com.yy.videoplayer.vr.util

Class GLUtil

java.lang.Object

com.yy.videoplayer.vr.util.GLUtil

public class GLUtil
extends java.lang.Object

Created by nitro888 on 15. 4. 5.. modify by hzqiujiadi on 16/1/22. hzqiujiadi ashqalcn@gmail.com

Constructor Summary

Constructors

Constructor and Description
GLUtil()

Method Summary

Modifier and Type	Method and Description
static int	compileShader(int shaderType, java.lang.String shaderSource) Helper function to compile a shader.
static int	createAndLinkProgram(int vertexShaderHandle, int fragmentShaderHandle, java.lang.String[] attributes) Helper function to compile and link a program.
static void	glCheck(java.lang.String op)
static void	loadObject3D(android.content.Context context, int resourceId, VRAbsObject3D output)
static java.lang.String	readTextFileFromRaw(android.content.Context context, int resourceId)
static boolean	supportsEs2(android.content.Context context) Check if the system supports OpenGL ES 2.0.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GLUtil

public GLUtil()

Method Detail

supportsEs2

public static boolean supportsEs2(android.content.Context context)

Check if the system supports OpenGL ES 2.0.

Parameters:

context -

Returns:

true:supported

glCheck

public static void glCheck(java.lang.String op)

readTextFileFromRaw

public static java.lang.String readTextFileFromRaw(android.content.Context context,
                                                   int resourceId)

loadObject3D

public static void loadObject3D(android.content.Context context,
                                int resourceId,
                                VRAbsObject3D output)

compileShader

public static int compileShader(int shaderType,
                                java.lang.String shaderSource)

Helper function to compile a shader.

Parameters:

shaderType - The shader type.

shaderSource - The shader source code.

Returns:

An OpenGL handle to the shader.

createAndLinkProgram

public static int createAndLinkProgram(int vertexShaderHandle,
                                       int fragmentShaderHandle,
                                       java.lang.String[] attributes)

Helper function to compile and link a program.

Parameters:

vertexShaderHandle - An OpenGL handle to an already-compiled vertex shader.

fragmentShaderHandle - An OpenGL handle to an already-compiled fragment shader.

attributes - Attributes that need to be bound to the program.

Returns:

An OpenGL handle to the program.