kc3-lang/angle/src/tests/end2end_tests/DiscardFramebufferEXTTest.cpp

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• Hash : b13daa8f
  Author :
  Date : 2015-03-19T17:00:44
  

  Implement EXT_discard_framebuffer in D3D11 renderer
  
  Change-Id: I0e39a196796813203c841c46aa2a6b89957f6051
  Reviewed-on: https://chromium-review.googlesource.com/261355
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/end2end_tests/DiscardFramebufferEXTTest.cpp

• #include "ANGLETest.h"
  
  // Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
  ANGLE_TYPED_TEST_CASE(DiscardFramebufferEXTTest, ES2_D3D9, ES2_D3D11, ES2_D3D11_FL9_3);
  
  template<typename T>
  class DiscardFramebufferEXTTest : public ANGLETest
  {
  protected:
      DiscardFramebufferEXTTest() : ANGLETest(T::GetGlesMajorVersion(), T::GetPlatform())
      {
          setWindowWidth(256);
          setWindowHeight(256);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
          setConfigStencilBits(8);
      }
  
      T fixtureType;
  };
  
  TYPED_TEST(DiscardFramebufferEXTTest, ExtensionEnabled)
  {
      EGLPlatformParameters platform = fixtureType.GetPlatform();
  
      if (platform.renderer == EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE)
      {
          EXPECT_TRUE(extensionEnabled("EXT_discard_framebuffer"));
      }
      else
      {
          // Other platforms don't currently implement this extension
          EXPECT_FALSE(extensionEnabled("EXT_discard_framebuffer"));
      }
  }
  
  TYPED_TEST(DiscardFramebufferEXTTest, DefaultFramebuffer)
  {
      if (!extensionEnabled("EXT_discard_framebuffer"))
      {
          return;
      }
  
      // These should succeed on the default framebuffer
      const GLenum discards1[] = { GL_COLOR_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards1);
      EXPECT_GL_NO_ERROR();
  
      const GLenum discards2[] = { GL_DEPTH_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards2);
      EXPECT_GL_NO_ERROR();
  
      const GLenum discards3[] = { GL_STENCIL_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards3);
      EXPECT_GL_NO_ERROR();
  
      const GLenum discards4[] = { GL_STENCIL_EXT, GL_COLOR_EXT, GL_DEPTH_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 3, discards4);
      EXPECT_GL_NO_ERROR();
  
      // These should fail on the default framebuffer
      const GLenum discards5[] = { GL_COLOR_ATTACHMENT0 };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards5);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      const GLenum discards6[] = { GL_DEPTH_ATTACHMENT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards6);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      const GLenum discards7[] = { GL_STENCIL_ATTACHMENT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards7);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  }
  
  TYPED_TEST(DiscardFramebufferEXTTest, NonDefaultFramebuffer)
  {
      if (!extensionEnabled("EXT_discard_framebuffer"))
      {
          return;
      }
  
      GLuint tex2D;
      GLuint framebuffer;
  
      // Create a basic off-screen framebuffer
      // Don't create a depth/stencil texture, to ensure that also works correctly
      glGenTextures(1, &tex2D);
      glGenFramebuffers(1, &framebuffer);
      glBindTexture(GL_TEXTURE_2D, tex2D);
      glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, getWindowWidth(), getWindowHeight(), 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
      glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex2D, 0);
      ASSERT_EQ(glCheckFramebufferStatus(GL_FRAMEBUFFER), GL_FRAMEBUFFER_COMPLETE);
  
      // These should fail on the non-default framebuffer
      const GLenum discards1[] = { GL_COLOR_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards1);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      const GLenum discards2[] = { GL_DEPTH_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards2);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      const GLenum discards3[] = { GL_STENCIL_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards3);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      const GLenum discards4[] = { GL_STENCIL_EXT, GL_COLOR_EXT, GL_DEPTH_EXT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 3, discards4);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  
      // These should succeed on the non-default framebuffer
      const GLenum discards5[] = { GL_COLOR_ATTACHMENT0 };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards5);
      EXPECT_GL_NO_ERROR();
  
      const GLenum discards6[] = { GL_DEPTH_ATTACHMENT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards6);
      EXPECT_GL_NO_ERROR();
  
      const GLenum discards7[] = { GL_STENCIL_ATTACHMENT };
      glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards7);
      EXPECT_GL_NO_ERROR();
  }
  

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