Example usage for org.lwjgl.opengl GL15 glMapBuffer

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL15 glMapBuffer.

Prototype

@Nullable
@NativeType("void *")
public static ByteBuffer glMapBuffer(@NativeType("GLenum") int target, @NativeType("GLenum") int access) 

Source Link

Document

Maps a buffer object's data store.

Usage

From source file:ar.com.quark.backend.lwjgl.opengl.DesktopGLES20.java

License:Apache License

/**
 * {@inheritDoc}//from   w  ww .  ja v a 2s.c  o m
 */
@Override
public <T extends Array<?>> T glMapBuffer(int target, int access, int format) {
    switch (format) {
    case GL_UNSIGNED_BYTE:
        return (T) new DesktopArrayFactory.DesktopUInt8Array(GL15.glMapBuffer(target, access));
    case GL_UNSIGNED_SHORT:
        return (T) new DesktopArrayFactory.DesktopUInt16Array(GL15.glMapBuffer(target, access));
    case GL_UNSIGNED_INT:
        return (T) new DesktopArrayFactory.DesktopUInt32Array(GL15.glMapBuffer(target, access));
    case GL_BYTE:
        return (T) new DesktopArrayFactory.DesktopInt8Array(GL15.glMapBuffer(target, access));
    case GL_SHORT:
        return (T) new DesktopArrayFactory.DesktopInt16Array(GL15.glMapBuffer(target, access));
    case GL_INT:
        return (T) new DesktopArrayFactory.DesktopInt32Array(GL15.glMapBuffer(target, access));
    case GL_HALF_FLOAT:
        return (T) new DesktopArrayFactory.DesktopFloat16Array(GL15.glMapBuffer(target, access));
    case GL_FLOAT:
        return (T) new DesktopArrayFactory.DesktopFloat32Array(GL15.glMapBuffer(target, access));
    }
    throw new IllegalArgumentException("Format unsupported");
}

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From source file:go.graphics.swing.opengl.LWJGLDrawContext.java

License:Open Source License

@Override
public GLBuffer startWriteGeometry(GeometryHandle geometry) throws IllegalBufferException {
    if (canUseVBOs) {
        bindArrayBuffer(geometry);/*from   w  w  w . j  av  a  2s .c  o m*/
        ByteBuffer buffer = GL15.glMapBuffer(GL15.GL_ARRAY_BUFFER, GL15.GL_WRITE_ONLY)
                .order(ByteOrder.nativeOrder());
        return new GLByteBufferWrapper(buffer);

    } else {
        return new GLByteBufferWrapper(getGeometryBuffer(geometry));
    }
}

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