mirror of
https://github.com/minetest/irrlicht.git
synced 2024-09-07 05:10:19 +02:00
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6155 dfc29bdd-3216-0410-991c-e03cc46cb475
186 lines
4.9 KiB
C++
186 lines
4.9 KiB
C++
// 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
|
|
|
|
#ifndef __C_SOFTWARE_2_TEXTURE_H_INCLUDED__
|
|
#define __C_SOFTWARE_2_TEXTURE_H_INCLUDED__
|
|
|
|
#include "SoftwareDriver2_compile_config.h"
|
|
|
|
#include "ITexture.h"
|
|
#if defined(PATCH_SUPERTUX_8_0_1_with_1_9_0)
|
|
#include "IVideoDriver.h"
|
|
#else
|
|
#include "IRenderTarget.h"
|
|
#endif
|
|
#include "CImage.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace video
|
|
{
|
|
|
|
class CBurningVideoDriver;
|
|
|
|
/*!
|
|
interface for a Video Driver dependent Texture.
|
|
*/
|
|
struct CSoftwareTexture2_Bound
|
|
{
|
|
f32 w; // width - 0.5f;
|
|
f32 h; // height- 0.5f;
|
|
f32 cx; // texelcenter x 1.f/width*0.5f
|
|
f32 cy; // texelcenter y 1.f/height*0.5f
|
|
};
|
|
|
|
class CSoftwareTexture2 : public ITexture
|
|
{
|
|
public:
|
|
|
|
//! constructor
|
|
enum eTex2Flags
|
|
{
|
|
GEN_MIPMAP = 1, // has mipmaps
|
|
GEN_MIPMAP_AUTO = 2, // automatic mipmap generation
|
|
IS_RENDERTARGET = 4,
|
|
ALLOW_NPOT = 8, //allow non power of two
|
|
IMAGE_IS_LINEAR = 16,
|
|
TEXTURE_IS_LINEAR = 32,
|
|
};
|
|
CSoftwareTexture2(IImage* surface, const io::path& name, u32 flags /*eTex2Flags*/, CBurningVideoDriver* driver);
|
|
|
|
//! destructor
|
|
virtual ~CSoftwareTexture2();
|
|
|
|
u32 getMipmapLevel(s32 newLevel) const
|
|
{
|
|
if ( newLevel < 0 ) newLevel = 0;
|
|
else if ( newLevel >= (s32)array_size(MipMap)) newLevel = array_size(MipMap) - 1;
|
|
|
|
while ( newLevel > 0 && MipMap[newLevel] == 0 ) newLevel -= 1;
|
|
return newLevel;
|
|
}
|
|
|
|
//! lock function
|
|
#if defined(PATCH_SUPERTUX_8_0_1_with_1_9_0)
|
|
virtual void* lock(E_TEXTURE_LOCK_MODE mode, u32 mipmapLevel)
|
|
#else
|
|
virtual void* lock(E_TEXTURE_LOCK_MODE mode, u32 mipmapLevel, u32 layer, E_TEXTURE_LOCK_FLAGS lockFlags = ETLF_FLIP_Y_UP_RTT) _IRR_OVERRIDE_
|
|
#endif
|
|
{
|
|
if (Flags & GEN_MIPMAP)
|
|
{
|
|
//called from outside. must test
|
|
MipMapLOD = getMipmapLevel(mipmapLevel);
|
|
Size = MipMap[MipMapLOD]->getDimension();
|
|
Pitch = MipMap[MipMapLOD]->getPitch();
|
|
}
|
|
|
|
return MipMap[MipMapLOD]->getData();
|
|
}
|
|
|
|
//! unlock function
|
|
virtual void unlock() _IRR_OVERRIDE_
|
|
{
|
|
}
|
|
/*
|
|
//! compare the area drawn with the area of the texture
|
|
f32 getLODFactor( const f32 texArea ) const
|
|
{
|
|
return MipMap0_Area[0]* MipMap0_Area[1] * 0.5f * texArea;
|
|
//return MipMap[0]->getImageDataSizeInPixels () * texArea;
|
|
}
|
|
*/
|
|
|
|
const u32* getMipMap0_Area() const
|
|
{
|
|
return MipMap0_Area;
|
|
}
|
|
f32 get_lod_bias() const { return LodBIAS; }
|
|
|
|
//! returns unoptimized surface (misleading name. burning can scale down originalimage)
|
|
virtual CImage* getImage() const
|
|
{
|
|
return MipMap[0];
|
|
}
|
|
|
|
//! returns texture surface
|
|
virtual CImage* getTexture() const
|
|
{
|
|
return MipMap[MipMapLOD];
|
|
}
|
|
|
|
//precalculated dimx-1/dimx*0.5f
|
|
const CSoftwareTexture2_Bound& getTexBound() const
|
|
{
|
|
return TexBound[MipMapLOD];
|
|
}
|
|
|
|
#if !defined(PATCH_SUPERTUX_8_0_1_with_1_9_0)
|
|
virtual void regenerateMipMapLevels(void* data = 0, u32 layer = 0) _IRR_OVERRIDE_;
|
|
#else
|
|
virtual void regenerateMipMapLevels(void* data = 0);
|
|
#endif
|
|
|
|
|
|
#if defined(PATCH_SUPERTUX_8_0_1_with_1_9_0)
|
|
const core::dimension2d<u32>& getOriginalSize() const { return OriginalSize; };
|
|
const core::dimension2d<u32>& getSize() const { return Size; };
|
|
E_DRIVER_TYPE getDriverType() const { return DriverType; };
|
|
ECOLOR_FORMAT getColorFormat() const { return ColorFormat; };
|
|
ECOLOR_FORMAT getOriginalColorFormat() const { return OriginalColorFormat; };
|
|
u32 getPitch() const { return Pitch; };
|
|
bool hasMipMaps() const { return HasMipMaps; }
|
|
bool isRenderTarget() const { return IsRenderTarget; }
|
|
|
|
core::dimension2d<u32> OriginalSize;
|
|
core::dimension2d<u32> Size;
|
|
E_DRIVER_TYPE DriverType;
|
|
ECOLOR_FORMAT OriginalColorFormat;
|
|
ECOLOR_FORMAT ColorFormat;
|
|
u32 Pitch;
|
|
bool HasMipMaps;
|
|
bool IsRenderTarget;
|
|
#endif
|
|
|
|
private:
|
|
void calcDerivative();
|
|
|
|
//! controls MipmapSelection. relation between drawn area and image size
|
|
u32 MipMapLOD; // 0 .. original Texture pot -SOFTWARE_DRIVER_2_MIPMAPPING_MAX
|
|
u32 Flags; //eTex2Flags
|
|
CBurningVideoDriver* Driver;
|
|
|
|
CImage* MipMap[SOFTWARE_DRIVER_2_MIPMAPPING_MAX];
|
|
CSoftwareTexture2_Bound TexBound[SOFTWARE_DRIVER_2_MIPMAPPING_MAX];
|
|
u32 MipMap0_Area[2];
|
|
f32 LodBIAS; // Tweak mipmap selection
|
|
};
|
|
|
|
/*!
|
|
interface for a Video Driver dependent render target.
|
|
*/
|
|
class CSoftwareRenderTarget2 : public IRenderTarget
|
|
{
|
|
public:
|
|
CSoftwareRenderTarget2(CBurningVideoDriver* driver);
|
|
virtual ~CSoftwareRenderTarget2();
|
|
|
|
virtual void setTexture(const core::array<ITexture*>& texture, ITexture* depthStencil, const core::array<E_CUBE_SURFACE>& cubeSurfaces) _IRR_OVERRIDE_;
|
|
|
|
#if defined(PATCH_SUPERTUX_8_0_1_with_1_9_0)
|
|
E_DRIVER_TYPE DriverType;
|
|
core::array<ITexture*> Texture;
|
|
#endif
|
|
|
|
protected:
|
|
CBurningVideoDriver* Driver;
|
|
};
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
#endif // __C_SOFTWARE_2_TEXTURE_H_INCLUDED__
|
|
|
|
|