kc3-lang/angle/tests/angle_tests/DepthStencilFormatsTest.cpp

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• Hash : df647a2a
  Author :
  Date : 2014-09-19T13:13:40
  

  Use a D24S8 format to back GL_DEPTH_COMPONENT32_OES in D3D9.
  
  Looks like the D3D9 D32 format isn't available on most GPUs (and doesn't
  exist in D3D11) so back GL_DEPTH_COMPONENT32_OES with D24S8 instead to
  match D3D11.
  
  BUG=angle:750
  
  Change-Id: I0f7a124544c1c14ba21db20fbf6765d07e244966
  Reviewed-on: https://chromium-review.googlesource.com/219080
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• tests/angle_tests/DepthStencilFormatsTest.cpp

• #include "ANGLETest.h"
  
  class DepthStencilFormatsTest : public ANGLETest
  {
  protected:
      DepthStencilFormatsTest()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setClientVersion(2);
      }
  
      bool checkTexImageFormatSupport(GLenum format, GLenum type)
      {
          EXPECT_GL_NO_ERROR();
  
          GLuint tex = 0;
          glGenTextures(1, &tex);
          glBindTexture(GL_TEXTURE_2D, tex);
          glTexImage2D(GL_TEXTURE_2D, 0, format, 1, 1, 0, format, type, NULL);
          glDeleteTextures(1, &tex);
  
          return (glGetError() == GL_NO_ERROR);
      }
  
      bool checkTexStorageFormatSupport(GLenum internalFormat)
      {
          EXPECT_GL_NO_ERROR();
  
          GLuint tex = 0;
          glGenTextures(1, &tex);
          glBindTexture(GL_TEXTURE_2D, tex);
          glTexStorage2DEXT(GL_TEXTURE_2D, 1, internalFormat, 1, 1);
          glDeleteTextures(1, &tex);
  
          return (glGetError() == GL_NO_ERROR);
      }
  
      bool checkRenderbufferFormatSupport(GLenum internalFormat)
      {
          EXPECT_GL_NO_ERROR();
  
          GLuint rb = 0;
          glGenRenderbuffers(1, &rb);
          glBindRenderbuffer(GL_RENDERBUFFER, rb);
          glRenderbufferStorage(GL_RENDERBUFFER, internalFormat, 1, 1);
          glDeleteRenderbuffers(1, &rb);
  
          return (glGetError() == GL_NO_ERROR);
      }
  
      virtual void SetUp()
      {
          ANGLETest::SetUp();
      }
  
      virtual void TearDown()
      {
          ANGLETest::TearDown();
      }
  };
  
  TEST_F(DepthStencilFormatsTest, DepthTexture)
  {
      bool shouldHaveTextureSupport = extensionEnabled("GL_ANGLE_depth_texture");
      EXPECT_EQ(shouldHaveTextureSupport, checkTexImageFormatSupport(GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT));
      EXPECT_EQ(shouldHaveTextureSupport, checkTexImageFormatSupport(GL_DEPTH_COMPONENT, GL_UNSIGNED_INT));
  
      if (extensionEnabled("GL_EXT_texture_storage"))
      {
          EXPECT_EQ(shouldHaveTextureSupport, checkTexStorageFormatSupport(GL_DEPTH_COMPONENT16));
          EXPECT_EQ(shouldHaveTextureSupport, checkTexStorageFormatSupport(GL_DEPTH_COMPONENT32_OES));
      }
  }
  
  TEST_F(DepthStencilFormatsTest, PackedDepthStencil)
  {
      // Expected to fail in D3D9 if GL_OES_packed_depth_stencil is not present.
      // Expected to fail in D3D11 if GL_OES_packed_depth_stencil or GL_ANGLE_depth_texture is not present.
  
      bool shouldHaveRenderbufferSupport = extensionEnabled("GL_OES_packed_depth_stencil");
      EXPECT_EQ(shouldHaveRenderbufferSupport, checkRenderbufferFormatSupport(GL_DEPTH24_STENCIL8_OES));
  
      bool shouldHaveTextureSupport = extensionEnabled("GL_OES_packed_depth_stencil") &&
                                      extensionEnabled("GL_ANGLE_depth_texture");
      EXPECT_EQ(shouldHaveTextureSupport, checkTexImageFormatSupport(GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES));
  
      if (extensionEnabled("GL_EXT_texture_storage"))
      {
          EXPECT_EQ(shouldHaveTextureSupport, checkTexStorageFormatSupport(GL_DEPTH24_STENCIL8_OES));
      }
  }
  

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