1 ! Copyright (C) 2009 Joe Groff.
2 ! See https://factorcode.org/license.txt for BSD license.
3 USING: accessors alien.c-types arrays byte-arrays combinators
4 destructors gpu gpu.buffers images kernel math
5 opengl.gl opengl.textures sequences
6 specialized-arrays typed ui.gadgets.worlds variants ;
7 FROM: alien.c-types => float ;
8 SPECIALIZED-ARRAY: float
11 TUPLE: texture < gpu-object
12 { component-order component-order read-only initial: RGBA }
13 { component-type component-type read-only initial: ubyte-components } ;
15 TUPLE: texture-1d < texture ;
16 TUPLE: texture-2d < texture ;
17 TUPLE: texture-rectangle < texture ;
18 TUPLE: texture-3d < texture ;
19 TUPLE: texture-cube-map < texture ;
21 TUPLE: texture-1d-array < texture ;
22 TUPLE: texture-2d-array < texture ;
24 VARIANT: cube-map-axis
28 { texture texture-cube-map read-only }
29 { axis cube-map-axis read-only } ;
30 C: <cube-map-face> cube-map-face
32 UNION: texture-1d-data-target
34 UNION: texture-2d-data-target
35 texture-2d texture-rectangle texture-1d-array cube-map-face ;
36 UNION: texture-3d-data-target
37 texture-3d texture-2d-array ;
38 UNION: texture-data-target
39 texture-1d-data-target texture-2d-data-target texture-3d-data-target ;
42 [ [ delete-texture ] when* f ] change-handle drop ;
46 { component-order component-order read-only initial: RGBA }
47 { component-type component-type read-only initial: ubyte-components } ;
49 C: <texture-data> texture-data
51 VARIANT: compressed-texture-format
52 DXT1-RGB DXT1-RGBA DXT3 DXT5
53 LATC1 LATC1-SIGNED LATC2 LATC2-SIGNED
54 RGTC1 RGTC1-SIGNED RGTC2 RGTC2-SIGNED ;
56 TUPLE: compressed-texture-data
58 { format compressed-texture-format read-only }
59 { length integer read-only } ;
61 C: <compressed-texture-data> compressed-texture-data
64 clamp-texcoord-to-edge clamp-texcoord-to-border repeat-texcoord repeat-texcoord-mirrored ;
65 VARIANT: texture-filter
66 filter-nearest filter-linear ;
68 UNION: wrap-set texture-wrap sequence ;
70 TUPLE: texture-parameters
71 { wrap wrap-set initial: { repeat-texcoord repeat-texcoord repeat-texcoord } }
72 { min-filter texture-filter initial: filter-nearest }
73 { min-mipmap-filter maybe{ texture-filter } initial: filter-linear }
74 { mag-filter texture-filter initial: filter-linear }
75 { min-lod integer initial: -1000 }
76 { max-lod integer initial: 1000 }
77 { lod-bias integer initial: 0 }
78 { base-level integer initial: 0 }
79 { max-level integer initial: 1000 } ;
83 GENERIC: texture-object ( texture-data-target -- texture )
84 M: cube-map-face texture-object
86 M: texture texture-object
89 : gl-compressed-texture-format ( format -- gl-format )
91 { DXT1-RGB [ GL_COMPRESSED_RGB_S3TC_DXT1_EXT ] }
92 { DXT1-RGBA [ GL_COMPRESSED_RGBA_S3TC_DXT1_EXT ] }
93 { DXT3 [ GL_COMPRESSED_RGBA_S3TC_DXT3_EXT ] }
94 { DXT5 [ GL_COMPRESSED_RGBA_S3TC_DXT5_EXT ] }
95 { RGTC1 [ GL_COMPRESSED_RED_RGTC1 ] }
96 { RGTC1-SIGNED [ GL_COMPRESSED_SIGNED_RED_RGTC1 ] }
97 { RGTC2 [ GL_COMPRESSED_RG_RGTC2 ] }
98 { RGTC2-SIGNED [ GL_COMPRESSED_SIGNED_RG_RGTC2 ] }
101 : gl-wrap ( wrap -- gl-wrap )
103 { clamp-texcoord-to-edge [ GL_CLAMP_TO_EDGE ] }
104 { clamp-texcoord-to-border [ GL_CLAMP_TO_BORDER ] }
105 { repeat-texcoord [ GL_REPEAT ] }
106 { repeat-texcoord-mirrored [ GL_MIRRORED_REPEAT ] }
109 : set-texture-gl-wrap ( target wraps -- )
110 dup sequence? [ 1array ] unless 3 over last pad-tail {
111 [ [ GL_TEXTURE_WRAP_S ] dip first gl-wrap glTexParameteri ]
112 [ [ GL_TEXTURE_WRAP_T ] dip second gl-wrap glTexParameteri ]
113 [ [ GL_TEXTURE_WRAP_R ] dip third gl-wrap glTexParameteri ]
116 : gl-mag-filter ( filter -- gl-filter )
118 { filter-nearest [ GL_NEAREST ] }
119 { filter-linear [ GL_LINEAR ] }
122 : gl-min-filter ( filter mipmap-filter -- gl-filter )
124 { { filter-nearest f } [ GL_NEAREST ] }
125 { { filter-linear f } [ GL_LINEAR ] }
126 { { filter-nearest filter-nearest } [ GL_NEAREST_MIPMAP_NEAREST ] }
127 { { filter-linear filter-nearest } [ GL_LINEAR_MIPMAP_NEAREST ] }
128 { { filter-linear filter-linear } [ GL_LINEAR_MIPMAP_LINEAR ] }
129 { { filter-nearest filter-linear } [ GL_NEAREST_MIPMAP_LINEAR ] }
132 GENERIC: texture-gl-target ( texture -- target )
133 GENERIC: texture-data-gl-target ( texture -- target )
135 M: texture-1d texture-gl-target drop GL_TEXTURE_1D ; inline
136 M: texture-2d texture-gl-target drop GL_TEXTURE_2D ; inline
137 M: texture-rectangle texture-gl-target drop GL_TEXTURE_RECTANGLE ; inline
138 M: texture-3d texture-gl-target drop GL_TEXTURE_3D ; inline
139 M: texture-cube-map texture-gl-target drop GL_TEXTURE_CUBE_MAP ; inline
140 M: texture-1d-array texture-gl-target drop GL_TEXTURE_1D_ARRAY ; inline
141 M: texture-2d-array texture-gl-target drop GL_TEXTURE_2D_ARRAY ; inline
143 M: texture-1d texture-data-gl-target drop GL_TEXTURE_1D ; inline
144 M: texture-2d texture-data-gl-target drop GL_TEXTURE_2D ; inline
145 M: texture-rectangle texture-data-gl-target drop GL_TEXTURE_RECTANGLE ; inline
146 M: texture-3d texture-data-gl-target drop GL_TEXTURE_3D ; inline
147 M: texture-1d-array texture-data-gl-target drop GL_TEXTURE_1D_ARRAY ; inline
148 M: texture-2d-array texture-data-gl-target drop GL_TEXTURE_2D_ARRAY ; inline
149 M: cube-map-face texture-data-gl-target
151 { -X [ GL_TEXTURE_CUBE_MAP_NEGATIVE_X ] }
152 { -Y [ GL_TEXTURE_CUBE_MAP_NEGATIVE_Y ] }
153 { -Z [ GL_TEXTURE_CUBE_MAP_NEGATIVE_Z ] }
154 { +X [ GL_TEXTURE_CUBE_MAP_POSITIVE_X ] }
155 { +Y [ GL_TEXTURE_CUBE_MAP_POSITIVE_Y ] }
156 { +Z [ GL_TEXTURE_CUBE_MAP_POSITIVE_Z ] }
159 : texture-gl-internal-format ( texture -- internal-format )
160 [ component-order>> ] [ component-type>> ] bi image-internal-format ; inline
162 : texture-data-gl-args ( texture data -- format type ptr )
165 [ [ component-order>> ] [ component-type>> ] bi image-data-format ]
168 [ component-order>> ] [ component-type>> ] bi image-data-format f
171 :: bind-tdt ( tdt -- texture )
172 tdt texture-object :> texture
173 texture [ texture-gl-target ] [ handle>> ] bi glBindTexture
176 : ?product ( x -- y )
177 dup number? [ product ] unless ; inline
179 :: (allocate-texture) ( tdt level dim data dim-quot teximage-quot -- )
180 tdt bind-tdt :> texture
181 tdt texture-data-gl-target level texture texture-gl-internal-format
182 dim dim-quot call 0 texture data texture-data-gl-args
183 pixel-unpack-buffer teximage-quot with-gpu-data-ptr ; inline
185 :: (allocate-compressed-texture) ( tdt level dim compressed-data dim-quot teximage-quot -- )
186 tdt bind-tdt :> texture
187 tdt texture-data-gl-target level compressed-data format>> gl-compressed-texture-format
188 dim dim-quot call 0 compressed-data [ length>> ] [ ptr>> ] bi
189 pixel-unpack-buffer teximage-quot with-gpu-data-ptr ; inline
191 :: (update-texture) ( tdt level loc dim data dim-quot texsubimage-quot -- )
192 tdt bind-tdt :> texture
193 tdt texture-data-gl-target level
195 texture data texture-data-gl-args
196 pixel-unpack-buffer texsubimage-quot with-gpu-data-ptr ; inline
198 :: (update-compressed-texture) ( tdt level loc dim compressed-data dim-quot texsubimage-quot -- )
199 tdt bind-tdt :> texture
200 tdt texture-data-gl-target level
202 compressed-data [ format>> gl-compressed-texture-format ] [ length>> ] [ ptr>> ] tri
203 pixel-unpack-buffer texsubimage-quot with-gpu-data-ptr ; inline
207 GENERIC#: allocate-texture 3 ( tdt level dim data -- )
209 M: texture-1d-data-target allocate-texture ( tdt level dim data -- )
210 [ ] [ glTexImage1D ] (allocate-texture) ;
212 M: texture-2d-data-target allocate-texture ( tdt level dim data -- )
213 [ first2 ] [ glTexImage2D ] (allocate-texture) ;
215 M: texture-3d-data-target allocate-texture ( tdt level dim data -- )
216 [ first3 ] [ glTexImage3D ] (allocate-texture) ;
218 GENERIC#: allocate-compressed-texture 3 ( tdt level dim compressed-data -- )
220 M: texture-1d-data-target allocate-compressed-texture ( tdt level dim compressed-data -- )
221 [ ] [ glCompressedTexImage1D ] (allocate-compressed-texture) ;
223 M: texture-2d-data-target allocate-compressed-texture ( tdt level dim compressed-data -- )
224 [ first2 ] [ glCompressedTexImage2D ] (allocate-compressed-texture) ;
226 M: texture-3d-data-target allocate-compressed-texture ( tdt level dim compressed-data -- )
227 [ first3 ] [ glCompressedTexImage3D ] (allocate-compressed-texture) ;
229 GENERIC#: update-texture 4 ( tdt level loc dim data -- )
231 M: texture-1d-data-target update-texture ( tdt level loc dim data -- )
232 [ ] [ glTexSubImage1D ] (update-texture) ;
234 M: texture-2d-data-target update-texture ( tdt level loc dim data -- )
235 [ first2 ] [ glTexSubImage2D ] (update-texture) ;
237 M: texture-3d-data-target update-texture ( tdt level loc dim data -- )
238 [ first3 ] [ glTexSubImage3D ] (update-texture) ;
240 GENERIC#: update-compressed-texture 4 ( tdt level loc dim compressed-data -- )
242 M: texture-1d-data-target update-compressed-texture ( tdt level loc dim compressed-data -- )
243 [ ] [ glCompressedTexSubImage1D ] (update-compressed-texture) ;
245 M: texture-2d-data-target update-compressed-texture ( tdt level loc dim compressed-data -- )
246 [ first2 ] [ glCompressedTexSubImage2D ] (update-compressed-texture) ;
248 M: texture-3d-data-target update-compressed-texture ( tdt level loc dim compressed-data -- )
249 [ first3 ] [ glCompressedTexSubImage3D ] (update-compressed-texture) ;
251 : image>texture-data ( image -- dim texture-data )
252 { [ dim>> ] [ bitmap>> ] [ component-order>> ] [ component-type>> ] } cleave
253 <texture-data> ; inline
255 GENERIC#: texture-dim 1 ( tdt level -- dim )
257 M:: texture-1d-data-target texture-dim ( tdt level -- dim )
258 tdt bind-tdt :> texture
259 tdt texture-data-gl-target level GL_TEXTURE_WIDTH get-texture-int ; inline
261 M:: texture-2d-data-target texture-dim ( tdt level -- dim )
262 tdt bind-tdt :> texture
263 tdt texture-data-gl-target level
264 [ GL_TEXTURE_WIDTH get-texture-int ] [ GL_TEXTURE_HEIGHT get-texture-int ] 2bi
267 M:: texture-3d-data-target texture-dim ( tdt level -- dim )
268 tdt bind-tdt :> texture
269 tdt texture-data-gl-target level
270 [ GL_TEXTURE_WIDTH get-texture-int ]
271 [ GL_TEXTURE_HEIGHT get-texture-int ]
272 [ GL_TEXTURE_DEPTH get-texture-int ] 2tri
275 : compressed-texture-data-size ( tdt level -- size )
276 [ [ bind-tdt drop ] [ texture-data-gl-target ] bi ] dip
277 GL_TEXTURE_COMPRESSED_IMAGE_SIZE get-texture-int ; inline
279 : texture-data-size ( tdt level -- size )
280 [ texture-dim ?product ] [ drop texture-object bytes-per-pixel ] 2bi * ; inline
282 TYPED:: read-texture-to ( tdt: texture-data-target level: integer gpu-data-ptr -- )
283 tdt bind-tdt :> texture
284 tdt texture-data-gl-target level
285 texture [ component-order>> ] [ component-type>> ] bi image-data-format
286 gpu-data-ptr pixel-pack-buffer [ glGetTexImage ] with-gpu-data-ptr ;
288 TYPED: read-texture ( tdt: texture-data-target level: integer -- byte-array: byte-array )
289 2dup texture-data-size (byte-array)
290 [ read-texture-to ] keep ;
292 TYPED:: read-compressed-texture-to ( tdt: texture-data-target level: integer gpu-data-ptr -- )
293 tdt bind-tdt :> texture
294 tdt texture-data-gl-target level
295 gpu-data-ptr pixel-pack-buffer [ glGetCompressedTexImage ] with-gpu-data-ptr ;
297 TYPED: read-compressed-texture ( tdt: texture-data-target level: integer -- byte-array: byte-array )
298 2dup compressed-texture-data-size (byte-array)
299 [ read-compressed-texture-to ] keep ;
301 : allocate-texture-image ( tdt level image -- )
302 image>texture-data allocate-texture ; inline
304 : update-texture-image ( tdt level loc image -- )
305 image>texture-data update-texture ; inline
307 : read-texture-image ( tdt level -- image )
309 [ drop texture-object [ component-order>> ] [ component-type>> ] bi f f ]
310 [ read-texture ] 2tri
314 : bind-texture ( texture -- gl-target )
315 [ texture-gl-target dup ] [ handle>> ] bi glBindTexture ; inline
318 : generate-mipmaps ( texture -- )
319 bind-texture glGenerateMipmap ; inline
321 TYPED: set-texture-parameters ( texture: texture parameters: texture-parameters -- )
322 [ bind-texture ] dip {
323 [ wrap>> set-texture-gl-wrap ]
325 [ GL_TEXTURE_MIN_FILTER ] dip
326 [ min-filter>> ] [ min-mipmap-filter>> ] bi gl-min-filter glTexParameteri
328 [ GL_TEXTURE_MAG_FILTER ] dip
329 mag-filter>> gl-mag-filter glTexParameteri
331 [ [ GL_TEXTURE_MIN_LOD ] dip min-lod>> glTexParameteri ]
332 [ [ GL_TEXTURE_MAX_LOD ] dip max-lod>> glTexParameteri ]
333 [ [ GL_TEXTURE_LOD_BIAS ] dip lod-bias>> glTexParameteri ]
334 [ [ GL_TEXTURE_BASE_LEVEL ] dip base-level>> glTexParameteri ]
335 [ [ GL_TEXTURE_MAX_LEVEL ] dip max-level>> glTexParameteri ]
340 : <texture> ( component-order component-type parameters class -- texture )
341 '[ [ gen-texture ] 2dip _ boa dup window-resource ] dip
342 [ T{ texture-parameters } clone ] unless* set-texture-parameters ; inline
346 : <texture-1d> ( component-order component-type parameters -- texture )
347 texture-1d <texture> ; inline
348 : <texture-2d> ( component-order component-type parameters -- texture )
349 texture-2d <texture> ; inline
350 : <texture-3d> ( component-order component-type parameters -- texture )
351 texture-3d <texture> ; inline
352 : <texture-cube-map> ( component-order component-type parameters -- texture )
353 texture-cube-map <texture> ; inline
354 : <texture-rectangle> ( component-order component-type parameters -- texture )
355 texture-rectangle <texture> ; inline
356 : <texture-1d-array> ( component-order component-type parameters -- texture )
357 texture-1d-array <texture> ; inline
358 : <texture-2d-array> ( component-order component-type parameters -- texture )
359 texture-2d-array <texture> ; inline