Source code for simvx.graphics.gpu.context

"""GPU context — bundles core Vulkan handles used throughout the renderer."""

from __future__ import annotations

from typing import Any

from .commands import CommandContext

__all__ = ["GPUContext"]




class GPUContext:
    """Immutable bag of GPU handles shared across all renderer passes.

    Created once during Vulkan init and stored on Engine as ``engine.ctx``.
    Renderer passes should accept or store this rather than reaching into
    engine internals.
    """

    __slots__ = (
        "device",
        "physical_device",
        "graphics_queue",
        "present_queue",
        "graphics_qf",
        "cmd_ctx",
    )

    def __init__(
        self,
        device: Any,
        physical_device: Any,
        graphics_queue: Any,
        present_queue: Any,
        graphics_qf: int,
        cmd_ctx: CommandContext,
    ) -> None:
        self.device = device
        self.physical_device = physical_device
        self.graphics_queue = graphics_queue
        self.present_queue = present_queue
        self.graphics_qf = graphics_qf
        self.cmd_ctx = cmd_ctx

    @property
    def command_pool(self) -> Any:
        """Shorthand for ``cmd_ctx.pool``."""
        return self.cmd_ctx.pool