Implement support for rendering to 32-bit float textures on ES3

gpu/command_buffer/service/framebuffer_manager_unittest.cc

 // Copyright (c) 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 "gpu/command_buffer/service/error_state_mock.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 #include "gpu/command_buffer/service/feature_info.h"
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "gpu/command_buffer/service/texture_manager.h"
@@ skipping 15 matching lines @@
 }  // namespace
 
 class FramebufferManagerTest : public testing::Test {
  public:
   FramebufferManagerTest()
       : manager_(1, 1),
         texture_manager_(
           NULL, new FeatureInfo(), kMaxTextureSize, kMaxCubemapSize),
         renderbuffer_manager_(NULL, kMaxRenderbufferSize, kMaxSamples,
                               kDepth24Supported) {
-
   }
   virtual ~FramebufferManagerTest() {
     manager_.Destroy(false);
     texture_manager_.Destroy(false);
     renderbuffer_manager_.Destroy(false);
   }
 
  protected:
   virtual void SetUp() {
     gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
@@ skipping 56 matching lines @@
   ASSERT_TRUE(framebuffer1 == NULL);
 }
 
 class FramebufferInfoTest : public testing::Test {
  public:
   static const GLuint kClient1Id = 1;
   static const GLuint kService1Id = 11;
 
   FramebufferInfoTest()
       : manager_(1, 1),
-        texture_manager_(
-          NULL, new FeatureInfo(), kMaxTextureSize, kMaxCubemapSize),
+        feature_info_(new FeatureInfo()),
         renderbuffer_manager_(NULL, kMaxRenderbufferSize, kMaxSamples,
                               kDepth24Supported) {
+    texture_manager_.reset(new TextureManager(NULL, feature_info_.get(),
+        kMaxTextureSize, kMaxCubemapSize));
   }
   virtual ~FramebufferInfoTest() {
     manager_.Destroy(false);
-    texture_manager_.Destroy(false);
+    texture_manager_->Destroy(false);
     renderbuffer_manager_.Destroy(false);
   }
 
  protected:
   virtual void SetUp() {
+    InitializeContext("", "");
+  }
+
+  void InitializeContext(const char* gl_version, const char* extensions) {
     gl_.reset(new ::testing::StrictMock< ::gfx::MockGLInterface>());
     ::gfx::MockGLInterface::SetGLInterface(gl_.get());
+    TestHelper::SetupFeatureInfoInitExpectationsWithGLVersion(gl_.get(),
+        extensions, "", gl_version);
+    feature_info_->Initialize();
     manager_.CreateFramebuffer(kClient1Id, kService1Id);
     error_state_.reset(new ::testing::StrictMock<gles2::MockErrorState>());
     framebuffer_ = manager_.GetFramebuffer(kClient1Id);
     ASSERT_TRUE(framebuffer_ != NULL);
   }
 
   virtual void TearDown() {
     ::gfx::MockGLInterface::SetGLInterface(NULL);
     gl_.reset();
   }
 
   // Use StrictMock to make 100% sure we know how GL will be called.
   scoped_ptr< ::testing::StrictMock< ::gfx::MockGLInterface> > gl_;
   FramebufferManager manager_;
   Framebuffer* framebuffer_;
-  TextureManager texture_manager_;
+  scoped_refptr<FeatureInfo> feature_info_;
+  scoped_ptr<TextureManager> texture_manager_;
   RenderbufferManager renderbuffer_manager_;
   scoped_ptr<MockErrorState> error_state_;
 };
 
 // GCC requires these declarations, but MSVC requires they not be present
 #ifndef COMPILER_MSVC
 const GLuint FramebufferInfoTest::kClient1Id;
 const GLuint FramebufferInfoTest::kService1Id;
 #endif
 
 TEST_F(FramebufferInfoTest, Basic) {
   EXPECT_EQ(kService1Id, framebuffer_->service_id());
   EXPECT_FALSE(framebuffer_->IsDeleted());
   EXPECT_TRUE(NULL == framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_TRUE(NULL == framebuffer_->GetAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_TRUE(NULL == framebuffer_->GetAttachment(GL_STENCIL_ATTACHMENT));
   EXPECT_TRUE(
       NULL == framebuffer_->GetAttachment(GL_DEPTH_STENCIL_ATTACHMENT));
   EXPECT_FALSE(framebuffer_->HasDepthAttachment());
   EXPECT_FALSE(framebuffer_->HasStencilAttachment());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
   EXPECT_EQ(static_cast<GLenum>(0), framebuffer_->GetColorAttachmentFormat());
   EXPECT_FALSE(manager_.IsComplete(framebuffer_));
 }
 
 TEST_F(FramebufferInfoTest, AttachRenderbuffer) {
   const GLuint kRenderbufferClient1Id = 33;
   const GLuint kRenderbufferService1Id = 333;
   const GLuint kRenderbufferClient2Id = 34;
   const GLuint kRenderbufferService2Id = 334;
@@ skipping 33 matching lines @@
 
   // check adding one attachment
   framebuffer_->AttachRenderbuffer(GL_COLOR_ATTACHMENT0, renderbuffer1);
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_EQ(static_cast<GLenum>(GL_RGBA4),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_FALSE(framebuffer_->HasDepthAttachment());
   EXPECT_FALSE(framebuffer_->HasStencilAttachment());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
 
   // Try a format that's not good for COLOR_ATTACHMENT0.
   renderbuffer_manager_.SetInfo(
       renderbuffer1, kSamples1, kBadFormat1, kWidth1, kHeight1);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Try a good format.
   renderbuffer_manager_.SetInfo(
       renderbuffer1, kSamples1, kFormat1, kWidth1, kHeight1);
   EXPECT_EQ(static_cast<GLenum>(kFormat1),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_FALSE(framebuffer_->HasDepthAttachment());
   EXPECT_FALSE(framebuffer_->HasStencilAttachment());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_FALSE(framebuffer_->IsCleared());
 
   // check adding another
   renderbuffer_manager_.CreateRenderbuffer(
       kRenderbufferClient2Id, kRenderbufferService2Id);
   Renderbuffer* renderbuffer2 =
       renderbuffer_manager_.GetRenderbuffer(kRenderbufferClient2Id);
   ASSERT_TRUE(renderbuffer2 != NULL);
   framebuffer_->AttachRenderbuffer(GL_DEPTH_ATTACHMENT, renderbuffer2);
   EXPECT_TRUE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_EQ(static_cast<GLenum>(kFormat1),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_TRUE(framebuffer_->HasDepthAttachment());
   EXPECT_FALSE(framebuffer_->HasStencilAttachment());
   // The attachment has a size of 0,0 so depending on the order of the map
   // of attachments it could either get INCOMPLETE_ATTACHMENT because it's 0,0
   // or INCOMPLETE_DIMENSIONS because it's not the same size as the other
   // attachment.
-  GLenum status = framebuffer_->IsPossiblyComplete();
+  GLenum status = framebuffer_->IsPossiblyComplete(feature_info_.get());
   EXPECT_TRUE(
       status == GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT ||
       status == GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT);
   EXPECT_FALSE(framebuffer_->IsCleared());
 
   renderbuffer_manager_.SetInfo(
       renderbuffer2, kSamples2, kFormat2, kWidth2, kHeight2);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_FALSE(framebuffer_->IsCleared());
   EXPECT_TRUE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
 
   // check marking them as cleared.
   manager_.MarkAttachmentsAsCleared(
-      framebuffer_, &renderbuffer_manager_, &texture_manager_);
+      framebuffer_, &renderbuffer_manager_, texture_manager_.get());
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
 
   // Check adding one that is already cleared.
   renderbuffer_manager_.CreateRenderbuffer(
       kRenderbufferClient3Id, kRenderbufferService3Id);
   Renderbuffer* renderbuffer3 =
       renderbuffer_manager_.GetRenderbuffer(kRenderbufferClient3Id);
   ASSERT_TRUE(renderbuffer3 != NULL);
   renderbuffer_manager_.SetInfo(
       renderbuffer3, kSamples3, kFormat3, kWidth3, kHeight3);
   renderbuffer_manager_.SetCleared(renderbuffer3, true);
 
   framebuffer_->AttachRenderbuffer(GL_STENCIL_ATTACHMENT, renderbuffer3);
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
   EXPECT_EQ(static_cast<GLenum>(kFormat1),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_TRUE(framebuffer_->HasDepthAttachment());
   EXPECT_TRUE(framebuffer_->HasStencilAttachment());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
 
   // Check marking the renderbuffer as unclared.
   renderbuffer_manager_.SetInfo(
       renderbuffer1, kSamples1, kFormat1, kWidth1, kHeight1);
   EXPECT_EQ(static_cast<GLenum>(kFormat1),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_TRUE(framebuffer_->HasDepthAttachment());
   EXPECT_TRUE(framebuffer_->HasStencilAttachment());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_FALSE(framebuffer_->IsCleared());
 
   const Framebuffer::Attachment* attachment =
       framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0);
   ASSERT_TRUE(attachment != NULL);
   EXPECT_EQ(kWidth1, attachment->width());
   EXPECT_EQ(kHeight1, attachment->height());
   EXPECT_EQ(kSamples1, attachment->samples());
   EXPECT_EQ(kFormat1, attachment->internal_format());
   EXPECT_FALSE(attachment->cleared());
 
   EXPECT_TRUE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
 
   // Clear it.
   manager_.MarkAttachmentsAsCleared(
-      framebuffer_, &renderbuffer_manager_, &texture_manager_);
+      framebuffer_, &renderbuffer_manager_, texture_manager_.get());
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_TRUE(framebuffer_->IsCleared());
 
   // Check replacing an attachment
   renderbuffer_manager_.CreateRenderbuffer(
       kRenderbufferClient4Id, kRenderbufferService4Id);
   Renderbuffer* renderbuffer4 =
       renderbuffer_manager_.GetRenderbuffer(kRenderbufferClient4Id);
   ASSERT_TRUE(renderbuffer4 != NULL);
   renderbuffer_manager_.SetInfo(
       renderbuffer4, kSamples4, kFormat4, kWidth4, kHeight4);
 
   framebuffer_->AttachRenderbuffer(GL_STENCIL_ATTACHMENT, renderbuffer4);
   EXPECT_TRUE(framebuffer_->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
   EXPECT_FALSE(framebuffer_->IsCleared());
 
   attachment = framebuffer_->GetAttachment(GL_STENCIL_ATTACHMENT);
   ASSERT_TRUE(attachment != NULL);
   EXPECT_EQ(kWidth4, attachment->width());
   EXPECT_EQ(kHeight4, attachment->height());
   EXPECT_EQ(kSamples4, attachment->samples());
   EXPECT_EQ(kFormat4, attachment->internal_format());
   EXPECT_FALSE(attachment->cleared());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Check changing an attachment.
   renderbuffer_manager_.SetInfo(
       renderbuffer4, kSamples4, kFormat4, kWidth4 + 1, kHeight4);
 
   attachment = framebuffer_->GetAttachment(GL_STENCIL_ATTACHMENT);
   ASSERT_TRUE(attachment != NULL);
   EXPECT_EQ(kWidth4 + 1, attachment->width());
   EXPECT_EQ(kHeight4, attachment->height());
   EXPECT_EQ(kSamples4, attachment->samples());
   EXPECT_EQ(kFormat4, attachment->internal_format());
   EXPECT_FALSE(attachment->cleared());
   EXPECT_FALSE(framebuffer_->IsCleared());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Check removing it.
   framebuffer_->AttachRenderbuffer(GL_STENCIL_ATTACHMENT, NULL);
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
   EXPECT_EQ(static_cast<GLenum>(kFormat1),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_TRUE(framebuffer_->HasDepthAttachment());
   EXPECT_FALSE(framebuffer_->HasStencilAttachment());
 
   EXPECT_TRUE(framebuffer_->IsCleared());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Remove depth, Set color to 0 size.
   framebuffer_->AttachRenderbuffer(GL_DEPTH_ATTACHMENT, NULL);
   renderbuffer_manager_.SetInfo(renderbuffer1, kSamples1, kFormat1, 0, 0);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Remove color.
   framebuffer_->AttachRenderbuffer(GL_COLOR_ATTACHMENT0, NULL);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 }
 
 TEST_F(FramebufferInfoTest, AttachTexture) {
   const GLuint kTextureClient1Id = 33;
   const GLuint kTextureService1Id = 333;
   const GLuint kTextureClient2Id = 34;
   const GLuint kTextureService2Id = 334;
   const GLint kDepth = 1;
   const GLint kBorder = 0;
   const GLenum kType = GL_UNSIGNED_BYTE;
@@ skipping 14 matching lines @@
   const GLsizei kHeight3 = 123;
   const GLint kLevel3 = 0;
   const GLenum kFormat3 = GL_RGB565;
   const GLsizei kSamples3 = 0;
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
   EXPECT_FALSE(
       framebuffer_->HasUnclearedAttachment(GL_DEPTH_STENCIL_ATTACHMENT));
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
-  texture_manager_.CreateTexture(kTextureClient1Id, kTextureService1Id);
+  texture_manager_->CreateTexture(kTextureClient1Id, kTextureService1Id);
   scoped_refptr<TextureRef> texture1(
-      texture_manager_.GetTexture(kTextureClient1Id));
+      texture_manager_->GetTexture(kTextureClient1Id));
   ASSERT_TRUE(texture1.get() != NULL);
 
   // check adding one attachment
   framebuffer_->AttachTexture(
       GL_COLOR_ATTACHMENT0, texture1.get(), kTarget1, kLevel1, kSamples1);
   EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
   EXPECT_EQ(static_cast<GLenum>(0), framebuffer_->GetColorAttachmentFormat());
 
   // Try format that doesn't work with COLOR_ATTACHMENT0
-  texture_manager_.SetTarget(texture1.get(), GL_TEXTURE_2D);
-  texture_manager_.SetLevelInfo(texture1.get(),
+  texture_manager_->SetTarget(texture1.get(), GL_TEXTURE_2D);
+  texture_manager_->SetLevelInfo(texture1.get(),
                                 GL_TEXTURE_2D,
                                 kLevel1,
                                 kBadFormat1,
                                 kWidth1,
                                 kHeight1,
                                 kDepth,
                                 kBorder,
                                 kBadFormat1,
                                 kType,
                                 true);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Try a good format.
-  texture_manager_.SetLevelInfo(texture1.get(),
+  texture_manager_->SetLevelInfo(texture1.get(),
                                 GL_TEXTURE_2D,
                                 kLevel1,
                                 kFormat1,
                                 kWidth1,
                                 kHeight1,
                                 kDepth,
                                 kBorder,
                                 kFormat1,
                                 kType,
                                 false);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_FALSE(framebuffer_->IsCleared());
-  texture_manager_.SetLevelInfo(texture1.get(),
+  texture_manager_->SetLevelInfo(texture1.get(),
                                 GL_TEXTURE_2D,
                                 kLevel1,
                                 kFormat1,
                                 kWidth1,
                                 kHeight1,
                                 kDepth,
                                 kBorder,
                                 kFormat1,
                                 kType,
                                 true);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
   EXPECT_EQ(static_cast<GLenum>(kFormat1),
             framebuffer_->GetColorAttachmentFormat());
 
   const Framebuffer::Attachment* attachment =
       framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0);
   ASSERT_TRUE(attachment != NULL);
   EXPECT_EQ(kWidth1, attachment->width());
   EXPECT_EQ(kHeight1, attachment->height());
   EXPECT_EQ(kSamples1, attachment->samples());
   EXPECT_EQ(kFormat1, attachment->internal_format());
   EXPECT_TRUE(attachment->cleared());
 
   // Check replacing an attachment
-  texture_manager_.CreateTexture(kTextureClient2Id, kTextureService2Id);
+  texture_manager_->CreateTexture(kTextureClient2Id, kTextureService2Id);
   scoped_refptr<TextureRef> texture2(
-      texture_manager_.GetTexture(kTextureClient2Id));
+      texture_manager_->GetTexture(kTextureClient2Id));
   ASSERT_TRUE(texture2.get() != NULL);
-  texture_manager_.SetTarget(texture2.get(), GL_TEXTURE_2D);
-  texture_manager_.SetLevelInfo(texture2.get(),
+  texture_manager_->SetTarget(texture2.get(), GL_TEXTURE_2D);
+  texture_manager_->SetLevelInfo(texture2.get(),
                                 GL_TEXTURE_2D,
                                 kLevel2,
                                 kFormat2,
                                 kWidth2,
                                 kHeight2,
                                 kDepth,
                                 kBorder,
                                 kFormat2,
                                 kType,
                                 true);
 
   framebuffer_->AttachTexture(
       GL_COLOR_ATTACHMENT0, texture2.get(), kTarget2, kLevel2, kSamples2);
   EXPECT_EQ(static_cast<GLenum>(kFormat2),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
 
   attachment = framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0);
   ASSERT_TRUE(attachment != NULL);
   EXPECT_EQ(kWidth2, attachment->width());
   EXPECT_EQ(kHeight2, attachment->height());
   EXPECT_EQ(kSamples2, attachment->samples());
   EXPECT_EQ(kFormat2, attachment->internal_format());
   EXPECT_TRUE(attachment->cleared());
 
   // Check changing attachment
-  texture_manager_.SetLevelInfo(texture2.get(),
+  texture_manager_->SetLevelInfo(texture2.get(),
                                 GL_TEXTURE_2D,
                                 kLevel3,
                                 kFormat3,
                                 kWidth3,
                                 kHeight3,
                                 kDepth,
                                 kBorder,
                                 kFormat3,
                                 kType,
                                 false);
   attachment = framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0);
   ASSERT_TRUE(attachment != NULL);
   EXPECT_EQ(kWidth3, attachment->width());
   EXPECT_EQ(kHeight3, attachment->height());
   EXPECT_EQ(kSamples3, attachment->samples());
   EXPECT_EQ(kFormat3, attachment->internal_format());
   EXPECT_FALSE(attachment->cleared());
   EXPECT_EQ(static_cast<GLenum>(kFormat3),
             framebuffer_->GetColorAttachmentFormat());
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_FALSE(framebuffer_->IsCleared());
 
   // Set to size 0
-  texture_manager_.SetLevelInfo(texture2.get(),
+  texture_manager_->SetLevelInfo(texture2.get(),
                                 GL_TEXTURE_2D,
                                 kLevel3,
                                 kFormat3,
                                 0,
                                 0,
                                 kDepth,
                                 kBorder,
                                 kFormat3,
                                 kType,
                                 false);
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
 
   // Check removing it.
   framebuffer_->AttachTexture(GL_COLOR_ATTACHMENT0, NULL, 0, 0, 0);
   EXPECT_TRUE(framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0) == NULL);
   EXPECT_EQ(static_cast<GLenum>(0), framebuffer_->GetColorAttachmentFormat());
 
   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT),
-            framebuffer_->IsPossiblyComplete());
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
   EXPECT_TRUE(framebuffer_->IsCleared());
 }
 
+TEST_F(FramebufferInfoTest, AttachFloatTextureNotSupported) {
+  const GLuint kTextureClientId = 33;
+  const GLuint kTextureServiceId = 333;
+  const GLint kDepth = 1;
+  const GLint kBorder = 0;
+  const GLenum kType = GL_FLOAT;
+  const GLsizei kWidth = 16;
+  const GLsizei kHeight = 32;
+  const GLint kLevel = 0;
+  const GLenum kFormat = GL_RGBA;
+  const GLenum kInternalFormat = GL_RGBA32F;
+  const GLenum kBadInternalFormat = GL_RGBA;
+  const GLenum kTarget = GL_TEXTURE_2D;
+  const GLsizei kSamples = 0;
+  EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
+  EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
+  EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
+
+  texture_manager_->CreateTexture(kTextureClientId, kTextureServiceId);
+  scoped_refptr<TextureRef> texture(
+      texture_manager_->GetTexture(kTextureClientId));
+  ASSERT_TRUE(texture.get() != NULL);
+
+  // check adding one attachment
+  framebuffer_->AttachTexture(
+      GL_COLOR_ATTACHMENT0, texture.get(), kTarget, kLevel, kSamples);
+  EXPECT_EQ(static_cast<GLenum>(0), framebuffer_->GetColorAttachmentFormat());
+
+  // Try unsized internalformat.
+  texture_manager_->SetTarget(texture.get(), GL_TEXTURE_2D);
+  texture_manager_->SetLevelInfo(texture.get(),
+                                GL_TEXTURE_2D,
+                                kLevel,
+                                kBadInternalFormat,
+                                kWidth,
+                                kHeight,
+                                kDepth,
+                                kBorder,
+                                kFormat,
+                                kType,
+                                true);
+  // Texture with an unsized internalformat is not allowed as an attachment
+  // regardless of whether float color attachments are allowed in general.
+  EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
+
+  // Try a sized internalformat.
+  texture_manager_->SetLevelInfo(texture.get(),
+                                GL_TEXTURE_2D,
+                                kLevel,
+                                kInternalFormat,
+                                kWidth,
+                                kHeight,
+                                kDepth,
+                                kBorder,
+                                kFormat,
+                                kType,
+                                false);
+  // Texture with a sized float internalformat is allowed as an attachment
+  // only if float color attachment extension is present.
+  EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
+}
+
+class FramebufferInfoFloatTest : public FramebufferInfoTest {
+ public:
+  FramebufferInfoFloatTest()
+    : FramebufferInfoTest() {
+  }
+  virtual ~FramebufferInfoFloatTest() {
+  }
+
+ protected:
+  virtual void SetUp() {
+    InitializeContext("OpenGL ES 3.0",
+        "GL_OES_texture_float GL_EXT_color_buffer_float");
+  }
+};
+
+TEST_F(FramebufferInfoFloatTest, AttachFloatTextureSupported) {
+  const GLuint kTextureClientId = 33;
+  const GLuint kTextureServiceId = 333;
+  const GLint kDepth = 1;
+  const GLint kBorder = 0;
+  const GLenum kType = GL_FLOAT;
+  const GLsizei kWidth = 16;
+  const GLsizei kHeight = 32;
+  const GLint kLevel = 0;
+  const GLenum kFormat = GL_RGBA;
+  const GLenum kInternalFormat = GL_RGBA32F;
+  const GLenum kBadInternalFormat = GL_RGBA;
+  const GLenum kTarget = GL_TEXTURE_2D;
+  const GLsizei kSamples = 0;
+  EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_COLOR_ATTACHMENT0));
+  EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_DEPTH_ATTACHMENT));
+  EXPECT_FALSE(framebuffer_->HasUnclearedAttachment(GL_STENCIL_ATTACHMENT));
+
+  texture_manager_->CreateTexture(kTextureClientId, kTextureServiceId);
+  scoped_refptr<TextureRef> texture(
+      texture_manager_->GetTexture(kTextureClientId));
+  ASSERT_TRUE(texture.get() != NULL);
+
+  // check adding one attachment
+  framebuffer_->AttachTexture(
+      GL_COLOR_ATTACHMENT0, texture.get(), kTarget, kLevel, kSamples);
+  EXPECT_EQ(static_cast<GLenum>(0), framebuffer_->GetColorAttachmentFormat());
+
+  // Try unsized internalformat.
+  texture_manager_->SetTarget(texture.get(), GL_TEXTURE_2D);
+  texture_manager_->SetLevelInfo(texture.get(),
+                                GL_TEXTURE_2D,
+                                kLevel,
+                                kBadInternalFormat,
+                                kWidth,
+                                kHeight,
+                                kDepth,
+                                kBorder,
+                                kFormat,
+                                kType,
+                                true);
+  // Texture with an unsized internalformat is not allowed as an attachment
+  // regardless of whether float color attachments are allowed in general.
+  EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT),
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
+
+  // Try a sized internalformat.
+  texture_manager_->SetLevelInfo(texture.get(),
+                                GL_TEXTURE_2D,
+                                kLevel,
+                                kInternalFormat,
+                                kWidth,
+                                kHeight,
+                                kDepth,
+                                kBorder,
+                                kFormat,
+                                kType,
+                                false);
+  // Texture with a sized float internalformat is allowed as an attachment
+  // since float color attachment extension is present.
+  EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
+            framebuffer_->IsPossiblyComplete(feature_info_.get()));
+}
+
 TEST_F(FramebufferInfoTest, UnbindRenderbuffer) {
   const GLuint kRenderbufferClient1Id = 33;
   const GLuint kRenderbufferService1Id = 333;
   const GLuint kRenderbufferClient2Id = 34;
   const GLuint kRenderbufferService2Id = 334;
 
   renderbuffer_manager_.CreateRenderbuffer(
       kRenderbufferClient1Id, kRenderbufferService1Id);
   Renderbuffer* renderbuffer1 =
       renderbuffer_manager_.GetRenderbuffer(kRenderbufferClient1Id);
@@ skipping 24 matching lines @@
 
 TEST_F(FramebufferInfoTest, UnbindTexture) {
   const GLuint kTextureClient1Id = 33;
   const GLuint kTextureService1Id = 333;
   const GLuint kTextureClient2Id = 34;
   const GLuint kTextureService2Id = 334;
   const GLenum kTarget1 = GL_TEXTURE_2D;
   const GLint kLevel1 = 0;
   const GLint kSamples1 = 0;
 
-  texture_manager_.CreateTexture(kTextureClient1Id, kTextureService1Id);
+  texture_manager_->CreateTexture(kTextureClient1Id, kTextureService1Id);
   scoped_refptr<TextureRef> texture1(
-      texture_manager_.GetTexture(kTextureClient1Id));
+      texture_manager_->GetTexture(kTextureClient1Id));
   ASSERT_TRUE(texture1.get() != NULL);
-  texture_manager_.CreateTexture(kTextureClient2Id, kTextureService2Id);
+  texture_manager_->CreateTexture(kTextureClient2Id, kTextureService2Id);
   scoped_refptr<TextureRef> texture2(
-      texture_manager_.GetTexture(kTextureClient2Id));
+      texture_manager_->GetTexture(kTextureClient2Id));
   ASSERT_TRUE(texture2.get() != NULL);
 
   // Attach to 2 attachment points.
   framebuffer_->AttachTexture(
       GL_COLOR_ATTACHMENT0, texture1.get(), kTarget1, kLevel1, kSamples1);
   framebuffer_->AttachTexture(
       GL_DEPTH_ATTACHMENT, texture1.get(), kTarget1, kLevel1, kSamples1);
   // Check they were attached.
   EXPECT_TRUE(framebuffer_->GetAttachment(GL_COLOR_ATTACHMENT0) != NULL);
   EXPECT_TRUE(framebuffer_->GetAttachment(GL_DEPTH_ATTACHMENT) != NULL);
@@ skipping 16 matching lines @@
   const GLuint kTextureService2Id = 334;
   const GLenum kTarget1 = GL_TEXTURE_2D;
   const GLint kLevel1 = 0;
   const GLint kSamples1 = 0;
 
   renderbuffer_manager_.CreateRenderbuffer(
       kRenderbufferClient1Id, kRenderbufferService1Id);
   Renderbuffer* renderbuffer1 =
       renderbuffer_manager_.GetRenderbuffer(kRenderbufferClient1Id);
   ASSERT_TRUE(renderbuffer1 != NULL);
-  texture_manager_.CreateTexture(kTextureClient2Id, kTextureService2Id);
+  texture_manager_->CreateTexture(kTextureClient2Id, kTextureService2Id);
   scoped_refptr<TextureRef> texture2(
-      texture_manager_.GetTexture(kTextureClient2Id));
+      texture_manager_->GetTexture(kTextureClient2Id));
   ASSERT_TRUE(texture2.get() != NULL);
 
   // Check MarkAsComlete marks as complete.
   manager_.MarkAsComplete(framebuffer_);
   EXPECT_TRUE(manager_.IsComplete(framebuffer_));
 
   // Check at attaching marks as not complete.
   framebuffer_->AttachTexture(
       GL_COLOR_ATTACHMENT0, texture2.get(), kTarget1, kLevel1, kSamples1);
   EXPECT_FALSE(manager_.IsComplete(framebuffer_));
   manager_.MarkAsComplete(framebuffer_);
   EXPECT_TRUE(manager_.IsComplete(framebuffer_));
   framebuffer_->AttachRenderbuffer(GL_DEPTH_ATTACHMENT, renderbuffer1);
   EXPECT_FALSE(manager_.IsComplete(framebuffer_));
 
   // Check MarkAttachmentsAsCleared marks as complete.
   manager_.MarkAttachmentsAsCleared(
-      framebuffer_, &renderbuffer_manager_, &texture_manager_);
+      framebuffer_, &renderbuffer_manager_, texture_manager_.get());
   EXPECT_TRUE(manager_.IsComplete(framebuffer_));
 
   // Check Unbind marks as not complete.
   framebuffer_->UnbindRenderbuffer(GL_RENDERBUFFER, renderbuffer1);
   EXPECT_FALSE(manager_.IsComplete(framebuffer_));
   manager_.MarkAsComplete(framebuffer_);
   EXPECT_TRUE(manager_.IsComplete(framebuffer_));
   framebuffer_->UnbindTexture(kTarget1, texture2.get());
   EXPECT_FALSE(manager_.IsComplete(framebuffer_));
 }
 
 TEST_F(FramebufferInfoTest, GetStatus) {
   const GLuint kRenderbufferClient1Id = 33;
   const GLuint kRenderbufferService1Id = 333;
   const GLuint kTextureClient2Id = 34;
   const GLuint kTextureService2Id = 334;
   const GLenum kTarget1 = GL_TEXTURE_2D;
   const GLint kLevel1 = 0;
   const GLint kSamples1 = 0;
 
   renderbuffer_manager_.CreateRenderbuffer(
       kRenderbufferClient1Id, kRenderbufferService1Id);
   Renderbuffer* renderbuffer1 =
       renderbuffer_manager_.GetRenderbuffer(kRenderbufferClient1Id);
   ASSERT_TRUE(renderbuffer1 != NULL);
-  texture_manager_.CreateTexture(kTextureClient2Id, kTextureService2Id);
+  texture_manager_->CreateTexture(kTextureClient2Id, kTextureService2Id);
   scoped_refptr<TextureRef> texture2(
-      texture_manager_.GetTexture(kTextureClient2Id));
+      texture_manager_->GetTexture(kTextureClient2Id));
   ASSERT_TRUE(texture2.get() != NULL);
-  texture_manager_.SetTarget(texture2.get(), GL_TEXTURE_2D);
+  texture_manager_->SetTarget(texture2.get(), GL_TEXTURE_2D);
 
   EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
       .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
       .RetiresOnSaturation();
-  framebuffer_->GetStatus(&texture_manager_, GL_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_FRAMEBUFFER);
 
   // Check a second call for the same type does not call anything
   if (!framebuffer_->AllowFramebufferComboCompleteMapForTesting()) {
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
   }
-  framebuffer_->GetStatus(&texture_manager_, GL_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_FRAMEBUFFER);
 
   // Check changing the attachments calls CheckFramebufferStatus.
   framebuffer_->AttachTexture(
       GL_COLOR_ATTACHMENT0, texture2.get(), kTarget1, kLevel1, kSamples1);
   EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
       .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE)).RetiresOnSaturation();
-  framebuffer_->GetStatus(&texture_manager_, GL_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_FRAMEBUFFER);
 
   // Check a second call for the same type does not call anything.
   if (!framebuffer_->AllowFramebufferComboCompleteMapForTesting()) {
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
   }
-  framebuffer_->GetStatus(&texture_manager_, GL_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_FRAMEBUFFER);
 
   // Check a second call with a different target calls CheckFramebufferStatus.
   EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
       .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
       .RetiresOnSaturation();
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check a second call for the same type does not call anything.
   if (!framebuffer_->AllowFramebufferComboCompleteMapForTesting()) {
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
   }
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check adding another attachment calls CheckFramebufferStatus.
   framebuffer_->AttachRenderbuffer(GL_DEPTH_ATTACHMENT, renderbuffer1);
   EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
       .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
       .RetiresOnSaturation();
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check a second call for the same type does not call anything.
   if (!framebuffer_->AllowFramebufferComboCompleteMapForTesting()) {
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
   }
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check changing the format calls CheckFramebuffferStatus.
   TestHelper::SetTexParameterWithExpectations(gl_.get(),
                                               error_state_.get(),
-                                              &texture_manager_,
+                                              texture_manager_.get(),
                                               texture2.get(),
                                               GL_TEXTURE_WRAP_S,
                                               GL_CLAMP_TO_EDGE,
                                               GL_NO_ERROR);
 
   EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
       .WillOnce(Return(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT))
       .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
       .RetiresOnSaturation();
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check since it did not return FRAMEBUFFER_COMPLETE that it calls
   // CheckFramebufferStatus
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check putting it back does not call CheckFramebufferStatus.
   if (!framebuffer_->AllowFramebufferComboCompleteMapForTesting()) {
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
   }
   TestHelper::SetTexParameterWithExpectations(gl_.get(),
                                               error_state_.get(),
-                                              &texture_manager_,
+                                              texture_manager_.get(),
                                               texture2.get(),
                                               GL_TEXTURE_WRAP_S,
                                               GL_REPEAT,
                                               GL_NO_ERROR);
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 
   // Check Unbinding does not call CheckFramebufferStatus
   framebuffer_->UnbindRenderbuffer(GL_RENDERBUFFER, renderbuffer1);
   if (!framebuffer_->AllowFramebufferComboCompleteMapForTesting()) {
     EXPECT_CALL(*gl_, CheckFramebufferStatusEXT(GL_READ_FRAMEBUFFER))
         .WillOnce(Return(GL_FRAMEBUFFER_COMPLETE))
         .RetiresOnSaturation();
   }
-  framebuffer_->GetStatus(&texture_manager_, GL_READ_FRAMEBUFFER);
+  framebuffer_->GetStatus(texture_manager_.get(), GL_READ_FRAMEBUFFER);
 }
 
 }  // namespace gles2
 }  // namespace gpu