1 ! (c)2009 Joe Groff bsd license
2 USING: accessors alien alien.c-types alien.data arrays
3 assocs classes classes.mixin classes.parser classes.singleton classes.struct
4 classes.tuple classes.tuple.private combinators combinators.tuple destructors fry
5 generic generic.parser gpu gpu.buffers gpu.framebuffers
6 gpu.framebuffers.private gpu.shaders gpu.shaders.private gpu.state
7 gpu.textures gpu.textures.private math.floats.half images kernel
8 lexer locals math math.order math.parser namespaces opengl
9 opengl.gl parser quotations sequences slots sorting
10 specialized-arrays strings ui.gadgets.worlds variants
11 vocabs.parser words math.vectors.simd ;
13 QUALIFIED-WITH: alien.c-types c
14 SPECIALIZED-ARRAYS: c:float c:int c:uchar c:ushort c:uint c:void* ;
49 ALIAS: mat2x2-uniform mat2-uniform
50 ALIAS: mat3x3-uniform mat3-uniform
51 ALIAS: mat4x4-uniform mat4-uniform
54 { name string read-only initial: "" }
55 { uniform-type class read-only initial: float-uniform }
56 { dim maybe{ integer } read-only initial: f } ;
64 { start integer read-only }
65 { count integer read-only } ;
67 C: <index-range> index-range
69 TUPLE: multi-index-range
70 { starts uint-array read-only }
71 { counts uint-array read-only } ;
73 C: <multi-index-range> multi-index-range
77 { count integer read-only }
78 { index-type index-type read-only } ;
80 C: <index-elements> index-elements
82 TUPLE: multi-index-elements
83 { buffer maybe{ buffer } read-only }
85 { counts uint-array read-only }
86 { index-type index-type read-only } ;
88 C: <multi-index-elements> multi-index-elements
99 VARIANT: primitive-mode
103 lines-with-adjacency-mode
104 line-strip-with-adjacency-mode
108 triangles-with-adjacency-mode
109 triangle-strip-with-adjacency-mode
112 TUPLE: uniform-tuple ;
114 ERROR: invalid-uniform-type uniform ;
118 : gl-index-type ( index-type -- gl-index-type )
120 { ubyte-indexes [ GL_UNSIGNED_BYTE ] }
121 { ushort-indexes [ GL_UNSIGNED_SHORT ] }
122 { uint-indexes [ GL_UNSIGNED_INT ] }
125 : gl-primitive-mode ( primitive-mode -- gl-primitive-mode )
127 { points-mode [ GL_POINTS ] }
128 { lines-mode [ GL_LINES ] }
129 { line-strip-mode [ GL_LINE_STRIP ] }
130 { line-loop-mode [ GL_LINE_LOOP ] }
131 { triangles-mode [ GL_TRIANGLES ] }
132 { triangle-strip-mode [ GL_TRIANGLE_STRIP ] }
133 { triangle-fan-mode [ GL_TRIANGLE_FAN ] }
134 { lines-with-adjacency-mode [ GL_LINES_ADJACENCY ] }
135 { line-strip-with-adjacency-mode [ GL_LINE_STRIP_ADJACENCY ] }
136 { triangles-with-adjacency-mode [ GL_TRIANGLES_ADJACENCY ] }
137 { triangle-strip-with-adjacency-mode [ GL_TRIANGLE_STRIP_ADJACENCY ] }
140 GENERIC: render-vertex-indexes ( primitive-mode vertex-indexes -- )
142 GENERIC# render-vertex-indexes-instanced 1 ( primitive-mode vertex-indexes instances -- )
144 GENERIC: gl-array-element-type ( array -- type )
145 M: uchar-array gl-array-element-type drop GL_UNSIGNED_BYTE ; inline
146 M: ushort-array gl-array-element-type drop GL_UNSIGNED_SHORT ; inline
147 M: uint-array gl-array-element-type drop GL_UNSIGNED_INT ; inline
149 M: index-range render-vertex-indexes
150 [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] bi* glDrawArrays ;
152 M: index-range render-vertex-indexes-instanced
153 [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] [ ] tri*
154 glDrawArraysInstanced ;
156 M: multi-index-range render-vertex-indexes
157 [ gl-primitive-mode ] [ [ starts>> ] [ counts>> dup length ] bi ] bi*
160 M: index-elements render-vertex-indexes
161 [ gl-primitive-mode ]
162 [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ] bi*
163 index-buffer [ glDrawElements ] with-gpu-data-ptr ;
165 M: index-elements render-vertex-indexes-instanced
166 [ gl-primitive-mode ]
167 [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ]
169 swap index-buffer [ swap glDrawElementsInstanced ] with-gpu-data-ptr ;
171 M: specialized-array render-vertex-indexes
172 GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
173 [ gl-primitive-mode ]
174 [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ] bi*
177 M: specialized-array render-vertex-indexes-instanced
178 GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
179 [ gl-primitive-mode ]
180 [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ]
181 [ ] tri* glDrawElementsInstanced ;
183 M: multi-index-elements render-vertex-indexes
184 [ gl-primitive-mode ]
185 [ { [ counts>> ] [ index-type>> gl-index-type ] [ ptrs>> dup length ] [ buffer>> ] } cleave ]
187 GL_ELEMENT_ARRAY_BUFFER swap [ handle>> ] [ 0 ] if* glBindBuffer glMultiDrawElements ;
189 : (bind-texture-unit) ( texture texture-unit -- )
190 swap [ GL_TEXTURE0 + glActiveTexture ] [ bind-texture drop ] bi* ; inline
192 GENERIC: (bind-uniform-textures) ( program-instance uniform-tuple -- )
193 GENERIC: (bind-uniforms) ( program-instance uniform-tuple -- )
195 M: uniform-tuple (bind-uniform-textures)
197 M: uniform-tuple (bind-uniforms)
200 : uniform-slot-type ( uniform -- type )
201 dup dim>> [ drop sequence ] [
203 { bool-uniform [ boolean ] }
204 { uint-uniform [ integer ] }
205 { int-uniform [ integer ] }
206 { float-uniform [ float ] }
207 { texture-uniform [ texture ] }
212 : uniform>slot ( uniform -- slot )
213 [ name>> ] [ uniform-slot-type ] bi 2array ;
215 : uniform-type-texture-units ( uniform-type -- units )
216 dup texture-uniform = [ drop 1 ] [ "uniform-tuple-texture-units" word-prop 0 or ] if ;
218 : all-uniform-tuple-slots ( class -- slots )
219 dup "uniform-tuple-slots" word-prop
220 [ [ superclass all-uniform-tuple-slots ] dip append ] [ drop { } ] if* ;
222 DEFER: uniform-texture-accessors
224 : uniform-type-texture-accessors ( uniform-type -- accessors )
225 texture-uniform = [ { [ ] } ] [ { } ] if ;
227 : uniform-slot-texture-accessor ( uniform -- accessor )
228 [ name>> reader-word ] [ [ uniform-type>> ] [ dim>> ] bi uniform-texture-accessors ] bi
229 dup length 1 = [ first swap prefix ] [ [ ] 2sequence ] if ;
231 : uniform-tuple-texture-accessors ( uniform-type -- accessors )
232 all-uniform-tuple-slots [ uniform-type>> uniform-type-texture-units zero? ] reject
233 [ uniform-slot-texture-accessor ] map ;
235 : uniform-texture-accessors ( uniform-type dim -- accessors )
238 [ uniform-type-texture-accessors ]
239 [ uniform-tuple-texture-accessors ] if
241 2dup swap empty? not and [
243 [ swap nth ] swap prefix
244 over length 1 = [ swap first append ] [ swap suffix ] if
249 : texture-accessor>cleave ( unit accessors -- unit' cleaves )
251 [ [ last [ texture-accessor>cleave ] map ] [ but-last ] bi swap suffix \ cleave suffix ]
252 [ over suffix \ (bind-texture-unit) suffix [ 1 + ] dip ] if ;
254 : [bind-uniform-textures] ( class -- quot )
255 f uniform-texture-accessors
256 0 swap [ texture-accessor>cleave ] map nip
257 \ nip swap \ cleave [ ] 3sequence ;
260 c-ptr specialized-array struct simd-128 ;
262 GENERIC: >uniform-bool-array ( sequence -- c-array )
263 GENERIC: >uniform-int-array ( sequence -- c-array )
264 GENERIC: >uniform-uint-array ( sequence -- c-array )
265 GENERIC: >uniform-float-array ( sequence -- c-array )
267 GENERIC# >uniform-bvec-array 1 ( sequence dim -- c-array )
268 GENERIC# >uniform-ivec-array 1 ( sequence dim -- c-array )
269 GENERIC# >uniform-uvec-array 1 ( sequence dim -- c-array )
270 GENERIC# >uniform-vec-array 1 ( sequence dim -- c-array )
272 GENERIC# >uniform-matrix 2 ( sequence cols rows -- c-array )
274 GENERIC# >uniform-matrix-array 2 ( sequence cols rows -- c-array )
276 GENERIC: bind-uniform-bvec2 ( index sequence -- )
277 GENERIC: bind-uniform-bvec3 ( index sequence -- )
278 GENERIC: bind-uniform-bvec4 ( index sequence -- )
279 GENERIC: bind-uniform-ivec2 ( index sequence -- )
280 GENERIC: bind-uniform-ivec3 ( index sequence -- )
281 GENERIC: bind-uniform-ivec4 ( index sequence -- )
282 GENERIC: bind-uniform-uvec2 ( index sequence -- )
283 GENERIC: bind-uniform-uvec3 ( index sequence -- )
284 GENERIC: bind-uniform-uvec4 ( index sequence -- )
285 GENERIC: bind-uniform-vec2 ( index sequence -- )
286 GENERIC: bind-uniform-vec3 ( index sequence -- )
287 GENERIC: bind-uniform-vec4 ( index sequence -- )
289 M: object >uniform-bool-array [ >c-bool ] int-array{ } map-as ; inline
290 M: binary-data >uniform-bool-array ; inline
292 M: object >uniform-int-array c:int >c-array ; inline
293 M: binary-data >uniform-int-array ; inline
295 M: object >uniform-uint-array c:uint >c-array ; inline
296 M: binary-data >uniform-uint-array ; inline
298 M: object >uniform-float-array c:float >c-array ; inline
299 M: binary-data >uniform-float-array ; inline
301 M: object >uniform-bvec-array '[ _ head-slice [ >c-bool ] int-array{ } map-as ] map concat ; inline
302 M: binary-data >uniform-bvec-array drop ; inline
304 M: object >uniform-ivec-array '[ _ head ] map int-array{ } concat-as ; inline
305 M: binary-data >uniform-ivec-array drop ; inline
307 M: object >uniform-uvec-array '[ _ head ] map uint-array{ } concat-as ; inline
308 M: binary-data >uniform-uvec-array drop ; inline
310 M: object >uniform-vec-array '[ _ head ] map float-array{ } concat-as ; inline
311 M: binary-data >uniform-vec-array drop ; inline
313 M:: object >uniform-matrix ( sequence cols rows -- c-array )
314 sequence flip cols head-slice
315 [ rows head-slice c:float >c-array ] { } map-as concat ; inline
316 M: binary-data >uniform-matrix 2drop ; inline
318 M: object >uniform-matrix-array
319 '[ _ _ >uniform-matrix ] map concat ; inline
320 M: binary-data >uniform-matrix-array 2drop ; inline
322 M: object bind-uniform-bvec2 ( index sequence -- )
323 1 swap 2 head-slice [ >c-bool ] int-array{ } map-as glUniform2iv ; inline
324 M: binary-data bind-uniform-bvec2 ( index sequence -- )
325 1 swap glUniform2iv ; inline
326 M: object bind-uniform-bvec3 ( index sequence -- )
327 1 swap 3 head-slice [ >c-bool ] int-array{ } map-as glUniform3iv ; inline
328 M: binary-data bind-uniform-bvec3 ( index sequence -- )
329 1 swap glUniform3iv ; inline
330 M: object bind-uniform-bvec4 ( index sequence -- )
331 1 swap 4 head-slice [ >c-bool ] int-array{ } map-as glUniform4iv ; inline
332 M: binary-data bind-uniform-bvec4 ( index sequence -- )
333 1 swap glUniform4iv ; inline
335 M: object bind-uniform-ivec2 ( index sequence -- ) first2 glUniform2i ; inline
336 M: binary-data bind-uniform-ivec2 ( index sequence -- ) 1 swap glUniform2iv ; inline
338 M: object bind-uniform-ivec3 ( index sequence -- ) first3 glUniform3i ; inline
339 M: binary-data bind-uniform-ivec3 ( index sequence -- ) 1 swap glUniform3iv ; inline
341 M: object bind-uniform-ivec4 ( index sequence -- ) first4 glUniform4i ; inline
342 M: binary-data bind-uniform-ivec4 ( index sequence -- ) 1 swap glUniform4iv ; inline
344 M: object bind-uniform-uvec2 ( index sequence -- ) first2 glUniform2ui ; inline
345 M: binary-data bind-uniform-uvec2 ( index sequence -- ) 1 swap glUniform2uiv ; inline
347 M: object bind-uniform-uvec3 ( index sequence -- ) first3 glUniform3ui ; inline
348 M: binary-data bind-uniform-uvec3 ( index sequence -- ) 1 swap glUniform3uiv ; inline
350 M: object bind-uniform-uvec4 ( index sequence -- ) first4 glUniform4ui ; inline
351 M: binary-data bind-uniform-uvec4 ( index sequence -- ) 1 swap glUniform4uiv ; inline
353 M: object bind-uniform-vec2 ( index sequence -- ) first2 glUniform2f ; inline
354 M: binary-data bind-uniform-vec2 ( index sequence -- ) 1 swap glUniform2fv ; inline
356 M: object bind-uniform-vec3 ( index sequence -- ) first3 glUniform3f ; inline
357 M: binary-data bind-uniform-vec3 ( index sequence -- ) 1 swap glUniform3fv ; inline
359 M: object bind-uniform-vec4 ( index sequence -- ) first4 glUniform4f ; inline
360 M: binary-data bind-uniform-vec4 ( index sequence -- ) 1 swap glUniform4fv ; inline
362 DEFER: [bind-uniform-tuple]
364 :: [bind-uniform-array] ( value>>-quot type texture-unit name dim -- texture-unit' quot )
365 { name uniform-index } >quotation :> index-quot
366 { index-quot value>>-quot bi* } >quotation :> pre-quot
369 { bool-uniform { dim swap >uniform-bool-array glUniform1iv } }
370 { int-uniform { dim swap >uniform-int-array glUniform1iv } }
371 { uint-uniform { dim swap >uniform-uint-array glUniform1uiv } }
372 { float-uniform { dim swap >uniform-float-array glUniform1fv } }
374 { bvec2-uniform { dim swap 2 >uniform-bvec-array glUniform2iv } }
375 { ivec2-uniform { dim swap 2 >uniform-ivec-array glUniform2i } }
376 { uvec2-uniform { dim swap 2 >uniform-uvec-array glUniform2ui } }
377 { vec2-uniform { dim swap 2 >uniform-vec-array glUniform2f } }
379 { bvec3-uniform { dim swap 3 >uniform-bvec-array glUniform3iv } }
380 { ivec3-uniform { dim swap 3 >uniform-ivec-array glUniform3i } }
381 { uvec3-uniform { dim swap 3 >uniform-uvec-array glUniform3ui } }
382 { vec3-uniform { dim swap 3 >uniform-vec-array glUniform3f } }
384 { bvec4-uniform { dim swap 4 >uniform-bvec-array glUniform4iv } }
385 { ivec4-uniform { dim swap 4 >uniform-ivec-array glUniform4iv } }
386 { uvec4-uniform { dim swap 4 >uniform-uvec-array glUniform4uiv } }
387 { vec4-uniform { dim swap 4 >uniform-vec-array glUniform4fv } }
389 { mat2-uniform { [ dim 0 ] dip 2 2 >uniform-matrix-array glUniformMatrix2fv } }
390 { mat2x3-uniform { [ dim 0 ] dip 2 3 >uniform-matrix-array glUniformMatrix2x3fv } }
391 { mat2x4-uniform { [ dim 0 ] dip 2 4 >uniform-matrix-array glUniformMatrix2x4fv } }
393 { mat3x2-uniform { [ dim 0 ] dip 3 2 >uniform-matrix-array glUniformMatrix3x2fv } }
394 { mat3-uniform { [ dim 0 ] dip 3 3 >uniform-matrix-array glUniformMatrix3fv } }
395 { mat3x4-uniform { [ dim 0 ] dip 3 4 >uniform-matrix-array glUniformMatrix3x4fv } }
397 { mat4x2-uniform { [ dim 0 ] dip 4 2 >uniform-matrix-array glUniformMatrix4x2fv } }
398 { mat4x3-uniform { [ dim 0 ] dip 4 3 >uniform-matrix-array glUniformMatrix4x3fv } }
399 { mat4-uniform { [ dim 0 ] dip 4 4 >uniform-matrix-array glUniformMatrix4fv } }
401 { texture-uniform { drop dim dup iota [ texture-unit + ] int-array{ } map-as glUniform1iv } }
402 } at [ uniform invalid-uniform-type ] unless* >quotation :> value-quot
404 type uniform-type-texture-units dim * texture-unit +
405 pre-quot value-quot append ;
407 :: [bind-uniform-value] ( value>>-quot type texture-unit name -- texture-unit' quot )
408 { name uniform-index } >quotation :> index-quot
409 { index-quot value>>-quot bi* } >quotation :> pre-quot
412 { bool-uniform [ >c-bool glUniform1i ] }
413 { int-uniform [ glUniform1i ] }
414 { uint-uniform [ glUniform1ui ] }
415 { float-uniform [ glUniform1f ] }
417 { bvec2-uniform [ bind-uniform-bvec2 ] }
418 { ivec2-uniform [ bind-uniform-ivec2 ] }
419 { uvec2-uniform [ bind-uniform-uvec2 ] }
420 { vec2-uniform [ bind-uniform-vec2 ] }
422 { bvec3-uniform [ bind-uniform-bvec3 ] }
423 { ivec3-uniform [ bind-uniform-ivec3 ] }
424 { uvec3-uniform [ bind-uniform-uvec3 ] }
425 { vec3-uniform [ bind-uniform-vec3 ] }
427 { bvec4-uniform [ bind-uniform-bvec4 ] }
428 { ivec4-uniform [ bind-uniform-ivec4 ] }
429 { uvec4-uniform [ bind-uniform-uvec4 ] }
430 { vec4-uniform [ bind-uniform-vec4 ] }
432 { mat2-uniform [ [ 1 0 ] dip 2 2 >uniform-matrix glUniformMatrix2fv ] }
433 { mat2x3-uniform [ [ 1 0 ] dip 2 3 >uniform-matrix glUniformMatrix2x3fv ] }
434 { mat2x4-uniform [ [ 1 0 ] dip 2 4 >uniform-matrix glUniformMatrix2x4fv ] }
436 { mat3x2-uniform [ [ 1 0 ] dip 3 2 >uniform-matrix glUniformMatrix3x2fv ] }
437 { mat3-uniform [ [ 1 0 ] dip 3 3 >uniform-matrix glUniformMatrix3fv ] }
438 { mat3x4-uniform [ [ 1 0 ] dip 3 4 >uniform-matrix glUniformMatrix3x4fv ] }
440 { mat4x2-uniform [ [ 1 0 ] dip 4 2 >uniform-matrix glUniformMatrix4x2fv ] }
441 { mat4x3-uniform [ [ 1 0 ] dip 4 3 >uniform-matrix glUniformMatrix4x3fv ] }
442 { mat4-uniform [ [ 1 0 ] dip 4 4 >uniform-matrix glUniformMatrix4fv ] }
444 { texture-uniform { drop texture-unit glUniform1i } }
445 } at [ uniform invalid-uniform-type ] unless* >quotation :> value-quot
447 type uniform-type-texture-units texture-unit +
448 pre-quot value-quot append ;
450 :: [bind-uniform-struct] ( value>>-quot type texture-unit name dim -- texture-unit' quot )
454 [ [ [ swap nth ] swap prefix ] map ]
455 [ [ number>string name "[" append "]." surround ] map ] bi
458 name "." append 1array
459 ] if* :> ( quot-prefixes name-prefixes )
460 type all-uniform-tuple-slots :> uniforms
462 texture-unit quot-prefixes name-prefixes [| quot-prefix name-prefix |
463 uniforms name-prefix [bind-uniform-tuple]
465 ] 2map :> ( texture-unit' value-cleave )
468 value>>-quot { value-cleave 2cleave } append ;
470 :: [bind-uniform] ( texture-unit uniform prefix -- texture-unit' quot )
471 prefix uniform name>> append hyphens>underscores :> name
472 uniform uniform-type>> :> type
474 uniform name>> reader-word 1quotation :> value>>-quot
476 value>>-quot type texture-unit name {
477 { [ type uniform-type? dim and ] [ dim [bind-uniform-array] ] }
478 { [ type uniform-type? dim not and ] [ [bind-uniform-value] ] }
479 [ dim [bind-uniform-struct] ]
482 :: [bind-uniform-tuple] ( texture-unit uniforms prefix -- texture-unit' quot )
483 texture-unit uniforms [ prefix [bind-uniform] ] map :> ( texture-unit' uniforms-cleave )
486 { uniforms-cleave 2cleave } >quotation ;
488 :: [bind-uniforms] ( superclass uniforms -- quot )
489 superclass "uniform-tuple-texture-units" word-prop 0 or :> first-texture-unit
490 superclass \ (bind-uniforms) lookup-method :> next-method
491 first-texture-unit uniforms "" [bind-uniform-tuple] nip :> bind-quot
493 { 2dup next-method } bind-quot [ ] append-as ;
495 : define-uniform-tuple-methods ( class superclass uniforms -- )
498 [ \ (bind-uniform-textures) create-method-in ]
499 [ [bind-uniform-textures] ] bi define
501 [ \ (bind-uniforms) create-method-in ] 2dip
502 [bind-uniforms] define
505 : parse-uniform-tuple-definition ( -- class superclass uniforms )
506 scan-new-class scan-token {
507 { ";" [ uniform-tuple f ] }
508 { "<" [ scan-word parse-definition [ first3 uniform boa ] map ] }
511 \ } parse-until parse-definition swap prefix
512 [ first3 uniform boa ] map
516 : (define-uniform-tuple) ( class superclass uniforms -- )
518 [ [ uniform>slot ] map define-tuple-class ]
520 [ uniform-type-texture-units ]
522 [ [ uniform-type>> uniform-type-texture-units ] [ dim>> 1 or ] bi * ]
525 "uniform-tuple-texture-units" set-word-prop
527 [ nip "uniform-tuple-slots" set-word-prop ]
528 [ define-uniform-tuple-methods ]
531 : true-subclasses ( class -- seq )
532 [ subclasses ] keep [ = ] curry reject ;
536 : define-uniform-tuple ( class superclass uniforms -- )
537 (define-uniform-tuple) ; inline
539 SYNTAX: UNIFORM-TUPLE:
540 parse-uniform-tuple-definition define-uniform-tuple ;
544 : bind-unnamed-output-attachments ( framebuffer attachments -- )
545 [ gl-attachment ] with map
547 [ first glDrawBuffer ]
548 [ [ length ] [ c:int >c-array ] bi glDrawBuffers ] if ;
550 : bind-named-output-attachments ( program-instance framebuffer attachments -- )
551 rot '[ first _ swap output-index ] sort-with values
552 bind-unnamed-output-attachments ;
554 : bind-output-attachments ( program-instance framebuffer attachments -- )
556 [ bind-named-output-attachments ] [ [ drop ] 2dip bind-unnamed-output-attachments ] if ;
558 GENERIC: bind-transform-feedback-output ( output -- )
560 M: buffer bind-transform-feedback-output
561 [ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip handle>> glBindBufferBase ; inline
563 M: buffer-range bind-transform-feedback-output
564 [ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip
565 [ handle>> ] [ offset>> ] [ size>> ] tri glBindBufferRange ; inline
567 M: buffer-ptr bind-transform-feedback-output
568 buffer-ptr>range bind-transform-feedback-output ; inline
570 : gl-feedback-primitive-mode ( primitive-mode -- gl-mode )
572 { points-mode [ GL_POINTS ] }
573 { lines-mode [ GL_LINES ] }
574 { line-strip-mode [ GL_LINES ] }
575 { line-loop-mode [ GL_LINES ] }
576 { triangles-mode [ GL_TRIANGLES ] }
577 { triangle-strip-mode [ GL_TRIANGLES ] }
578 { triangle-fan-mode [ GL_TRIANGLES ] }
583 UNION: transform-feedback-output buffer buffer-range POSTPONE: f ;
586 { primitive-mode primitive-mode read-only }
587 { vertex-array vertex-array initial: T{ vertex-array-collection } read-only }
588 { uniforms uniform-tuple read-only }
589 { indexes vertex-indexes initial: T{ index-range } read-only }
590 { instances maybe{ integer } initial: f read-only }
591 { framebuffer maybe{ any-framebuffer } initial: system-framebuffer read-only }
592 { output-attachments sequence initial: { default-attachment } read-only }
593 { transform-feedback-output transform-feedback-output initial: f read-only } ;
595 : <render-set> ( x quot-assoc -- render-set )
596 render-set swap make-tuple ; inline
598 : 2<render-set> ( x y quot-assoc -- render-set )
599 render-set swap 2make-tuple ; inline
601 : 3<render-set> ( x y z quot-assoc -- render-set )
602 render-set swap 3make-tuple ; inline
604 : bind-uniforms ( program-instance uniforms -- )
605 [ (bind-uniform-textures) ] [ (bind-uniforms) ] 2bi ; inline
607 : render ( render-set -- )
609 [ vertex-array>> program-instance>> handle>> glUseProgram ]
611 [ vertex-array>> program-instance>> ] [ uniforms>> ] bi
616 [ GL_DRAW_FRAMEBUFFER swap framebuffer-handle glBindFramebuffer ]
617 [ GL_DRAW_FRAMEBUFFER 0 glBindFramebuffer GL_RASTERIZER_DISCARD glEnable ] if*
620 [ vertex-array>> program-instance>> ]
622 [ output-attachments>> ] tri
623 bind-output-attachments
625 [ vertex-array>> bind-vertex-array ]
627 dup transform-feedback-output>> [
628 [ primitive-mode>> gl-feedback-primitive-mode glBeginTransformFeedback ]
629 [ bind-transform-feedback-output ] bi*
634 [ primitive-mode>> ] [ indexes>> ] [ instances>> ] tri
635 [ render-vertex-indexes-instanced ]
636 [ render-vertex-indexes ] if*
639 [ transform-feedback-output>> [ glEndTransformFeedback ] when ]
640 [ framebuffer>> [ GL_RASTERIZER_DISCARD glDisable ] unless ]