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More work on webgl

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David Botton 2022-08-11 21:37:09 -04:00
parent 2ac40e7603
commit 00446e4f83
2 changed files with 30 additions and 0 deletions
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26
source/clog-webgl.lisp
View file

@ -78,7 +78,9 @@
(bind-attribute-location generic-function)
(program-parameter generic-function)
(attribute-location generic-function)
(uniform-location generic-function)
(active-attribute generic-function)
(active-uniform generic-function)
(program-info-log generic-function)
(link-program generic-function)
(use-program generic-function)
@ -620,10 +622,20 @@ For :GLENUM values"))
(script-id obj)
(script-id (gl obj)) glenum-param)))
(defgeneric attribute-location (clog-webgl-program name)
(:documentation "Returns the location of an attribute variable in clog-program"))
(defmethod attribute-location ((obj clog-webgl-program) name)
(query (gl obj) (format nil "getAttribLocation(~A, '~A')"
(script-id obj) name)))
(defgeneric uniform-location (clog-webgl-program name)
(:documentation "Returns the location of an uniform variable in clog-program"))
(defmethod uniform-location ((obj clog-webgl-program) name)
(query (gl obj) (format nil "getUniformLocation(~A, '~A')"
(script-id obj) name)))
(defmethod program-info-log ((obj clog-webgl-program))
(query (gl obj) (format nil "getProgramInfoLog(~A)"
(script-id obj))))
@ -640,6 +652,20 @@ For :GLENUM values"))
:connection-id (clog::connection-id obj)
:html-id web-id)))
(defgeneric active-uniform (clog-webgl-program index)
(:documentation "Query about unknown uniforms"))
(defmethod active-uniform ((obj clog-webgl-program) index)
(let ((web-id (clog-connection:generate-id)))
(js-execute obj (format nil "clog['~A']=~A.getActiveUniform(~A,~A)"
web-id
(script-id (gl obj)) (script-id obj) index))
(make-instance 'clog-webgl-active-info
:connection-id (clog::connection-id obj)
:html-id web-id)))
;; WebGLRenderingContext.getAttachedShaders()
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Methods - clog-webgl-program
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

4
tutorial/34-tutorial.lisp
View file

@ -51,6 +51,10 @@ void main() {
(let ((obj (active-attribute program n)))
(format t "~A : Active Attribute - ~A ~A ~A"
n (info-name obj) (info-size obj) (info-type obj))))
(dotimes (n (parse-integer (program-parameter program :ACTIVE_UNIFORMS)))
(let ((obj (active-uniform program n)))
(format t "~A : Active Uniform - ~A ~A ~A"
n (info-name obj) (info-size obj) (info-type obj))))
(print (drawing-buffer-width gl))
(print (drawing-buffer-height gl))
(bind-buffer pos-buffer :ARRAY_BUFFER)