1 ! Copyright (C) 2009 Joe Groff.
2 ! See https://factorcode.org/license.txt for BSD license.
3 USING: accessors alien alien.c-types alien.data arrays assocs
4 classes classes.parser classes.struct classes.tuple
5 classes.tuple.private combinators combinators.tuple generic
6 generic.parser gpu.buffers gpu.framebuffers
7 gpu.framebuffers.private gpu.shaders gpu.shaders.private
8 gpu.textures gpu.textures.private kernel lexer math
9 math.parser math.vectors.simd opengl.gl parser quotations
10 sequences slots sorting specialized-arrays strings variants words ;
12 QUALIFIED-WITH: alien.c-types c
13 SPECIALIZED-ARRAYS: c:float c:int c:uchar c:ushort c:uint c:void* ;
48 ALIAS: mat2x2-uniform mat2-uniform
49 ALIAS: mat3x3-uniform mat3-uniform
50 ALIAS: mat4x4-uniform mat4-uniform
53 { name string read-only initial: "" }
54 { uniform-type class read-only initial: float-uniform }
55 { dim maybe{ integer } read-only initial: f } ;
63 { start integer read-only }
64 { count integer read-only } ;
66 C: <index-range> index-range
68 TUPLE: multi-index-range
69 { starts uint-array read-only }
70 { counts uint-array read-only } ;
72 C: <multi-index-range> multi-index-range
76 { count integer read-only }
77 { index-type index-type read-only } ;
79 C: <index-elements> index-elements
81 TUPLE: multi-index-elements
82 { buffer maybe{ buffer } read-only }
84 { counts uint-array read-only }
85 { index-type index-type read-only } ;
87 C: <multi-index-elements> multi-index-elements
98 VARIANT: primitive-mode
102 lines-with-adjacency-mode
103 line-strip-with-adjacency-mode
107 triangles-with-adjacency-mode
108 triangle-strip-with-adjacency-mode
111 TUPLE: uniform-tuple ;
113 ERROR: invalid-uniform-type uniform ;
117 : gl-index-type ( index-type -- gl-index-type )
119 { ubyte-indexes [ GL_UNSIGNED_BYTE ] }
120 { ushort-indexes [ GL_UNSIGNED_SHORT ] }
121 { uint-indexes [ GL_UNSIGNED_INT ] }
124 : gl-primitive-mode ( primitive-mode -- gl-primitive-mode )
126 { points-mode [ GL_POINTS ] }
127 { lines-mode [ GL_LINES ] }
128 { line-strip-mode [ GL_LINE_STRIP ] }
129 { line-loop-mode [ GL_LINE_LOOP ] }
130 { triangles-mode [ GL_TRIANGLES ] }
131 { triangle-strip-mode [ GL_TRIANGLE_STRIP ] }
132 { triangle-fan-mode [ GL_TRIANGLE_FAN ] }
133 { lines-with-adjacency-mode [ GL_LINES_ADJACENCY ] }
134 { line-strip-with-adjacency-mode [ GL_LINE_STRIP_ADJACENCY ] }
135 { triangles-with-adjacency-mode [ GL_TRIANGLES_ADJACENCY ] }
136 { triangle-strip-with-adjacency-mode [ GL_TRIANGLE_STRIP_ADJACENCY ] }
139 GENERIC: render-vertex-indexes ( primitive-mode vertex-indexes -- )
141 GENERIC#: render-vertex-indexes-instanced 1 ( primitive-mode vertex-indexes instances -- )
143 GENERIC: gl-array-element-type ( array -- type )
144 M: uchar-array gl-array-element-type drop GL_UNSIGNED_BYTE ; inline
145 M: ushort-array gl-array-element-type drop GL_UNSIGNED_SHORT ; inline
146 M: uint-array gl-array-element-type drop GL_UNSIGNED_INT ; inline
148 M: index-range render-vertex-indexes
149 [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] bi* glDrawArrays ;
151 M: index-range render-vertex-indexes-instanced
152 [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] [ ] tri*
153 glDrawArraysInstanced ;
155 M: multi-index-range render-vertex-indexes
156 [ gl-primitive-mode ] [ [ starts>> ] [ counts>> dup length ] bi ] bi*
159 M: index-elements render-vertex-indexes
160 [ gl-primitive-mode ]
161 [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ] bi*
162 index-buffer [ glDrawElements ] with-gpu-data-ptr ;
164 M: index-elements render-vertex-indexes-instanced
165 [ gl-primitive-mode ]
166 [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ]
168 swap index-buffer [ swap glDrawElementsInstanced ] with-gpu-data-ptr ;
170 M: specialized-array render-vertex-indexes
171 GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
172 [ gl-primitive-mode ]
173 [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ] bi*
176 M: specialized-array render-vertex-indexes-instanced
177 GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
178 [ gl-primitive-mode ]
179 [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ]
180 [ ] tri* glDrawElementsInstanced ;
182 M: multi-index-elements render-vertex-indexes
183 [ gl-primitive-mode ]
184 [ { [ counts>> ] [ index-type>> gl-index-type ] [ ptrs>> dup length ] [ buffer>> ] } cleave ]
186 GL_ELEMENT_ARRAY_BUFFER swap [ handle>> ] [ 0 ] if* glBindBuffer glMultiDrawElements ;
188 : (bind-texture-unit) ( texture texture-unit -- )
189 swap [ GL_TEXTURE0 + glActiveTexture ] [ bind-texture drop ] bi* ; inline
191 GENERIC: (bind-uniform-textures) ( program-instance uniform-tuple -- )
192 GENERIC: (bind-uniforms) ( program-instance uniform-tuple -- )
194 M: uniform-tuple (bind-uniform-textures)
196 M: uniform-tuple (bind-uniforms)
199 : uniform-slot-type ( uniform -- type )
200 dup dim>> [ drop sequence ] [
202 { bool-uniform [ boolean ] }
203 { uint-uniform [ integer ] }
204 { int-uniform [ integer ] }
205 { float-uniform [ float ] }
206 { texture-uniform [ texture ] }
211 : uniform>slot ( uniform -- slot )
212 [ name>> ] [ uniform-slot-type ] bi 2array ;
214 : uniform-type-texture-units ( uniform-type -- units )
215 dup texture-uniform = [ drop 1 ] [ "uniform-tuple-texture-units" word-prop 0 or ] if ;
217 : all-uniform-tuple-slots ( class -- slots )
218 dup "uniform-tuple-slots" word-prop
219 [ [ superclass-of all-uniform-tuple-slots ] dip append ] [ drop { } ] if* ;
221 DEFER: uniform-texture-accessors
223 : uniform-type-texture-accessors ( uniform-type -- accessors )
224 texture-uniform = [ { [ ] } ] [ { } ] if ;
226 : uniform-slot-texture-accessor ( uniform -- accessor )
227 [ name>> reader-word ] [ [ uniform-type>> ] [ dim>> ] bi uniform-texture-accessors ] bi
228 dup length 1 = [ first swap prefix ] [ [ ] 2sequence ] if ;
230 : uniform-tuple-texture-accessors ( uniform-type -- accessors )
231 all-uniform-tuple-slots [ uniform-type>> uniform-type-texture-units zero? ] reject
232 [ uniform-slot-texture-accessor ] map ;
234 : uniform-texture-accessors ( uniform-type dim -- accessors )
237 [ uniform-type-texture-accessors ]
238 [ uniform-tuple-texture-accessors ] if
240 2dup swap empty? not and [
242 [ swap nth ] swap prefix
243 over length 1 = [ swap first append ] [ swap suffix ] if
248 : texture-accessor>cleave ( unit accessors -- unit' cleaves )
250 [ [ last [ texture-accessor>cleave ] map ] [ but-last ] bi swap suffix \ cleave suffix ]
251 [ over suffix \ (bind-texture-unit) suffix [ 1 + ] dip ] if ;
253 : [bind-uniform-textures] ( class -- quot )
254 f uniform-texture-accessors
255 0 swap [ texture-accessor>cleave ] map nip
256 \ nip swap \ cleave [ ] 3sequence ;
259 c-ptr specialized-array struct simd-128 ;
261 GENERIC: >uniform-bool-array ( sequence -- c-array )
262 GENERIC: >uniform-int-array ( sequence -- c-array )
263 GENERIC: >uniform-uint-array ( sequence -- c-array )
264 GENERIC: >uniform-float-array ( sequence -- c-array )
266 GENERIC#: >uniform-bvec-array 1 ( sequence dim -- c-array )
267 GENERIC#: >uniform-ivec-array 1 ( sequence dim -- c-array )
268 GENERIC#: >uniform-uvec-array 1 ( sequence dim -- c-array )
269 GENERIC#: >uniform-vec-array 1 ( sequence dim -- c-array )
271 GENERIC#: >uniform-matrix 2 ( sequence cols rows -- c-array )
273 GENERIC#: >uniform-matrix-array 2 ( sequence cols rows -- c-array )
275 GENERIC: bind-uniform-bvec2 ( index sequence -- )
276 GENERIC: bind-uniform-bvec3 ( index sequence -- )
277 GENERIC: bind-uniform-bvec4 ( index sequence -- )
278 GENERIC: bind-uniform-ivec2 ( index sequence -- )
279 GENERIC: bind-uniform-ivec3 ( index sequence -- )
280 GENERIC: bind-uniform-ivec4 ( index sequence -- )
281 GENERIC: bind-uniform-uvec2 ( index sequence -- )
282 GENERIC: bind-uniform-uvec3 ( index sequence -- )
283 GENERIC: bind-uniform-uvec4 ( index sequence -- )
284 GENERIC: bind-uniform-vec2 ( index sequence -- )
285 GENERIC: bind-uniform-vec3 ( index sequence -- )
286 GENERIC: bind-uniform-vec4 ( index sequence -- )
288 M: object >uniform-bool-array [ >c-bool ] int-array{ } map-as ; inline
289 M: binary-data >uniform-bool-array ; inline
291 M: object >uniform-int-array c:int >c-array ; inline
292 M: binary-data >uniform-int-array ; inline
294 M: object >uniform-uint-array c:uint >c-array ; inline
295 M: binary-data >uniform-uint-array ; inline
297 M: object >uniform-float-array c:float >c-array ; inline
298 M: binary-data >uniform-float-array ; inline
300 M: object >uniform-bvec-array '[ _ head-slice [ >c-bool ] int-array{ } map-as ] map concat ; inline
301 M: binary-data >uniform-bvec-array drop ; inline
303 M: object >uniform-ivec-array '[ _ head ] map int-array{ } concat-as ; inline
304 M: binary-data >uniform-ivec-array drop ; inline
306 M: object >uniform-uvec-array '[ _ head ] map uint-array{ } concat-as ; inline
307 M: binary-data >uniform-uvec-array drop ; inline
309 M: object >uniform-vec-array '[ _ head ] map float-array{ } concat-as ; inline
310 M: binary-data >uniform-vec-array drop ; inline
312 M:: object >uniform-matrix ( sequence cols rows -- c-array )
313 sequence flip cols head-slice
314 [ rows head-slice c:float >c-array ] { } map-as concat ; inline
315 M: binary-data >uniform-matrix 2drop ; inline
317 M: object >uniform-matrix-array
318 '[ _ _ >uniform-matrix ] map concat ; inline
319 M: binary-data >uniform-matrix-array 2drop ; inline
321 M: object bind-uniform-bvec2 ( index sequence -- )
322 1 swap 2 head-slice [ >c-bool ] int-array{ } map-as glUniform2iv ; inline
323 M: binary-data bind-uniform-bvec2 ( index sequence -- )
324 1 swap glUniform2iv ; inline
325 M: object bind-uniform-bvec3 ( index sequence -- )
326 1 swap 3 head-slice [ >c-bool ] int-array{ } map-as glUniform3iv ; inline
327 M: binary-data bind-uniform-bvec3 ( index sequence -- )
328 1 swap glUniform3iv ; inline
329 M: object bind-uniform-bvec4 ( index sequence -- )
330 1 swap 4 head-slice [ >c-bool ] int-array{ } map-as glUniform4iv ; inline
331 M: binary-data bind-uniform-bvec4 ( index sequence -- )
332 1 swap glUniform4iv ; inline
334 M: object bind-uniform-ivec2 ( index sequence -- ) first2 glUniform2i ; inline
335 M: binary-data bind-uniform-ivec2 ( index sequence -- ) 1 swap glUniform2iv ; inline
337 M: object bind-uniform-ivec3 ( index sequence -- ) first3 glUniform3i ; inline
338 M: binary-data bind-uniform-ivec3 ( index sequence -- ) 1 swap glUniform3iv ; inline
340 M: object bind-uniform-ivec4 ( index sequence -- ) first4 glUniform4i ; inline
341 M: binary-data bind-uniform-ivec4 ( index sequence -- ) 1 swap glUniform4iv ; inline
343 M: object bind-uniform-uvec2 ( index sequence -- ) first2 glUniform2ui ; inline
344 M: binary-data bind-uniform-uvec2 ( index sequence -- ) 1 swap glUniform2uiv ; inline
346 M: object bind-uniform-uvec3 ( index sequence -- ) first3 glUniform3ui ; inline
347 M: binary-data bind-uniform-uvec3 ( index sequence -- ) 1 swap glUniform3uiv ; inline
349 M: object bind-uniform-uvec4 ( index sequence -- ) first4 glUniform4ui ; inline
350 M: binary-data bind-uniform-uvec4 ( index sequence -- ) 1 swap glUniform4uiv ; inline
352 M: object bind-uniform-vec2 ( index sequence -- ) first2 glUniform2f ; inline
353 M: binary-data bind-uniform-vec2 ( index sequence -- ) 1 swap glUniform2fv ; inline
355 M: object bind-uniform-vec3 ( index sequence -- ) first3 glUniform3f ; inline
356 M: binary-data bind-uniform-vec3 ( index sequence -- ) 1 swap glUniform3fv ; inline
358 M: object bind-uniform-vec4 ( index sequence -- ) first4 glUniform4f ; inline
359 M: binary-data bind-uniform-vec4 ( index sequence -- ) 1 swap glUniform4fv ; inline
361 DEFER: [bind-uniform-tuple]
363 :: [bind-uniform-array] ( value>>-quot type texture-unit name dim -- texture-unit' quot )
364 { name uniform-index } >quotation :> index-quot
365 { index-quot value>>-quot bi* } >quotation :> pre-quot
368 { bool-uniform { dim swap >uniform-bool-array glUniform1iv } }
369 { int-uniform { dim swap >uniform-int-array glUniform1iv } }
370 { uint-uniform { dim swap >uniform-uint-array glUniform1uiv } }
371 { float-uniform { dim swap >uniform-float-array glUniform1fv } }
373 { bvec2-uniform { dim swap 2 >uniform-bvec-array glUniform2iv } }
374 { ivec2-uniform { dim swap 2 >uniform-ivec-array glUniform2i } }
375 { uvec2-uniform { dim swap 2 >uniform-uvec-array glUniform2ui } }
376 { vec2-uniform { dim swap 2 >uniform-vec-array glUniform2f } }
378 { bvec3-uniform { dim swap 3 >uniform-bvec-array glUniform3iv } }
379 { ivec3-uniform { dim swap 3 >uniform-ivec-array glUniform3i } }
380 { uvec3-uniform { dim swap 3 >uniform-uvec-array glUniform3ui } }
381 { vec3-uniform { dim swap 3 >uniform-vec-array glUniform3f } }
383 { bvec4-uniform { dim swap 4 >uniform-bvec-array glUniform4iv } }
384 { ivec4-uniform { dim swap 4 >uniform-ivec-array glUniform4iv } }
385 { uvec4-uniform { dim swap 4 >uniform-uvec-array glUniform4uiv } }
386 { vec4-uniform { dim swap 4 >uniform-vec-array glUniform4fv } }
388 { mat2-uniform { [ dim 0 ] dip 2 2 >uniform-matrix-array glUniformMatrix2fv } }
389 { mat2x3-uniform { [ dim 0 ] dip 2 3 >uniform-matrix-array glUniformMatrix2x3fv } }
390 { mat2x4-uniform { [ dim 0 ] dip 2 4 >uniform-matrix-array glUniformMatrix2x4fv } }
392 { mat3x2-uniform { [ dim 0 ] dip 3 2 >uniform-matrix-array glUniformMatrix3x2fv } }
393 { mat3-uniform { [ dim 0 ] dip 3 3 >uniform-matrix-array glUniformMatrix3fv } }
394 { mat3x4-uniform { [ dim 0 ] dip 3 4 >uniform-matrix-array glUniformMatrix3x4fv } }
396 { mat4x2-uniform { [ dim 0 ] dip 4 2 >uniform-matrix-array glUniformMatrix4x2fv } }
397 { mat4x3-uniform { [ dim 0 ] dip 4 3 >uniform-matrix-array glUniformMatrix4x3fv } }
398 { mat4-uniform { [ dim 0 ] dip 4 4 >uniform-matrix-array glUniformMatrix4fv } }
400 { texture-uniform { drop dim dup <iota> [ texture-unit + ] int-array{ } map-as glUniform1iv } }
401 } at [ uniform invalid-uniform-type ] unless* >quotation :> value-quot
403 type uniform-type-texture-units dim * texture-unit +
404 pre-quot value-quot append ;
406 :: [bind-uniform-value] ( value>>-quot type texture-unit name -- texture-unit' quot )
407 { name uniform-index } >quotation :> index-quot
408 { index-quot value>>-quot bi* } >quotation :> pre-quot
411 { bool-uniform [ >c-bool glUniform1i ] }
412 { int-uniform [ glUniform1i ] }
413 { uint-uniform [ glUniform1ui ] }
414 { float-uniform [ glUniform1f ] }
416 { bvec2-uniform [ bind-uniform-bvec2 ] }
417 { ivec2-uniform [ bind-uniform-ivec2 ] }
418 { uvec2-uniform [ bind-uniform-uvec2 ] }
419 { vec2-uniform [ bind-uniform-vec2 ] }
421 { bvec3-uniform [ bind-uniform-bvec3 ] }
422 { ivec3-uniform [ bind-uniform-ivec3 ] }
423 { uvec3-uniform [ bind-uniform-uvec3 ] }
424 { vec3-uniform [ bind-uniform-vec3 ] }
426 { bvec4-uniform [ bind-uniform-bvec4 ] }
427 { ivec4-uniform [ bind-uniform-ivec4 ] }
428 { uvec4-uniform [ bind-uniform-uvec4 ] }
429 { vec4-uniform [ bind-uniform-vec4 ] }
431 { mat2-uniform [ [ 1 0 ] dip 2 2 >uniform-matrix glUniformMatrix2fv ] }
432 { mat2x3-uniform [ [ 1 0 ] dip 2 3 >uniform-matrix glUniformMatrix2x3fv ] }
433 { mat2x4-uniform [ [ 1 0 ] dip 2 4 >uniform-matrix glUniformMatrix2x4fv ] }
435 { mat3x2-uniform [ [ 1 0 ] dip 3 2 >uniform-matrix glUniformMatrix3x2fv ] }
436 { mat3-uniform [ [ 1 0 ] dip 3 3 >uniform-matrix glUniformMatrix3fv ] }
437 { mat3x4-uniform [ [ 1 0 ] dip 3 4 >uniform-matrix glUniformMatrix3x4fv ] }
439 { mat4x2-uniform [ [ 1 0 ] dip 4 2 >uniform-matrix glUniformMatrix4x2fv ] }
440 { mat4x3-uniform [ [ 1 0 ] dip 4 3 >uniform-matrix glUniformMatrix4x3fv ] }
441 { mat4-uniform [ [ 1 0 ] dip 4 4 >uniform-matrix glUniformMatrix4fv ] }
443 { texture-uniform { drop texture-unit glUniform1i } }
444 } at [ uniform invalid-uniform-type ] unless* >quotation :> value-quot
446 type uniform-type-texture-units texture-unit +
447 pre-quot value-quot append ;
449 :: [bind-uniform-struct] ( value>>-quot type texture-unit name dim -- texture-unit' quot )
453 [ [ [ swap nth ] swap prefix ] map ]
454 [ [ number>string name "[" append "]." surround ] map ] bi
457 name "." append 1array
458 ] if* :> ( quot-prefixes name-prefixes )
459 type all-uniform-tuple-slots :> uniforms
461 texture-unit quot-prefixes name-prefixes [| quot-prefix name-prefix |
462 uniforms name-prefix [bind-uniform-tuple]
464 ] 2map :> ( texture-unit' value-cleave )
467 value>>-quot { value-cleave 2cleave } append ;
469 :: [bind-uniform] ( texture-unit uniform prefix -- texture-unit' quot )
470 prefix uniform name>> append hyphens>underscores :> name
471 uniform uniform-type>> :> type
473 uniform name>> reader-word 1quotation :> value>>-quot
475 value>>-quot type texture-unit name {
476 { [ type uniform-type? dim and ] [ dim [bind-uniform-array] ] }
477 { [ type uniform-type? dim not and ] [ [bind-uniform-value] ] }
478 [ dim [bind-uniform-struct] ]
481 :: [bind-uniform-tuple] ( texture-unit uniforms prefix -- texture-unit' quot )
482 texture-unit uniforms [ prefix [bind-uniform] ] map :> ( texture-unit' uniforms-cleave )
485 { uniforms-cleave 2cleave } >quotation ;
487 :: [bind-uniforms] ( superclass uniforms -- quot )
488 superclass "uniform-tuple-texture-units" word-prop 0 or :> first-texture-unit
489 superclass \ (bind-uniforms) lookup-method :> next-method
490 first-texture-unit uniforms "" [bind-uniform-tuple] nip :> bind-quot
492 { 2dup next-method } bind-quot [ ] append-as ;
494 : define-uniform-tuple-methods ( class superclass uniforms -- )
497 [ \ (bind-uniform-textures) create-method-in ]
498 [ [bind-uniform-textures] ] bi define
500 [ \ (bind-uniforms) create-method-in ] 2dip
501 [bind-uniforms] define
504 : parse-uniform-tuple-definition ( -- class superclass uniforms )
505 scan-new-class scan-token {
506 { ";" [ uniform-tuple f ] }
507 { "<" [ scan-word parse-array-def [ first3 uniform boa ] map ] }
510 \ } parse-until parse-array-def swap prefix
511 [ first3 uniform boa ] map
515 : (define-uniform-tuple) ( class superclass uniforms -- )
517 [ [ uniform>slot ] map define-tuple-class ]
519 [ uniform-type-texture-units ]
521 [ [ uniform-type>> uniform-type-texture-units ] [ dim>> 1 or ] bi * ]
524 "uniform-tuple-texture-units" set-word-prop
526 [ nip "uniform-tuple-slots" set-word-prop ]
527 [ define-uniform-tuple-methods ]
530 : true-subclasses ( class -- seq )
531 [ subclasses ] keep [ = ] curry reject ;
535 : define-uniform-tuple ( class superclass uniforms -- )
536 (define-uniform-tuple) ; inline
538 SYNTAX: UNIFORM-TUPLE:
539 parse-uniform-tuple-definition define-uniform-tuple ;
543 : bind-unnamed-output-attachments ( framebuffer attachments -- )
544 [ gl-attachment ] with map
546 [ first glDrawBuffer ]
547 [ [ length ] [ c:int >c-array ] bi glDrawBuffers ] if ;
549 : bind-named-output-attachments ( program-instance framebuffer attachments -- )
550 rot '[ first _ swap output-index ] sort-by values
551 bind-unnamed-output-attachments ;
553 : bind-output-attachments ( program-instance framebuffer attachments -- )
555 [ bind-named-output-attachments ] [ nipd bind-unnamed-output-attachments ] if ;
557 GENERIC: bind-transform-feedback-output ( output -- )
559 M: buffer bind-transform-feedback-output
560 [ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip handle>> glBindBufferBase ; inline
562 M: buffer-range bind-transform-feedback-output
563 [ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip
564 [ handle>> ] [ offset>> ] [ size>> ] tri glBindBufferRange ; inline
566 M: buffer-ptr bind-transform-feedback-output
567 buffer-ptr>range bind-transform-feedback-output ; inline
569 : gl-feedback-primitive-mode ( primitive-mode -- gl-mode )
571 { points-mode [ GL_POINTS ] }
572 { lines-mode [ GL_LINES ] }
573 { line-strip-mode [ GL_LINES ] }
574 { line-loop-mode [ GL_LINES ] }
575 { triangles-mode [ GL_TRIANGLES ] }
576 { triangle-strip-mode [ GL_TRIANGLES ] }
577 { triangle-fan-mode [ GL_TRIANGLES ] }
582 UNION: transform-feedback-output buffer buffer-range POSTPONE: f ;
585 { primitive-mode primitive-mode read-only }
586 { vertex-array vertex-array initial: T{ vertex-array-collection } read-only }
587 { uniforms uniform-tuple read-only }
588 { indexes vertex-indexes initial: T{ index-range } read-only }
589 { instances maybe{ integer } initial: f read-only }
590 { framebuffer maybe{ any-framebuffer } initial: system-framebuffer read-only }
591 { output-attachments sequence initial: { default-attachment } read-only }
592 { transform-feedback-output transform-feedback-output initial: f read-only } ;
594 : <render-set> ( x quot-assoc -- render-set )
595 render-set swap 1make-tuple ; inline
597 : 2<render-set> ( x y quot-assoc -- render-set )
598 render-set swap 2make-tuple ; inline
600 : 3<render-set> ( x y z quot-assoc -- render-set )
601 render-set swap 3make-tuple ; inline
603 : bind-uniforms ( program-instance uniforms -- )
604 [ (bind-uniform-textures) ] [ (bind-uniforms) ] 2bi ; inline
606 : render ( render-set -- )
608 [ vertex-array>> program-instance>> handle>> glUseProgram ]
610 [ vertex-array>> program-instance>> ] [ uniforms>> ] bi
615 [ GL_DRAW_FRAMEBUFFER swap framebuffer-handle glBindFramebuffer ]
616 [ GL_DRAW_FRAMEBUFFER 0 glBindFramebuffer GL_RASTERIZER_DISCARD glEnable ] if*
619 [ vertex-array>> program-instance>> ]
621 [ output-attachments>> ] tri
622 bind-output-attachments
624 [ vertex-array>> bind-vertex-array ]
626 dup transform-feedback-output>> [
627 [ primitive-mode>> gl-feedback-primitive-mode glBeginTransformFeedback ]
628 [ bind-transform-feedback-output ] bi*
633 [ primitive-mode>> ] [ indexes>> ] [ instances>> ] tri
634 [ render-vertex-indexes-instanced ]
635 [ render-vertex-indexes ] if*
638 [ transform-feedback-output>> [ glEndTransformFeedback ] when ]
639 [ framebuffer>> [ GL_RASTERIZER_DISCARD glDisable ] unless ]