-! Copyright (C) 2009 Slava Pestov.
+! Copyright (C) 2009, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors assocs cache colors.constants destructors kernel
-opengl opengl.gl opengl.capabilities combinators images
-images.tesselation grouping specialized-arrays.float sequences math
-math.vectors math.matrices generalizations fry arrays namespaces
-system locals literals ;
+USING: accessors alien.data assocs cache colors.constants
+destructors kernel opengl opengl.gl opengl.capabilities
+combinators images images.tesselation grouping sequences math
+math.vectors generalizations fry arrays namespaces system locals
+literals specialized-arrays ;
+FROM: alien.c-types => int float ;
+SPECIALIZED-ARRAY: float
IN: opengl.textures
SYMBOL: non-power-of-2-textures?
<PRIVATE
-TUPLE: single-texture image dim loc texture-coords texture display-list disposed ;
+TUPLE: single-texture < disposable image dim loc texture-coords texture display-list ;
: adjust-texture-dim ( dim -- dim' )
non-power-of-2-textures? get [
] unless ;
:: tex-image ( image bitmap -- )
- image image-format :> type :> format :> internal-format
+ image image-format :> ( internal-format format type )
GL_TEXTURE_2D 0 internal-format
image dim>> adjust-texture-dim first2 0
format type bitmap glTexImage2D ;
GL_COMPILE [ [ dim>> ] keep draw-textured-rect ] make-dlist ;
: <single-texture> ( image loc -- texture )
- single-texture new swap >>loc swap [ >>image ] [ dim>> >>dim ] bi
+ single-texture new-disposable swap >>loc swap [ >>image ] [ dim>> >>dim ] bi
dup image>> dim>> product 0 = [
dup texture-coords >>texture-coords
dup image>> make-texture >>texture
dup texture>> [ draw-textured-rect ] [ 2drop ] if
] if ;
-TUPLE: multi-texture grid display-list loc disposed ;
+TUPLE: multi-texture < disposable grid display-list loc ;
: image-locs ( image-grid -- loc-grid )
[ first [ dim>> first ] map ] [ [ first dim>> second ] map ] bi
[ 0 [ + ] accumulate nip ] bi@
- cross-zip flip ;
+ cartesian-product flip ;
: <texture-grid> ( image-grid loc -- grid )
[ dup image-locs ] dip
: <multi-texture> ( image-grid loc -- multi-texture )
[
- [
- <texture-grid> dup
- make-textured-grid-display-list
- ] keep
- f multi-texture boa
+ [ multi-texture new-disposable ] 2dip
+ [ nip >>loc ] [ <texture-grid> >>grid ] 2bi
+ dup grid>> make-textured-grid-display-list >>display-list
] with-destructors ;
M: multi-texture draw-scaled-texture nip draw-texture ;
over dim>> max-texture-size [ <= ] 2all?
[ <single-texture> ]
[ [ max-texture-size tesselate ] dip <multi-texture> ] if ;
+
+: get-texture-float ( target level enum -- value )
+ { float } [ glGetTexLevelParameterfv ] [ ] with-out-parameters ; inline
+
+: get-texture-int ( target level enum -- value )
+ { int } [ glGetTexLevelParameteriv ] [ ] with-out-parameters ; inline