398 lines
8.4 KiB
C++
398 lines
8.4 KiB
C++
/**
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* @file llgltexture.cpp
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* @brief Opengl texture implementation
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*
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* $LicenseInfo:firstyear=2000&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llgltexture.h"
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// static
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S32 LLGLTexture::getTotalNumOfCategories()
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{
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return MAX_GL_IMAGE_CATEGORY - (BOOST_HIGH - BOOST_SCULPTED) + 2 ;
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}
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// static
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//index starts from zero.
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S32 LLGLTexture::getIndexFromCategory(S32 category)
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{
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return (category < BOOST_HIGH) ? category : category - (BOOST_HIGH - BOOST_SCULPTED) + 1 ;
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}
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//static
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S32 LLGLTexture::getCategoryFromIndex(S32 index)
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{
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return (index < BOOST_HIGH) ? index : index + (BOOST_HIGH - BOOST_SCULPTED) - 1 ;
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}
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LLGLTexture::LLGLTexture(BOOL usemipmaps)
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{
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init();
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mUseMipMaps = usemipmaps;
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}
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LLGLTexture::LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps)
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{
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init();
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mFullWidth = width ;
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mFullHeight = height ;
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mUseMipMaps = usemipmaps ;
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mComponents = components ;
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setTexelsPerImage();
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}
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LLGLTexture::LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps)
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{
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init();
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mUseMipMaps = usemipmaps ;
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// Create an empty image of the specified size and width
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mGLTexturep = new LLImageGL(raw, usemipmaps) ;
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}
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LLGLTexture::~LLGLTexture()
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{
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cleanup();
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}
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void LLGLTexture::init()
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{
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mBoostLevel = LLGLTexture::BOOST_NONE;
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mFullWidth = 0;
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mFullHeight = 0;
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mTexelsPerImage = 0 ;
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mUseMipMaps = FALSE ;
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mComponents = 0 ;
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mTextureState = NO_DELETE ;
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mDontDiscard = FALSE;
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mNeedsGLTexture = FALSE ;
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}
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void LLGLTexture::cleanup()
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{
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if(mGLTexturep)
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{
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mGLTexturep->cleanup();
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}
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}
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// virtual
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void LLGLTexture::dump()
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{
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if(mGLTexturep)
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{
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mGLTexturep->dump();
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}
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}
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void LLGLTexture::setBoostLevel(S32 level)
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{
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if(mBoostLevel != level)
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{
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mBoostLevel = level ;
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if(mBoostLevel != LLGLTexture::BOOST_NONE)
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{
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setNoDelete() ;
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}
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if(gAuditTexture)
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{
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setCategory(mBoostLevel);
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}
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}
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}
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void LLGLTexture::forceActive()
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{
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mTextureState = ACTIVE ;
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}
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void LLGLTexture::setActive()
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{
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if(mTextureState != NO_DELETE)
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{
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mTextureState = ACTIVE ;
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}
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}
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//set the texture to stay in memory
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void LLGLTexture::setNoDelete()
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{
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mTextureState = NO_DELETE ;
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}
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void LLGLTexture::generateGLTexture()
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{
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if(mGLTexturep.isNull())
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{
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mGLTexturep = new LLImageGL(mFullWidth, mFullHeight, mComponents, mUseMipMaps) ;
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}
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}
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LLImageGL* LLGLTexture::getGLTexture() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep ;
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}
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BOOL LLGLTexture::createGLTexture()
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{
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if(mGLTexturep.isNull())
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{
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generateGLTexture() ;
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}
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return mGLTexturep->createGLTexture() ;
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}
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BOOL LLGLTexture::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename, BOOL to_create, S32 category)
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{
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llassert(mGLTexturep.notNull()) ;
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BOOL ret = mGLTexturep->createGLTexture(discard_level, imageraw, usename, to_create, category) ;
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if(ret)
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{
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mFullWidth = mGLTexturep->getCurrentWidth() ;
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mFullHeight = mGLTexturep->getCurrentHeight() ;
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mComponents = mGLTexturep->getComponents() ;
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setTexelsPerImage();
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}
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return ret ;
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}
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void LLGLTexture::setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes)
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{
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llassert(mGLTexturep.notNull()) ;
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mGLTexturep->setExplicitFormat(internal_format, primary_format, type_format, swap_bytes) ;
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}
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void LLGLTexture::setAddressMode(LLTexUnit::eTextureAddressMode mode)
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{
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llassert(mGLTexturep.notNull()) ;
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mGLTexturep->setAddressMode(mode) ;
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}
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void LLGLTexture::setFilteringOption(LLTexUnit::eTextureFilterOptions option)
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{
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llassert(mGLTexturep.notNull()) ;
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mGLTexturep->setFilteringOption(option) ;
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}
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//virtual
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S32 LLGLTexture::getWidth(S32 discard_level) const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getWidth(discard_level) ;
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}
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//virtual
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S32 LLGLTexture::getHeight(S32 discard_level) const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getHeight(discard_level) ;
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}
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S32 LLGLTexture::getMaxDiscardLevel() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getMaxDiscardLevel() ;
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}
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S32 LLGLTexture::getDiscardLevel() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getDiscardLevel() ;
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}
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S8 LLGLTexture::getComponents() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getComponents() ;
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}
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LLGLuint LLGLTexture::getTexName() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getTexName() ;
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}
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BOOL LLGLTexture::hasGLTexture() const
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{
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if(mGLTexturep.notNull())
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{
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return mGLTexturep->getHasGLTexture() ;
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}
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return FALSE ;
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}
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BOOL LLGLTexture::getBoundRecently() const
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{
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if(mGLTexturep.notNull())
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{
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return mGLTexturep->getBoundRecently() ;
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}
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return FALSE ;
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}
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LLTexUnit::eTextureType LLGLTexture::getTarget(void) const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getTarget() ;
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}
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BOOL LLGLTexture::setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height, bool fast_update)
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->setSubImage(imageraw, x_pos, y_pos, width, height, fast_update) ;
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}
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BOOL LLGLTexture::setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height, bool fast_update)
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->setSubImage(datap, data_width, data_height, x_pos, y_pos, width, height, fast_update) ;
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}
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void LLGLTexture::setGLTextureCreated (bool initialized)
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{
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llassert(mGLTexturep.notNull()) ;
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mGLTexturep->setGLTextureCreated (initialized) ;
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}
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void LLGLTexture::setCategory(S32 category)
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{
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llassert(mGLTexturep.notNull()) ;
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mGLTexturep->setCategory(category) ;
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}
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LLTexUnit::eTextureAddressMode LLGLTexture::getAddressMode(void) const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getAddressMode() ;
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}
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S32 LLGLTexture::getTextureMemory() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->mTextureMemory ;
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}
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LLGLenum LLGLTexture::getPrimaryFormat() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getPrimaryFormat() ;
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}
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BOOL LLGLTexture::getIsAlphaMask(const F32 max_rmse) const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getIsAlphaMask(max_rmse) ;
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}
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BOOL LLGLTexture::getMask(const LLVector2 &tc)
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getMask(tc) ;
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}
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F32 LLGLTexture::getTimePassedSinceLastBound()
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getTimePassedSinceLastBound() ;
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}
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BOOL LLGLTexture::getMissed() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getMissed() ;
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}
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BOOL LLGLTexture::isJustBound() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->isJustBound() ;
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}
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void LLGLTexture::forceUpdateBindStats(void) const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->forceUpdateBindStats() ;
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}
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/*U32 LLGLTexture::getTexelsInAtlas() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getTexelsInAtlas() ;
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}
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U32 LLGLTexture::getTexelsInGLTexture() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getTexelsInGLTexture() ;
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}
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BOOL LLGLTexture::isGLTextureCreated() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->isGLTextureCreated() ;
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}
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S32 LLGLTexture::getDiscardLevelInAtlas() const
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{
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llassert(mGLTexturep.notNull()) ;
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return mGLTexturep->getDiscardLevelInAtlas() ;
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}*/
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void LLGLTexture::destroyGLTexture()
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{
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if(mGLTexturep.notNull() && mGLTexturep->getHasGLTexture())
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{
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mGLTexturep->destroyGLTexture() ;
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mTextureState = DELETED ;
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}
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}
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void LLGLTexture::setTexelsPerImage()
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{
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S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT);
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S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT);
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mTexelsPerImage = (F32)fullwidth * fullheight;
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} |