Fbo attaching non-zero base level texture should be complete

src/tests/gl_tests/FramebufferTest.cpp

@@ -8,6 +8,7 @@
 //
 
 #include "test_utils/ANGLETest.h"
+#include "test_utils/gl_raii.h"
 
 using namespace angle;
 
@@ -353,6 +354,7 @@ class FramebufferTest_ES3 : public ANGLETest
     {
         glDeleteFramebuffers(1, &mFramebuffer);
         glDeleteRenderbuffers(1, &mRenderbuffer);
+
         ANGLETest::TearDown();
     }
 
@@ -389,4 +391,29 @@ TEST_P(FramebufferTest_ES3, DepthOnlyAsDepthStencil)
     EXPECT_GLENUM_NE(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
 }
 
+TEST_P(FramebufferTest_ES3, CompleteWithNonZeroBaseLevel)
+{
+    // This fails on Windows OpenGL, NVIDIA Linux, and Mac OSX.
+    if ((IsWindows() && IsOpenGL()) || (IsNVIDIA() && IsLinux()) || IsOSX())
+    {
+        std::cout << "Test skipped due to driver bug on Windows OpenGL, NVIDIA Linux, and Mac OSX."
+                  << std::endl;
+        return;
+    }
+
+    GLint level = 1;
+    GLTexture tex;
+    glBindTexture(GL_TEXTURE_2D, tex.get());
+    glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, level);
+
+    glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex.get(), level);
+
+    // Verify the framebuffer is complete.
+    ASSERT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
+}
+
 ANGLE_INSTANTIATE_TEST(FramebufferTest_ES3, ES3_D3D11(), ES3_OPENGL(), ES3_OPENGLES());