| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "platform/graphics/gpu/DrawingBuffer.h" |
| |
| #include "gpu/command_buffer/client/gles2_interface_stub.h" |
| #include "gpu/command_buffer/common/capabilities.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/graphics/ImageBuffer.h" |
| #include "platform/graphics/UnacceleratedImageBufferSurface.h" |
| #include "platform/graphics/gpu/Extensions3DUtil.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebExternalTextureMailbox.h" |
| #include "public/platform/WebGraphicsContext3DProvider.h" |
| #include "public/platform/functional/WebFunction.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/PtrUtil.h" |
| #include "wtf/RefPtr.h" |
| #include <memory> |
| |
| using testing::Test; |
| using testing::_; |
| |
| namespace blink { |
| |
| namespace { |
| |
| // The target to use when binding a texture to a Chromium image. |
| GLenum imageCHROMIUMTextureTarget() |
| { |
| #if OS(MACOSX) |
| return GC3D_TEXTURE_RECTANGLE_ARB; |
| #else |
| return GL_TEXTURE_2D; |
| #endif |
| } |
| |
| // The target to use when preparing a mailbox texture. |
| GLenum drawingBufferTextureTarget() |
| { |
| if (RuntimeEnabledFeatures::webGLImageChromiumEnabled()) |
| return imageCHROMIUMTextureTarget(); |
| return GL_TEXTURE_2D; |
| } |
| |
| } // namespace |
| |
| class GLES2InterfaceForTests : public gpu::gles2::GLES2InterfaceStub { |
| public: |
| void BindTexture(GLenum target, GLuint texture) override |
| { |
| if (target != m_boundTextureTarget && texture == 0) |
| return; |
| |
| // For simplicity, only allow one target to ever be bound. |
| ASSERT_TRUE(m_boundTextureTarget == 0 || target == m_boundTextureTarget); |
| m_boundTextureTarget = target; |
| m_boundTexture = texture; |
| } |
| |
| GLuint64 InsertFenceSyncCHROMIUM() override |
| { |
| static GLuint64 syncPointGenerator = 0; |
| return ++syncPointGenerator; |
| } |
| |
| void WaitSyncTokenCHROMIUM(const GLbyte* syncToken) override |
| { |
| memcpy(&m_mostRecentlyWaitedSyncToken, syncToken, sizeof(m_mostRecentlyWaitedSyncToken)); |
| } |
| |
| GLenum CheckFramebufferStatus(GLenum target) override |
| { |
| return GL_FRAMEBUFFER_COMPLETE; |
| } |
| |
| void GetIntegerv(GLenum pname, GLint* value) override |
| { |
| if (pname == GL_MAX_TEXTURE_SIZE) |
| *value = 1024; |
| } |
| |
| void GetImageivCHROMIUM(GLuint imageId, GLenum pname, GLint* data) override |
| { |
| if (pname == GC3D_GPU_MEMORY_BUFFER_ID) |
| *data = 1; |
| else |
| *data = -1; |
| } |
| |
| void GenMailboxCHROMIUM(GLbyte* mailbox) override |
| { |
| ++m_currentMailboxByte; |
| WebExternalTextureMailbox temp; |
| memset(mailbox, m_currentMailboxByte, sizeof(temp.name)); |
| } |
| |
| void ProduceTextureDirectCHROMIUM(GLuint texture, GLenum target, const GLbyte* mailbox) override |
| { |
| ASSERT_EQ(target, drawingBufferTextureTarget()); |
| |
| if (!m_createImageChromiumFail) { |
| ASSERT_TRUE(m_textureSizes.contains(texture)); |
| m_mostRecentlyProducedSize = m_textureSizes.get(texture); |
| } |
| } |
| |
| void TexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void* pixels) override |
| { |
| if (target == GL_TEXTURE_2D && !level) { |
| m_textureSizes.set(m_boundTexture, IntSize(width, height)); |
| } |
| } |
| |
| GLuint CreateGpuMemoryBufferImageCHROMIUM(GLsizei width, GLsizei height, GLenum internalformat, GLenum usage) override |
| { |
| if (m_createImageChromiumFail) |
| return 0; |
| m_imageSizes.set(m_currentImageId, IntSize(width, height)); |
| return m_currentImageId++; |
| } |
| |
| MOCK_METHOD1(DestroyImageMock, void(GLuint imageId)); |
| void DestroyImageCHROMIUM(GLuint imageId) |
| { |
| m_imageSizes.remove(imageId); |
| // No textures should be bound to this. |
| ASSERT(m_imageToTextureMap.find(imageId) == m_imageToTextureMap.end()); |
| m_imageSizes.remove(imageId); |
| DestroyImageMock(imageId); |
| } |
| |
| MOCK_METHOD1(BindTexImage2DMock, void(GLint imageId)); |
| void BindTexImage2DCHROMIUM(GLenum target, GLint imageId) |
| { |
| if (target == imageCHROMIUMTextureTarget()) { |
| m_textureSizes.set(m_boundTexture, m_imageSizes.find(imageId)->value); |
| m_imageToTextureMap.set(imageId, m_boundTexture); |
| BindTexImage2DMock(imageId); |
| } |
| } |
| |
| MOCK_METHOD1(ReleaseTexImage2DMock, void(GLint imageId)); |
| void ReleaseTexImage2DCHROMIUM(GLenum target, GLint imageId) |
| { |
| if (target == imageCHROMIUMTextureTarget()) { |
| m_imageSizes.set(m_currentImageId, IntSize()); |
| m_imageToTextureMap.remove(imageId); |
| ReleaseTexImage2DMock(imageId); |
| } |
| } |
| |
| void GenSyncTokenCHROMIUM(GLuint64 fenceSync, GLbyte* syncToken) override |
| { |
| memcpy(syncToken, &fenceSync, sizeof(fenceSync)); |
| } |
| |
| void GenTextures(GLsizei n, GLuint* textures) override |
| { |
| static GLuint id = 1; |
| for (GLsizei i = 0; i < n; ++i) |
| textures[i] = id++; |
| } |
| |
| GLuint boundTexture() const { return m_boundTexture; } |
| GLuint boundTextureTarget() const { return m_boundTextureTarget; } |
| GLuint mostRecentlyWaitedSyncToken() const { return m_mostRecentlyWaitedSyncToken; } |
| GLuint nextImageIdToBeCreated() const { return m_currentImageId; } |
| IntSize mostRecentlyProducedSize() const { return m_mostRecentlyProducedSize; } |
| |
| void setCreateImageChromiumFail(bool fail) { m_createImageChromiumFail = fail; } |
| |
| private: |
| GLuint m_boundTexture = 0; |
| GLuint m_boundTextureTarget = 0; |
| GLuint m_mostRecentlyWaitedSyncToken = 0; |
| GLbyte m_currentMailboxByte = 0; |
| IntSize m_mostRecentlyProducedSize; |
| bool m_createImageChromiumFail = false; |
| GLuint m_currentImageId = 1; |
| HashMap<GLuint, IntSize> m_textureSizes; |
| HashMap<GLuint, IntSize> m_imageSizes; |
| HashMap<GLuint, GLuint> m_imageToTextureMap; |
| }; |
| |
| static const int initialWidth = 100; |
| static const int initialHeight = 100; |
| static const int alternateHeight = 50; |
| |
| class DrawingBufferForTests : public DrawingBuffer { |
| public: |
| static PassRefPtr<DrawingBufferForTests> create(std::unique_ptr<WebGraphicsContext3DProvider> contextProvider, const IntSize& size, PreserveDrawingBuffer preserve) |
| { |
| std::unique_ptr<Extensions3DUtil> extensionsUtil = Extensions3DUtil::create(contextProvider->contextGL()); |
| RefPtr<DrawingBufferForTests> drawingBuffer = adoptRef(new DrawingBufferForTests(std::move(contextProvider), std::move(extensionsUtil), preserve)); |
| bool multisampleExtensionSupported = false; |
| if (!drawingBuffer->initialize(size, multisampleExtensionSupported)) { |
| drawingBuffer->beginDestruction(); |
| return nullptr; |
| } |
| return drawingBuffer.release(); |
| } |
| |
| DrawingBufferForTests(std::unique_ptr<WebGraphicsContext3DProvider> contextProvider, std::unique_ptr<Extensions3DUtil> extensionsUtil, PreserveDrawingBuffer preserve) |
| : DrawingBuffer(std::move(contextProvider), std::move(extensionsUtil), false /* discardFramebufferSupported */, |
| true /* wantAlphaChannel */, false /* premultipliedAlpha */, preserve, WebGL1, |
| false /* wantDepth */, false /* wantStencil */) |
| , m_live(0) |
| { } |
| |
| ~DrawingBufferForTests() override |
| { |
| if (m_live) |
| *m_live = false; |
| } |
| |
| bool* m_live; |
| }; |
| |
| class WebGraphicsContext3DProviderForTests : public WebGraphicsContext3DProvider { |
| public: |
| WebGraphicsContext3DProviderForTests(std::unique_ptr<gpu::gles2::GLES2Interface> gl) |
| : m_gl(std::move(gl)) |
| { |
| } |
| |
| gpu::gles2::GLES2Interface* contextGL() override { return m_gl.get(); } |
| // Not used by WebGL code. |
| GrContext* grContext() override { return nullptr; } |
| bool bindToCurrentThread() override { return false; } |
| gpu::Capabilities getCapabilities() |
| { |
| return gpu::Capabilities(); |
| } |
| void setLostContextCallback(WebClosure) {} |
| void setErrorMessageCallback(WebFunction<void(const char*, int32_t id)>) {} |
| |
| private: |
| std::unique_ptr<gpu::gles2::GLES2Interface> m_gl; |
| }; |
| |
| class DrawingBufferTest : public Test { |
| protected: |
| void SetUp() override |
| { |
| std::unique_ptr<GLES2InterfaceForTests> gl = wrapUnique(new GLES2InterfaceForTests); |
| m_gl = gl.get(); |
| std::unique_ptr<WebGraphicsContext3DProviderForTests> provider = wrapUnique(new WebGraphicsContext3DProviderForTests(std::move(gl))); |
| m_drawingBuffer = DrawingBufferForTests::create(std::move(provider), IntSize(initialWidth, initialHeight), DrawingBuffer::Preserve); |
| CHECK(m_drawingBuffer); |
| } |
| |
| GLES2InterfaceForTests* m_gl; |
| RefPtr<DrawingBufferForTests> m_drawingBuffer; |
| }; |
| |
| TEST_F(DrawingBufferTest, verifyResizingProperlyAffectsMailboxes) |
| { |
| WebExternalTextureMailbox mailbox; |
| |
| IntSize initialSize(initialWidth, initialHeight); |
| IntSize alternateSize(initialWidth, alternateHeight); |
| |
| // Produce one mailbox at size 100x100. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize()); |
| |
| // Resize to 100x50. |
| m_drawingBuffer->reset(IntSize(initialWidth, alternateHeight)); |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| |
| // Produce a mailbox at this size. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(alternateSize, m_gl->mostRecentlyProducedSize()); |
| |
| // Reset to initial size. |
| m_drawingBuffer->reset(IntSize(initialWidth, initialHeight)); |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| |
| // Prepare another mailbox and verify that it's the correct size. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize()); |
| |
| // Prepare one final mailbox and verify that it's the correct size. |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize()); |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| m_drawingBuffer->beginDestruction(); |
| } |
| |
| TEST_F(DrawingBufferTest, verifyDestructionCompleteAfterAllMailboxesReleased) |
| { |
| bool live = true; |
| m_drawingBuffer->m_live = &live; |
| |
| WebExternalTextureMailbox mailbox1; |
| WebExternalTextureMailbox mailbox2; |
| WebExternalTextureMailbox mailbox3; |
| |
| IntSize initialSize(initialWidth, initialHeight); |
| |
| // Produce mailboxes. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox1, 0)); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox2, 0)); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox3, 0)); |
| |
| m_drawingBuffer->markContentsChanged(); |
| m_drawingBuffer->mailboxReleased(mailbox1, false); |
| |
| m_drawingBuffer->beginDestruction(); |
| EXPECT_EQ(live, true); |
| |
| DrawingBufferForTests* weakPointer = m_drawingBuffer.get(); |
| m_drawingBuffer.clear(); |
| EXPECT_EQ(live, true); |
| |
| weakPointer->markContentsChanged(); |
| weakPointer->mailboxReleased(mailbox2, false); |
| EXPECT_EQ(live, true); |
| |
| weakPointer->markContentsChanged(); |
| weakPointer->mailboxReleased(mailbox3, false); |
| EXPECT_EQ(live, false); |
| } |
| |
| TEST_F(DrawingBufferTest, verifyDrawingBufferStaysAliveIfResourcesAreLost) |
| { |
| bool live = true; |
| m_drawingBuffer->m_live = &live; |
| WebExternalTextureMailbox mailbox1; |
| WebExternalTextureMailbox mailbox2; |
| WebExternalTextureMailbox mailbox3; |
| |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox1, 0)); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox2, 0)); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox3, 0)); |
| |
| m_drawingBuffer->markContentsChanged(); |
| m_drawingBuffer->mailboxReleased(mailbox1, true); |
| EXPECT_EQ(live, true); |
| |
| m_drawingBuffer->beginDestruction(); |
| EXPECT_EQ(live, true); |
| |
| m_drawingBuffer->markContentsChanged(); |
| m_drawingBuffer->mailboxReleased(mailbox2, false); |
| EXPECT_EQ(live, true); |
| |
| DrawingBufferForTests* weakPtr = m_drawingBuffer.get(); |
| m_drawingBuffer.clear(); |
| EXPECT_EQ(live, true); |
| |
| weakPtr->markContentsChanged(); |
| weakPtr->mailboxReleased(mailbox3, true); |
| EXPECT_EQ(live, false); |
| } |
| |
| class TextureMailboxWrapper { |
| public: |
| explicit TextureMailboxWrapper(const WebExternalTextureMailbox& mailbox) |
| : m_mailbox(mailbox) |
| { } |
| |
| bool operator==(const TextureMailboxWrapper& other) const |
| { |
| return !memcmp(m_mailbox.name, other.m_mailbox.name, sizeof(m_mailbox.name)); |
| } |
| |
| bool operator!=(const TextureMailboxWrapper& other) const |
| { |
| return !(*this == other); |
| } |
| |
| private: |
| WebExternalTextureMailbox m_mailbox; |
| }; |
| |
| TEST_F(DrawingBufferTest, verifyOnlyOneRecycledMailboxMustBeKept) |
| { |
| WebExternalTextureMailbox mailbox1; |
| WebExternalTextureMailbox mailbox2; |
| WebExternalTextureMailbox mailbox3; |
| |
| // Produce mailboxes. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox1, 0)); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox2, 0)); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox3, 0)); |
| |
| // Release mailboxes by specific order; 1, 3, 2. |
| m_drawingBuffer->markContentsChanged(); |
| m_drawingBuffer->mailboxReleased(mailbox1, false); |
| m_drawingBuffer->markContentsChanged(); |
| m_drawingBuffer->mailboxReleased(mailbox3, false); |
| m_drawingBuffer->markContentsChanged(); |
| m_drawingBuffer->mailboxReleased(mailbox2, false); |
| |
| // The first recycled mailbox must be 2. 1 and 3 were deleted by FIFO order because |
| // DrawingBuffer never keeps more than one mailbox. |
| WebExternalTextureMailbox recycledMailbox1; |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&recycledMailbox1, 0)); |
| EXPECT_EQ(TextureMailboxWrapper(mailbox2), TextureMailboxWrapper(recycledMailbox1)); |
| |
| // The second recycled mailbox must be a new mailbox. |
| WebExternalTextureMailbox recycledMailbox2; |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&recycledMailbox2, 0)); |
| EXPECT_NE(TextureMailboxWrapper(mailbox1), TextureMailboxWrapper(recycledMailbox2)); |
| EXPECT_NE(TextureMailboxWrapper(mailbox2), TextureMailboxWrapper(recycledMailbox2)); |
| EXPECT_NE(TextureMailboxWrapper(mailbox3), TextureMailboxWrapper(recycledMailbox2)); |
| |
| m_drawingBuffer->mailboxReleased(recycledMailbox1, false); |
| m_drawingBuffer->mailboxReleased(recycledMailbox2, false); |
| m_drawingBuffer->beginDestruction(); |
| } |
| |
| TEST_F(DrawingBufferTest, verifyInsertAndWaitSyncTokenCorrectly) |
| { |
| WebExternalTextureMailbox mailbox; |
| |
| // Produce mailboxes. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_EQ(0u, m_gl->mostRecentlyWaitedSyncToken()); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| // prepareMailbox() does not wait for any sync point. |
| EXPECT_EQ(0u, m_gl->mostRecentlyWaitedSyncToken()); |
| |
| GLuint64 waitSyncToken = 0; |
| m_gl->GenSyncTokenCHROMIUM(m_gl->InsertFenceSyncCHROMIUM(), reinterpret_cast<GLbyte*>(&waitSyncToken)); |
| memcpy(mailbox.syncToken, &waitSyncToken, sizeof(waitSyncToken)); |
| mailbox.validSyncToken = true; |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| // m_drawingBuffer will wait for the sync point when recycling. |
| EXPECT_EQ(0u, m_gl->mostRecentlyWaitedSyncToken()); |
| |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| // m_drawingBuffer waits for the sync point when recycling in prepareMailbox(). |
| EXPECT_EQ(waitSyncToken, m_gl->mostRecentlyWaitedSyncToken()); |
| |
| m_drawingBuffer->beginDestruction(); |
| m_gl->GenSyncTokenCHROMIUM(m_gl->InsertFenceSyncCHROMIUM(), reinterpret_cast<GLbyte*>(&waitSyncToken)); |
| memcpy(mailbox.syncToken, &waitSyncToken, sizeof(waitSyncToken)); |
| mailbox.validSyncToken = true; |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| // m_drawingBuffer waits for the sync point because the destruction is in progress. |
| EXPECT_EQ(waitSyncToken, m_gl->mostRecentlyWaitedSyncToken()); |
| } |
| |
| class DrawingBufferImageChromiumTest : public DrawingBufferTest { |
| protected: |
| void SetUp() override |
| { |
| std::unique_ptr<GLES2InterfaceForTests> gl = wrapUnique(new GLES2InterfaceForTests); |
| m_gl = gl.get(); |
| std::unique_ptr<WebGraphicsContext3DProviderForTests> provider = wrapUnique(new WebGraphicsContext3DProviderForTests(std::move(gl))); |
| RuntimeEnabledFeatures::setWebGLImageChromiumEnabled(true); |
| m_imageId0 = m_gl->nextImageIdToBeCreated(); |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(m_imageId0)).Times(1); |
| m_drawingBuffer = DrawingBufferForTests::create(std::move(provider), |
| IntSize(initialWidth, initialHeight), DrawingBuffer::Preserve); |
| CHECK(m_drawingBuffer); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| } |
| |
| void TearDown() override |
| { |
| RuntimeEnabledFeatures::setWebGLImageChromiumEnabled(false); |
| } |
| |
| GLuint m_imageId0; |
| }; |
| |
| TEST_F(DrawingBufferImageChromiumTest, verifyResizingReallocatesImages) |
| { |
| WebExternalTextureMailbox mailbox; |
| |
| IntSize initialSize(initialWidth, initialHeight); |
| IntSize alternateSize(initialWidth, alternateHeight); |
| |
| GLuint m_imageId1 = m_gl->nextImageIdToBeCreated(); |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(m_imageId1)).Times(1); |
| // Produce one mailbox at size 100x100. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize()); |
| EXPECT_TRUE(mailbox.allowOverlay); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| GLuint m_imageId2 = m_gl->nextImageIdToBeCreated(); |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(m_imageId2)).Times(1); |
| EXPECT_CALL(*m_gl, DestroyImageMock(m_imageId0)).Times(1); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(m_imageId0)).Times(1); |
| // Resize to 100x50. |
| m_drawingBuffer->reset(IntSize(initialWidth, alternateHeight)); |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| GLuint m_imageId3 = m_gl->nextImageIdToBeCreated(); |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(m_imageId3)).Times(1); |
| EXPECT_CALL(*m_gl, DestroyImageMock(m_imageId1)).Times(1); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(m_imageId1)).Times(1); |
| // Produce a mailbox at this size. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(alternateSize, m_gl->mostRecentlyProducedSize()); |
| EXPECT_TRUE(mailbox.allowOverlay); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| GLuint m_imageId4 = m_gl->nextImageIdToBeCreated(); |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(m_imageId4)).Times(1); |
| EXPECT_CALL(*m_gl, DestroyImageMock(m_imageId2)).Times(1); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(m_imageId2)).Times(1); |
| // Reset to initial size. |
| m_drawingBuffer->reset(IntSize(initialWidth, initialHeight)); |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| GLuint m_imageId5 = m_gl->nextImageIdToBeCreated(); |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(m_imageId5)).Times(1); |
| EXPECT_CALL(*m_gl, DestroyImageMock(m_imageId3)).Times(1); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(m_imageId3)).Times(1); |
| // Prepare another mailbox and verify that it's the correct size. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize()); |
| EXPECT_TRUE(mailbox.allowOverlay); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| // Prepare one final mailbox and verify that it's the correct size. |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| EXPECT_EQ(initialSize, m_gl->mostRecentlyProducedSize()); |
| EXPECT_TRUE(mailbox.allowOverlay); |
| m_drawingBuffer->mailboxReleased(mailbox, false); |
| |
| EXPECT_CALL(*m_gl, DestroyImageMock(m_imageId5)).Times(1); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(m_imageId5)).Times(1); |
| EXPECT_CALL(*m_gl, DestroyImageMock(m_imageId4)).Times(1); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(m_imageId4)).Times(1); |
| m_drawingBuffer->beginDestruction(); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| } |
| |
| TEST_F(DrawingBufferImageChromiumTest, allocationFailure) |
| { |
| WebExternalTextureMailbox mailboxes[3]; |
| |
| // Request a mailbox. An image should already be created. Everything works |
| // as expected. |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(_)).Times(1); |
| IntSize initialSize(initialWidth, initialHeight); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailboxes[0], 0)); |
| EXPECT_TRUE(mailboxes[0].allowOverlay); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| // Force image CHROMIUM creation failure. Request another mailbox. It should |
| // still be provided, but this time with allowOverlay = false. |
| m_gl->setCreateImageChromiumFail(true); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailboxes[1], 0)); |
| EXPECT_FALSE(mailboxes[1].allowOverlay); |
| |
| // Check that if image CHROMIUM starts working again, mailboxes are |
| // correctly created with allowOverlay = true. |
| EXPECT_CALL(*m_gl, BindTexImage2DMock(_)).Times(1); |
| m_gl->setCreateImageChromiumFail(false); |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailboxes[2], 0)); |
| EXPECT_TRUE(mailboxes[2].allowOverlay); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| |
| for (int i = 0; i < 3; ++i) |
| m_drawingBuffer->mailboxReleased(mailboxes[i], false); |
| |
| EXPECT_CALL(*m_gl, DestroyImageMock(_)).Times(3); |
| EXPECT_CALL(*m_gl, ReleaseTexImage2DMock(_)).Times(3); |
| m_drawingBuffer->beginDestruction(); |
| testing::Mock::VerifyAndClearExpectations(m_gl); |
| } |
| |
| class DepthStencilTrackingGLES2Interface : public gpu::gles2::GLES2InterfaceStub { |
| public: |
| void FramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) override |
| { |
| switch (attachment) { |
| case GL_DEPTH_ATTACHMENT: |
| m_depthAttachment = renderbuffer; |
| break; |
| case GL_STENCIL_ATTACHMENT: |
| m_stencilAttachment = renderbuffer; |
| break; |
| case GL_DEPTH_STENCIL_ATTACHMENT: |
| m_depthStencilAttachment = renderbuffer; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| break; |
| } |
| } |
| |
| GLenum CheckFramebufferStatus(GLenum target) override |
| { |
| return GL_FRAMEBUFFER_COMPLETE; |
| } |
| |
| void GetIntegerv(GLenum ptype, GLint* value) override |
| { |
| switch (ptype) { |
| case GL_MAX_TEXTURE_SIZE: |
| *value = 1024; |
| return; |
| } |
| } |
| |
| const GLubyte* GetString(GLenum type) override |
| { |
| if (type == GL_EXTENSIONS) |
| return reinterpret_cast<const GLubyte*>("GL_OES_packed_depth_stencil"); |
| return reinterpret_cast<const GLubyte*>(""); |
| } |
| |
| void GenRenderbuffers(GLsizei n, GLuint* renderbuffers) override |
| { |
| for (GLsizei i = 0; i < n; ++i) |
| renderbuffers[i] = m_nextGenRenderbufferId++; |
| } |
| |
| GLuint stencilAttachment() const { return m_stencilAttachment; } |
| GLuint depthAttachment() const { return m_depthAttachment; } |
| GLuint depthStencilAttachment() const { return m_depthStencilAttachment; } |
| size_t numAllocatedRenderBuffer() const { return m_nextGenRenderbufferId - 1; } |
| |
| private: |
| GLuint m_nextGenRenderbufferId = 1; |
| GLuint m_depthAttachment = 0; |
| GLuint m_stencilAttachment = 0; |
| GLuint m_depthStencilAttachment = 0; |
| }; |
| |
| struct DepthStencilTestCase { |
| DepthStencilTestCase(bool requestStencil, bool requestDepth, int expectedRenderBuffers, const char* const testCaseName) |
| : requestStencil(requestStencil) |
| , requestDepth(requestDepth) |
| , expectedRenderBuffers(expectedRenderBuffers) |
| , testCaseName(testCaseName) { } |
| |
| bool requestStencil; |
| bool requestDepth; |
| size_t expectedRenderBuffers; |
| const char* const testCaseName; |
| }; |
| |
| // This tests that when the packed depth+stencil extension is supported DrawingBuffer always allocates |
| // a single packed renderbuffer if either is requested and properly computes the actual context attributes |
| // as defined by WebGL. We always allocate a packed buffer in this case since many desktop OpenGL drivers |
| // that support this extension do not consider a framebuffer with only a depth or a stencil buffer attached |
| // to be complete. |
| TEST(DrawingBufferDepthStencilTest, packedDepthStencilSupported) |
| { |
| DepthStencilTestCase cases[] = { |
| DepthStencilTestCase(false, false, 0, "neither"), |
| DepthStencilTestCase(true, false, 1, "stencil only"), |
| DepthStencilTestCase(false, true, 1, "depth only"), |
| DepthStencilTestCase(true, true, 1, "both"), |
| }; |
| |
| for (size_t i = 0; i < WTF_ARRAY_LENGTH(cases); i++) { |
| SCOPED_TRACE(cases[i].testCaseName); |
| std::unique_ptr<DepthStencilTrackingGLES2Interface> gl = wrapUnique(new DepthStencilTrackingGLES2Interface); |
| DepthStencilTrackingGLES2Interface* trackingGL = gl.get(); |
| std::unique_ptr<WebGraphicsContext3DProviderForTests> provider = wrapUnique(new WebGraphicsContext3DProviderForTests(std::move(gl))); |
| DrawingBuffer::PreserveDrawingBuffer preserve = DrawingBuffer::Preserve; |
| |
| bool premultipliedAlpha = false; |
| bool wantAlphaChannel = true; |
| bool wantDepthBuffer = cases[i].requestDepth; |
| bool wantStencilBuffer = cases[i].requestStencil; |
| bool wantAntialiasing = false; |
| RefPtr<DrawingBuffer> drawingBuffer = DrawingBuffer::create( |
| std::move(provider), |
| IntSize(10, 10), |
| premultipliedAlpha, |
| wantAlphaChannel, |
| wantDepthBuffer, |
| wantStencilBuffer, |
| wantAntialiasing, |
| preserve, |
| DrawingBuffer::WebGL1); |
| |
| // When we request a depth or a stencil buffer, we will get both. |
| EXPECT_EQ(cases[i].requestDepth || cases[i].requestStencil, drawingBuffer->hasDepthBuffer()); |
| EXPECT_EQ(cases[i].requestDepth || cases[i].requestStencil, drawingBuffer->hasStencilBuffer()); |
| EXPECT_EQ(cases[i].expectedRenderBuffers, trackingGL->numAllocatedRenderBuffer()); |
| if (cases[i].requestDepth || cases[i].requestStencil) { |
| EXPECT_NE(0u, trackingGL->depthStencilAttachment()); |
| EXPECT_EQ(0u, trackingGL->depthAttachment()); |
| EXPECT_EQ(0u, trackingGL->stencilAttachment()); |
| } else { |
| EXPECT_EQ(0u, trackingGL->depthStencilAttachment()); |
| EXPECT_EQ(0u, trackingGL->depthAttachment()); |
| EXPECT_EQ(0u, trackingGL->stencilAttachment()); |
| } |
| |
| drawingBuffer->reset(IntSize(10, 20)); |
| EXPECT_EQ(cases[i].requestDepth || cases[i].requestStencil, drawingBuffer->hasDepthBuffer()); |
| EXPECT_EQ(cases[i].requestDepth || cases[i].requestStencil, drawingBuffer->hasStencilBuffer()); |
| EXPECT_EQ(cases[i].expectedRenderBuffers, trackingGL->numAllocatedRenderBuffer()); |
| if (cases[i].requestDepth || cases[i].requestStencil) { |
| EXPECT_NE(0u, trackingGL->depthStencilAttachment()); |
| EXPECT_EQ(0u, trackingGL->depthAttachment()); |
| EXPECT_EQ(0u, trackingGL->stencilAttachment()); |
| } else { |
| EXPECT_EQ(0u, trackingGL->depthStencilAttachment()); |
| EXPECT_EQ(0u, trackingGL->depthAttachment()); |
| EXPECT_EQ(0u, trackingGL->stencilAttachment()); |
| } |
| |
| drawingBuffer->beginDestruction(); |
| } |
| } |
| |
| TEST_F(DrawingBufferTest, verifySetIsHiddenProperlyAffectsMailboxes) |
| { |
| blink::WebExternalTextureMailbox mailbox; |
| |
| // Produce mailboxes. |
| m_drawingBuffer->markContentsChanged(); |
| EXPECT_TRUE(m_drawingBuffer->prepareMailbox(&mailbox, 0)); |
| |
| m_gl->GenSyncTokenCHROMIUM(m_gl->InsertFenceSyncCHROMIUM(), mailbox.syncToken); |
| mailbox.validSyncToken = true; |
| m_drawingBuffer->setIsHidden(true); |
| m_drawingBuffer->mailboxReleased(mailbox); |
| // m_drawingBuffer deletes mailbox immediately when hidden. |
| |
| GLuint waitSyncToken = 0; |
| memcpy(&waitSyncToken, mailbox.syncToken, sizeof(waitSyncToken)); |
| EXPECT_EQ(waitSyncToken, m_gl->mostRecentlyWaitedSyncToken()); |
| |
| m_drawingBuffer->beginDestruction(); |
| } |
| |
| } // namespace blink |