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am 730c0f65: Merge "Fix stencil mask usage in HWUI" into mnc-dev

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* commit '730c0f6591b1c99699e9d0ecf36d696f7d87629f':
  Fix stencil mask usage in HWUI
This commit is contained in:
Chris Craik
2015-07-30 19:37:15 +00:00
committed by Android Git Automerger
parent f9dee58395 730c0f6591
commit 7dfb1d9931
1 changed files with 14 additions and 8 deletions
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10
libs/hwui/renderstate/Stencil.cpp
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@ -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() {