Example usage for org.lwjgl.opengl EXTStencilTwoSide glActiveStencilFaceEXT

Introduction

In this page you can find the example usage for org.lwjgl.opengl EXTStencilTwoSide glActiveStencilFaceEXT.

Prototype

public static native void glActiveStencilFaceEXT(@NativeType("GLenum") int face);

Source Link

Usage

From source file:com.ardor3d.scene.state.lwjgl.LwjglStencilStateUtil.java

License:Open Source License

public static void apply(final StencilState state) {
    // ask for the current state record
    final RenderContext context = ContextManager.getCurrentContext();
    final ContextCapabilities caps = context.getCapabilities();
    final StencilStateRecord record = (StencilStateRecord) context.getStateRecord(StateType.Stencil);
    context.setCurrentState(StateType.Stencil, state);

    setEnabled(state.isEnabled(), caps.isTwoSidedStencilSupported() ? state.isUseTwoSided() : false, record,
            caps);//  ww  w. j av  a 2  s.com
    if (state.isEnabled()) {
        if (state.isUseTwoSided() && caps.isTwoSidedStencilSupported()) {
            EXTStencilTwoSide.glActiveStencilFaceEXT(GL11.GL_BACK);
            applyMask(state.getStencilWriteMaskBack(), record, 2);
            applyFunc(getGLStencilFunction(state.getStencilFunctionBack()), state.getStencilReferenceBack(),
                    state.getStencilFuncMaskBack(), record, 2);
            applyOp(getGLStencilOp(state.getStencilOpFailBack(), caps),
                    getGLStencilOp(state.getStencilOpZFailBack(), caps),
                    getGLStencilOp(state.getStencilOpZPassBack(), caps), record, 2);

            EXTStencilTwoSide.glActiveStencilFaceEXT(GL11.GL_FRONT);
            applyMask(state.getStencilWriteMaskFront(), record, 1);
            applyFunc(getGLStencilFunction(state.getStencilFunctionFront()), state.getStencilReferenceFront(),
                    state.getStencilFuncMaskFront(), record, 1);
            applyOp(getGLStencilOp(state.getStencilOpFailFront(), caps),
                    getGLStencilOp(state.getStencilOpZFailFront(), caps),
                    getGLStencilOp(state.getStencilOpZPassFront(), caps), record, 1);
        } else {
            applyMask(state.getStencilWriteMaskFront(), record, 0);
            applyFunc(getGLStencilFunction(state.getStencilFunctionFront()), state.getStencilReferenceFront(),
                    state.getStencilFuncMaskFront(), record, 0);
            applyOp(getGLStencilOp(state.getStencilOpFailFront(), caps),
                    getGLStencilOp(state.getStencilOpZFailFront(), caps),
                    getGLStencilOp(state.getStencilOpZPassFront(), caps), record, 0);
        }
    }

    if (!record.isValid()) {
        record.validate();
    }
}

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