~IBurningShader()
|
|
{
|
|
if (RenderTarget)
|
|
RenderTarget->drop();
|
|
|
|
if (DepthBuffer)
|
|
DepthBuffer->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 = surface;
|
|
|
|
if (RenderTarget)
|
|
{
|
|
RenderTarget->grab();
|
|
|
|
//lockedSurface = (tVideoSample*)RenderTarget->lock();
|
|
//lockedDepthBuffer = 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->Texture->setCurrentMipMapLOD (
|
|
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<s32> &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;
|
|
it->data = (tVideoSample*) it->Texture->lock();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_BURNINGSVIDEO_
|