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;;; Chickadee Game Toolkit
;;; Copyright © 2023 David Thompson <dthompson2@worcester.edu>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
;;; Commentary
;;
;; Primitive rendering configuration.
;;
;;; Code:
(define-module (chickadee graphics primitive)
#:use-module (srfi srfi-9)
#:export (make-primitive-mode
primitive-mode?
primitive-mode-topology
primitive-mode-front-face
primitive-mode-cull-face))
(define-record-type <primitive-mode>
(%make-primitive-mode topology front-face cull-face)
primitive-mode?
(topology primitive-mode-topology)
(front-face primitive-mode-front-face)
(cull-face primitive-mode-cull-face))
(define* (make-primitive-mode #:key
(topology 'triangle-list)
(front-face 'ccw)
(cull-face 'back))
(%make-primitive-mode topology front-face cull-face))
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