gpu: Allow fences to check whether a flush has occurred

gpu/command_buffer/service/mailbox_manager_unittest.cc

 // Copyright 2013 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 "gpu/command_buffer/service/mailbox_manager.h"
 
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/mailbox_synchronizer.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gl/gl_context_stub.h"
 #include "ui/gl/gl_mock.h"
+#include "ui/gl/gl_surface_stub.h"
 
 namespace gpu {
 namespace gles2 {
 
 using namespace ::testing;
 
 class MailboxManagerTest : public testing::Test {
  public:
   MailboxManagerTest() {}
   virtual ~MailboxManagerTest() {}
@@ skipping 159 matching lines @@
   MailboxManagerSyncTest() {}
   virtual ~MailboxManagerSyncTest() {}
 
  protected:
   virtual void SetUp() {
     MailboxSynchronizer::Initialize();
     MailboxManagerTest::SetUp();
     manager2_ = new MailboxManager;
     gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
     ::gfx::MockGLInterface::SetGLInterface(gl_.get());
+    context_ = new gfx::GLContextStub();
+    surface_ = new gfx::GLSurfaceStub();
+    context_->MakeCurrent(surface_);
   }
 
   Texture* DefineTexture() {
     Texture* texture = CreateTexture();
     const GLsizei levels_needed = TextureManager::ComputeMipMapCount(
         GL_TEXTURE_2D, kMaxTextureWidth, kMaxTextureHeight, kMaxTextureDepth);
     SetTarget(texture, GL_TEXTURE_2D, levels_needed);
     SetLevelInfo(texture,
                  GL_TEXTURE_2D,
                  0,
@@ skipping 41 matching lines @@
         .Times(1)
         .RetiresOnSaturation();
     EXPECT_CALL(*gl_, BindTexture(GL_TEXTURE_2D, kCurrentTexture))
         .Times(1)
         .RetiresOnSaturation();
   }
 
   virtual void TearDown() {
     MailboxManagerTest::TearDown();
     MailboxSynchronizer::Terminate();
+    context_->ReleaseCurrent(NULL);
     ::gfx::MockGLInterface::SetGLInterface(NULL);
     gl_.reset();
   }
 
   scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   scoped_refptr<MailboxManager> manager2_;
+  scoped_refptr<gfx::GLContext> context_;
+  scoped_refptr<gfx::GLSurface> surface_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MailboxManagerSyncTest);
 };
 
 TEST_F(MailboxManagerSyncTest, ProduceDestroy) {
   Texture* texture = DefineTexture();
   Mailbox name = Mailbox::Generate();
 
   InSequence sequence;
   manager_->ProduceTexture(GL_TEXTURE_2D, name, texture);
   EXPECT_EQ(texture, manager_->ConsumeTexture(GL_TEXTURE_2D, name));
 
   DestroyTexture(texture);
   EXPECT_EQ(NULL, manager_->ConsumeTexture(GL_TEXTURE_2D, name));
   EXPECT_EQ(NULL, manager2_->ConsumeTexture(GL_TEXTURE_2D, name));
 }
 
 TEST_F(MailboxManagerSyncTest, ProduceSyncDestroy) {
   InSequence sequence;
 
   Texture* texture = DefineTexture();
   Mailbox name = Mailbox::Generate();
 
   manager_->ProduceTexture(GL_TEXTURE_2D, name, texture);
   EXPECT_EQ(texture, manager_->ConsumeTexture(GL_TEXTURE_2D, name));
 
   // Synchronize
-  EXPECT_CALL(*gl_, Flush()).Times(1);
   manager_->PushTextureUpdates();
   manager2_->PullTextureUpdates();
 
   DestroyTexture(texture);
   EXPECT_EQ(NULL, manager_->ConsumeTexture(GL_TEXTURE_2D, name));
   EXPECT_EQ(NULL, manager2_->ConsumeTexture(GL_TEXTURE_2D, name));
 }
 
 // Duplicates a texture into a second manager instance, and then
 // makes sure a redefinition becomes visible there too.
 TEST_F(MailboxManagerSyncTest, ProduceConsumeResize) {
   const GLuint kNewTextureId = 1234;
   InSequence sequence;
 
   Texture* texture = DefineTexture();
   Mailbox name = Mailbox::Generate();
 
   manager_->ProduceTexture(GL_TEXTURE_2D, name, texture);
   EXPECT_EQ(texture, manager_->ConsumeTexture(GL_TEXTURE_2D, name));
 
   // Synchronize
-  EXPECT_CALL(*gl_, Flush()).Times(1);
   manager_->PushTextureUpdates();
   manager2_->PullTextureUpdates();
 
   EXPECT_CALL(*gl_, GenTextures(1, _))
       .WillOnce(SetArgPointee<1>(kNewTextureId));
   SetupUpdateTexParamExpectations(
       kNewTextureId, GL_LINEAR, GL_LINEAR, GL_REPEAT, GL_REPEAT);
   Texture* new_texture = manager2_->ConsumeTexture(GL_TEXTURE_2D, name);
   EXPECT_FALSE(new_texture == NULL);
   EXPECT_NE(texture, new_texture);
   EXPECT_EQ(kNewTextureId, new_texture->service_id());
 
   // Resize original texture
   SetLevelInfo(texture,
                GL_TEXTURE_2D,
                0,
                GL_RGBA,
                16,
                32,
                1,
                0,
                GL_RGBA,
                GL_UNSIGNED_BYTE,
                true);
   // Should have been orphaned
   EXPECT_TRUE(texture->GetLevelImage(GL_TEXTURE_2D, 0) == NULL);
 
   // Synchronize again
-  EXPECT_CALL(*gl_, Flush()).Times(1);
   manager_->PushTextureUpdates();
   SetupUpdateTexParamExpectations(
       kNewTextureId, GL_LINEAR, GL_LINEAR, GL_REPEAT, GL_REPEAT);
   manager2_->PullTextureUpdates();
   GLsizei width, height;
   new_texture->GetLevelSize(GL_TEXTURE_2D, 0, &width, &height);
   EXPECT_EQ(16, width);
   EXPECT_EQ(32, height);
 
   // Should have gotten a new attachment
@@ skipping 41 matching lines @@
   Mailbox name1 = Mailbox::Generate();
   Texture* texture2 = DefineTexture();
   Mailbox name2 = Mailbox::Generate();
   Texture* new_texture1 = NULL;
   Texture* new_texture2 = NULL;
 
   manager_->ProduceTexture(GL_TEXTURE_2D, name1, texture1);
   manager2_->ProduceTexture(GL_TEXTURE_2D, name2, texture2);
 
   // Make visible.
-  EXPECT_CALL(*gl_, Flush()).Times(2);
   manager_->PushTextureUpdates();
   manager2_->PushTextureUpdates();
 
   // Create textures in the other manager instances for texture1 and texture2,
   // respectively to create a real sharing scenario. Otherwise, there would
   // never be conflicting updates/pushes.
   {
     InSequence sequence;
     EXPECT_CALL(*gl_, GenTextures(1, _))
         .WillOnce(SetArgPointee<1>(kNewTextureId1));
@@ skipping 18 matching lines @@
   manager_->PullTextureUpdates();
 
   // Make a change to texture2
   DCHECK_EQ(static_cast<GLuint>(GL_LINEAR), texture2->mag_filter());
   EXPECT_EQ(static_cast<GLenum>(GL_NO_ERROR),
             SetParameter(texture2, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
 
   Mock::VerifyAndClearExpectations(gl_.get());
 
   // Synchronize in both directions
-  EXPECT_CALL(*gl_, Flush()).Times(2);
   manager_->PushTextureUpdates();
   manager2_->PushTextureUpdates();
   // manager1 should see the change to texture2 mag_filter being applied.
   SetupUpdateTexParamExpectations(
       new_texture2->service_id(), GL_LINEAR, GL_NEAREST, GL_REPEAT, GL_REPEAT);
   manager_->PullTextureUpdates();
   // manager2 should see the change to texture1 min_filter being applied.
   SetupUpdateTexParamExpectations(
       new_texture1->service_id(), GL_NEAREST, GL_LINEAR, GL_REPEAT, GL_REPEAT);
   manager2_->PullTextureUpdates();
 
   DestroyTexture(texture1);
   DestroyTexture(texture2);
   DestroyTexture(new_texture1);
   DestroyTexture(new_texture2);
 }
 
 // TODO: different texture into same mailbox
 
 // TODO: same texture, multiple mailboxes
 
 // TODO: Produce incomplete texture
 
 // TODO: Texture::level_infos_[][].size()
 
 // TODO: unsupported targets and formats
 
 }  // namespace gles2
 }  // namespace gpu