Example usage for org.lwjgl.opengl ARBImaging glBlendColor

Introduction

In this page you can find the example usage for org.lwjgl.opengl ARBImaging glBlendColor.

Prototype

public static void glBlendColor(@NativeType("GLfloat") float red, @NativeType("GLfloat") float green,
        @NativeType("GLfloat") float blue, @NativeType("GLfloat") float alpha) 

Source Link

Document

Specifies the constant color C_c to be used in blending.

Usage

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

License:Open Source License

protected static void applyBlendColor(final boolean enabled, final BlendState state,
        final BlendStateRecord record, final ContextCapabilities caps) {
    if (enabled) {
        final boolean applyConstant = state.getDestinationFunctionRGB().usesConstantColor()
                || state.getSourceFunctionRGB().usesConstantColor()
                || (caps.isConstantBlendColorSupported()
                        && (state.getDestinationFunctionAlpha().usesConstantColor()
                                || state.getSourceFunctionAlpha().usesConstantColor()));
        if (applyConstant && caps.isConstantBlendColorSupported()) {
            final ReadOnlyColorRGBA constant = state.getConstantColor();
            if (!record.isValid()
                    || (caps.isConstantBlendColorSupported() && !record.blendColor.equals(constant))) {
                ARBImaging.glBlendColor(constant.getRed(), constant.getGreen(), constant.getBlue(),
                        constant.getAlpha());
                record.blendColor.set(constant);
            }//w w w. j a  v  a2 s.com
        }
    }
}

---