GLuint	texture[2];			LRESULT	CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);	// Declaration For WndProcAUX_RGBImageRec *LoadBMP(char *Filename)	// Loads A Bitmap Image{	FILE *File=NULL;									// File Handle	if (!Filename)										// Make Sure A Filename Was Given	{		return NULL;									// If Not Return NULL	}	File=fopen(Filename,"r");							// Check To See If The File Exists	if (File)											// Does The File Exist?	{		fclose(File);									// Close The Handle		return auxDIBImageLoad(Filename);				// Load The Bitmap And Return A Pointer	}	return NULL;										// If Load Failed Return NULL}int LoadGLTextures()									// Load Bitmaps And Convert To Textures{	int Status=FALSE;									// Status Indicator	AUX_RGBImageRec *TextureImage[1];					// Create Storage Space For The Texture	memset(TextureImage,0,sizeof(void *)*1);           	// Set The Pointer To NULL	// Load The Bitmap, Check For Errors, If Bitmap's Not Found Quit	if (TextureImage[0]=LoadBMP("Pic1.bmp"))	{		Status=TRUE;									// Set The Status To TRUE		glGenTextures(1, &texture[0]);					// Create The Texture		// Typical Texture Generation Using Data From The Bitmap		glBindTexture(GL_TEXTURE_2D, texture[0]);		glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);	}     if (TextureImage[1]=LoadBMP("Pic2.bmp"))	{		Status=TRUE;									// Set The Status To TRUE		glGenTextures(2, &texture[1]);					// Create The Texture		// Typical Texture Generation Using Data From The Bitmap		glBindTexture(GL_TEXTURE_2D, texture[1]);		glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[1]->sizeX, TextureImage[1]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[1]->data);		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);		glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);	}	if (TextureImage[0])									// If Texture Exists	{		if (TextureImage[0]->data)							// If Texture Image Exists		{			free(TextureImage[0]->data);					// Free The Texture Image Memory		}		free(TextureImage[0]);								// Free The Image Structure	}  	if (TextureImage[1])									// If Texture Exists	{		if (TextureImage[1]->data)							// If Texture Image Exists		{			free(TextureImage[1]->data);					// Free The Texture Image Memory		}		free(TextureImage[1]);								// Free The Image Structure	}	return Status;										// Return The Status}

// enable texturing - texturing is enabled, texture is unknown, colour is whiteglEnable(GL_TEXTURE_2D);// bind texture - texturing is enabled, texture is firstTexture, colour is whiteglBindTexture(GL_TEXTURE_2D, firstTexture);// render object - texturing is enabled, texture is firstTexture, colour is whitetexturedObject.render();// disable texturing - texturing is disabled, texture is firstTexture, colour is whiteglDisable(GL_TEXTURE_2D);// set colour - texturing is disabled, texture is firstTexture, colour is objectColourglColor3fv(objectColour);// render object - texturing is disabled, texture is firstTexture, colour is objectColourcolouredObject.render();// enable texturing - texturing is enabled, texture is firstTexture, colour is objectColourglEnable(GL_TEXTURE_2D);// bind texture - texturing is enabled, texture is secondTexture, colour is objectColourglBindTexture(GL_TEXTURE_2D, secondTexture);// render object - texturing is enabled, texture is secondTexture, colour is objectColourcolouredTexturedObject.render();// disable texturing - texturing is disabled, texture is secondTexture, colour is objectColourglDisable(GL_TEXTURE_2D);// set colour - texturing is disabled, texture is secondTexture, colour is whiteglColor3f(1, 1, 1);