-! 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 fry 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 ;
+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?
: delete-texture ( id -- ) [ glDeleteTextures ] (delete-gl-object) ;
-GENERIC: component-order>format ( component-order -- format type )
+ERROR: unsupported-component-order component-order component-type ;
+
+CONSTANT: image-internal-formats H{
+ { { A ubyte-components } $ GL_ALPHA8 }
+ { { A ushort-components } $ GL_ALPHA16 }
+ { { A half-components } $ GL_ALPHA16F_ARB }
+ { { A float-components } $ GL_ALPHA32F_ARB }
+ { { A byte-integer-components } $ GL_ALPHA8I_EXT }
+ { { A ubyte-integer-components } $ GL_ALPHA8UI_EXT }
+ { { A short-integer-components } $ GL_ALPHA16I_EXT }
+ { { A ushort-integer-components } $ GL_ALPHA16UI_EXT }
+ { { A int-integer-components } $ GL_ALPHA32I_EXT }
+ { { A uint-integer-components } $ GL_ALPHA32UI_EXT }
+
+ { { L ubyte-components } $ GL_LUMINANCE8 }
+ { { L ushort-components } $ GL_LUMINANCE16 }
+ { { L half-components } $ GL_LUMINANCE16F_ARB }
+ { { L float-components } $ GL_LUMINANCE32F_ARB }
+ { { L byte-integer-components } $ GL_LUMINANCE8I_EXT }
+ { { L ubyte-integer-components } $ GL_LUMINANCE8UI_EXT }
+ { { L short-integer-components } $ GL_LUMINANCE16I_EXT }
+ { { L ushort-integer-components } $ GL_LUMINANCE16UI_EXT }
+ { { L int-integer-components } $ GL_LUMINANCE32I_EXT }
+ { { L uint-integer-components } $ GL_LUMINANCE32UI_EXT }
+
+ { { R ubyte-components } $ GL_R8 }
+ { { R ushort-components } $ GL_R16 }
+ { { R half-components } $ GL_R16F }
+ { { R float-components } $ GL_R32F }
+ { { R byte-integer-components } $ GL_R8I }
+ { { R ubyte-integer-components } $ GL_R8UI }
+ { { R short-integer-components } $ GL_R16I }
+ { { R ushort-integer-components } $ GL_R16UI }
+ { { R int-integer-components } $ GL_R32I }
+ { { R uint-integer-components } $ GL_R32UI }
+
+ { { INTENSITY ubyte-components } $ GL_INTENSITY8 }
+ { { INTENSITY ushort-components } $ GL_INTENSITY16 }
+ { { INTENSITY half-components } $ GL_INTENSITY16F_ARB }
+ { { INTENSITY float-components } $ GL_INTENSITY32F_ARB }
+ { { INTENSITY byte-integer-components } $ GL_INTENSITY8I_EXT }
+ { { INTENSITY ubyte-integer-components } $ GL_INTENSITY8UI_EXT }
+ { { INTENSITY short-integer-components } $ GL_INTENSITY16I_EXT }
+ { { INTENSITY ushort-integer-components } $ GL_INTENSITY16UI_EXT }
+ { { INTENSITY int-integer-components } $ GL_INTENSITY32I_EXT }
+ { { INTENSITY uint-integer-components } $ GL_INTENSITY32UI_EXT }
+
+ { { DEPTH ushort-components } $ GL_DEPTH_COMPONENT16 }
+ { { DEPTH u-24-components } $ GL_DEPTH_COMPONENT24 }
+ { { DEPTH uint-components } $ GL_DEPTH_COMPONENT32 }
+ { { DEPTH float-components } $ GL_DEPTH_COMPONENT32F }
+
+ { { LA ubyte-components } $ GL_LUMINANCE8_ALPHA8 }
+ { { LA ushort-components } $ GL_LUMINANCE16_ALPHA16 }
+ { { LA half-components } $ GL_LUMINANCE_ALPHA16F_ARB }
+ { { LA float-components } $ GL_LUMINANCE_ALPHA32F_ARB }
+ { { LA byte-integer-components } $ GL_LUMINANCE_ALPHA8I_EXT }
+ { { LA ubyte-integer-components } $ GL_LUMINANCE_ALPHA8UI_EXT }
+ { { LA short-integer-components } $ GL_LUMINANCE_ALPHA16I_EXT }
+ { { LA ushort-integer-components } $ GL_LUMINANCE_ALPHA16UI_EXT }
+ { { LA int-integer-components } $ GL_LUMINANCE_ALPHA32I_EXT }
+ { { LA uint-integer-components } $ GL_LUMINANCE_ALPHA32UI_EXT }
+
+ { { RG ubyte-components } $ GL_RG8 }
+ { { RG ushort-components } $ GL_RG16 }
+ { { RG half-components } $ GL_RG16F }
+ { { RG float-components } $ GL_RG32F }
+ { { RG byte-integer-components } $ GL_RG8I }
+ { { RG ubyte-integer-components } $ GL_RG8UI }
+ { { RG short-integer-components } $ GL_RG16I }
+ { { RG ushort-integer-components } $ GL_RG16UI }
+ { { RG int-integer-components } $ GL_RG32I }
+ { { RG uint-integer-components } $ GL_RG32UI }
+
+ { { DEPTH-STENCIL u-24-8-components } $ GL_DEPTH24_STENCIL8 }
+ { { DEPTH-STENCIL float-32-u-8-components } $ GL_DEPTH32F_STENCIL8 }
+
+ { { RGB ubyte-components } $ GL_RGB8 }
+ { { RGB ushort-components } $ GL_RGB16 }
+ { { RGB half-components } $ GL_RGB16F }
+ { { RGB float-components } $ GL_RGB32F }
+ { { RGB byte-integer-components } $ GL_RGB8I }
+ { { RGB ubyte-integer-components } $ GL_RGB8UI }
+ { { RGB byte-integer-components } $ GL_RGB8I }
+ { { RGB ubyte-integer-components } $ GL_RGB8UI }
+ { { RGB short-integer-components } $ GL_RGB16I }
+ { { RGB ushort-integer-components } $ GL_RGB16UI }
+ { { RGB int-integer-components } $ GL_RGB32I }
+ { { RGB uint-integer-components } $ GL_RGB32UI }
+ { { RGB u-5-6-5-components } $ GL_RGB5 }
+ { { RGB u-9-9-9-e5-components } $ GL_RGB9_E5 }
+ { { RGB float-11-11-10-components } $ GL_R11F_G11F_B10F }
+
+ { { RGBA ubyte-components } $ GL_RGBA8 }
+ { { RGBA ushort-components } $ GL_RGBA16 }
+ { { RGBA half-components } $ GL_RGBA16F }
+ { { RGBA float-components } $ GL_RGBA32F }
+ { { RGBA byte-integer-components } $ GL_RGBA8I }
+ { { RGBA ubyte-integer-components } $ GL_RGBA8UI }
+ { { RGBA byte-integer-components } $ GL_RGBA8I }
+ { { RGBA ubyte-integer-components } $ GL_RGBA8UI }
+ { { RGBA short-integer-components } $ GL_RGBA16I }
+ { { RGBA ushort-integer-components } $ GL_RGBA16UI }
+ { { RGBA int-integer-components } $ GL_RGBA32I }
+ { { RGBA uint-integer-components } $ GL_RGBA32UI }
+ { { RGBA u-5-5-5-1-components } $ GL_RGB5_A1 }
+ { { RGBA u-10-10-10-2-components } $ GL_RGB10_A2 }
+}
+
+GENERIC: fix-internal-component-order ( order -- order' )
+
+M: object fix-internal-component-order ;
+M: BGR fix-internal-component-order drop RGB ;
+M: BGRA fix-internal-component-order drop RGBA ;
+M: ARGB fix-internal-component-order drop RGBA ;
+M: ABGR fix-internal-component-order drop RGBA ;
+M: RGBX fix-internal-component-order drop RGBA ;
+M: BGRX fix-internal-component-order drop RGBA ;
+M: XRGB fix-internal-component-order drop RGBA ;
+M: XBGR fix-internal-component-order drop RGBA ;
+
+: image-internal-format ( component-order component-type -- internal-format )
+ 2dup
+ [ fix-internal-component-order ] dip 2array image-internal-formats at
+ [ 2nip ] [ unsupported-component-order ] if* ;
+
+: reversed-type? ( component-type -- ? )
+ { u-9-9-9-e5-components float-11-11-10-components } member? ;
+
+: (component-order>format) ( component-order component-type -- gl-format )
+ dup unnormalized-integer-components? [
+ swap {
+ { A [ drop GL_ALPHA_INTEGER_EXT ] }
+ { L [ drop GL_LUMINANCE_INTEGER_EXT ] }
+ { R [ drop GL_RED_INTEGER ] }
+ { LA [ drop GL_LUMINANCE_ALPHA_INTEGER_EXT ] }
+ { RG [ drop GL_RG_INTEGER ] }
+ { BGR [ drop GL_BGR_INTEGER ] }
+ { RGB [ drop GL_RGB_INTEGER ] }
+ { BGRA [ drop GL_BGRA_INTEGER ] }
+ { RGBA [ drop GL_RGBA_INTEGER ] }
+ { BGRX [ drop GL_BGRA_INTEGER ] }
+ { RGBX [ drop GL_RGBA_INTEGER ] }
+ [ swap unsupported-component-order ]
+ } case
+ ] [
+ swap {
+ { A [ drop GL_ALPHA ] }
+ { L [ drop GL_LUMINANCE ] }
+ { R [ drop GL_RED ] }
+ { LA [ drop GL_LUMINANCE_ALPHA ] }
+ { RG [ drop GL_RG ] }
+ { BGR [ reversed-type? GL_RGB GL_BGR ? ] }
+ { RGB [ reversed-type? GL_BGR GL_RGB ? ] }
+ { BGRA [ drop GL_BGRA ] }
+ { RGBA [ drop GL_RGBA ] }
+ { ARGB [ drop GL_BGRA ] }
+ { ABGR [ drop GL_RGBA ] }
+ { BGRX [ drop GL_BGRA ] }
+ { RGBX [ drop GL_RGBA ] }
+ { XRGB [ drop GL_BGRA ] }
+ { XBGR [ drop GL_RGBA ] }
+ { INTENSITY [ drop GL_INTENSITY ] }
+ { DEPTH [ drop GL_DEPTH_COMPONENT ] }
+ { DEPTH-STENCIL [ drop GL_DEPTH_STENCIL ] }
+ [ swap unsupported-component-order ]
+ } case
+ ] if ;
+
+GENERIC: (component-type>type) ( component-order component-type -- gl-type )
+
+M: object (component-type>type) unsupported-component-order ;
+
+: four-channel-alpha-first? ( component-order component-type -- ? )
+ over component-count 4 =
+ [ drop alpha-channel-precedes-colors? ]
+ [ unsupported-component-order ] if ;
+
+: not-alpha-first ( component-order component-type -- )
+ over alpha-channel-precedes-colors?
+ [ unsupported-component-order ]
+ [ 2drop ] if ;
+
+M: ubyte-components (component-type>type)
+ drop alpha-channel-precedes-colors?
+ [ GL_UNSIGNED_INT_8_8_8_8_REV ]
+ [ GL_UNSIGNED_BYTE ] if ;
+
+M: ushort-components (component-type>type) not-alpha-first GL_UNSIGNED_SHORT ;
+M: uint-components (component-type>type) not-alpha-first GL_UNSIGNED_INT ;
+M: half-components (component-type>type) not-alpha-first GL_HALF_FLOAT ;
+M: float-components (component-type>type) not-alpha-first GL_FLOAT ;
+M: byte-integer-components (component-type>type) not-alpha-first GL_BYTE ;
+M: ubyte-integer-components (component-type>type) not-alpha-first GL_UNSIGNED_BYTE ;
+M: short-integer-components (component-type>type) not-alpha-first GL_SHORT ;
+M: ushort-integer-components (component-type>type) not-alpha-first GL_UNSIGNED_SHORT ;
+M: int-integer-components (component-type>type) not-alpha-first GL_INT ;
+M: uint-integer-components (component-type>type) not-alpha-first GL_UNSIGNED_INT ;
+
+M: u-5-5-5-1-components (component-type>type)
+ four-channel-alpha-first?
+ [ GL_UNSIGNED_SHORT_1_5_5_5_REV ]
+ [ GL_UNSIGNED_SHORT_5_5_5_1 ] if ;
+
+M: u-5-6-5-components (component-type>type) 2drop GL_UNSIGNED_SHORT_5_6_5 ;
+
+M: u-10-10-10-2-components (component-type>type)
+ four-channel-alpha-first?
+ [ GL_UNSIGNED_INT_2_10_10_10_REV ]
+ [ GL_UNSIGNED_INT_10_10_10_2 ] if ;
+
+M: u-24-components (component-type>type)
+ over DEPTH =
+ [ 2drop GL_UNSIGNED_INT ] [ unsupported-component-order ] if ;
-M: RGB component-order>format drop GL_RGB GL_UNSIGNED_BYTE ;
-M: BGR component-order>format drop GL_BGR GL_UNSIGNED_BYTE ;
-M: RGBA component-order>format drop GL_RGBA GL_UNSIGNED_BYTE ;
-M: ARGB component-order>format drop GL_BGRA_EXT GL_UNSIGNED_INT_8_8_8_8_REV ;
-M: BGRA component-order>format drop GL_BGRA_EXT GL_UNSIGNED_BYTE ;
-M: BGRX component-order>format drop GL_BGRA_EXT GL_UNSIGNED_BYTE ;
-M: LA component-order>format drop GL_LUMINANCE_ALPHA GL_UNSIGNED_BYTE ;
-M: L component-order>format drop GL_LUMINANCE GL_UNSIGNED_BYTE ;
+M: u-24-8-components (component-type>type)
+ over DEPTH-STENCIL =
+ [ 2drop GL_UNSIGNED_INT_24_8 ] [ unsupported-component-order ] if ;
+
+M: u-9-9-9-e5-components (component-type>type)
+ over BGR =
+ [ 2drop GL_UNSIGNED_INT_5_9_9_9_REV ] [ unsupported-component-order ] if ;
+
+M: float-11-11-10-components (component-type>type)
+ over BGR =
+ [ 2drop GL_UNSIGNED_INT_10F_11F_11F_REV ] [ unsupported-component-order ] if ;
+
+: image-data-format ( component-order component-type -- gl-format gl-type )
+ [ (component-order>format) ] [ (component-type>type) ] 2bi ;
SLOT: display-list
DEFER: make-texture
+: (image-format) ( component-order component-type -- internal-format format type )
+ [ image-internal-format ] [ image-data-format ] 2bi ;
+
+: image-format ( image -- internal-format format type )
+ [ component-order>> ] [ component-type>> ] bi (image-format) ;
+
<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 [
[ dup 1 = [ next-power-of-2 ] unless ] map
] unless ;
-: (tex-image) ( image bitmap -- )
- [
- [ GL_TEXTURE_2D 0 GL_RGBA ] dip
- [ dim>> adjust-texture-dim first2 0 ]
- [ component-order>> component-order>format ] bi
- ] dip
- glTexImage2D ;
+:: tex-image ( image bitmap -- )
+ image image-format :> ( internal-format format type )
+ GL_TEXTURE_2D 0 internal-format
+ image dim>> adjust-texture-dim first2 0
+ format type bitmap glTexImage2D ;
-: (tex-sub-image) ( image -- )
+: tex-sub-image ( image -- )
[ GL_TEXTURE_2D 0 0 0 ] dip
- [ dim>> first2 ] [ component-order>> component-order>format ] [ bitmap>> ] tri
+ [ dim>> first2 ]
+ [ image-format [ drop ] 2dip ]
+ [ bitmap>> ] tri
glTexSubImage2D ;
: init-texture ( -- )
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
'[ [ _ v+ <single-texture> |dispose ] 2map ] 2map ;
-: draw-textured-grid ( grid -- )
- [ [ [ dim>> ] keep (draw-textured-rect) ] each ] each ;
-
: grid-has-alpha? ( grid -- ? )
first first image>> has-alpha? ;
: <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 ;
GL_TEXTURE_BIT [
GL_TEXTURE_2D swap glBindTexture
non-power-of-2-textures? get
- [ dup bitmap>> (tex-image) ]
- [ [ f (tex-image) ] [ (tex-sub-image) ] bi ] if
+ [ dup bitmap>> tex-image ]
+ [ [ f tex-image ] [ tex-sub-image ] bi ] if
] do-attribs
] keep ;
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
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