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Unified Diff: content/browser/compositor/buffer_queue_unittest.cc

Issue 1423843003: Make content::BufferQueue use scoped ptrs for AllocatedSurfaces (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@surfaceless_only
Patch Set: More feedback Created 5 years ago
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Index: content/browser/compositor/buffer_queue_unittest.cc
diff --git a/content/browser/compositor/buffer_queue_unittest.cc b/content/browser/compositor/buffer_queue_unittest.cc
index 82a798e32f2e93e8b14de0b8739606676d7ca725..90d8b12a2162ee346899cf5fc85e37f5d8de623f 100644
--- a/content/browser/compositor/buffer_queue_unittest.cc
+++ b/content/browser/compositor/buffer_queue_unittest.cc
@@ -48,14 +48,22 @@ class StubGpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
class StubBrowserGpuMemoryBufferManager : public BrowserGpuMemoryBufferManager {
public:
- StubBrowserGpuMemoryBufferManager() : BrowserGpuMemoryBufferManager(1, 1) {}
+ StubBrowserGpuMemoryBufferManager()
+ : BrowserGpuMemoryBufferManager(1, 1), allocate_succeeds_(true) {}
+
+ void set_allocate_succeeds(bool value) { allocate_succeeds_ = value; }
scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBufferForScanout(
const gfx::Size& size,
gfx::BufferFormat format,
int32 surface_id) override {
- return make_scoped_ptr<gfx::GpuMemoryBuffer>(new StubGpuMemoryBufferImpl);
+ if (allocate_succeeds_)
+ return make_scoped_ptr<gfx::GpuMemoryBuffer>(new StubGpuMemoryBufferImpl);
+ return nullptr;
}
+
+ private:
+ bool allocate_succeeds_;
};
class MockBufferQueue : public BufferQueue {
@@ -94,31 +102,33 @@ class BufferQueueTest : public ::testing::Test {
output_surface_->Initialize();
}
- unsigned current_surface() { return output_surface_->current_surface_.image; }
- const std::vector<BufferQueue::AllocatedSurface>& available_surfaces() {
+ unsigned current_surface() {
+ return output_surface_->current_surface_
+ ? output_surface_->current_surface_->image
+ : 0;
+ }
+ const std::vector<scoped_ptr<BufferQueue::AllocatedSurface>>&
+ available_surfaces() {
return output_surface_->available_surfaces_;
}
- const std::deque<BufferQueue::AllocatedSurface>& in_flight_surfaces() {
+ std::deque<scoped_ptr<BufferQueue::AllocatedSurface>>& in_flight_surfaces() {
return output_surface_->in_flight_surfaces_;
}
- const BufferQueue::AllocatedSurface& displayed_frame() {
- return output_surface_->displayed_surface_;
+ const BufferQueue::AllocatedSurface* displayed_frame() {
+ return output_surface_->displayed_surface_.get();
}
- const BufferQueue::AllocatedSurface& current_frame() {
- return output_surface_->current_surface_;
+ const BufferQueue::AllocatedSurface* current_frame() {
+ return output_surface_->current_surface_.get();
}
- const BufferQueue::AllocatedSurface& last_frame() {
- return output_surface_->in_flight_surfaces_.back();
- }
- const BufferQueue::AllocatedSurface& next_frame() {
- return output_surface_->available_surfaces_.back();
+ const BufferQueue::AllocatedSurface* next_frame() {
+ return output_surface_->available_surfaces_.back().get();
}
const gfx::Size size() { return output_surface_->size_; }
int CountBuffers() {
int n = available_surfaces().size() + in_flight_surfaces().size() +
- (displayed_frame().texture ? 1 : 0);
+ (displayed_frame() ? 1 : 0);
if (current_surface())
n++;
return n;
@@ -128,14 +138,14 @@ class BufferQueueTest : public ::testing::Test {
void CheckUnique() {
std::set<unsigned> buffers;
EXPECT_TRUE(InsertUnique(&buffers, current_surface()));
- EXPECT_TRUE(InsertUnique(&buffers, displayed_frame().image));
- for (size_t i = 0; i < available_surfaces().size(); i++)
- EXPECT_TRUE(InsertUnique(&buffers, available_surfaces()[i].image));
- for (std::deque<BufferQueue::AllocatedSurface>::const_iterator it =
- in_flight_surfaces().begin();
- it != in_flight_surfaces().end();
- ++it)
- EXPECT_TRUE(InsertUnique(&buffers, it->image));
+ if (displayed_frame())
+ EXPECT_TRUE(InsertUnique(&buffers, displayed_frame()->image));
+ for (auto& surface : available_surfaces())
+ EXPECT_TRUE(InsertUnique(&buffers, surface->image));
+ for (auto& surface : in_flight_surfaces()) {
+ if (surface)
+ EXPECT_TRUE(InsertUnique(&buffers, surface->image));
+ }
}
void SwapBuffers() {
@@ -164,7 +174,7 @@ class BufferQueueTest : public ::testing::Test {
return true;
}
- scoped_ptr<BrowserGpuMemoryBufferManager> gpu_memory_buffer_manager_;
+ scoped_ptr<StubBrowserGpuMemoryBufferManager> gpu_memory_buffer_manager_;
scoped_ptr<BufferQueue> output_surface_;
MockBufferQueue* mock_output_surface_;
bool doublebuffering_;
@@ -314,7 +324,7 @@ TEST_F(BufferQueueTest, PartialSwapReuse) {
SendDamagedFrame(small_damage);
SendDamagedFrame(large_damage);
// Verify that the damage has propagated.
- EXPECT_EQ(next_frame().damage, large_damage);
+ EXPECT_EQ(next_frame()->damage, large_damage);
}
TEST_F(BufferQueueTest, PartialSwapFullFrame) {
@@ -326,7 +336,7 @@ TEST_F(BufferQueueTest, PartialSwapFullFrame) {
SendDamagedFrame(small_damage);
SendFullFrame();
SendFullFrame();
- EXPECT_EQ(next_frame().damage, screen_rect);
+ EXPECT_EQ(next_frame()->damage, screen_rect);
}
TEST_F(BufferQueueTest, PartialSwapOverlapping) {
@@ -340,7 +350,7 @@ TEST_F(BufferQueueTest, PartialSwapOverlapping) {
SendFullFrame();
SendDamagedFrame(small_damage);
SendDamagedFrame(overlapping_damage);
- EXPECT_EQ(next_frame().damage, overlapping_damage);
+ EXPECT_EQ(next_frame()->damage, overlapping_damage);
}
TEST_F(BufferQueueTest, MultipleBindCalls) {
@@ -359,27 +369,27 @@ TEST_F(BufferQueueTest, CheckDoubleBuffering) {
output_surface_->BindFramebuffer();
EXPECT_EQ(1, CountBuffers());
EXPECT_NE(0U, current_surface());
- EXPECT_FALSE(displayed_frame().texture);
+ EXPECT_FALSE(displayed_frame());
SwapBuffers();
EXPECT_EQ(1U, in_flight_surfaces().size());
output_surface_->PageFlipComplete();
EXPECT_EQ(0U, in_flight_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
output_surface_->BindFramebuffer();
EXPECT_EQ(2, CountBuffers());
CheckUnique();
EXPECT_NE(0U, current_surface());
EXPECT_EQ(0U, in_flight_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
SwapBuffers();
CheckUnique();
EXPECT_EQ(1U, in_flight_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
output_surface_->PageFlipComplete();
CheckUnique();
EXPECT_EQ(0U, in_flight_surfaces().size());
EXPECT_EQ(1U, available_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
output_surface_->BindFramebuffer();
EXPECT_EQ(2, CountBuffers());
CheckUnique();
@@ -391,7 +401,7 @@ TEST_F(BufferQueueTest, CheckTripleBuffering) {
// This bit is the same sequence tested in the doublebuffering case.
output_surface_->BindFramebuffer();
- EXPECT_FALSE(displayed_frame().texture);
+ EXPECT_FALSE(displayed_frame());
SwapBuffers();
output_surface_->PageFlipComplete();
output_surface_->BindFramebuffer();
@@ -400,19 +410,19 @@ TEST_F(BufferQueueTest, CheckTripleBuffering) {
EXPECT_EQ(2, CountBuffers());
CheckUnique();
EXPECT_EQ(1U, in_flight_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
output_surface_->BindFramebuffer();
EXPECT_EQ(3, CountBuffers());
CheckUnique();
EXPECT_NE(0U, current_surface());
EXPECT_EQ(1U, in_flight_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
output_surface_->PageFlipComplete();
EXPECT_EQ(3, CountBuffers());
CheckUnique();
EXPECT_NE(0U, current_surface());
EXPECT_EQ(0U, in_flight_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
+ EXPECT_TRUE(displayed_frame()->texture);
EXPECT_EQ(1U, available_surfaces().size());
}
@@ -425,9 +435,9 @@ TEST_F(BufferQueueTest, CheckCorrectBufferOrdering) {
EXPECT_EQ(kSwapCount, in_flight_surfaces().size());
for (size_t i = 0; i < kSwapCount; ++i) {
- unsigned int next_texture_id = in_flight_surfaces().front().texture;
+ unsigned int next_texture_id = in_flight_surfaces().front()->texture;
output_surface_->PageFlipComplete();
- EXPECT_EQ(displayed_frame().texture, next_texture_id);
+ EXPECT_EQ(displayed_frame()->texture, next_texture_id);
}
}
@@ -443,7 +453,7 @@ TEST_F(BufferQueueTest, ReshapeWithInFlightSurfaces) {
for (size_t i = 0; i < kSwapCount; ++i) {
output_surface_->PageFlipComplete();
- EXPECT_EQ(0u, displayed_frame().texture);
+ EXPECT_FALSE(displayed_frame());
}
// The dummy surfacess left should be discarded.
@@ -468,16 +478,16 @@ TEST_F(BufferQueueTest, SwapAfterReshape) {
for (size_t i = 0; i < kSwapCount; ++i) {
output_surface_->PageFlipComplete();
- EXPECT_EQ(0u, displayed_frame().texture);
+ EXPECT_FALSE(displayed_frame());
}
CheckUnique();
for (size_t i = 0; i < kSwapCount; ++i) {
- unsigned int next_texture_id = in_flight_surfaces().front().texture;
+ unsigned int next_texture_id = in_flight_surfaces().front()->texture;
output_surface_->PageFlipComplete();
- EXPECT_EQ(displayed_frame().texture, next_texture_id);
- EXPECT_NE(0u, displayed_frame().texture);
+ EXPECT_EQ(displayed_frame()->texture, next_texture_id);
+ EXPECT_TRUE(displayed_frame());
}
}
@@ -503,37 +513,37 @@ TEST_F(BufferQueueMockedContextTest, RecreateBuffers) {
// being drawn to.
ASSERT_EQ(1U, in_flight_surfaces().size());
ASSERT_EQ(1U, available_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
- EXPECT_TRUE(current_frame().texture);
+ EXPECT_TRUE(displayed_frame());
+ EXPECT_TRUE(current_frame());
- auto current = current_frame();
- auto displayed = displayed_frame();
- auto in_flight = in_flight_surfaces().front();
- auto available = available_surfaces().front();
+ auto* current = current_frame();
+ auto* displayed = displayed_frame();
+ auto* in_flight = in_flight_surfaces().front().get();
+ auto* available = available_surfaces().front().get();
// Expect all 4 images to be destroyed, 3 of the existing textures to be
// copied from and 3 new images to be created.
EXPECT_CALL(*context_, createImageCHROMIUM(_, 0, 0, GL_RGBA)).Times(3);
- Expectation copy1 =
- EXPECT_CALL(*mock_output_surface_,
- CopyBufferDamage(_, displayed.texture, _, _)).Times(1);
- Expectation copy2 =
- EXPECT_CALL(*mock_output_surface_,
- CopyBufferDamage(_, current.texture, _, _)).Times(1);
- Expectation copy3 =
- EXPECT_CALL(*mock_output_surface_,
- CopyBufferDamage(_, in_flight.texture, _, _)).Times(1);
-
- EXPECT_CALL(*context_, destroyImageCHROMIUM(displayed.image))
+ Expectation copy1 = EXPECT_CALL(*mock_output_surface_,
+ CopyBufferDamage(_, displayed->texture, _, _))
+ .Times(1);
+ Expectation copy2 = EXPECT_CALL(*mock_output_surface_,
+ CopyBufferDamage(_, current->texture, _, _))
+ .Times(1);
+ Expectation copy3 = EXPECT_CALL(*mock_output_surface_,
+ CopyBufferDamage(_, in_flight->texture, _, _))
+ .Times(1);
+
+ EXPECT_CALL(*context_, destroyImageCHROMIUM(displayed->image))
.Times(1)
.After(copy1);
- EXPECT_CALL(*context_, destroyImageCHROMIUM(current.image))
+ EXPECT_CALL(*context_, destroyImageCHROMIUM(current->image))
.Times(1)
.After(copy2);
- EXPECT_CALL(*context_, destroyImageCHROMIUM(in_flight.image))
+ EXPECT_CALL(*context_, destroyImageCHROMIUM(in_flight->image))
.Times(1)
.After(copy3);
- EXPECT_CALL(*context_, destroyImageCHROMIUM(available.image)).Times(1);
+ EXPECT_CALL(*context_, destroyImageCHROMIUM(available->image)).Times(1);
// After copying, we expect the framebuffer binding to be updated.
EXPECT_CALL(*context_, bindFramebuffer(_, _))
.After(copy1)
@@ -552,8 +562,57 @@ TEST_F(BufferQueueMockedContextTest, RecreateBuffers) {
// be replaced but still valid.
EXPECT_EQ(1U, in_flight_surfaces().size());
EXPECT_EQ(0U, available_surfaces().size());
- EXPECT_TRUE(displayed_frame().texture);
- EXPECT_TRUE(current_frame().texture);
+ EXPECT_TRUE(displayed_frame());
+ EXPECT_TRUE(current_frame());
+}
+
+TEST_F(BufferQueueTest, AllocateFails) {
+ output_surface_->Reshape(screen_size, 1.0f);
+
+ // Succeed in the two swaps.
+ output_surface_->BindFramebuffer();
+ EXPECT_TRUE(current_frame());
+ output_surface_->SwapBuffers(screen_rect);
+
+ // Fail the next surface allocation.
+ gpu_memory_buffer_manager_->set_allocate_succeeds(false);
+ output_surface_->BindFramebuffer();
+ EXPECT_FALSE(current_frame());
+ output_surface_->SwapBuffers(screen_rect);
+ EXPECT_FALSE(current_frame());
+
+ // Try another swap. It should copy the buffer damage from the back
+ // surface.
+ gpu_memory_buffer_manager_->set_allocate_succeeds(true);
+ output_surface_->BindFramebuffer();
+ unsigned int source_texture = in_flight_surfaces().front()->texture;
+ unsigned int target_texture = current_frame()->texture;
+ testing::Mock::VerifyAndClearExpectations(mock_output_surface_);
+ EXPECT_CALL(*mock_output_surface_,
+ CopyBufferDamage(target_texture, source_texture, small_damage, _))
+ .Times(1);
+ output_surface_->SwapBuffers(small_damage);
+ testing::Mock::VerifyAndClearExpectations(mock_output_surface_);
+
+ // Destroy the just-created buffer, and try another swap. The copy should
+ // come from the displayed surface (because both in-flight surfaces are
+ // gone now).
+ output_surface_->PageFlipComplete();
+ in_flight_surfaces().back().reset();
+ EXPECT_EQ(2u, in_flight_surfaces().size());
+ for (auto& surface : in_flight_surfaces())
+ EXPECT_FALSE(surface);
+ output_surface_->BindFramebuffer();
+ source_texture = displayed_frame()->texture;
+ EXPECT_TRUE(current_frame());
+ EXPECT_TRUE(displayed_frame());
+ target_texture = current_frame()->texture;
+ testing::Mock::VerifyAndClearExpectations(mock_output_surface_);
+ EXPECT_CALL(*mock_output_surface_,
+ CopyBufferDamage(target_texture, source_texture, small_damage, _))
+ .Times(1);
+ output_surface_->SwapBuffers(small_damage);
+ testing::Mock::VerifyAndClearExpectations(mock_output_surface_);
}
} // namespace
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