| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/viz/service/display_embedder/buffer_queue.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <set> |
| #include <utility> |
| |
| #include "base/memory/ptr_util.h" |
| #include "build/build_config.h" |
| #include "components/viz/test/test_context_provider.h" |
| #include "components/viz/test/test_gles2_interface.h" |
| #include "components/viz/test/test_gpu_memory_buffer_manager.h" |
| #include "gpu/GLES2/gl2extchromium.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/khronos/GLES2/gl2ext.h" |
| #include "ui/display/types/display_snapshot.h" |
| |
| using ::testing::_; |
| using ::testing::Expectation; |
| using ::testing::Ne; |
| using ::testing::Return; |
| |
| namespace viz { |
| |
| class StubGpuMemoryBufferImpl : public gfx::GpuMemoryBuffer { |
| public: |
| explicit StubGpuMemoryBufferImpl(size_t* set_color_space_count) |
| : set_color_space_count_(set_color_space_count) {} |
| |
| // Overridden from gfx::GpuMemoryBuffer: |
| bool Map() override { return false; } |
| void* memory(size_t plane) override { return nullptr; } |
| void Unmap() override {} |
| gfx::Size GetSize() const override { return gfx::Size(); } |
| gfx::BufferFormat GetFormat() const override { |
| return gfx::BufferFormat::BGRX_8888; |
| } |
| int stride(size_t plane) const override { return 0; } |
| gfx::GpuMemoryBufferType GetType() const override { |
| return gfx::EMPTY_BUFFER; |
| } |
| gfx::GpuMemoryBufferId GetId() const override { |
| return gfx::GpuMemoryBufferId(0); |
| } |
| void SetColorSpace(const gfx::ColorSpace& color_space) override { |
| *set_color_space_count_ += 1; |
| } |
| gfx::GpuMemoryBufferHandle CloneHandle() const override { |
| return gfx::GpuMemoryBufferHandle(); |
| } |
| ClientBuffer AsClientBuffer() override { |
| return reinterpret_cast<ClientBuffer>(this); |
| } |
| void OnMemoryDump( |
| base::trace_event::ProcessMemoryDump* pmd, |
| const base::trace_event::MemoryAllocatorDumpGuid& buffer_dump_guid, |
| uint64_t tracing_process_id, |
| int importance) const override {} |
| |
| size_t* set_color_space_count_; |
| }; |
| |
| class StubGpuMemoryBufferManager : public TestGpuMemoryBufferManager { |
| public: |
| StubGpuMemoryBufferManager() : allocate_succeeds_(true) {} |
| |
| size_t set_color_space_count() const { return set_color_space_count_; } |
| |
| void set_allocate_succeeds(bool value) { allocate_succeeds_ = value; } |
| |
| std::unique_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBuffer( |
| const gfx::Size& size, |
| gfx::BufferFormat format, |
| gfx::BufferUsage usage, |
| gpu::SurfaceHandle surface_handle) override { |
| if (!surface_handle) { |
| return TestGpuMemoryBufferManager::CreateGpuMemoryBuffer( |
| size, format, usage, surface_handle); |
| } |
| if (allocate_succeeds_) |
| return base::WrapUnique<gfx::GpuMemoryBuffer>( |
| new StubGpuMemoryBufferImpl(&set_color_space_count_)); |
| return nullptr; |
| } |
| |
| private: |
| bool allocate_succeeds_; |
| size_t set_color_space_count_ = 0; |
| }; |
| |
| #if defined(OS_WIN) |
| const gpu::SurfaceHandle kFakeSurfaceHandle = |
| reinterpret_cast<gpu::SurfaceHandle>(1); |
| #else |
| const gpu::SurfaceHandle kFakeSurfaceHandle = 1; |
| #endif |
| |
| const unsigned int kBufferQueueInternalformat = GL_RGBA; |
| const gfx::BufferFormat kBufferQueueFormat = gfx::BufferFormat::RGBA_8888; |
| |
| class MockBufferQueue : public BufferQueue { |
| public: |
| MockBufferQueue(gpu::gles2::GLES2Interface* gl, |
| gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, |
| const gpu::Capabilities& capabilities) |
| : BufferQueue(gl, |
| kBufferQueueFormat, |
| gpu_memory_buffer_manager, |
| kFakeSurfaceHandle, |
| capabilities) {} |
| MOCK_METHOD4(CopyBufferDamage, |
| void(unsigned, unsigned, const gfx::Rect&, const gfx::Rect&)); |
| }; |
| |
| class BufferQueueTest : public ::testing::Test { |
| public: |
| BufferQueueTest() : doublebuffering_(true), first_frame_(true) {} |
| |
| void SetUp() override { |
| InitWithContext(std::make_unique<TestGLES2Interface>()); |
| } |
| |
| void InitWithContext(std::unique_ptr<TestGLES2Interface> context) { |
| context_provider_ = TestContextProvider::Create(std::move(context)); |
| context_provider_->BindToCurrentThread(); |
| gpu_memory_buffer_manager_.reset(new StubGpuMemoryBufferManager); |
| mock_output_surface_ = new MockBufferQueue( |
| context_provider_->ContextGL(), gpu_memory_buffer_manager_.get(), |
| context_provider_->ContextCapabilities()); |
| output_surface_.reset(mock_output_surface_); |
| } |
| |
| unsigned current_surface() { |
| return output_surface_->current_surface_ |
| ? output_surface_->current_surface_->image |
| : 0; |
| } |
| const std::vector<std::unique_ptr<BufferQueue::AllocatedSurface>>& |
| available_surfaces() { |
| return output_surface_->available_surfaces_; |
| } |
| base::circular_deque<std::unique_ptr<BufferQueue::AllocatedSurface>>& |
| in_flight_surfaces() { |
| return output_surface_->in_flight_surfaces_; |
| } |
| |
| const BufferQueue::AllocatedSurface* displayed_frame() { |
| return output_surface_->displayed_surface_.get(); |
| } |
| const BufferQueue::AllocatedSurface* current_frame() { |
| return output_surface_->current_surface_.get(); |
| } |
| 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() ? 1 : 0); |
| if (current_surface()) |
| n++; |
| return n; |
| } |
| |
| // Check that each buffer is unique if present. |
| void CheckUnique() { |
| std::set<unsigned> buffers; |
| EXPECT_TRUE(InsertUnique(&buffers, current_surface())); |
| 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(const gfx::Rect& damage) { |
| output_surface_->CopyDamageForCurrentSurface(damage); |
| output_surface_->SwapBuffers(damage); |
| } |
| |
| void SwapBuffers() { SwapBuffers(gfx::Rect(output_surface_->size_)); } |
| |
| void SendDamagedFrame(const gfx::Rect& damage) { |
| // We don't care about the GL-level implementation here, just how it uses |
| // damage rects. |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(damage); |
| if (doublebuffering_ || !first_frame_) |
| output_surface_->PageFlipComplete(); |
| first_frame_ = false; |
| } |
| |
| void SendFullFrame() { SendDamagedFrame(gfx::Rect(output_surface_->size_)); } |
| |
| protected: |
| bool InsertUnique(std::set<unsigned>* set, unsigned value) { |
| if (!value) |
| return true; |
| if (set->find(value) != set->end()) |
| return false; |
| set->insert(value); |
| return true; |
| } |
| |
| scoped_refptr<TestContextProvider> context_provider_; |
| std::unique_ptr<StubGpuMemoryBufferManager> gpu_memory_buffer_manager_; |
| std::unique_ptr<BufferQueue> output_surface_; |
| MockBufferQueue* mock_output_surface_; |
| bool doublebuffering_; |
| bool first_frame_; |
| }; |
| |
| namespace { |
| const gfx::Size screen_size = gfx::Size(30, 30); |
| const gfx::Rect screen_rect = gfx::Rect(screen_size); |
| const gfx::Rect small_damage = gfx::Rect(gfx::Size(10, 10)); |
| const gfx::Rect large_damage = gfx::Rect(gfx::Size(20, 20)); |
| const gfx::Rect overlapping_damage = gfx::Rect(gfx::Size(5, 20)); |
| |
| GLuint CreateImageDefault() { |
| static GLuint id = 0; |
| return ++id; |
| } |
| |
| class MockedContext : public TestGLES2Interface { |
| public: |
| MockedContext() { |
| ON_CALL(*this, CreateImageCHROMIUM(_, _, _, _)) |
| .WillByDefault(testing::InvokeWithoutArgs(&CreateImageDefault)); |
| } |
| MOCK_METHOD2(BindTexture, void(GLenum, GLuint)); |
| MOCK_METHOD2(BindTexImage2DCHROMIUM, void(GLenum, GLint)); |
| MOCK_METHOD4(CreateImageCHROMIUM, |
| GLuint(ClientBuffer, GLsizei, GLsizei, GLenum)); |
| MOCK_METHOD1(DestroyImageCHROMIUM, void(GLuint)); |
| }; |
| |
| class BufferQueueMockedContextTest : public BufferQueueTest { |
| public: |
| void SetUp() override { |
| context_ = new MockedContext(); |
| InitWithContext(base::WrapUnique<TestGLES2Interface>(context_)); |
| } |
| |
| protected: |
| MockedContext* context_; |
| }; |
| |
| scoped_refptr<TestContextProvider> CreateMockedContextProvider( |
| MockedContext** context) { |
| std::unique_ptr<MockedContext> owned_context(new MockedContext); |
| *context = owned_context.get(); |
| scoped_refptr<TestContextProvider> context_provider = |
| TestContextProvider::Create(std::move(owned_context)); |
| context_provider->BindToCurrentThread(); |
| return context_provider; |
| } |
| |
| std::unique_ptr<BufferQueue> CreateBufferQueue( |
| gpu::gles2::GLES2Interface* gl, |
| gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager, |
| const gpu::Capabilities& capabilities) { |
| std::unique_ptr<BufferQueue> buffer_queue( |
| new BufferQueue(gl, kBufferQueueFormat, gpu_memory_buffer_manager, |
| kFakeSurfaceHandle, capabilities)); |
| return buffer_queue; |
| } |
| |
| TEST(BufferQueueStandaloneTest, BufferCreation) { |
| MockedContext* context; |
| scoped_refptr<TestContextProvider> context_provider = |
| CreateMockedContextProvider(&context); |
| std::unique_ptr<StubGpuMemoryBufferManager> gpu_memory_buffer_manager( |
| new StubGpuMemoryBufferManager); |
| std::unique_ptr<BufferQueue> output_surface = CreateBufferQueue( |
| context_provider->ContextGL(), gpu_memory_buffer_manager.get(), |
| context_provider->ContextCapabilities()); |
| |
| GLenum target = output_surface->texture_target(); |
| |
| EXPECT_CALL(*context, BindTexture(target, Ne(0U))); |
| EXPECT_CALL(*context, DestroyImageCHROMIUM(1)); |
| Expectation image = |
| EXPECT_CALL(*context, |
| CreateImageCHROMIUM(_, 0, 0, kBufferQueueInternalformat)) |
| .WillOnce(Return(1)); |
| Expectation tex = EXPECT_CALL(*context, BindTexture(target, Ne(0U))); |
| Expectation bind_tex = |
| EXPECT_CALL(*context, BindTexImage2DCHROMIUM(target, 1)) |
| .After(tex, image); |
| |
| unsigned stencil; |
| EXPECT_GT(output_surface->GetCurrentBuffer(&stencil), 0u); |
| } |
| |
| TEST(BufferQueueStandaloneTest, CopyBufferDamage) { |
| scoped_refptr<TestContextProvider> context_provider = |
| TestContextProvider::Create(); |
| context_provider->BindToCurrentThread(); |
| std::unique_ptr<StubGpuMemoryBufferManager> gpu_memory_buffer_manager; |
| std::unique_ptr<BufferQueue> output_surface; |
| gpu_memory_buffer_manager.reset(new StubGpuMemoryBufferManager); |
| |
| output_surface.reset( |
| new BufferQueue(context_provider->ContextGL(), kBufferQueueFormat, |
| gpu_memory_buffer_manager.get(), kFakeSurfaceHandle, |
| context_provider->ContextCapabilities())); |
| EXPECT_TRUE( |
| output_surface->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| // Trigger a sub-buffer copy to exercise all paths. |
| unsigned stencil; |
| EXPECT_GT(output_surface->GetCurrentBuffer(&stencil), 0u); |
| output_surface->CopyDamageForCurrentSurface(screen_rect); |
| output_surface->SwapBuffers(screen_rect); |
| output_surface->PageFlipComplete(); |
| EXPECT_GT(output_surface->GetCurrentBuffer(&stencil), 0u); |
| output_surface->CopyDamageForCurrentSurface(small_damage); |
| output_surface->SwapBuffers(small_damage); |
| } |
| |
| TEST_F(BufferQueueTest, PartialSwapReuse) { |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| ASSERT_TRUE(doublebuffering_); |
| EXPECT_CALL(*mock_output_surface_, |
| CopyBufferDamage(_, _, small_damage, screen_rect)) |
| .Times(1); |
| EXPECT_CALL(*mock_output_surface_, |
| CopyBufferDamage(_, _, small_damage, small_damage)) |
| .Times(1); |
| EXPECT_CALL(*mock_output_surface_, |
| CopyBufferDamage(_, _, large_damage, small_damage)) |
| .Times(1); |
| SendFullFrame(); |
| SendDamagedFrame(small_damage); |
| SendDamagedFrame(small_damage); |
| SendDamagedFrame(large_damage); |
| // Verify that the damage has propagated. |
| EXPECT_EQ(next_frame()->damage, large_damage); |
| } |
| |
| TEST_F(BufferQueueTest, PartialSwapFullFrame) { |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| ASSERT_TRUE(doublebuffering_); |
| EXPECT_CALL(*mock_output_surface_, |
| CopyBufferDamage(_, _, small_damage, screen_rect)) |
| .Times(1); |
| SendFullFrame(); |
| SendDamagedFrame(small_damage); |
| SendFullFrame(); |
| SendFullFrame(); |
| EXPECT_EQ(next_frame()->damage, screen_rect); |
| } |
| |
| TEST_F(BufferQueueTest, PartialSwapOverlapping) { |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| ASSERT_TRUE(doublebuffering_); |
| EXPECT_CALL(*mock_output_surface_, |
| CopyBufferDamage(_, _, small_damage, screen_rect)) |
| .Times(1); |
| EXPECT_CALL(*mock_output_surface_, |
| CopyBufferDamage(_, _, overlapping_damage, small_damage)) |
| .Times(1); |
| |
| SendFullFrame(); |
| SendDamagedFrame(small_damage); |
| SendDamagedFrame(overlapping_damage); |
| EXPECT_EQ(next_frame()->damage, overlapping_damage); |
| } |
| |
| TEST_F(BufferQueueTest, MultipleGetCurrentBufferCalls) { |
| // Check that multiple bind calls do not create or change surfaces. |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_EQ(1, CountBuffers()); |
| unsigned int fb = current_surface(); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_EQ(1, CountBuffers()); |
| EXPECT_EQ(fb, current_surface()); |
| } |
| |
| TEST_F(BufferQueueTest, CheckDoubleBuffering) { |
| // Check buffer flow through double buffering path. |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| EXPECT_EQ(0, CountBuffers()); |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_EQ(1, CountBuffers()); |
| EXPECT_NE(0U, current_surface()); |
| 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_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_EQ(2, CountBuffers()); |
| CheckUnique(); |
| EXPECT_NE(0U, current_surface()); |
| EXPECT_EQ(0U, in_flight_surfaces().size()); |
| EXPECT_TRUE(displayed_frame()->texture); |
| SwapBuffers(); |
| CheckUnique(); |
| EXPECT_EQ(1U, in_flight_surfaces().size()); |
| 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_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_EQ(2, CountBuffers()); |
| CheckUnique(); |
| EXPECT_TRUE(available_surfaces().empty()); |
| } |
| |
| TEST_F(BufferQueueTest, CheckTripleBuffering) { |
| // Check buffer flow through triple buffering path. |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| |
| // This bit is the same sequence tested in the doublebuffering case. |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_FALSE(displayed_frame()); |
| SwapBuffers(); |
| output_surface_->PageFlipComplete(); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| |
| EXPECT_EQ(2, CountBuffers()); |
| CheckUnique(); |
| EXPECT_EQ(1U, in_flight_surfaces().size()); |
| EXPECT_TRUE(displayed_frame()->texture); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_EQ(3, CountBuffers()); |
| CheckUnique(); |
| EXPECT_NE(0U, current_surface()); |
| EXPECT_EQ(1U, in_flight_surfaces().size()); |
| 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_EQ(1U, available_surfaces().size()); |
| } |
| |
| TEST_F(BufferQueueTest, CheckEmptySwap) { |
| // Check empty swap flow, in which the damage is empty and BindFramebuffer |
| // might not be called. |
| EXPECT_EQ(0, CountBuffers()); |
| unsigned stencil; |
| unsigned texture = output_surface_->GetCurrentBuffer(&stencil); |
| EXPECT_GT(texture, 0u); |
| EXPECT_EQ(1, CountBuffers()); |
| EXPECT_NE(0U, current_surface()); |
| EXPECT_FALSE(displayed_frame()); |
| |
| SwapBuffers(); |
| // Make sure we won't be drawing to the texture we just sent for scanout. |
| unsigned new_texture = output_surface_->GetCurrentBuffer(&stencil); |
| EXPECT_GT(new_texture, 0u); |
| EXPECT_NE(texture, new_texture); |
| |
| EXPECT_EQ(1U, in_flight_surfaces().size()); |
| output_surface_->PageFlipComplete(); |
| |
| // Test swapbuffers without calling BindFramebuffer. DirectRenderer skips |
| // BindFramebuffer if not necessary. |
| SwapBuffers(); |
| SwapBuffers(); |
| EXPECT_EQ(2U, in_flight_surfaces().size()); |
| |
| output_surface_->PageFlipComplete(); |
| EXPECT_EQ(1U, in_flight_surfaces().size()); |
| |
| output_surface_->PageFlipComplete(); |
| EXPECT_EQ(0U, in_flight_surfaces().size()); |
| } |
| |
| TEST_F(BufferQueueTest, CheckCorrectBufferOrdering) { |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| const size_t kSwapCount = 3; |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| } |
| |
| 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; |
| output_surface_->PageFlipComplete(); |
| EXPECT_EQ(displayed_frame()->texture, next_texture_id); |
| } |
| } |
| |
| TEST_F(BufferQueueTest, ReshapeWithInFlightSurfaces) { |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| const size_t kSwapCount = 3; |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| } |
| |
| EXPECT_TRUE(output_surface_->Reshape(gfx::Size(10, 20), 1.0f, |
| gfx::ColorSpace(), false)); |
| EXPECT_EQ(3u, in_flight_surfaces().size()); |
| |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| output_surface_->PageFlipComplete(); |
| EXPECT_FALSE(displayed_frame()); |
| } |
| |
| // The dummy surfacess left should be discarded. |
| EXPECT_EQ(0u, available_surfaces().size()); |
| } |
| |
| TEST_F(BufferQueueTest, SwapAfterReshape) { |
| DCHECK_EQ(0u, gpu_memory_buffer_manager_->set_color_space_count()); |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| const size_t kSwapCount = 3; |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| } |
| DCHECK_EQ(kSwapCount, gpu_memory_buffer_manager_->set_color_space_count()); |
| |
| EXPECT_TRUE(output_surface_->Reshape(gfx::Size(10, 20), 1.0f, |
| gfx::ColorSpace(), false)); |
| DCHECK_EQ(kSwapCount, gpu_memory_buffer_manager_->set_color_space_count()); |
| |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| } |
| DCHECK_EQ(2 * kSwapCount, |
| gpu_memory_buffer_manager_->set_color_space_count()); |
| EXPECT_EQ(2 * kSwapCount, in_flight_surfaces().size()); |
| |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| output_surface_->PageFlipComplete(); |
| EXPECT_FALSE(displayed_frame()); |
| } |
| |
| CheckUnique(); |
| |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| unsigned int next_texture_id = in_flight_surfaces().front()->texture; |
| output_surface_->PageFlipComplete(); |
| EXPECT_EQ(displayed_frame()->texture, next_texture_id); |
| EXPECT_TRUE(displayed_frame()); |
| } |
| |
| DCHECK_EQ(2 * kSwapCount, |
| gpu_memory_buffer_manager_->set_color_space_count()); |
| for (size_t i = 0; i < kSwapCount; ++i) { |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| output_surface_->PageFlipComplete(); |
| } |
| DCHECK_EQ(2 * kSwapCount, |
| gpu_memory_buffer_manager_->set_color_space_count()); |
| } |
| |
| TEST_F(BufferQueueMockedContextTest, RecreateBuffers) { |
| // This setup is to easily get one frame in each of: |
| // - currently bound for drawing. |
| // - in flight to GPU. |
| // - currently displayed. |
| // - free frame. |
| // This tests buffers in all states. |
| // Bind/swap pushes frames into the in flight list, then the PageFlipComplete |
| // calls pull one frame into displayed and another into the free list. |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| // TODO(andrescj): fix a bunch of uninteresting mock function calls. |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| SwapBuffers(); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| output_surface_->PageFlipComplete(); |
| output_surface_->PageFlipComplete(); |
| // We should have one buffer in each possible state right now, including one |
| // being drawn to. |
| ASSERT_EQ(1U, in_flight_surfaces().size()); |
| ASSERT_EQ(1U, available_surfaces().size()); |
| EXPECT_TRUE(displayed_frame()); |
| EXPECT_TRUE(current_frame()); |
| |
| 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(_, screen_size.width(), screen_size.height(), |
| kBufferQueueInternalformat)) |
| .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)) |
| .Times(1) |
| .After(copy1); |
| EXPECT_CALL(*context_, DestroyImageCHROMIUM(current->image)) |
| .Times(1) |
| .After(copy2); |
| EXPECT_CALL(*context_, DestroyImageCHROMIUM(in_flight->image)) |
| .Times(1) |
| .After(copy3); |
| EXPECT_CALL(*context_, DestroyImageCHROMIUM(available->image)).Times(1); |
| |
| output_surface_->RecreateBuffers(); |
| testing::Mock::VerifyAndClearExpectations(context_); |
| testing::Mock::VerifyAndClearExpectations(mock_output_surface_); |
| |
| // All free buffers should be destroyed, the remaining buffers should all |
| // be replaced but still valid. |
| EXPECT_EQ(1U, in_flight_surfaces().size()); |
| EXPECT_EQ(0U, available_surfaces().size()); |
| EXPECT_TRUE(displayed_frame()); |
| EXPECT_TRUE(current_frame()); |
| } |
| |
| TEST_F(BufferQueueTest, AllocateFails) { |
| EXPECT_TRUE( |
| output_surface_->Reshape(screen_size, 1.0f, gfx::ColorSpace(), false)); |
| |
| // Succeed in the two swaps. |
| unsigned stencil; |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| EXPECT_TRUE(current_frame()); |
| SwapBuffers(screen_rect); |
| |
| // Fail the next surface allocation. |
| gpu_memory_buffer_manager_->set_allocate_succeeds(false); |
| EXPECT_EQ(0u, output_surface_->GetCurrentBuffer(&stencil)); |
| EXPECT_FALSE(current_frame()); |
| 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); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| 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); |
| 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); |
| EXPECT_GT(output_surface_->GetCurrentBuffer(&stencil), 0u); |
| 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); |
| SwapBuffers(small_damage); |
| testing::Mock::VerifyAndClearExpectations(mock_output_surface_); |
| } |
| |
| } // namespace |
| } // namespace viz |