picogl.backend.modern.core.shader.context
=========================================

.. py:module:: picogl.backend.modern.core.shader.context

.. autoapi-nested-parse::

   OpenGL context checks for shader compile/bind (Qt + headless).



Functions
---------

.. autoapisummary::

   picogl.backend.modern.core.shader.context.clear_gl_errors
   picogl.backend.modern.core.shader.context.gl_context_available
   picogl.backend.modern.core.shader.context.require_gl_context
   picogl.backend.modern.core.shader.context.program_is_valid


Module Contents
---------------

.. py:function:: clear_gl_errors(max_clear: int = 8) -> None

   Drain pending gl errors so the next call's status is meaningful.


.. py:function:: gl_context_available() -> bool

   True when a gl context is current and ``glGetString(GL_VERSION)`` works.


.. py:function:: require_gl_context(operation: str) -> None

.. py:function:: program_is_valid(program_id: int | None) -> bool