diff options
Diffstat (limited to 'indra/llrender/llimagegl.cpp')
| -rw-r--r-- | indra/llrender/llimagegl.cpp | 5088 |
1 files changed, 2547 insertions, 2541 deletions
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp index 1609afb7ef..c4170ffacb 100644 --- a/indra/llrender/llimagegl.cpp +++ b/indra/llrender/llimagegl.cpp @@ -1,2541 +1,2547 @@ -/** - * @file llimagegl.cpp - * @brief Generic GL image handler - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - - -// TODO: create 2 classes for images w/ and w/o discard levels? - -#include "linden_common.h" - -#include "llimagegl.h" - -#include "llerror.h" -#include "llfasttimer.h" -#include "llimage.h" - -#include "llmath.h" -#include "llgl.h" -#include "llglslshader.h" -#include "llrender.h" -#include "llwindow.h" -#include "llframetimer.h" - -extern LL_COMMON_API bool on_main_thread(); - -#if !LL_IMAGEGL_THREAD_CHECK -#define checkActiveThread() -#endif - -//---------------------------------------------------------------------------- -const F32 MIN_TEXTURE_LIFETIME = 10.f; - -//which power of 2 is i? -//assumes i is a power of 2 > 0 -U32 wpo2(U32 i); - - -// texture memory accounting (for OS X) -static LLMutex sTexMemMutex; -static std::unordered_map<U32, U64> sTextureAllocs; -static U64 sTextureBytes = 0; - -// track a texture alloc on the currently bound texture. -// asserts that no currently tracked alloc exists -static void alloc_tex_image(U32 width, U32 height, U32 pixformat) -{ - U32 texUnit = gGL.getCurrentTexUnitIndex(); - U32 texName = gGL.getTexUnit(texUnit)->getCurrTexture(); - U64 size = LLImageGL::dataFormatBytes(pixformat, width, height); - - llassert(size >= 0); - - sTexMemMutex.lock(); - llassert(sTextureAllocs.find(texName) == sTextureAllocs.end()); - - sTextureAllocs[texName] = size; - sTextureBytes += size; - - sTexMemMutex.unlock(); -} - -// track texture free on given texName -static void free_tex_image(U32 texName) -{ - sTexMemMutex.lock(); - auto iter = sTextureAllocs.find(texName); - if (iter != sTextureAllocs.end()) - { - llassert(iter->second <= sTextureBytes); // sTextureBytes MUST NOT go below zero - - sTextureBytes -= iter->second; - - sTextureAllocs.erase(iter); - } - - sTexMemMutex.unlock(); -} - -// track texture free on given texNames -static void free_tex_images(U32 count, const U32* texNames) -{ - for (int i = 0; i < count; ++i) - { - free_tex_image(texNames[i]); - } -} - -// track texture free on currently bound texture -static void free_cur_tex_image() -{ - U32 texUnit = gGL.getCurrentTexUnitIndex(); - U32 texName = gGL.getTexUnit(texUnit)->getCurrTexture(); - free_tex_image(texName); -} - -// static -U64 LLImageGL::getTextureBytesAllocated() -{ - return sTextureBytes; -} - -//statics - -U32 LLImageGL::sUniqueCount = 0; -U32 LLImageGL::sBindCount = 0; -S32 LLImageGL::sCount = 0; - -BOOL LLImageGL::sGlobalUseAnisotropic = FALSE; -F32 LLImageGL::sLastFrameTime = 0.f; -BOOL LLImageGL::sAllowReadBackRaw = FALSE ; -LLImageGL* LLImageGL::sDefaultGLTexture = NULL ; -bool LLImageGL::sCompressTextures = false; -std::set<LLImageGL*> LLImageGL::sImageList; - - -bool LLImageGLThread::sEnabledTextures = false; -bool LLImageGLThread::sEnabledMedia = false; - -//**************************************************************************************************** -//The below for texture auditing use only -//**************************************************************************************************** -//----------------------- -//debug use -S32 LLImageGL::sCurTexSizeBar = -1 ; -S32 LLImageGL::sCurTexPickSize = -1 ; -S32 LLImageGL::sMaxCategories = 1 ; - -//optimization for when we don't need to calculate mIsMask -BOOL LLImageGL::sSkipAnalyzeAlpha; - -//------------------------ -//**************************************************************************************************** -//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(bool forced) const -{ - if ((forced || gDebugGL) && mTarget == GL_TEXTURE_2D) - { - { - //check viewport - GLint vp[4] ; - glGetIntegerv(GL_VIEWPORT, vp) ; - llcallstacks << "viewport: " << vp[0] << " : " << vp[1] << " : " << vp[2] << " : " << vp[3] << llcallstacksendl ; - } - - GLint texname; - glGetIntegerv(GL_TEXTURE_BINDING_2D, &texname); - BOOL error = FALSE; - if (texname != mTexName) - { - LL_INFOS() << "Bound: " << texname << " Should bind: " << mTexName << " Default: " << LLImageGL::sDefaultGLTexture->getTexName() << LL_ENDL; - - error = TRUE; - if (gDebugSession) - { - gFailLog << "Invalid texture bound!" << std::endl; - } - else - { - LL_ERRS() << "Invalid texture bound!" << LL_ENDL; - } - } - 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() ; - llcallstacks << "w: " << x << " h: " << y << llcallstacksendl ; - - if(!x || !y) - { - return ; - } - if(x != (mWidth >> mCurrentDiscardLevel) || y != (mHeight >> mCurrentDiscardLevel)) - { - error = TRUE; - if (gDebugSession) - { - gFailLog << "wrong texture size and discard level!" << - mWidth << " Height: " << mHeight << " Current Level: " << (S32)mCurrentDiscardLevel << std::endl; - } - else - { - LL_ERRS() << "wrong texture size and discard level: width: " << - mWidth << " Height: " << mHeight << " Current Level: " << (S32)mCurrentDiscardLevel << LL_ENDL ; - } - } - - if (error) - { - ll_fail("LLImageGL::checkTexSize failed."); - } - } -} -//end of debug functions -//************************************************************************************** - -//---------------------------------------------------------------------------- -BOOL is_little_endian() -{ - S32 a = 0x12345678; - U8 *c = (U8*)(&a); - - return (*c == 0x78) ; -} - -//static -void LLImageGL::initClass(LLWindow* window, S32 num_catagories, BOOL skip_analyze_alpha /* = false */, bool thread_texture_loads /* = false */, bool thread_media_updates /* = false */) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - sSkipAnalyzeAlpha = skip_analyze_alpha; - - if (thread_texture_loads || thread_media_updates) - { - LLImageGLThread::createInstance(window); - LLImageGLThread::sEnabledTextures = thread_texture_loads; - LLImageGLThread::sEnabledMedia = thread_media_updates; - } -} - -//static -void LLImageGL::cleanupClass() -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - LLImageGLThread::deleteSingleton(); -} - - -//static -S32 LLImageGL::dataFormatBits(S32 dataformat) -{ - switch (dataformat) - { - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 4; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: return 4; - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 8; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: return 8; - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 8; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return 8; - case GL_LUMINANCE: return 8; - case GL_ALPHA: return 8; - case GL_RED: return 8; - case GL_COLOR_INDEX: return 8; - case GL_LUMINANCE_ALPHA: return 16; - case GL_RGB: return 24; - case GL_SRGB: return 24; - case GL_RGB8: return 24; - case GL_RGBA: return 32; - case GL_SRGB_ALPHA: return 32; - case GL_BGRA: return 32; // Used for QuickTime media textures on the Mac - case GL_DEPTH_COMPONENT: return 24; - default: - LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL; - return 0; - } -} - -//static -S64 LLImageGL::dataFormatBytes(S32 dataformat, S32 width, S32 height) -{ - switch (dataformat) - { - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: - if (width < 4) width = 4; - if (height < 4) height = 4; - break; - default: - break; - } - S64 bytes (((S64)width * (S64)height * (S64)dataFormatBits(dataformat)+7)>>3); - S64 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_SRGB_ALPHA_S3TC_DXT1_EXT: return 3; - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 4; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: return 4; - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 4; - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return 4; - case GL_LUMINANCE: return 1; - case GL_ALPHA: return 1; - case GL_RED: return 1; - case GL_COLOR_INDEX: return 1; - case GL_LUMINANCE_ALPHA: return 2; - case GL_RGB: return 3; - case GL_SRGB: return 3; - case GL_RGBA: return 4; - case GL_SRGB_ALPHA: return 4; - case GL_BGRA: return 4; // Used for QuickTime media textures on the Mac - default: - LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL; - return 0; - } -} - -//---------------------------------------------------------------------------- - -// static -void LLImageGL::updateStats(F32 current_time) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - sLastFrameTime = current_time; -} - -//---------------------------------------------------------------------------- - -//static -void LLImageGL::destroyGL(BOOL save_state) -{ - for (S32 stage = 0; stage < gGLManager.mNumTextureImageUnits; 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()) - { - LL_ERRS() << "tex name is not 0." << LL_ENDL ; - } - 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 -void LLImageGL::dirtyTexOptions() -{ - for (std::set<LLImageGL*>::iterator iter = sImageList.begin(); - iter != sImageList.end(); iter++) - { - LLImageGL* glimage = *iter; - glimage->mTexOptionsDirty = true; - stop_glerror(); - } - -} -//---------------------------------------------------------------------------- - -//for server side use only. -//static -BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, BOOL usemipmaps) -{ - dest = new LLImageGL(usemipmaps); - return TRUE; -} - -//for server side use only. -BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, U32 width, U32 height, U8 components, BOOL usemipmaps) -{ - dest = new LLImageGL(width, height, components, usemipmaps); - return TRUE; -} - -//for server side use only. -BOOL LLImageGL::create(LLPointer<LLImageGL>& dest, const LLImageRaw* imageraw, BOOL usemipmaps) -{ - dest = new LLImageGL(imageraw, usemipmaps); - return TRUE; -} - -//---------------------------------------------------------------------------- - -LLImageGL::LLImageGL(BOOL usemipmaps) -: mSaveData(0), mExternalTexture(FALSE) -{ - init(usemipmaps); - setSize(0, 0, 0); - sImageList.insert(this); - sCount++; -} - -LLImageGL::LLImageGL(U32 width, U32 height, U8 components, BOOL usemipmaps) -: mSaveData(0), mExternalTexture(FALSE) -{ - llassert( components <= 4 ); - init(usemipmaps); - setSize(width, height, components); - sImageList.insert(this); - sCount++; -} - -LLImageGL::LLImageGL(const LLImageRaw* imageraw, BOOL usemipmaps) -: mSaveData(0), mExternalTexture(FALSE) -{ - init(usemipmaps); - setSize(0, 0, 0); - sImageList.insert(this); - sCount++; - - createGLTexture(0, imageraw); -} - -LLImageGL::LLImageGL( - LLGLuint texName, - U32 components, - LLGLenum target, - LLGLint formatInternal, - LLGLenum formatPrimary, - LLGLenum formatType, - LLTexUnit::eTextureAddressMode addressMode) -{ - init(false); - mTexName = texName; - mTarget = target; - mComponents = components; - mAddressMode = addressMode; - mFormatType = formatType; - mFormatInternal = formatInternal; - mFormatPrimary = formatPrimary; -} - - -LLImageGL::~LLImageGL() -{ - if (!mExternalTexture && gGLManager.mInited) - { - LLImageGL::cleanup(); - sImageList.erase(this); - freePickMask(); - sCount--; - } -} - -void LLImageGL::init(BOOL usemipmaps) -{ -#if LL_IMAGEGL_THREAD_CHECK - mActiveThread = LLThread::currentID(); -#endif - - // keep these members in the same order as declared in llimagehl.h - // so that it is obvious by visual inspection if we forgot to - // init a field. - - mTextureMemory = S64Bytes(0); - mLastBindTime = 0.f; - - mPickMask = NULL; - mPickMaskWidth = 0; - mPickMaskHeight = 0; - mUseMipMaps = usemipmaps; - mHasExplicitFormat = FALSE; - - mIsMask = FALSE; - mNeedsAlphaAndPickMask = TRUE ; - mAlphaStride = 0 ; - mAlphaOffset = 0 ; - - mGLTextureCreated = FALSE ; - mTexName = 0; - mWidth = 0; - mHeight = 0; - mCurrentDiscardLevel = -1; - - mDiscardLevelInAtlas = -1 ; - mTexelsInAtlas = 0 ; - mTexelsInGLTexture = 0 ; - - mAllowCompression = true; - - mTarget = GL_TEXTURE_2D; - mBindTarget = LLTexUnit::TT_TEXTURE; - mHasMipMaps = false; - mMipLevels = -1; - - mIsResident = 0; - - mComponents = 0; - mMaxDiscardLevel = MAX_DISCARD_LEVEL; - - mTexOptionsDirty = true; - mAddressMode = LLTexUnit::TAM_WRAP; - mFilterOption = LLTexUnit::TFO_ANISOTROPIC; - - mFormatInternal = -1; - mFormatPrimary = (LLGLenum) 0; - mFormatType = GL_UNSIGNED_BYTE; - mFormatSwapBytes = FALSE; - -#ifdef DEBUG_MISS - mMissed = FALSE; -#endif - - mCategory = -1; - - // Sometimes we have to post work for the main thread. - mMainQueue = LL::WorkQueue::getInstance("mainloop"); -} - -void LLImageGL::cleanup() -{ - if (!gGLManager.mIsDisabled) - { - destroyGLTexture(); - } - freePickMask(); - - 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); -} - -bool LLImageGL::setSize(S32 width, S32 height, S32 ncomponents, S32 discard_level) -{ - if (width != mWidth || height != mHeight || ncomponents != mComponents) - { - // Check if dimensions are a power of two! - if (!checkSize(width, height)) - { - LL_WARNS() << llformat("Texture has non power of two dimension: %dx%d",width,height) << LL_ENDL; - return false; - } - - // pickmask validity depends on old image size, delete it - freePickMask(); - - 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; - } - - if(discard_level > 0) - { - mMaxDiscardLevel = llmax(mMaxDiscardLevel, (S8)discard_level); - } - } - else - { - mMaxDiscardLevel = MAX_DISCARD_LEVEL; - } - } - - return true; -} - -//---------------------------------------------------------------------------- - -// virtual -void LLImageGL::dump() -{ - LL_INFOS() << "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 - << LL_ENDL; - - LL_INFOS() << " mTextureMemory " << mTextureMemory - << " mTexNames " << mTexName - << " mIsResident " << S32(mIsResident) - << LL_ENDL; -} - -//---------------------------------------------------------------------------- -void LLImageGL::forceUpdateBindStats(void) const -{ - mLastBindTime = sLastFrameTime; -} - -BOOL LLImageGL::updateBindStats() 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++; - mLastBindTime = sLastFrameTime; - - return TRUE ; - } - } - return FALSE ; -} - -F32 LLImageGL::getTimePassedSinceLastBound() -{ - return sLastFrameTime - mLastBindTime ; -} - -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; - - calcAlphaChannelOffsetAndStride() ; -} - -//---------------------------------------------------------------------------- - -void LLImageGL::setImage(const LLImageRaw* imageraw) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - llassert((imageraw->getWidth() == getWidth(mCurrentDiscardLevel)) && - (imageraw->getHeight() == getHeight(mCurrentDiscardLevel)) && - (imageraw->getComponents() == getComponents())); - const U8* rawdata = imageraw->getData(); - setImage(rawdata, FALSE); -} - -BOOL LLImageGL::setImage(const U8* data_in, BOOL data_hasmips /* = FALSE */, S32 usename /* = 0 */) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - - const bool is_compressed = isCompressed(); - - if (mUseMipMaps) - { - //set has mip maps to true before binding image so tex parameters get set properly - gGL.getTexUnit(0)->unbind(mBindTarget); - - mHasMipMaps = true; - mTexOptionsDirty = true; - setFilteringOption(LLTexUnit::TFO_ANISOTROPIC); - } - else - { - mHasMipMaps = false; - } - - gGL.getTexUnit(0)->bind(this, false, false, usename); - - if (data_in == nullptr) - { - S32 w = getWidth(); - S32 h = getHeight(); - LLImageGL::setManualImage(mTarget, 0, mFormatInternal, w, h, - mFormatPrimary, mFormatType, (GLvoid*)data_in, mAllowCompression); - } - else if (mUseMipMaps) - { - 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; - - mMipLevels = llmax(mMipLevels, gl_level); - - if (d > mCurrentDiscardLevel) - { - data_in -= dataFormatBytes(mFormatPrimary, w, h); // see above comment - } - if (is_compressed) - { - S32 tex_size = dataFormatBytes(mFormatPrimary, w, h); - glCompressedTexImage2D(mTarget, gl_level, 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, gl_level, mFormatInternal, w, h, mFormatPrimary, GL_UNSIGNED_BYTE, (GLvoid*)data_in, mAllowCompression); - 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) - { - stop_glerror(); - { - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 1); - stop_glerror(); - } - - S32 w = getWidth(mCurrentDiscardLevel); - S32 h = getHeight(mCurrentDiscardLevel); - - mMipLevels = wpo2(llmax(w, h)); - - //use legacy mipmap generation mode (note: making this condional can cause rendering issues) - // -- but making it not conditional triggers deprecation warnings when core profile is enabled - // (some rendering issues while core profile is enabled are acceptable at this point in time) - if (!LLRender::sGLCoreProfile) - { - glTexParameteri(mTarget, GL_GENERATE_MIPMAP, GL_TRUE); - } - - LLImageGL::setManualImage(mTarget, 0, mFormatInternal, - w, h, - mFormatPrimary, mFormatType, - data_in, mAllowCompression); - analyzeAlpha(data_in, w, h); - stop_glerror(); - - updatePickMask(w, h, data_in); - - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 0); - stop_glerror(); - } - - if (LLRender::sGLCoreProfile) - { - LL_PROFILE_GPU_ZONE("generate mip map"); - glGenerateMipmap(mTarget); - } - stop_glerror(); - } - } - else - { - // Create mips by hand - // ~4x faster than gluBuild2DMipmaps - S32 width = getWidth(mCurrentDiscardLevel); - S32 height = getHeight(mCurrentDiscardLevel); - S32 nummips = mMaxDiscardLevel - mCurrentDiscardLevel + 1; - S32 w = width, h = height; - - - const U8* new_data = 0; - (void)new_data; - - const U8* prev_mip_data = 0; - const U8* cur_mip_data = 0; -#ifdef SHOW_ASSERT - S32 cur_mip_size = 0; -#endif - mMipLevels = nummips; - - for (int m=0; m<nummips; m++) - { - if (m==0) - { - cur_mip_data = data_in; -#ifdef SHOW_ASSERT - cur_mip_size = width * height * mComponents; -#endif - } - else - { - S32 bytes = w * h * mComponents; -#ifdef SHOW_ASSERT - llassert(prev_mip_data); - llassert(cur_mip_size == bytes*4); -#endif - U8* new_data = new(std::nothrow) U8[bytes]; - if (!new_data) - { - stop_glerror(); - - if (prev_mip_data) - { - if (prev_mip_data != cur_mip_data) - delete[] prev_mip_data; - prev_mip_data = nullptr; - } - if (cur_mip_data) - { - delete[] cur_mip_data; - cur_mip_data = nullptr; - } - - mGLTextureCreated = false; - return FALSE; - } - else - { - -#ifdef SHOW_ASSERT - llassert(prev_mip_data); - llassert(cur_mip_size == bytes * 4); -#endif - - LLImageBase::generateMip(prev_mip_data, new_data, w, h, mComponents); - cur_mip_data = new_data; -#ifdef SHOW_ASSERT - cur_mip_size = bytes; -#endif - } - - } - llassert(w > 0 && h > 0 && cur_mip_data); - (void)cur_mip_data; - { - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 1); - stop_glerror(); - } - - LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data, mAllowCompression); - 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; - w >>= 1; - h >>= 1; - } - if (prev_mip_data && prev_mip_data != data_in) - { - delete[] prev_mip_data; - prev_mip_data = NULL; - } - } - } - else - { - LL_ERRS() << "Compressed Image has mipmaps but data does not (can not auto generate compressed mips)" << LL_ENDL; - } - } - else - { - mMipLevels = 0; - S32 w = getWidth(); - S32 h = getHeight(); - if (is_compressed) - { - S32 tex_size = dataFormatBytes(mFormatPrimary, w, h); - glCompressedTexImage2D(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, mAllowCompression); - analyzeAlpha(data_in, w, h); - - updatePickMask(w, h, data_in); - - stop_glerror(); - - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 0); - stop_glerror(); - } - - } - } - stop_glerror(); - mGLTextureCreated = true; - return TRUE; -} - -BOOL LLImageGL::preAddToAtlas(S32 discard_level, const LLImageRaw* raw_image) -{ - //not compatible with core GL profile - llassert(!LLRender::sGLCoreProfile); - - if (gGLManager.mIsDisabled) - { - LL_WARNS() << "Trying to create a texture while GL is disabled!" << LL_ENDL; - return FALSE; - } - llassert(gGLManager.mInited); - stop_glerror(); - - if (discard_level < 0) - { - llassert(mCurrentDiscardLevel >= 0); - discard_level = mCurrentDiscardLevel; - } - - // Actual image width/height = raw image width/height * 2^discard_level - S32 w = raw_image->getWidth() << discard_level; - S32 h = raw_image->getHeight() << discard_level; - - // setSize may call destroyGLTexture if the size does not match - if (!setSize(w, h, raw_image->getComponents(), discard_level)) - { - LL_WARNS() << "Trying to create a texture with incorrect dimensions!" << LL_ENDL; - return FALSE; - } - - 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_ERRS() << "Bad number of components for texture: " << (U32) getComponents() << LL_ENDL; - } - } - - mCurrentDiscardLevel = discard_level; - mDiscardLevelInAtlas = discard_level; - mTexelsInAtlas = raw_image->getWidth() * raw_image->getHeight() ; - mLastBindTime = sLastFrameTime; - mGLTextureCreated = false ; - - glPixelStorei(GL_UNPACK_ROW_LENGTH, raw_image->getWidth()); - stop_glerror(); - - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 1); - stop_glerror(); - } - - return TRUE ; -} - -void LLImageGL::postAddToAtlas() -{ - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 0); - stop_glerror(); - } - - glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); - gGL.getTexUnit(0)->setTextureFilteringOption(mFilterOption); - stop_glerror(); -} - -U32 type_width_from_pixtype(U32 pixtype) -{ - U32 type_width = 0; - switch (pixtype) - { - case GL_UNSIGNED_BYTE: - case GL_BYTE: - case GL_UNSIGNED_INT_8_8_8_8_REV: - type_width = 1; - break; - case GL_UNSIGNED_SHORT: - case GL_SHORT: - type_width = 2; - break; - case GL_UNSIGNED_INT: - case GL_INT: - case GL_FLOAT: - type_width = 4; - break; - default: - LL_ERRS() << "Unknown type: " << pixtype << LL_ENDL; - } - return type_width; -} - -bool should_stagger_image_set(bool compressed) -{ -#if LL_DARWIN - return false; -#else - // glTexSubImage2D doesn't work with compressed textures on select tested Nvidia GPUs on Windows 10 -Cosmic,2023-03-08 - // Setting media textures off-thread seems faster when not using sub_image_lines (Nvidia/Windows 10) -Cosmic,2023-03-31 - return !compressed && on_main_thread(); -#endif -} - -// Equivalent to calling glSetSubImage2D(target, miplevel, x_offset, y_offset, width, height, pixformat, pixtype, src), assuming the total width of the image is data_width -// However, instead there are multiple calls to glSetSubImage2D on smaller slices of the image -void sub_image_lines(U32 target, S32 miplevel, S32 x_offset, S32 y_offset, S32 width, S32 height, U32 pixformat, U32 pixtype, const U8* src, S32 data_width) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - - U32 components = LLImageGL::dataFormatComponents(pixformat); - U32 type_width = type_width_from_pixtype(pixtype); - - const U32 line_width = data_width * components * type_width; - const U32 y_offset_end = y_offset + height; - for (U32 y_pos = y_offset; y_pos < y_offset_end; ++y_pos) - { - glTexSubImage2D(target, miplevel, x_offset, y_pos, width, 1, pixformat, pixtype, src); - src += line_width; - } -} - -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 /* = FALSE */, LLGLuint use_name) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - if (!width || !height) - { - return TRUE; - } - LLGLuint tex_name = use_name != 0 ? use_name : mTexName; - if (0 == tex_name) - { - // *TODO: Re-enable warning? Ran into thread locking issues? DK 2011-02-18 - //LL_WARNS() << "Setting subimage on image without GL texture" << LL_ENDL; - return FALSE; - } - if (datap == NULL) - { - // *TODO: Re-enable warning? Ran into thread locking issues? DK 2011-02-18 - //LL_WARNS() << "Setting subimage on image with NULL datap" << LL_ENDL; - 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, tex_name); - } - else - { - if (mUseMipMaps) - { - dump(); - LL_ERRS() << "setSubImage called with mipmapped image (not supported)" << LL_ENDL; - } - llassert_always(mCurrentDiscardLevel == 0); - llassert_always(x_pos >= 0 && y_pos >= 0); - - if (((x_pos + width) > getWidth()) || - (y_pos + height) > getHeight()) - { - dump(); - LL_ERRS() << "Subimage not wholly in target image!" - << " x_pos " << x_pos - << " y_pos " << y_pos - << " width " << width - << " height " << height - << " getWidth() " << getWidth() - << " getHeight() " << getHeight() - << LL_ENDL; - } - - if ((x_pos + width) > data_width || - (y_pos + height) > data_height) - { - dump(); - LL_ERRS() << "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 - << LL_ENDL; - } - - - glPixelStorei(GL_UNPACK_ROW_LENGTH, data_width); - stop_glerror(); - - if(mFormatSwapBytes) - { - glPixelStorei(GL_UNPACK_SWAP_BYTES, 1); - stop_glerror(); - } - - const U8* sub_datap = datap + (y_pos * data_width + x_pos) * getComponents(); - // Update the GL texture - BOOL res = gGL.getTexUnit(0)->bindManual(mBindTarget, tex_name); - if (!res) LL_ERRS() << "LLImageGL::setSubImage(): bindTexture failed" << LL_ENDL; - stop_glerror(); - - const bool use_sub_image = should_stagger_image_set(isCompressed()); - if (!use_sub_image) - { - // *TODO: Why does this work here, in setSubImage, but not in - // setManualImage? Maybe because it only gets called with the - // dimensions of the full image? Or because the image is never - // compressed? - glTexSubImage2D(mTarget, 0, x_pos, y_pos, width, height, mFormatPrimary, mFormatType, sub_datap); - } - else - { - sub_image_lines(mTarget, 0, x_pos, y_pos, width, height, mFormatPrimary, mFormatType, sub_datap, data_width); - } - 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 /* = FALSE */, LLGLuint use_name) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - return setSubImage(imageraw->getData(), imageraw->getWidth(), imageraw->getHeight(), x_pos, y_pos, width, height, force_fast_update, use_name); -} - -// 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)) - { - 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) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - static constexpr U32 pool_size = 1024; - static thread_local U32 name_pool[pool_size]; // pool of texture names - static thread_local U32 name_count = 0; // number of available names in the pool - - if (name_count == 0) - { - LL_PROFILE_ZONE_NAMED("iglgt - reup pool"); - // pool is emtpy, refill it - glGenTextures(pool_size, name_pool); - name_count = pool_size; - } - - if (numTextures <= name_count) - { - //copy teture names off the end of the pool - memcpy(textures, name_pool + name_count - numTextures, sizeof(U32) * numTextures); - name_count -= numTextures; - } - else - { - LL_PROFILE_ZONE_NAMED("iglgt - pool miss"); - glGenTextures(numTextures, textures); - } -} - -// static -void LLImageGL::deleteTextures(S32 numTextures, const U32 *textures) -{ - if (gGLManager.mInited) - { - free_tex_images(numTextures, textures); - glDeleteTextures(numTextures, textures); - } -} - -// static -void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void* pixels, bool allow_compression) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - bool use_scratch = false; - U32* scratch = NULL; - if (LLRender::sGLCoreProfile) - { - if (pixformat == GL_ALPHA && pixtype == GL_UNSIGNED_BYTE) - { //GL_ALPHA is deprecated, convert to RGBA - if (pixels != nullptr) - { - use_scratch = true; - scratch = new(std::nothrow) U32[width * height]; - if (!scratch) - { - LLError::LLUserWarningMsg::showOutOfMemory(); - LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32)) - << " bytes for a manual image W" << width << " H" << height << LL_ENDL; - } - - U32 pixel_count = (U32)(width * height); - for (U32 i = 0; i < pixel_count; i++) - { - U8* pix = (U8*)&scratch[i]; - pix[0] = pix[1] = pix[2] = 0; - pix[3] = ((U8*)pixels)[i]; - } - } - - pixformat = GL_RGBA; - intformat = GL_RGBA8; - } - - if (pixformat == GL_LUMINANCE_ALPHA && pixtype == GL_UNSIGNED_BYTE) - { //GL_LUMINANCE_ALPHA is deprecated, convert to RGBA - if (pixels != nullptr) - { - use_scratch = true; - scratch = new(std::nothrow) U32[width * height]; - if (!scratch) - { - LLError::LLUserWarningMsg::showOutOfMemory(); - LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32)) - << " bytes for a manual image W" << width << " H" << height << LL_ENDL; - } - - U32 pixel_count = (U32)(width * height); - for (U32 i = 0; i < pixel_count; i++) - { - U8 lum = ((U8*)pixels)[i * 2 + 0]; - U8 alpha = ((U8*)pixels)[i * 2 + 1]; - - U8* pix = (U8*)&scratch[i]; - pix[0] = pix[1] = pix[2] = lum; - pix[3] = alpha; - } - } - - pixformat = GL_RGBA; - intformat = GL_RGBA8; - } - - if (pixformat == GL_LUMINANCE && pixtype == GL_UNSIGNED_BYTE) - { //GL_LUMINANCE_ALPHA is deprecated, convert to RGB - if (pixels != nullptr) - { - use_scratch = true; - scratch = new(std::nothrow) U32[width * height]; - if (!scratch) - { - LLError::LLUserWarningMsg::showOutOfMemory(); - LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32)) - << " bytes for a manual image W" << width << " H" << height << LL_ENDL; - } - - U32 pixel_count = (U32)(width * height); - for (U32 i = 0; i < pixel_count; i++) - { - U8 lum = ((U8*)pixels)[i]; - - U8* pix = (U8*)&scratch[i]; - pix[0] = pix[1] = pix[2] = lum; - pix[3] = 255; - } - } - pixformat = GL_RGBA; - intformat = GL_RGB8; - } - } - - const bool compress = LLImageGL::sCompressTextures && allow_compression; - if (compress) - { - switch (intformat) - { - case GL_RGB: - case GL_RGB8: - intformat = GL_COMPRESSED_RGB; - break; - case GL_SRGB: - case GL_SRGB8: - intformat = GL_COMPRESSED_SRGB; - break; - case GL_RGBA: - case GL_RGBA8: - intformat = GL_COMPRESSED_RGBA; - break; - case GL_SRGB_ALPHA: - case GL_SRGB8_ALPHA8: - intformat = GL_COMPRESSED_SRGB_ALPHA; - break; - case GL_LUMINANCE: - case GL_LUMINANCE8: - intformat = GL_COMPRESSED_LUMINANCE; - break; - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE8_ALPHA8: - intformat = GL_COMPRESSED_LUMINANCE_ALPHA; - break; - case GL_ALPHA: - case GL_ALPHA8: - intformat = GL_COMPRESSED_ALPHA; - break; - case GL_RED: - case GL_R8: - intformat = GL_COMPRESSED_RED; - break; - default: - LL_WARNS() << "Could not compress format: " << std::hex << intformat << LL_ENDL; - break; - } - } - - stop_glerror(); - { - LL_PROFILE_ZONE_NAMED("glTexImage2D"); - LL_PROFILE_ZONE_NUM(width); - LL_PROFILE_ZONE_NUM(height); - - free_cur_tex_image(); - const bool use_sub_image = should_stagger_image_set(compress); - if (!use_sub_image) - { - LL_PROFILE_ZONE_NAMED("glTexImage2D alloc + copy"); - glTexImage2D(target, miplevel, intformat, width, height, 0, pixformat, pixtype, use_scratch ? scratch : pixels); - } - else - { - // break up calls to a manageable size for the GL command buffer - { - LL_PROFILE_ZONE_NAMED("glTexImage2D alloc"); - glTexImage2D(target, miplevel, intformat, width, height, 0, pixformat, pixtype, nullptr); - } - - U8* src = (U8*)(use_scratch ? scratch : pixels); - if (src) - { - LL_PROFILE_ZONE_NAMED("glTexImage2D copy"); - sub_image_lines(target, miplevel, 0, 0, width, height, pixformat, pixtype, src, width); - } - } - alloc_tex_image(width, height, pixformat); - } - stop_glerror(); - - if (use_scratch) - { - delete[] scratch; - } -} - -//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() -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - checkActiveThread(); - - if (gGLManager.mIsDisabled) - { - LL_WARNS() << "Trying to create a texture while GL is disabled!" << LL_ENDL; - return FALSE; - } - - mGLTextureCreated = false ; //do not save this texture when gl is destroyed. - - llassert(gGLManager.mInited); - stop_glerror(); - - if(mTexName) - { - LLImageGL::deleteTextures(1, (reinterpret_cast<GLuint*>(&mTexName))) ; - mTexName = 0; - } - - - LLImageGL::generateTextures(1, &mTexName); - stop_glerror(); - if (!mTexName) - { - LL_WARNS() << "LLImageGL::createGLTexture failed to make an empty texture" << LL_ENDL; - return FALSE; - } - - return TRUE ; -} - -BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename/*=0*/, BOOL to_create, S32 category, bool defer_copy, LLGLuint* tex_name) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - checkActiveThread(); - - if (gGLManager.mIsDisabled) - { - LL_WARNS() << "Trying to create a texture while GL is disabled!" << LL_ENDL; - return FALSE; - } - - llassert(gGLManager.mInited); - stop_glerror(); - - if (!imageraw || imageraw->isBufferInvalid()) - { - LL_WARNS() << "Trying to create a texture from invalid image data" << LL_ENDL; - mGLTextureCreated = false; - return FALSE; - } - - if (discard_level < 0) - { - llassert(mCurrentDiscardLevel >= 0); - discard_level = mCurrentDiscardLevel; - } - - // 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 - if (!setSize(w, h, imageraw->getComponents(), discard_level)) - { - LL_WARNS() << "Trying to create a texture with incorrect dimensions!" << LL_ENDL; - mGLTextureCreated = false; - return FALSE; - } - - if (mHasExplicitFormat && - ((mFormatPrimary == GL_RGBA && mComponents < 4) || - (mFormatPrimary == GL_RGB && mComponents < 3))) - - { - LL_WARNS() << "Incorrect format: " << std::hex << mFormatPrimary << " components: " << (U32)mComponents << LL_ENDL; - mHasExplicitFormat = FALSE; - } - - 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_ERRS() << "Bad number of components for texture: " << (U32)getComponents() << LL_ENDL; - } - - calcAlphaChannelOffsetAndStride() ; - } - - if(!to_create) //not create a gl texture - { - destroyGLTexture(); - mCurrentDiscardLevel = discard_level; - mLastBindTime = sLastFrameTime; - mGLTextureCreated = false; - return TRUE ; - } - - setCategory(category); - const U8* rawdata = imageraw->getData(); - return createGLTexture(discard_level, rawdata, FALSE, usename, defer_copy, tex_name); -} - -BOOL LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, BOOL data_hasmips, S32 usename, bool defer_copy, LLGLuint* tex_name) -// Call with void data, vmem is allocated but unitialized -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - LL_PROFILE_GPU_ZONE("createGLTexture"); - checkActiveThread(); - - bool main_thread = on_main_thread(); - - if (defer_copy) - { - data_in = nullptr; - } - else - { - llassert(data_in); - } - - stop_glerror(); - - if (discard_level < 0) - { - llassert(mCurrentDiscardLevel >= 0); - discard_level = mCurrentDiscardLevel; - } - discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel); - - if (main_thread // <--- always force creation of new_texname when not on main thread ... - && !defer_copy // <--- ... or defer copy is set - && mTexName != 0 && discard_level == mCurrentDiscardLevel) - { - LL_PROFILE_ZONE_NAMED("cglt - early setImage"); - // This will only be true if the size has not changed - if (tex_name != nullptr) - { - *tex_name = mTexName; - } - return setImage(data_in, data_hasmips); - } - - GLuint old_texname = mTexName; - GLuint new_texname = 0; - if (usename != 0) - { - llassert(main_thread); - new_texname = usename; - } - else - { - LLImageGL::generateTextures(1, &new_texname); - { - gGL.getTexUnit(0)->bind(this, false, false, new_texname); - glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_TEXTURE_BASE_LEVEL, 0); - glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_TEXTURE_MAX_LEVEL, mMaxDiscardLevel - discard_level); - } - } - - if (tex_name != nullptr) - { - *tex_name = new_texname; - } - - if (mUseMipMaps) - { - mAutoGenMips = true; - } - - mCurrentDiscardLevel = discard_level; - - { - LL_PROFILE_ZONE_NAMED("cglt - late setImage"); - if (!setImage(data_in, data_hasmips, new_texname)) - { - return FALSE; - } - } - - // 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); - - //if we're on the image loading thread, be sure to delete old_texname and update mTexName on the main thread - if (!defer_copy) - { - if (!main_thread) - { - syncToMainThread(new_texname); - } - else - { - //not on background thread, immediately set mTexName - if (old_texname != 0 && old_texname != new_texname) - { - LLImageGL::deleteTextures(1, &old_texname); - } - mTexName = new_texname; - } - } - - - mTextureMemory = (S64Bytes)getMipBytes(mCurrentDiscardLevel); - mTexelsInGLTexture = getWidth() * getHeight(); - - // mark this as bound at this point, so we don't throw it out immediately - mLastBindTime = sLastFrameTime; - - checkActiveThread(); - return TRUE; -} - -void LLImageGL::syncToMainThread(LLGLuint new_tex_name) -{ - LL_PROFILE_ZONE_SCOPED; - llassert(!on_main_thread()); - - { - LL_PROFILE_ZONE_NAMED("cglt - sync"); - if (gGLManager.mIsNVIDIA) - { - // wait for texture upload to finish before notifying main thread - // upload is complete - auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); - glFlush(); - glClientWaitSync(sync, 0, GL_TIMEOUT_IGNORED); - glDeleteSync(sync); - } - else - { - // post a sync to the main thread (will execute before tex name swap lambda below) - // glFlush calls here are partly superstitious and partly backed by observation - // on AMD hardware - glFlush(); - auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); - glFlush(); - LL::WorkQueue::postMaybe( - mMainQueue, - [=]() - { - LL_PROFILE_ZONE_NAMED("cglt - wait sync"); - { - LL_PROFILE_ZONE_NAMED("glWaitSync"); - glWaitSync(sync, 0, GL_TIMEOUT_IGNORED); - } - { - LL_PROFILE_ZONE_NAMED("glDeleteSync"); - glDeleteSync(sync); - } - }); - } - } - - ref(); - LL::WorkQueue::postMaybe( - mMainQueue, - [=]() - { - LL_PROFILE_ZONE_NAMED("cglt - delete callback"); - syncTexName(new_tex_name); - unref(); - }); - - LL_PROFILER_GPU_COLLECT; -} - - -void LLImageGL::syncTexName(LLGLuint texname) -{ - if (texname != 0) - { - if (mTexName != 0 && mTexName != texname) - { - LLImageGL::deleteTextures(1, &mTexName); - } - mTexName = texname; - } -} - -BOOL LLImageGL::readBackRaw(S32 discard_level, LLImageRaw* imageraw, bool compressed_ok) const -{ - llassert_always(sAllowReadBackRaw) ; - //LL_ERRS() << "should not call this function!" << LL_ENDL ; - - 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) - { - LL_WARNS() << "texture size is smaller than it should be." << LL_ENDL ; - LL_WARNS() << "width: " << width << " glwidth: " << glwidth << " mWidth: " << mWidth << - " mCurrentDiscardLevel: " << (S32)mCurrentDiscardLevel << " discard_level: " << (S32)discard_level << LL_ENDL ; - return FALSE ; - } - - if (width <= 0 || width > 2048 || height <= 0 || height > 2048 || ncomponents < 1 || ncomponents > 4) - { - LL_ERRS() << llformat("LLImageGL::readBackRaw: bogus params: %d x %d x %d",width,height,ncomponents) << LL_ENDL; - } - - 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) - { - LL_WARNS() << "GL Error happens before reading back texture. Error code: " << error << LL_ENDL ; - } - //----------------------------------------------------------------------------------------------- - - if (is_compressed) - { - LLGLint glbytes; - glGetTexLevelParameteriv(mTarget, gl_discard, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, (GLint*)&glbytes); - if(!imageraw->allocateDataSize(width, height, ncomponents, glbytes)) - { - LL_WARNS() << "Memory allocation failed for reading back texture. Size is: " << glbytes << LL_ENDL ; - LL_WARNS() << "width: " << width << "height: " << height << "components: " << ncomponents << LL_ENDL ; - return FALSE ; - } - - glGetCompressedTexImage(mTarget, gl_discard, (GLvoid*)(imageraw->getData())); - //stop_glerror(); - } - else - { - if(!imageraw->allocateDataSize(width, height, ncomponents)) - { - LL_WARNS() << "Memory allocation failed for reading back texture." << LL_ENDL ; - LL_WARNS() << "width: " << width << "height: " << height << "components: " << ncomponents << LL_ENDL ; - return FALSE ; - } - - glGetTexImage(GL_TEXTURE_2D, gl_discard, mFormatPrimary, mFormatType, (GLvoid*)(imageraw->getData())); - //stop_glerror(); - } - - //----------------------------------------------------------------------------------------------- - if((error = glGetError()) != GL_NO_ERROR) - { - LL_WARNS() << "GL Error happens after reading back texture. Error code: " << error << LL_ENDL ; - imageraw->deleteData() ; - - while((error = glGetError()) != GL_NO_ERROR) - { - LL_WARNS() << "GL Error happens after reading back texture. Error code: " << error << LL_ENDL ; - } - - return FALSE ; - } - //----------------------------------------------------------------------------------------------- - - return TRUE ; -} - -void LLImageGL::destroyGLTexture() -{ - checkActiveThread(); - - if (mTexName != 0) - { - if(mTextureMemory != S64Bytes(0)) - { - mTextureMemory = (S64Bytes)0; - } - - LLImageGL::deleteTextures(1, &mTexName); - mCurrentDiscardLevel = -1 ; //invalidate mCurrentDiscardLevel. - mTexName = 0; - mGLTextureCreated = FALSE ; - } -} - -//force to invalidate the gl texture, most likely a sculpty texture -void LLImageGL::forceToInvalidateGLTexture() -{ - checkActiveThread(); - if (mTexName != 0) - { - destroyGLTexture(); - } - else - { - mCurrentDiscardLevel = -1 ; //invalidate mCurrentDiscardLevel. - } -} - -//---------------------------------------------------------------------------- - -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 (mTexName != 0 && 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; -} - -S64 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); -} - -S64 LLImageGL::getMipBytes(S32 discard_level) const -{ - if (discard_level < 0) - { - discard_level = mCurrentDiscardLevel; - } - S32 w = mWidth>>discard_level; - S32 h = mHeight>>discard_level; - S64 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); -} - -BOOL LLImageGL::getIsAlphaMask() const -{ - llassert_always(!sSkipAnalyzeAlpha); - return mIsMask; -} - -void LLImageGL::setTarget(const LLGLenum target, const LLTexUnit::eTextureType bind_target) -{ - mTarget = target; - mBindTarget = bind_target; -} - -const S8 INVALID_OFFSET = -99 ; -void LLImageGL::setNeedsAlphaAndPickMask(BOOL need_mask) -{ - if(mNeedsAlphaAndPickMask != need_mask) - { - mNeedsAlphaAndPickMask = need_mask; - - if(mNeedsAlphaAndPickMask) - { - mAlphaOffset = 0 ; - } - else //do not need alpha mask - { - mAlphaOffset = INVALID_OFFSET ; - mIsMask = FALSE; - } - } -} - -void LLImageGL::calcAlphaChannelOffsetAndStride() -{ - if(mAlphaOffset == INVALID_OFFSET)//do not need alpha mask - { - return ; - } - - mAlphaStride = -1 ; - switch (mFormatPrimary) - { - case GL_LUMINANCE: - case GL_ALPHA: - mAlphaStride = 1; - break; - case GL_LUMINANCE_ALPHA: - mAlphaStride = 2; - break; - case GL_RED: - case GL_RGB: - case GL_SRGB: - mNeedsAlphaAndPickMask = FALSE; - mIsMask = FALSE; - return; //no alpha channel. - case GL_RGBA: - case GL_SRGB_ALPHA: - mAlphaStride = 4; - break; - case GL_BGRA_EXT: - mAlphaStride = 4; - break; - default: - break; - } - - mAlphaOffset = -1 ; - if (mFormatType == GL_UNSIGNED_BYTE) - { - mAlphaOffset = mAlphaStride - 1 ; - } - else if(is_little_endian()) - { - if (mFormatType == GL_UNSIGNED_INT_8_8_8_8) - { - mAlphaOffset = 0 ; - } - else if (mFormatType == GL_UNSIGNED_INT_8_8_8_8_REV) - { - mAlphaOffset = 3 ; - } - } - else //big endian - { - if (mFormatType == GL_UNSIGNED_INT_8_8_8_8) - { - mAlphaOffset = 3 ; - } - else if (mFormatType == GL_UNSIGNED_INT_8_8_8_8_REV) - { - mAlphaOffset = 0 ; - } - } - - if( mAlphaStride < 1 || //unsupported format - mAlphaOffset < 0 || //unsupported type - (mFormatPrimary == GL_BGRA_EXT && mFormatType != GL_UNSIGNED_BYTE)) //unknown situation - { - LL_WARNS() << "Cannot analyze alpha for image with format type " << std::hex << mFormatType << std::dec << LL_ENDL; - - mNeedsAlphaAndPickMask = FALSE ; - mIsMask = FALSE; - } -} - -void LLImageGL::analyzeAlpha(const void* data_in, U32 w, U32 h) -{ - if(sSkipAnalyzeAlpha || !mNeedsAlphaAndPickMask) - { - return ; - } - - U32 length = w * h; - U32 alphatotal = 0; - - U32 sample[16]; - memset(sample, 0, sizeof(U32)*16); - - // generate histogram of quantized alpha. - // also add-in the histogram of a 2x2 box-sampled version. The idea is - // this will mid-skew the data (and thus increase the chances of not - // being used as a mask) from high-frequency alpha maps which - // suffer the worst from aliasing when used as alpha masks. - if (w >= 2 && h >= 2) - { - llassert(w%2 == 0); - llassert(h%2 == 0); - const GLubyte* rowstart = ((const GLubyte*) data_in) + mAlphaOffset; - for (U32 y = 0; y < h; y+=2) - { - const GLubyte* current = rowstart; - for (U32 x = 0; x < w; x+=2) - { - const U32 s1 = current[0]; - alphatotal += s1; - const U32 s2 = current[w * mAlphaStride]; - alphatotal += s2; - current += mAlphaStride; - const U32 s3 = current[0]; - alphatotal += s3; - const U32 s4 = current[w * mAlphaStride]; - alphatotal += s4; - current += mAlphaStride; - - ++sample[s1/16]; - ++sample[s2/16]; - ++sample[s3/16]; - ++sample[s4/16]; - - const U32 asum = (s1+s2+s3+s4); - alphatotal += asum; - sample[asum/(16*4)] += 4; - } - - - rowstart += 2 * w * mAlphaStride; - } - length *= 2; // we sampled everything twice, essentially - } - else - { - const GLubyte* current = ((const GLubyte*) data_in) + mAlphaOffset; - for (U32 i = 0; i < length; i++) - { - const U32 s1 = *current; - alphatotal += s1; - ++sample[s1/16]; - current += mAlphaStride; - } - } - - // if more than 1/16th of alpha samples are mid-range, this - // shouldn't be treated as a 1-bit mask - - // also, if all of the alpha samples are clumped on one half - // of the range (but not at an absolute extreme), then consider - // this to be an intentional effect and don't treat as a mask. - - U32 midrangetotal = 0; - for (U32 i = 2; i < 13; i++) - { - midrangetotal += sample[i]; - } - U32 lowerhalftotal = 0; - for (U32 i = 0; i < 8; i++) - { - lowerhalftotal += sample[i]; - } - U32 upperhalftotal = 0; - for (U32 i = 8; i < 16; i++) - { - upperhalftotal += sample[i]; - } - - if (midrangetotal > length/48 || // lots of midrange, or - (lowerhalftotal == length && alphatotal != 0) || // all close to transparent but not all totally transparent, or - (upperhalftotal == length && alphatotal != 255*length)) // all close to opaque but not all totally opaque - { - mIsMask = FALSE; // not suitable for masking - } - else - { - mIsMask = TRUE; - } -} - -//---------------------------------------------------------------------------- -U32 LLImageGL::createPickMask(S32 pWidth, S32 pHeight) -{ - U32 pick_width = pWidth/2 + 1; - U32 pick_height = pHeight/2 + 1; - - U32 size = pick_width * pick_height; - size = (size + 7) / 8; // pixelcount-to-bits - mPickMask = new U8[size]; - mPickMaskWidth = pick_width - 1; - mPickMaskHeight = pick_height - 1; - - memset(mPickMask, 0, sizeof(U8) * size); - - return size; -} - -//---------------------------------------------------------------------------- -void LLImageGL::freePickMask() -{ - // pickmask validity depends on old image size, delete it - if (mPickMask != NULL) - { - delete [] mPickMask; - } - mPickMask = NULL; - mPickMaskWidth = mPickMaskHeight = 0; -} - -bool LLImageGL::isCompressed() -{ - llassert(mFormatPrimary != 0); - // *NOTE: Not all compressed formats are included here. - bool is_compressed = false; - switch (mFormatPrimary) - { - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: - is_compressed = true; - break; - default: - break; - } - return is_compressed; -} - -//---------------------------------------------------------------------------- -void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in) -{ - if(!mNeedsAlphaAndPickMask) - { - return ; - } - - freePickMask(); - - if (mFormatType != GL_UNSIGNED_BYTE || - ((mFormatPrimary != GL_RGBA) - && (mFormatPrimary != GL_SRGB_ALPHA))) - { - //cannot generate a pick mask for this texture - return; - } - -#ifdef SHOW_ASSERT - const U32 pickSize = createPickMask(width, height); -#else // SHOW_ASSERT - createPickMask(width, height); -#endif // SHOW_ASSERT - - 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; - llassert(pick_idx < pickSize); - - mPickMask[pick_idx] |= 1 << pick_offset; - } - - ++pick_bit; - } - } -} - -BOOL LLImageGL::getMask(const LLVector2 &tc) -{ - BOOL res = TRUE; - - if (mPickMask) - { - F32 u,v; - if (LL_LIKELY(tc.isFinite())) - { - u = tc.mV[0] - floorf(tc.mV[0]); - v = tc.mV[1] - floorf(tc.mV[1]); - } - else - { - LL_WARNS_ONCE("render") << "Ugh, non-finite u/v in mask pick" << LL_ENDL; - u = v = 0.f; - // removing assert per EXT-4388 - // llassert(false); - } - - if (LL_UNLIKELY(u < 0.f || u > 1.f || - v < 0.f || v > 1.f)) - { - LL_WARNS_ONCE("render") << "Ugh, u/v out of range in image mask pick" << LL_ENDL; - u = v = 0.f; - // removing assert per EXT-4388 - // llassert(false); - } - - S32 x = llfloor(u * mPickMaskWidth); - S32 y = llfloor(v * mPickMaskHeight); - - if (LL_UNLIKELY(x > mPickMaskWidth)) - { - LL_WARNS_ONCE("render") << "Ooh, width overrun on pick mask read, that coulda been bad." << LL_ENDL; - x = llmax((U16)0, mPickMaskWidth); - } - if (LL_UNLIKELY(y > mPickMaskHeight)) - { - LL_WARNS_ONCE("render") << "Ooh, height overrun on pick mask read, that woulda been bad." << LL_ENDL; - y = llmax((U16)0, mPickMaskHeight); - } - - S32 idx = y*mPickMaskWidth+x; - S32 offset = idx%8; - - res = mPickMask[idx/8] & (1 << offset) ? TRUE : FALSE; - } - - return res; -} - -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 ; -} -//---------------------------------------------------------------------------- -#if LL_IMAGEGL_THREAD_CHECK -void LLImageGL::checkActiveThread() -{ - llassert(mActiveThread == LLThread::currentID()); -} -#endif - -//---------------------------------------------------------------------------- - - -// 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); -*/ - -LLImageGLThread::LLImageGLThread(LLWindow* window) - // We want exactly one thread. - : LL::ThreadPool("LLImageGL", 1) - , mWindow(window) -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - mFinished = false; - - mContext = mWindow->createSharedContext(); - LL::ThreadPool::start(); -} - -void LLImageGLThread::run() -{ - LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; - // We must perform setup on this thread before actually servicing our - // WorkQueue, likewise cleanup afterwards. - mWindow->makeContextCurrent(mContext); - gGL.init(false); - LL::ThreadPool::run(); - gGL.shutdown(); - mWindow->destroySharedContext(mContext); -} - +/**
+ * @file llimagegl.cpp
+ * @brief Generic GL image handler
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+
+// TODO: create 2 classes for images w/ and w/o discard levels?
+
+#include "linden_common.h"
+
+#include "llimagegl.h"
+
+#include "llerror.h"
+#include "llfasttimer.h"
+#include "llimage.h"
+
+#include "llmath.h"
+#include "llgl.h"
+#include "llglslshader.h"
+#include "llrender.h"
+#include "llwindow.h"
+#include "llframetimer.h"
+
+extern LL_COMMON_API bool on_main_thread();
+
+#if !LL_IMAGEGL_THREAD_CHECK
+#define checkActiveThread()
+#endif
+
+//----------------------------------------------------------------------------
+const F32 MIN_TEXTURE_LIFETIME = 10.f;
+
+//which power of 2 is i?
+//assumes i is a power of 2 > 0
+U32 wpo2(U32 i);
+
+
+// texture memory accounting (for macOS)
+static LLMutex sTexMemMutex;
+static std::unordered_map<U32, U64> sTextureAllocs;
+static U64 sTextureBytes = 0;
+
+// track a texture alloc on the currently bound texture.
+// asserts that no currently tracked alloc exists
+void LLImageGLMemory::alloc_tex_image(U32 width, U32 height, U32 pixformat)
+{
+ U32 texUnit = gGL.getCurrentTexUnitIndex();
+ U32 texName = gGL.getTexUnit(texUnit)->getCurrTexture();
+ U64 size = LLImageGL::dataFormatBytes(pixformat, width, height);
+
+ llassert(size >= 0);
+
+ sTexMemMutex.lock();
+ llassert(sTextureAllocs.find(texName) == sTextureAllocs.end());
+
+ sTextureAllocs[texName] = size;
+ sTextureBytes += size;
+
+ sTexMemMutex.unlock();
+}
+
+// track texture free on given texName
+void LLImageGLMemory::free_tex_image(U32 texName)
+{
+ sTexMemMutex.lock();
+ auto iter = sTextureAllocs.find(texName);
+ if (iter != sTextureAllocs.end())
+ {
+ llassert(iter->second <= sTextureBytes); // sTextureBytes MUST NOT go below zero
+
+ sTextureBytes -= iter->second;
+
+ sTextureAllocs.erase(iter);
+ }
+
+ sTexMemMutex.unlock();
+}
+
+// track texture free on given texNames
+void LLImageGLMemory::free_tex_images(U32 count, const U32* texNames)
+{
+ for (int i = 0; i < count; ++i)
+ {
+ free_tex_image(texNames[i]);
+ }
+}
+
+// track texture free on currently bound texture
+void LLImageGLMemory::free_cur_tex_image()
+{
+ U32 texUnit = gGL.getCurrentTexUnitIndex();
+ U32 texName = gGL.getTexUnit(texUnit)->getCurrTexture();
+ free_tex_image(texName);
+}
+
+using namespace LLImageGLMemory;
+
+// static
+U64 LLImageGL::getTextureBytesAllocated()
+{
+ return sTextureBytes;
+}
+
+//statics
+
+U32 LLImageGL::sUniqueCount = 0;
+U32 LLImageGL::sBindCount = 0;
+S32 LLImageGL::sCount = 0;
+
+bool LLImageGL::sGlobalUseAnisotropic = false;
+F32 LLImageGL::sLastFrameTime = 0.f;
+bool LLImageGL::sAllowReadBackRaw = false ;
+LLImageGL* LLImageGL::sDefaultGLTexture = NULL ;
+bool LLImageGL::sCompressTextures = false;
+std::set<LLImageGL*> LLImageGL::sImageList;
+
+
+bool LLImageGLThread::sEnabledTextures = false;
+bool LLImageGLThread::sEnabledMedia = false;
+
+//****************************************************************************************************
+//The below for texture auditing use only
+//****************************************************************************************************
+//-----------------------
+//debug use
+S32 LLImageGL::sCurTexSizeBar = -1 ;
+S32 LLImageGL::sCurTexPickSize = -1 ;
+S32 LLImageGL::sMaxCategories = 1 ;
+
+//optimization for when we don't need to calculate mIsMask
+bool LLImageGL::sSkipAnalyzeAlpha;
+
+//------------------------
+//****************************************************************************************************
+//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(bool forced) const
+{
+ if ((forced || gDebugGL) && mTarget == GL_TEXTURE_2D)
+ {
+ {
+ //check viewport
+ GLint vp[4] ;
+ glGetIntegerv(GL_VIEWPORT, vp) ;
+ llcallstacks << "viewport: " << vp[0] << " : " << vp[1] << " : " << vp[2] << " : " << vp[3] << llcallstacksendl ;
+ }
+
+ GLint texname;
+ glGetIntegerv(GL_TEXTURE_BINDING_2D, &texname);
+ bool error = false;
+ if (texname != mTexName)
+ {
+ LL_INFOS() << "Bound: " << texname << " Should bind: " << mTexName << " Default: " << LLImageGL::sDefaultGLTexture->getTexName() << LL_ENDL;
+
+ error = true;
+ if (gDebugSession)
+ {
+ gFailLog << "Invalid texture bound!" << std::endl;
+ }
+ else
+ {
+ LL_ERRS() << "Invalid texture bound!" << LL_ENDL;
+ }
+ }
+ 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() ;
+ llcallstacks << "w: " << x << " h: " << y << llcallstacksendl ;
+
+ if(!x || !y)
+ {
+ return ;
+ }
+ if(x != (mWidth >> mCurrentDiscardLevel) || y != (mHeight >> mCurrentDiscardLevel))
+ {
+ error = true;
+ if (gDebugSession)
+ {
+ gFailLog << "wrong texture size and discard level!" <<
+ mWidth << " Height: " << mHeight << " Current Level: " << (S32)mCurrentDiscardLevel << std::endl;
+ }
+ else
+ {
+ LL_ERRS() << "wrong texture size and discard level: width: " <<
+ mWidth << " Height: " << mHeight << " Current Level: " << (S32)mCurrentDiscardLevel << LL_ENDL ;
+ }
+ }
+
+ if (error)
+ {
+ ll_fail("LLImageGL::checkTexSize failed.");
+ }
+ }
+}
+//end of debug functions
+//**************************************************************************************
+
+//----------------------------------------------------------------------------
+bool is_little_endian()
+{
+ S32 a = 0x12345678;
+ U8 *c = (U8*)(&a);
+
+ return (*c == 0x78) ;
+}
+
+//static
+void LLImageGL::initClass(LLWindow* window, S32 num_catagories, bool skip_analyze_alpha /* = false */, bool thread_texture_loads /* = false */, bool thread_media_updates /* = false */)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ sSkipAnalyzeAlpha = skip_analyze_alpha;
+
+ if (thread_texture_loads || thread_media_updates)
+ {
+ LLImageGLThread::createInstance(window);
+ LLImageGLThread::sEnabledTextures = thread_texture_loads;
+ LLImageGLThread::sEnabledMedia = thread_media_updates;
+ }
+}
+
+//static
+void LLImageGL::cleanupClass()
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ LLImageGLThread::deleteSingleton();
+}
+
+
+//static
+S32 LLImageGL::dataFormatBits(S32 dataformat)
+{
+ switch (dataformat)
+ {
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return 4;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: return 4;
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 8;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: return 8;
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 8;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return 8;
+ case GL_LUMINANCE: return 8;
+ case GL_ALPHA: return 8;
+ case GL_RED: return 8;
+ case GL_COLOR_INDEX: return 8;
+ case GL_LUMINANCE_ALPHA: return 16;
+ case GL_RGB: return 24;
+ case GL_SRGB: return 24;
+ case GL_RGB8: return 24;
+ case GL_RGBA: return 32;
+ case GL_SRGB_ALPHA: return 32;
+ case GL_BGRA: return 32; // Used for QuickTime media textures on the Mac
+ case GL_DEPTH_COMPONENT: return 24;
+ case GL_RGB16F: return 48;
+ case GL_RGBA16F: return 64;
+ default:
+ LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL;
+ return 0;
+ }
+}
+
+//static
+S64 LLImageGL::dataFormatBytes(S32 dataformat, S32 width, S32 height)
+{
+ switch (dataformat)
+ {
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ if (width < 4) width = 4;
+ if (height < 4) height = 4;
+ break;
+ default:
+ break;
+ }
+ S64 bytes (((S64)width * (S64)height * (S64)dataFormatBits(dataformat)+7)>>3);
+ S64 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_SRGB_ALPHA_S3TC_DXT1_EXT: return 3;
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: return 4;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT: return 4;
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: return 4;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: return 4;
+ case GL_LUMINANCE: return 1;
+ case GL_ALPHA: return 1;
+ case GL_RED: return 1;
+ case GL_COLOR_INDEX: return 1;
+ case GL_LUMINANCE_ALPHA: return 2;
+ case GL_RGB: return 3;
+ case GL_SRGB: return 3;
+ case GL_RGBA: return 4;
+ case GL_SRGB_ALPHA: return 4;
+ case GL_BGRA: return 4; // Used for QuickTime media textures on the Mac
+ default:
+ LL_ERRS() << "LLImageGL::Unknown format: " << dataformat << LL_ENDL;
+ return 0;
+ }
+}
+
+//----------------------------------------------------------------------------
+
+// static
+void LLImageGL::updateStats(F32 current_time)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ sLastFrameTime = current_time;
+}
+
+//----------------------------------------------------------------------------
+
+//static
+void LLImageGL::destroyGL(bool save_state)
+{
+ for (S32 stage = 0; stage < gGLManager.mNumTextureImageUnits; 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())
+ {
+ LL_ERRS() << "tex name is not 0." << LL_ENDL ;
+ }
+ 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
+void LLImageGL::dirtyTexOptions()
+{
+ for (std::set<LLImageGL*>::iterator iter = sImageList.begin();
+ iter != sImageList.end(); iter++)
+ {
+ LLImageGL* glimage = *iter;
+ glimage->mTexOptionsDirty = true;
+ stop_glerror();
+ }
+
+}
+//----------------------------------------------------------------------------
+
+//for server side use only.
+//static
+bool LLImageGL::create(LLPointer<LLImageGL>& dest, bool usemipmaps)
+{
+ dest = new LLImageGL(usemipmaps);
+ return true;
+}
+
+//for server side use only.
+bool LLImageGL::create(LLPointer<LLImageGL>& dest, U32 width, U32 height, U8 components, bool usemipmaps)
+{
+ dest = new LLImageGL(width, height, components, usemipmaps);
+ return true;
+}
+
+//for server side use only.
+bool LLImageGL::create(LLPointer<LLImageGL>& dest, const LLImageRaw* imageraw, bool usemipmaps)
+{
+ dest = new LLImageGL(imageraw, usemipmaps);
+ return true;
+}
+
+//----------------------------------------------------------------------------
+
+LLImageGL::LLImageGL(bool usemipmaps)
+: mSaveData(0), mExternalTexture(false)
+{
+ init(usemipmaps);
+ setSize(0, 0, 0);
+ sImageList.insert(this);
+ sCount++;
+}
+
+LLImageGL::LLImageGL(U32 width, U32 height, U8 components, bool usemipmaps)
+: mSaveData(0), mExternalTexture(false)
+{
+ llassert( components <= 4 );
+ init(usemipmaps);
+ setSize(width, height, components);
+ sImageList.insert(this);
+ sCount++;
+}
+
+LLImageGL::LLImageGL(const LLImageRaw* imageraw, bool usemipmaps)
+: mSaveData(0), mExternalTexture(false)
+{
+ init(usemipmaps);
+ setSize(0, 0, 0);
+ sImageList.insert(this);
+ sCount++;
+
+ createGLTexture(0, imageraw);
+}
+
+LLImageGL::LLImageGL(
+ LLGLuint texName,
+ U32 components,
+ LLGLenum target,
+ LLGLint formatInternal,
+ LLGLenum formatPrimary,
+ LLGLenum formatType,
+ LLTexUnit::eTextureAddressMode addressMode)
+{
+ init(false);
+ mTexName = texName;
+ mTarget = target;
+ mComponents = components;
+ mAddressMode = addressMode;
+ mFormatType = formatType;
+ mFormatInternal = formatInternal;
+ mFormatPrimary = formatPrimary;
+}
+
+
+LLImageGL::~LLImageGL()
+{
+ if (!mExternalTexture && gGLManager.mInited)
+ {
+ LLImageGL::cleanup();
+ sImageList.erase(this);
+ freePickMask();
+ sCount--;
+ }
+}
+
+void LLImageGL::init(bool usemipmaps)
+{
+#if LL_IMAGEGL_THREAD_CHECK
+ mActiveThread = LLThread::currentID();
+#endif
+
+ // keep these members in the same order as declared in llimagehl.h
+ // so that it is obvious by visual inspection if we forgot to
+ // init a field.
+
+ mTextureMemory = S64Bytes(0);
+ mLastBindTime = 0.f;
+
+ mPickMask = NULL;
+ mPickMaskWidth = 0;
+ mPickMaskHeight = 0;
+ mUseMipMaps = usemipmaps;
+ mHasExplicitFormat = false;
+
+ mIsMask = false;
+ mNeedsAlphaAndPickMask = true ;
+ mAlphaStride = 0 ;
+ mAlphaOffset = 0 ;
+
+ mGLTextureCreated = false ;
+ mTexName = 0;
+ mWidth = 0;
+ mHeight = 0;
+ mCurrentDiscardLevel = -1;
+
+ mDiscardLevelInAtlas = -1 ;
+ mTexelsInAtlas = 0 ;
+ mTexelsInGLTexture = 0 ;
+
+ mAllowCompression = true;
+
+ mTarget = GL_TEXTURE_2D;
+ mBindTarget = LLTexUnit::TT_TEXTURE;
+ mHasMipMaps = false;
+ mMipLevels = -1;
+
+ mIsResident = 0;
+
+ mComponents = 0;
+ mMaxDiscardLevel = MAX_DISCARD_LEVEL;
+
+ mTexOptionsDirty = true;
+ mAddressMode = LLTexUnit::TAM_WRAP;
+ mFilterOption = LLTexUnit::TFO_ANISOTROPIC;
+
+ mFormatInternal = -1;
+ mFormatPrimary = (LLGLenum) 0;
+ mFormatType = GL_UNSIGNED_BYTE;
+ mFormatSwapBytes = false;
+
+#ifdef DEBUG_MISS
+ mMissed = false;
+#endif
+
+ mCategory = -1;
+
+ // Sometimes we have to post work for the main thread.
+ mMainQueue = LL::WorkQueue::getInstance("mainloop");
+}
+
+void LLImageGL::cleanup()
+{
+ if (!gGLManager.mIsDisabled)
+ {
+ destroyGLTexture();
+ }
+ freePickMask();
+
+ 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);
+}
+
+bool LLImageGL::setSize(S32 width, S32 height, S32 ncomponents, S32 discard_level)
+{
+ if (width != mWidth || height != mHeight || ncomponents != mComponents)
+ {
+ // Check if dimensions are a power of two!
+ if (!checkSize(width, height))
+ {
+ LL_WARNS() << llformat("Texture has non power of two dimension: %dx%d",width,height) << LL_ENDL;
+ return false;
+ }
+
+ // pickmask validity depends on old image size, delete it
+ freePickMask();
+
+ 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;
+ }
+
+ if(discard_level > 0)
+ {
+ mMaxDiscardLevel = llmax(mMaxDiscardLevel, (S8)discard_level);
+ }
+ }
+ else
+ {
+ mMaxDiscardLevel = MAX_DISCARD_LEVEL;
+ }
+ }
+
+ return true;
+}
+
+//----------------------------------------------------------------------------
+
+// virtual
+void LLImageGL::dump()
+{
+ LL_INFOS() << "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
+ << LL_ENDL;
+
+ LL_INFOS() << " mTextureMemory " << mTextureMemory
+ << " mTexNames " << mTexName
+ << " mIsResident " << S32(mIsResident)
+ << LL_ENDL;
+}
+
+//----------------------------------------------------------------------------
+void LLImageGL::forceUpdateBindStats(void) const
+{
+ mLastBindTime = sLastFrameTime;
+}
+
+bool LLImageGL::updateBindStats() 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++;
+ mLastBindTime = sLastFrameTime;
+
+ return true ;
+ }
+ }
+ return false ;
+}
+
+F32 LLImageGL::getTimePassedSinceLastBound()
+{
+ return sLastFrameTime - mLastBindTime ;
+}
+
+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;
+
+ calcAlphaChannelOffsetAndStride() ;
+}
+
+//----------------------------------------------------------------------------
+
+void LLImageGL::setImage(const LLImageRaw* imageraw)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ llassert((imageraw->getWidth() == getWidth(mCurrentDiscardLevel)) &&
+ (imageraw->getHeight() == getHeight(mCurrentDiscardLevel)) &&
+ (imageraw->getComponents() == getComponents()));
+ const U8* rawdata = imageraw->getData();
+ setImage(rawdata, false);
+}
+
+bool LLImageGL::setImage(const U8* data_in, bool data_hasmips /* = false */, S32 usename /* = 0 */)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+
+ const bool is_compressed = isCompressed();
+
+ if (mUseMipMaps)
+ {
+ //set has mip maps to true before binding image so tex parameters get set properly
+ gGL.getTexUnit(0)->unbind(mBindTarget);
+
+ mHasMipMaps = true;
+ mTexOptionsDirty = true;
+ setFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
+ }
+ else
+ {
+ mHasMipMaps = false;
+ }
+
+ gGL.getTexUnit(0)->bind(this, false, false, usename);
+
+ if (data_in == nullptr)
+ {
+ S32 w = getWidth();
+ S32 h = getHeight();
+ LLImageGL::setManualImage(mTarget, 0, mFormatInternal, w, h,
+ mFormatPrimary, mFormatType, (GLvoid*)data_in, mAllowCompression);
+ }
+ else if (mUseMipMaps)
+ {
+ 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;
+
+ mMipLevels = llmax(mMipLevels, gl_level);
+
+ if (d > mCurrentDiscardLevel)
+ {
+ data_in -= dataFormatBytes(mFormatPrimary, w, h); // see above comment
+ }
+ if (is_compressed)
+ {
+ S32 tex_size = dataFormatBytes(mFormatPrimary, w, h);
+ glCompressedTexImage2D(mTarget, gl_level, 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, gl_level, mFormatInternal, w, h, mFormatPrimary, GL_UNSIGNED_BYTE, (GLvoid*)data_in, mAllowCompression);
+ 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)
+ {
+ stop_glerror();
+ {
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
+ stop_glerror();
+ }
+
+ S32 w = getWidth(mCurrentDiscardLevel);
+ S32 h = getHeight(mCurrentDiscardLevel);
+
+ mMipLevels = wpo2(llmax(w, h));
+
+ //use legacy mipmap generation mode (note: making this condional can cause rendering issues)
+ // -- but making it not conditional triggers deprecation warnings when core profile is enabled
+ // (some rendering issues while core profile is enabled are acceptable at this point in time)
+ if (!LLRender::sGLCoreProfile)
+ {
+ glTexParameteri(mTarget, GL_GENERATE_MIPMAP, GL_TRUE);
+ }
+
+ LLImageGL::setManualImage(mTarget, 0, mFormatInternal,
+ w, h,
+ mFormatPrimary, mFormatType,
+ data_in, mAllowCompression);
+ analyzeAlpha(data_in, w, h);
+ stop_glerror();
+
+ updatePickMask(w, h, data_in);
+
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
+ stop_glerror();
+ }
+
+ if (LLRender::sGLCoreProfile)
+ {
+ LL_PROFILE_GPU_ZONE("generate mip map");
+ glGenerateMipmap(mTarget);
+ }
+ stop_glerror();
+ }
+ }
+ else
+ {
+ // Create mips by hand
+ // ~4x faster than gluBuild2DMipmaps
+ S32 width = getWidth(mCurrentDiscardLevel);
+ S32 height = getHeight(mCurrentDiscardLevel);
+ S32 nummips = mMaxDiscardLevel - mCurrentDiscardLevel + 1;
+ S32 w = width, h = height;
+
+
+ const U8* new_data = 0;
+ (void)new_data;
+
+ const U8* prev_mip_data = 0;
+ const U8* cur_mip_data = 0;
+#ifdef SHOW_ASSERT
+ S32 cur_mip_size = 0;
+#endif
+ mMipLevels = nummips;
+
+ for (int m=0; m<nummips; m++)
+ {
+ if (m==0)
+ {
+ cur_mip_data = data_in;
+#ifdef SHOW_ASSERT
+ cur_mip_size = width * height * mComponents;
+#endif
+ }
+ else
+ {
+ S32 bytes = w * h * mComponents;
+#ifdef SHOW_ASSERT
+ llassert(prev_mip_data);
+ llassert(cur_mip_size == bytes*4);
+#endif
+ U8* new_data = new(std::nothrow) U8[bytes];
+ if (!new_data)
+ {
+ stop_glerror();
+
+ if (prev_mip_data)
+ {
+ if (prev_mip_data != cur_mip_data)
+ delete[] prev_mip_data;
+ prev_mip_data = nullptr;
+ }
+ if (cur_mip_data)
+ {
+ delete[] cur_mip_data;
+ cur_mip_data = nullptr;
+ }
+
+ mGLTextureCreated = false;
+ return false;
+ }
+ else
+ {
+
+#ifdef SHOW_ASSERT
+ llassert(prev_mip_data);
+ llassert(cur_mip_size == bytes * 4);
+#endif
+
+ LLImageBase::generateMip(prev_mip_data, new_data, w, h, mComponents);
+ cur_mip_data = new_data;
+#ifdef SHOW_ASSERT
+ cur_mip_size = bytes;
+#endif
+ }
+
+ }
+ llassert(w > 0 && h > 0 && cur_mip_data);
+ (void)cur_mip_data;
+ {
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
+ stop_glerror();
+ }
+
+ LLImageGL::setManualImage(mTarget, m, mFormatInternal, w, h, mFormatPrimary, mFormatType, cur_mip_data, mAllowCompression);
+ 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;
+ w >>= 1;
+ h >>= 1;
+ }
+ if (prev_mip_data && prev_mip_data != data_in)
+ {
+ delete[] prev_mip_data;
+ prev_mip_data = NULL;
+ }
+ }
+ }
+ else
+ {
+ LL_ERRS() << "Compressed Image has mipmaps but data does not (can not auto generate compressed mips)" << LL_ENDL;
+ }
+ }
+ else
+ {
+ mMipLevels = 0;
+ S32 w = getWidth();
+ S32 h = getHeight();
+ if (is_compressed)
+ {
+ S32 tex_size = dataFormatBytes(mFormatPrimary, w, h);
+ glCompressedTexImage2D(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, mAllowCompression);
+ analyzeAlpha(data_in, w, h);
+
+ updatePickMask(w, h, data_in);
+
+ stop_glerror();
+
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
+ stop_glerror();
+ }
+
+ }
+ }
+ stop_glerror();
+ mGLTextureCreated = true;
+ return true;
+}
+
+bool LLImageGL::preAddToAtlas(S32 discard_level, const LLImageRaw* raw_image)
+{
+ //not compatible with core GL profile
+ llassert(!LLRender::sGLCoreProfile);
+
+ if (gGLManager.mIsDisabled)
+ {
+ LL_WARNS() << "Trying to create a texture while GL is disabled!" << LL_ENDL;
+ return false;
+ }
+ llassert(gGLManager.mInited);
+ stop_glerror();
+
+ if (discard_level < 0)
+ {
+ llassert(mCurrentDiscardLevel >= 0);
+ discard_level = mCurrentDiscardLevel;
+ }
+
+ // Actual image width/height = raw image width/height * 2^discard_level
+ S32 w = raw_image->getWidth() << discard_level;
+ S32 h = raw_image->getHeight() << discard_level;
+
+ // setSize may call destroyGLTexture if the size does not match
+ if (!setSize(w, h, raw_image->getComponents(), discard_level))
+ {
+ LL_WARNS() << "Trying to create a texture with incorrect dimensions!" << LL_ENDL;
+ return false;
+ }
+
+ 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_ERRS() << "Bad number of components for texture: " << (U32) getComponents() << LL_ENDL;
+ }
+ }
+
+ mCurrentDiscardLevel = discard_level;
+ mDiscardLevelInAtlas = discard_level;
+ mTexelsInAtlas = raw_image->getWidth() * raw_image->getHeight() ;
+ mLastBindTime = sLastFrameTime;
+ mGLTextureCreated = false ;
+
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, raw_image->getWidth());
+ stop_glerror();
+
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
+ stop_glerror();
+ }
+
+ return true ;
+}
+
+void LLImageGL::postAddToAtlas()
+{
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
+ stop_glerror();
+ }
+
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+ gGL.getTexUnit(0)->setTextureFilteringOption(mFilterOption);
+ stop_glerror();
+}
+
+U32 type_width_from_pixtype(U32 pixtype)
+{
+ U32 type_width = 0;
+ switch (pixtype)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_BYTE:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ type_width = 1;
+ break;
+ case GL_UNSIGNED_SHORT:
+ case GL_SHORT:
+ type_width = 2;
+ break;
+ case GL_UNSIGNED_INT:
+ case GL_INT:
+ case GL_FLOAT:
+ type_width = 4;
+ break;
+ default:
+ LL_ERRS() << "Unknown type: " << pixtype << LL_ENDL;
+ }
+ return type_width;
+}
+
+bool should_stagger_image_set(bool compressed)
+{
+#if LL_DARWIN
+ return false;
+#else
+ // glTexSubImage2D doesn't work with compressed textures on select tested Nvidia GPUs on Windows 10 -Cosmic,2023-03-08
+ // Setting media textures off-thread seems faster when not using sub_image_lines (Nvidia/Windows 10) -Cosmic,2023-03-31
+ return !compressed && on_main_thread();
+#endif
+}
+
+// Equivalent to calling glSetSubImage2D(target, miplevel, x_offset, y_offset, width, height, pixformat, pixtype, src), assuming the total width of the image is data_width
+// However, instead there are multiple calls to glSetSubImage2D on smaller slices of the image
+void sub_image_lines(U32 target, S32 miplevel, S32 x_offset, S32 y_offset, S32 width, S32 height, U32 pixformat, U32 pixtype, const U8* src, S32 data_width)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+
+ U32 components = LLImageGL::dataFormatComponents(pixformat);
+ U32 type_width = type_width_from_pixtype(pixtype);
+
+ const U32 line_width = data_width * components * type_width;
+ const U32 y_offset_end = y_offset + height;
+ for (U32 y_pos = y_offset; y_pos < y_offset_end; ++y_pos)
+ {
+ glTexSubImage2D(target, miplevel, x_offset, y_pos, width, 1, pixformat, pixtype, src);
+ src += line_width;
+ }
+}
+
+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 /* = false */, LLGLuint use_name)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ if (!width || !height)
+ {
+ return true;
+ }
+ LLGLuint tex_name = use_name != 0 ? use_name : mTexName;
+ if (0 == tex_name)
+ {
+ // *TODO: Re-enable warning? Ran into thread locking issues? DK 2011-02-18
+ //LL_WARNS() << "Setting subimage on image without GL texture" << LL_ENDL;
+ return false;
+ }
+ if (datap == NULL)
+ {
+ // *TODO: Re-enable warning? Ran into thread locking issues? DK 2011-02-18
+ //LL_WARNS() << "Setting subimage on image with NULL datap" << LL_ENDL;
+ 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, tex_name);
+ }
+ else
+ {
+ if (mUseMipMaps)
+ {
+ dump();
+ LL_ERRS() << "setSubImage called with mipmapped image (not supported)" << LL_ENDL;
+ }
+ llassert_always(mCurrentDiscardLevel == 0);
+ llassert_always(x_pos >= 0 && y_pos >= 0);
+
+ if (((x_pos + width) > getWidth()) ||
+ (y_pos + height) > getHeight())
+ {
+ dump();
+ LL_ERRS() << "Subimage not wholly in target image!"
+ << " x_pos " << x_pos
+ << " y_pos " << y_pos
+ << " width " << width
+ << " height " << height
+ << " getWidth() " << getWidth()
+ << " getHeight() " << getHeight()
+ << LL_ENDL;
+ }
+
+ if ((x_pos + width) > data_width ||
+ (y_pos + height) > data_height)
+ {
+ dump();
+ LL_ERRS() << "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
+ << LL_ENDL;
+ }
+
+
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, data_width);
+ stop_glerror();
+
+ if(mFormatSwapBytes)
+ {
+ glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
+ stop_glerror();
+ }
+
+ const U8* sub_datap = datap + (y_pos * data_width + x_pos) * getComponents();
+ // Update the GL texture
+ bool res = gGL.getTexUnit(0)->bindManual(mBindTarget, tex_name);
+ if (!res) LL_ERRS() << "LLImageGL::setSubImage(): bindTexture failed" << LL_ENDL;
+ stop_glerror();
+
+ const bool use_sub_image = should_stagger_image_set(isCompressed());
+ if (!use_sub_image)
+ {
+ // *TODO: Why does this work here, in setSubImage, but not in
+ // setManualImage? Maybe because it only gets called with the
+ // dimensions of the full image? Or because the image is never
+ // compressed?
+ glTexSubImage2D(mTarget, 0, x_pos, y_pos, width, height, mFormatPrimary, mFormatType, sub_datap);
+ }
+ else
+ {
+ sub_image_lines(mTarget, 0, x_pos, y_pos, width, height, mFormatPrimary, mFormatType, sub_datap, data_width);
+ }
+ 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 /* = false */, LLGLuint use_name)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ return setSubImage(imageraw->getData(), imageraw->getWidth(), imageraw->getHeight(), x_pos, y_pos, width, height, force_fast_update, use_name);
+}
+
+// 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))
+ {
+ 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)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ static constexpr U32 pool_size = 1024;
+ static thread_local U32 name_pool[pool_size]; // pool of texture names
+ static thread_local U32 name_count = 0; // number of available names in the pool
+
+ if (name_count == 0)
+ {
+ LL_PROFILE_ZONE_NAMED("iglgt - reup pool");
+ // pool is emtpy, refill it
+ glGenTextures(pool_size, name_pool);
+ name_count = pool_size;
+ }
+
+ if (numTextures <= name_count)
+ {
+ //copy teture names off the end of the pool
+ memcpy(textures, name_pool + name_count - numTextures, sizeof(U32) * numTextures);
+ name_count -= numTextures;
+ }
+ else
+ {
+ LL_PROFILE_ZONE_NAMED("iglgt - pool miss");
+ glGenTextures(numTextures, textures);
+ }
+}
+
+// static
+void LLImageGL::deleteTextures(S32 numTextures, const U32 *textures)
+{
+ if (gGLManager.mInited)
+ {
+ free_tex_images(numTextures, textures);
+ glDeleteTextures(numTextures, textures);
+ }
+}
+
+// static
+void LLImageGL::setManualImage(U32 target, S32 miplevel, S32 intformat, S32 width, S32 height, U32 pixformat, U32 pixtype, const void* pixels, bool allow_compression)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ bool use_scratch = false;
+ U32* scratch = NULL;
+ if (LLRender::sGLCoreProfile)
+ {
+ if (pixformat == GL_ALPHA && pixtype == GL_UNSIGNED_BYTE)
+ { //GL_ALPHA is deprecated, convert to RGBA
+ if (pixels != nullptr)
+ {
+ use_scratch = true;
+ scratch = new(std::nothrow) U32[width * height];
+ if (!scratch)
+ {
+ LLError::LLUserWarningMsg::showOutOfMemory();
+ LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32))
+ << " bytes for a manual image W" << width << " H" << height << LL_ENDL;
+ }
+
+ U32 pixel_count = (U32)(width * height);
+ for (U32 i = 0; i < pixel_count; i++)
+ {
+ U8* pix = (U8*)&scratch[i];
+ pix[0] = pix[1] = pix[2] = 0;
+ pix[3] = ((U8*)pixels)[i];
+ }
+ }
+
+ pixformat = GL_RGBA;
+ intformat = GL_RGBA8;
+ }
+
+ if (pixformat == GL_LUMINANCE_ALPHA && pixtype == GL_UNSIGNED_BYTE)
+ { //GL_LUMINANCE_ALPHA is deprecated, convert to RGBA
+ if (pixels != nullptr)
+ {
+ use_scratch = true;
+ scratch = new(std::nothrow) U32[width * height];
+ if (!scratch)
+ {
+ LLError::LLUserWarningMsg::showOutOfMemory();
+ LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32))
+ << " bytes for a manual image W" << width << " H" << height << LL_ENDL;
+ }
+
+ U32 pixel_count = (U32)(width * height);
+ for (U32 i = 0; i < pixel_count; i++)
+ {
+ U8 lum = ((U8*)pixels)[i * 2 + 0];
+ U8 alpha = ((U8*)pixels)[i * 2 + 1];
+
+ U8* pix = (U8*)&scratch[i];
+ pix[0] = pix[1] = pix[2] = lum;
+ pix[3] = alpha;
+ }
+ }
+
+ pixformat = GL_RGBA;
+ intformat = GL_RGBA8;
+ }
+
+ if (pixformat == GL_LUMINANCE && pixtype == GL_UNSIGNED_BYTE)
+ { //GL_LUMINANCE_ALPHA is deprecated, convert to RGB
+ if (pixels != nullptr)
+ {
+ use_scratch = true;
+ scratch = new(std::nothrow) U32[width * height];
+ if (!scratch)
+ {
+ LLError::LLUserWarningMsg::showOutOfMemory();
+ LL_ERRS() << "Failed to allocate " << (U32)(width * height * sizeof(U32))
+ << " bytes for a manual image W" << width << " H" << height << LL_ENDL;
+ }
+
+ U32 pixel_count = (U32)(width * height);
+ for (U32 i = 0; i < pixel_count; i++)
+ {
+ U8 lum = ((U8*)pixels)[i];
+
+ U8* pix = (U8*)&scratch[i];
+ pix[0] = pix[1] = pix[2] = lum;
+ pix[3] = 255;
+ }
+ }
+ pixformat = GL_RGBA;
+ intformat = GL_RGB8;
+ }
+ }
+
+ const bool compress = LLImageGL::sCompressTextures && allow_compression;
+ if (compress)
+ {
+ switch (intformat)
+ {
+ case GL_RGB:
+ case GL_RGB8:
+ intformat = GL_COMPRESSED_RGB;
+ break;
+ case GL_SRGB:
+ case GL_SRGB8:
+ intformat = GL_COMPRESSED_SRGB;
+ break;
+ case GL_RGBA:
+ case GL_RGBA8:
+ intformat = GL_COMPRESSED_RGBA;
+ break;
+ case GL_SRGB_ALPHA:
+ case GL_SRGB8_ALPHA8:
+ intformat = GL_COMPRESSED_SRGB_ALPHA;
+ break;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE8:
+ intformat = GL_COMPRESSED_LUMINANCE;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE8_ALPHA8:
+ intformat = GL_COMPRESSED_LUMINANCE_ALPHA;
+ break;
+ case GL_ALPHA:
+ case GL_ALPHA8:
+ intformat = GL_COMPRESSED_ALPHA;
+ break;
+ case GL_RED:
+ case GL_R8:
+ intformat = GL_COMPRESSED_RED;
+ break;
+ default:
+ LL_WARNS() << "Could not compress format: " << std::hex << intformat << LL_ENDL;
+ break;
+ }
+ }
+
+ stop_glerror();
+ {
+ LL_PROFILE_ZONE_NAMED("glTexImage2D");
+ LL_PROFILE_ZONE_NUM(width);
+ LL_PROFILE_ZONE_NUM(height);
+
+ free_cur_tex_image();
+ const bool use_sub_image = should_stagger_image_set(compress);
+ if (!use_sub_image)
+ {
+ LL_PROFILE_ZONE_NAMED("glTexImage2D alloc + copy");
+ glTexImage2D(target, miplevel, intformat, width, height, 0, pixformat, pixtype, use_scratch ? scratch : pixels);
+ }
+ else
+ {
+ // break up calls to a manageable size for the GL command buffer
+ {
+ LL_PROFILE_ZONE_NAMED("glTexImage2D alloc");
+ glTexImage2D(target, miplevel, intformat, width, height, 0, pixformat, pixtype, nullptr);
+ }
+
+ U8* src = (U8*)(use_scratch ? scratch : pixels);
+ if (src)
+ {
+ LL_PROFILE_ZONE_NAMED("glTexImage2D copy");
+ sub_image_lines(target, miplevel, 0, 0, width, height, pixformat, pixtype, src, width);
+ }
+ }
+ alloc_tex_image(width, height, pixformat);
+ }
+ stop_glerror();
+
+ if (use_scratch)
+ {
+ delete[] scratch;
+ }
+}
+
+//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()
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ checkActiveThread();
+
+ if (gGLManager.mIsDisabled)
+ {
+ LL_WARNS() << "Trying to create a texture while GL is disabled!" << LL_ENDL;
+ return false;
+ }
+
+ mGLTextureCreated = false ; //do not save this texture when gl is destroyed.
+
+ llassert(gGLManager.mInited);
+ stop_glerror();
+
+ if(mTexName)
+ {
+ LLImageGL::deleteTextures(1, (reinterpret_cast<GLuint*>(&mTexName))) ;
+ mTexName = 0;
+ }
+
+
+ LLImageGL::generateTextures(1, &mTexName);
+ stop_glerror();
+ if (!mTexName)
+ {
+ LL_WARNS() << "LLImageGL::createGLTexture failed to make an empty texture" << LL_ENDL;
+ return false;
+ }
+
+ return true ;
+}
+
+bool LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename/*=0*/, bool to_create, S32 category, bool defer_copy, LLGLuint* tex_name)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ checkActiveThread();
+
+ if (gGLManager.mIsDisabled)
+ {
+ LL_WARNS() << "Trying to create a texture while GL is disabled!" << LL_ENDL;
+ return false;
+ }
+
+ llassert(gGLManager.mInited);
+ stop_glerror();
+
+ if (!imageraw || imageraw->isBufferInvalid())
+ {
+ LL_WARNS() << "Trying to create a texture from invalid image data" << LL_ENDL;
+ mGLTextureCreated = false;
+ return false;
+ }
+
+ if (discard_level < 0)
+ {
+ llassert(mCurrentDiscardLevel >= 0);
+ discard_level = mCurrentDiscardLevel;
+ }
+
+ // 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
+ if (!setSize(w, h, imageraw->getComponents(), discard_level))
+ {
+ LL_WARNS() << "Trying to create a texture with incorrect dimensions!" << LL_ENDL;
+ mGLTextureCreated = false;
+ return false;
+ }
+
+ if (mHasExplicitFormat &&
+ ((mFormatPrimary == GL_RGBA && mComponents < 4) ||
+ (mFormatPrimary == GL_RGB && mComponents < 3)))
+
+ {
+ LL_WARNS() << "Incorrect format: " << std::hex << mFormatPrimary << " components: " << (U32)mComponents << LL_ENDL;
+ mHasExplicitFormat = false;
+ }
+
+ 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_ERRS() << "Bad number of components for texture: " << (U32)getComponents() << LL_ENDL;
+ }
+
+ calcAlphaChannelOffsetAndStride() ;
+ }
+
+ if(!to_create) //not create a gl texture
+ {
+ destroyGLTexture();
+ mCurrentDiscardLevel = discard_level;
+ mLastBindTime = sLastFrameTime;
+ mGLTextureCreated = false;
+ return true ;
+ }
+
+ setCategory(category);
+ const U8* rawdata = imageraw->getData();
+ return createGLTexture(discard_level, rawdata, false, usename, defer_copy, tex_name);
+}
+
+bool LLImageGL::createGLTexture(S32 discard_level, const U8* data_in, bool data_hasmips, S32 usename, bool defer_copy, LLGLuint* tex_name)
+// Call with void data, vmem is allocated but unitialized
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ LL_PROFILE_GPU_ZONE("createGLTexture");
+ checkActiveThread();
+
+ bool main_thread = on_main_thread();
+
+ if (defer_copy)
+ {
+ data_in = nullptr;
+ }
+ else
+ {
+ llassert(data_in);
+ }
+
+ stop_glerror();
+
+ if (discard_level < 0)
+ {
+ llassert(mCurrentDiscardLevel >= 0);
+ discard_level = mCurrentDiscardLevel;
+ }
+ discard_level = llclamp(discard_level, 0, (S32)mMaxDiscardLevel);
+
+ if (main_thread // <--- always force creation of new_texname when not on main thread ...
+ && !defer_copy // <--- ... or defer copy is set
+ && mTexName != 0 && discard_level == mCurrentDiscardLevel)
+ {
+ LL_PROFILE_ZONE_NAMED("cglt - early setImage");
+ // This will only be true if the size has not changed
+ if (tex_name != nullptr)
+ {
+ *tex_name = mTexName;
+ }
+ return setImage(data_in, data_hasmips);
+ }
+
+ GLuint old_texname = mTexName;
+ GLuint new_texname = 0;
+ if (usename != 0)
+ {
+ llassert(main_thread);
+ new_texname = usename;
+ }
+ else
+ {
+ LLImageGL::generateTextures(1, &new_texname);
+ {
+ gGL.getTexUnit(0)->bind(this, false, false, new_texname);
+ glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_TEXTURE_BASE_LEVEL, 0);
+ glTexParameteri(LLTexUnit::getInternalType(mBindTarget), GL_TEXTURE_MAX_LEVEL, mMaxDiscardLevel - discard_level);
+ }
+ }
+
+ if (tex_name != nullptr)
+ {
+ *tex_name = new_texname;
+ }
+
+ if (mUseMipMaps)
+ {
+ mAutoGenMips = true;
+ }
+
+ mCurrentDiscardLevel = discard_level;
+
+ {
+ LL_PROFILE_ZONE_NAMED("cglt - late setImage");
+ if (!setImage(data_in, data_hasmips, new_texname))
+ {
+ return false;
+ }
+ }
+
+ // 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);
+
+ //if we're on the image loading thread, be sure to delete old_texname and update mTexName on the main thread
+ if (!defer_copy)
+ {
+ if (!main_thread)
+ {
+ syncToMainThread(new_texname);
+ }
+ else
+ {
+ //not on background thread, immediately set mTexName
+ if (old_texname != 0 && old_texname != new_texname)
+ {
+ LLImageGL::deleteTextures(1, &old_texname);
+ }
+ mTexName = new_texname;
+ }
+ }
+
+
+ mTextureMemory = (S64Bytes)getMipBytes(mCurrentDiscardLevel);
+ mTexelsInGLTexture = getWidth() * getHeight();
+
+ // mark this as bound at this point, so we don't throw it out immediately
+ mLastBindTime = sLastFrameTime;
+
+ checkActiveThread();
+ return true;
+}
+
+void LLImageGL::syncToMainThread(LLGLuint new_tex_name)
+{
+ LL_PROFILE_ZONE_SCOPED;
+ llassert(!on_main_thread());
+
+ {
+ LL_PROFILE_ZONE_NAMED("cglt - sync");
+ if (gGLManager.mIsNVIDIA)
+ {
+ // wait for texture upload to finish before notifying main thread
+ // upload is complete
+ auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
+ glFlush();
+ glClientWaitSync(sync, 0, GL_TIMEOUT_IGNORED);
+ glDeleteSync(sync);
+ }
+ else
+ {
+ // post a sync to the main thread (will execute before tex name swap lambda below)
+ // glFlush calls here are partly superstitious and partly backed by observation
+ // on AMD hardware
+ glFlush();
+ auto sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
+ glFlush();
+ LL::WorkQueue::postMaybe(
+ mMainQueue,
+ [=]()
+ {
+ LL_PROFILE_ZONE_NAMED("cglt - wait sync");
+ {
+ LL_PROFILE_ZONE_NAMED("glWaitSync");
+ glWaitSync(sync, 0, GL_TIMEOUT_IGNORED);
+ }
+ {
+ LL_PROFILE_ZONE_NAMED("glDeleteSync");
+ glDeleteSync(sync);
+ }
+ });
+ }
+ }
+
+ ref();
+ LL::WorkQueue::postMaybe(
+ mMainQueue,
+ [=]()
+ {
+ LL_PROFILE_ZONE_NAMED("cglt - delete callback");
+ syncTexName(new_tex_name);
+ unref();
+ });
+
+ LL_PROFILER_GPU_COLLECT;
+}
+
+
+void LLImageGL::syncTexName(LLGLuint texname)
+{
+ if (texname != 0)
+ {
+ if (mTexName != 0 && mTexName != texname)
+ {
+ LLImageGL::deleteTextures(1, &mTexName);
+ }
+ mTexName = texname;
+ }
+}
+
+bool LLImageGL::readBackRaw(S32 discard_level, LLImageRaw* imageraw, bool compressed_ok) const
+{
+ llassert_always(sAllowReadBackRaw) ;
+ //LL_ERRS() << "should not call this function!" << LL_ENDL ;
+
+ 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)
+ {
+ LL_WARNS() << "texture size is smaller than it should be." << LL_ENDL ;
+ LL_WARNS() << "width: " << width << " glwidth: " << glwidth << " mWidth: " << mWidth <<
+ " mCurrentDiscardLevel: " << (S32)mCurrentDiscardLevel << " discard_level: " << (S32)discard_level << LL_ENDL ;
+ return false ;
+ }
+
+ if (width <= 0 || width > 2048 || height <= 0 || height > 2048 || ncomponents < 1 || ncomponents > 4)
+ {
+ LL_ERRS() << llformat("LLImageGL::readBackRaw: bogus params: %d x %d x %d",width,height,ncomponents) << LL_ENDL;
+ }
+
+ 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)
+ {
+ LL_WARNS() << "GL Error happens before reading back texture. Error code: " << error << LL_ENDL ;
+ }
+ //-----------------------------------------------------------------------------------------------
+
+ LLImageDataLock lock(imageraw);
+
+ if (is_compressed)
+ {
+ LLGLint glbytes;
+ glGetTexLevelParameteriv(mTarget, gl_discard, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, (GLint*)&glbytes);
+ if(!imageraw->allocateDataSize(width, height, ncomponents, glbytes))
+ {
+ LL_WARNS() << "Memory allocation failed for reading back texture. Size is: " << glbytes << LL_ENDL ;
+ LL_WARNS() << "width: " << width << "height: " << height << "components: " << ncomponents << LL_ENDL ;
+ return false ;
+ }
+
+ glGetCompressedTexImage(mTarget, gl_discard, (GLvoid*)(imageraw->getData()));
+ //stop_glerror();
+ }
+ else
+ {
+ if(!imageraw->allocateDataSize(width, height, ncomponents))
+ {
+ LL_WARNS() << "Memory allocation failed for reading back texture." << LL_ENDL ;
+ LL_WARNS() << "width: " << width << "height: " << height << "components: " << ncomponents << LL_ENDL ;
+ return false ;
+ }
+
+ glGetTexImage(GL_TEXTURE_2D, gl_discard, mFormatPrimary, mFormatType, (GLvoid*)(imageraw->getData()));
+ //stop_glerror();
+ }
+
+ //-----------------------------------------------------------------------------------------------
+ if((error = glGetError()) != GL_NO_ERROR)
+ {
+ LL_WARNS() << "GL Error happens after reading back texture. Error code: " << error << LL_ENDL ;
+ imageraw->deleteData() ;
+
+ while((error = glGetError()) != GL_NO_ERROR)
+ {
+ LL_WARNS() << "GL Error happens after reading back texture. Error code: " << error << LL_ENDL ;
+ }
+
+ return false ;
+ }
+ //-----------------------------------------------------------------------------------------------
+
+ return true ;
+}
+
+void LLImageGL::destroyGLTexture()
+{
+ checkActiveThread();
+
+ if (mTexName != 0)
+ {
+ if(mTextureMemory != S64Bytes(0))
+ {
+ mTextureMemory = (S64Bytes)0;
+ }
+
+ LLImageGL::deleteTextures(1, &mTexName);
+ mCurrentDiscardLevel = -1 ; //invalidate mCurrentDiscardLevel.
+ mTexName = 0;
+ mGLTextureCreated = false ;
+ }
+}
+
+//force to invalidate the gl texture, most likely a sculpty texture
+void LLImageGL::forceToInvalidateGLTexture()
+{
+ checkActiveThread();
+ if (mTexName != 0)
+ {
+ destroyGLTexture();
+ }
+ else
+ {
+ mCurrentDiscardLevel = -1 ; //invalidate mCurrentDiscardLevel.
+ }
+}
+
+//----------------------------------------------------------------------------
+
+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 (mTexName != 0 && 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;
+}
+
+S64 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);
+}
+
+S64 LLImageGL::getMipBytes(S32 discard_level) const
+{
+ if (discard_level < 0)
+ {
+ discard_level = mCurrentDiscardLevel;
+ }
+ S32 w = mWidth>>discard_level;
+ S32 h = mHeight>>discard_level;
+ S64 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 sLastFrameTime - mLastBindTime < 0.5f;
+}
+
+bool LLImageGL::getBoundRecently() const
+{
+ return (bool)(sLastFrameTime - mLastBindTime < MIN_TEXTURE_LIFETIME);
+}
+
+bool LLImageGL::getIsAlphaMask() const
+{
+ llassert_always(!sSkipAnalyzeAlpha);
+ return mIsMask;
+}
+
+void LLImageGL::setTarget(const LLGLenum target, const LLTexUnit::eTextureType bind_target)
+{
+ mTarget = target;
+ mBindTarget = bind_target;
+}
+
+const S8 INVALID_OFFSET = -99 ;
+void LLImageGL::setNeedsAlphaAndPickMask(bool need_mask)
+{
+ if(mNeedsAlphaAndPickMask != need_mask)
+ {
+ mNeedsAlphaAndPickMask = need_mask;
+
+ if(mNeedsAlphaAndPickMask)
+ {
+ mAlphaOffset = 0 ;
+ }
+ else //do not need alpha mask
+ {
+ mAlphaOffset = INVALID_OFFSET ;
+ mIsMask = false;
+ }
+ }
+}
+
+void LLImageGL::calcAlphaChannelOffsetAndStride()
+{
+ if(mAlphaOffset == INVALID_OFFSET)//do not need alpha mask
+ {
+ return ;
+ }
+
+ mAlphaStride = -1 ;
+ switch (mFormatPrimary)
+ {
+ case GL_LUMINANCE:
+ case GL_ALPHA:
+ mAlphaStride = 1;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ mAlphaStride = 2;
+ break;
+ case GL_RED:
+ case GL_RGB:
+ case GL_SRGB:
+ mNeedsAlphaAndPickMask = false;
+ mIsMask = false;
+ return; //no alpha channel.
+ case GL_RGBA:
+ case GL_SRGB_ALPHA:
+ mAlphaStride = 4;
+ break;
+ case GL_BGRA_EXT:
+ mAlphaStride = 4;
+ break;
+ default:
+ break;
+ }
+
+ mAlphaOffset = -1 ;
+ if (mFormatType == GL_UNSIGNED_BYTE)
+ {
+ mAlphaOffset = mAlphaStride - 1 ;
+ }
+ else if(is_little_endian())
+ {
+ if (mFormatType == GL_UNSIGNED_INT_8_8_8_8)
+ {
+ mAlphaOffset = 0 ;
+ }
+ else if (mFormatType == GL_UNSIGNED_INT_8_8_8_8_REV)
+ {
+ mAlphaOffset = 3 ;
+ }
+ }
+ else //big endian
+ {
+ if (mFormatType == GL_UNSIGNED_INT_8_8_8_8)
+ {
+ mAlphaOffset = 3 ;
+ }
+ else if (mFormatType == GL_UNSIGNED_INT_8_8_8_8_REV)
+ {
+ mAlphaOffset = 0 ;
+ }
+ }
+
+ if( mAlphaStride < 1 || //unsupported format
+ mAlphaOffset < 0 || //unsupported type
+ (mFormatPrimary == GL_BGRA_EXT && mFormatType != GL_UNSIGNED_BYTE)) //unknown situation
+ {
+ LL_WARNS() << "Cannot analyze alpha for image with format type " << std::hex << mFormatType << std::dec << LL_ENDL;
+
+ mNeedsAlphaAndPickMask = false ;
+ mIsMask = false;
+ }
+}
+
+void LLImageGL::analyzeAlpha(const void* data_in, U32 w, U32 h)
+{
+ if(sSkipAnalyzeAlpha || !mNeedsAlphaAndPickMask)
+ {
+ return ;
+ }
+
+ U32 length = w * h;
+ U32 alphatotal = 0;
+
+ U32 sample[16];
+ memset(sample, 0, sizeof(U32)*16);
+
+ // generate histogram of quantized alpha.
+ // also add-in the histogram of a 2x2 box-sampled version. The idea is
+ // this will mid-skew the data (and thus increase the chances of not
+ // being used as a mask) from high-frequency alpha maps which
+ // suffer the worst from aliasing when used as alpha masks.
+ if (w >= 2 && h >= 2)
+ {
+ llassert(w%2 == 0);
+ llassert(h%2 == 0);
+ const GLubyte* rowstart = ((const GLubyte*) data_in) + mAlphaOffset;
+ for (U32 y = 0; y < h; y+=2)
+ {
+ const GLubyte* current = rowstart;
+ for (U32 x = 0; x < w; x+=2)
+ {
+ const U32 s1 = current[0];
+ alphatotal += s1;
+ const U32 s2 = current[w * mAlphaStride];
+ alphatotal += s2;
+ current += mAlphaStride;
+ const U32 s3 = current[0];
+ alphatotal += s3;
+ const U32 s4 = current[w * mAlphaStride];
+ alphatotal += s4;
+ current += mAlphaStride;
+
+ ++sample[s1/16];
+ ++sample[s2/16];
+ ++sample[s3/16];
+ ++sample[s4/16];
+
+ const U32 asum = (s1+s2+s3+s4);
+ alphatotal += asum;
+ sample[asum/(16*4)] += 4;
+ }
+
+
+ rowstart += 2 * w * mAlphaStride;
+ }
+ length *= 2; // we sampled everything twice, essentially
+ }
+ else
+ {
+ const GLubyte* current = ((const GLubyte*) data_in) + mAlphaOffset;
+ for (U32 i = 0; i < length; i++)
+ {
+ const U32 s1 = *current;
+ alphatotal += s1;
+ ++sample[s1/16];
+ current += mAlphaStride;
+ }
+ }
+
+ // if more than 1/16th of alpha samples are mid-range, this
+ // shouldn't be treated as a 1-bit mask
+
+ // also, if all of the alpha samples are clumped on one half
+ // of the range (but not at an absolute extreme), then consider
+ // this to be an intentional effect and don't treat as a mask.
+
+ U32 midrangetotal = 0;
+ for (U32 i = 2; i < 13; i++)
+ {
+ midrangetotal += sample[i];
+ }
+ U32 lowerhalftotal = 0;
+ for (U32 i = 0; i < 8; i++)
+ {
+ lowerhalftotal += sample[i];
+ }
+ U32 upperhalftotal = 0;
+ for (U32 i = 8; i < 16; i++)
+ {
+ upperhalftotal += sample[i];
+ }
+
+ if (midrangetotal > length/48 || // lots of midrange, or
+ (lowerhalftotal == length && alphatotal != 0) || // all close to transparent but not all totally transparent, or
+ (upperhalftotal == length && alphatotal != 255*length)) // all close to opaque but not all totally opaque
+ {
+ mIsMask = false; // not suitable for masking
+ }
+ else
+ {
+ mIsMask = true;
+ }
+}
+
+//----------------------------------------------------------------------------
+U32 LLImageGL::createPickMask(S32 pWidth, S32 pHeight)
+{
+ U32 pick_width = pWidth/2 + 1;
+ U32 pick_height = pHeight/2 + 1;
+
+ U32 size = pick_width * pick_height;
+ size = (size + 7) / 8; // pixelcount-to-bits
+ mPickMask = new U8[size];
+ mPickMaskWidth = pick_width - 1;
+ mPickMaskHeight = pick_height - 1;
+
+ memset(mPickMask, 0, sizeof(U8) * size);
+
+ return size;
+}
+
+//----------------------------------------------------------------------------
+void LLImageGL::freePickMask()
+{
+ // pickmask validity depends on old image size, delete it
+ if (mPickMask != NULL)
+ {
+ delete [] mPickMask;
+ }
+ mPickMask = NULL;
+ mPickMaskWidth = mPickMaskHeight = 0;
+}
+
+bool LLImageGL::isCompressed()
+{
+ llassert(mFormatPrimary != 0);
+ // *NOTE: Not all compressed formats are included here.
+ bool is_compressed = false;
+ switch (mFormatPrimary)
+ {
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ is_compressed = true;
+ break;
+ default:
+ break;
+ }
+ return is_compressed;
+}
+
+//----------------------------------------------------------------------------
+void LLImageGL::updatePickMask(S32 width, S32 height, const U8* data_in)
+{
+ if(!mNeedsAlphaAndPickMask)
+ {
+ return ;
+ }
+
+ freePickMask();
+
+ if (mFormatType != GL_UNSIGNED_BYTE ||
+ ((mFormatPrimary != GL_RGBA)
+ && (mFormatPrimary != GL_SRGB_ALPHA)))
+ {
+ //cannot generate a pick mask for this texture
+ return;
+ }
+
+#ifdef SHOW_ASSERT
+ const U32 pickSize = createPickMask(width, height);
+#else // SHOW_ASSERT
+ createPickMask(width, height);
+#endif // SHOW_ASSERT
+
+ 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;
+ llassert(pick_idx < pickSize);
+
+ mPickMask[pick_idx] |= 1 << pick_offset;
+ }
+
+ ++pick_bit;
+ }
+ }
+}
+
+bool LLImageGL::getMask(const LLVector2 &tc)
+{
+ bool res = true;
+
+ if (mPickMask)
+ {
+ F32 u,v;
+ if (LL_LIKELY(tc.isFinite()))
+ {
+ u = tc.mV[0] - floorf(tc.mV[0]);
+ v = tc.mV[1] - floorf(tc.mV[1]);
+ }
+ else
+ {
+ LL_WARNS_ONCE("render") << "Ugh, non-finite u/v in mask pick" << LL_ENDL;
+ u = v = 0.f;
+ // removing assert per EXT-4388
+ // llassert(false);
+ }
+
+ if (LL_UNLIKELY(u < 0.f || u > 1.f ||
+ v < 0.f || v > 1.f))
+ {
+ LL_WARNS_ONCE("render") << "Ugh, u/v out of range in image mask pick" << LL_ENDL;
+ u = v = 0.f;
+ // removing assert per EXT-4388
+ // llassert(false);
+ }
+
+ S32 x = llfloor(u * mPickMaskWidth);
+ S32 y = llfloor(v * mPickMaskHeight);
+
+ if (LL_UNLIKELY(x > mPickMaskWidth))
+ {
+ LL_WARNS_ONCE("render") << "Ooh, width overrun on pick mask read, that coulda been bad." << LL_ENDL;
+ x = llmax((U16)0, mPickMaskWidth);
+ }
+ if (LL_UNLIKELY(y > mPickMaskHeight))
+ {
+ LL_WARNS_ONCE("render") << "Ooh, height overrun on pick mask read, that woulda been bad." << LL_ENDL;
+ y = llmax((U16)0, mPickMaskHeight);
+ }
+
+ S32 idx = y*mPickMaskWidth+x;
+ S32 offset = idx%8;
+
+ res = (mPickMask[idx/8] & (1 << offset)) != 0;
+ }
+
+ return res;
+}
+
+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 ;
+}
+//----------------------------------------------------------------------------
+#if LL_IMAGEGL_THREAD_CHECK
+void LLImageGL::checkActiveThread()
+{
+ llassert(mActiveThread == LLThread::currentID());
+}
+#endif
+
+//----------------------------------------------------------------------------
+
+
+// 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);
+*/
+
+LLImageGLThread::LLImageGLThread(LLWindow* window)
+ // We want exactly one thread.
+ : LL::ThreadPool("LLImageGL", 1)
+ , mWindow(window)
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ mFinished = false;
+
+ mContext = mWindow->createSharedContext();
+ LL::ThreadPool::start();
+}
+
+void LLImageGLThread::run()
+{
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE;
+ // We must perform setup on this thread before actually servicing our
+ // WorkQueue, likewise cleanup afterwards.
+ mWindow->makeContextCurrent(mContext);
+ gGL.init(false);
+ LL::ThreadPool::run();
+ gGL.shutdown();
+ mWindow->destroySharedContext(mContext);
+}
+
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