gl, ozone: enable GLImageBindTest unittests

ui/gl/test/gl_image_test_template.h

 // Copyright 2015 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.
 
 // This file defines tests that implementations of GLImage should pass in order
 // to be conformant.
 
 #ifndef UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 #define UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_
 
@@ skipping 128 matching lines @@
 
  protected:
   scoped_refptr<gfx::GLSurface> surface_;
   scoped_refptr<gfx::GLContext> context_;
   GLImageTestDelegate delegate_;
 };
 
 TYPED_TEST_CASE_P(GLImageTest);
 
 TYPED_TEST_P(GLImageTest, CreateAndDestroy) {
+  if (!this->delegate_.IsSupported())
+    return;
+
   const gfx::Size small_image_size(4, 4);
   const gfx::Size large_image_size(512, 512);
   const uint8_t image_color[] = {0, 0xff, 0, 0xff};
 
   // Create a small solid color green image of preferred format. This must
   // succeed in order for a GLImage to be conformant.
   scoped_refptr<gl::GLImage> small_image =
       this->delegate_.CreateSolidColorImage(small_image_size, image_color);
   ASSERT_TRUE(small_image);
 
@@ skipping 18 matching lines @@
 REGISTER_TYPED_TEST_CASE_P(GLImageTest, CreateAndDestroy);
 
 template <typename GLImageTestDelegate>
 class GLImageZeroInitializeTest : public GLImageTest<GLImageTestDelegate> {};
 
 // This test verifies that if an uninitialized image is bound to a texture, the
 // result is zero-initialized.
 TYPED_TEST_CASE_P(GLImageZeroInitializeTest);
 
 TYPED_TEST_P(GLImageZeroInitializeTest, ZeroInitialize) {
+  // Ozone platform knows the supported format in runtime.
+  if (!this->delegate_.IsSupported())
+    return;
 #if defined(OS_MACOSX)
   // This functionality is disabled on Mavericks because it breaks PDF
   // rendering. https://crbug.com/594343.
   if (base::mac::IsOSMavericks())
     return;
 #endif
 
   const gfx::Size image_size(256, 256);
 
   GLuint framebuffer =
@@ skipping 32 matching lines @@
 }
 
 REGISTER_TYPED_TEST_CASE_P(GLImageZeroInitializeTest, ZeroInitialize);
 
 template <typename GLImageTestDelegate>
 class GLImageBindTest : public GLImageTest<GLImageTestDelegate> {};
 
 TYPED_TEST_CASE_P(GLImageBindTest);
 
 TYPED_TEST_P(GLImageBindTest, BindTexImage) {
+  if (!this->delegate_.IsSupported())
+    return;
+
   const gfx::Size image_size(256, 256);
-  const uint8_t image_color[] = {0x10, 0x20, 0, 0xff};
+  // These values are picked so that RGB -> YUV on the CPU converted
+  // back to RGB on the GPU produces the original RGB values without
+  // any error.
+  uint8_t image_color[] = {0x10, 0x20, 0x00, 0xff};
+  // glReadPixels(.., GL_RGBA, ..) for RED texture returns (R, 0x00, 0x00, 0xff)
+  if (gfx::BufferFormat::R_8 == this->delegate_.GetBufferFormat())
+    image_color[1] = 0x00;
 
   GLuint framebuffer =
       GLTestHelper::SetupFramebuffer(image_size.width(), image_size.height());
   ASSERT_TRUE(framebuffer);
   glBindFramebufferEXT(GL_FRAMEBUFFER, framebuffer);
   glViewport(0, 0, image_size.width(), image_size.height());
 
   // Create a solid color green image of preferred format. This must succeed
   // in order for a GLImage to be conformant.
   scoped_refptr<gl::GLImage> image =
@@ skipping 25 matching lines @@
 }
 
 REGISTER_TYPED_TEST_CASE_P(GLImageBindTest, BindTexImage);
 
 template <typename GLImageTestDelegate>
 class GLImageCopyTest : public GLImageTest<GLImageTestDelegate> {};
 
 TYPED_TEST_CASE_P(GLImageCopyTest);
 
 TYPED_TEST_P(GLImageCopyTest, CopyTexImage) {
+  if (!this->delegate_.IsSupported())
+    return;
+
   const gfx::Size image_size(256, 256);
   // These values are picked so that RGB -> YUV on the CPU converted
   // back to RGB on the GPU produces the original RGB values without
   // any error.
-  const uint8_t image_color[] = {0x10, 0x20, 0, 0xff};
+  uint8_t image_color[] = {0x10, 0x20, 0x00, 0xff};
+  // glReadPixels(.., GL_RGBA, ..) for RED texture returns (R, 0x00, 0x00, 0xff)
+  if (gfx::BufferFormat::R_8 == this->delegate_.GetBufferFormat())
+    image_color[1] = 0x00;
   const uint8_t texture_color[] = {0, 0, 0xff, 0xff};
 
   GLuint framebuffer =
       GLTestHelper::SetupFramebuffer(image_size.width(), image_size.height());
   ASSERT_TRUE(framebuffer);
   glBindFramebufferEXT(GL_FRAMEBUFFER, framebuffer);
   glViewport(0, 0, image_size.width(), image_size.height());
 
   // Create a solid color green image of preferred format. This must succeed
   // in order for a GLImage to be conformant.
@@ skipping 32 matching lines @@
   image->Destroy(true /* have_context */);
 }
 
 // The GLImageCopyTest test case verifies that the GLImage implementation
 // handles CopyTexImage correctly.
 REGISTER_TYPED_TEST_CASE_P(GLImageCopyTest, CopyTexImage);
 
 }  // namespace gl
 
 #endif  // UI_GL_TEST_GL_IMAGE_TEST_TEMPLATE_H_