1 ! (c)2009 Joe Groff bsd license
2 USING: accessors alien.c-types arrays byte-arrays combinators
3 destructors fry gpu gpu.buffers images kernel locals math
4 opengl opengl.gl opengl.textures sequences
5 specialized-arrays ui.gadgets.worlds variants ;
6 SPECIALIZED-ARRAY: float
9 TUPLE: texture < gpu-object
10 { component-order component-order read-only initial: RGBA }
11 { component-type component-type read-only initial: ubyte-components } ;
13 TUPLE: texture-1d < texture ;
14 TUPLE: texture-2d < texture ;
15 TUPLE: texture-rectangle < texture ;
16 TUPLE: texture-3d < texture ;
17 TUPLE: texture-cube-map < texture ;
19 TUPLE: texture-1d-array < texture ;
20 TUPLE: texture-2d-array < texture ;
22 VARIANT: cube-map-axis
26 { texture texture-cube-map read-only }
27 { axis cube-map-axis read-only } ;
28 C: <cube-map-face> cube-map-face
30 UNION: texture-1d-data-target
32 UNION: texture-2d-data-target
33 texture-2d texture-rectangle texture-1d-array cube-map-face ;
34 UNION: texture-3d-data-target
35 texture-3d texture-2d-array ;
36 UNION: texture-data-target
37 texture-1d-data-target texture-2d-data-target texture-3d-data-target ;
40 [ [ delete-texture ] when* f ] change-handle drop ;
44 { component-order component-order read-only initial: RGBA }
45 { component-type component-type read-only initial: ubyte-components } ;
47 C: <texture-data> texture-data
48 UNION: ?texture-data texture-data POSTPONE: f ;
49 UNION: ?float-array float-array POSTPONE: f ;
52 clamp-texcoord-to-edge clamp-texcoord-to-border repeat-texcoord repeat-texcoord-mirrored ;
53 VARIANT: texture-filter
54 filter-nearest filter-linear ;
56 UNION: wrap-set texture-wrap sequence ;
57 UNION: ?texture-filter texture-filter POSTPONE: f ;
59 TUPLE: texture-parameters
60 { wrap wrap-set initial: { repeat-texcoord repeat-texcoord repeat-texcoord } }
61 { min-filter texture-filter initial: filter-nearest }
62 { min-mipmap-filter ?texture-filter initial: filter-linear }
63 { mag-filter texture-filter initial: filter-linear }
64 { min-lod integer initial: -1000 }
65 { max-lod integer initial: 1000 }
66 { lod-bias integer initial: 0 }
67 { base-level integer initial: 0 }
68 { max-level integer initial: 1000 } ;
72 GENERIC: texture-object ( texture-data-target -- texture )
73 M: cube-map-face texture-object
75 M: texture texture-object
78 : gl-wrap ( wrap -- gl-wrap )
80 { clamp-texcoord-to-edge [ GL_CLAMP_TO_EDGE ] }
81 { clamp-texcoord-to-border [ GL_CLAMP_TO_BORDER ] }
82 { repeat-texcoord [ GL_REPEAT ] }
83 { repeat-texcoord-mirrored [ GL_MIRRORED_REPEAT ] }
86 : set-texture-gl-wrap ( target wraps -- )
87 dup sequence? [ 1array ] unless 3 over last pad-tail {
88 [ [ GL_TEXTURE_WRAP_S ] dip first gl-wrap glTexParameteri ]
89 [ [ GL_TEXTURE_WRAP_T ] dip second gl-wrap glTexParameteri ]
90 [ [ GL_TEXTURE_WRAP_R ] dip third gl-wrap glTexParameteri ]
93 : gl-mag-filter ( filter -- gl-filter )
95 { filter-nearest [ GL_NEAREST ] }
96 { filter-linear [ GL_LINEAR ] }
99 : gl-min-filter ( filter mipmap-filter -- gl-filter )
101 { { filter-nearest f } [ GL_NEAREST ] }
102 { { filter-linear f } [ GL_LINEAR ] }
103 { { filter-nearest filter-nearest } [ GL_NEAREST_MIPMAP_NEAREST ] }
104 { { filter-linear filter-nearest } [ GL_LINEAR_MIPMAP_NEAREST ] }
105 { { filter-linear filter-linear } [ GL_LINEAR_MIPMAP_LINEAR ] }
106 { { filter-nearest filter-linear } [ GL_NEAREST_MIPMAP_LINEAR ] }
109 GENERIC: texture-gl-target ( texture -- target )
110 GENERIC: texture-data-gl-target ( texture -- target )
112 M: texture-1d texture-gl-target drop GL_TEXTURE_1D ;
113 M: texture-2d texture-gl-target drop GL_TEXTURE_2D ;
114 M: texture-rectangle texture-gl-target drop GL_TEXTURE_RECTANGLE ;
115 M: texture-3d texture-gl-target drop GL_TEXTURE_3D ;
116 M: texture-cube-map texture-gl-target drop GL_TEXTURE_CUBE_MAP ;
117 M: texture-1d-array texture-gl-target drop GL_TEXTURE_1D_ARRAY ;
118 M: texture-2d-array texture-gl-target drop GL_TEXTURE_2D_ARRAY ;
120 M: texture-1d texture-data-gl-target drop GL_TEXTURE_1D ;
121 M: texture-2d texture-data-gl-target drop GL_TEXTURE_2D ;
122 M: texture-rectangle texture-data-gl-target drop GL_TEXTURE_RECTANGLE ;
123 M: texture-3d texture-data-gl-target drop GL_TEXTURE_3D ;
124 M: texture-1d-array texture-data-gl-target drop GL_TEXTURE_1D_ARRAY ;
125 M: texture-2d-array texture-data-gl-target drop GL_TEXTURE_2D_ARRAY ;
126 M: cube-map-face texture-data-gl-target
128 { -X [ GL_TEXTURE_CUBE_MAP_NEGATIVE_X ] }
129 { -Y [ GL_TEXTURE_CUBE_MAP_NEGATIVE_Y ] }
130 { -Z [ GL_TEXTURE_CUBE_MAP_NEGATIVE_Z ] }
131 { +X [ GL_TEXTURE_CUBE_MAP_POSITIVE_X ] }
132 { +Y [ GL_TEXTURE_CUBE_MAP_POSITIVE_Y ] }
133 { +Z [ GL_TEXTURE_CUBE_MAP_POSITIVE_Z ] }
136 : texture-gl-internal-format ( texture -- internal-format )
137 [ component-order>> ] [ component-type>> ] bi image-internal-format ; inline
139 : texture-data-gl-args ( texture data -- format type ptr )
142 [ [ component-order>> ] [ component-type>> ] bi image-data-format ]
145 [ component-order>> ] [ component-type>> ] bi image-data-format f
148 :: bind-tdt ( tdt -- texture )
149 tdt texture-object :> texture
150 texture [ texture-gl-target ] [ handle>> ] bi glBindTexture
153 : get-texture-float ( target level enum -- value )
154 0 <float> [ glGetTexLevelParameterfv ] keep *float ;
155 : get-texture-int ( target level enum -- value )
156 0 <int> [ glGetTexLevelParameteriv ] keep *int ;
158 : ?product ( x -- y )
159 dup number? [ product ] unless ;
163 GENERIC# allocate-texture 3 ( tdt level dim data -- )
165 M:: texture-1d-data-target allocate-texture ( tdt level dim data -- )
166 tdt bind-tdt :> texture
167 tdt texture-data-gl-target level texture texture-gl-internal-format
168 dim 0 texture data texture-data-gl-args
169 pixel-unpack-buffer [ glTexImage1D ] with-gpu-data-ptr ;
171 M:: texture-2d-data-target allocate-texture ( tdt level dim data -- )
172 tdt bind-tdt :> texture
173 tdt texture-data-gl-target level texture texture-gl-internal-format
174 dim first2 0 texture data texture-data-gl-args
175 pixel-unpack-buffer [ glTexImage2D ] with-gpu-data-ptr ;
177 M:: texture-3d-data-target allocate-texture ( tdt level dim data -- )
178 tdt bind-tdt :> texture
179 tdt texture-data-gl-target level texture texture-gl-internal-format
180 dim first3 0 texture data texture-data-gl-args
181 pixel-unpack-buffer [ glTexImage3D ] with-gpu-data-ptr ;
183 GENERIC# update-texture 4 ( tdt level loc dim data -- )
185 M:: texture-1d-data-target update-texture ( tdt level loc dim data -- )
186 tdt bind-tdt :> texture
187 tdt texture-data-gl-target level
188 loc dim texture data texture-data-gl-args
189 pixel-unpack-buffer [ glTexSubImage1D ] with-gpu-data-ptr ;
191 M:: texture-2d-data-target update-texture ( tdt level loc dim data -- )
192 tdt bind-tdt :> texture
193 tdt texture-data-gl-target level
194 loc dim [ first2 ] bi@
195 texture data texture-data-gl-args
196 pixel-unpack-buffer [ glTexSubImage2D ] with-gpu-data-ptr ;
198 M:: texture-3d-data-target update-texture ( tdt level loc dim data -- )
199 tdt bind-tdt :> texture
200 tdt texture-data-gl-target level
201 loc dim [ first3 ] bi@
202 texture data texture-data-gl-args
203 pixel-unpack-buffer [ glTexSubImage3D ] with-gpu-data-ptr ;
205 : image>texture-data ( image -- dim texture-data )
206 { [ dim>> ] [ bitmap>> ] [ component-order>> ] [ component-type>> ] } cleave
207 <texture-data> ; inline
209 GENERIC# texture-dim 1 ( tdt level -- dim )
211 M:: texture-1d-data-target texture-dim ( tdt level -- dim )
212 tdt bind-tdt :> texture
213 tdt texture-data-gl-target level GL_TEXTURE_WIDTH get-texture-int ;
215 M:: texture-2d-data-target texture-dim ( tdt level -- dim )
216 tdt bind-tdt :> texture
217 tdt texture-data-gl-target level
218 [ GL_TEXTURE_WIDTH get-texture-int ] [ GL_TEXTURE_HEIGHT get-texture-int ] 2bi
221 M:: texture-3d-data-target texture-dim ( tdt level -- dim )
222 tdt bind-tdt :> texture
223 tdt texture-data-gl-target level
224 [ GL_TEXTURE_WIDTH get-texture-int ]
225 [ GL_TEXTURE_HEIGHT get-texture-int ]
226 [ GL_TEXTURE_DEPTH get-texture-int ] 2tri
229 : texture-data-size ( tdt level -- size )
230 [ texture-dim ?product ] [ drop texture-object bytes-per-pixel ] 2bi * ;
232 :: read-texture-to ( tdt level gpu-data-ptr -- )
233 tdt bind-tdt :> texture
234 tdt texture-data-gl-target level
235 texture [ component-order>> ] [ component-type>> ] bi image-data-format
236 gpu-data-ptr pixel-pack-buffer [ glGetTexImage ] with-gpu-data-ptr ;
238 : read-texture ( tdt level -- byte-array )
239 2dup texture-data-size <byte-array>
240 [ read-texture-to ] keep ;
242 : allocate-texture-image ( tdt level image -- )
243 image>texture-data allocate-texture ;
245 : update-texture-image ( tdt level loc image -- )
246 image>texture-data update-texture ;
248 : read-texture-image ( tdt level -- image )
250 [ drop texture-object [ component-order>> ] [ component-type>> ] bi f ]
251 [ read-texture ] 2tri
255 : bind-texture ( texture -- gl-target )
256 [ texture-gl-target dup ] [ handle>> ] bi glBindTexture ;
259 : generate-mipmaps ( texture -- )
260 bind-texture glGenerateMipmap ;
262 : set-texture-parameters ( texture parameters -- )
263 [ bind-texture ] dip {
264 [ wrap>> set-texture-gl-wrap ]
266 [ GL_TEXTURE_MIN_FILTER ] dip
267 [ min-filter>> ] [ min-mipmap-filter>> ] bi gl-min-filter glTexParameteri
269 [ GL_TEXTURE_MAG_FILTER ] dip
270 mag-filter>> gl-mag-filter glTexParameteri
272 [ [ GL_TEXTURE_MIN_LOD ] dip min-lod>> glTexParameteri ]
273 [ [ GL_TEXTURE_MAX_LOD ] dip max-lod>> glTexParameteri ]
274 [ [ GL_TEXTURE_LOD_BIAS ] dip lod-bias>> glTexParameteri ]
275 [ [ GL_TEXTURE_BASE_LEVEL ] dip base-level>> glTexParameteri ]
276 [ [ GL_TEXTURE_MAX_LEVEL ] dip max-level>> glTexParameteri ]
281 : <texture> ( component-order component-type parameters class -- texture )
282 '[ [ gen-texture ] 2dip _ boa dup window-resource ] dip
283 [ T{ texture-parameters } clone ] unless* set-texture-parameters ; inline
287 : <texture-1d> ( component-order component-type parameters -- texture )
288 texture-1d <texture> ;
289 : <texture-2d> ( component-order component-type parameters -- texture )
290 texture-2d <texture> ;
291 : <texture-3d> ( component-order component-type parameters -- texture )
292 texture-3d <texture> ;
293 : <texture-cube-map> ( component-order component-type parameters -- texture )
294 texture-cube-map <texture> ;
295 : <texture-rectangle> ( component-order component-type parameters -- texture )
296 texture-rectangle <texture> ;
297 : <texture-1d-array> ( component-order component-type parameters -- texture )
298 texture-1d-array <texture> ;
299 : <texture-2d-array> ( component-order component-type parameters -- texture )
300 texture-2d-array <texture> ;