213 lines
7.0 KiB
C++
213 lines
7.0 KiB
C++
/**
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* @file llgltexture.h
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* @brief Object for managing opengl textures
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*
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* $LicenseInfo:firstyear=2012&license=viewerlgpl$
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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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#ifndef LL_GL_TEXTURE_H
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#define LL_GL_TEXTURE_H
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#include "lltexture.h"
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#include "llgl.h"
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class LLImageRaw;
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//
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//this the parent for the class LLViewerTexture
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//through the following virtual functions, the class LLViewerTexture can be reached from /llrender.
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//
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class LLGLTexture : public LLTexture
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{
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public:
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enum
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{
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MAX_IMAGE_SIZE_DEFAULT = 1024,
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INVALID_DISCARD_LEVEL = 0x7fff
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};
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enum EBoostLevel
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{
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BOOST_NONE = 0,
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BOOST_AVATAR ,
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BOOST_AVATAR_BAKED ,
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BOOST_SCULPTED ,
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BOOST_HIGH = 10,
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BOOST_BUMP ,
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BOOST_TERRAIN , // has to be high priority for minimap / low detail
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BOOST_SELECTED ,
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BOOST_AVATAR_BAKED_SELF ,
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BOOST_AVATAR_SELF , // needed for baking avatar
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BOOST_SUPER_HIGH , //textures higher than this need to be downloaded at the required resolution without delay.
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BOOST_HUD ,
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BOOST_ICON ,
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BOOST_THUMBNAIL ,
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BOOST_UI ,
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BOOST_PREVIEW ,
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BOOST_MAP ,
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BOOST_MAP_VISIBLE ,
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BOOST_MAX_LEVEL,
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//other texture Categories
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LOCAL = BOOST_MAX_LEVEL,
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AVATAR_SCRATCH_TEX,
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DYNAMIC_TEX,
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MEDIA,
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ATLAS,
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OTHER,
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MAX_GL_IMAGE_CATEGORY
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};
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typedef enum
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{
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DELETED = 0, //removed from memory
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DELETION_CANDIDATE, //ready to be removed from memory
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INACTIVE, //not be used for the last certain period (i.e., 30 seconds).
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ACTIVE, //just being used, can become inactive if not being used for a certain time (10 seconds).
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NO_DELETE = 99 //stay in memory, can not be removed.
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} LLGLTextureState;
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protected:
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virtual ~LLGLTexture();
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LOG_CLASS(LLGLTexture);
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public:
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LLGLTexture(BOOL usemipmaps = TRUE);
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LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps) ;
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LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps) ;
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virtual void dump(); // debug info to LL_INFOS()
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virtual const LLUUID& getID() const;
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void setBoostLevel(S32 level);
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S32 getBoostLevel() { return mBoostLevel; }
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S32 getFullWidth() const { return mFullWidth; }
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S32 getFullHeight() const { return mFullHeight; }
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void generateGLTexture() ;
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void destroyGLTexture() ;
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//---------------------------------------------------------------------------------------------
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//functions to access LLImageGL
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//---------------------------------------------------------------------------------------------
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/*virtual*/S32 getWidth(S32 discard_level = -1) const;
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/*virtual*/S32 getHeight(S32 discard_level = -1) const;
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BOOL hasGLTexture() const ;
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LLGLuint getTexName() const ;
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BOOL createGLTexture() ;
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// Create a GL Texture from an image raw
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// discard_level - mip level, 0 for highest resultion mip
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// imageraw - the image to copy from
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// usename - explicit GL name override
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// to_create - set to FALSE to force gl texture to not be created
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// category - LLGLTexture category for this LLGLTexture
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// defer_copy - set to true to allocate GL texture but NOT initialize with imageraw data
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// tex_name - if not null, will be set to the GL name of the texture created
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BOOL createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE, S32 category = LLGLTexture::OTHER, bool defer_copy = false, LLGLuint* tex_name = nullptr);
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void setFilteringOption(LLTexUnit::eTextureFilterOptions option);
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void setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format = 0, BOOL swap_bytes = FALSE);
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void setAddressMode(LLTexUnit::eTextureAddressMode mode);
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BOOL setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height, LLGLuint use_name = 0);
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BOOL setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height, LLGLuint use_name = 0);
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void setGLTextureCreated (bool initialized);
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void setCategory(S32 category) ;
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void setTexName(LLGLuint); // for forcing w/ externally created textures only
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void setTarget(const LLGLenum target, const LLTexUnit::eTextureType bind_target);
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LLTexUnit::eTextureAddressMode getAddressMode(void) const ;
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S32 getMaxDiscardLevel() const;
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S32 getDiscardLevel() const;
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S8 getComponents() const;
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BOOL getBoundRecently() const;
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S32Bytes getTextureMemory() const ;
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LLGLenum getPrimaryFormat() const;
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BOOL getIsAlphaMask() const ;
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LLTexUnit::eTextureType getTarget(void) const ;
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// [RLVa:KB] - Checked: RLVa-2.2 (@setoverlay)
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bool getMask(const LLVector2 &tc) const;
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// [/RLVa:KB]
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// BOOL getMask(const LLVector2 &tc);
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F32 getTimePassedSinceLastBound();
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BOOL getMissed() const ;
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BOOL isJustBound()const ;
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void forceUpdateBindStats(void) const;
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U32 getTexelsInAtlas() const ;
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U32 getTexelsInGLTexture() const ;
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BOOL isGLTextureCreated() const ;
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S32 getDiscardLevelInAtlas() const ;
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LLGLTextureState getTextureState() const { return mTextureState; }
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//---------------------------------------------------------------------------------------------
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//end of functions to access LLImageGL
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//---------------------------------------------------------------------------------------------
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//-----------------
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/*virtual*/ void setActive() ;
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void forceActive() ;
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void setNoDelete() ;
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void dontDiscard() { mDontDiscard = 1; mTextureState = NO_DELETE; }
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BOOL getDontDiscard() const { return mDontDiscard; }
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//-----------------
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private:
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void cleanup();
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void init();
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protected:
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void setTexelsPerImage();
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public:
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/*virtual*/ LLImageGL* getGLTexture() const ;
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protected:
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S32 mBoostLevel; // enum describing priority level
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U32 mFullWidth;
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U32 mFullHeight;
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BOOL mUseMipMaps;
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S8 mComponents;
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U32 mTexelsPerImage; // Texels per image.
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mutable S8 mNeedsGLTexture;
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//GL texture
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LLPointer<LLImageGL> mGLTexturep ;
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S8 mDontDiscard; // Keep full res version of this image (for UI, etc)
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protected:
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LLGLTextureState mTextureState ;
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// <FS>ND> Expose mipmap generation so we can check it for texture memory tax
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public:
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bool getUseMipMaps() const { return mUseMipMaps; }
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// </FS:ND>
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};
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#endif // LL_GL_TEXTURE_H
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