Fix fbo completeness check when non-base-level texture image is attached.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
index e250553aba61d6018a5a16abead22ca3940f83a2..0b167790a8878e26f804351e11257870c9b15da5 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_textures.cc
@@ -1342,7 +1342,7 @@ TEST_P(GLES3DecoderTest, CopyTexSubImage3DFeedbackLoopFails) {
   // The source and the target for CopyTexSubImage3D are the same 3d texture.
   // And level / zoffset of 3D texture equal to level / layer of read attachment
   // in fbo.
-  GLint kLevel = 1;
+  GLint kLevel = 0;  // This has to be base level, or fbo is incomplete.
   GLint kLayer = 0; // kZoffset is 0
   EXPECT_CALL(*gl_, FramebufferTextureLayer(GL_FRAMEBUFFER,
                                             GL_COLOR_ATTACHMENT0,
@@ -4400,24 +4400,36 @@ class GLES2DecoderTexStorageFormatAndTypeTest
   void DoTexStorageFormatAndType(const InitState& init,
                                  GLenum format,
                                  GLenum adjusted_internal_format) {
+    GLsizei kWidth = 512;
+    GLsizei kHeight = 512;
+    // Purposely set kLevels to be smaller than 10 = log2(512) + 1.
+    GLsizei kLevels = 5;
     InitDecoder(init);
     DoBindTexture(GL_TEXTURE_2D, client_texture_id_, kServiceTextureId);
-    EXPECT_CALL(*gl_, TexStorage2DEXT(GL_TEXTURE_2D, 2, format, 2, 2))
+    EXPECT_CALL(
+        *gl_, TexStorage2DEXT(GL_TEXTURE_2D, kLevels, format, kWidth, kHeight))
         .Times(1)
         .RetiresOnSaturation();
     TexStorage2DEXT cmd;
-    cmd.Init(GL_TEXTURE_2D, 2, format, 2, 2);
+    cmd.Init(GL_TEXTURE_2D, kLevels, format, kWidth, kHeight);
     EXPECT_EQ(error::kNoError, ExecuteCmd(cmd));
     EXPECT_EQ(GL_NO_ERROR, GetGLError());
     TextureRef* texture_ref =
         group().texture_manager()->GetTexture(client_texture_id_);
     Texture* texture = texture_ref->texture();
-    GLenum type;
-    GLenum internal_format;
-    EXPECT_TRUE(
-        texture->GetLevelType(GL_TEXTURE_2D, 0, &type, &internal_format));
-    EXPECT_EQ(static_cast<GLenum>(adjusted_internal_format), internal_format);
-    EXPECT_EQ(static_cast<GLenum>(GL_UNSIGNED_BYTE), type);
+    for (GLsizei ii = 0; ii < kLevels; ++ii) {
+      GLenum type = 0, internal_format = 0;
+      GLsizei level_width = 0, level_height = 0;
+      EXPECT_TRUE(texture->GetLevelType(GL_TEXTURE_2D, static_cast<GLint>(ii),
+                                        &type, &internal_format));
+      EXPECT_EQ(static_cast<GLenum>(adjusted_internal_format), internal_format);
+      EXPECT_EQ(static_cast<GLenum>(GL_UNSIGNED_BYTE), type);
+      EXPECT_TRUE(texture->GetLevelSize(GL_TEXTURE_2D, static_cast<GLint>(ii),
+                                        &level_width, &level_height, nullptr));
+      EXPECT_EQ(kWidth >> ii, level_width);
+      EXPECT_EQ(kHeight >> ii, level_height);
+    }
+    EXPECT_TRUE(texture->texture_complete());
   }
 };