1 // 2 // Copyright 2018 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // MultiviewTest: 7 // Implementation of helpers for multiview testing. 8 // 9 10 #ifndef ANGLE_TESTS_TESTUTILS_MULTIVIEWTEST_H_ 11 #define ANGLE_TESTS_TESTUTILS_MULTIVIEWTEST_H_ 12 13 #include "test_utils/ANGLETest.h" 14 15 namespace angle 16 { 17 enum ExtensionName 18 { 19 multiview, 20 multiview2 21 }; 22 23 // Creates a simple program that passes through two-dimensional vertices and renders green 24 // fragments. 25 GLuint CreateSimplePassthroughProgram(int numViews, ExtensionName multiviewExtension); 26 27 // Create a 2D texture array to use for multiview rendering. Texture ids should be 28 // created beforehand. If depthTexture or stencilTexture is 0, it will not be initialized. 29 // If samples is 0, then non-multisampled textures are created. Otherwise multisampled textures are 30 // created with the requested sample count. 31 void CreateMultiviewBackingTextures(int samples, 32 int viewWidth, 33 int height, 34 int numLayers, 35 std::vector<GLuint> colorTextures, 36 GLuint depthTexture, 37 GLuint depthStencilTexture); 38 void CreateMultiviewBackingTextures(int samples, 39 int viewWidth, 40 int height, 41 int numLayers, 42 GLuint colorTexture, 43 GLuint depthTexture, 44 GLuint depthStencilTexture); 45 46 // Attach multiview textures to the framebuffer denoted by target. If there are multiple color 47 // textures they get attached to different color attachments starting from 0. 48 void AttachMultiviewTextures(GLenum target, 49 int viewWidth, 50 int numViews, 51 int baseViewIndex, 52 std::vector<GLuint> colorTextures, 53 GLuint depthTexture, 54 GLuint depthStencilTexture); 55 void AttachMultiviewTextures(GLenum target, 56 int viewWidth, 57 int numViews, 58 int baseViewIndex, 59 GLuint colorTexture, 60 GLuint depthTexture, 61 GLuint depthStencilTexture); 62 63 struct MultiviewImplementationParams : public PlatformParameters 64 { MultiviewImplementationParamsMultiviewImplementationParams65 MultiviewImplementationParams(GLint majorVersion, 66 GLint minorVersion, 67 const EGLPlatformParameters &eglPlatformParameters, 68 ExtensionName multiviewExtension) 69 : PlatformParameters(majorVersion, minorVersion, eglPlatformParameters), 70 mMultiviewExtension(multiviewExtension) 71 {} 72 ExtensionName mMultiviewExtension; 73 }; 74 std::ostream &operator<<(std::ostream &os, const MultiviewImplementationParams ¶ms); 75 76 MultiviewImplementationParams VertexShaderOpenGL(GLint majorVersion, 77 GLint minorVersion, 78 ExtensionName multiviewExtension); 79 MultiviewImplementationParams VertexShaderVulkan(GLint majorVersion, 80 GLint minorVersion, 81 ExtensionName multiviewExtension); 82 MultiviewImplementationParams VertexShaderD3D11(GLint majorVersion, 83 GLint minorVersion, 84 ExtensionName multiviewExtension); 85 MultiviewImplementationParams GeomShaderD3D11(GLint majorVersion, 86 GLint minorVersion, 87 ExtensionName multiviewExtension); 88 89 class MultiviewTestBase : public ANGLETestBase 90 { 91 protected: MultiviewTestBase(const PlatformParameters & params)92 MultiviewTestBase(const PlatformParameters ¶ms) : ANGLETestBase(params) 93 { 94 setWindowWidth(128); 95 setWindowHeight(128); 96 setWebGLCompatibilityEnabled(true); 97 } ~MultiviewTestBase()98 virtual ~MultiviewTestBase() {} 99 MultiviewTestBaseSetUp()100 void MultiviewTestBaseSetUp() { ANGLETestBase::ANGLETestSetUp(); } 101 MultiviewTestBaseTearDown()102 void MultiviewTestBaseTearDown() { ANGLETestBase::ANGLETestTearDown(); } 103 }; 104 105 // Base class for multiview tests that don't need specific helper functions. 106 class MultiviewTest : public MultiviewTestBase, 107 public ::testing::TestWithParam<MultiviewImplementationParams> 108 { 109 protected: MultiviewTest()110 MultiviewTest() : MultiviewTestBase(GetParam()) {} 111 testSetUp()112 virtual void testSetUp() {} testTearDown()113 virtual void testTearDown() {} 114 115 // Requests the OVR_multiview(2) extension and returns true if the operation succeeds. requestMultiviewExtension(bool requireMultiviewMultisample)116 bool requestMultiviewExtension(bool requireMultiviewMultisample) 117 { 118 if (!EnsureGLExtensionEnabled(extensionName())) 119 { 120 std::cout << "Test skipped due to missing " << extensionName() << "." << std::endl; 121 return false; 122 } 123 124 if (requireMultiviewMultisample) 125 { 126 if (!EnsureGLExtensionEnabled("GL_OES_texture_storage_multisample_2d_array")) 127 { 128 std::cout << "Test skipped due to missing GL_ANGLE_multiview_multisample." 129 << std::endl; 130 return false; 131 } 132 133 if (!EnsureGLExtensionEnabled("GL_ANGLE_multiview_multisample")) 134 { 135 std::cout << "Test skipped due to missing GL_ANGLE_multiview_multisample." 136 << std::endl; 137 return false; 138 } 139 } 140 return true; 141 } 142 requestMultiviewExtension()143 bool requestMultiviewExtension() { return requestMultiviewExtension(false); } 144 extensionName()145 std::string extensionName() 146 { 147 switch (GetParam().mMultiviewExtension) 148 { 149 case multiview: 150 return "GL_OVR_multiview"; 151 case multiview2: 152 return "GL_OVR_multiview2"; 153 default: 154 // Ignore unknown. 155 return ""; 156 } 157 } 158 159 private: SetUp()160 void SetUp() override 161 { 162 MultiviewTestBase::MultiviewTestBaseSetUp(); 163 testSetUp(); 164 } TearDown()165 void TearDown() override 166 { 167 testTearDown(); 168 MultiviewTestBase::MultiviewTestBaseTearDown(); 169 } 170 }; 171 172 } // namespace angle 173 174 #endif // ANGLE_TESTS_TESTUTILS_MULTIVIEWTEST_H_ 175