void SampleQueryGLTest::wrap() {
#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
GLuint id;
#ifndef MAGNUM_TARGET_GLES2
glGenQueries(1, &id);
#else
glGenQueriesEXT(1, &id);
#endif
/* Releasing won't delete anything */
{
auto query = SampleQuery::wrap(id, SampleQuery::Target::AnySamplesPassed, ObjectFlag::DeleteOnDestruction);
CORRADE_COMPARE(query.release(), id);
}
/* ...so we can wrap it again */
SampleQuery::wrap(id, SampleQuery::Target::AnySamplesPassed);
#ifndef MAGNUM_TARGET_GLES2
glDeleteQueries(1, &id);
#else
glDeleteQueriesEXT(1, &id);
#endif
}
void AbstractQuery::createImplementationDefault() {
#ifndef MAGNUM_TARGET_GLES2
glGenQueries(1, &_id);
#elif !defined(CORRADE_TARGET_EMSCRIPTEN)
glGenQueriesEXT(1, &_id);
#else
CORRADE_ASSERT_UNREACHABLE();
#endif
}
AbstractQuery::AbstractQuery(): target() {
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES2
glGenQueries(1, &_id);
#elif defined(CORRADE_TARGET_NACL)
glGenQueriesEXT(1, &_id);
#else
CORRADE_INTERNAL_ASSERT(false);
#endif
}
/**
* Default object constructor
*
*/
GLES2HardwareOcclusionQuery::GLES2HardwareOcclusionQuery()
{
// Check for hardware occlusion support
#ifdef GL_EXT_occlusion_query_boolean
glGenQueriesEXT(1, &mQueryID );
GL_CHECK_ERROR;
#else
OGRE_EXCEPT( Exception::ERR_INTERNAL_ERROR,
"Cannot allocate a Hardware query. This video card doesn't support it, sorry.",
"GLES2HardwareOcclusionQuery::GLES2HardwareOcclusionQuery" );
#endif
}
//------------------------------------------------------------------
void GLES2HardwareOcclusionQuery::createQuery()
{
// Check for hardware occlusion support
#ifdef GL_EXT_occlusion_query_boolean
OGRE_IF_IOS_VERSION_IS_GREATER_THAN(5.0)
OGRE_CHECK_GL_ERROR(glGenQueriesEXT(1, &mQueryID ));
#else
OGRE_EXCEPT( Exception::ERR_INTERNAL_ERROR,
"Cannot allocate a Hardware query. This video card doesn't support it, sorry.",
"GLES2HardwareOcclusionQuery::GLES2HardwareOcclusionQuery" );
#endif
}
//------------------------------------------------------------------
void GLES2HardwareOcclusionQuery::createQuery()
{
// Check for hardware occlusion support
if(getGLSupport()->checkExtension("GL_EXT_occlusion_query_boolean") || gleswIsSupported(3, 0))
{
OGRE_CHECK_GL_ERROR(glGenQueriesEXT(1, &mQueryID));
}
else
{
OGRE_EXCEPT( Exception::ERR_INTERNAL_ERROR,
"Cannot allocate a Hardware query. This video card doesn't support it, sorry.",
"GLES2HardwareOcclusionQuery::GLES2HardwareOcclusionQuery" );
}
}
