// This test case exercises the public API of the GrLayerCache class.
// In particular it checks its interaction with the resource cache (w.r.t.
// locking & unlocking textures).
// TODO: need to add checks on VRAM usage!
DEF_GPUTEST(GpuLayerCache, reporter, factory) {
static const int kInitialNumLayers = 5;
for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
continue;
}
GrContext* context = factory->get(glCtxType);
if (NULL == context) {
continue;
}
SkPictureRecorder recorder;
recorder.beginRecording(1, 1);
SkAutoTUnref<const SkPicture> picture(recorder.endRecording());
GrLayerCache cache(context);
create_layers(reporter, &cache, *picture, kInitialNumLayers, 0);
for (int i = 0; i < kInitialNumLayers; ++i) {
GrCachedLayer* layer = cache.findLayer(picture, i+1, i+2, SkMatrix::I());
REPORTER_ASSERT(reporter, NULL != layer);
lock_layer(reporter, &cache, layer);
// The first 4 layers should be in the atlas (and thus have non-empty
// rects)
if (i < 4) {
REPORTER_ASSERT(reporter, layer->isAtlased());
} else {
// The 5th layer couldn't fit in the atlas
REPORTER_ASSERT(reporter, !layer->isAtlased());
}
}
// Unlock the textures
for (int i = 0; i < kInitialNumLayers; ++i) {
GrCachedLayer* layer = cache.findLayer(picture, i+1, i+2, SkMatrix::I());
REPORTER_ASSERT(reporter, NULL != layer);
cache.unlock(layer);
}
for (int i = 0; i < kInitialNumLayers; ++i) {
GrCachedLayer* layer = cache.findLayer(picture, i+1, i+2, SkMatrix::I());
REPORTER_ASSERT(reporter, NULL != layer);
REPORTER_ASSERT(reporter, !layer->locked());
// The first 4 layers should still be in the atlas.
if (i < 4) {
REPORTER_ASSERT(reporter, NULL != layer->texture());
REPORTER_ASSERT(reporter, layer->isAtlased());
} else {
// The final layer should be unlocked.
REPORTER_ASSERT(reporter, NULL == layer->texture());
REPORTER_ASSERT(reporter, !layer->isAtlased());
}
}
{
// Add an additional layer. Since all the layers are unlocked this
// will force out the first atlased layer
create_layers(reporter, &cache, *picture, 1, kInitialNumLayers);
GrCachedLayer* layer = cache.findLayer(picture,
kInitialNumLayers+1, kInitialNumLayers+2,
SkMatrix::I());
REPORTER_ASSERT(reporter, NULL != layer);
lock_layer(reporter, &cache, layer);
cache.unlock(layer);
}
for (int i = 0; i < kInitialNumLayers+1; ++i) {
GrCachedLayer* layer = cache.findLayer(picture, i+1, i+2, SkMatrix::I());
// 3 old layers plus the new one should be in the atlas.
if (1 == i || 2 == i || 3 == i || 5 == i) {
REPORTER_ASSERT(reporter, NULL != layer);
REPORTER_ASSERT(reporter, !layer->locked());
REPORTER_ASSERT(reporter, NULL != layer->texture());
REPORTER_ASSERT(reporter, layer->isAtlased());
} else if (4 == i) {
// The one that was never atlased should still be around
REPORTER_ASSERT(reporter, NULL != layer);
REPORTER_ASSERT(reporter, NULL == layer->texture());
REPORTER_ASSERT(reporter, !layer->isAtlased());
} else {
// The one bumped out of the atlas (i.e., 0) should be gone
REPORTER_ASSERT(reporter, NULL == layer);
}
}
//--------------------------------------------------------------------
// Free them all SkGpuDevice-style. This will not free up the
// atlas' texture but will eliminate all the layers.
TestingAccess::Purge(&cache, picture->uniqueID());
REPORTER_ASSERT(reporter, TestingAccess::NumLayers(&cache) == 0);
// TODO: add VRAM/resource cache check here
//--------------------------------------------------------------------
// Test out the GrContext-style purge. This should remove all the layers
// and the atlas.
// Re-create the layers
create_layers(reporter, &cache, *picture, kInitialNumLayers, 0);
// Free them again GrContext-style. This should free up everything.
cache.freeAll();
REPORTER_ASSERT(reporter, TestingAccess::NumLayers(&cache) == 0);
// TODO: add VRAM/resource cache check here
//--------------------------------------------------------------------
// Test out the MessageBus-style purge. This will not free the atlas
// but should eliminate the free-floating layers.
create_layers(reporter, &cache, *picture, kInitialNumLayers, 0);
picture.reset(NULL);
cache.processDeletedPictures();
REPORTER_ASSERT(reporter, TestingAccess::NumLayers(&cache) == 0);
// TODO: add VRAM/resource cache check here
}
}
// This test case exercises the public API of the GrLayerCache class.
// In particular it checks its interaction with the resource cache (w.r.t.
// locking & unlocking textures).
// TODO: need to add checks on VRAM usage!
DEF_GPUTEST(GpuLayerCache, reporter, factory) {
static const unsigned kInitialNumLayers = 5;
for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
continue;
}
GrContext* context = factory->get(glCtxType);
if (NULL == context) {
continue;
}
SkPictureRecorder recorder;
SkCanvas* c = recorder.beginRecording(1, 1);
// Draw something, anything, to prevent an empty-picture optimization,
// which is a singleton and never purged.
c->drawRect(SkRect::MakeWH(1,1), SkPaint());
SkAutoTUnref<const SkPicture> picture(recorder.endRecording());
GrLayerCache cache(context);
create_layers(reporter, &cache, *picture, kInitialNumLayers, 0);
for (unsigned i = 0; i < kInitialNumLayers; ++i) {
unsigned indices[1] = { i + 1 };
GrCachedLayer* layer = TestingAccess::Find(&cache, picture->uniqueID(), SkMatrix::I(),
indices, 1);
REPORTER_ASSERT(reporter, layer);
lock_layer(reporter, &cache, layer);
// The first 4 layers should be in the atlas (and thus have non-empty
// rects)
if (i < 4) {
REPORTER_ASSERT(reporter, layer->isAtlased());
} else {
// The 5th layer couldn't fit in the atlas
REPORTER_ASSERT(reporter, !layer->isAtlased());
}
}
// Unlock the textures
for (unsigned i = 0; i < kInitialNumLayers; ++i) {
unsigned indices[1] = { i+1 };
GrCachedLayer* layer = TestingAccess::Find(&cache, picture->uniqueID(), SkMatrix::I(),
indices, 1);
REPORTER_ASSERT(reporter, layer);
cache.removeUse(layer);
}
for (unsigned i = 0; i < kInitialNumLayers; ++i) {
unsigned indices[1] = { i+1 };
GrCachedLayer* layer = TestingAccess::Find(&cache, picture->uniqueID(), SkMatrix::I(),
indices, 1);
REPORTER_ASSERT(reporter, layer);
// All the layers should be unlocked
REPORTER_ASSERT(reporter, !layer->locked());
// When hoisted layers aren't cached they are aggressively removed
// from the atlas
#if GR_CACHE_HOISTED_LAYERS
// The first 4 layers should still be in the atlas.
if (i < 4) {
REPORTER_ASSERT(reporter, layer->texture());
REPORTER_ASSERT(reporter, layer->isAtlased());
} else {
#endif
// The final layer should not be atlased.
REPORTER_ASSERT(reporter, NULL == layer->texture());
REPORTER_ASSERT(reporter, !layer->isAtlased());
#if GR_CACHE_HOISTED_LAYERS
}
#endif
}
{
unsigned indices[1] = { kInitialNumLayers+1 };
// Add an additional layer. Since all the layers are unlocked this
// will force out the first atlased layer
create_layers(reporter, &cache, *picture, 1, kInitialNumLayers);
GrCachedLayer* layer = TestingAccess::Find(&cache, picture->uniqueID(), SkMatrix::I(),
indices, 1);
REPORTER_ASSERT(reporter, layer);
lock_layer(reporter, &cache, layer);
cache.removeUse(layer);
}
for (unsigned i = 0; i < kInitialNumLayers+1; ++i) {
unsigned indices[1] = { i+1 };
GrCachedLayer* layer = TestingAccess::Find(&cache, picture->uniqueID(), SkMatrix::I(),
indices, 1);
#if GR_CACHE_HOISTED_LAYERS
// 3 old layers plus the new one should be in the atlas.
if (1 == i || 2 == i || 3 == i || 5 == i) {
REPORTER_ASSERT(reporter, layer);
REPORTER_ASSERT(reporter, !layer->locked());
REPORTER_ASSERT(reporter, layer->texture());
REPORTER_ASSERT(reporter, layer->isAtlased());
} else if (4 == i) {
#endif
// The one that was never atlased should still be around
REPORTER_ASSERT(reporter, layer);
REPORTER_ASSERT(reporter, NULL == layer->texture());
REPORTER_ASSERT(reporter, !layer->isAtlased());
#if GR_CACHE_HOISTED_LAYERS
} else {
// The one bumped out of the atlas (i.e., 0) should be gone
REPORTER_ASSERT(reporter, NULL == layer);
}
#endif
}
//--------------------------------------------------------------------
// Free them all SkGpuDevice-style. This will not free up the
// atlas' texture but will eliminate all the layers.
TestingAccess::Purge(&cache, picture->uniqueID());
REPORTER_ASSERT(reporter, TestingAccess::NumLayers(&cache) == 0);
// TODO: add VRAM/resource cache check here
//--------------------------------------------------------------------
// Test out the GrContext-style purge. This should remove all the layers
// and the atlas.
// Re-create the layers
create_layers(reporter, &cache, *picture, kInitialNumLayers, 0);
// Free them again GrContext-style. This should free up everything.
cache.freeAll();
REPORTER_ASSERT(reporter, TestingAccess::NumLayers(&cache) == 0);
// TODO: add VRAM/resource cache check here
//--------------------------------------------------------------------
// Test out the MessageBus-style purge. This will not free the atlas
// but should eliminate the free-floating layers.
create_layers(reporter, &cache, *picture, kInitialNumLayers, 0);
picture.reset(NULL);
cache.processDeletedPictures();
REPORTER_ASSERT(reporter, TestingAccess::NumLayers(&cache) == 0);
// TODO: add VRAM/resource cache check here
}
}