def create_fbo(ctx: moderngl.Context,
size: Size,
components: int = 4) -> moderngl.Framebuffer:
"""Create a Frame Buffer Object (fbo) with the given size and
color components"""
return ctx.framebuffer(
color_attachments=[ctx.renderbuffer(size, components)],
depth_attachment=ctx.depth_renderbuffer(size))
def get_fbo(self,
ctx: moderngl.Context,
samples: int = 0) -> moderngl.Framebuffer:
pw = self.pixel_width
ph = self.pixel_height
return ctx.framebuffer(color_attachments=ctx.texture(
(pw, ph),
components=self.n_channels,
samples=samples,
),
depth_attachment=ctx.depth_renderbuffer(
(pw, ph), samples=samples))
def __init__(self, ctx: moderngl.Context, w: int, h: int, type: Tuple[int, str] = (1, 'f1'),
use_depth: bool = False):
self.w, self.h, self.type = w, h, type
if use_depth:
self.dbo = ctx.depth_texture((w,h))
self.fbo = ctx.framebuffer([ctx.renderbuffer((w, h), type[0], dtype=type[1])], depth_attachment=self.dbo)