void GL_APIENTRY GetQueryObjectuivEXT(GLuint id, GLenum pname, GLuint *params)
{
    EVENT("(GLuint id = %d, GLenum pname = 0x%X, GLuint *params = 0x%0.8p)", id, pname, params);

    Context *context = GetValidGlobalContext();
    if (context)
    {
        Query *queryObject = context->getQuery(id, false, GL_NONE);

        if (!queryObject)
        {
            context->recordError(Error(GL_INVALID_OPERATION));
            return;
        }

        if (context->getState().getActiveQueryId(queryObject->getType()) == id)
        {
            context->recordError(Error(GL_INVALID_OPERATION));
            return;
        }

        switch(pname)
        {
          case GL_QUERY_RESULT_EXT:
            {
                Error error = queryObject->getResult(params);
                if (error.isError())
                {
                    context->recordError(error);
                    return;
                }
            }
            break;

          case GL_QUERY_RESULT_AVAILABLE_EXT:
            {
                Error error = queryObject->isResultAvailable(params);
                if (error.isError())
                {
                    context->recordError(error);
                    return;
                }
            }
            break;

          default:
            context->recordError(Error(GL_INVALID_ENUM));
            return;
        }
    }
}
Пример #2
0
bool ValidateBeginQuery(gl::Context *context, GLenum target, GLuint id)
{
    if (!ValidQueryType(context, target))
    {
        return gl::error(GL_INVALID_ENUM, false);
    }

    if (id == 0)
    {
        return gl::error(GL_INVALID_OPERATION, false);
    }

    // From EXT_occlusion_query_boolean: If BeginQueryEXT is called with an <id>
    // of zero, if the active query object name for <target> is non-zero (for the
    // targets ANY_SAMPLES_PASSED_EXT and ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, if
    // the active query for either target is non-zero), if <id> is the name of an
    // existing query object whose type does not match <target>, or if <id> is the
    // active query object name for any query type, the error INVALID_OPERATION is
    // generated.

    // Ensure no other queries are active
    // NOTE: If other queries than occlusion are supported, we will need to check
    // separately that:
    //    a) The query ID passed is not the current active query for any target/type
    //    b) There are no active queries for the requested target (and in the case
    //       of GL_ANY_SAMPLES_PASSED_EXT and GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT,
    //       no query may be active for either if glBeginQuery targets either.
    if (context->isQueryActive())
    {
        return gl::error(GL_INVALID_OPERATION, false);
    }

    Query *queryObject = context->getQuery(id, true, target);

    // check that name was obtained with glGenQueries
    if (!queryObject)
    {
        return gl::error(GL_INVALID_OPERATION, false);
    }

    // check for type mismatch
    if (queryObject->getType() != target)
    {
        return gl::error(GL_INVALID_OPERATION, false);
    }

    return true;
}