Files
SingularityViewer/indra/llrender/llimagegl.cpp
2010-11-09 15:14:34 +01:00

1781 lines
43 KiB
C++

/**
* @file llimagegl.cpp
* @brief Generic GL image handler
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
// TODO: create 2 classes for images w/ and w/o discard levels?
#include "linden_common.h"
#include "llimagegl.h"
#include "llerror.h"
#include "llimage.h"
#include "llmath.h"
#include "llgl.h"
#include "llrender.h"
//----------------------------------------------------------------------------
const F32 MIN_TEXTURE_LIFETIME = 10.f;
//statics
LLGLuint LLImageGL::sCurrentBoundTextures[MAX_GL_TEXTURE_UNITS] = { 0 };
U32 LLImageGL::sUniqueCount = 0;
U32 LLImageGL::sBindCount = 0;
S32 LLImageGL::sGlobalTextureMemoryInBytes = 0;
S32 LLImageGL::sBoundTextureMemoryInBytes = 0;
S32 LLImageGL::sCurBoundTextureMemory = 0;
S32 LLImageGL::sCount = 0;
BOOL LLImageGL::sGlobalUseAnisotropic = FALSE;
F32 LLImageGL::sLastFrameTime = 0.f;
BOOL LLImageGL::sAllowReadBackRaw = FALSE ;
std::set<LLImageGL*> LLImageGL::sImageList;
//****************************************************************************************************
//The below for texture auditing use only
//****************************************************************************************************
//-----------------------
//debug use
BOOL gAuditTexture = FALSE ;
#define MAX_TEXTURE_LOG_SIZE 22 //2048 * 2048
std::vector<S32> LLImageGL::sTextureLoadedCounter(MAX_TEXTURE_LOG_SIZE + 1) ;
std::vector<S32> LLImageGL::sTextureBoundCounter(MAX_TEXTURE_LOG_SIZE + 1) ;
std::vector<S32> LLImageGL::sTextureCurBoundCounter(MAX_TEXTURE_LOG_SIZE + 1) ;
S32 LLImageGL::sCurTexSizeBar = -1 ;
S32 LLImageGL::sCurTexPickSize = -1 ;
LLPointer<LLImageGL> LLImageGL::sDefaultTexturep = NULL;
S32 LLImageGL::sMaxCatagories = 1 ;
std::vector<S32> LLImageGL::sTextureMemByCategory;
std::vector<S32> LLImageGL::sTextureMemByCategoryBound ;
std::vector<S32> LLImageGL::sTextureCurMemByCategoryBound ;
//------------------------
//****************************************************************************************************
//End for texture auditing use only
//****************************************************************************************************
//**************************************************************************************
//below are functions for debug use
//do not delete them even though they are not currently being used.
void check_all_images()
{
for (std::set<LLImageGL*>::iterator iter = LLImageGL::sImageList.begin();
iter != LLImageGL::sImageList.end(); iter++)
{
LLImageGL* glimage = *iter;
if (glimage->getTexName() && glimage->isGLTextureCreated())
{
gGL.getTexUnit(0)->bind(glimage) ;
glimage->checkTexSize() ;
gGL.getTexUnit(0)->unbind(glimage->getTarget()) ;
}
}
}
void LLImageGL::checkTexSize() const
{
if (gDebugGL && mTarget == GL_TEXTURE_2D)
{
GLint texname;
glGetIntegerv(GL_TEXTURE_BINDING_2D, &texname);
if (texname != mTexName)
{
llerrs << "Invalid texture bound!" << llendl;
}
stop_glerror() ;
LLGLint x = 0, y = 0 ;
glGetTexLevelParameteriv(mTarget, 0, GL_TEXTURE_WIDTH, (GLint*)&x);
glGetTexLevelParameteriv(mTarget, 0, GL_TEXTURE_HEIGHT, (GLint*)&y) ;
stop_glerror() ;
if(!x || !y)
{
return ;
}
if(x != (mWidth >> mCurrentDiscardLevel) || y != (mHeight >> mCurrentDiscardLevel))
{
llerrs << "wrong texture size and discard level!" << llendl ;
}
}
}
//end of debug functions
//**************************************************************************************
//----------------------------------------------------------------------------
//static
void LLImageGL::initClass(S32 num_catagories)
{
sMaxCatagories = num_catagories ;
sTextureMemByCategory.resize(sMaxCatagories);
sTextureMemByCategoryBound.resize(sMaxCatagories) ;
sTextureCurMemByCategoryBound.resize(sMaxCatagories) ;
}
//static
void LLImageGL::cleanupClass()
{
}
//static
S32 LLImageGL::dataFormatBits(S32 dataformat)
{
switch (dataformat)
{
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 4;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 8;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 8;
case GL_LUMINANCE: return 8;
case GL_ALPHA: return 8;
case GL_COLOR_INDEX: return 8;
case GL_LUMINANCE_ALPHA: return 16;
case GL_RGB: return 24;
case GL_RGB8: return 24;
case GL_RGBA: return 32;
case GL_BGRA: return 32; // Used for QuickTime media textures on the Mac
default:
llerrs << "LLImageGL::Unknown format: " << dataformat << llendl;
return 0;
}
}
//static
S32 LLImageGL::dataFormatBytes(S32 dataformat, S32 width, S32 height)
{
if (dataformat >= GL_COMPRESSED_RGB_S3TC_DXT1_EXT &&
dataformat <= GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
{
if (width < 4) width = 4;
if (height < 4) height = 4;
}
S32 bytes ((width*height*dataFormatBits(dataformat)+7)>>3);
S32 aligned = (bytes+3)&~3;
return aligned;
}
//static
S32 LLImageGL::dataFormatComponents(S32 dataformat)
{
switch (dataformat)
{
case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 3;
case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 4;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 4;
case GL_LUMINANCE: return 1;
case GL_ALPHA: return 1;
case GL_COLOR_INDEX: return 1;
case GL_LUMINANCE_ALPHA: return 2;
case GL_RGB: return 3;
case GL_RGBA: return 4;
case GL_BGRA: return 4; // Used for QuickTime media textures on the Mac
default:
llerrs << "LLImageGL::Unknown format: " << dataformat << llendl;
return 0;
}
}
//----------------------------------------------------------------------------
// static
void LLImageGL::updateStats(F32 current_time)
{
sLastFrameTime = current_time;
sBoundTextureMemoryInBytes = sCurBoundTextureMemory;
sCurBoundTextureMemory = 0;
if(gAuditTexture)
{
for(U32 i = 0 ; i < sTextureCurBoundCounter.size() ; i++)
{
sTextureBoundCounter[i] = sTextureCurBoundCounter[i] ;
sTextureCurBoundCounter[i] = 0 ;
}
for(U32 i = 0 ; i < sTextureCurMemByCategoryBound.size() ; i++)
{
sTextureMemByCategoryBound[i] = sTextureCurMemByCategoryBound[i] ;
sTextureCurMemByCategoryBound[i] = 0 ;
}
}
}
//static
S32 LLImageGL::updateBoundTexMemStatic(const S32 delta, const S32 size, S32 category)
{
if(gAuditTexture)
{
sTextureCurBoundCounter[getTextureCounterIndex(size)]++ ;
sTextureCurMemByCategoryBound[category] += delta ;
}
LLImageGL::sCurBoundTextureMemory += delta ;
return LLImageGL::sCurBoundTextureMemory;
}
S32 LLImageGL::updateBoundTexMem()const
{
if(gAuditTexture)
{
sTextureCurBoundCounter[getTextureCounterIndex(mTextureMemory / mComponents)]++ ;
sTextureCurMemByCategoryBound[mCategory] += mTextureMemory ;
}
LLImageGL::sCurBoundTextureMemory += mTextureMemory ;
return LLImageGL::sCurBoundTextureMemory;
}
//----------------------------------------------------------------------------
//static
void LLImageGL::destroyGL(BOOL save_state)
{
for (S32 stage = 0; stage < gGLManager.mNumTextureUnits; stage++)
{
gGL.getTexUnit(stage)->unbind(LLTexUnit::TT_TEXTURE);
}
sAllowReadBackRaw = true ;
for (std::set<LLImageGL*>::iterator iter = sImageList.begin();
iter != sImageList.end(); iter++)
{
LLImageGL* glimage = *iter;
if (glimage->mTexName)
{
if (save_state && glimage->isGLTextureCreated() && glimage->mComponents)
{
glimage->mSaveData = new LLImageRaw;
if(!glimage->readBackRaw(glimage->mCurrentDiscardLevel, glimage->mSaveData, false)) //necessary, keep it.
{
glimage->mSaveData = NULL ;
}
}
glimage->destroyGLTexture();
stop_glerror();
}
}
sAllowReadBackRaw = false ;
}
//static
void LLImageGL::restoreGL()
{
for (std::set<LLImageGL*>::iterator iter = sImageList.begin();
iter != sImageList.end(); iter++)
{
LLImageGL* glimage = *iter;
if(glimage->getTexName())
{
llerrs << "tex name is not 0." << llendl ;
}
if (glimage->mSaveData.notNull())
{
if (glimage->getComponents() && glimage->mSaveData->getComponents())
{
glimage->createGLTexture(glimage->mCurrentDiscardLevel, glimage->mSaveData, 0, TRUE, glimage->getCategory());
stop_glerror();
}
glimage->mSaveData = NULL; // deletes data
}
}
}
//----------------------------------------------------------------------------
//static
BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, BOOL usemipmaps)
{
dest = new LLImageGL(usemipmaps);
return TRUE;
}
BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, U32 width, U32 height, U8 components, BOOL usemipmaps)
{
dest = new LLImageGL(width, height, components, usemipmaps);
return TRUE;
}
BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, const LLImageRaw* imageraw, BOOL usemipmaps)
{
dest = new LLImageGL(imageraw, usemipmaps);
return TRUE;
}
//----------------------------------------------------------------------------
LLImageGL::LLImageGL(BOOL usemipmaps)
: mSaveData(0)
{
init(usemipmaps);
setSize(0, 0, 0);
sImageList.insert(this);
sCount++;
}
LLImageGL::LLImageGL(U32 width, U32 height, U8 components, BOOL usemipmaps)
: mSaveData(0)
{
llassert( components <= 4 );
init(usemipmaps);
setSize(width, height, components);
sImageList.insert(this);
sCount++;
}
LLImageGL::LLImageGL(const LLImageRaw* imageraw, BOOL usemipmaps)
: mSaveData(0)
{
init(usemipmaps);
setSize(0, 0, 0);
sImageList.insert(this);
sCount++;
createGLTexture(0, imageraw);
}
LLImageGL::~LLImageGL()
{
LLImageGL::cleanup();
sImageList.erase(this);
delete [] mPickMask;
mPickMask = NULL;
mPickMaskSize = 0;
sCount--;
}
void LLImageGL::init(BOOL usemipmaps)
{
#ifdef DEBUG_MISS
mMissed = FALSE;
#endif
mPickMask = NULL;
mPickMaskSize = 0;
mTextureState = NO_DELETE ;
mTextureMemory = 0;
mLastBindTime = 0.f;
mTarget = GL_TEXTURE_2D;
mBindTarget = LLTexUnit::TT_TEXTURE;
mUseMipMaps = usemipmaps;
mHasMipMaps = false;
mAutoGenMips = FALSE;
mTexName = 0;
mIsResident = 0;
mTexOptionsDirty = true;
mAddressMode = LLTexUnit::TAM_WRAP;
mFilterOption = LLTexUnit::TFO_ANISOTROPIC;
mWidth = 0;
mHeight = 0;
mComponents = 0;
mMaxDiscardLevel = MAX_DISCARD_LEVEL;
mCurrentDiscardLevel = -1;
mDontDiscard = FALSE;
mFormatInternal = -1;
mFormatPrimary = (LLGLenum) 0;
mFormatType = GL_UNSIGNED_BYTE;
mFormatSwapBytes = FALSE;
mHasExplicitFormat = FALSE;
mGLTextureCreated = FALSE ;
mIsMask = FALSE;
mCategory = -1 ;
}
void LLImageGL::cleanup()
{
if (!gGLManager.mIsDisabled)
{
destroyGLTexture();
}
mSaveData = NULL; // deletes data
}
//----------------------------------------------------------------------------
//this function is used to check the size of a texture image.
//so dim should be a positive number
static bool check_power_of_two(S32 dim)
{
if(dim < 0)
{
return false ;
}
if(!dim)//0 is a power-of-two number
{
return true ;
}
return !(dim & (dim - 1)) ;
}
//static
bool LLImageGL::checkSize(S32 width, S32 height)
{
return check_power_of_two(width) && check_power_of_two(height);
}
void LLImageGL::setSize(S32 width, S32 height, S32 ncomponents)
{
if (width != mWidth || height != mHeight || ncomponents != mComponents)
{
// Check if dimensions are a power of two!
if (!checkSize(width,height))
{
llerrs << llformat("Texture has non power of two dimention: %dx%d",width,height) << llendl;
}
if (mTexName)
{
// llwarns << "Setting Size of LLImageGL with existing mTexName = " << mTexName << llendl;
destroyGLTexture();
}
mWidth = width;
mHeight = height;
mComponents = ncomponents;
if (ncomponents > 0)
{
mMaxDiscardLevel = 0;
while (width > 1 && height > 1 && mMaxDiscardLevel < MAX_DISCARD_LEVEL)
{
mMaxDiscardLevel++;
width >>= 1;
height >>= 1;
}
}
else
{
mMaxDiscardLevel = MAX_DISCARD_LEVEL;
}
}
}
//----------------------------------------------------------------------------
// virtual
void LLImageGL::dump()
{
llinfos << "mMaxDiscardLevel " << S32(mMaxDiscardLevel)
<< " mLastBindTime " << mLastBindTime
<< " mTarget " << S32(mTarget)
<< " mBindTarget " << S32(mBindTarget)
<< " mUseMipMaps " << S32(mUseMipMaps)
<< " mHasMipMaps " << S32(mHasMipMaps)
<< " mCurrentDiscardLevel " << S32(mCurrentDiscardLevel)
<< " mFormatInternal " << S32(mFormatInternal)
<< " mFormatPrimary " << S32(mFormatPrimary)
<< " mFormatType " << S32(mFormatType)
<< " mFormatSwapBytes " << S32(mFormatSwapBytes)
<< " mHasExplicitFormat " << S32(mHasExplicitFormat)
#if DEBUG_MISS
<< " mMissed " << mMissed
#endif
<< llendl;
llinfos << " mTextureMemory " << mTextureMemory
<< " mTexNames " << mTexName
<< " mIsResident " << S32(mIsResident)
<< llendl;
}
//----------------------------------------------------------------------------
void LLImageGL::forceUpdateBindStats(void) const
{
mLastBindTime = sLastFrameTime;
}
void LLImageGL::updateBindStats(void) const
{
if (mTexName != 0)
{
#ifdef DEBUG_MISS
mMissed = ! getIsResident(TRUE);
#endif
sBindCount++;
if (mLastBindTime != sLastFrameTime)
{
// we haven't accounted for this texture yet this frame
sUniqueCount++;
updateBoundTexMem();
mLastBindTime = sLastFrameTime;
}
}
}
//virtual
bool LLImageGL::bindError(const S32 stage) const
{
return false;
}
//virtual
bool LLImageGL::bindDefaultImage(const S32 stage)
{
return false;
}
//virtual
void LLImageGL::forceImmediateUpdate()
{
return ;
}
void LLImageGL::setExplicitFormat( LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes )
{
// Note: must be called before createTexture()
// Note: it's up to the caller to ensure that the format matches the number of components.
mHasExplicitFormat = TRUE;
mFormatInternal = internal_format;
mFormatPrimary = primary_format;
if(type_format == 0)
mFormatType = GL_UNSIGNED_BYTE;
else
mFormatType = type_format;
mFormatSwapBytes = swap_bytes;
}
//----------------------------------------------------------------------------
void LLImageGL::setImage(const LLImageRaw* imageraw)
{
llassert((imageraw->getWidth() == getWidth(mCurrentDiscardLevel)) &&
(imageraw->getHeight() == getHeight(mCurrentDiscardLevel)) &&
(imageraw->getComponents() == getComponents()));
const U8* rawdata = imageraw->getData();
setImage(rawdata, FALSE);
}
void LLImageGL::setImage(const U8* data_in, BOOL data_hasmips)
{
// LLFastTimer t1(LLFastTimer::FTM_TEMP1);
bool is_compressed = false;
if (mFormatPrimary >= GL_COMPRESSED_RGBA_S3TC_DXT1_EXT && mFormatPrimary <= GL_COMPRESSED_RGBA_S3TC_DXT5_EXT)
{
is_compressed = true;
}
// LLFastTimer t2(LLFastTimer::FTM_TEMP2);
gGL.getTexUnit(0)->bind(this);
if (mUseMipMaps)
{
// LLFastTimer t2(LLFastTimer::FTM_TEMP3);
if (data_hasmips)
{
// NOTE: data_in points to largest image; smaller images
// are stored BEFORE the largest image
for (S32 d=mCurrentDiscardLevel; d<=mMaxDiscardLevel; d++)
{
S32 w = getWidth(d);
S32 h = getHeight(d);
S32 gl_level = d-mCurrentDiscardLevel;
if (d > mCurrentDiscardLevel)
{
data_in -= dataFormatBytes(mFormatPrimary, w, h); // see above comment
}
if (is_compressed)
{
// LLFastTimer t2(LLFastTimer::FTM_TEMP4);
S32 tex_size = dataFormatBytes(mFormatPrimary, w, h);
glCompressedTexImage2DARB(mTarget, gl_level, mFormatPrimary, w, h, 0, tex_size, (GLvoid *)data_in);
stop_glerror();
}
else
{
// LLFastTimer t2(LLFastTimer::FTM_TEMP4);
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
stop_glerror();
}
LLImageGL::setManualImage(mTarget, gl_level, mFormatInternal, w, h, mFormatPrimary, GL_UNSIGNED_BYTE, (GLvoid*)data_in);
if (gl_level == 0)
{
analyzeAlpha(data_in, w, h);
}
updatePickMask(w, h, data_in);
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
stop_glerror();
}
stop_glerror();
}
stop_glerror();
}
}
else if (!is_compressed)
{
if (mAutoGenMips)
{
glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_GENERATE_MIPMAP_SGIS, TRUE);
stop_glerror();
{
// LLFastTimer t2(LLFastTimer::FTM_TEMP4);
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
stop_glerror();
}
S32 w = getWidth(mCurrentDiscardLevel);
S32 h = getHeight(mCurrentDiscardLevel);
LLImageGL::setManualImage(mTarget, 0, mFormatInternal,
w, h,
mFormatPrimary, mFormatType,
data_in);
analyzeAlpha(data_in, w, h);
stop_glerror();
updatePickMask(w, h, data_in);
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
stop_glerror();
}
}
}
else
{
// Create mips by hand
// about 30% faster than autogen on ATI 9800, 50% slower on nVidia 4800
// ~4x faster than gluBuild2DMipmaps
S32 width = getWidth(mCurrentDiscardLevel);
S32 height = getHeight(mCurrentDiscardLevel);
S32 nummips = mMaxDiscardLevel - mCurrentDiscardLevel + 1;
S32 w = width, h = height;
const U8* prev_mip_data = 0;
const U8* cur_mip_data = 0;
S32 prev_mip_size = 0;
S32 cur_mip_size = 0;
for (int m=0; m<nummips; m++)
{
if (m==0)
{
cur_mip_data = data_in;
cur_mip_size = width * height * mComponents;
}
else
{
S32 bytes = w * h * mComponents;
llassert(prev_mip_data);
llassert(prev_mip_size == bytes*4);
U8* new_data = new U8[bytes];
llassert_always(new_data);
LLImageBase::generateMip(prev_mip_data, new_data, w, h, mComponents);
cur_mip_data = new_data;
cur_mip_size = bytes;
}
llassert(w > 0 && h > 0 && cur_mip_data);
{
// LLFastTimer t1(LLFastTimer::FTM_TEMP4);
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
stop_glerror();
}
LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data);
if (m == 0)
{
analyzeAlpha(data_in, w, h);
}
stop_glerror();
if (m == 0)
{
updatePickMask(w, h, cur_mip_data);
}
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
stop_glerror();
}
}
if (prev_mip_data && prev_mip_data != data_in)
{
delete[] prev_mip_data;
}
prev_mip_data = cur_mip_data;
prev_mip_size = cur_mip_size;
w >>= 1;
h >>= 1;
}
if (prev_mip_data && prev_mip_data != data_in)
{
delete[] prev_mip_data;
prev_mip_data = NULL;
}
}
}
else
{
llerrs << "Compressed Image has mipmaps but data does not (can not auto generate compressed mips)" << llendl;
}
mHasMipMaps = true;
}
else
{
// LLFastTimer t2(LLFastTimer::FTM_TEMP5);
S32 w = getWidth();
S32 h = getHeight();
if (is_compressed)
{
S32 tex_size = dataFormatBytes(mFormatPrimary, w, h);
glCompressedTexImage2DARB(mTarget, 0, mFormatPrimary, w, h, 0, tex_size, (GLvoid *)data_in);
stop_glerror();
}
else
{
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
stop_glerror();
}
LLImageGL::setManualImage(mTarget, 0, mFormatInternal, w, h,
mFormatPrimary, mFormatType, (GLvoid *)data_in);
analyzeAlpha(data_in, w, h);
updatePickMask(w, h, data_in);
stop_glerror();
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
stop_glerror();
}
}
mHasMipMaps = false;
}
stop_glerror();
mGLTextureCreated = true;
}
BOOL LLImageGL::setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height, BOOL force_fast_update)
{
if (!width || !height)
{
return TRUE;
}
if (mTexName == 0)
{
llwarns << "Setting subimage on image without GL texture" << llendl;
return FALSE;
}
if (datap == NULL)
{
llwarns << "Setting subimage on image with NULL datap" << llendl;
return FALSE;
}
// HACK: allow the caller to explicitly force the fast path (i.e. using glTexSubImage2D here instead of calling setImage) even when updating the full texture.
if (!force_fast_update && x_pos == 0 && y_pos == 0 && width == getWidth() && height == getHeight() && data_width == width && data_height == height)
{
setImage(datap, FALSE);
}
else
{
if (mUseMipMaps)
{
dump();
llerrs << "setSubImage called with mipmapped image (not supported)" << llendl;
}
llassert_always(mCurrentDiscardLevel == 0);
llassert_always(x_pos >= 0 && y_pos >= 0);
if (((x_pos + width) > getWidth()) ||
(y_pos + height) > getHeight())
{
dump();
llerrs << "Subimage not wholly in target image!"
<< " x_pos " << x_pos
<< " y_pos " << y_pos
<< " width " << width
<< " height " << height
<< " getWidth() " << getWidth()
<< " getHeight() " << getHeight()
<< llendl;
}
if ((x_pos + width) > data_width ||
(y_pos + height) > data_height)
{
dump();
llerrs << "Subimage not wholly in source image!"
<< " x_pos " << x_pos
<< " y_pos " << y_pos
<< " width " << width
<< " height " << height
<< " source_width " << data_width
<< " source_height " << data_height
<< llendl;
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, data_width);
stop_glerror();
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
stop_glerror();
}
datap += (y_pos * data_width + x_pos) * getComponents();
// Update the GL texture
BOOL res = gGL.getTexUnit(0)->bindManual(mBindTarget, mTexName);
if (!res) llerrs << "LLImageGL::setSubImage(): bindTexture failed" << llendl;
stop_glerror();
glTexSubImage2D(mTarget, 0, x_pos, y_pos,
width, height, mFormatPrimary, mFormatType, datap);
gGL.getTexUnit(0)->disable();
stop_glerror();
if(mFormatSwapBytes)
{
glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
stop_glerror();
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
stop_glerror();
mGLTextureCreated = true;
}
return TRUE;
}
BOOL LLImageGL::setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height, BOOL force_fast_update)
{
return setSubImage(imageraw->getData(), imageraw->getWidth(), imageraw->getHeight(), x_pos, y_pos, width, height, force_fast_update);
}
// Copy sub image from frame buffer
BOOL LLImageGL::setSubImageFromFrameBuffer(S32 fb_x, S32 fb_y, S32 x_pos, S32 y_pos, S32 width, S32 height)
{
if (gGL.getTexUnit(0)->bind(this, false, true))
{
//checkTexSize() ;
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, fb_x, fb_y, x_pos, y_pos, width, height);
mGLTextureCreated = true;
stop_glerror();
return TRUE;
}
else
{
return FALSE;
}
}
// static
void LLImageGL::generateTextures(S32 numTextures, U32 *textures)
{
glGenTextures(numTextures, (GLuint*)textures);
}
// static
void LLImageGL::deleteTextures(S32 numTextures, U32 *textures)
{
glDeleteTextures(numTextures, (GLuint*)textures);
}
// static
void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void *pixels)
{
glTexImage2D(target, miplevel, intformat, width, height, 0, pixformat, pixtype, pixels);
}
//create an empty GL texture: just create a texture name
//the texture is assiciate with some image by calling glTexImage outside LLImageGL
BOOL LLImageGL::createGLTexture()
{
if (gGLManager.mIsDisabled)
{
llwarns << "Trying to create a texture while GL is disabled!" << llendl;
return FALSE;
}
mGLTextureCreated = false ; //do not save this texture when gl is destroyed.
llassert(gGLManager.mInited);
stop_glerror();
if(mTexName)
{
glDeleteTextures(1, (reinterpret_cast<GLuint*>(&mTexName))) ;
}
glGenTextures(1, (GLuint*)&mTexName);
stop_glerror();
if (!mTexName)
{
llerrs << "LLImageGL::createGLTexture failed to make an empty texture" << llendl;
}
return TRUE ;
}
BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename/*=0*/, BOOL to_create, S32 category)
{
if (gGLManager.mIsDisabled)
{
llwarns << "Trying to create a texture while GL is disabled!" << llendl;
return FALSE;
}
mGLTextureCreated = false ;
llassert(gGLManager.mInited);
stop_glerror();
if (discard_level < 0)
{
llassert(mCurrentDiscardLevel >= 0);
discard_level = mCurrentDiscardLevel;
}
discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel);
// Actual image width/height = raw image width/height * 2^discard_level
S32 raw_w = imageraw->getWidth() ;
S32 raw_h = imageraw->getHeight() ;
S32 w = raw_w << discard_level;
S32 h = raw_h << discard_level;
// setSize may call destroyGLTexture if the size does not match
setSize(w, h, imageraw->getComponents());
if( !mHasExplicitFormat )
{
switch (mComponents)
{
case 1:
// Use luminance alpha (for fonts)
mFormatInternal = GL_LUMINANCE8;
mFormatPrimary = GL_LUMINANCE;
mFormatType = GL_UNSIGNED_BYTE;
break;
case 2:
// Use luminance alpha (for fonts)
mFormatInternal = GL_LUMINANCE8_ALPHA8;
mFormatPrimary = GL_LUMINANCE_ALPHA;
mFormatType = GL_UNSIGNED_BYTE;
break;
case 3:
mFormatInternal = GL_RGB8;
mFormatPrimary = GL_RGB;
mFormatType = GL_UNSIGNED_BYTE;
break;
case 4:
mFormatInternal = GL_RGBA8;
mFormatPrimary = GL_RGBA;
mFormatType = GL_UNSIGNED_BYTE;
break;
default:
LL_DEBUGS("Openjpeg") << "Bad number of components for texture: " << (U32)getComponents() << LL_ENDL;
to_create = false;
break;
}
}
if(!to_create) //not create a gl texture
{
destroyGLTexture();
mCurrentDiscardLevel = discard_level;
mLastBindTime = sLastFrameTime;
return TRUE ;
}
mCategory = category ;
const U8* rawdata = imageraw->getData();
return createGLTexture(discard_level, rawdata, FALSE, usename);
}
BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_hasmips, S32 usename)
{
llassert(data_in);
if (discard_level < 0)
{
llassert(mCurrentDiscardLevel >= 0);
discard_level = mCurrentDiscardLevel;
}
discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel);
if (mTexName != 0 && discard_level == mCurrentDiscardLevel)
{
// This will only be true if the size has not changed
setImage(data_in, data_hasmips);
return TRUE;
}
U32 old_name = mTexName;
// S32 old_discard = mCurrentDiscardLevel;
if (usename != 0)
{
mTexName = usename;
}
else
{
LLImageGL::generateTextures(1, &mTexName);
stop_glerror();
{
// LLFastTimer t1(LLFastTimer::FTM_TEMP6);
llverify(gGL.getTexUnit(0)->bind(this));
glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_TEXTURE_MAX_LEVEL, mMaxDiscardLevel-discard_level);
}
}
if (!mTexName)
{
llerrs << "LLImageGL::createGLTexture failed to make texture" << llendl;
}
if (mUseMipMaps)
{
mAutoGenMips = gGLManager.mHasMipMapGeneration;
#if LL_DARWIN
// On the Mac GF2 and GF4MX drivers, auto mipmap generation doesn't work right with alpha-only textures.
if(gGLManager.mIsGF2or4MX && (mFormatInternal == GL_ALPHA8) && (mFormatPrimary == GL_ALPHA))
{
mAutoGenMips = FALSE;
}
#endif
}
mCurrentDiscardLevel = discard_level;
setImage(data_in, data_hasmips);
// Set texture options to our defaults.
gGL.getTexUnit(0)->setHasMipMaps(mHasMipMaps);
gGL.getTexUnit(0)->setTextureAddressMode(mAddressMode);
gGL.getTexUnit(0)->setTextureFilteringOption(mFilterOption);
// things will break if we don't unbind after creation
gGL.getTexUnit(0)->unbind(mBindTarget);
stop_glerror();
if (old_name != 0)
{
sGlobalTextureMemoryInBytes -= mTextureMemory;
if(gAuditTexture)
{
decTextureCounter() ;
}
LLImageGL::deleteTextures(1, &old_name);
stop_glerror();
}
mTextureMemory = getMipBytes(discard_level);
sGlobalTextureMemoryInBytes += mTextureMemory;
setActive() ;
if(gAuditTexture)
{
incTextureCounter() ;
}
// mark this as bound at this point, so we don't throw it out immediately
mLastBindTime = sLastFrameTime;
return TRUE;
}
#if 0
BOOL LLImageGL::setDiscardLevel(S32 discard_level)
{
llassert(discard_level >= 0);
llassert(mCurrentDiscardLevel >= 0);
discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel);
if (mDontDiscard)
{
// don't discard!
return FALSE;
}
else if (discard_level == mCurrentDiscardLevel)
{
// nothing to do
return FALSE;
}
else if (discard_level < mCurrentDiscardLevel)
{
// larger image
dump();
llerrs << "LLImageGL::setDiscardLevel() called with larger discard level; use createGLTexture()" << llendl;
return FALSE;
}
else if (mUseMipMaps)
{
LLPointer<LLImageRaw> imageraw = new LLImageRaw;
while(discard_level > mCurrentDiscardLevel)
{
if (readBackRaw(discard_level, imageraw, false))
{
break;
}
discard_level--;
}
if (discard_level == mCurrentDiscardLevel)
{
// unable to increase the discard level
return FALSE;
}
return createGLTexture(discard_level, imageraw);
}
else
{
#if !LL_LINUX && !LL_SOLARIS
// *FIX: This should not be skipped for the linux client.
llerrs << "LLImageGL::setDiscardLevel() called on image without mipmaps" << llendl;
#endif
return FALSE;
}
}
#endif
BOOL LLImageGL::readBackRaw(S32 discard_level, LLImageRaw* imageraw, bool compressed_ok)
{
// VWR-13505 : Merov : Allow gl texture read back so save texture works again (temporary)
//llassert_always(sAllowReadBackRaw) ;
//llerrs << "should not call this function!" << llendl ;
if (discard_level < 0)
{
discard_level = mCurrentDiscardLevel;
}
if (mTexName == 0 || discard_level < mCurrentDiscardLevel || discard_level > mMaxDiscardLevel )
{
return FALSE;
}
S32 gl_discard = discard_level - mCurrentDiscardLevel;
//explicitly unbind texture
gGL.getTexUnit(0)->unbind(mBindTarget);
llverify(gGL.getTexUnit(0)->bindManual(mBindTarget, mTexName));
//debug code, leave it there commented.
//checkTexSize() ;
LLGLint glwidth = 0;
glGetTexLevelParameteriv(mTarget, gl_discard, GL_TEXTURE_WIDTH, (GLint*)&glwidth);
if (glwidth == 0)
{
// No mip data smaller than current discard level
return FALSE;
}
S32 width = getWidth(discard_level);
S32 height = getHeight(discard_level);
S32 ncomponents = getComponents();
if (ncomponents == 0)
{
return FALSE;
}
if(width < glwidth)
{
llwarns << "texture size is smaller than it should be." << llendl ;
llwarns << "width: " << width << " glwidth: " << glwidth << " mWidth: " << mWidth <<
" mCurrentDiscardLevel: " << (S32)mCurrentDiscardLevel << " discard_level: " << (S32)discard_level << llendl ;
return FALSE ;
}
if (width <= 0 || width > 2048 || height <= 0 || height > 2048 || ncomponents < 1 || ncomponents > 4)
{
llerrs << llformat("LLImageGL::readBackRaw: bogus params: %d x %d x %d",width,height,ncomponents) << llendl;
}
LLGLint is_compressed = 0;
if (compressed_ok)
{
glGetTexLevelParameteriv(mTarget, is_compressed, GL_TEXTURE_COMPRESSED, (GLint*)&is_compressed);
}
//-----------------------------------------------------------------------------------------------
GLenum error ;
while((error = glGetError()) != GL_NO_ERROR)
{
llwarns << "GL Error happens before reading back texture. Error code: " << error << llendl ;
}
//-----------------------------------------------------------------------------------------------
if (is_compressed)
{
LLGLint glbytes;
glGetTexLevelParameteriv(mTarget, gl_discard, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, (GLint*)&glbytes);
if(!imageraw->allocateDataSize(width, height, ncomponents, glbytes))
{
llwarns << "Memory allocation failed for reading back texture. Size is: " << glbytes << llendl ;
llwarns << "width: " << width << "height: " << height << "components: " << ncomponents << llendl ;
return FALSE ;
}
glGetCompressedTexImageARB(mTarget, gl_discard, (GLvoid*)(imageraw->getData()));
//stop_glerror();
}
else
{
if(!imageraw->allocateDataSize(width, height, ncomponents))
{
llwarns << "Memory allocation failed for reading back texture." << llendl ;
llwarns << "width: " << width << "height: " << height << "components: " << ncomponents << llendl ;
return FALSE ;
}
glGetTexImage(GL_TEXTURE_2D, gl_discard, mFormatPrimary, mFormatType, (GLvoid*)(imageraw->getData()));
//stop_glerror();
}
//-----------------------------------------------------------------------------------------------
if((error = glGetError()) != GL_NO_ERROR)
{
llwarns << "GL Error happens after reading back texture. Error code: " << error << llendl ;
imageraw->deleteData() ;
while((error = glGetError()) != GL_NO_ERROR)
{
llwarns << "GL Error happens after reading back texture. Error code: " << error << llendl ;
}
return FALSE ;
}
//-----------------------------------------------------------------------------------------------
return TRUE ;
}
void LLImageGL::destroyGLTexture()
{
if (mTexName != 0)
{
stop_glerror();
for (int i = 0; i < gGLManager.mNumTextureUnits; i++)
{
if (sCurrentBoundTextures[i] == mTexName)
{
gGL.getTexUnit(i)->unbind(LLTexUnit::TT_TEXTURE);
stop_glerror();
}
}
if(mTextureMemory)
{
if(gAuditTexture)
{
decTextureCounter() ;
}
sGlobalTextureMemoryInBytes -= mTextureMemory;
mTextureMemory = 0;
}
LLImageGL::deleteTextures(1, &mTexName);
mTextureState = DELETED ;
mTexName = 0;
mCurrentDiscardLevel = -1 ; //invalidate mCurrentDiscardLevel.
mGLTextureCreated = FALSE ;
stop_glerror();
}
}
//----------------------------------------------------------------------------
void LLImageGL::setAddressMode(LLTexUnit::eTextureAddressMode mode)
{
if (mAddressMode != mode)
{
mTexOptionsDirty = true;
mAddressMode = mode;
}
if (gGL.getTexUnit(gGL.getCurrentTexUnitIndex())->getCurrTexture() == mTexName)
{
gGL.getTexUnit(gGL.getCurrentTexUnitIndex())->setTextureAddressMode(mode);
mTexOptionsDirty = false;
}
}
void LLImageGL::setFilteringOption(LLTexUnit::eTextureFilterOptions option)
{
if (mFilterOption != option)
{
mTexOptionsDirty = true;
mFilterOption = option;
}
if (gGL.getTexUnit(gGL.getCurrentTexUnitIndex())->getCurrTexture() == mTexName)
{
gGL.getTexUnit(gGL.getCurrentTexUnitIndex())->setTextureFilteringOption(option);
mTexOptionsDirty = false;
}
stop_glerror();
}
BOOL LLImageGL::getIsResident(BOOL test_now)
{
if (test_now)
{
if (mTexName != 0)
{
glAreTexturesResident(1, (GLuint*)&mTexName, &mIsResident);
}
else
{
mIsResident = FALSE;
}
}
return mIsResident;
}
S32 LLImageGL::getHeight(S32 discard_level) const
{
if (discard_level < 0)
{
discard_level = mCurrentDiscardLevel;
}
S32 height = mHeight >> discard_level;
if (height < 1) height = 1;
return height;
}
S32 LLImageGL::getWidth(S32 discard_level) const
{
if (discard_level < 0)
{
discard_level = mCurrentDiscardLevel;
}
S32 width = mWidth >> discard_level;
if (width < 1) width = 1;
return width;
}
S32 LLImageGL::getBytes(S32 discard_level) const
{
if (discard_level < 0)
{
discard_level = mCurrentDiscardLevel;
}
S32 w = mWidth>>discard_level;
S32 h = mHeight>>discard_level;
if (w == 0) w = 1;
if (h == 0) h = 1;
return dataFormatBytes(mFormatPrimary, w, h);
}
S32 LLImageGL::getMipBytes(S32 discard_level) const
{
if (discard_level < 0)
{
discard_level = mCurrentDiscardLevel;
}
S32 w = mWidth>>discard_level;
S32 h = mHeight>>discard_level;
S32 res = dataFormatBytes(mFormatPrimary, w, h);
if (mUseMipMaps)
{
while (w > 1 && h > 1)
{
w >>= 1; if (w == 0) w = 1;
h >>= 1; if (h == 0) h = 1;
res += dataFormatBytes(mFormatPrimary, w, h);
}
}
return res;
}
BOOL LLImageGL::isJustBound() const
{
return (BOOL)(sLastFrameTime - mLastBindTime < 0.5f);
}
BOOL LLImageGL::getBoundRecently() const
{
return (BOOL)(sLastFrameTime - mLastBindTime < MIN_TEXTURE_LIFETIME);
}
void LLImageGL::setTarget(const LLGLenum target, const LLTexUnit::eTextureType bind_target)
{
mTarget = target;
mBindTarget = bind_target;
}
void LLImageGL::analyzeAlpha(const void* data_in, S32 w, S32 h)
{
if (mFormatType != GL_UNSIGNED_BYTE)
{
llwarns << "Cannot analyze alpha for image with format type " << std::hex << mFormatType << std::dec << llendl;
}
U32 stride = 0;
switch (mFormatPrimary)
{
case GL_LUMINANCE:
case GL_ALPHA:
stride = 1;
break;
case GL_LUMINANCE_ALPHA:
stride = 2;
break;
case GL_RGB:
//no alpha
mIsMask = FALSE;
return;
case GL_RGBA:
stride = 4;
break;
case GL_BGRA_EXT:
stride = 4;
break;
default:
llwarns << "Cannot analyze alpha of image with primary format " << std::hex << mFormatPrimary << std::dec << llendl;
return;
}
U32 length = w * h;
const GLubyte* current = ((const GLubyte*) data_in)+stride-1;
S32 sample[16];
memset(sample, 0, sizeof(S32)*16);
for (U32 i = 0; i < length; i++)
{
++sample[*current/16];
current += stride;
}
U32 total = 0;
for (U32 i = 4; i < 11; i++)
{
total += sample[i];
}
if (total > length/16)
{
mIsMask = FALSE;
}
else
{
mIsMask = TRUE;
}
}
BOOL LLImageGL::isDeleted()
{
return mTextureState == DELETED ;
}
BOOL LLImageGL::isInactive()
{
return mTextureState == INACTIVE ;
}
BOOL LLImageGL::isDeletionCandidate()
{
return mTextureState == DELETION_CANDIDATE ;
}
void LLImageGL::setDeletionCandidate()
{
if(mTexName && (mTextureState == INACTIVE))
{
mTextureState = DELETION_CANDIDATE ;
}
}
void LLImageGL::forceActive()
{
mTextureState = ACTIVE ;
}
void LLImageGL::setActive()
{
if(mTextureState != NO_DELETE)
{
mTextureState = ACTIVE ;
}
}
//set the texture inactive
void LLImageGL::setInactive()
{
if(mTexName && (mTextureState == ACTIVE) && !getBoundRecently())
{
mTextureState = INACTIVE ;
}
}
//set the texture to stay in memory
void LLImageGL::setNoDelete()
{
mTextureState = NO_DELETE ;
}
//----------------------------------------------------------------------------
void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in)
{
delete [] mPickMask; //Always happens regardless.
mPickMask = NULL;
mPickMaskSize = 0;
if (!(mFormatType != GL_UNSIGNED_BYTE ||
mFormatPrimary != GL_RGBA)) //can only generate a pick mask for this sort of texture
{
U32 pick_width = width/2;
U32 pick_height = height/2;
mPickMaskSize = llmax(pick_width, (U32) 1) * llmax(pick_height, (U32) 1);
mPickMaskSize = mPickMaskSize/8 + 1;
mPickMask = new U8[mPickMaskSize];
memset(mPickMask, 0, sizeof(U8) * mPickMaskSize);
U32 pick_bit = 0;
for (S32 y = 0; y < height; y += 2)
{
for (S32 x = 0; x < width; x += 2)
{
U8 alpha = data_in[(y*width+x)*4+3];
if (alpha > 32)
{
U32 pick_idx = pick_bit/8;
U32 pick_offset = pick_bit%8;
if (pick_idx >= mPickMaskSize)
{
llerrs << "WTF?" << llendl;
}
mPickMask[pick_idx] |= 1 << pick_offset;
}
++pick_bit;
}
}
}
}
BOOL LLImageGL::getMask(const LLVector2 &tc)
{
BOOL res = TRUE;
if (mPickMask)
{
S32 width = getWidth()/2;
S32 height = getHeight()/2;
F32 u = tc.mV[0] - floorf(tc.mV[0]);
F32 v = tc.mV[1] - floorf(tc.mV[1]);
if (u < 0.f || u > 1.f ||
v < 0.f || v > 1.f)
{
llerrs << "WTF?" << llendl;
}
S32 x = (S32)(u * width);
S32 y = (S32)(v * height);
S32 idx = y*width+x;
S32 offset = idx%8;
if (idx / 8 < (S32)mPickMaskSize)
{
res = mPickMask[idx/8] & (1 << offset) ? TRUE : FALSE;
}
else
{
llwarns << "Index out of range for mPickMask !" << llendl;
return FALSE;
}
}
return res;
}
void LLImageGL::setCategory(S32 category)
{
if(!gAuditTexture)
{
return ;
}
if(mCategory != category)
{
if(mCategory > -1)
{
sTextureMemByCategory[mCategory] -= mTextureMemory ;
}
sTextureMemByCategory[category] += mTextureMemory ;
mCategory = category;
}
}
//for debug use
//val is a "power of two" number
S32 LLImageGL::getTextureCounterIndex(U32 val)
{
//index range is [0, MAX_TEXTURE_LOG_SIZE].
if(val < 2)
{
return 0 ;
}
else if(val >= (1 << MAX_TEXTURE_LOG_SIZE))
{
return MAX_TEXTURE_LOG_SIZE ;
}
else
{
S32 ret = 0 ;
while(val >>= 1)
{
++ret;
}
return ret ;
}
}
void LLImageGL::incTextureCounterStatic(U32 val, S32 ncomponents, S32 category)
{
sTextureLoadedCounter[getTextureCounterIndex(val)]++ ;
sTextureMemByCategory[category] += (S32)val * ncomponents ;
}
void LLImageGL::decTextureCounterStatic(U32 val, S32 ncomponents, S32 category)
{
sTextureLoadedCounter[getTextureCounterIndex(val)]-- ;
sTextureMemByCategory[category] += (S32)val * ncomponents ;
}
void LLImageGL::incTextureCounter()
{
sTextureLoadedCounter[getTextureCounterIndex(mTextureMemory / mComponents)]++ ;
sTextureMemByCategory[mCategory] += mTextureMemory ;
}
void LLImageGL::decTextureCounter()
{
sTextureLoadedCounter[getTextureCounterIndex(mTextureMemory / mComponents)]-- ;
sTextureMemByCategory[mCategory] -= mTextureMemory ;
}
void LLImageGL::setCurTexSizebar(S32 index, BOOL set_pick_size)
{
sCurTexSizeBar = index ;
if(set_pick_size)
{
sCurTexPickSize = (1 << index) ;
}
else
{
sCurTexPickSize = -1 ;
}
}
void LLImageGL::resetCurTexSizebar()
{
sCurTexSizeBar = -1 ;
sCurTexPickSize = -1 ;
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Manual Mip Generation
/*
S32 width = getWidth(discard_level);
S32 height = getHeight(discard_level);
S32 w = width, h = height;
S32 nummips = 1;
while (w > 4 && h > 4)
{
w >>= 1; h >>= 1;
nummips++;
}
stop_glerror();
w = width, h = height;
const U8* prev_mip_data = 0;
const U8* cur_mip_data = 0;
for (int m=0; m<nummips; m++)
{
if (m==0)
{
cur_mip_data = rawdata;
}
else
{
S32 bytes = w * h * mComponents;
U8* new_data = new U8[bytes];
LLImageBase::generateMip(prev_mip_data, new_data, w, h, mComponents);
cur_mip_data = new_data;
}
llassert(w > 0 && h > 0 && cur_mip_data);
U8 test = cur_mip_data[w*h*mComponents-1];
{
LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data);
stop_glerror();
}
if (prev_mip_data && prev_mip_data != rawdata)
{
delete prev_mip_data;
}
prev_mip_data = cur_mip_data;
w >>= 1;
h >>= 1;
}
if (prev_mip_data && prev_mip_data != rawdata)
{
delete prev_mip_data;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, nummips);
*/