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authorColin Okay <colin@cicadas.surf>2022-06-24 10:30:14 -0500
committerColin Okay <colin@cicadas.surf>2022-06-24 10:30:14 -0500
commitc53145d0d347b5306a1a6cb547c7ea0d3772778b (patch)
treea48e021d4b3cc20da1199a7456bb88ace1daa86d /wheelwork.lisp
parent5a60177eb87ff4a7a9485119e868c2e1587a9020 (diff)
[add] caching projected matrix, passed to shader programs
Diffstat (limited to 'wheelwork.lisp')
-rw-r--r--wheelwork.lisp21
1 files changed, 15 insertions, 6 deletions
diff --git a/wheelwork.lisp b/wheelwork.lisp
index c9ce939..ccb38cb 100644
--- a/wheelwork.lisp
+++ b/wheelwork.lisp
@@ -6,7 +6,7 @@
"current application")
(defclass/std unit ()
- ((cached-model :a)
+ ((cached-model cached-projected-matrix :a)
(container :with :a)
(width height :with :std 1.0)
(rotation x y :with :std 0.0)
@@ -16,7 +16,8 @@
(newval class (unit unit) slot)
(case (closer-mop:slot-definition-name slot)
((x y width height rotation )
- (setf (cached-model unit) nil))))
+ (setf (cached-model unit) nil
+ (cached-projected-matrix unit) nil))))
(defclass/std container ()
((units :with :a))
@@ -288,12 +289,12 @@ necessary."
(sdl2:gl-swap-window (application-window app))
(sleep (frame-wait app)))
-
-
-
(defgeneric model-matrix (thing)
(:documentation "Returns the model matrix"))
+(defgeneric projected-matrix (thing)
+ (:documentation "Returns the raw array of the model matrix after it
+ has been prjected by the application's projecion matrix"))
(defmethod model-matrix ((u unit))
(or (cached-model u)
@@ -308,6 +309,12 @@ necessary."
(mat:nmscale m (vec:vec (unit-width u) (unit-height u) 1.0))
m))))
+(defmethod projected-matrix ((thing unit))
+ (or (cached-projected-matrix thing)
+ (setf (cached-projected-matrix thing)
+ (mat:marr (mat:m* (application-projection *application*)
+ (model-matrix thing))))))
+
(defgeneric ensure-loaded (asset)
(:documentation "Ensures that the asset is loaded into memory and ready for use. Returns the asset."))
@@ -594,7 +601,9 @@ give focus to whatever was clicked."
(gl:program-uniform-matrix-4fv
shader
(gl:get-uniform-location shader "TRANSFORM")
- (mat:marr (mat:m* (application-projection *application*) (model-matrix bitmap))))
+ (projected-matrix bitmap)
+ ;(mat:marr (mat:m* (application-projection *application*) (model-matrix bitmap)))
+ )
(gl:bind-vertex-array vao)
(gl:draw-arrays :triangles 0 6)
(gl:bind-vertex-array 0)))