gpu: If not cube complete, the texture isn't renderable, no matter mipmap complete.

gpu/command_buffer/service/texture_manager_unittest.cc

Index: gpu/command_buffer/service/texture_manager_unittest.cc
diff --git a/gpu/command_buffer/service/texture_manager_unittest.cc b/gpu/command_buffer/service/texture_manager_unittest.cc
index cfb3200aab283825921d700bbfc8c99cf42f04b0..6cadd978df8c1ed05b4b2d95badeb728acdbd8a9 100644
--- a/gpu/command_buffer/service/texture_manager_unittest.cc
+++ b/gpu/command_buffer/service/texture_manager_unittest.cc
@@ -840,6 +840,76 @@ TEST_F(TextureTest, POTCubeMap) {
   EXPECT_TRUE(TextureTestHelper::IsCubeComplete(texture));
 }
 
+TEST_F(TextureTest, POTCubeMapWithoutMipmap) {
+  manager_->SetTarget(texture_ref_.get(), GL_TEXTURE_CUBE_MAP);
+  SetParameter(
+      texture_ref_.get(), GL_TEXTURE_MIN_FILTER, GL_NEAREST, GL_NO_ERROR);
+  SetParameter(
+      texture_ref_.get(), GL_TEXTURE_MAG_FILTER, GL_NEAREST, GL_NO_ERROR);
+  SetParameter(
+      texture_ref_.get(), GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE, GL_NO_ERROR);
+  SetParameter(
+      texture_ref_.get(), GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE, GL_NO_ERROR);
+
+  Texture* texture = texture_ref_->texture();
+  EXPECT_EQ(static_cast<GLenum>(GL_TEXTURE_CUBE_MAP), texture->target());
+  // Check Setting level 0 each face to POT
+  manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0,
+                         GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                         gfx::Rect(4, 4));
+  EXPECT_FALSE(TextureTestHelper::IsNPOT(texture));
+  EXPECT_FALSE(TextureTestHelper::IsTextureComplete(texture));
+  EXPECT_FALSE(TextureTestHelper::IsCubeComplete(texture));
+  EXPECT_FALSE(manager_->CanGenerateMipmaps(texture_ref_.get()));
+  EXPECT_FALSE(manager_->CanRender(texture_ref_.get()));
+  EXPECT_TRUE(manager_->HaveUnrenderableTextures());
+  manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0,
+                         GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                         gfx::Rect(4, 4));
+  EXPECT_FALSE(TextureTestHelper::IsNPOT(texture));
+  EXPECT_FALSE(TextureTestHelper::IsTextureComplete(texture));
+  EXPECT_FALSE(TextureTestHelper::IsCubeComplete(texture));
+  EXPECT_FALSE(manager_->CanGenerateMipmaps(texture_ref_.get()));
+  EXPECT_FALSE(manager_->CanRender(texture_ref_.get()));
+  EXPECT_TRUE(manager_->HaveUnrenderableTextures());
+  manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0,
+                         GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                         gfx::Rect(4, 4));
+  EXPECT_FALSE(TextureTestHelper::IsNPOT(texture));
+  EXPECT_FALSE(TextureTestHelper::IsTextureComplete(texture));
+  EXPECT_FALSE(TextureTestHelper::IsCubeComplete(texture));
+  EXPECT_FALSE(manager_->CanGenerateMipmaps(texture_ref_.get()));
+  EXPECT_FALSE(manager_->CanRender(texture_ref_.get()));
+  EXPECT_TRUE(manager_->HaveUnrenderableTextures());
+  manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0,
+                         GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                         gfx::Rect(4, 4));
+  EXPECT_FALSE(TextureTestHelper::IsNPOT(texture));
+  EXPECT_FALSE(TextureTestHelper::IsTextureComplete(texture));
+  EXPECT_FALSE(TextureTestHelper::IsCubeComplete(texture));
+  EXPECT_FALSE(manager_->CanRender(texture_ref_.get()));
+  EXPECT_FALSE(manager_->CanGenerateMipmaps(texture_ref_.get()));
+  EXPECT_TRUE(manager_->HaveUnrenderableTextures());
+  manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0,
+                         GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                         gfx::Rect(4, 4));
+  EXPECT_FALSE(TextureTestHelper::IsNPOT(texture));
+  EXPECT_FALSE(TextureTestHelper::IsTextureComplete(texture));
+  EXPECT_FALSE(TextureTestHelper::IsCubeComplete(texture));
+  EXPECT_FALSE(manager_->CanGenerateMipmaps(texture_ref_.get()));
+  EXPECT_FALSE(manager_->CanRender(texture_ref_.get()));
+  EXPECT_TRUE(manager_->HaveUnrenderableTextures());
+  manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0,
+                         GL_RGBA, 4, 4, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
+                         gfx::Rect(4, 4));
+  EXPECT_FALSE(TextureTestHelper::IsNPOT(texture));
+  EXPECT_FALSE(TextureTestHelper::IsTextureComplete(texture));
+  EXPECT_TRUE(TextureTestHelper::IsCubeComplete(texture));
+  EXPECT_TRUE(manager_->CanGenerateMipmaps(texture_ref_.get()));
+  EXPECT_TRUE(manager_->CanRender(texture_ref_.get()));
+  EXPECT_FALSE(manager_->HaveUnrenderableTextures());
+}
+
 TEST_F(TextureTest, GetLevelSize) {
   manager_->SetTarget(texture_ref_.get(), GL_TEXTURE_3D);
   manager_->SetLevelInfo(texture_ref_.get(), GL_TEXTURE_3D, 1, GL_RGBA, 4, 5, 6,