void AbstractQueryGLTest::label() {
#ifdef MAGNUM_TARGET_GLES2
if(!Context::current()->isExtensionSupported<Extensions::GL::EXT::occlusion_query_boolean>())
CORRADE_SKIP(Extensions::GL::EXT::occlusion_query_boolean::string() + std::string(" is not supported."));
#endif
/* No-Op version is tested in AbstractObjectGLTest */
if(!Context::current()->isExtensionSupported<Extensions::GL::KHR::debug>() &&
!Context::current()->isExtensionSupported<Extensions::GL::EXT::debug_label>())
CORRADE_SKIP("Required extension is not available");
{
/** @todo Is this even legal optimization? */
CORRADE_EXPECT_FAIL("The object must be used at least once before setting/querying label.");
CORRADE_VERIFY(false);
}
SampleQuery query;
query.begin(SampleQuery::Target::AnySamplesPassed);
query.end();
CORRADE_COMPARE(query.label(), "");
query.setLabel("MyQuery");
CORRADE_COMPARE(query.label(), "MyQuery");
MAGNUM_VERIFY_NO_ERROR();
}
void SampleQueryGLTest::querySamplesPassed() {
#ifdef MAGNUM_TARGET_GLES2
if(!Context::current()->isExtensionSupported<Extensions::GL::EXT::occlusion_query_boolean>())
CORRADE_SKIP(Extensions::GL::EXT::occlusion_query_boolean::string() + std::string(" is not available."));
#endif
Renderbuffer renderbuffer;
#ifndef MAGNUM_TARGET_GLES2
renderbuffer.setStorage(RenderbufferFormat::RGBA8, Vector2i(32));
#else
renderbuffer.setStorage(RenderbufferFormat::RGBA4, Vector2i(32));
#endif
Framebuffer framebuffer({{}, Vector2i(32)});
framebuffer.attachRenderbuffer(Framebuffer::ColorAttachment(0), renderbuffer);
Buffer buffer;
constexpr Vector2 triangle[] = {{-1.0f, 1.0f}, {-1.0f, -3.0f}, {3.0f, 1.0f}};
buffer.setData(triangle, BufferUsage::StaticDraw);
Mesh mesh;
mesh.setPrimitive(MeshPrimitive::Triangles)
.setCount(3)
.addVertexBuffer(buffer, 0, AbstractShaderProgram::Attribute<0, Vector2>());
MyShader shader;
MAGNUM_VERIFY_NO_ERROR();
SampleQuery q;
#ifndef MAGNUM_TARGET_GLES
q.begin(SampleQuery::Target::SamplesPassed);
#else
q.begin(SampleQuery::Target::AnySamplesPassed);
#endif
framebuffer.bind(FramebufferTarget::ReadDraw);
mesh.draw(shader);
q.end();
const bool availableBefore = q.resultAvailable();
const UnsignedInt count = q.result<UnsignedInt>();
const bool availableAfter = q.resultAvailable();
MAGNUM_VERIFY_NO_ERROR();
CORRADE_VERIFY(!availableBefore);
CORRADE_VERIFY(availableAfter);
#ifndef MAGNUM_TARGET_GLES
CORRADE_COMPARE(count, 32*32);
#else
CORRADE_VERIFY(count > 0);
#endif
}