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Commit 7dfb1d99 authored by Chris Craik's avatar Chris Craik Committed by Android Git Automerger
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am 730c0f65: Merge "Fix stencil mask usage in HWUI" into mnc-dev 

* commit '730c0f65':
  Fix stencil mask usage in HWUI
parents f9dee583 730c0f65

libs/hwui/renderstate/Stencil.cpp

+14 −8
Original line number Diff line number Diff line
@@ -60,8 +60,14 @@ GLenum Stencil::getLayerStencilFormat() { 
}



void Stencil::clear() {

    glStencilMask(0xff);

    glClearStencil(0);

    glClear(GL_STENCIL_BUFFER_BIT);



    if (mState == kTest) {

        // reset to test state, with immutable stencil

        glStencilMask(0);

    }

}



void Stencil::enableTest(int incrementThreshold) {
@@ -104,17 +110,17 @@ void Stencil::enableDebugTest(GLint value, bool greater) { 
    // We only want to test, let's keep everything

    glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);

    mState = kTest;

    glStencilMask(0);

}



void Stencil::enableDebugWrite() {

    if (mState != kWrite) {

    enable();

    glStencilFunc(GL_ALWAYS, 0x1, 0xffffffff);

    // The test always passes so the first two values are meaningless

    glStencilOp(GL_KEEP, GL_KEEP, GL_INCR);

    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);

    mState = kWrite;

    }

    glStencilMask(0xff);

}



void Stencil::enable() {