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This file is a part of trial
(c) 2017 Shirakumo (
Author: Nicolas Hafner <>
(in-package #:org.shirakumo.fraf.trial)
(defclass render-texture (pipeline)
((width :initarg :width :accessor width)
(height :initarg :height :accessor height)
(clear-color :initarg :clear-color :accessor clear-color))
:width (error "WIDTH required.")
:height (error "HEIGHT required.")
:clear-color (vec4 0 0 0 0)))
(defmethod pack ((render-texture render-texture))
(pack-pipeline render-texture render-texture))
(defmethod resize :after ((render-texture render-texture) width height)
(setf (width render-texture) width)
(setf (height render-texture) height))
(defmethod texture ((render-texture render-texture))
(let ((pass (aref (passes render-texture) (1- (length (passes render-texture))))))
(texture (find :color-attachment0 (flow:ports pass)
:key #'attachment))))
(defmethod paint-with :before ((target render-texture) source)
(gl:viewport 0 0 (width target) (height target))
(let ((c (clear-color target)))
(gl:clear-color (vx c) (vy c) (vz c) (if (vec4-p c) (vw c) 0.0))))