/* This file is part of Magnum. Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 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 "Magnum/Image.h" #include "Magnum/Mesh.h" #include "Magnum/GL/AbstractShaderProgram.h" #include "Magnum/GL/Buffer.h" #include "Magnum/GL/Context.h" #include "Magnum/GL/Extensions.h" #include "Magnum/GL/Framebuffer.h" #include "Magnum/GL/Mesh.h" #include "Magnum/GL/MeshView.h" #include "Magnum/GL/OpenGLTester.h" #include "Magnum/GL/PixelFormat.h" #include "Magnum/GL/Renderbuffer.h" #include "Magnum/GL/RenderbufferFormat.h" #include "Magnum/GL/Shader.h" #include "Magnum/Math/Color.h" #include "Magnum/Math/Half.h" #include "Magnum/Math/Matrix.h" #include "Magnum/Math/Vector4.h" namespace Magnum { namespace GL { namespace Test { /* Tests also the MeshView class. */ struct MeshGLTest: OpenGLTester { explicit MeshGLTest(); void construct(); void constructCopy(); void constructMove(); void wrap(); template void primitive(); #ifndef MAGNUM_TARGET_WEBGL void label(); #endif #ifndef MAGNUM_TARGET_GLES2 void addVertexBufferUnsignedInt(); void addVertexBufferInt(); #endif void addVertexBufferFloat(); #ifndef MAGNUM_TARGET_GLES void addVertexBufferDouble(); #endif #ifndef MAGNUM_TARGET_GLES2 void addVertexBufferVectorNui(); void addVertexBufferVectorNi(); #endif void addVertexBufferVectorN(); #ifndef MAGNUM_TARGET_GLES void addVertexBufferVectorNd(); #endif void addVertexBufferMatrixNxN(); #ifndef MAGNUM_TARGET_GLES void addVertexBufferMatrixNxNd(); #endif #ifndef MAGNUM_TARGET_GLES2 void addVertexBufferMatrixMxN(); #endif #ifndef MAGNUM_TARGET_GLES void addVertexBufferMatrixMxNd(); #endif #ifndef MAGNUM_TARGET_GLES2 void addVertexBufferUnsignedIntWithUnsignedShort(); void addVertexBufferUnsignedIntWithShort(); void addVertexBufferIntWithUnsignedShort(); void addVertexBufferIntWithShort(); #endif #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) /* Other Float types omitted (covered by addVertexBufferNormalized()) */ void addVertexBufferFloatWithHalfFloat(); #endif #ifndef MAGNUM_TARGET_GLES void addVertexBufferFloatWithDouble(); void addVertexBufferVector3WithUnsignedInt10f11f11fRev(); #endif #ifndef MAGNUM_TARGET_GLES2 void addVertexBufferVector4WithUnsignedInt2101010Rev(); void addVertexBufferVector4WithInt2101010Rev(); #endif void addVertexBufferLessVectorComponents(); void addVertexBufferNormalized(); #ifndef MAGNUM_TARGET_GLES void addVertexBufferBGRA(); #endif void addVertexBufferMultiple(); void addVertexBufferMultipleGaps(); template void setIndexBuffer(); template void setIndexBufferRange(); void setIndexBufferUnsignedInt(); void unbindVAOWhenSettingIndexBufferData(); void unbindVAOBeforeEnteringExternalSection(); #ifndef MAGNUM_TARGET_GLES void setBaseVertex(); #endif void setInstanceCount(); void setInstanceCountIndexed(); #ifndef MAGNUM_TARGET_GLES void setInstanceCountBaseInstance(); void setInstanceCountBaseInstanceIndexed(); void setInstanceCountBaseVertex(); void setInstanceCountBaseVertexBaseInstance(); #endif void addVertexBufferInstancedFloat(); #ifndef MAGNUM_TARGET_GLES2 void addVertexBufferInstancedInteger(); #endif #ifndef MAGNUM_TARGET_GLES void addVertexBufferInstancedDouble(); #endif void multiDraw(); void multiDrawIndexed(); #ifndef MAGNUM_TARGET_GLES void multiDrawBaseVertex(); #endif }; MeshGLTest::MeshGLTest() { addTests({&MeshGLTest::construct, &MeshGLTest::constructCopy, &MeshGLTest::constructMove, &MeshGLTest::wrap, &MeshGLTest::primitive, &MeshGLTest::primitive, #ifndef MAGNUM_TARGET_WEBGL &MeshGLTest::label #endif }); /* First instance is always using Attribute, second DynamicAttribute */ addInstancedTests({ #ifndef MAGNUM_TARGET_GLES2 &MeshGLTest::addVertexBufferUnsignedInt, &MeshGLTest::addVertexBufferInt, #endif &MeshGLTest::addVertexBufferFloat, #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferDouble, #endif #ifndef MAGNUM_TARGET_GLES2 &MeshGLTest::addVertexBufferVectorNui, &MeshGLTest::addVertexBufferVectorNi, #endif &MeshGLTest::addVertexBufferVectorN, #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferVectorNd, #endif &MeshGLTest::addVertexBufferMatrixNxN, #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferMatrixNxNd, #endif #ifndef MAGNUM_TARGET_GLES2 &MeshGLTest::addVertexBufferMatrixMxN, #endif #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferMatrixMxNd, #endif #ifndef MAGNUM_TARGET_GLES2 &MeshGLTest::addVertexBufferUnsignedIntWithUnsignedShort, &MeshGLTest::addVertexBufferUnsignedIntWithShort, &MeshGLTest::addVertexBufferIntWithUnsignedShort, &MeshGLTest::addVertexBufferIntWithShort, #endif #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) &MeshGLTest::addVertexBufferFloatWithHalfFloat, #endif #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferFloatWithDouble, &MeshGLTest::addVertexBufferVector3WithUnsignedInt10f11f11fRev, #endif #ifndef MAGNUM_TARGET_GLES2 &MeshGLTest::addVertexBufferVector4WithUnsignedInt2101010Rev, &MeshGLTest::addVertexBufferVector4WithInt2101010Rev, #endif &MeshGLTest::addVertexBufferLessVectorComponents, &MeshGLTest::addVertexBufferNormalized, #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferBGRA #endif }, 2); addTests({&MeshGLTest::addVertexBufferMultiple, &MeshGLTest::addVertexBufferMultipleGaps, &MeshGLTest::setIndexBuffer, &MeshGLTest::setIndexBuffer, &MeshGLTest::setIndexBufferRange, &MeshGLTest::setIndexBufferRange, &MeshGLTest::setIndexBufferUnsignedInt, &MeshGLTest::unbindVAOWhenSettingIndexBufferData, &MeshGLTest::unbindVAOBeforeEnteringExternalSection, #ifndef MAGNUM_TARGET_GLES &MeshGLTest::setBaseVertex, #endif #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) &MeshGLTest::setInstanceCount, &MeshGLTest::setInstanceCountIndexed, #endif #ifndef MAGNUM_TARGET_GLES &MeshGLTest::setInstanceCountBaseInstance, &MeshGLTest::setInstanceCountBaseInstanceIndexed, &MeshGLTest::setInstanceCountBaseVertex, &MeshGLTest::setInstanceCountBaseVertexBaseInstance, #endif #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) &MeshGLTest::addVertexBufferInstancedFloat, #endif #ifndef MAGNUM_TARGET_GLES2 &MeshGLTest::addVertexBufferInstancedInteger, #endif #ifndef MAGNUM_TARGET_GLES &MeshGLTest::addVertexBufferInstancedDouble, #endif &MeshGLTest::multiDraw, &MeshGLTest::multiDrawIndexed, #ifndef MAGNUM_TARGET_GLES &MeshGLTest::multiDrawBaseVertex #endif }); } void MeshGLTest::construct() { { const Mesh mesh; MAGNUM_VERIFY_NO_GL_ERROR(); #ifndef MAGNUM_TARGET_GLES if(Context::current().isExtensionSupported()) #elif defined(MAGNUM_TARGET_GLES2) if(Context::current().isExtensionSupported()) #endif { CORRADE_VERIFY(mesh.id() > 0); } } MAGNUM_VERIFY_NO_GL_ERROR(); } void MeshGLTest::constructCopy() { CORRADE_VERIFY(!(std::is_constructible{})); CORRADE_VERIFY(!(std::is_assignable{})); } void MeshGLTest::constructMove() { Mesh a; const Int id = a.id(); MAGNUM_VERIFY_NO_GL_ERROR(); #ifndef MAGNUM_TARGET_GLES if(Context::current().isExtensionSupported()) #elif defined(MAGNUM_TARGET_GLES2) if(Context::current().isExtensionSupported()) #endif { CORRADE_VERIFY(id > 0); } Mesh b(std::move(a)); CORRADE_COMPARE(a.id(), 0); CORRADE_COMPARE(b.id(), id); Mesh c; const Int cId = c.id(); c = std::move(b); MAGNUM_VERIFY_NO_GL_ERROR(); #ifndef MAGNUM_TARGET_GLES if(Context::current().isExtensionSupported()) #elif defined(MAGNUM_TARGET_GLES2) if(Context::current().isExtensionSupported()) #endif { CORRADE_VERIFY(cId > 0); } CORRADE_COMPARE(b.id(), cId); CORRADE_COMPARE(c.id(), id); } void MeshGLTest::wrap() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_array_object::string() + std::string{" is not supported."}); #elif defined(MAGNUM_TARGET_GLES2) if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::OES::vertex_array_object::string() + std::string{" is not supported."}); #endif GLuint id; #ifndef MAGNUM_TARGET_GLES2 glGenVertexArrays(1, &id); #else glGenVertexArraysOES(1, &id); #endif /* Releasing won't delete anything */ { auto mesh = Mesh::wrap(id, ObjectFlag::DeleteOnDestruction); CORRADE_COMPARE(mesh.release(), id); } /* ...so we can wrap it again */ Mesh::wrap(id); #ifndef MAGNUM_TARGET_GLES2 glDeleteVertexArrays(1, &id); #else glDeleteVertexArraysOES(1, &id); #endif } template void MeshGLTest::primitive() { setTestCaseName(std::is_same::value ? "setPrimitive" : "setPrimitive"); { Mesh mesh{T::LineLoop}; CORRADE_COMPARE(mesh.primitive(), MeshPrimitive::LineLoop); } { Mesh mesh; mesh.setPrimitive(T::TriangleFan); CORRADE_COMPARE(mesh.primitive(), MeshPrimitive::TriangleFan); } } #ifndef MAGNUM_TARGET_WEBGL void MeshGLTest::label() { /* No-Op version is tested in AbstractObjectGLTest */ if(!Context::current().isExtensionSupported() && !Context::current().isExtensionSupported()) CORRADE_SKIP("Required extension is not available"); Mesh mesh; CORRADE_COMPARE(mesh.label(), ""); MAGNUM_VERIFY_NO_GL_ERROR(); mesh.setLabel("MyMesh"); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(mesh.label(), "MyMesh"); } #endif namespace { struct FloatShader: AbstractShaderProgram { explicit FloatShader(const std::string& type, const std::string& conversion); }; #ifndef MAGNUM_TARGET_GLES2 struct IntegerShader: AbstractShaderProgram { explicit IntegerShader(const std::string& type); }; #endif #ifndef MAGNUM_TARGET_GLES struct DoubleShader: AbstractShaderProgram { explicit DoubleShader(const std::string& type, const std::string& outputType, const std::string& conversion); }; #endif struct Checker { Checker(AbstractShaderProgram&& shader, RenderbufferFormat format, Mesh& mesh); template T get(PixelFormat format, PixelType type); Renderbuffer renderbuffer; Framebuffer framebuffer; }; } #ifndef DOXYGEN_GENERATING_OUTPUT FloatShader::FloatShader(const std::string& type, const std::string& conversion) { /* We need special version for ES3, because GLSL in ES2 doesn't support rectangle matrices */ #ifndef MAGNUM_TARGET_GLES Shader vert( #ifndef CORRADE_TARGET_APPLE Version::GL210 #else Version::GL310 #endif , Shader::Type::Vertex); Shader frag( #ifndef CORRADE_TARGET_APPLE Version::GL210 #else Version::GL310 #endif , Shader::Type::Fragment); #elif defined(MAGNUM_TARGET_GLES2) Shader vert(Version::GLES200, Shader::Type::Vertex); Shader frag(Version::GLES200, Shader::Type::Fragment); #else Shader vert(Version::GLES300, Shader::Type::Vertex); Shader frag(Version::GLES300, Shader::Type::Fragment); #endif vert.addSource( "#if !defined(GL_ES) && __VERSION__ == 120\n" "#define mediump\n" "#endif\n" "#if defined(GL_ES) || __VERSION__ == 120\n" "#define in attribute\n" "#define out varying\n" "#endif\n" "in mediump " + type + " value;\n" "out mediump " + type + " valueInterpolated;\n" "void main() {\n" " valueInterpolated = value;\n" " gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n" "}\n"); frag.addSource( "#if !defined(GL_ES) && __VERSION__ == 120\n" "#define mediump\n" "#endif\n" "#if defined(GL_ES) || __VERSION__ == 120\n" "#define in varying\n" "#define result gl_FragColor\n" "#endif\n" "in mediump " + type + " valueInterpolated;\n" "#if !defined(GL_ES) && __VERSION__ >= 130\n" "out mediump vec4 result;\n" "#endif\n" "void main() { result = " + conversion + "; }\n"); CORRADE_INTERNAL_ASSERT_OUTPUT(Shader::compile({vert, frag})); attachShaders({vert, frag}); bindAttributeLocation(0, "value"); CORRADE_INTERNAL_ASSERT_OUTPUT(link()); } #ifndef MAGNUM_TARGET_GLES2 IntegerShader::IntegerShader(const std::string& type) { #ifndef MAGNUM_TARGET_GLES Shader vert( #ifndef CORRADE_TARGET_APPLE Version::GL300 #else Version::GL310 #endif , Shader::Type::Vertex); Shader frag( #ifndef CORRADE_TARGET_APPLE Version::GL300 #else Version::GL310 #endif , Shader::Type::Fragment); #else Shader vert(Version::GLES300, Shader::Type::Vertex); Shader frag(Version::GLES300, Shader::Type::Fragment); #endif vert.addSource("in mediump " + type + " value;\n" "flat out mediump " + type + " valueInterpolated;\n" "void main() {\n" " valueInterpolated = value;\n" " gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n" "}\n"); frag.addSource("flat in mediump " + type + " valueInterpolated;\n" "out mediump " + type + " result;\n" "void main() { result = valueInterpolated; }\n"); CORRADE_INTERNAL_ASSERT_OUTPUT(Shader::compile({vert, frag})); attachShaders({vert, frag}); bindAttributeLocation(0, "value"); CORRADE_INTERNAL_ASSERT_OUTPUT(link()); } #endif #ifndef MAGNUM_TARGET_GLES DoubleShader::DoubleShader(const std::string& type, const std::string& outputType, const std::string& conversion) { constexpr const Version version = #ifndef CORRADE_TARGET_APPLE Version::GL300; #else Version::GL400; #endif Shader vert{version, Shader::Type::Vertex}; Shader frag(version, Shader::Type::Fragment); vert.addSource( "#extension GL_ARB_vertex_attrib_64bit: require\n" "#extension GL_ARB_gpu_shader_fp64: require\n" "in " + type + " value;\n" "out " + outputType + " valueInterpolated;\n" "void main() {\n" " valueInterpolated = " + conversion + ";\n" " gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n" "}\n"); frag.addSource("in " + outputType + " valueInterpolated;\n" "out " + outputType + " result;\n" "void main() { result = valueInterpolated; }\n"); CORRADE_INTERNAL_ASSERT_OUTPUT(Shader::compile({vert, frag})); attachShaders({vert, frag}); bindAttributeLocation(0, "value"); CORRADE_INTERNAL_ASSERT_OUTPUT(link()); } #endif Checker::Checker(AbstractShaderProgram&& shader, RenderbufferFormat format, Mesh& mesh): framebuffer({{}, Vector2i(1)}) { renderbuffer.setStorage(format, Vector2i(1)); framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), renderbuffer); framebuffer.bind(); mesh.setPrimitive(MeshPrimitive::Points) .setCount(2); /* Skip first vertex so we test also offsets */ MeshView view{mesh}; view.setCount(1) .setBaseVertex(mesh.baseVertex()) .setInstanceCount(mesh.instanceCount()) #ifndef MAGNUM_TARGET_GLES .setBaseInstance(mesh.baseInstance()) #endif ; if(view.mesh().isIndexed()) view.setIndexRange(1); view.draw(shader); } template T Checker::get(PixelFormat format, PixelType type) { return framebuffer.read({{}, Vector2i{1}}, {format, type}).data()[0]; } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshGLTest::addVertexBufferUnsignedInt() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr UnsignedInt data[] = { 0, 157, 35681 }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4, Attribute<0, UnsignedInt>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::UnsignedInt}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("uint"), RenderbufferFormat::R32UI, mesh) .get(PixelFormat::RedInteger, PixelType::UnsignedInt); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 35681); } void MeshGLTest::addVertexBufferInt() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr Int data[] = { 0, 457931, 27530 }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4, Attribute<0, Int>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::Int}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("int"), RenderbufferFormat::R32I, mesh) .get(PixelFormat::RedInteger, PixelType::Int); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 27530); } #endif void MeshGLTest::addVertexBufferFloat() { const Float data[] = { 0.0f, -0.7f, Math::unpack(96) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4, Attribute<0, Float>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::Float}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 96); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferDouble() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_attrib_64bit::string() + std::string(" is not available.")); const Double data[] = { 0.0, -0.7, Math::unpack(45828) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 8, Attribute<0, Double>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 8, 8, DynamicAttribute{ DynamicAttribute::Kind::Long, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::Double}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(DoubleShader("double", "float", "float(value)"), RenderbufferFormat::R16, mesh).get(PixelFormat::Red, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 45828); } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshGLTest::addVertexBufferVectorNui() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr Vector3ui data[] = { {}, {37448, 547686, 156}, {27592, 157, 25} }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*4, Attribute<0, Vector3ui>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*4, 3*4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::UnsignedInt}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("uvec3"), RenderbufferFormat::RGBA32UI, mesh) .get(PixelFormat::RGBAInteger, PixelType::UnsignedInt); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Vector3ui(27592, 157, 25)); } void MeshGLTest::addVertexBufferVectorNi() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr Vector2i data[] = { {}, {-37448, 547686}, {27592, -157} }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 2*4, Attribute<0, Vector2i>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 2*4, 2*4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::Two, DynamicAttribute::DataType::Int}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("ivec2"), RenderbufferFormat::RG32I, mesh) .get(PixelFormat::RGInteger, PixelType::Int); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Vector2i(27592, -157)); } #endif void MeshGLTest::addVertexBufferVectorN() { const Vector3 data[] = { {}, {0.0f, -0.9f, 1.0f}, Math::unpack(Color3ub(96, 24, 156)) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*4, Attribute<0, Vector3>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*4, 3*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Float}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("vec3", "vec4(valueInterpolated, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color3ub(96, 24, 156)); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferVectorNd() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_attrib_64bit::string() + std::string(" is not available.")); const Vector4d data[] = { {}, {0.0, -0.9, 1.0, 1.25}, Math::unpack(Math::Vector4(315, 65201, 2576, 12)) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4*8, Attribute<0, Vector4d>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4*8, 4*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 0, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Double}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(DoubleShader("dvec4", "vec4", "vec4(value)"), RenderbufferFormat::RGBA16, mesh).get>(PixelFormat::RGBA, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Math::Vector4(315, 65201, 2576, 12)); } #endif void MeshGLTest::addVertexBufferMatrixNxN() { const Matrix3x3 data[] = { {}, Matrix3x3::fromDiagonal({0.0f, -0.9f, 1.0f}), Matrix3x3::fromDiagonal(Math::unpack(Color3ub(96, 24, 156))) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*3*4, Attribute<0, Matrix3x3>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*3*4, 3*3*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Float}) .addVertexBuffer(buffer, 3*3*4 + 3*4, 3*3*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 1, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Float}) .addVertexBuffer(buffer, 3*3*4 + 6*4, 3*3*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 2, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Float}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("mat3", "vec4(valueInterpolated[0][0], valueInterpolated[1][1], valueInterpolated[2][2], 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color3ub(96, 24, 156)); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferMatrixNxNd() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_attrib_64bit::string() + std::string(" is not available.")); const Matrix3x3d data[] = { {}, Matrix3x3d::fromDiagonal({0.0, -0.9, 1.0}), Matrix3x3d::fromDiagonal(Math::unpack(Math::Vector3(315, 65201, 2576))) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*3*8, Attribute<0, Matrix3x3d>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*3*8, 3*3*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Double}) .addVertexBuffer(buffer, 3*3*8 + 3*8, 3*3*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 1, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Double}) .addVertexBuffer(buffer, 3*3*8 + 6*8, 3*3*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 2, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Double}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(DoubleShader("dmat3", "vec4", "vec4(value[0][0], value[1][1], value[2][2], 0.0)"), RenderbufferFormat::RGBA16, mesh).get>(PixelFormat::RGB, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); { CORRADE_EXPECT_FAIL_IF(Context::current().detectedDriver() & (Context::DetectedDriver::Amd|Context::DetectedDriver::NVidia), "Somehow only first two values are extracted"); CORRADE_COMPARE(value, Math::Vector3(315, 65201, 2576)); } /* This is wrong, but check if it's still the right wrong. Fails on AMD 15.201.1151 but seems to be fixed in 15.300.1025.0 */ if(Context::current().detectedDriver() & (Context::DetectedDriver::Amd|Context::DetectedDriver::NVidia)) CORRADE_COMPARE(value, Math::Vector3(315, 65201, 0)); } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshGLTest::addVertexBufferMatrixMxN() { const Matrix3x4 data[] = { {}, Matrix3x4::fromDiagonal({0.0f, -0.9f, 1.0f}), Matrix3x4::fromDiagonal(Math::unpack(Color3ub(96, 24, 156))) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*4*4, Attribute<0, Matrix3x4>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*4*4, 3*4*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Float}) .addVertexBuffer(buffer, 3*4*4 + 4*4, 3*4*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 1, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Float}) .addVertexBuffer(buffer, 3*4*4 + 8*4, 3*4*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 2, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Float}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("mat3x4", "vec4(valueInterpolated[0][0], valueInterpolated[1][1], valueInterpolated[2][2], 0.0)"), RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color3ub(96, 24, 156)); } #endif #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferMatrixMxNd() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_attrib_64bit::string() + std::string(" is not available.")); const Matrix3x4d data[] = { {}, Matrix3x4d::fromDiagonal({0.0f, -0.9f, 1.0f}), Matrix3x4d::fromDiagonal(Math::unpack(Math::Vector3(315, 65201, 2576))) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*4*8, Attribute<0, Matrix3x4d>{}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*4*8, 3*4*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 0, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Double}) .addVertexBuffer(buffer, 3*4*8 + 4*8, 3*4*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 1, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Double}) .addVertexBuffer(buffer, 3*4*8 + 8*8, 3*4*8, DynamicAttribute{ DynamicAttribute::Kind::Long, 2, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Double}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(DoubleShader("dmat3x4", "vec4", "vec4(value[0][0], value[1][1], value[2][2], 0.0)"), RenderbufferFormat::RGBA16, mesh).get>(PixelFormat::RGB, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); { CORRADE_EXPECT_FAIL_IF(Context::current().detectedDriver() & (Context::DetectedDriver::Amd|Context::DetectedDriver::NVidia), "Somehow only first two values are extracted"); CORRADE_COMPARE(value, Math::Vector3(315, 65201, 2576)); } /* This is wrong, but check if it's still the right wrong. Fails on AMD 15.201.1151 but seems to be fixed in 15.300.1025.0 */ if(Context::current().detectedDriver() & (Context::DetectedDriver::Amd|Context::DetectedDriver::NVidia)) CORRADE_COMPARE(value, Math::Vector3(315, 65201, 0)); } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshGLTest::addVertexBufferUnsignedIntWithUnsignedShort() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr UnsignedShort data[] = { 0, 49563, 2128, 3821, 16583 }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 2, 2, Attribute<0, UnsignedInt>{Attribute<0, UnsignedInt>::DataType::UnsignedShort}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::UnsignedShort}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("uint"), RenderbufferFormat::R16UI, mesh) .get(PixelFormat::RedInteger, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 16583); } void MeshGLTest::addVertexBufferUnsignedIntWithShort() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr Short data[] = { 0, 24563, 2128, 3821, 16583 }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 2, 2, Attribute<0, UnsignedInt>{Attribute<0, UnsignedInt>::DataType::Short}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::Short}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("uint"), RenderbufferFormat::R16I, mesh) .get(PixelFormat::RedInteger, PixelType::Short); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 16583); } void MeshGLTest::addVertexBufferIntWithUnsignedShort() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr UnsignedShort data[] = { 0, 49563, 2128, 3821, 16583 }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 2, 2, Attribute<0, Int>{Attribute<0, Int>::DataType::UnsignedShort}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::UnsignedShort}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("int"), RenderbufferFormat::R16UI, mesh) .get(PixelFormat::RedInteger, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 16583); } void MeshGLTest::addVertexBufferIntWithShort() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif constexpr Short data[] = { 0, 24563, 2128, 3821, -16583 }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 2, 2, Attribute<0, Int>{Attribute<0, Int>::DataType::Short}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Integral, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::Short}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("int"), RenderbufferFormat::R16I, mesh) .get(PixelFormat::RedInteger, PixelType::Short); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, -16583); } #endif #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) void MeshGLTest::addVertexBufferFloatWithHalfFloat() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::half_float_vertex::string() + std::string(" is not supported.")); #elif defined(MAGNUM_TARGET_GLES2) if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::OES::vertex_half_float::string() + std::string(" is not supported.")); #endif using namespace Math::Literals; const Half data[] = { 0.0_h, -0.7_h, Half(Math::unpack(186)) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 2, Attribute<0, Float>{Attribute<0, Float>::DataType::HalfFloat}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 2, 2, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::HalfFloat}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 186); } #endif #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferFloatWithDouble() { const Double data[] = { 0.0, -0.7, Math::unpack(186) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1) .addVertexBuffer(buffer, 8, Attribute<0, Float>(Attribute<0, Float>::DataType::Double)); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 8, Attribute<0, Float>{Attribute<0, Float>::DataType::Double}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 8, 8, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::One, DynamicAttribute::DataType::Double}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 186); } void MeshGLTest::addVertexBufferVector3WithUnsignedInt10f11f11fRev() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_type_10f_11f_11f_rev::string() + std::string(" is not available.")); #endif Buffer buffer; buffer.setData({nullptr, 12}, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4, Attribute<0, Vector3>{Attribute<0, Vector3>::DataType::UnsignedInt10f11f11fRev}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::UnsignedInt10f11f11fRev}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); /* Won't test the actual values */ } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshGLTest::addVertexBufferVector4WithUnsignedInt2101010Rev() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_type_2_10_10_10_rev::string() + std::string(" is not available.")); #endif Buffer buffer; buffer.setData({nullptr, 12}, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4, Attribute<0, Vector4>{Attribute<0, Vector4>::DataType::UnsignedInt2101010Rev}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Four, DynamicAttribute::DataType::UnsignedInt2101010Rev}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); /* Won't test the actual values */ } void MeshGLTest::addVertexBufferVector4WithInt2101010Rev() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_type_2_10_10_10_rev::string() + std::string(" is not available.")); #endif Buffer buffer; buffer.setData({nullptr, 12}, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 4, Attribute<0, Vector4>{Attribute<0, Vector4>::DataType::Int2101010Rev}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Four, DynamicAttribute::DataType::Int2101010Rev}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); /* Won't test the actual values */ } #endif void MeshGLTest::addVertexBufferLessVectorComponents() { const Vector3 data[] = { {}, {0.0f, -0.9f, 1.0f}, Math::unpack(Color3ub(96, 24, 156)) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); mesh.addVertexBuffer(buffer, 3*4, Attribute<0, Vector4>{Attribute<0, Vector4>::Components::Three}); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 3*4, 3*4, DynamicAttribute{ DynamicAttribute::Kind::Generic, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::Float}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("vec4", "valueInterpolated"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color4ub(96, 24, 156, 255)); } void MeshGLTest::addVertexBufferNormalized() { constexpr Color4ub data[] = { {}, {0, 128, 64}, {32, 156, 228} }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); typedef Attribute<0, Vector3> Attribute; mesh.addVertexBuffer(buffer, 4, Attribute(Attribute::DataType::UnsignedByte, Attribute::DataOption::Normalized), 1); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::GenericNormalized, 0, DynamicAttribute::Components::Three, DynamicAttribute::DataType::UnsignedByte}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("vec3", "vec4(valueInterpolated, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color3ub(32, 156, 228)); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferBGRA() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_array_bgra::string() + std::string(" is not available.")); #endif constexpr Color4ub data[] = { {}, {0, 128, 64, 161}, {96, 24, 156, 225} }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1); if(testCaseInstanceId() == 0) { setTestCaseDescription("Attribute"); typedef Attribute<0, Vector4> Attribute; mesh.addVertexBuffer(buffer, 4, Attribute(Attribute::Components::BGRA, Attribute::DataType::UnsignedByte, Attribute::DataOption::Normalized)); } else if(testCaseInstanceId() == 1) { setTestCaseDescription("DynamicAttribute"); mesh.addVertexBuffer(buffer, 4, 4, DynamicAttribute{ DynamicAttribute::Kind::GenericNormalized, 0, DynamicAttribute::Components::BGRA, DynamicAttribute::DataType::UnsignedByte}); } else CORRADE_ASSERT_UNREACHABLE(); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("vec4", "valueInterpolated"), RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color4ub(156, 24, 96, 225)); } #endif namespace { struct MultipleShader: AbstractShaderProgram { typedef Attribute<0, Vector3> Position; typedef Attribute<1, Vector3> Normal; typedef Attribute<2, Vector2> TextureCoordinates; explicit MultipleShader(); }; } #ifndef DOXYGEN_GENERATING_OUTPUT MultipleShader::MultipleShader() { #ifndef MAGNUM_TARGET_GLES Shader vert( #ifndef CORRADE_TARGET_APPLE Version::GL210 #else Version::GL310 #endif , Shader::Type::Vertex); Shader frag( #ifndef CORRADE_TARGET_APPLE Version::GL210 #else Version::GL310 #endif , Shader::Type::Fragment); #else Shader vert(Version::GLES200, Shader::Type::Vertex); Shader frag(Version::GLES200, Shader::Type::Fragment); #endif vert.addSource( "#if !defined(GL_ES) && __VERSION__ == 120\n" "#define mediump\n" "#endif\n" "#if defined(GL_ES) || __VERSION__ == 120\n" "#define in attribute\n" "#define out varying\n" "#endif\n" "in mediump vec4 position;\n" "in mediump vec3 normal;\n" "in mediump vec2 textureCoordinates;\n" "out mediump vec4 valueInterpolated;\n" "void main() {\n" " valueInterpolated = position + vec4(normal, 0.0) + vec4(textureCoordinates, 0.0, 0.0);\n" " gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n" "}\n"); frag.addSource( "#if !defined(GL_ES) && __VERSION__ == 120\n" "#define mediump\n" "#endif\n" "#if defined(GL_ES) || __VERSION__ == 120\n" "#define in varying\n" "#define result gl_FragColor\n" "#endif\n" "in mediump vec4 valueInterpolated;\n" "#if !defined(GL_ES) && __VERSION__ >= 130\n" "out mediump vec4 result;\n" "#endif\n" "void main() { result = valueInterpolated; }\n"); CORRADE_INTERNAL_ASSERT_OUTPUT(Shader::compile({vert, frag})); attachShaders({vert, frag}); bindAttributeLocation(Position::Location, "position"); bindAttributeLocation(Normal::Location, "normal"); bindAttributeLocation(TextureCoordinates::Location, "textureCoordinates"); CORRADE_INTERNAL_ASSERT_OUTPUT(link()); } #endif void MeshGLTest::addVertexBufferMultiple() { const Float data[] = { 0.0f, /* Offset */ /* First attribute */ 0.3f, 0.1f, 0.5f, 0.4f, 0.0f, -0.9f, 1.0f, -0.5f, /* Second attribute */ Math::unpack(64), Math::unpack(17), Math::unpack(56), Math::unpack(15), Math::unpack(164), Math::unpack(17), Math::unpack(97), Math::unpack(28) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1) .addVertexBuffer(buffer, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader(), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color4ub(64 + 15 + 97, 17 + 164 + 28, 56 + 17, 255)); } void MeshGLTest::addVertexBufferMultipleGaps() { const Float data[] = { 0.0f, 0.0f, 0.0f, 0.0f, /* Offset */ /* First attribute */ 0.3f, 0.1f, 0.5f, 0.0f, 0.4f, 0.0f, -0.9f, 0.0f, 1.0f, -0.5f, 0.0f, 0.0f, /* Second attribute */ Math::unpack(64), Math::unpack(17), Math::unpack(56), 0.0f, Math::unpack(15), Math::unpack(164), Math::unpack(17), 0.0f, Math::unpack(97), Math::unpack(28), 0.0f, 0.0f }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1) .addVertexBuffer(buffer, 4*4, MultipleShader::Position(), 1*4, MultipleShader::Normal(), 1*4, MultipleShader::TextureCoordinates(), 2*4); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader(), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, Color4ub(64 + 15 + 97, 17 + 164 + 28, 56 + 17, 255)); } namespace { const Float indexedVertexData[] = { 0.0f, /* Offset */ /* First vertex */ Math::unpack(64), Math::unpack(17), Math::unpack(56), Math::unpack(15), Math::unpack(164), Math::unpack(17), Math::unpack(97), Math::unpack(28), /* Second vertex */ 0.3f, 0.1f, 0.5f, 0.4f, 0.0f, -0.9f, 1.0f, -0.5f }; #ifndef MAGNUM_TARGET_GLES const Float indexedVertexDataBaseVertex[] = { 0.0f, 0.0f, /* Offset */ /* First vertex */ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, /* Second vertex */ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, /* Third vertex */ Math::unpack(64), Math::unpack(17), Math::unpack(56), Math::unpack(15), Math::unpack(164), Math::unpack(17), Math::unpack(97), Math::unpack(28), /* Fourth vertex */ 0.3f, 0.1f, 0.5f, 0.4f, 0.0f, -0.9f, 1.0f, -0.5f }; #endif constexpr Color4ub indexedResult(64 + 15 + 97, 17 + 164 + 28, 56 + 17, 255); } template void MeshGLTest::setIndexBuffer() { setTestCaseName(std::is_same::value ? "setIndexBuffer" : "setIndexBuffer"); Buffer vertices; vertices.setData(indexedVertexData, BufferUsage::StaticDraw); constexpr UnsignedByte indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(vertices, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, T::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(mesh.indexType(), MeshIndexType::UnsignedByte); CORRADE_COMPARE(mesh.indexTypeSize(), 1); const auto value = Checker(MultipleShader{}, #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } template void MeshGLTest::setIndexBufferRange() { setTestCaseName(std::is_same::value ? "setIndexBufferRange" : "setIndexBufferRange"); Buffer vertices; vertices.setData(indexedVertexData, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(vertices, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, T::UnsignedShort, 0, 1); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(mesh.indexType(), GL::MeshIndexType::UnsignedShort); CORRADE_COMPARE(mesh.indexTypeSize(), 2); const auto value = Checker(MultipleShader{}, #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } void MeshGLTest::setIndexBufferUnsignedInt() { #ifdef MAGNUM_TARGET_GLES2 if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::OES::element_index_uint::string() + std::string(" is not available.")); #endif Buffer vertices; vertices.setData(indexedVertexData, BufferUsage::StaticDraw); constexpr UnsignedInt indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(vertices, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 4, MeshIndexType::UnsignedInt); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(mesh.indexType(), GL::MeshIndexType::UnsignedInt); CORRADE_COMPARE(mesh.indexTypeSize(), 4); const auto value = Checker(MultipleShader{}, #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } void MeshGLTest::unbindVAOWhenSettingIndexBufferData() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_array_object::string() + std::string(" is not available.")); if(Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::direct_state_access::string() + std::string(" is active with circumvents the issue tested here.")); if(Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::direct_state_access::string() + std::string(" is active with circumvents the issue tested here.")); #elif defined(MAGNUM_TARGET_GLES2) if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::OES::vertex_array_object::string() + std::string(" is not available.")); #endif typedef Attribute<0, Float> Attribute; const Float data[] = { -0.7f, Math::unpack(92), Math::unpack(32) }; Buffer buffer{Buffer::TargetHint::Array}; buffer.setData(data, BufferUsage::StaticDraw); Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(std::vector{5, 0}, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(buffer, 4, Attribute{}) .setIndexBuffer(indices, 0, MeshIndexType::UnsignedByte); /* This buffer should have no effect on the mesh above */ Buffer otherIndices{Buffer::TargetHint::ElementArray}; otherIndices.setData(std::vector{100, 1}, BufferUsage::StaticDraw); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 92); } void MeshGLTest::unbindVAOBeforeEnteringExternalSection() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_array_object::string() + std::string(" is not available.")); #elif defined(MAGNUM_TARGET_GLES2) if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::OES::vertex_array_object::string() + std::string(" is not available.")); #endif typedef Attribute<0, Float> Attribute; const Float data[] = { -0.7f, Math::unpack(92), Math::unpack(32) }; Buffer buffer{Buffer::TargetHint::Array}; buffer.setData(data, BufferUsage::StaticDraw); Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(std::vector{5, 0}, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(buffer, 4, Attribute{}) .setIndexBuffer(indices, 0, MeshIndexType::UnsignedByte); { /* Comment this out to watch the world burn */ Context::current().resetState(Context::State::MeshVao); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); /* Be nice to the other tests */ Context::current().resetState(Context::State::ExitExternal); } MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 92); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::setBaseVertex() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_elements_base_vertex::string() + std::string(" is not available.")); Buffer vertices; vertices.setData(indexedVertexDataBaseVertex, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(2) .addVertexBuffer(vertices, 2*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader{}, RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } #endif void MeshGLTest::setInstanceCount() { /* Verbatim copy of addVertexBufferFloat() with added extension check and setInstanceCount() call. It would just render three times the same value. I'm too lazy to invent proper test case, so I'll just check that it didn't generate any error and rendered something */ #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); #elif defined(MAGNUM_TARGET_GLES2) #ifndef MAGNUM_TARGET_WEBGL if(!Context::current().isExtensionSupported() && !Context::current().isExtensionSupported() && !Context::current().isExtensionSupported()) CORRADE_SKIP("Required extension is not available."); #else if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ANGLE::instanced_arrays::string() + std::string(" is not available.")); #endif #endif typedef Attribute<0, Float> Attribute; const Float data[] = { 0.0f, -0.7f, Math::unpack(96) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1) .setInstanceCount(3) .addVertexBuffer(buffer, 4, Attribute()); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 96); } void MeshGLTest::setInstanceCountIndexed() { /* Verbatim copy of setIndexBuffer() with added extension check and setInstanceCount() call. It would just render three times the same value. I'm too lazy to invent proper test case, so I'll just check that it didn't generate any error and rendered something */ #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); #elif defined(MAGNUM_TARGET_GLES2) #ifndef MAGNUM_TARGET_WEBGL if(!Context::current().isExtensionSupported() && !Context::current().isExtensionSupported() && !Context::current().isExtensionSupported()) CORRADE_SKIP("Required extension is not available."); #else if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ANGLE::instanced_arrays::string() + std::string(" is not available.")); #endif #endif Buffer vertices; vertices.setData(indexedVertexData, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.setInstanceCount(3) .addVertexBuffer(vertices, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader{}, #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::setInstanceCountBaseInstance() { /* Verbatim copy of setInstanceCount() with additional extension check and setBaseInstance() call. It would just render three times the same value. I'm too lazy to invent proper test case, so I'll just check that it didn't generate any error and rendered something */ if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::base_instance::string() + std::string(" is not available.")); typedef Attribute<0, Float> Attribute; const Float data[] = { 0.0f, -0.7f, Math::unpack(96) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(1) .setInstanceCount(3) .setBaseInstance(72) .addVertexBuffer(buffer, 4, Attribute()); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 96); } void MeshGLTest::setInstanceCountBaseInstanceIndexed() { /* Verbatim copy of setInstanceCountIndexed() with additional extension check and setBaseInstance() call. It would just render three times the same value. I'm too lazy to invent proper test case, so I'll just check that it didn't generate any error and rendered something */ if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::base_instance::string() + std::string(" is not available.")); Buffer vertices; vertices.setData(indexedVertexData, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.setInstanceCount(3) .setBaseInstance(72) .addVertexBuffer(vertices, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader{}, RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } void MeshGLTest::setInstanceCountBaseVertex() { /* Verbatim copy of setBaseVertex() with additional extension check and setInstanceCount() call. It would just render three times the same value. I'm too lazy to invent proper test case, so I'll just check that it didn't generate any error and rendered something */ if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_elements_base_vertex::string() + std::string(" is not available.")); Buffer vertices; vertices.setData(indexedVertexDataBaseVertex, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(2) .setInstanceCount(3) .addVertexBuffer(vertices, 2*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader{}, RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } void MeshGLTest::setInstanceCountBaseVertexBaseInstance() { /* Verbatim copy of setInstanceCountBaseVertex() with added extension check and setBaseInstance() call. It would just render three times the same value. I'm too lazy to invent proper test case, so I'll just check that it didn't generate any error and rendered something */ if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_elements_base_vertex::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::base_instance::string() + std::string(" is not available.")); Buffer vertices; vertices.setData(indexedVertexDataBaseVertex, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(2) .setInstanceCount(3) .setBaseInstance(72) .addVertexBuffer(vertices, 2*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(MultipleShader{}, RenderbufferFormat::RGBA8, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } #endif #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) void MeshGLTest::addVertexBufferInstancedFloat() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::instanced_arrays::string() + std::string(" is not available.")); #elif defined(MAGNUM_TARGET_GLES2) #ifndef MAGNUM_TARGET_WEBGL if(!Context::current().isExtensionSupported() && !Context::current().isExtensionSupported() && !Context::current().isExtensionSupported()) CORRADE_SKIP("Required instancing extension is not available."); if(!Context::current().isExtensionSupported() && !Context::current().isExtensionSupported() && !Context::current().isExtensionSupported()) CORRADE_SKIP("Required drawing extension is not available."); #else if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ANGLE::instanced_arrays::string() + std::string(" is not available.")); #endif #endif typedef Attribute<0, Float> Attribute; const Float data[] = { 0.0f, /* Offset */ /* Base vertex is ignored for instanced arrays */ -0.7f, /* First instance */ 0.3f, /* Second instance */ Math::unpack(96) /* Third instance */ }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setInstanceCount(3) .addVertexBufferInstanced(buffer, 1, 4, Attribute{}); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 96); } #endif #ifndef MAGNUM_TARGET_GLES2 void MeshGLTest::addVertexBufferInstancedInteger() { #ifndef MAGNUM_TARGET_GLES if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::instanced_arrays::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::EXT::gpu_shader4::string() + std::string(" is not available.")); #endif typedef Attribute<0, UnsignedInt> Attribute; constexpr UnsignedInt data[] = { 0, /* Offset */ /* Base vertex is ignored for instanced arrays */ 157, /* First instance */ 25, /* Second instance */ 35681 /* Third instance */ }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setInstanceCount(3) .addVertexBufferInstanced(buffer, 1, 4, Attribute{}); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(IntegerShader("uint"), RenderbufferFormat::R32UI, mesh) .get(PixelFormat::RedInteger, PixelType::UnsignedInt); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 35681); } #endif #ifndef MAGNUM_TARGET_GLES void MeshGLTest::addVertexBufferInstancedDouble() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_instanced::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::instanced_arrays::string() + std::string(" is not available.")); if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::vertex_attrib_64bit::string() + std::string(" is not available.")); typedef Attribute<0, Double> Attribute; const Double data[] = { 0.0, /* Offset */ /* Base vertex is ignored for instanced arrays */ -0.7, /* First instance */ 0.3, /* Second instance */ Math::unpack(45828) /* Third instance */ }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.setInstanceCount(3) .addVertexBufferInstanced(buffer, 1, 8, Attribute{}); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = Checker(DoubleShader("double", "float", "float(value)"), RenderbufferFormat::R16, mesh).get(PixelFormat::Red, PixelType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 45828); } #endif namespace { struct MultiChecker { MultiChecker(AbstractShaderProgram&& shader, Mesh& mesh); template T get(PixelFormat format, PixelType type); Renderbuffer renderbuffer; Framebuffer framebuffer; }; } #ifndef DOXYGEN_GENERATING_OUTPUT MultiChecker::MultiChecker(AbstractShaderProgram&& shader, Mesh& mesh): framebuffer({{}, Vector2i(1)}) { renderbuffer.setStorage( #ifndef MAGNUM_TARGET_GLES2 RenderbufferFormat::RGBA8, #else RenderbufferFormat::RGBA4, #endif Vector2i(1)); framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), renderbuffer); framebuffer.bind(); mesh.setPrimitive(MeshPrimitive::Points) .setCount(2); /* Set zero count so we test mesh skipping */ MeshView a{mesh}; a.setCount(0); /* Skip first vertex so we test also offsets */ MeshView b{mesh}; b.setCount(1) .setBaseVertex(mesh.baseVertex()); MeshView c{mesh}; c.setCount(1); if(mesh.isIndexed()) { c.setBaseVertex(mesh.baseVertex()) .setIndexRange(1); } else c.setBaseVertex(1); MeshView::draw(shader, {a, b, c}); } template T MultiChecker::get(PixelFormat format, PixelType type) { return framebuffer.read({{}, Vector2i{1}}, {format, type}).data()[0]; } #endif void MeshGLTest::multiDraw() { #if defined(MAGNUM_TARGET_GLES) && !defined(MAGNUM_TARGET_WEBGL) if(!Context::current().isExtensionSupported()) Debug() << Extensions::EXT::multi_draw_arrays::string() << "not supported, using fallback implementation"; #endif typedef Attribute<0, Float> Attribute; const Float data[] = { 0.0f, -0.7f, Math::unpack(96) }; Buffer buffer; buffer.setData(data, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(buffer, 4, Attribute()); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = MultiChecker(FloatShader("float", "vec4(valueInterpolated, 0.0, 0.0, 0.0)"), mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, 96); } void MeshGLTest::multiDrawIndexed() { #if defined(MAGNUM_TARGET_GLES) && !defined(MAGNUM_TARGET_WEBGL) if(!Context::current().isExtensionSupported()) Debug() << Extensions::EXT::multi_draw_arrays::string() << "not supported, using fallback implementation"; #endif Buffer vertices; vertices.setData(indexedVertexData, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.addVertexBuffer(vertices, 1*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = MultiChecker(MultipleShader{}, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } #ifndef MAGNUM_TARGET_GLES void MeshGLTest::multiDrawBaseVertex() { if(!Context::current().isExtensionSupported()) CORRADE_SKIP(Extensions::ARB::draw_elements_base_vertex::string() + std::string(" is not available.")); Buffer vertices; vertices.setData(indexedVertexDataBaseVertex, BufferUsage::StaticDraw); constexpr UnsignedShort indexData[] = { 2, 1, 0 }; Buffer indices{Buffer::TargetHint::ElementArray}; indices.setData(indexData, BufferUsage::StaticDraw); Mesh mesh; mesh.setBaseVertex(2) .addVertexBuffer(vertices, 2*4, MultipleShader::Position(), MultipleShader::Normal(), MultipleShader::TextureCoordinates()) .setIndexBuffer(indices, 2, MeshIndexType::UnsignedShort); MAGNUM_VERIFY_NO_GL_ERROR(); const auto value = MultiChecker(MultipleShader{}, mesh).get(PixelFormat::RGBA, PixelType::UnsignedByte); MAGNUM_VERIFY_NO_GL_ERROR(); CORRADE_COMPARE(value, indexedResult); } #endif }}} CORRADE_TEST_MAIN(Magnum::GL::Test::MeshGLTest)