diff options
Diffstat (limited to 'indra/llrender/llgltexture.cpp')
| -rw-r--r-- | indra/llrender/llgltexture.cpp | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/indra/llrender/llgltexture.cpp b/indra/llrender/llgltexture.cpp new file mode 100644 index 0000000000..d06ed5e57b --- /dev/null +++ b/indra/llrender/llgltexture.cpp @@ -0,0 +1,396 @@ +/** + * @file llgltexture.cpp + * @brief Opengl texture implementation + * + * $LicenseInfo:firstyear=2000&license=viewerlgpl$ + * 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 + * $/LicenseInfo$ + */ +#include "linden_common.h" +#include "llgltexture.h" + + +// static +S32 LLGLTexture::getTotalNumOfCategories() +{ + return MAX_GL_IMAGE_CATEGORY - (BOOST_HIGH - BOOST_SCULPTED) + 2 ; +} + +// static +//index starts from zero. +S32 LLGLTexture::getIndexFromCategory(S32 category) +{ + return (category < BOOST_HIGH) ? category : category - (BOOST_HIGH - BOOST_SCULPTED) + 1 ; +} + +//static +S32 LLGLTexture::getCategoryFromIndex(S32 index) +{ + return (index < BOOST_HIGH) ? index : index + (BOOST_HIGH - BOOST_SCULPTED) - 1 ; +} + +LLGLTexture::LLGLTexture(BOOL usemipmaps) +{ + init(); + mUseMipMaps = usemipmaps; +} + +LLGLTexture::LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps) +{ + init(); + mFullWidth = width ; + mFullHeight = height ; + mUseMipMaps = usemipmaps; + mComponents = components ; + setTexelsPerImage(); +} + +LLGLTexture::LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps) +{ + init(); + mUseMipMaps = usemipmaps ; + // Create an empty image of the specified size and width + mGLTexturep = new LLImageGL(raw, usemipmaps) ; +} + +LLGLTexture::~LLGLTexture() +{ + cleanup(); +} + +void LLGLTexture::init() +{ + mBoostLevel = LLGLTexture::BOOST_NONE; + + mFullWidth = 0; + mFullHeight = 0; + mTexelsPerImage = 0 ; + mUseMipMaps = FALSE ; + mComponents = 0 ; + + mTextureState = NO_DELETE ; + mDontDiscard = FALSE; + mNeedsGLTexture = FALSE ; +} + +void LLGLTexture::cleanup() +{ + if(mGLTexturep) + { + mGLTexturep->cleanup(); + } +} + +// virtual +void LLGLTexture::dump() +{ + if(mGLTexturep) + { + mGLTexturep->dump(); + } +} + +void LLGLTexture::setBoostLevel(S32 level) +{ + if(mBoostLevel != level) + { + mBoostLevel = level ; + if(mBoostLevel != LLGLTexture::BOOST_NONE) + { + setNoDelete() ; + } + } +} + +void LLGLTexture::forceActive() +{ + mTextureState = ACTIVE ; +} + +void LLGLTexture::setActive() +{ + if(mTextureState != NO_DELETE) + { + mTextureState = ACTIVE ; + } +} + +//set the texture to stay in memory +void LLGLTexture::setNoDelete() +{ + mTextureState = NO_DELETE ; +} + +void LLGLTexture::generateGLTexture() +{ + if(mGLTexturep.isNull()) + { + mGLTexturep = new LLImageGL(mFullWidth, mFullHeight, mComponents, mUseMipMaps) ; + } +} + +LLImageGL* LLGLTexture::getGLTexture() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep ; +} + +BOOL LLGLTexture::createGLTexture() +{ + if(mGLTexturep.isNull()) + { + generateGLTexture() ; + } + + return mGLTexturep->createGLTexture() ; +} + +BOOL LLGLTexture::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename, BOOL to_create, S32 category) +{ + llassert(mGLTexturep.notNull()) ; + + BOOL ret = mGLTexturep->createGLTexture(discard_level, imageraw, usename, to_create, category) ; + + if(ret) + { + mFullWidth = mGLTexturep->getCurrentWidth() ; + mFullHeight = mGLTexturep->getCurrentHeight() ; + mComponents = mGLTexturep->getComponents() ; + setTexelsPerImage(); + } + + return ret ; +} + +void LLGLTexture::setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes) +{ + llassert(mGLTexturep.notNull()) ; + + mGLTexturep->setExplicitFormat(internal_format, primary_format, type_format, swap_bytes) ; +} +void LLGLTexture::setAddressMode(LLTexUnit::eTextureAddressMode mode) +{ + llassert(mGLTexturep.notNull()) ; + mGLTexturep->setAddressMode(mode) ; +} +void LLGLTexture::setFilteringOption(LLTexUnit::eTextureFilterOptions option) +{ + llassert(mGLTexturep.notNull()) ; + mGLTexturep->setFilteringOption(option) ; +} + +//virtual +S32 LLGLTexture::getWidth(S32 discard_level) const +{ + llassert(mGLTexturep.notNull()) ; + return mGLTexturep->getWidth(discard_level) ; +} + +//virtual +S32 LLGLTexture::getHeight(S32 discard_level) const +{ + llassert(mGLTexturep.notNull()) ; + return mGLTexturep->getHeight(discard_level) ; +} + +S32 LLGLTexture::getMaxDiscardLevel() const +{ + llassert(mGLTexturep.notNull()) ; + return mGLTexturep->getMaxDiscardLevel() ; +} +S32 LLGLTexture::getDiscardLevel() const +{ + llassert(mGLTexturep.notNull()) ; + return mGLTexturep->getDiscardLevel() ; +} +S8 LLGLTexture::getComponents() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getComponents() ; +} + +LLGLuint LLGLTexture::getTexName() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getTexName() ; +} + +BOOL LLGLTexture::hasGLTexture() const +{ + if(mGLTexturep.notNull()) + { + return mGLTexturep->getHasGLTexture() ; + } + return FALSE ; +} + +BOOL LLGLTexture::getBoundRecently() const +{ + if(mGLTexturep.notNull()) + { + return mGLTexturep->getBoundRecently() ; + } + return FALSE ; +} + +LLTexUnit::eTextureType LLGLTexture::getTarget(void) const +{ + llassert(mGLTexturep.notNull()) ; + return mGLTexturep->getTarget() ; +} + +BOOL LLGLTexture::setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height) +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->setSubImage(imageraw, x_pos, y_pos, width, height) ; +} + +BOOL LLGLTexture::setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height) +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->setSubImage(datap, data_width, data_height, x_pos, y_pos, width, height) ; +} + +void LLGLTexture::setGLTextureCreated (bool initialized) +{ + llassert(mGLTexturep.notNull()) ; + + mGLTexturep->setGLTextureCreated (initialized) ; +} + +void LLGLTexture::setCategory(S32 category) +{ + llassert(mGLTexturep.notNull()) ; + + mGLTexturep->setCategory(category) ; +} + +LLTexUnit::eTextureAddressMode LLGLTexture::getAddressMode(void) const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getAddressMode() ; +} + +S32 LLGLTexture::getTextureMemory() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->mTextureMemory ; +} + +LLGLenum LLGLTexture::getPrimaryFormat() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getPrimaryFormat() ; +} + +BOOL LLGLTexture::getIsAlphaMask() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getIsAlphaMask() ; +} + +BOOL LLGLTexture::getMask(const LLVector2 &tc) +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getMask(tc) ; +} + +F32 LLGLTexture::getTimePassedSinceLastBound() +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getTimePassedSinceLastBound() ; +} +BOOL LLGLTexture::getMissed() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getMissed() ; +} + +BOOL LLGLTexture::isJustBound() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->isJustBound() ; +} + +void LLGLTexture::forceUpdateBindStats(void) const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->forceUpdateBindStats() ; +} + +U32 LLGLTexture::getTexelsInAtlas() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getTexelsInAtlas() ; +} + +U32 LLGLTexture::getTexelsInGLTexture() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getTexelsInGLTexture() ; +} + +BOOL LLGLTexture::isGLTextureCreated() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->isGLTextureCreated() ; +} + +S32 LLGLTexture::getDiscardLevelInAtlas() const +{ + llassert(mGLTexturep.notNull()) ; + + return mGLTexturep->getDiscardLevelInAtlas() ; +} + +void LLGLTexture::destroyGLTexture() +{ + if(mGLTexturep.notNull() && mGLTexturep->getHasGLTexture()) + { + mGLTexturep->destroyGLTexture() ; + mTextureState = DELETED ; + } +} + +void LLGLTexture::setTexelsPerImage() +{ + S32 fullwidth = llmin(mFullWidth,(S32)MAX_IMAGE_SIZE_DEFAULT); + S32 fullheight = llmin(mFullHeight,(S32)MAX_IMAGE_SIZE_DEFAULT); + mTexelsPerImage = (F32)fullwidth * fullheight; +} + + |