public class

GLHelper

extends Object

java.lang.Object
↳	org.anddev.andengine.opengl.util.GLHelper

Class Overview

Summary

Constants
int	BYTES_PER_FLOAT
int	BYTES_PER_PIXEL_RGBA

Fields
public static boolean	EXTENSIONS_DRAWTEXTURE
public static boolean	EXTENSIONS_TEXTURE_NON_POWER_OF_TWO
public static boolean	EXTENSIONS_VERTEXBUFFEROBJECTS

Public Constructors
	GLHelper()

Public Methods
static void	bindBuffer(GL11 pGL11, int pHardwareBufferID)
static void	bindTexture(GL10 pGL, int pHardwareTextureID)
static void	blendFunction(GL10 pGL, int pSourceBlendMode, int pDestinationBlendMode)
static void	bufferData(GL11 pGL11, ByteBuffer pByteBuffer, int pUsage)
static void	checkGLError(GL10 pGL)
static void	deleteBuffer(GL11 pGL11, int pHardwareBufferID)
static void	deleteTexture(GL10 pGL, int pHardwareTextureID)
static void	disableBlend(GL10 pGL)
static void	disableCulling(GL10 pGL)
static void	disableDepthTest(GL10 pGL)
static void	disableDither(GL10 pGL)
static void	disableLightning(GL10 pGL)
static void	disableMultisample(GL10 pGL)
static void	disableScissorTest(GL10 pGL)
static void	disableTexCoordArray(GL10 pGL)
static void	disableTextures(GL10 pGL)
static void	disableVertexArray(GL10 pGL)
static void	enableBlend(GL10 pGL)
static void	enableCulling(GL10 pGL)
static void	enableDepthTest(GL10 pGL)
static void	enableDither(GL10 pGL)
static void	enableExtensions(GL10 pGL, RenderOptions pRenderOptions)
static void	enableLightning(GL10 pGL)
static void	enableMultisample(GL10 pGL)
static void	enableScissorTest(GL10 pGL)
static void	enableTexCoordArray(GL10 pGL)
static void	enableTextures(GL10 pGL)
static void	enableVertexArray(GL10 pGL)
static void	forceBindTexture(GL10 pGL, int pHardwareTextureID)
static int[]	getPixelsARGB_8888(Bitmap pBitmap)
static void	glTexImage2D(GL10 pGL, int pTarget, int pLevel, Bitmap pBitmap, int pBorder, Texture.PixelFormat pPixelFormat) Note: does not pre-multiply the alpha channel! Except that difference, same as: `texSubImage2D(int, int, int, int, Bitmap, int, int)` See topic: 'PNG loading that doesn't premultiply alpha?'
static void	glTexSubImage2D(GL10 pGL, int pTarget, int pLevel, int pXOffset, int pYOffset, Bitmap pBitmap, Texture.PixelFormat pPixelFormat) Note: does not pre-multiply the alpha channel! Except that difference, same as: `texSubImage2D(int, int, int, int, Bitmap, int, int)` See topic: 'PNG loading that doesn't premultiply alpha?'
static void	lineWidth(GL10 pGL, float pLineWidth)
static void	reset(GL10 pGL)
static void	setColor(GL10 pGL, float pRed, float pGreen, float pBlue, float pAlpha)
static void	setModelViewIdentityMatrix(GL10 pGL)
static void	setPerspectiveCorrectionHintFastest(GL10 pGL)
static void	setProjectionIdentityMatrix(GL10 pGL)
static void	setShadeModelFlat(GL10 pGL)
static void	switchToModelViewMatrix(GL10 pGL)
static void	switchToProjectionMatrix(GL10 pGL)
static void	texCoordPointer(GL10 pGL, FastFloatBuffer pTextureFloatBuffer)
static void	texCoordZeroPointer(GL11 pGL11)
static void	vertexPointer(GL10 pGL, FastFloatBuffer pVertexFloatBuffer)
static void	vertexZeroPointer(GL11 pGL11)

[Expand]

Inherited Methods

From class java.lang.Object

Constants

public static final int BYTES_PER_FLOAT

Constant Value: 4 (0x00000004)

public static final int BYTES_PER_PIXEL_RGBA

Constant Value: 4 (0x00000004)

Fields

public static boolean EXTENSIONS_DRAWTEXTURE

public static boolean EXTENSIONS_TEXTURE_NON_POWER_OF_TWO

public static boolean EXTENSIONS_VERTEXBUFFEROBJECTS

Public Constructors

public GLHelper ()

Public Methods

public static void bindBuffer (GL11 pGL11, int pHardwareBufferID)

public static void bindTexture (GL10 pGL, int pHardwareTextureID)

public static void blendFunction (GL10 pGL, int pSourceBlendMode, int pDestinationBlendMode)

public static void bufferData (GL11 pGL11, ByteBuffer pByteBuffer, int pUsage)

public static void checkGLError (GL10 pGL)

Throws

GLException

public static void deleteBuffer (GL11 pGL11, int pHardwareBufferID)

public static void deleteTexture (GL10 pGL, int pHardwareTextureID)

public static void disableBlend (GL10 pGL)

public static void disableCulling (GL10 pGL)

public static void disableDepthTest (GL10 pGL)

public static void disableDither (GL10 pGL)

public static void disableLightning (GL10 pGL)

public static void disableMultisample (GL10 pGL)

public static void disableScissorTest (GL10 pGL)

public static void disableTexCoordArray (GL10 pGL)

public static void disableTextures (GL10 pGL)

public static void disableVertexArray (GL10 pGL)

public static void enableBlend (GL10 pGL)

public static void enableCulling (GL10 pGL)

public static void enableDepthTest (GL10 pGL)

public static void enableDither (GL10 pGL)

public static void enableExtensions (GL10 pGL, RenderOptions pRenderOptions)

public static void enableLightning (GL10 pGL)

public static void enableMultisample (GL10 pGL)

public static void enableScissorTest (GL10 pGL)

public static void enableTexCoordArray (GL10 pGL)

public static void enableTextures (GL10 pGL)

public static void enableVertexArray (GL10 pGL)

public static void forceBindTexture (GL10 pGL, int pHardwareTextureID)

public static int[] getPixelsARGB_8888 (Bitmap pBitmap)

public static void glTexImage2D (GL10 pGL, int pTarget, int pLevel, Bitmap pBitmap, int pBorder, Texture.PixelFormat pPixelFormat)

Note: does not pre-multiply the alpha channel!
Except that difference, same as: texSubImage2D(int, int, int, int, Bitmap, int, int)

See topic: 'PNG loading that doesn't premultiply alpha?'

public static void glTexSubImage2D (GL10 pGL, int pTarget, int pLevel, int pXOffset, int pYOffset, Bitmap pBitmap, Texture.PixelFormat pPixelFormat)