merge up to latest snowstorm integration branch

1 files changed, 199 insertions, 0 deletions

diff --git a/indra/llrender/llgltexture.h b/indra/llrender/llgltexture.h
new file mode 100644
index 0000000000..e69b322d60
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+++ b/indra/llrender/llgltexture.h
@@ -0,0 +1,199 @@
+/** 
+ * @file llglviewertexture.h
+ * @brief Object for managing opengl textures
+ *
+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+
+#ifndef LL_GL_TEXTURE_H
+#define LL_GL_TEXTURE_H
+
+#include "lltexture.h"
+#include "llgl.h"
+
+class LLImageRaw;
+
+//
+//this the parent for the class LLViewerTexture
+//through the following virtual functions, the class LLViewerTexture can be reached from /llrender.
+//
+class LLGLTexture : public LLTexture
+{
+public:
+	enum
+	{
+		MAX_IMAGE_SIZE_DEFAULT = 1024,
+		INVALID_DISCARD_LEVEL = 0x7fff
+	};
+
+	enum EBoostLevel
+	{
+		BOOST_NONE 			= 0,
+		BOOST_AVATAR_BAKED	,
+		BOOST_AVATAR		,
+		BOOST_CLOUDS		,
+		BOOST_SCULPTED      ,
+		
+		BOOST_HIGH 			= 10,
+		BOOST_BUMP          ,
+		BOOST_TERRAIN		, // has to be high priority for minimap / low detail
+		BOOST_SELECTED		,		
+		BOOST_AVATAR_BAKED_SELF	,
+		BOOST_AVATAR_SELF	, // needed for baking avatar
+		BOOST_SUPER_HIGH    , //textures higher than this need to be downloaded at the required resolution without delay.
+		BOOST_HUD			,
+		BOOST_ICON			,
+		BOOST_UI			,
+		BOOST_PREVIEW		,
+		BOOST_MAP			,
+		BOOST_MAP_VISIBLE	,		
+		BOOST_MAX_LEVEL,
+
+		//other texture Categories
+		LOCAL = BOOST_MAX_LEVEL,
+		AVATAR_SCRATCH_TEX,
+		DYNAMIC_TEX,
+		MEDIA,
+		ATLAS,
+		OTHER,
+		MAX_GL_IMAGE_CATEGORY
+	};
+
+	typedef enum 
+	{
+		DELETED = 0,         //removed from memory
+		DELETION_CANDIDATE,  //ready to be removed from memory
+		INACTIVE,            //not be used for the last certain period (i.e., 30 seconds).
+		ACTIVE,              //just being used, can become inactive if not being used for a certain time (10 seconds).
+		NO_DELETE = 99       //stay in memory, can not be removed.
+	} LLGLTextureState;
+
+	static S32 getTotalNumOfCategories() ;
+	static S32 getIndexFromCategory(S32 category) ;
+	static S32 getCategoryFromIndex(S32 index) ;
+
+protected:
+	virtual ~LLGLTexture();
+	LOG_CLASS(LLGLTexture);
+
+public:
+	LLGLTexture(BOOL usemipmaps = TRUE);
+	LLGLTexture(const LLImageRaw* raw, BOOL usemipmaps) ;
+	LLGLTexture(const U32 width, const U32 height, const U8 components, BOOL usemipmaps) ;
+
+	virtual void dump();	// debug info to llinfos
+
+	virtual const LLUUID& getID() const = 0;
+
+	void setBoostLevel(S32 level);
+	S32  getBoostLevel() { return mBoostLevel; }
+
+	S32 getFullWidth() const { return mFullWidth; }
+	S32 getFullHeight() const { return mFullHeight; }	
+
+	void generateGLTexture() ;
+	void destroyGLTexture() ;
+
+	//---------------------------------------------------------------------------------------------
+	//functions to access LLImageGL
+	//---------------------------------------------------------------------------------------------
+	/*virtual*/S32	       getWidth(S32 discard_level = -1) const;
+	/*virtual*/S32	       getHeight(S32 discard_level = -1) const;
+
+	BOOL       hasGLTexture() const ;
+	LLGLuint   getTexName() const ;		
+	BOOL       createGLTexture() ;
+	BOOL       createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S32 usename = 0, BOOL to_create = TRUE, S32 category = LLGLTexture::OTHER);
+
+	void       setFilteringOption(LLTexUnit::eTextureFilterOptions option);
+	void       setExplicitFormat(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format = 0, BOOL swap_bytes = FALSE);
+	void       setAddressMode(LLTexUnit::eTextureAddressMode mode);
+	BOOL       setSubImage(const LLImageRaw* imageraw, S32 x_pos, S32 y_pos, S32 width, S32 height);
+	BOOL       setSubImage(const U8* datap, S32 data_width, S32 data_height, S32 x_pos, S32 y_pos, S32 width, S32 height);
+	void       setGLTextureCreated (bool initialized);
+	void       setCategory(S32 category) ;
+
+	LLTexUnit::eTextureAddressMode getAddressMode(void) const ;
+	S32        getMaxDiscardLevel() const;
+	S32        getDiscardLevel() const;
+	S8         getComponents() const;
+	BOOL       getBoundRecently() const;
+	S32        getTextureMemory() const ;
+	LLGLenum   getPrimaryFormat() const;
+	BOOL       getIsAlphaMask() const ;
+	LLTexUnit::eTextureType getTarget(void) const ;
+	BOOL       getMask(const LLVector2 &tc);
+	F32        getTimePassedSinceLastBound();
+	BOOL       getMissed() const ;
+	BOOL       isJustBound()const ;
+	void       forceUpdateBindStats(void) const;
+
+	U32        getTexelsInAtlas() const ;
+	U32        getTexelsInGLTexture() const ;
+	BOOL       isGLTextureCreated() const ;
+	S32        getDiscardLevelInAtlas() const ;
+	LLGLTextureState getTextureState() const { return mTextureState; }
+	
+	//---------------------------------------------------------------------------------------------
+	//end of functions to access LLImageGL
+	//---------------------------------------------------------------------------------------------
+
+	//-----------------
+	/*virtual*/ void setActive() ;
+	void forceActive() ;
+	void setNoDelete() ;
+	void dontDiscard() { mDontDiscard = 1; mTextureState = NO_DELETE; }
+	BOOL getDontDiscard() const { return mDontDiscard; }
+	//-----------------	
+
+private:
+	void cleanup();
+	void init();
+
+protected:
+	void setTexelsPerImage();
+
+	//note: do not make this function public.
+	/*virtual*/ LLImageGL* getGLTexture() const ;
+
+protected:
+	S32 mBoostLevel;				// enum describing priority level
+	S32 mFullWidth;
+	S32 mFullHeight;
+	BOOL mUseMipMaps;
+	S8  mComponents;
+	F32 mTexelsPerImage;			// Texels per image.
+	mutable S8  mNeedsGLTexture;
+
+	//GL texture
+	LLPointer<LLImageGL> mGLTexturep ;
+	S8 mDontDiscard;			// Keep full res version of this image (for UI, etc)
+
+protected:
+	LLGLTextureState  mTextureState ;
+
+
+};
+
+#endif // LL_GL_TEXTURE_H
+