kc3-lang/angle/src/tests/test_utils/MultiviewTest.h

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• Hash : b16d105f
  Author :
  Date : 2024-10-03T10:25:32
  

  Remove Desktop GL front-end support
  
  For Desktop GL applications, please use Zink!
  
  Bug: angleproject:370937467
  Change-Id: Ie734634bb62a2e98c80e1b32d8b3d34624da3c04
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5905428
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/tests/test_utils/MultiviewTest.h

• //
  // Copyright 2018 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // MultiviewTest:
  //   Implementation of helpers for multiview testing.
  //
  
  #ifndef ANGLE_TESTS_TESTUTILS_MULTIVIEWTEST_H_
  #define ANGLE_TESTS_TESTUTILS_MULTIVIEWTEST_H_
  
  #include "test_utils/ANGLETest.h"
  
  namespace angle
  {
  enum ExtensionName
  {
      multiview,
      multiview2
  };
  
  // Creates a simple program that passes through two-dimensional vertices and renders green
  // fragments.
  GLuint CreateSimplePassthroughProgram(int numViews, ExtensionName multiviewExtension);
  
  // Create a 2D texture array to use for multiview rendering. Texture ids should be
  // created beforehand. If depthTexture or stencilTexture is 0, it will not be initialized.
  // If samples is 0, then non-multisampled textures are created. Otherwise multisampled textures are
  // created with the requested sample count.
  void CreateMultiviewBackingTextures(int samples,
                                      int viewWidth,
                                      int height,
                                      int numLayers,
                                      std::vector<GLuint> colorTextures,
                                      GLuint depthTexture,
                                      GLuint depthStencilTexture);
  void CreateMultiviewBackingTextures(int samples,
                                      int viewWidth,
                                      int height,
                                      int numLayers,
                                      GLuint colorTexture,
                                      GLuint depthTexture,
                                      GLuint depthStencilTexture);
  
  // Attach multiview textures to the framebuffer denoted by target. If there are multiple color
  // textures they get attached to different color attachments starting from 0.
  void AttachMultiviewTextures(GLenum target,
                               int viewWidth,
                               int numViews,
                               int baseViewIndex,
                               std::vector<GLuint> colorTextures,
                               GLuint depthTexture,
                               GLuint depthStencilTexture);
  void AttachMultiviewTextures(GLenum target,
                               int viewWidth,
                               int numViews,
                               int baseViewIndex,
                               GLuint colorTexture,
                               GLuint depthTexture,
                               GLuint depthStencilTexture);
  
  struct MultiviewImplementationParams : public PlatformParameters
  {
      MultiviewImplementationParams(GLint majorVersion,
                                    GLint minorVersion,
  
                                    const EGLPlatformParameters &eglPlatformParameters,
                                    ExtensionName multiviewExtension)
          : PlatformParameters(majorVersion,
                               minorVersion,
  
                               eglPlatformParameters),
            mMultiviewExtension(multiviewExtension)
      {}
      ExtensionName mMultiviewExtension;
  };
  std::ostream &operator<<(std::ostream &os, const MultiviewImplementationParams &params);
  
  MultiviewImplementationParams VertexShaderOpenGL(GLint majorVersion,
                                                   GLint minorVersion,
  
                                                   ExtensionName multiviewExtension);
  MultiviewImplementationParams VertexShaderVulkan(GLint majorVersion,
                                                   GLint minorVersion,
                                                   ExtensionName multiviewExtension);
  MultiviewImplementationParams VertexShaderD3D11(GLint majorVersion,
                                                  GLint minorVersion,
                                                  ExtensionName multiviewExtension);
  MultiviewImplementationParams GeomShaderD3D11(GLint majorVersion,
                                                GLint minorVersion,
                                                ExtensionName multiviewExtension);
  
  class MultiviewTestBase : public ANGLETestBase
  {
    protected:
      MultiviewTestBase(const PlatformParameters &params) : ANGLETestBase(params)
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setWebGLCompatibilityEnabled(true);
      }
      virtual ~MultiviewTestBase() {}
  
      void MultiviewTestBaseSetUp() { ANGLETestBase::ANGLETestSetUp(); }
  
      void MultiviewTestBaseTearDown() { ANGLETestBase::ANGLETestTearDown(); }
  };
  
  // Base class for multiview tests that don't need specific helper functions.
  class MultiviewTest : public MultiviewTestBase,
                        public ::testing::TestWithParam<MultiviewImplementationParams>
  {
    protected:
      MultiviewTest() : MultiviewTestBase(GetParam()) {}
  
      virtual void testSetUp() {}
      virtual void testTearDown() {}
  
      // Requests the OVR_multiview(2) extension and returns true if the operation succeeds.
      bool requestMultiviewExtension(bool requireMultiviewMultisample)
      {
          if (!EnsureGLExtensionEnabled(extensionName()))
          {
              std::cout << "Test skipped due to missing " << extensionName() << "." << std::endl;
              return false;
          }
  
          if (requireMultiviewMultisample)
          {
              if (!EnsureGLExtensionEnabled("GL_OES_texture_storage_multisample_2d_array"))
              {
                  std::cout << "Test skipped due to missing GL_ANGLE_multiview_multisample."
                            << std::endl;
                  return false;
              }
  
              if (!EnsureGLExtensionEnabled("GL_ANGLE_multiview_multisample"))
              {
                  std::cout << "Test skipped due to missing GL_ANGLE_multiview_multisample."
                            << std::endl;
                  return false;
              }
          }
          return true;
      }
  
      bool requestMultiviewExtension() { return requestMultiviewExtension(false); }
  
      std::string extensionName()
      {
          switch (GetParam().mMultiviewExtension)
          {
              case multiview:
                  return "GL_OVR_multiview";
              case multiview2:
                  return "GL_OVR_multiview2";
              default:
                  // Ignore unknown.
                  return "";
          }
      }
  
    private:
      void SetUp() override
      {
          MultiviewTestBase::MultiviewTestBaseSetUp();
          testSetUp();
      }
      void TearDown() override
      {
          testTearDown();
          MultiviewTestBase::MultiviewTestBaseTearDown();
      }
  };
  
  }  // namespace angle
  
  #endif  // ANGLE_TESTS_TESTUTILS_MULTIVIEWTEST_H_
  

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