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-rw-r--r--chickadee/graphics/depth.scm65
1 files changed, 0 insertions, 65 deletions
diff --git a/chickadee/graphics/depth.scm b/chickadee/graphics/depth.scm
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--- a/chickadee/graphics/depth.scm
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@@ -1,65 +0,0 @@
-;;; Chickadee Game Toolkit
-;;; Copyright © 2020, 2021 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.
-
-(define-module (chickadee graphics depth)
- #:use-module (ice-9 match)
- #:use-module (gl)
- #:use-module (chickadee graphics engine)
- #:use-module (chickadee graphics gl)
- #:use-module (srfi srfi-9)
- #:export (make-depth-test
- depth-test?
- depth-test-write?
- depth-test-function
- depth-test-near
- depth-test-far
- basic-depth-test
- g:depth-test
- current-depth-test))
-
-(define-record-type <depth-test>
- (%make-depth-test write? function near far)
- depth-test?
- (write? depth-test-write?)
- (function depth-test-function)
- (near depth-test-near)
- (far depth-test-far))
-
-(define* (make-depth-test #:key (write? #t) (function 'less-than) (near 0.0) (far 1.0))
- (%make-depth-test write? function near far))
-
-(define basic-depth-test (make-depth-test))
-
-(define (bind-depth-test depth-test)
- (if depth-test
- (let ((glfunc (match (depth-test-function depth-test)
- ('always (depth-function always))
- ('never (depth-function never))
- ('equal (depth-function equal))
- ('not-equal (depth-function notequal))
- ('less-than (depth-function less))
- ('less-than-or-equal (depth-function lequal))
- ('greater-than (depth-function greater))
- ('greater-than-or-equal (depth-function gequal)))))
- (gl-enable (enable-cap depth-test))
- (gl-depth-func glfunc)
- (gl-depth-mask (depth-test-write? depth-test))
- (gl-depth-range (depth-test-near depth-test) (depth-test-far depth-test)))
- (gl-disable (enable-cap depth-test))))
-
-(define-graphics-state g:depth-test
- current-depth-test
- #:default #f
- #:bind bind-depth-test)