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@ -23,10 +23,29 @@
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <Corrade/Containers/StridedArrayView.h> |
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#include <Corrade/Containers/Reference.h> |
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#include <Corrade/PluginManager/Manager.h> |
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#include <Corrade/Utility/Directory.h> |
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#include "Magnum/Image.h" |
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#include "Magnum/DebugTools/CompareImage.h" |
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#include "Magnum/GL/AbstractShaderProgram.h" |
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#include "Magnum/GL/Context.h" |
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#include "Magnum/GL/Renderer.h" |
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#include "Magnum/GL/Framebuffer.h" |
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#include "Magnum/GL/Mesh.h" |
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#include "Magnum/GL/OpenGLTester.h" |
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#include "Magnum/GL/PixelFormat.h" |
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#include "Magnum/GL/Renderer.h" |
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#include "Magnum/GL/Renderbuffer.h" |
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#include "Magnum/GL/RenderbufferFormat.h" |
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#include "Magnum/GL/Shader.h" |
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#include "Magnum/GL/Version.h" |
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#include "Magnum/Math/Range.h" |
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#include "Magnum/Math/Color.h" |
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#include "Magnum/Trade/AbstractImporter.h" |
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#include "configure.h" |
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namespace Magnum { namespace GL { namespace Test { namespace { |
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@ -34,10 +53,44 @@ struct RendererGLTest: OpenGLTester {
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explicit RendererGLTest(); |
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void maxLineWidth(); |
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void pointCoord(); |
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private: |
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PluginManager::Manager<Trade::AbstractImporter> _manager{"nonexistent"}; |
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std::string _testDir; |
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GL::Renderbuffer _color{NoCreate}; |
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GL::Framebuffer _framebuffer{NoCreate}; |
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}; |
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using namespace Math::Literals; |
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RendererGLTest::RendererGLTest() { |
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addTests({&RendererGLTest::maxLineWidth}); |
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addTests({&RendererGLTest::maxLineWidth, |
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&RendererGLTest::pointCoord}); |
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/* Load the plugins directly from the build tree. Otherwise they're either
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static and already loaded or not present in the build tree */ |
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#ifdef ANYIMAGEIMPORTER_PLUGIN_FILENAME |
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CORRADE_INTERNAL_ASSERT(_manager.load(ANYIMAGEIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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#ifdef TGAIMPORTER_PLUGIN_FILENAME |
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CORRADE_INTERNAL_ASSERT(_manager.load(TGAIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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#ifdef CORRADE_TARGET_APPLE |
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if(Utility::Directory::isSandboxed() |
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#if defined(CORRADE_TARGET_IOS) && defined(CORRADE_TESTSUITE_TARGET_XCTEST) |
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/** @todo Fix this once I persuade CMake to run XCTest tests properly */ |
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&& std::getenv("SIMULATOR_UDID") |
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#endif |
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) { |
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_testDir = Utility::Directory::join(Utility::Directory::path(Utility::Directory::executableLocation()), "RendererGLTestFiles"); |
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} else |
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#endif |
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{ |
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_testDir = RENDERERGLTEST_FILES_DIR; |
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} |
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} |
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void RendererGLTest::maxLineWidth() { |
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@ -60,6 +113,113 @@ void RendererGLTest::maxLineWidth() {
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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} |
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constexpr Vector2i RenderSize{16, 16}; |
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void RendererGLTest::pointCoord() { |
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/* Pick a color that's directly representable on RGBA4 as well to reduce
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artifacts */ |
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GL::Renderer::setClearColor(0x111111_rgbf); |
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GL::Renderer::enable(GL::Renderer::Feature::FaceCulling); |
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_color = GL::Renderbuffer{}; |
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_color.setStorage( |
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#if !defined(MAGNUM_TARGET_GLES2) || !defined(MAGNUM_TARGET_WEBGL) |
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GL::RenderbufferFormat::RGBA8, |
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#else |
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GL::RenderbufferFormat::RGBA4, |
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#endif |
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RenderSize); |
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_framebuffer = GL::Framebuffer{{{}, RenderSize}}; |
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_framebuffer.attachRenderbuffer(GL::Framebuffer::ColorAttachment{0}, _color) |
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.clear(GL::FramebufferClear::Color) |
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.bind(); |
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/* Verify that gl_PointCoord works. On desktop compatibility profile this
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needs an explicit glEnable(GL_POINT_SPRITE), which is done in |
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RendererState */ |
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struct SpriteShader: AbstractShaderProgram { |
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explicit SpriteShader() { |
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#ifndef MAGNUM_TARGET_GLES |
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Shader vert{ |
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#ifndef CORRADE_TARGET_APPLE |
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Version::GL210 |
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#else |
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Version::GL310 |
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#endif |
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, Shader::Type::Vertex}; |
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Shader frag{ |
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#ifndef CORRADE_TARGET_APPLE |
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Version::GL210 |
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#else |
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Version::GL310 |
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#endif |
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, Shader::Type::Fragment}; |
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#elif defined(MAGNUM_TARGET_GLES2) |
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Shader vert(Version::GLES200, Shader::Type::Vertex); |
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Shader frag(Version::GLES200, Shader::Type::Fragment); |
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#else |
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Shader vert(Version::GLES300, Shader::Type::Vertex); |
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Shader frag(Version::GLES300, Shader::Type::Fragment); |
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#endif |
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vert.addSource("#line " CORRADE_LINE_STRING "\n" R"GLSL( |
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void main() { |
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gl_PointSize = 12.0; |
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gl_Position = vec4(0.0, 0.0, 0.0, 1.0); |
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})GLSL"); |
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frag.addSource("#line " CORRADE_LINE_STRING "\n" R"GLSL( |
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#if !defined(GL_ES) && __VERSION__ == 120 |
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#define lowp |
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#endif |
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#if (defined(GL_ES) && __VERSION__ < 300) || __VERSION__ == 120 |
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#define color gl_FragColor |
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#else |
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out lowp vec4 color; |
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#endif |
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void main() { |
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color = vec4(gl_PointCoord.x, gl_PointCoord.y, 0.0, 1.0); |
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})GLSL"); |
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CORRADE_INTERNAL_ASSERT_OUTPUT(Shader::compile({vert, frag})); |
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attachShaders({vert, frag}); |
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CORRADE_INTERNAL_ASSERT_OUTPUT(link()); |
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} |
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} shader; |
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#ifndef MAGNUM_TARGET_GLES |
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Renderer::enable(Renderer::Feature::ProgramPointSize); |
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#endif |
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Mesh mesh{MeshPrimitive::Points}; |
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mesh.setCount(1) |
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.draw(shader); |
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#ifndef MAGNUM_TARGET_GLES |
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Renderer::disable(Renderer::Feature::ProgramPointSize); |
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#endif |
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MAGNUM_VERIFY_NO_GL_ERROR(); |
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if(!(_manager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || |
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!(_manager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) |
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CORRADE_SKIP("AnyImageImporter / TgaImageImporter plugins not found."); |
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#if !(defined(MAGNUM_TARGET_GLES2) && defined(MAGNUM_TARGET_WEBGL)) |
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const Float maxThreshold = 0.0f, meanThreshold = 0.0f; |
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#else |
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/* WebGL 1 doesn't have 8bit renderbuffer storage */ |
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const Float maxThreshold = 7.334f, meanThreshold = 2.063f; |
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#endif |
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CORRADE_COMPARE_WITH( |
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/* Dropping the alpha channel, as it's always 1.0 */ |
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Containers::arrayCast<Color3ub>(_framebuffer.read(_framebuffer.viewport(), {Magnum::PixelFormat::RGBA8Unorm}).pixels<Color4ub>()), |
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Utility::Directory::join(_testDir, "pointcoord.tga"), |
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(DebugTools::CompareImageToFile{_manager, maxThreshold, meanThreshold})); |
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} |
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}}}} |
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CORRADE_TEST_MAIN(Magnum::GL::Test::RendererGLTest) |
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Vladimír Vondruš
7 years ago