wh-engine/wh-engine/render/shaders/basic-shader.lisp

27 lines
1.0 KiB
Common Lisp

;;;; basic-shader.lisp (Lisp shader code)
(in-package wh-engine/render)
(define-shader basic-shader
(:in ((vert-pos :type :vec3 :location 0)
(vert-uv :type :vec2 :location 1))
:out ((*frag-colour* :type :vec4))
:uniform ((model :type :mat4)
(view :type :mat4)
(proj :type :mat4)
(main-tex :type :sampler-2d)
(colour :type :vec4)))
:version 330
:vert ((setf *position* (* proj view model (vec4 vert-pos 1.0))))
:frag ((setf *frag-colour* (* (sample-texture main-tex vert-uv) colour))))
(define-shader render-target-blit-shader
(:in ((vert-pos :type :vec2 :location 0))
:out ((*frag-colour* :type :vec4)
(*frag-depth* :type :float))
:uniform ((main-tex :type :sampler-2d)
(depth-tex :type :depth-sampler-2d)))
:version 330
:vert ((setf *position* (vec4 vert-pos 0.0 1.0)))
:frag ((setf *frag-colour* (sample-texture main-tex vert-pos)
*frag-depth* (sample-texture depth-tex vert-pos))))