/* This file is part of Magnum. Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Vladimír Vondruš Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include #include #include #include #include #include #include "Magnum/DebugTools/ColorMap.h" #include "Magnum/DebugTools/CompareImage.h" #include "Magnum/GL/Context.h" #include "Magnum/GL/Extensions.h" #include "Magnum/GL/OpenGLTester.h" #include "Magnum/GL/Framebuffer.h" #include "Magnum/GL/Mesh.h" #include "Magnum/GL/Renderbuffer.h" #include "Magnum/GL/RenderbufferFormat.h" #include "Magnum/GL/Texture.h" #include "Magnum/GL/TextureFormat.h" #include "Magnum/Image.h" #include "Magnum/ImageView.h" #include "Magnum/PixelFormat.h" #include "Magnum/Math/Color.h" #include "Magnum/Math/Matrix3.h" #include "Magnum/Math/Matrix4.h" #include "Magnum/MeshTools/Combine.h" #include "Magnum/MeshTools/Compile.h" #include "Magnum/MeshTools/Duplicate.h" #include "Magnum/MeshTools/GenerateIndices.h" #include "Magnum/Primitives/Circle.h" #include "Magnum/Primitives/Icosphere.h" #include "Magnum/Primitives/Plane.h" #include "Magnum/Primitives/UVSphere.h" #include "Magnum/Shaders/MeshVisualizer.h" #include "Magnum/Trade/AbstractImporter.h" #include "Magnum/Trade/MeshData.h" #include "configure.h" namespace Magnum { namespace Shaders { namespace Test { namespace { struct MeshVisualizerGLTest: GL::OpenGLTester { explicit MeshVisualizerGLTest(); void construct2D(); void construct3D(); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void constructWireframeGeometryShader2D(); void constructGeometryShader3D(); #endif void construct2DInvalid(); void construct3DInvalid(); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void construct3DGeometryShaderDisabledButNeeded(); void construct3DConflictingBitangentInput(); #endif void constructMove2D(); void constructMove3D(); void setWireframeNotEnabled2D(); void setWireframeNotEnabled3D(); #ifndef MAGNUM_TARGET_GLES2 void setColorMapNotEnabled2D(); void setColorMapNotEnabled3D(); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void setTangentBitangentNormalNotEnabled3D(); #endif void renderSetup(); void renderTeardown(); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void renderDefaultsWireframe2D(); void renderDefaultsWireframe3D(); #endif #ifndef MAGNUM_TARGET_GLES2 void renderDefaultsObjectId2D(); void renderDefaultsObjectId3D(); void renderDefaultsVertexId2D(); void renderDefaultsVertexId3D(); void renderDefaultsPrimitiveId2D(); void renderDefaultsPrimitiveId3D(); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void renderDefaultsTangentBitangentNormal(); #endif void renderWireframe2D(); void renderWireframe3D(); #ifndef MAGNUM_TARGET_GLES2 void renderObjectVertexPrimitiveId2D(); void renderObjectVertexPrimitiveId3D(); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void renderWireframe3DPerspective(); void renderTangentBitangentNormal(); #endif private: PluginManager::Manager _manager{"nonexistent"}; std::string _testDir; GL::Renderbuffer _color{NoCreate}, _depth{NoCreate}; GL::Framebuffer _framebuffer{NoCreate}; #ifndef MAGNUM_TARGET_GLES2 GL::Texture2D _colorMapTexture; #endif }; /* Rendering tests done on: - Mesa Intel - Mesa AMD . Mesa llvmpipe - SwiftShader ES2/ES3 - ARM Mali (Huawei P10) ES2/ES3 (except TBN visualization) - WebGL 1 / 2 (on Mesa Intel) (except primitive/vertex/object ID) - iPhone 6 w/ iOS 12.4 (except primitive/vertex/object ID) */ using namespace Math::Literals; constexpr struct { const char* name; MeshVisualizer2D::Flags flags; } ConstructData2D[] { {"wireframe w/o GS", MeshVisualizer2D::Flag::Wireframe|MeshVisualizer2D::Flag::NoGeometryShader}, #ifndef MAGNUM_TARGET_GLES2 {"object ID", MeshVisualizer2D::Flag::InstancedObjectId}, {"vertex ID", MeshVisualizer2D::Flag::VertexId}, #ifndef MAGNUM_TARGET_WEBGL {"primitive ID", MeshVisualizer2D::Flag::PrimitiveId}, #endif {"primitive ID from vertex ID", MeshVisualizer2D::Flag::PrimitiveIdFromVertexId} #endif }; constexpr struct { const char* name; MeshVisualizer3D::Flags flags; } ConstructData3D[] { {"wireframe w/o GS", MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::NoGeometryShader}, #ifndef MAGNUM_TARGET_GLES2 {"object ID", MeshVisualizer3D::Flag::InstancedObjectId}, {"vertex ID", MeshVisualizer3D::Flag::VertexId}, #ifndef MAGNUM_TARGET_WEBGL {"primitive ID", MeshVisualizer3D::Flag::PrimitiveId}, #endif {"primitive ID from vertex ID", MeshVisualizer3D::Flag::PrimitiveIdFromVertexId} #endif }; #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) constexpr struct { const char* name; MeshVisualizer3D::Flags flags; } ConstructGeometryShaderData3D[] { {"wireframe", MeshVisualizer3D::Flag::Wireframe}, {"tangent direction", MeshVisualizer3D::Flag::TangentDirection}, {"bitangent direction from tangent", MeshVisualizer3D::Flag::BitangentFromTangentDirection}, {"bitangent direction", MeshVisualizer3D::Flag::BitangentDirection}, {"normal direction", MeshVisualizer3D::Flag::NormalDirection}, {"tbn direction", MeshVisualizer3D::Flag::TangentDirection|MeshVisualizer3D::Flag::BitangentDirection|MeshVisualizer3D::Flag::NormalDirection}, {"tbn direction with bitangent from tangent", MeshVisualizer3D::Flag::TangentDirection|MeshVisualizer3D::Flag::BitangentFromTangentDirection|MeshVisualizer3D::Flag::NormalDirection}, {"wireframe + vertex id", MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::VertexId}, {"wireframe + t/n direction", MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::TangentDirection|MeshVisualizer3D::Flag::NormalDirection}, {"wireframe + object id + t/n direction", MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::InstancedObjectId|MeshVisualizer3D::Flag::TangentDirection|MeshVisualizer3D::Flag::NormalDirection}, {"wireframe + vertex id + t/b direction", MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::VertexId|MeshVisualizer3D::Flag::TangentDirection|MeshVisualizer3D::Flag::BitangentDirection} }; #endif constexpr struct { const char* name; MeshVisualizer2D::Flags flags; const char* message; } ConstructInvalidData2D[] { {"no feature enabled", MeshVisualizer2D::Flag::NoGeometryShader, /* not a feature flag */ #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) "2D: at least one visualization feature has to be enabled" #else "2D: at least Flag::Wireframe has to be enabled" #endif }, #ifndef MAGNUM_TARGET_GLES2 {"both object and primitive id", MeshVisualizer2D::Flag::InstancedObjectId|MeshVisualizer2D::Flag::PrimitiveIdFromVertexId, ": Flag::InstancedObjectId, Flag::VertexId and Flag::PrimitiveId are mutually exclusive"}, {"both object and vertex id", MeshVisualizer2D::Flag::InstancedObjectId|MeshVisualizer2D::Flag::VertexId, ": Flag::InstancedObjectId, Flag::VertexId and Flag::PrimitiveId are mutually exclusive"} #endif }; constexpr struct { const char* name; MeshVisualizer3D::Flags flags; const char* message; } ConstructInvalidData3D[] { {"no feature enabled", MeshVisualizer3D::Flag::NoGeometryShader, /* not a feature flag */ #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) "3D: at least one visualization feature has to be enabled" #else "3D: at least Flag::Wireframe has to be enabled" #endif }, #ifndef MAGNUM_TARGET_GLES2 {"both object and primitive id", MeshVisualizer3D::Flag::InstancedObjectId|MeshVisualizer3D::Flag::PrimitiveIdFromVertexId, ": Flag::InstancedObjectId, Flag::VertexId and Flag::PrimitiveId are mutually exclusive"}, {"both vertex and primitive id", MeshVisualizer3D::Flag::VertexId|MeshVisualizer3D::Flag::PrimitiveIdFromVertexId, ": Flag::InstancedObjectId, Flag::VertexId and Flag::PrimitiveId are mutually exclusive"} #endif }; #ifndef MAGNUM_TARGET_GLES2 constexpr struct { const char* name; SamplerFilter filter; SamplerWrapping wrapping; } ObjectIdDefaultsData[] { {"nearest, clamp", SamplerFilter::Nearest, SamplerWrapping::ClampToEdge}, {"nearest, repeat", SamplerFilter::Nearest, SamplerWrapping::Repeat}, {"linear, clamp", SamplerFilter::Linear, SamplerWrapping::ClampToEdge}, {"linear, repeat", SamplerFilter::Linear, SamplerWrapping::Repeat} }; #endif constexpr struct { const char* name; MeshVisualizer2D::Flags flags; Float width, smoothness; const char* file; const char* fileXfail; } WireframeData2D[] { #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) {"", MeshVisualizer2D::Flags{}, 1.0f, 2.0f, "wireframe2D.tga", nullptr}, {"wide/sharp", MeshVisualizer2D::Flags{}, 3.0f, 1.0f, "wireframe-wide2D.tga", nullptr}, #endif {"no geometry shader", MeshVisualizer2D::Flag::NoGeometryShader, 1.0f, 2.0f, "wireframe2D.tga", "wireframe-nogeo2D.tga"}, {"no geometry shader, wide/sharp", MeshVisualizer2D::Flag::NoGeometryShader, 3.0f, 1.0f, "wireframe-wide2D.tga", "wireframe-nogeo2D.tga"} }; constexpr struct { const char* name; MeshVisualizer3D::Flags flags; Float width, smoothness; const char* file; const char* fileXfail; } WireframeData3D[] { #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) {"", MeshVisualizer3D::Flags{}, 1.0f, 2.0f, "wireframe3D.tga", nullptr}, {"wide/sharp", MeshVisualizer3D::Flags{}, 3.0f, 1.0f, "wireframe-wide3D.tga", nullptr}, #endif {"no geometry shader", MeshVisualizer3D::Flag::NoGeometryShader, 1.0f, 2.0f, "wireframe3D.tga", "wireframe-nogeo3D.tga"}, {"no geometry shader, wide/sharp", MeshVisualizer3D::Flag::NoGeometryShader, 3.0f, 1.0f, "wireframe-wide3D.tga", "wireframe-nogeo3D.tga"} }; #ifndef MAGNUM_TARGET_GLES2 constexpr struct { const char* name; MeshVisualizer2D::Flags flags2D; MeshVisualizer3D::Flags flags3D; const char* file2D; const char* file3D; } ObjectVertexPrimitiveIdData[] { {"object ID", MeshVisualizer2D::Flag::InstancedObjectId, MeshVisualizer3D::Flag::InstancedObjectId, "objectid2D.tga", "objectid3D.tga"}, {"vertex ID", MeshVisualizer2D::Flag::VertexId, MeshVisualizer3D::Flag::VertexId, "vertexid2D.tga", "vertexid3D.tga"}, #ifndef MAGNUM_TARGET_WEBGL {"primitive ID", MeshVisualizer2D::Flag::PrimitiveId, MeshVisualizer3D::Flag::PrimitiveId, "primitiveid2D.tga", "primitiveid3D.tga"}, #endif {"primitive ID from vertex ID", MeshVisualizer2D::Flag::PrimitiveIdFromVertexId, MeshVisualizer3D::Flag::PrimitiveIdFromVertexId, "primitiveid2D.tga", "primitiveid3D.tga"}, {"wireframe + object ID", MeshVisualizer2D::Flag::InstancedObjectId|MeshVisualizer2D::Flag::Wireframe, MeshVisualizer3D::Flag::InstancedObjectId|MeshVisualizer3D::Flag::Wireframe, "wireframe-objectid2D.tga", "wireframe-objectid3D.tga"}, {"wireframe + object ID, no geometry shader", MeshVisualizer2D::Flag::InstancedObjectId|MeshVisualizer2D::Flag::Wireframe| MeshVisualizer2D::Flag::NoGeometryShader, MeshVisualizer3D::Flag::InstancedObjectId|MeshVisualizer3D::Flag::Wireframe| MeshVisualizer3D::Flag::NoGeometryShader, "wireframe-nogeo-objectid2D.tga", "wireframe-nogeo-objectid3D.tga"}, {"wireframe + vertex ID", MeshVisualizer2D::Flag::VertexId|MeshVisualizer2D::Flag::Wireframe, MeshVisualizer3D::Flag::VertexId|MeshVisualizer3D::Flag::Wireframe, "wireframe-vertexid2D.tga", "wireframe-vertexid3D.tga"} }; #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) constexpr struct { const char* name; MeshVisualizer3D::Flags flags; MeshVisualizer3D::Flags secondPassFlags; bool skipBitagnentEvenIfEnabledInFlags; Float smoothness; Float lineWidth; Float lineLength; Float multiply; const char* file; } TangentBitangentNormalData[] { {"", MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::BitangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, false, 2.0f, 1.0f, 0.6f, 1.0f, "tbn.tga"}, {"bitangents from tangents", MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::BitangentFromTangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, false, 2.0f, 1.0f, 0.6f, 1.0f, "tbn.tga"}, {"scaled data", MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::BitangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, false, 2.0f, 1.0f, 0.6f, 5.0f, "tbn.tga"}, {"wide blurry lines", MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::BitangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, false, 5.0f, 5.0f, 0.8f, 1.0f, "tbn-wide.tga"}, {"only bitangent from tangent", MeshVisualizer3D::Flag::BitangentFromTangentDirection, {}, false, 2.0f, 1.0f, 0.6f, 1.0f, "bitangents-from-tangents.tga"}, {"wireframe + primitive ID + tangents + normals, single pass", MeshVisualizer3D::Flag::Wireframe| MeshVisualizer3D::Flag::PrimitiveId| MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, false, 2.0f, 1.0f, 0.6f, 1.0f, "wireframe-primitiveid-tn.tga"}, {"wireframe + primitive ID, rendering all, but only tangents + normals present", MeshVisualizer3D::Flag::Wireframe| MeshVisualizer3D::Flag::PrimitiveId| MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::BitangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, true, 2.0f, 1.0f, 0.6f, 1.0f, "wireframe-primitiveid-tn.tga"}, {"wireframe + tangents + normals, two passes", MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::NormalDirection, MeshVisualizer3D::Flag::Wireframe, false, 2.0f, 1.0f, 0.6f, 1.0f, "wireframe-tn-smooth.tga"}, {"primitive ID + tangents + normals", MeshVisualizer3D::Flag::PrimitiveId| MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::NormalDirection, {}, false, 2.0f, 1.0f, 0.6f, 1.0f, "primitiveid-tn.tga"} }; #endif MeshVisualizerGLTest::MeshVisualizerGLTest() { addInstancedTests({&MeshVisualizerGLTest::construct2D}, Containers::arraySize(ConstructData2D)); addInstancedTests({&MeshVisualizerGLTest::construct3D}, Containers::arraySize(ConstructData3D)); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) addTests({&MeshVisualizerGLTest::constructWireframeGeometryShader2D}); addInstancedTests({&MeshVisualizerGLTest::constructGeometryShader3D}, Containers::arraySize(ConstructGeometryShaderData3D)); #endif addInstancedTests({&MeshVisualizerGLTest::construct2DInvalid}, Containers::arraySize(ConstructInvalidData2D)); addInstancedTests({&MeshVisualizerGLTest::construct3DInvalid}, Containers::arraySize(ConstructInvalidData3D)); addTests({ #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) &MeshVisualizerGLTest::construct3DGeometryShaderDisabledButNeeded, &MeshVisualizerGLTest::construct3DConflictingBitangentInput, #endif &MeshVisualizerGLTest::constructMove2D, &MeshVisualizerGLTest::constructMove3D, &MeshVisualizerGLTest::setWireframeNotEnabled2D, &MeshVisualizerGLTest::setWireframeNotEnabled3D, #ifndef MAGNUM_TARGET_GLES2 &MeshVisualizerGLTest::setColorMapNotEnabled2D, &MeshVisualizerGLTest::setColorMapNotEnabled3D, #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) &MeshVisualizerGLTest::setTangentBitangentNormalNotEnabled3D, #endif }); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) addTests({&MeshVisualizerGLTest::renderDefaultsWireframe2D, &MeshVisualizerGLTest::renderDefaultsWireframe3D}, &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); #endif #ifndef MAGNUM_TARGET_GLES2 addInstancedTests({&MeshVisualizerGLTest::renderDefaultsObjectId2D, &MeshVisualizerGLTest::renderDefaultsObjectId3D}, Containers::arraySize(ObjectIdDefaultsData), &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); #endif #ifndef MAGNUM_TARGET_GLES2 addTests({ &MeshVisualizerGLTest::renderDefaultsVertexId2D, &MeshVisualizerGLTest::renderDefaultsVertexId3D, &MeshVisualizerGLTest::renderDefaultsPrimitiveId2D, &MeshVisualizerGLTest::renderDefaultsPrimitiveId3D, #ifndef MAGNUM_TARGET_WEBGL &MeshVisualizerGLTest::renderDefaultsTangentBitangentNormal #endif }, &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); #endif addInstancedTests({&MeshVisualizerGLTest::renderWireframe2D}, Containers::arraySize(WireframeData2D), &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); addInstancedTests({&MeshVisualizerGLTest::renderWireframe3D}, Containers::arraySize(WireframeData3D), &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); #ifndef MAGNUM_TARGET_GLES2 addInstancedTests({&MeshVisualizerGLTest::renderObjectVertexPrimitiveId2D, &MeshVisualizerGLTest::renderObjectVertexPrimitiveId3D}, Containers::arraySize(ObjectVertexPrimitiveIdData), &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) addTests({&MeshVisualizerGLTest::renderWireframe3DPerspective}, &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); addInstancedTests({&MeshVisualizerGLTest::renderTangentBitangentNormal}, Containers::arraySize(TangentBitangentNormalData), &MeshVisualizerGLTest::renderSetup, &MeshVisualizerGLTest::renderTeardown); #endif /* Load the plugins directly from the build tree. Otherwise they're either static and already loaded or not present in the build tree */ #ifdef ANYIMAGEIMPORTER_PLUGIN_FILENAME CORRADE_INTERNAL_ASSERT_OUTPUT(_manager.load(ANYIMAGEIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); #endif #ifdef TGAIMPORTER_PLUGIN_FILENAME CORRADE_INTERNAL_ASSERT_OUTPUT(_manager.load(TGAIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); #endif #ifdef CORRADE_TARGET_APPLE if(Utility::Directory::isSandboxed() #if defined(CORRADE_TARGET_IOS) && defined(CORRADE_TESTSUITE_TARGET_XCTEST) /** @todo Fix this once I persuade CMake to run XCTest tests properly */ && std::getenv("SIMULATOR_UDID") #endif ) { _testDir = Utility::Directory::path(Utility::Directory::executableLocation()); } else #endif { _testDir = SHADERS_TEST_DIR; } /* Set up a color map texture for use by object / primitive ID tests */ #ifndef MAGNUM_TARGET_GLES2 { const auto map = DebugTools::ColorMap::turbo(); const Vector2i size{Int(map.size()), 1}; _colorMapTexture .setMinificationFilter(SamplerFilter::Linear) .setMagnificationFilter(SamplerFilter::Linear) .setWrapping(SamplerWrapping::Repeat) .setStorage(1, GL::TextureFormat::RGB8, size) .setSubImage(0, {}, ImageView2D{PixelFormat::RGB8Srgb, size, map}); } #endif } void MeshVisualizerGLTest::construct2D() { auto&& data = ConstructData2D[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if((data.flags & MeshVisualizer2D::Flag::InstancedObjectId) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::gpu_shader4::string() + std::string(" is not supported")); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if(data.flags >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId && #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL300) #else !GL::Context::current().isVersionSupported(GL::Version::GLES300) #endif ) CORRADE_SKIP("gl_VertexID not supported."); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if(data.flags & MeshVisualizer2D::Flag::PrimitiveId && !(data.flags >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId) && #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL320) #else !GL::Context::current().isVersionSupported(GL::Version::GLES320) #endif ) CORRADE_SKIP("gl_PrimitiveID not supported."); #endif MeshVisualizer2D shader{data.flags}; CORRADE_COMPARE(shader.flags(), data.flags); CORRADE_VERIFY(shader.id()); { #ifdef CORRADE_TARGET_APPLE CORRADE_EXPECT_FAIL("macOS drivers need insane amount of state to validate properly."); #endif CORRADE_VERIFY(shader.validate().first); } MAGNUM_VERIFY_NO_GL_ERROR(); } void MeshVisualizerGLTest::construct3D() { auto&& data = ConstructData3D[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if((data.flags & MeshVisualizer3D::Flag::InstancedObjectId) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::gpu_shader4::string() + std::string(" is not supported")); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if(data.flags >= MeshVisualizer3D::Flag::PrimitiveIdFromVertexId && #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL300) #else !GL::Context::current().isVersionSupported(GL::Version::GLES300) #endif ) CORRADE_SKIP("gl_VertexID not supported."); #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if(data.flags & MeshVisualizer3D::Flag::PrimitiveId && !(data.flags >= MeshVisualizer3D::Flag::PrimitiveIdFromVertexId) && #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL320) #else !GL::Context::current().isVersionSupported(GL::Version::GLES320) #endif ) CORRADE_SKIP("gl_PrimitiveID not supported."); #endif MeshVisualizer3D shader{data.flags}; CORRADE_COMPARE(shader.flags(), data.flags); CORRADE_VERIFY(shader.id()); { #ifdef CORRADE_TARGET_APPLE CORRADE_EXPECT_FAIL("macOS drivers need insane amount of state to validate properly."); #endif CORRADE_VERIFY(shader.validate().first); } MAGNUM_VERIFY_NO_GL_ERROR(); } #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void MeshVisualizerGLTest::constructWireframeGeometryShader2D() { #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #ifdef MAGNUM_TARGET_GLES if(GL::Context::current().isExtensionSupported()) Debug() << "Using" << GL::Extensions::NV::shader_noperspective_interpolation::string(); #endif MeshVisualizer2D shader{MeshVisualizer2D::Flag::Wireframe}; CORRADE_COMPARE(shader.flags(), MeshVisualizer2D::Flag::Wireframe); { #ifdef CORRADE_TARGET_APPLE CORRADE_EXPECT_FAIL("macOS drivers need insane amount of state to validate properly."); #endif CORRADE_VERIFY(shader.id()); CORRADE_VERIFY(shader.validate().first); } } void MeshVisualizerGLTest::constructGeometryShader3D() { auto&& data = ConstructGeometryShaderData3D[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #ifdef MAGNUM_TARGET_GLES if(GL::Context::current().isExtensionSupported()) Debug() << "Using" << GL::Extensions::NV::shader_noperspective_interpolation::string(); #endif MeshVisualizer3D shader{data.flags}; CORRADE_COMPARE(shader.flags(), data.flags); { #ifdef CORRADE_TARGET_APPLE CORRADE_EXPECT_FAIL("macOS drivers need insane amount of state to validate properly."); #endif CORRADE_VERIFY(shader.id()); CORRADE_VERIFY(shader.validate().first); } } #endif void MeshVisualizerGLTest::construct2DInvalid() { auto&& data = ConstructInvalidData2D[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif std::ostringstream out; Error redirectError{&out}; MeshVisualizer2D{data.flags}; CORRADE_COMPARE(out.str(), Utility::formatString("Shaders::MeshVisualizer{}\n", data.message)); } void MeshVisualizerGLTest::construct3DInvalid() { auto&& data = ConstructInvalidData3D[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif std::ostringstream out; Error redirectError{&out}; MeshVisualizer3D{data.flags}; CORRADE_COMPARE(out.str(), Utility::formatString("Shaders::MeshVisualizer{}\n", data.message)); } #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void MeshVisualizerGLTest::construct3DGeometryShaderDisabledButNeeded() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif std::ostringstream out; Error redirectError{&out}; MeshVisualizer3D{MeshVisualizer3D::Flag::NoGeometryShader|MeshVisualizer3D::Flag::NormalDirection}; CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer3D: geometry shader has to be enabled when rendering TBN direction\n"); } void MeshVisualizerGLTest::construct3DConflictingBitangentInput() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif std::ostringstream out; Error redirectError{&out}; MeshVisualizer3D{MeshVisualizer3D::Flag::BitangentFromTangentDirection|MeshVisualizer3D::Flag::BitangentDirection}; CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer3D: Flag::BitangentDirection and Flag::BitangentFromTangentDirection are mutually exclusive\n"); } #endif void MeshVisualizerGLTest::constructMove2D() { MeshVisualizer2D a{MeshVisualizer2D::Flag::Wireframe|MeshVisualizer2D::Flag::NoGeometryShader}; const GLuint id = a.id(); CORRADE_VERIFY(id); MAGNUM_VERIFY_NO_GL_ERROR(); MeshVisualizer2D b{std::move(a)}; CORRADE_COMPARE(b.id(), id); CORRADE_COMPARE(b.flags(), MeshVisualizer2D::Flag::Wireframe|MeshVisualizer2D::Flag::NoGeometryShader); CORRADE_VERIFY(!a.id()); MeshVisualizer2D c{NoCreate}; c = std::move(b); CORRADE_COMPARE(c.id(), id); CORRADE_COMPARE(c.flags(), MeshVisualizer2D::Flag::Wireframe|MeshVisualizer2D::Flag::NoGeometryShader); CORRADE_VERIFY(!b.id()); } void MeshVisualizerGLTest::constructMove3D() { MeshVisualizer3D a{MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::NoGeometryShader}; const GLuint id = a.id(); CORRADE_VERIFY(id); MAGNUM_VERIFY_NO_GL_ERROR(); MeshVisualizer3D b{std::move(a)}; CORRADE_COMPARE(b.id(), id); CORRADE_COMPARE(b.flags(), MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::NoGeometryShader); CORRADE_VERIFY(!a.id()); MeshVisualizer3D c{NoCreate}; c = std::move(b); CORRADE_COMPARE(c.id(), id); CORRADE_COMPARE(c.flags(), MeshVisualizer3D::Flag::Wireframe|MeshVisualizer3D::Flag::NoGeometryShader); CORRADE_VERIFY(!b.id()); } void MeshVisualizerGLTest::setWireframeNotEnabled2D() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif std::ostringstream out; Error redirectError{&out}; /* The constructor asserts for at least some feature being enabled (which is just wireframe in case of 2D), so fake it with a NoCreate */ MeshVisualizer2D shader{NoCreate}; shader .setColor({}); #ifndef MAGNUM_TARGET_GLES2 CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setColor(): the shader was not created with wireframe or object/vertex/primitive ID enabled\n"); #else CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setColor(): the shader was not created with wireframe enabled\n"); #endif out.str({}); shader .setWireframeColor({}) .setWireframeWidth({}) .setSmoothness({}); CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setWireframeColor(): the shader was not created with wireframe enabled\n" "Shaders::MeshVisualizer::setWireframeWidth(): the shader was not created with wireframe enabled\n" "Shaders::MeshVisualizer2D::setSmoothness(): the shader was not created with wireframe enabled\n"); } void MeshVisualizerGLTest::setWireframeNotEnabled3D() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif std::ostringstream out; Error redirectError{&out}; /* The constructor asserts for at least some feature being enabled (which is just wireframe in case we're not on desktop or ES3.2), so fake it with a NoCreate */ MeshVisualizer3D shader{NoCreate}; shader .setColor({}); #ifndef MAGNUM_TARGET_GLES2 CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setColor(): the shader was not created with wireframe or object/vertex/primitive ID enabled\n"); #else CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setColor(): the shader was not created with wireframe enabled\n"); #endif out.str({}); shader .setWireframeColor({}) .setWireframeWidth({}) .setSmoothness({}); CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setWireframeColor(): the shader was not created with wireframe enabled\n" "Shaders::MeshVisualizer::setWireframeWidth(): the shader was not created with wireframe enabled\n" "Shaders::MeshVisualizer3D::setSmoothness(): the shader was not created with wireframe or TBN direction enabled\n"); } #ifndef MAGNUM_TARGET_GLES2 void MeshVisualizerGLTest::setColorMapNotEnabled2D() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif std::ostringstream out; Error redirectError{&out}; GL::Texture2D texture; MeshVisualizer2D shader{NoCreate}; shader.setColorMapTransformation({}, {}) .bindColorMapTexture(texture); CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setColorMapTransformation(): the shader was not created with object/vertex/primitive ID enabled\n" "Shaders::MeshVisualizer::bindColorMapTexture(): the shader was not created with object/vertex/primitive ID enabled\n"); } void MeshVisualizerGLTest::setColorMapNotEnabled3D() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif std::ostringstream out; Error redirectError{&out}; GL::Texture2D texture; MeshVisualizer3D shader{NoCreate}; shader.setColorMapTransformation({}, {}) .bindColorMapTexture(texture); CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer::setColorMapTransformation(): the shader was not created with object/vertex/primitive ID enabled\n" "Shaders::MeshVisualizer::bindColorMapTexture(): the shader was not created with object/vertex/primitive ID enabled\n"); } #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void MeshVisualizerGLTest::setTangentBitangentNormalNotEnabled3D() { #ifdef CORRADE_NO_ASSERT CORRADE_SKIP("CORRADE_NO_ASSERT defined, can't test assertions"); #endif #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif std::ostringstream out; Error redirectError{&out}; MeshVisualizer3D shader{MeshVisualizer3D::Flag::Wireframe}; shader.setNormalMatrix({}) .setLineWidth({}) .setLineLength({}); CORRADE_COMPARE(out.str(), "Shaders::MeshVisualizer3D::setNormalMatrix(): the shader was not created with TBN direction enabled\n" "Shaders::MeshVisualizer3D::setLineWidth(): the shader was not created with TBN direction enabled\n" "Shaders::MeshVisualizer3D::setLineLength(): the shader was not created with TBN direction enabled\n"); } #endif constexpr Vector2i RenderSize{80, 80}; void MeshVisualizerGLTest::renderSetup() { /* Pick a color that's directly representable on RGBA4 as well to reduce artifacts */ GL::Renderer::setClearColor(0x111111_rgbf); GL::Renderer::enable(GL::Renderer::Feature::FaceCulling); _color = GL::Renderbuffer{}; _color.setStorage( #if !defined(MAGNUM_TARGET_GLES2) || !defined(MAGNUM_TARGET_WEBGL) GL::RenderbufferFormat::RGBA8, #else GL::RenderbufferFormat::RGBA4, #endif RenderSize); _depth = GL::Renderbuffer{}; _depth.setStorage(GL::RenderbufferFormat::DepthComponent16, RenderSize); _framebuffer = GL::Framebuffer{{{}, RenderSize}}; _framebuffer .attachRenderbuffer(GL::Framebuffer::ColorAttachment{0}, _color) .attachRenderbuffer(GL::Framebuffer::BufferAttachment::Depth, _depth) .clear(GL::FramebufferClear::Color|GL::FramebufferClear::Depth) .bind(); /* Disable depth test & blending by default, particular tests enable it if needed */ GL::Renderer::disable(GL::Renderer::Feature::DepthTest); GL::Renderer::disable(GL::Renderer::Feature::Blending); } void MeshVisualizerGLTest::renderTeardown() { _framebuffer = GL::Framebuffer{NoCreate}; _color = GL::Renderbuffer{NoCreate}; } #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void MeshVisualizerGLTest::renderDefaultsWireframe2D() { #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #ifdef MAGNUM_TARGET_GLES if(GL::Context::current().isExtensionSupported()) Debug() << "Using" << GL::Extensions::NV::shader_noperspective_interpolation::string(); #endif GL::Mesh circle = MeshTools::compile(Primitives::circle2DSolid(16)); MeshVisualizer2D shader{MeshVisualizer2D::Flag::Wireframe}; shader.draw(circle); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); { CORRADE_EXPECT_FAIL("Defaults don't work for wireframe as line width is derived from viewport size."); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-wireframe2D.tga"), (DebugTools::CompareImageToFile{_manager})); } /** @todo make this unnecessary */ shader .setViewportSize({80, 80}) .draw(circle); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-wireframe2D.tga"), /* AMD has off-by-one errors on edges compared to Intel */ (DebugTools::CompareImageToFile{_manager, 1.0f, 0.082f})); } void MeshVisualizerGLTest::renderDefaultsWireframe3D() { #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #ifdef MAGNUM_TARGET_GLES if(GL::Context::current().isExtensionSupported()) Debug() << "Using" << GL::Extensions::NV::shader_noperspective_interpolation::string(); #endif GL::Mesh sphere = MeshTools::compile(Primitives::icosphereSolid(1)); MeshVisualizer3D shader{MeshVisualizer3D::Flag::Wireframe}; shader.draw(sphere); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); { CORRADE_EXPECT_FAIL("Defaults don't work for wireframe as line width is derived from viewport size."); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-wireframe3D.tga"), (DebugTools::CompareImageToFile{_manager})); } /** @todo make this unnecessary */ shader .setViewportSize({80, 80}) .draw(sphere); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-wireframe3D.tga"), /* AMD has off-by-one errors on edges compared to Intel */ (DebugTools::CompareImageToFile{_manager, 1.0f, 0.06f})); } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshVisualizerGLTest::renderDefaultsObjectId2D() { auto&& data = ObjectIdDefaultsData[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::gpu_shader4::string() + std::string(" is not supported")); #endif /* Configure a texture with preset filtering and wrapping. The goal here is that the default config should be filtering/wrapping-independent for the first 256 items */ const auto map = DebugTools::ColorMap::turbo(); const Vector2i size{Int(map.size()), 1}; GL::Texture2D colorMapTexture; colorMapTexture .setMinificationFilter(data.filter) .setMagnificationFilter(data.filter) .setWrapping(data.wrapping) .setStorage(1, GL::TextureFormat::RGB8, size) .setSubImage(0, {}, ImageView2D{PixelFormat::RGB8Srgb, size, map}); /* Generate per-face IDs going from 0 to 240 to cover the whole range */ Containers::Array ids{16}; for(std::size_t i = 0; i != ids.size(); ++i) ids[i] = i*16; GL::Mesh circle = MeshTools::compile(MeshTools::combineFaceAttributes( MeshTools::generateIndices(Primitives::circle2DSolid(16)), { Trade::MeshAttributeData{Trade::MeshAttribute::ObjectId, Containers::arrayView(ids)} })); MeshVisualizer2D{MeshVisualizer2D::Flag::InstancedObjectId} .bindColorMapTexture(colorMapTexture) .draw(circle); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-objectid2D.tga"), /* SwiftShader has a few rounding errors on edges */ (DebugTools::CompareImageToFile{_manager, 150.67f, 0.45f})); } void MeshVisualizerGLTest::renderDefaultsObjectId3D() { auto&& data = ObjectIdDefaultsData[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::gpu_shader4::string() + std::string(" is not supported")); #endif /* Configure a texture with preset filtering and wrapping. The goal here is that the default config should be filtering/wrapping-independent for the first 256 items */ const auto map = DebugTools::ColorMap::turbo(); const Vector2i size{Int(map.size()), 1}; GL::Texture2D colorMapTexture; colorMapTexture .setMinificationFilter(data.filter) .setMagnificationFilter(data.filter) .setWrapping(data.wrapping) .setStorage(1, GL::TextureFormat::RGB8, size) .setSubImage(0, {}, ImageView2D{PixelFormat::RGB8Srgb, size, map}); /* Generate per-face IDs going from 0 to 228 to cover the whole range */ Containers::Array ids{20}; for(std::size_t i = 0; i != ids.size(); ++i) ids[i] = i*12; GL::Mesh icosphere = MeshTools::compile(MeshTools::combineFaceAttributes( Primitives::icosphereSolid(0), { Trade::MeshAttributeData{Trade::MeshAttribute::ObjectId, Containers::arrayView(ids)} })); MeshVisualizer3D{MeshVisualizer3D::Flag::InstancedObjectId} .bindColorMapTexture(colorMapTexture) .draw(icosphere); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-objectid3D.tga"), /* SwiftShader has a few rounding errors on edges */ (DebugTools::CompareImageToFile{_manager, 150.67f, 0.165f})); } void MeshVisualizerGLTest::renderDefaultsVertexId2D() { if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if( #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL300) #else !GL::Context::current().isVersionSupported(GL::Version::GLES300) #endif ) CORRADE_SKIP("gl_VertexID not supported."); #endif MeshVisualizer2D{MeshVisualizer2D::Flag::VertexId} .bindColorMapTexture(_colorMapTexture) .draw(MeshTools::compile(Primitives::circle2DSolid(16))); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-vertexid2D.tga"), (DebugTools::CompareImageToFile{_manager, 1.0f, 0.017f})); } void MeshVisualizerGLTest::renderDefaultsVertexId3D() { if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if( #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL300) #else !GL::Context::current().isVersionSupported(GL::Version::GLES300) #endif ) CORRADE_SKIP("gl_VertexID not supported."); #endif MeshVisualizer2D{MeshVisualizer2D::Flag::VertexId} .bindColorMapTexture(_colorMapTexture) .draw(MeshTools::compile(Primitives::icosphereSolid(0))); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-vertexid3D.tga"), (DebugTools::CompareImageToFile{_manager, 1.0f, 0.012f})); } void MeshVisualizerGLTest::renderDefaultsPrimitiveId2D() { if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if( #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL300) #else !GL::Context::current().isVersionSupported(GL::Version::GLES300) #endif ) CORRADE_SKIP("gl_VertexID not supported."); #endif MeshVisualizer2D::Flags flags; #ifdef MAGNUM_TARGET_WEBGL flags = MeshVisualizer2D::Flag::PrimitiveIdFromVertexId; #else #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isVersionSupported(GL::Version::GL320)) #else if(!GL::Context::current().isVersionSupported(GL::Version::GLES320)) #endif { Debug{} << "Using primitive ID from vertex ID"; flags = MeshVisualizer2D::Flag::PrimitiveIdFromVertexId; } else flags = MeshVisualizer2D::Flag::PrimitiveId; #endif Trade::MeshData circleData = Primitives::circle2DSolid(16); if(flags >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId) circleData = MeshTools::duplicate(MeshTools::generateIndices(circleData)); MeshVisualizer2D{flags} .bindColorMapTexture(_colorMapTexture) .draw(MeshTools::compile(circleData)); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-primitiveid2D.tga"), /* SwiftShader has a few rounding errors on edges */ (DebugTools::CompareImageToFile{_manager, 76.67f, 0.23f})); } void MeshVisualizerGLTest::renderDefaultsPrimitiveId3D() { if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if( #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL300) #else !GL::Context::current().isVersionSupported(GL::Version::GLES300) #endif ) CORRADE_SKIP("gl_VertexID not supported."); #endif MeshVisualizer2D::Flags flags; #ifdef MAGNUM_TARGET_WEBGL flags = MeshVisualizer2D::Flag::PrimitiveIdFromVertexId; #else #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isVersionSupported(GL::Version::GL320)) #else if(!GL::Context::current().isVersionSupported(GL::Version::GLES320)) #endif { Debug{} << "Using primitive ID from vertex ID"; flags = MeshVisualizer2D::Flag::PrimitiveIdFromVertexId; } else flags = MeshVisualizer2D::Flag::PrimitiveId; #endif Trade::MeshData icosphereData = Primitives::icosphereSolid(0); if(flags >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId) icosphereData = MeshTools::duplicate(icosphereData); MeshVisualizer2D{flags} .bindColorMapTexture(_colorMapTexture) .draw(MeshTools::compile(icosphereData)); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-primitiveid3D.tga"), /* SwiftShader has a few rounding errors on edges */ (DebugTools::CompareImageToFile{_manager, 88.34f, 0.071f})); } #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void MeshVisualizerGLTest::renderDefaultsTangentBitangentNormal() { #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif GL::Mesh sphere = MeshTools::compile(Primitives::uvSphereSolid(4, 8, Primitives::UVSphereFlag::Tangents)); MeshVisualizer3D{MeshVisualizer3D::Flag::TangentDirection| MeshVisualizer3D::Flag::BitangentFromTangentDirection| MeshVisualizer3D::Flag::NormalDirection} .setViewportSize({80, 80}) /** @todo make this unnecessary */ .draw(sphere); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/defaults-tbn.tga"), /* AMD has off-by-one errors on edges compared to Intel */ (DebugTools::CompareImageToFile{_manager, 1.0f, 0.06f})); } #endif void MeshVisualizerGLTest::renderWireframe2D() { auto&& data = WireframeData2D[testCaseInstanceId()]; setTestCaseDescription(data.name); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) #ifndef MAGNUM_TARGET_GLES if(!(data.flags & MeshVisualizer2D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!(data.flags & MeshVisualizer2D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #ifdef MAGNUM_TARGET_GLES if(GL::Context::current().isExtensionSupported()) Debug() << "Using" << GL::Extensions::NV::shader_noperspective_interpolation::string(); #endif #endif const Trade::MeshData circleData = Primitives::circle2DSolid(16); GL::Mesh circle{NoCreate}; if(data.flags & MeshVisualizer2D::Flag::NoGeometryShader) { /* Duplicate the vertices. The circle primitive is */ const Trade::MeshData circleDataIndexed = MeshTools::generateIndices(circleData); circle = MeshTools::compile(MeshTools::duplicate(circleDataIndexed)); /* Supply also the vertex ID, if needed */ #ifndef MAGNUM_TARGET_GLES2 if(!GL::Context::current().isExtensionSupported()) #endif { Containers::Array vertexIndex{circleDataIndexed.indexCount()}; std::iota(vertexIndex.begin(), vertexIndex.end(), 0.0f); GL::Buffer vertexId; vertexId.setData(vertexIndex); circle.addVertexBuffer(std::move(vertexId), 0, MeshVisualizer2D::VertexIndex{}); } } else circle = MeshTools::compile(circleData); MeshVisualizer2D{data.flags|MeshVisualizer2D::Flag::Wireframe} .setColor(0xffff99_rgbf) .setWireframeColor(0x9999ff_rgbf) .setWireframeWidth(data.width) .setSmoothness(data.smoothness) .setViewportSize({80, 80}) .setTransformationProjectionMatrix(Matrix3::projection({2.1f, 2.1f})) .draw(circle); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); { CORRADE_EXPECT_FAIL_IF(data.flags & MeshVisualizer2D::Flag::NoGeometryShader, "Line width is currently not configurable w/o geometry shader."); #if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL)) /* SwiftShader has differently rasterized edges on four pixels */ const Float maxThreshold = 170.0f, meanThreshold = 0.327f; #else /* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */ const Float maxThreshold = 170.0f, meanThreshold = 1.699f; #endif CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.file}), (DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); } /* Test it's not *too* off, at least */ if(data.flags & MeshVisualizer2D::Flag::NoGeometryShader) { #if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL)) /* SwiftShader has differently rasterized edges on four pixels. Apple A8 on more. */ const Float maxThreshold = 170.0f, meanThreshold = 0.330f; #else /* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */ const Float maxThreshold = 170.0f, meanThreshold = 2.077f; #endif CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.fileXfail}), (DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); } } void MeshVisualizerGLTest::renderWireframe3D() { auto&& data = WireframeData3D[testCaseInstanceId()]; setTestCaseDescription(data.name); #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) #ifndef MAGNUM_TARGET_GLES if(!(data.flags & MeshVisualizer3D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!(data.flags & MeshVisualizer3D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #ifdef MAGNUM_TARGET_GLES if(GL::Context::current().isExtensionSupported()) Debug() << "Using" << GL::Extensions::NV::shader_noperspective_interpolation::string(); #endif #endif const Trade::MeshData sphereData = Primitives::icosphereSolid(1); GL::Mesh sphere{NoCreate}; if(data.flags & MeshVisualizer3D::Flag::NoGeometryShader) { /* Duplicate the vertices */ sphere = MeshTools::compile(MeshTools::duplicate(sphereData)); /* Supply also the vertex ID, if needed */ #ifndef MAGNUM_TARGET_GLES2 if(!GL::Context::current().isExtensionSupported()) #endif { Containers::Array vertexIndex{sphereData.indexCount()}; std::iota(vertexIndex.begin(), vertexIndex.end(), 0.0f); GL::Buffer vertexId; vertexId.setData(vertexIndex); sphere.addVertexBuffer(std::move(vertexId), 0, MeshVisualizer3D::VertexIndex{}); } } else sphere = MeshTools::compile(sphereData); MeshVisualizer3D{data.flags|MeshVisualizer3D::Flag::Wireframe} .setColor(0xffff99_rgbf) .setWireframeColor(0x9999ff_rgbf) .setWireframeWidth(data.width) .setSmoothness(data.smoothness) .setViewportSize({80, 80}) .setTransformationMatrix( Matrix4::translation(Vector3::zAxis(-2.15f))* Matrix4::rotationY(-15.0_degf)* Matrix4::rotationX(15.0_degf)) .setProjectionMatrix(Matrix4::perspectiveProjection(60.0_degf, 1.0f, 0.1f, 10.0f)) .draw(sphere); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); { CORRADE_EXPECT_FAIL_IF(data.flags & MeshVisualizer3D::Flag::NoGeometryShader, "Line width is currently not configurable w/o geometry shader."); #if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL)) /* SwiftShader has differently rasterized edges on four pixels. On a GS, if GL_NV_shader_noperspective_interpolation is not supported, the artifacts are bigger. */ Float maxThreshold = 170.0f, meanThreshold = 0.327f; #if defined(MAGNUM_TARGET_GLES) && !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) if(!(data.flags & MeshVisualizer3D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) meanThreshold = 2.166f; #endif #else /* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */ const Float maxThreshold = 170.0f, meanThreshold = 1.699f; #endif CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.file}), (DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); } /* Test it's not *too* off, at least */ if(data.flags & MeshVisualizer3D::Flag::NoGeometryShader) { #if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL)) /* SwiftShader has differently rasterized edges on four pixels. Apple A8 on more. */ const Float maxThreshold = 170.0f, meanThreshold = 0.330f; #else /* WebGL 1 doesn't have 8bit renderbuffer storage, so it's way worse */ const Float maxThreshold = 170.0f, meanThreshold = 1.699f; #endif CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.fileXfail}), (DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); } } #ifndef MAGNUM_TARGET_GLES2 void MeshVisualizerGLTest::renderObjectVertexPrimitiveId2D() { auto&& data = ObjectVertexPrimitiveIdData[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if((data.flags2D & MeshVisualizer2D::Flag::InstancedObjectId) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::gpu_shader4::string() + std::string(" is not supported")); #endif #ifndef MAGNUM_TARGET_WEBGL if(data.flags2D & MeshVisualizer2D::Flag::PrimitiveId && !(data.flags2D >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId) && #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL320) #else !GL::Context::current().isVersionSupported(GL::Version::GLES320) #endif ) CORRADE_SKIP("gl_PrimitiveID not supported."); #ifndef MAGNUM_TARGET_GLES if(data.flags2D & MeshVisualizer2D::Flag::Wireframe && !(data.flags2D & MeshVisualizer2D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(data.flags2D & MeshVisualizer2D::Flag::Wireframe && !(data.flags2D & MeshVisualizer2D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #endif Trade::MeshData circleData = Primitives::circle2DSolid(16); if(data.flags2D & MeshVisualizer2D::Flag::InstancedObjectId) { Containers::Array ids{16}; /* Each two faces share the same ID */ for(std::size_t i = 0; i != ids.size(); ++i) ids[i] = i/2; circleData = MeshTools::combineFaceAttributes( MeshTools::generateIndices(circleData), { Trade::MeshAttributeData{Trade::MeshAttribute::ObjectId, Containers::arrayView(ids)} }); } /* Duplicate the data if using primitive ID from vertex ID or if geometry shader is disabled */ if(data.flags2D >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId) circleData = MeshTools::generateIndices(circleData); if(data.flags2D >= MeshVisualizer2D::Flag::PrimitiveIdFromVertexId || data.flags2D & MeshVisualizer2D::Flag::NoGeometryShader) circleData = MeshTools::duplicate(circleData); GL::Mesh circle = MeshTools::compile(circleData); MeshVisualizer2D shader{data.flags2D}; shader /* Remove blue so it's clear the (wireframe) background and mapped ID colors got mixed */ .setColor(0xffff00_rgbf) /* Shouldn't assert (nor warn) when wireframe is not enabled */ .setViewportSize({80, 80}) .setTransformationProjectionMatrix(Matrix3::projection({2.1f, 2.1f})) .bindColorMapTexture(_colorMapTexture); /* OTOH the wireframe color should stay at full channels, not mixed */ if(data.flags3D & MeshVisualizer3D::Flag::Wireframe) shader.setWireframeColor(0xffffff_rgbf); /* For vertex ID we don't want any repeat/wraparound as that causes disruptions in the gradient and test failures. There's 17 vertices also. */ if(data.flags2D & MeshVisualizer2D::Flag::VertexId) shader.setColorMapTransformation(1.0f, -1.0f/17.0f); /* For object/primitive ID there's no gradient so a wraparound is okay. This should cover the first half of the colormap, in reverse order; for primitive ID the whole colormap due to the repeat wrapping */ else shader.setColorMapTransformation(0.5f, -1.0f/16.0f); shader.draw(circle); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.file2D}), /* AMD has slight off-by-one errors compared to Intel, SwiftShader a bit more */ (DebugTools::CompareImageToFile{_manager, 4.0f, 0.141f})); } void MeshVisualizerGLTest::renderObjectVertexPrimitiveId3D() { auto&& data = ObjectVertexPrimitiveIdData[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if((data.flags3D & MeshVisualizer3D::Flag::InstancedObjectId) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::gpu_shader4::string() + std::string(" is not supported")); #endif #ifndef MAGNUM_TARGET_WEBGL if(data.flags3D & MeshVisualizer3D::Flag::PrimitiveId && !(data.flags3D >= MeshVisualizer3D::Flag::PrimitiveIdFromVertexId) && #ifndef MAGNUM_TARGET_GLES !GL::Context::current().isVersionSupported(GL::Version::GL320) #else !GL::Context::current().isVersionSupported(GL::Version::GLES320) #endif ) CORRADE_SKIP("gl_PrimitiveID not supported."); #ifndef MAGNUM_TARGET_GLES if(data.flags3D & MeshVisualizer3D::Flag::Wireframe && !(data.flags3D & MeshVisualizer3D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(data.flags3D & MeshVisualizer3D::Flag::Wireframe && !(data.flags3D & MeshVisualizer3D::Flag::NoGeometryShader) && !GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif #endif Trade::MeshData icosphereData = Primitives::icosphereSolid(1); if(data.flags3D & MeshVisualizer3D::Flag::InstancedObjectId) { Containers::Array ids{80}; /* Each four faces share the same ID */ for(std::size_t i = 0; i != ids.size(); ++i) ids[i] = i/4; icosphereData = MeshTools::combineFaceAttributes( icosphereData, { Trade::MeshAttributeData{Trade::MeshAttribute::ObjectId, Containers::arrayView(ids)} }); } /* Duplicate the data if using primitive ID from vertex ID or if geometry shader is disabled */ if(data.flags3D >= MeshVisualizer3D::Flag::PrimitiveIdFromVertexId || data.flags3D & MeshVisualizer3D::Flag::NoGeometryShader) icosphereData = MeshTools::duplicate(icosphereData); GL::Mesh circle = MeshTools::compile(icosphereData); MeshVisualizer3D shader{data.flags3D}; shader /* Remove blue so it's clear the wireframe background and mapped ID colors got mixed */ .setColor(0xffff00_rgbf) /* Shouldn't assert (nor warn) when wireframe is not enabled */ .setViewportSize({80, 80}) .setTransformationMatrix( Matrix4::translation(Vector3::zAxis(-2.15f))* Matrix4::rotationY(-15.0_degf)* Matrix4::rotationX(15.0_degf)) .setProjectionMatrix(Matrix4::perspectiveProjection(60.0_degf, 1.0f, 0.1f, 10.0f)) .bindColorMapTexture(_colorMapTexture); /* OTOH the wireframe color should stay at full channels, not mixed */ if(data.flags2D & MeshVisualizer2D::Flag::Wireframe) shader.setWireframeColor(0xffffff_rgbf); /* For vertex ID we don't want any repeat/wraparound as that causes disruptions in the gradient and test failures. There's 42 vertices also. */ if(data.flags2D & MeshVisualizer2D::Flag::VertexId) shader.setColorMapTransformation(1.0f, -1.0f/42.0f); /* For object/primitive ID there's no gradient so a wraparound is okay. This should cover the first half of the colormap, in reverse order; for primitive ID the whole colormap due to the repeat wrapping */ else shader.setColorMapTransformation(0.5f, -1.0f/40.0f); shader.draw(circle); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); /* Release build has 1 pixel slightly off. Huh. AMD & llvmpipe has additional off-by-one errors compared to Intel, SwiftShader some errors on the edges. If GL_NV_shader_noperspective_interpolation is not supported, the artifacts are bigger when wireframe is enabled. */ Float maxThreshold = 138.4f, meanThreshold = 0.279f; #if defined(MAGNUM_TARGET_GLES) && !defined(MAGNUM_TARGET_WEBGL) if(data.flags3D & MeshVisualizer3D::Flag::Wireframe && !GL::Context::current().isExtensionSupported()) { /* SwiftShader has a bit more rounding errors */ maxThreshold = 238.0f; meanThreshold = 1.957f; } #endif CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.file3D}), (DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); } #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) void MeshVisualizerGLTest::renderWireframe3DPerspective() { #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif GL::Mesh plane = MeshTools::compile(Primitives::planeSolid()); MeshVisualizer3D{MeshVisualizer3D::Flag::Wireframe} .setWireframeWidth(8.0f) .setWireframeColor(0xff0000_rgbf) .setViewportSize({80, 80}) .setTransformationMatrix( Matrix4::translation({0.0f, 0.5f, -3.5f})* Matrix4::rotationX(-60.0_degf)* Matrix4::scaling(Vector3::yScale(2.0f))) .setProjectionMatrix(Matrix4::perspectiveProjection(60.0_degf, 1.0f, 0.1f, 10.0f)) .draw(plane); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); #ifdef MAGNUM_TARGET_GLES CORRADE_EXPECT_FAIL_IF(!GL::Context::current().isExtensionSupported(), "GL_NV_shader_noperspective_interpolation not available."); #endif /* Slight rasterization differences on AMD. */ CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join(_testDir, "MeshVisualizerTestFiles/wireframe-perspective.tga"), (DebugTools::CompareImageToFile{_manager, 0.667f, 0.002f})); } void MeshVisualizerGLTest::renderTangentBitangentNormal() { auto&& data = TangentBitangentNormalData[testCaseInstanceId()]; setTestCaseDescription(data.name); #ifndef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::ARB::geometry_shader4::string() + std::string(" is not supported")); #else if(!GL::Context::current().isExtensionSupported()) CORRADE_SKIP(GL::Extensions::EXT::geometry_shader::string() + std::string(" is not supported")); #endif GL::Renderer::enable(GL::Renderer::Feature::DepthTest); GL::Renderer::enable(GL::Renderer::Feature::Blending); GL::Renderer::setBlendFunction(GL::Renderer::BlendFunction::One, GL::Renderer::BlendFunction::OneMinusSourceAlpha); /* Creating a primitive from scratch because Primitives::planeSolid() is too regular to test everything properly */ struct Vertex { Vector3 position; Vector4 tangent; Vector3 bitangent; Vector3 normal; } vertexData[] { {{ 1.0f, -1.0f, 0.0f}, Vector4{Vector3{1.25f, 0.0f, 0.25f}.normalized(), -1.0f}, {}, Vector3{0.25f, 0.0f, -1.25f}.normalized()}, {{ 1.0f, 1.0f, 0.0f}, Vector4{Vector3{-1.0f, 0.25f, 0.0f}.normalized(), -1.0f}, {}, Vector3{-0.25f, -1.0f, 0.0f}.normalized()}, {{-1.0f, -1.0f, 0.0f}, {1.0f, 0.0f, 0.0f, -1.0f}, {}, {0.0f, 0.0f, 1.0f}}, {{-1.0f, 1.0f, 0.0f}, Vector4{Vector3{0.75f, 0.0f, -0.25f}.normalized(), 1.0f}, {}, Vector3{0.25f, 0.0f, 0.75f}.normalized()} }; /* Calculate bitangents from normal+tangent */ for(Vertex& i: vertexData) i.bitangent = Math::cross(i.normal, i.tangent.xyz())*i.tangent.w(); /* Verify the TBN is orthogonal */ for(Vertex& i: vertexData) { CORRADE_ITERATION(i.position); CORRADE_VERIFY(i.tangent.xyz().isNormalized()); CORRADE_VERIFY(i.bitangent.isNormalized()); CORRADE_VERIFY(i.normal.isNormalized()); CORRADE_COMPARE(dot(i.normal, i.tangent.xyz()), 0.0f); CORRADE_COMPARE(dot(i.normal, i.bitangent), 0.0f); CORRADE_COMPARE(dot(i.tangent.xyz(), i.bitangent), 0.0f); } /* Apply scale to all */ for(Vertex& i: vertexData) { i.tangent *= data.multiply; i.bitangent *= data.multiply; i.normal *= data.multiply; } GL::Buffer vertices{vertexData}; GL::Mesh mesh{MeshPrimitive::TriangleStrip}; mesh.setCount(4) .addVertexBuffer(vertices, 0, Shaders::MeshVisualizer3D::Position{}, sizeof(Vector4), /* conditionally added below */ sizeof(Vector3), /* conditionally added below */ Shaders::MeshVisualizer3D::Normal{}); if(data.flags & MeshVisualizer3D::Flag::BitangentFromTangentDirection && !data.skipBitagnentEvenIfEnabledInFlags) mesh.addVertexBuffer(vertices, 0, sizeof(Vector3), Shaders::MeshVisualizer3D::Tangent4{}, sizeof(Vector3), sizeof(Vector3)); else if(data.flags & MeshVisualizer3D::Flag::TangentDirection) mesh.addVertexBuffer(vertices, 0, sizeof(Vector3), Shaders::MeshVisualizer3D::Tangent{}, sizeof(Float), sizeof(Vector3), sizeof(Vector3)); if(data.flags & MeshVisualizer3D::Flag::BitangentDirection && !data.skipBitagnentEvenIfEnabledInFlags) mesh.addVertexBuffer(vertices, 0, sizeof(Vector3), sizeof(Vector4), Shaders::MeshVisualizer3D::Bitangent{}, sizeof(Vector3)); Matrix4 transformation = Matrix4::translation({0.0f, 0.5f, -3.5f})* Matrix4::rotationX(-60.0_degf)* Matrix4::scaling(Vector3::yScale(1.5f)); if(data.secondPassFlags) { MeshVisualizer3D{data.secondPassFlags} /** @todo make this unnecessary */ .setViewportSize({80, 80}) .setTransformationMatrix(transformation) .setProjectionMatrix(Matrix4::perspectiveProjection(60.0_degf, 1.0f, 0.1f, 10.0f)) .setColor(0xffff99_rgbf) .setWireframeColor(0x9999ff_rgbf) .draw(mesh); } MeshVisualizer3D shader{data.flags}; shader /** @todo make this unnecessary */ .setViewportSize({80, 80}) .setTransformationMatrix(transformation) .setProjectionMatrix(Matrix4::perspectiveProjection(60.0_degf, 1.0f, 0.1f, 10.0f)) .setNormalMatrix(transformation.normalMatrix()*data.multiply) .setSmoothness(data.smoothness) .setLineLength(data.lineLength) .setLineWidth(data.lineWidth); if(data.flags & MeshVisualizer3D::Flag::Wireframe) shader .setColor(0xffff99_rgbf) .setWireframeColor(0x9999ff_rgbf); if(data.flags & MeshVisualizer3D::Flag::PrimitiveId) shader .bindColorMapTexture(_colorMapTexture) .setColorMapTransformation(1.0f/512.0f, 0.5f); shader.draw(mesh); MAGNUM_VERIFY_NO_GL_ERROR(); if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || !(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); /* Slight rasterization differences on AMD. If GL_NV_shader_noperspective_interpolation is not supported, the artifacts are bigger. */ Float maxThreshold = 1.334f, meanThreshold = 0.018f; #ifdef MAGNUM_TARGET_GLES if(!GL::Context::current().isExtensionSupported()) { maxThreshold = 39.0f; meanThreshold = 1.207f; } #endif CORRADE_COMPARE_WITH( /* Dropping the alpha channel, as it's always 1.0 */ Containers::arrayCast(_framebuffer.read(_framebuffer.viewport(), {PixelFormat::RGBA8Unorm}).pixels()), Utility::Directory::join({_testDir, "MeshVisualizerTestFiles", data.file}), (DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); } #endif }}}} CORRADE_TEST_MAIN(Magnum::Shaders::Test::MeshVisualizerGLTest)