Enforcing depth/stencil:false through DEPTH_TEST/STENCIL_TEST

gistfile1.js

== in bindFramebuffer(framebuffer) ==

if (framebuffer == this.DEFAULT_FRAMEBUFFER) {
    if (!this.contextAttributes.stencil && this.stencilTestEnabled) {
        // An implementation must make sure no side-effect is possible when
        // stencil buffer was not explicitly requested by the application.
        glDisable(STENCIL_TEST);
    }
} else if (this.boundFramebuffer == this.DEFAULT_FRAMEBUFFER && this.stencilTestDirty) {
    // Currently bound framebuffer is default, now binding to another framebuffer
    // Enable STENCIL_TEST if it was enabled before binding default framebuffer
    if (this.stencilTestEnabled) {
        glEnable(STENCIL_TEST);
    }
    this.stencilTestDirty = false;
}
//...glBindFrameBuffer


== in enable(cap) ==

if (cap == STENCIL_TEST) {
    this.stencilTestEnabled = true;
    if (this.boundFramebuffer == DEFAULT_FRAMEBUFFER && !this.contextAttributes.stencil) {
        this.stencilTestDirty = true;
        return;
        // return and not enable the bit since the context did not request a stencil buffer
        // dirty flag so we later enable it if we bind to another framebuffer
    }
}
//...glEnable(cap)



== in disable(cap) ==

if (cap == STENCIL_TEST) {
    // always go on and disable STENCIL_TEST, clear state flags
    this.stencilTestEnabled = false;
    this.stencilTestDirty = false;
}
//...glDisable(cap)


== in isEnabled(cap) ==

if (cap == STENCIL_TEST) {
    if (this.boundFrameBuffer == this.DEFAULT_FRAMEBUFFER && !this.contextAttributes.stencil) {
        return false;
    }
    return this.stencilTestEnabled;
}
//...isEnabled(cap)