| // Copyright 2012 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 "config.h" |
| #include "CCRendererGL.h" |
| |
| #include "CCDrawQuad.h" |
| #include "CCPrioritizedTextureManager.h" |
| #include "CCResourceProvider.h" |
| #include "CCSettings.h" |
| #include "CCSingleThreadProxy.h" |
| #include "CCTestCommon.h" |
| #include "FakeWebCompositorOutputSurface.h" |
| #include "FakeWebGraphicsContext3D.h" |
| #include "GraphicsContext3D.h" |
| #include "WebCompositorInitializer.h" |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| #include <public/WebTransformationMatrix.h> |
| |
| using namespace cc; |
| using namespace WebKit; |
| using namespace WebKitTests; |
| |
| class FrameCountingMemoryAllocationSettingContext : public FakeWebGraphicsContext3D { |
| public: |
| FrameCountingMemoryAllocationSettingContext() : m_frame(0) { } |
| |
| // WebGraphicsContext3D methods. |
| |
| // This method would normally do a glSwapBuffers under the hood. |
| virtual void prepareTexture() { m_frame++; } |
| virtual void setMemoryAllocationChangedCallbackCHROMIUM(WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) { m_memoryAllocationChangedCallback = callback; } |
| virtual WebString getString(WebKit::WGC3Denum name) |
| { |
| if (name == GraphicsContext3D::EXTENSIONS) |
| return WebString("GL_CHROMIUM_set_visibility GL_CHROMIUM_gpu_memory_manager GL_CHROMIUM_discard_framebuffer"); |
| return WebString(); |
| } |
| |
| // Methods added for test. |
| int frameCount() { return m_frame; } |
| void setMemoryAllocation(WebGraphicsMemoryAllocation allocation) |
| { |
| ASSERT(CCProxy::isImplThread()); |
| // In single threaded mode we expect this callback on main thread. |
| DebugScopedSetMainThread main; |
| m_memoryAllocationChangedCallback->onMemoryAllocationChanged(allocation); |
| } |
| |
| private: |
| int m_frame; |
| WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* m_memoryAllocationChangedCallback; |
| }; |
| |
| class FakeCCRendererClient : public CCRendererClient { |
| public: |
| FakeCCRendererClient() |
| : m_setFullRootLayerDamageCount(0) |
| , m_rootLayer(CCLayerImpl::create(1)) |
| , m_memoryAllocationLimitBytes(CCPrioritizedTextureManager::defaultMemoryAllocationLimit()) |
| { |
| m_rootLayer->createRenderSurface(); |
| CCRenderPass::Id renderPassId = m_rootLayer->renderSurface()->renderPassId(); |
| scoped_ptr<CCRenderPass> rootRenderPass = CCRenderPass::create(renderPassId, IntRect(), WebTransformationMatrix()); |
| m_renderPassesInDrawOrder.append(rootRenderPass.get()); |
| m_renderPasses.set(renderPassId, rootRenderPass.Pass()); |
| } |
| |
| // CCRendererClient methods. |
| virtual const IntSize& deviceViewportSize() const OVERRIDE { static IntSize fakeSize(1, 1); return fakeSize; } |
| virtual const CCLayerTreeSettings& settings() const OVERRIDE { static CCLayerTreeSettings fakeSettings; return fakeSettings; } |
| virtual void didLoseContext() OVERRIDE { } |
| virtual void onSwapBuffersComplete() OVERRIDE { } |
| virtual void setFullRootLayerDamage() OVERRIDE { m_setFullRootLayerDamageCount++; } |
| virtual void releaseContentsTextures() OVERRIDE { } |
| virtual void setMemoryAllocationLimitBytes(size_t bytes) OVERRIDE { m_memoryAllocationLimitBytes = bytes; } |
| |
| // Methods added for test. |
| int setFullRootLayerDamageCount() const { return m_setFullRootLayerDamageCount; } |
| |
| CCRenderPass* rootRenderPass() { return m_renderPassesInDrawOrder.last(); } |
| const CCRenderPassList& renderPassesInDrawOrder() const { return m_renderPassesInDrawOrder; } |
| const CCRenderPassIdHashMap& renderPasses() const { return m_renderPasses; } |
| |
| size_t memoryAllocationLimitBytes() const { return m_memoryAllocationLimitBytes; } |
| |
| private: |
| int m_setFullRootLayerDamageCount; |
| DebugScopedSetImplThread m_implThread; |
| OwnPtr<CCLayerImpl> m_rootLayer; |
| CCRenderPassList m_renderPassesInDrawOrder; |
| CCRenderPassIdHashMap m_renderPasses; |
| size_t m_memoryAllocationLimitBytes; |
| }; |
| |
| class FakeCCRendererGL : public CCRendererGL { |
| public: |
| FakeCCRendererGL(CCRendererClient* client, CCResourceProvider* resourceProvider) : CCRendererGL(client, resourceProvider) { } |
| |
| // CCRendererGL methods. |
| |
| // Changing visibility to public. |
| using CCRendererGL::initialize; |
| using CCRendererGL::isFramebufferDiscarded; |
| }; |
| |
| class CCRendererGLTest : public testing::Test { |
| protected: |
| CCRendererGLTest() |
| : m_suggestHaveBackbufferYes(1, true) |
| , m_suggestHaveBackbufferNo(1, false) |
| , m_compositorInitializer(0) |
| , m_context(FakeWebCompositorOutputSurface::create(adoptPtr(new FrameCountingMemoryAllocationSettingContext()))) |
| , m_resourceProvider(CCResourceProvider::create(m_context.get())) |
| , m_renderer(&m_mockClient, m_resourceProvider.get()) |
| { |
| } |
| |
| virtual void SetUp() |
| { |
| m_renderer.initialize(); |
| } |
| |
| void swapBuffers() |
| { |
| m_renderer.swapBuffers(); |
| } |
| |
| FrameCountingMemoryAllocationSettingContext* context() { return static_cast<FrameCountingMemoryAllocationSettingContext*>(m_context->context3D()); } |
| |
| WebGraphicsMemoryAllocation m_suggestHaveBackbufferYes; |
| WebGraphicsMemoryAllocation m_suggestHaveBackbufferNo; |
| |
| WebCompositorInitializer m_compositorInitializer; |
| OwnPtr<CCGraphicsContext> m_context; |
| FakeCCRendererClient m_mockClient; |
| OwnPtr<CCResourceProvider> m_resourceProvider; |
| FakeCCRendererGL m_renderer; |
| CCScopedSettings m_scopedSettings; |
| }; |
| |
| // Test CCRendererGL discardFramebuffer functionality: |
| // Suggest recreating framebuffer when one already exists. |
| // Expected: it does nothing. |
| TEST_F(CCRendererGLTest, SuggestBackbufferYesWhenItAlreadyExistsShouldDoNothing) |
| { |
| context()->setMemoryAllocation(m_suggestHaveBackbufferYes); |
| EXPECT_EQ(0, m_mockClient.setFullRootLayerDamageCount()); |
| EXPECT_FALSE(m_renderer.isFramebufferDiscarded()); |
| |
| swapBuffers(); |
| EXPECT_EQ(1, context()->frameCount()); |
| } |
| |
| // Test CCRendererGL discardFramebuffer functionality: |
| // Suggest discarding framebuffer when one exists and the renderer is not visible. |
| // Expected: it is discarded and damage tracker is reset. |
| TEST_F(CCRendererGLTest, SuggestBackbufferNoShouldDiscardBackbufferAndDamageRootLayerWhileNotVisible) |
| { |
| m_renderer.setVisible(false); |
| context()->setMemoryAllocation(m_suggestHaveBackbufferNo); |
| EXPECT_EQ(1, m_mockClient.setFullRootLayerDamageCount()); |
| EXPECT_TRUE(m_renderer.isFramebufferDiscarded()); |
| } |
| |
| // Test CCRendererGL discardFramebuffer functionality: |
| // Suggest discarding framebuffer when one exists and the renderer is visible. |
| // Expected: the allocation is ignored. |
| TEST_F(CCRendererGLTest, SuggestBackbufferNoDoNothingWhenVisible) |
| { |
| m_renderer.setVisible(true); |
| context()->setMemoryAllocation(m_suggestHaveBackbufferNo); |
| EXPECT_EQ(0, m_mockClient.setFullRootLayerDamageCount()); |
| EXPECT_FALSE(m_renderer.isFramebufferDiscarded()); |
| } |
| |
| |
| // Test CCRendererGL discardFramebuffer functionality: |
| // Suggest discarding framebuffer when one does not exist. |
| // Expected: it does nothing. |
| TEST_F(CCRendererGLTest, SuggestBackbufferNoWhenItDoesntExistShouldDoNothing) |
| { |
| m_renderer.setVisible(false); |
| context()->setMemoryAllocation(m_suggestHaveBackbufferNo); |
| EXPECT_EQ(1, m_mockClient.setFullRootLayerDamageCount()); |
| EXPECT_TRUE(m_renderer.isFramebufferDiscarded()); |
| |
| context()->setMemoryAllocation(m_suggestHaveBackbufferNo); |
| EXPECT_EQ(1, m_mockClient.setFullRootLayerDamageCount()); |
| EXPECT_TRUE(m_renderer.isFramebufferDiscarded()); |
| } |
| |
| // Test CCRendererGL discardFramebuffer functionality: |
| // Begin drawing a frame while a framebuffer is discarded. |
| // Expected: will recreate framebuffer. |
| TEST_F(CCRendererGLTest, DiscardedBackbufferIsRecreatedForScopeDuration) |
| { |
| m_renderer.setVisible(false); |
| context()->setMemoryAllocation(m_suggestHaveBackbufferNo); |
| EXPECT_TRUE(m_renderer.isFramebufferDiscarded()); |
| EXPECT_EQ(1, m_mockClient.setFullRootLayerDamageCount()); |
| |
| m_renderer.setVisible(true); |
| m_renderer.drawFrame(m_mockClient.renderPassesInDrawOrder(), m_mockClient.renderPasses()); |
| EXPECT_FALSE(m_renderer.isFramebufferDiscarded()); |
| |
| swapBuffers(); |
| EXPECT_EQ(1, context()->frameCount()); |
| } |
| |
| TEST_F(CCRendererGLTest, FramebufferDiscardedAfterReadbackWhenNotVisible) |
| { |
| m_renderer.setVisible(false); |
| context()->setMemoryAllocation(m_suggestHaveBackbufferNo); |
| EXPECT_TRUE(m_renderer.isFramebufferDiscarded()); |
| EXPECT_EQ(1, m_mockClient.setFullRootLayerDamageCount()); |
| |
| char pixels[4]; |
| m_renderer.drawFrame(m_mockClient.renderPassesInDrawOrder(), m_mockClient.renderPasses()); |
| EXPECT_FALSE(m_renderer.isFramebufferDiscarded()); |
| |
| m_renderer.getFramebufferPixels(pixels, IntRect(0, 0, 1, 1)); |
| EXPECT_TRUE(m_renderer.isFramebufferDiscarded()); |
| EXPECT_EQ(2, m_mockClient.setFullRootLayerDamageCount()); |
| } |
| |
| class ForbidSynchronousCallContext : public FakeWebGraphicsContext3D { |
| public: |
| ForbidSynchronousCallContext() { } |
| |
| virtual bool getActiveAttrib(WebGLId program, WGC3Duint index, ActiveInfo&) { ADD_FAILURE(); return false; } |
| virtual bool getActiveUniform(WebGLId program, WGC3Duint index, ActiveInfo&) { ADD_FAILURE(); return false; } |
| virtual void getAttachedShaders(WebGLId program, WGC3Dsizei maxCount, WGC3Dsizei* count, WebGLId* shaders) { ADD_FAILURE(); } |
| virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name) { ADD_FAILURE(); return 0; } |
| virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value) { ADD_FAILURE(); } |
| virtual void getBufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { ADD_FAILURE(); } |
| virtual Attributes getContextAttributes() { ADD_FAILURE(); return m_attrs; } |
| virtual WGC3Denum getError() { ADD_FAILURE(); return 0; } |
| virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value) { ADD_FAILURE(); } |
| virtual void getFramebufferAttachmentParameteriv(WGC3Denum target, WGC3Denum attachment, WGC3Denum pname, WGC3Dint* value) { ADD_FAILURE(); } |
| virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value) |
| { |
| if (pname == GraphicsContext3D::MAX_TEXTURE_SIZE) |
| *value = 1024; // MAX_TEXTURE_SIZE is cached client side, so it's OK to query. |
| else |
| ADD_FAILURE(); |
| } |
| |
| // We allow querying the shader compilation and program link status in debug mode, but not release. |
| virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value) |
| { |
| #ifndef NDEBUG |
| *value = 1; |
| #else |
| ADD_FAILURE(); |
| #endif |
| } |
| |
| virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value) |
| { |
| #ifndef NDEBUG |
| *value = 1; |
| #else |
| ADD_FAILURE(); |
| #endif |
| } |
| |
| virtual WebString getString(WGC3Denum name) |
| { |
| // We allow querying the extension string. |
| // FIXME: It'd be better to check that we only do this before starting any other expensive work (like starting a compilation) |
| if (name != GraphicsContext3D::EXTENSIONS) |
| ADD_FAILURE(); |
| return WebString(); |
| } |
| |
| virtual WebString getProgramInfoLog(WebGLId program) { ADD_FAILURE(); return WebString(); } |
| virtual void getRenderbufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { ADD_FAILURE(); } |
| |
| virtual WebString getShaderInfoLog(WebGLId shader) { ADD_FAILURE(); return WebString(); } |
| virtual void getShaderPrecisionFormat(WGC3Denum shadertype, WGC3Denum precisiontype, WGC3Dint* range, WGC3Dint* precision) { ADD_FAILURE(); } |
| virtual WebString getShaderSource(WebGLId shader) { ADD_FAILURE(); return WebString(); } |
| virtual void getTexParameterfv(WGC3Denum target, WGC3Denum pname, WGC3Dfloat* value) { ADD_FAILURE(); } |
| virtual void getTexParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) { ADD_FAILURE(); } |
| virtual void getUniformfv(WebGLId program, WGC3Dint location, WGC3Dfloat* value) { ADD_FAILURE(); } |
| virtual void getUniformiv(WebGLId program, WGC3Dint location, WGC3Dint* value) { ADD_FAILURE(); } |
| virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name) { ADD_FAILURE(); return 0; } |
| virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname, WGC3Dfloat* value) { ADD_FAILURE(); } |
| virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname, WGC3Dint* value) { ADD_FAILURE(); } |
| virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) { ADD_FAILURE(); return 0; } |
| }; |
| |
| // This test isn't using the same fixture as CCRendererGLTest, and you can't mix TEST() and TEST_F() with the same name, hence LRC2. |
| TEST(CCRendererGLTest2, initializationDoesNotMakeSynchronousCalls) |
| { |
| CCScopedSettings scopedSettings; |
| FakeCCRendererClient mockClient; |
| OwnPtr<CCGraphicsContext> context(FakeWebCompositorOutputSurface::create(adoptPtr(new ForbidSynchronousCallContext))); |
| OwnPtr<CCResourceProvider> resourceProvider(CCResourceProvider::create(context.get())); |
| FakeCCRendererGL renderer(&mockClient, resourceProvider.get()); |
| |
| EXPECT_TRUE(renderer.initialize()); |
| } |
| |
| class LoseContextOnFirstGetContext : public FakeWebGraphicsContext3D { |
| public: |
| LoseContextOnFirstGetContext() |
| : m_contextLost(false) |
| { |
| } |
| |
| virtual bool makeContextCurrent() OVERRIDE |
| { |
| return !m_contextLost; |
| } |
| |
| virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value) OVERRIDE |
| { |
| m_contextLost = true; |
| *value = 0; |
| } |
| |
| virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value) OVERRIDE |
| { |
| m_contextLost = true; |
| *value = 0; |
| } |
| |
| virtual WGC3Denum getGraphicsResetStatusARB() OVERRIDE |
| { |
| return m_contextLost ? 1 : 0; |
| } |
| |
| private: |
| bool m_contextLost; |
| }; |
| |
| TEST(CCRendererGLTest2, initializationWithQuicklyLostContextDoesNotAssert) |
| { |
| CCScopedSettings scopedSettings; |
| FakeCCRendererClient mockClient; |
| OwnPtr<CCGraphicsContext> context(FakeWebCompositorOutputSurface::create(adoptPtr(new LoseContextOnFirstGetContext))); |
| OwnPtr<CCResourceProvider> resourceProvider(CCResourceProvider::create(context.get())); |
| FakeCCRendererGL renderer(&mockClient, resourceProvider.get()); |
| |
| renderer.initialize(); |
| } |
| |
| class ContextThatDoesNotSupportMemoryManagmentExtensions : public FakeWebGraphicsContext3D { |
| public: |
| ContextThatDoesNotSupportMemoryManagmentExtensions() { } |
| |
| // WebGraphicsContext3D methods. |
| |
| // This method would normally do a glSwapBuffers under the hood. |
| virtual void prepareTexture() { } |
| virtual void setMemoryAllocationChangedCallbackCHROMIUM(WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) { } |
| virtual WebString getString(WebKit::WGC3Denum name) { return WebString(); } |
| }; |
| |
| TEST(CCRendererGLTest2, initializationWithoutGpuMemoryManagerExtensionSupportShouldDefaultToNonZeroAllocation) |
| { |
| FakeCCRendererClient mockClient; |
| OwnPtr<CCGraphicsContext> context(FakeWebCompositorOutputSurface::create(adoptPtr(new ContextThatDoesNotSupportMemoryManagmentExtensions))); |
| OwnPtr<CCResourceProvider> resourceProvider(CCResourceProvider::create(context.get())); |
| FakeCCRendererGL renderer(&mockClient, resourceProvider.get()); |
| |
| renderer.initialize(); |
| |
| EXPECT_GT(mockClient.memoryAllocationLimitBytes(), 0ul); |
| } |
| |
| class ClearCountingContext : public FakeWebGraphicsContext3D { |
| public: |
| ClearCountingContext() : m_clear(0) { } |
| |
| virtual void clear(WGC3Dbitfield) |
| { |
| m_clear++; |
| } |
| |
| int clearCount() const { return m_clear; } |
| |
| private: |
| int m_clear; |
| }; |
| |
| TEST(CCRendererGLTest2, opaqueBackground) |
| { |
| FakeCCRendererClient mockClient; |
| OwnPtr<CCGraphicsContext> ccContext(FakeWebCompositorOutputSurface::create(adoptPtr(new ClearCountingContext))); |
| ClearCountingContext* context = static_cast<ClearCountingContext*>(ccContext->context3D()); |
| OwnPtr<CCResourceProvider> resourceProvider(CCResourceProvider::create(ccContext.get())); |
| FakeCCRendererGL renderer(&mockClient, resourceProvider.get()); |
| |
| mockClient.rootRenderPass()->setHasTransparentBackground(false); |
| |
| EXPECT_TRUE(renderer.initialize()); |
| |
| renderer.drawFrame(mockClient.renderPassesInDrawOrder(), mockClient.renderPasses()); |
| |
| // On DEBUG builds, render passes with opaque background clear to blue to |
| // easily see regions that were not drawn on the screen. |
| #if defined(NDEBUG) |
| EXPECT_EQ(0, context->clearCount()); |
| #else |
| EXPECT_EQ(1, context->clearCount()); |
| #endif |
| } |
| |
| TEST(CCRendererGLTest2, transparentBackground) |
| { |
| FakeCCRendererClient mockClient; |
| OwnPtr<CCGraphicsContext> ccContext(FakeWebCompositorOutputSurface::create(adoptPtr(new ClearCountingContext))); |
| ClearCountingContext* context = static_cast<ClearCountingContext*>(ccContext->context3D()); |
| OwnPtr<CCResourceProvider> resourceProvider(CCResourceProvider::create(ccContext.get())); |
| FakeCCRendererGL renderer(&mockClient, resourceProvider.get()); |
| |
| mockClient.rootRenderPass()->setHasTransparentBackground(true); |
| |
| EXPECT_TRUE(renderer.initialize()); |
| |
| renderer.drawFrame(mockClient.renderPassesInDrawOrder(), mockClient.renderPasses()); |
| |
| EXPECT_EQ(1, context->clearCount()); |
| } |