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// Copyright (C) 2015 Patryk Nadrowski
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
# pragma once
# include "irrArray.h"
# include "SMaterialLayer.h"
# include "ITexture.h"
# include "EDriverFeatures.h"
# include "os.h"
# include "CImage.h"
# include "CColorConverter.h"
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# include "mt_opengl.h"
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namespace irr
{
namespace video
{
template < class TOpenGLDriver >
class COpenGLCoreTexture : public ITexture
{
public :
struct SStatesCache
{
SStatesCache ( ) : WrapU ( ETC_REPEAT ) , WrapV ( ETC_REPEAT ) , WrapW ( ETC_REPEAT ) ,
LODBias ( 0 ) , AnisotropicFilter ( 0 ) , MinFilter ( video : : ETMINF_NEAREST_MIPMAP_NEAREST ) ,
MagFilter ( video : : ETMAGF_NEAREST ) , MipMapStatus ( false ) , IsCached ( false )
{
}
u8 WrapU ;
u8 WrapV ;
u8 WrapW ;
s8 LODBias ;
u8 AnisotropicFilter ;
video : : E_TEXTURE_MIN_FILTER MinFilter ;
video : : E_TEXTURE_MAG_FILTER MagFilter ;
bool MipMapStatus ;
bool IsCached ;
} ;
COpenGLCoreTexture ( const io : : path & name , const core : : array < IImage * > & images , E_TEXTURE_TYPE type , TOpenGLDriver * driver ) : ITexture ( name , type ) , Driver ( driver ) , TextureType ( GL_TEXTURE_2D ) ,
TextureName ( 0 ) , InternalFormat ( GL_RGBA ) , PixelFormat ( GL_RGBA ) , PixelType ( GL_UNSIGNED_BYTE ) , Converter ( 0 ) , LockReadOnly ( false ) , LockImage ( 0 ) , LockLayer ( 0 ) ,
KeepImage ( false ) , MipLevelStored ( 0 ) , LegacyAutoGenerateMipMaps ( false )
{
_IRR_DEBUG_BREAK_IF ( images . size ( ) = = 0 )
DriverType = Driver - > getDriverType ( ) ;
TextureType = TextureTypeIrrToGL ( Type ) ;
HasMipMaps = Driver - > getTextureCreationFlag ( ETCF_CREATE_MIP_MAPS ) ;
KeepImage = Driver - > getTextureCreationFlag ( ETCF_ALLOW_MEMORY_COPY ) ;
getImageValues ( images [ 0 ] ) ;
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if ( ! InternalFormat )
return ;
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const core : : array < IImage * > * tmpImages = & images ;
if ( KeepImage | | OriginalSize ! = Size | | OriginalColorFormat ! = ColorFormat )
{
Images . set_used ( images . size ( ) ) ;
for ( u32 i = 0 ; i < images . size ( ) ; + + i )
{
Images [ i ] = Driver - > createImage ( ColorFormat , Size ) ;
if ( images [ i ] - > getDimension ( ) = = Size )
images [ i ] - > copyTo ( Images [ i ] ) ;
else
images [ i ] - > copyToScaling ( Images [ i ] ) ;
if ( images [ i ] - > getMipMapsData ( ) )
{
if ( OriginalSize = = Size & & OriginalColorFormat = = ColorFormat )
{
Images [ i ] - > setMipMapsData ( images [ i ] - > getMipMapsData ( ) , false ) ;
}
else
{
// TODO: handle at least mipmap with changing color format
os : : Printer : : log ( " COpenGLCoreTexture: Can't handle format changes for mipmap data. Mipmap data dropped " , ELL_WARNING ) ;
}
}
}
tmpImages = & Images ;
}
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GL . GenTextures ( 1 , & TextureName ) ;
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const COpenGLCoreTexture * prevTexture = Driver - > getCacheHandler ( ) - > getTextureCache ( ) . get ( 0 ) ;
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , this ) ;
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GL . TexParameteri ( TextureType , GL_TEXTURE_MIN_FILTER , GL_NEAREST ) ;
GL . TexParameteri ( TextureType , GL_TEXTURE_MAG_FILTER , GL_NEAREST ) ;
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# ifdef GL_GENERATE_MIPMAP_HINT
if ( HasMipMaps )
{
if ( Driver - > getTextureCreationFlag ( ETCF_OPTIMIZED_FOR_SPEED ) )
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GL . Hint ( GL_GENERATE_MIPMAP_HINT , GL_FASTEST ) ;
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else if ( Driver - > getTextureCreationFlag ( ETCF_OPTIMIZED_FOR_QUALITY ) )
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GL . Hint ( GL_GENERATE_MIPMAP_HINT , GL_NICEST ) ;
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else
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GL . Hint ( GL_GENERATE_MIPMAP_HINT , GL_DONT_CARE ) ;
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}
# endif
for ( u32 i = 0 ; i < ( * tmpImages ) . size ( ) ; + + i )
uploadTexture ( true , i , 0 , ( * tmpImages ) [ i ] - > getData ( ) ) ;
if ( HasMipMaps & & ! LegacyAutoGenerateMipMaps )
{
// Create mipmaps (either from image mipmaps or generate them)
for ( u32 i = 0 ; i < ( * tmpImages ) . size ( ) ; + + i )
{
void * mipmapsData = ( * tmpImages ) [ i ] - > getMipMapsData ( ) ;
regenerateMipMapLevels ( mipmapsData , i ) ;
}
}
if ( ! KeepImage )
{
for ( u32 i = 0 ; i < Images . size ( ) ; + + i )
Images [ i ] - > drop ( ) ;
Images . clear ( ) ;
}
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , prevTexture ) ;
Driver - > testGLError ( __LINE__ ) ;
}
COpenGLCoreTexture ( const io : : path & name , const core : : dimension2d < u32 > & size , E_TEXTURE_TYPE type , ECOLOR_FORMAT format , TOpenGLDriver * driver )
: ITexture ( name , type ) ,
Driver ( driver ) , TextureType ( GL_TEXTURE_2D ) ,
TextureName ( 0 ) , InternalFormat ( GL_RGBA ) , PixelFormat ( GL_RGBA ) , PixelType ( GL_UNSIGNED_BYTE ) , Converter ( 0 ) , LockReadOnly ( false ) , LockImage ( 0 ) , LockLayer ( 0 ) , KeepImage ( false ) ,
MipLevelStored ( 0 ) , LegacyAutoGenerateMipMaps ( false )
{
DriverType = Driver - > getDriverType ( ) ;
TextureType = TextureTypeIrrToGL ( Type ) ;
HasMipMaps = false ;
IsRenderTarget = true ;
OriginalColorFormat = format ;
if ( ECF_UNKNOWN = = OriginalColorFormat )
ColorFormat = getBestColorFormat ( Driver - > getColorFormat ( ) ) ;
else
ColorFormat = OriginalColorFormat ;
OriginalSize = size ;
Size = OriginalSize ;
Pitch = Size . Width * IImage : : getBitsPerPixelFromFormat ( ColorFormat ) / 8 ;
if ( ! Driver - > getColorFormatParameters ( ColorFormat , InternalFormat , PixelFormat , PixelType , & Converter ) )
{
os : : Printer : : log ( " COpenGLCoreTexture: Color format is not supported " , ColorFormatNames [ ColorFormat < ECF_UNKNOWN ? ColorFormat : ECF_UNKNOWN ] , ELL_ERROR ) ;
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return ;
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}
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GL . GenTextures ( 1 , & TextureName ) ;
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const COpenGLCoreTexture * prevTexture = Driver - > getCacheHandler ( ) - > getTextureCache ( ) . get ( 0 ) ;
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , this ) ;
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GL . TexParameteri ( TextureType , GL_TEXTURE_MIN_FILTER , GL_NEAREST ) ;
GL . TexParameteri ( TextureType , GL_TEXTURE_MAG_FILTER , GL_NEAREST ) ;
GL . TexParameteri ( TextureType , GL_TEXTURE_WRAP_S , GL_CLAMP_TO_EDGE ) ;
GL . TexParameteri ( TextureType , GL_TEXTURE_WRAP_T , GL_CLAMP_TO_EDGE ) ;
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# if defined(GL_VERSION_1_2)
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GL . TexParameteri ( TextureType , GL_TEXTURE_WRAP_R , GL_CLAMP_TO_EDGE ) ;
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# endif
StatesCache . WrapU = ETC_CLAMP_TO_EDGE ;
StatesCache . WrapV = ETC_CLAMP_TO_EDGE ;
StatesCache . WrapW = ETC_CLAMP_TO_EDGE ;
switch ( Type )
{
case ETT_2D :
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GL . TexImage2D ( GL_TEXTURE_2D , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
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break ;
case ETT_CUBEMAP :
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GL . TexImage2D ( GL_TEXTURE_CUBE_MAP_POSITIVE_X , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
GL . TexImage2D ( GL_TEXTURE_CUBE_MAP_NEGATIVE_X , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
GL . TexImage2D ( GL_TEXTURE_CUBE_MAP_POSITIVE_Y , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
GL . TexImage2D ( GL_TEXTURE_CUBE_MAP_NEGATIVE_Y , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
GL . TexImage2D ( GL_TEXTURE_CUBE_MAP_POSITIVE_Z , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
GL . TexImage2D ( GL_TEXTURE_CUBE_MAP_NEGATIVE_Z , 0 , InternalFormat , Size . Width , Size . Height , 0 , PixelFormat , PixelType , 0 ) ;
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break ;
}
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , prevTexture ) ;
if ( Driver - > testGLError ( __LINE__ ) )
{
char msg [ 256 ] ;
snprintf_irr ( msg , 256 , " COpenGLCoreTexture: InternalFormat:0x%04x PixelFormat:0x%04x " , ( int ) InternalFormat , ( int ) PixelFormat ) ;
os : : Printer : : log ( msg , ELL_ERROR ) ;
}
}
virtual ~ COpenGLCoreTexture ( )
{
if ( TextureName )
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GL . DeleteTextures ( 1 , & TextureName ) ;
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if ( LockImage )
LockImage - > drop ( ) ;
for ( u32 i = 0 ; i < Images . size ( ) ; + + i )
Images [ i ] - > drop ( ) ;
}
void * lock ( E_TEXTURE_LOCK_MODE mode = ETLM_READ_WRITE , u32 mipmapLevel = 0 , u32 layer = 0 , E_TEXTURE_LOCK_FLAGS lockFlags = ETLF_FLIP_Y_UP_RTT ) override
{
if ( LockImage )
return getLockImageData ( MipLevelStored ) ;
if ( IImage : : isCompressedFormat ( ColorFormat ) )
return 0 ;
LockReadOnly | = ( mode = = ETLM_READ_ONLY ) ;
LockLayer = layer ;
MipLevelStored = mipmapLevel ;
if ( KeepImage )
{
_IRR_DEBUG_BREAK_IF ( LockLayer > Images . size ( ) )
if ( mipmapLevel = = 0 | | ( Images [ LockLayer ] & & Images [ LockLayer ] - > getMipMapsData ( mipmapLevel ) ) )
{
LockImage = Images [ LockLayer ] ;
LockImage - > grab ( ) ;
}
}
if ( ! LockImage )
{
core : : dimension2d < u32 > lockImageSize ( IImage : : getMipMapsSize ( Size , MipLevelStored ) ) ;
// note: we save mipmap data also in the image because IImage doesn't allow saving single mipmap levels to the mipmap data
LockImage = Driver - > createImage ( ColorFormat , lockImageSize ) ;
if ( LockImage & & mode ! = ETLM_WRITE_ONLY )
{
bool passed = true ;
# ifdef IRR_COMPILE_GL_COMMON
IImage * tmpImage = LockImage ; // not sure yet if the size required by glGetTexImage is always correct, if not we might have to allocate a different tmpImage and convert colors later on.
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , this ) ;
Driver - > testGLError ( __LINE__ ) ;
GLenum tmpTextureType = TextureType ;
if ( tmpTextureType = = GL_TEXTURE_CUBE_MAP )
{
_IRR_DEBUG_BREAK_IF ( layer > 5 )
tmpTextureType = GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer ;
}
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GL . GetTexImage ( tmpTextureType , MipLevelStored , PixelFormat , PixelType , tmpImage - > getData ( ) ) ;
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Driver - > testGLError ( __LINE__ ) ;
if ( IsRenderTarget & & lockFlags = = ETLF_FLIP_Y_UP_RTT )
{
const s32 pitch = tmpImage - > getPitch ( ) ;
u8 * srcA = static_cast < u8 * > ( tmpImage - > getData ( ) ) ;
u8 * srcB = srcA + ( tmpImage - > getDimension ( ) . Height - 1 ) * pitch ;
u8 * tmpBuffer = new u8 [ pitch ] ;
for ( u32 i = 0 ; i < tmpImage - > getDimension ( ) . Height ; i + = 2 )
{
memcpy ( tmpBuffer , srcA , pitch ) ;
memcpy ( srcA , srcB , pitch ) ;
memcpy ( srcB , tmpBuffer , pitch ) ;
srcA + = pitch ;
srcB - = pitch ;
}
delete [ ] tmpBuffer ;
}
# elif (defined(IRR_COMPILE_GLES2_COMMON) || defined(IRR_COMPILE_GLES_COMMON))
// TODO: on ES2 we can likely also work with glCopyTexImage2D instead of rendering which should be faster.
COpenGLCoreTexture * tmpTexture = new COpenGLCoreTexture ( " OGL_CORE_LOCK_TEXTURE " , Size , ETT_2D , ColorFormat , Driver ) ;
GLuint tmpFBO = 0 ;
Driver - > irrGlGenFramebuffers ( 1 , & tmpFBO ) ;
GLint prevViewportX = 0 ;
GLint prevViewportY = 0 ;
GLsizei prevViewportWidth = 0 ;
GLsizei prevViewportHeight = 0 ;
Driver - > getCacheHandler ( ) - > getViewport ( prevViewportX , prevViewportY , prevViewportWidth , prevViewportHeight ) ;
Driver - > getCacheHandler ( ) - > setViewport ( 0 , 0 , Size . Width , Size . Height ) ;
GLuint prevFBO = 0 ;
Driver - > getCacheHandler ( ) - > getFBO ( prevFBO ) ;
Driver - > getCacheHandler ( ) - > setFBO ( tmpFBO ) ;
Driver - > irrGlFramebufferTexture2D ( GL_FRAMEBUFFER , GL_COLOR_ATTACHMENT0 , GL_TEXTURE_2D , tmpTexture - > getOpenGLTextureName ( ) , 0 ) ;
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GL . Clear ( GL_COLOR_BUFFER_BIT ) ;
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Driver - > draw2DImage ( this , layer , true ) ;
IImage * tmpImage = Driver - > createImage ( ECF_A8R8G8B8 , Size ) ;
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GL . ReadPixels ( 0 , 0 , Size . Width , Size . Height , GL_RGBA , GL_UNSIGNED_BYTE , tmpImage - > getData ( ) ) ;
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Driver - > getCacheHandler ( ) - > setFBO ( prevFBO ) ;
Driver - > getCacheHandler ( ) - > setViewport ( prevViewportX , prevViewportY , prevViewportWidth , prevViewportHeight ) ;
Driver - > irrGlDeleteFramebuffers ( 1 , & tmpFBO ) ;
delete tmpTexture ;
void * src = tmpImage - > getData ( ) ;
void * dest = LockImage - > getData ( ) ;
switch ( ColorFormat )
{
case ECF_A1R5G5B5 :
CColorConverter : : convert_A8R8G8B8toA1B5G5R5 ( src , tmpImage - > getDimension ( ) . getArea ( ) , dest ) ;
break ;
case ECF_R5G6B5 :
CColorConverter : : convert_A8R8G8B8toR5G6B5 ( src , tmpImage - > getDimension ( ) . getArea ( ) , dest ) ;
break ;
case ECF_R8G8B8 :
CColorConverter : : convert_A8R8G8B8toB8G8R8 ( src , tmpImage - > getDimension ( ) . getArea ( ) , dest ) ;
break ;
case ECF_A8R8G8B8 :
CColorConverter : : convert_A8R8G8B8toA8B8G8R8 ( src , tmpImage - > getDimension ( ) . getArea ( ) , dest ) ;
break ;
default :
passed = false ;
break ;
}
tmpImage - > drop ( ) ;
# endif
if ( ! passed )
{
LockImage - > drop ( ) ;
LockImage = 0 ;
}
}
Driver - > testGLError ( __LINE__ ) ;
}
return ( LockImage ) ? getLockImageData ( MipLevelStored ) : 0 ;
}
void unlock ( ) override
{
if ( ! LockImage )
return ;
if ( ! LockReadOnly )
{
const COpenGLCoreTexture * prevTexture = Driver - > getCacheHandler ( ) - > getTextureCache ( ) . get ( 0 ) ;
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , this ) ;
uploadTexture ( false , LockLayer , MipLevelStored , getLockImageData ( MipLevelStored ) ) ;
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , prevTexture ) ;
}
LockImage - > drop ( ) ;
LockReadOnly = false ;
LockImage = 0 ;
LockLayer = 0 ;
}
void regenerateMipMapLevels ( void * data = 0 , u32 layer = 0 ) override
{
if ( ! HasMipMaps | | LegacyAutoGenerateMipMaps | | ( Size . Width < = 1 & & Size . Height < = 1 ) )
return ;
const COpenGLCoreTexture * prevTexture = Driver - > getCacheHandler ( ) - > getTextureCache ( ) . get ( 0 ) ;
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , this ) ;
if ( data )
{
u32 width = Size . Width ;
u32 height = Size . Height ;
u8 * tmpData = static_cast < u8 * > ( data ) ;
u32 dataSize = 0 ;
u32 level = 0 ;
do
{
if ( width > 1 )
width > > = 1 ;
if ( height > 1 )
height > > = 1 ;
dataSize = IImage : : getDataSizeFromFormat ( ColorFormat , width , height ) ;
+ + level ;
uploadTexture ( true , layer , level , tmpData ) ;
tmpData + = dataSize ;
}
while ( width ! = 1 | | height ! = 1 ) ;
}
else
{
Driver - > irrGlGenerateMipmap ( TextureType ) ;
}
Driver - > getCacheHandler ( ) - > getTextureCache ( ) . set ( 0 , prevTexture ) ;
}
GLenum getOpenGLTextureType ( ) const
{
return TextureType ;
}
GLuint getOpenGLTextureName ( ) const
{
return TextureName ;
}
SStatesCache & getStatesCache ( ) const
{
return StatesCache ;
}
protected :
void * getLockImageData ( irr : : u32 miplevel ) const
{
if ( KeepImage & & MipLevelStored > 0
& & LockImage - > getMipMapsData ( MipLevelStored ) )
{
return LockImage - > getMipMapsData ( MipLevelStored ) ;
}
return LockImage - > getData ( ) ;
}
ECOLOR_FORMAT getBestColorFormat ( ECOLOR_FORMAT format )
{
// We only try for to adapt "simple" formats
ECOLOR_FORMAT destFormat = ( format < = ECF_A8R8G8B8 ) ? ECF_A8R8G8B8 : format ;
switch ( format )
{
case ECF_A1R5G5B5 :
if ( ! Driver - > getTextureCreationFlag ( ETCF_ALWAYS_32_BIT ) )
destFormat = ECF_A1R5G5B5 ;
break ;
case ECF_R5G6B5 :
if ( ! Driver - > getTextureCreationFlag ( ETCF_ALWAYS_32_BIT ) )
destFormat = ECF_R5G6B5 ;
break ;
case ECF_A8R8G8B8 :
if ( Driver - > getTextureCreationFlag ( ETCF_ALWAYS_16_BIT ) | |
Driver - > getTextureCreationFlag ( ETCF_OPTIMIZED_FOR_SPEED ) )
destFormat = ECF_A1R5G5B5 ;
break ;
case ECF_R8G8B8 :
// Note: Using ECF_A8R8G8B8 even when ETCF_ALWAYS_32_BIT is not set as 24 bit textures fail with too many cards
if ( Driver - > getTextureCreationFlag ( ETCF_ALWAYS_16_BIT ) | | Driver - > getTextureCreationFlag ( ETCF_OPTIMIZED_FOR_SPEED ) )
destFormat = ECF_A1R5G5B5 ;
default :
break ;
}
if ( Driver - > getTextureCreationFlag ( ETCF_NO_ALPHA_CHANNEL ) )
{
switch ( destFormat )
{
case ECF_A1R5G5B5 :
destFormat = ECF_R5G6B5 ;
break ;
case ECF_A8R8G8B8 :
destFormat = ECF_R8G8B8 ;
break ;
default :
break ;
}
}
return destFormat ;
}
void getImageValues ( const IImage * image )
{
OriginalColorFormat = image - > getColorFormat ( ) ;
ColorFormat = getBestColorFormat ( OriginalColorFormat ) ;
if ( ! Driver - > getColorFormatParameters ( ColorFormat , InternalFormat , PixelFormat , PixelType , & Converter ) )
{
os : : Printer : : log ( " getImageValues: Color format is not supported " , ColorFormatNames [ ColorFormat < ECF_UNKNOWN ? ColorFormat : ECF_UNKNOWN ] , ELL_ERROR ) ;
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InternalFormat = 0 ;
return ;
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}
if ( IImage : : isCompressedFormat ( image - > getColorFormat ( ) ) )
{
KeepImage = false ;
}
OriginalSize = image - > getDimension ( ) ;
Size = OriginalSize ;
if ( Size . Width = = 0 | | Size . Height = = 0 )
{
os : : Printer : : log ( " Invalid size of image for texture. " , ELL_ERROR ) ;
return ;
}
const f32 ratio = ( f32 ) Size . Width / ( f32 ) Size . Height ;
if ( ( Size . Width > Driver - > MaxTextureSize ) & & ( ratio > = 1.f ) )
{
Size . Width = Driver - > MaxTextureSize ;
Size . Height = ( u32 ) ( Driver - > MaxTextureSize / ratio ) ;
}
else if ( Size . Height > Driver - > MaxTextureSize )
{
Size . Height = Driver - > MaxTextureSize ;
Size . Width = ( u32 ) ( Driver - > MaxTextureSize * ratio ) ;
}
bool needSquare = ( ! Driver - > queryFeature ( EVDF_TEXTURE_NSQUARE ) | | Type = = ETT_CUBEMAP ) ;
Size = Size . getOptimalSize ( ! Driver - > queryFeature ( EVDF_TEXTURE_NPOT ) , needSquare , true , Driver - > MaxTextureSize ) ;
Pitch = Size . Width * IImage : : getBitsPerPixelFromFormat ( ColorFormat ) / 8 ;
}
void uploadTexture ( bool initTexture , u32 layer , u32 level , void * data )
{
if ( ! data )
return ;
u32 width = Size . Width > > level ;
u32 height = Size . Height > > level ;
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if ( width < 1 )
width = 1 ;
if ( height < 1 )
height = 1 ;
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GLenum tmpTextureType = TextureType ;
if ( tmpTextureType = = GL_TEXTURE_CUBE_MAP )
{
_IRR_DEBUG_BREAK_IF ( layer > 5 )
tmpTextureType = GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer ;
}
if ( ! IImage : : isCompressedFormat ( ColorFormat ) )
{
CImage * tmpImage = 0 ;
void * tmpData = data ;
if ( Converter )
{
const core : : dimension2d < u32 > tmpImageSize ( width , height ) ;
tmpImage = new CImage ( ColorFormat , tmpImageSize ) ;
tmpData = tmpImage - > getData ( ) ;
Converter ( data , tmpImageSize . getArea ( ) , tmpData ) ;
}
switch ( TextureType )
{
case GL_TEXTURE_2D :
case GL_TEXTURE_CUBE_MAP :
if ( initTexture )
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GL . TexImage2D ( tmpTextureType , level , InternalFormat , width , height , 0 , PixelFormat , PixelType , tmpData ) ;
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else
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GL . TexSubImage2D ( tmpTextureType , level , 0 , 0 , width , height , PixelFormat , PixelType , tmpData ) ;
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Driver - > testGLError ( __LINE__ ) ;
break ;
default :
break ;
}
delete tmpImage ;
}
else
{
u32 dataSize = IImage : : getDataSizeFromFormat ( ColorFormat , width , height ) ;
switch ( TextureType )
{
case GL_TEXTURE_2D :
case GL_TEXTURE_CUBE_MAP :
if ( initTexture )
Driver - > irrGlCompressedTexImage2D ( tmpTextureType , level , InternalFormat , width , height , 0 , dataSize , data ) ;
else
Driver - > irrGlCompressedTexSubImage2D ( tmpTextureType , level , 0 , 0 , width , height , PixelFormat , dataSize , data ) ;
Driver - > testGLError ( __LINE__ ) ;
break ;
default :
break ;
}
}
}
GLenum TextureTypeIrrToGL ( E_TEXTURE_TYPE type ) const
{
switch ( type )
{
case ETT_2D :
return GL_TEXTURE_2D ;
case ETT_CUBEMAP :
return GL_TEXTURE_CUBE_MAP ;
}
os : : Printer : : log ( " COpenGLCoreTexture::TextureTypeIrrToGL unknown texture type " , ELL_WARNING ) ;
return GL_TEXTURE_2D ;
}
TOpenGLDriver * Driver ;
GLenum TextureType ;
GLuint TextureName ;
GLint InternalFormat ;
GLenum PixelFormat ;
GLenum PixelType ;
void ( * Converter ) ( const void * , s32 , void * ) ;
bool LockReadOnly ;
IImage * LockImage ;
u32 LockLayer ;
bool KeepImage ;
core : : array < IImage * > Images ;
u8 MipLevelStored ;
bool LegacyAutoGenerateMipMaps ;
mutable SStatesCache StatesCache ;
} ;
}
}