std::string AbstractObject::getLabelImplementationKhr(const GLenum identifier, const GLuint name) {
/* Get label size (w/o null terminator). Specifying 0 as size is not
allowed, thus we pass the maximum instead. */
GLsizei size = 0;
#ifndef MAGNUM_TARGET_GLES
glGetObjectLabel(identifier, name, maxLabelLength(), &size, nullptr);
#elif !defined(CORRADE_TARGET_NACL)
glGetObjectLabelKHR(identifier, name, maxLabelLength(), &size, nullptr);
#else
static_cast<void>(identifier);
static_cast<void>(name);
CORRADE_ASSERT_UNREACHABLE();
#endif
/* Make place also for the null terminator */
std::string label;
label.resize(size+1);
#ifndef MAGNUM_TARGET_GLES
glGetObjectLabel(identifier, name, size+1, nullptr, &label[0]);
#elif !defined(CORRADE_TARGET_NACL)
glGetObjectLabelKHR(identifier, name, size+1, nullptr, &label[0]);
#else
CORRADE_ASSERT_UNREACHABLE();
#endif
/* Pop null terminator and return the string */
label.resize(size);
return label;
}
std::string AbstractObject::getLabelImplementationKhr(const GLenum identifier, const GLuint name) {
/**
* @todo Get rid of this workaround when NVidia returns proper size for
* length=0 & label=nullptr (even crashes on length>0 & label=nullptr)
*/
#if 0
/* Get label size (w/o null terminator) */
GLsizei size;
#ifndef MAGNUM_TARGET_GLES
glGetObjectLabel(type, name, 0, &size, nullptr);
#else
glGetObjectLabelKHR(type, name, 0, &size, nullptr);
#endif
/* Make place also for the null terminator */
std::string label;
label.resize(size+1);
#ifndef MAGNUM_TARGET_GLES
glGetObjectLabel(identifier, name, size+1, nullptr, &label[0]);
#else
glGetObjectLabelKHR(identifier, name, size+1, nullptr, &label[0]);
#endif
/* Pop null terminator and return the string */
label.resize(size);
return label;
#else
GLsizei size;
std::string label;
label.resize(maxLabelLength());
/** @todo Re-enable when extension loader is available for ES */
#ifndef MAGNUM_TARGET_GLES
glGetObjectLabel(identifier, name, label.size(), &size, &label[0]);
#else
static_cast<void>(identifier);
static_cast<void>(name);
CORRADE_INTERNAL_ASSERT(false);
//glGetObjectLabelKHR(identifier, name, label.size(), &size, &label[0]);
#endif
return label.substr(0, size);
#endif
}
