static void check_empty_state(skiatest::Reporter* reporter,
const GrClipMaskCache& cache) {
REPORTER_ASSERT(reporter, SkClipStack::kInvalidGenID == cache.getLastClipGenID());
REPORTER_ASSERT(reporter, NULL == cache.getLastMask());
SkIRect emptyBound;
emptyBound.setEmpty();
SkIRect cacheBound;
cache.getLastBound(&cacheBound);
REPORTER_ASSERT(reporter, emptyBound == cacheBound);
}
////////////////////////////////////////////////////////////////////////////////
// verify that the top state of the stack matches the passed in state
static void check_state(skiatest::Reporter* reporter,
const GrClipMaskCache& cache,
const SkClipStack& clip,
GrTexture* mask,
const SkIRect& bound) {
REPORTER_ASSERT(reporter, clip.getTopmostGenID() == cache.getLastClipGenID());
REPORTER_ASSERT(reporter, mask == cache.getLastMask());
SkIRect cacheBound;
cache.getLastBound(&cacheBound);
REPORTER_ASSERT(reporter, bound == cacheBound);
}
////////////////////////////////////////////////////////////////////////////////
// verify that the top state of the stack matches the passed in state
static void check_state(skiatest::Reporter* reporter,
const GrClipMaskCache& cache,
const SkClipStack& clip,
GrTexture* mask,
const GrIRect& bound) {
SkClipStack cacheClip;
cache.getLastClip(&cacheClip);
REPORTER_ASSERT(reporter, clip == cacheClip);
REPORTER_ASSERT(reporter, mask == cache.getLastMask());
GrIRect cacheBound;
cache.getLastBound(&cacheBound);
REPORTER_ASSERT(reporter, bound == cacheBound);
}
////////////////////////////////////////////////////////////////////////////////
// basic test of the cache's base functionality:
// push, pop, set, canReuse & getters
static void test_cache(skiatest::Reporter* reporter, GrContext* context) {
if (false) { // avoid bit rot, suppress warning
createTexture(context);
}
GrClipMaskCache cache;
cache.setContext(context);
SkClipStack emptyClip;
emptyClip.reset();
GrIRect emptyBound;
emptyBound.setEmpty();
// check initial state
check_state(reporter, cache, emptyClip, NULL, emptyBound);
// set the current state
GrIRect bound1;
bound1.set(0, 0, 100, 100);
SkClipStack clip1(bound1);
GrTextureDesc desc;
desc.fFlags = kRenderTarget_GrTextureFlagBit;
desc.fWidth = X_SIZE;
desc.fHeight = Y_SIZE;
desc.fConfig = kSkia8888_PM_GrPixelConfig;
cache.acquireMask(clip1, desc, bound1);
GrTexture* texture1 = cache.getLastMask();
REPORTER_ASSERT(reporter, texture1);
if (NULL == texture1) {
return;
}
// check that the set took
check_state(reporter, cache, clip1, texture1, bound1);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
// push the state
cache.push();
// verify that the pushed state is initially empty
check_state(reporter, cache, emptyClip, NULL, emptyBound);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
// modify the new state
GrIRect bound2;
bound2.set(-10, -10, 10, 10);
SkClipStack clip2(bound2);
cache.acquireMask(clip2, desc, bound2);
GrTexture* texture2 = cache.getLastMask();
REPORTER_ASSERT(reporter, texture2);
if (NULL == texture2) {
return;
}
// check that the changes took
check_state(reporter, cache, clip2, texture2, bound2);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
// check to make sure canReuse works
REPORTER_ASSERT(reporter, cache.canReuse(clip2, bound2));
REPORTER_ASSERT(reporter, !cache.canReuse(clip1, bound1));
// pop the state
cache.pop();
// verify that the old state is restored
check_state(reporter, cache, clip1, texture1, bound1);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
// manually clear the state
cache.reset();
// verify it is now empty
check_state(reporter, cache, emptyClip, NULL, emptyBound);
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
// pop again - so there is no state
cache.pop();
#if !defined(SK_DEBUG)
// verify that the getters don't crash
// only do in release since it generates asserts in debug
check_state(reporter, cache, emptyClip, NULL, emptyBound);
#endif
REPORTER_ASSERT(reporter, 1 == texture1->getRefCnt());
REPORTER_ASSERT(reporter, 1 == texture2->getRefCnt());
}