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/**
* @file lldynamictexture.h
* @brief Implementation of LLDynamicTexture class
*
* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#ifndef LL_LLDYNAMICTEXTURE_H
#define LL_LLDYNAMICTEXTURE_H
#include "llgl.h"
#include "linked_lists.h"
#include "llcamera.h"
#include "llcoord.h"
#include "llimagegl.h"
class LLDynamicTexture
{
public:
enum EOrder { ORDER_FIRST = 0, ORDER_MIDDLE = 1, ORDER_LAST = 2, ORDER_RESET = 3, ORDER_COUNT = 4 };
LLDynamicTexture(S32 width,
S32 height,
S32 components, // = 4,
EOrder order, // = ORDER_MIDDLE,
BOOL clamp);
virtual ~LLDynamicTexture();
S32 getOriginX() { return mOrigin.mX; }
S32 getOriginY() { return mOrigin.mY; }
S32 getWidth() { return mWidth; }
S32 getHeight() { return mHeight; }
S32 getComponents() { return mComponents; }
S32 getSize() { return mWidth * mHeight * mComponents; }
virtual BOOL needsRender() { return TRUE; }
virtual void preRender(BOOL clear_depth = TRUE);
virtual BOOL render();
virtual void postRender(BOOL success);
virtual void bindTexture();
virtual void unbindTexture();
static BOOL updateAllInstances();
static void destroyGL();
static void restoreGL();
protected:
void generateGLTexture();
void generateGLTexture(LLGLint internal_format, LLGLenum primary_format, LLGLenum type_format, BOOL swap_bytes = FALSE);
protected:
S32 mWidth;
S32 mHeight;
S32 mComponents;
LLPointer<LLImageGL> mTexture;
F32 mLastBindTime;
BOOL mClamp;
LLCoordGL mOrigin;
LLCamera mCamera;
static LLLinkedList<LLDynamicTexture> sInstances[ LLDynamicTexture::ORDER_COUNT ];
static S32 sNumRenders;
};
#endif
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