gpu/command_buffer/tests/gl_chromium_framebuffer_multisample_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <GLES2/gl2.h>
   6 #include <GLES2/gl2ext.h>
   7 #include <GLES2/gl2extchromium.h>
   8
   9 #include "gpu/command_buffer/tests/gl_manager.h"
  10 #include "gpu/command_buffer/tests/gl_test_utils.h"
  11 #include "testing/gmock/include/gmock/gmock.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace gpu {
  15
  16 class GLChromiumFramebufferMultisampleTest : public testing::Test {
  17  protected:
  18   virtual void SetUp() {
  19     gl_.Initialize(GLManager::Options());
  20   }
  21
  22   virtual void TearDown() {
  23     gl_.Destroy();
  24   }
  25
  26   GLManager gl_;
  27 };
  28
  29 // Test that GL is at least minimally working.
  30 TEST_F(GLChromiumFramebufferMultisampleTest, CachedBindingsTest) {
  31   if (!GLTestHelper::HasExtension("GL_CHROMIUM_framebuffer_multisample")) {
  32     return;
  33   }
  34
  35   GLuint fbo = 0;
  36   glGenFramebuffers(1, &fbo);
  37   glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
  38   glBindFramebuffer(GL_FRAMEBUFFER, 0);
  39
  40   // If the caching is bad the second call to glBindFramebuffer will do nothing.
  41   // which means the draw buffer is bad and will not return
  42   // GL_FRAMEBUFFER_COMPLETE and rendering will generate an error.
  43   EXPECT_EQ(static_cast<GLenum>(GL_FRAMEBUFFER_COMPLETE),
  44             glCheckFramebufferStatus(GL_FRAMEBUFFER));
  45
  46   glClear(GL_COLOR_BUFFER_BIT);
  47   GLTestHelper::CheckGLError("no errors", __LINE__);
  48 }
  49
  50 }  // namespace gpu
  51