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* ;
17 UNION: ?integer integer POSTPONE: f ;
51 ALIAS: mat2x2-uniform mat2-uniform
52 ALIAS: mat3x3-uniform mat3-uniform
53 ALIAS: mat4x4-uniform mat4-uniform
56 { name string read-only initial: "" }
57 { uniform-type class read-only initial: float-uniform }
58 { dim ?integer read-only initial: f } ;
66 { start integer read-only }
67 { count integer read-only } ;
69 C: <index-range> index-range
71 TUPLE: multi-index-range
72 { starts uint-array read-only }
73 { counts uint-array read-only } ;
75 C: <multi-index-range> multi-index-range
79 { count integer read-only }
80 { index-type index-type read-only } ;
82 C: <index-elements> index-elements
84 UNION: ?buffer buffer POSTPONE: f ;
86 TUPLE: multi-index-elements
87 { buffer ?buffer read-only }
89 { counts uint-array read-only }
90 { index-type index-type read-only } ;
92 C: <multi-index-elements> multi-index-elements
103 VARIANT: primitive-mode
107 lines-with-adjacency-mode
108 line-strip-with-adjacency-mode
112 triangles-with-adjacency-mode
113 triangle-strip-with-adjacency-mode
116 TUPLE: uniform-tuple ;
118 ERROR: invalid-uniform-type uniform ;
122 : gl-index-type ( index-type -- gl-index-type )
124 { ubyte-indexes [ GL_UNSIGNED_BYTE ] }
125 { ushort-indexes [ GL_UNSIGNED_SHORT ] }
126 { uint-indexes [ GL_UNSIGNED_INT ] }
129 : gl-primitive-mode ( primitive-mode -- gl-primitive-mode )
131 { points-mode [ GL_POINTS ] }
132 { lines-mode [ GL_LINES ] }
133 { line-strip-mode [ GL_LINE_STRIP ] }
134 { line-loop-mode [ GL_LINE_LOOP ] }
135 { triangles-mode [ GL_TRIANGLES ] }
136 { triangle-strip-mode [ GL_TRIANGLE_STRIP ] }
137 { triangle-fan-mode [ GL_TRIANGLE_FAN ] }
138 { lines-with-adjacency-mode [ GL_LINES_ADJACENCY ] }
139 { line-strip-with-adjacency-mode [ GL_LINE_STRIP_ADJACENCY ] }
140 { triangles-with-adjacency-mode [ GL_TRIANGLES_ADJACENCY ] }
141 { triangle-strip-with-adjacency-mode [ GL_TRIANGLE_STRIP_ADJACENCY ] }
144 GENERIC: render-vertex-indexes ( primitive-mode vertex-indexes -- )
146 GENERIC# render-vertex-indexes-instanced 1 ( primitive-mode vertex-indexes instances -- )
148 GENERIC: gl-array-element-type ( array -- type )
149 M: uchar-array gl-array-element-type drop GL_UNSIGNED_BYTE ; inline
150 M: ushort-array gl-array-element-type drop GL_UNSIGNED_SHORT ; inline
151 M: uint-array gl-array-element-type drop GL_UNSIGNED_INT ; inline
153 M: index-range render-vertex-indexes
154 [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] bi* glDrawArrays ;
156 M: index-range render-vertex-indexes-instanced
157 [ gl-primitive-mode ] [ [ start>> ] [ count>> ] bi ] [ ] tri*
158 glDrawArraysInstanced ;
160 M: multi-index-range render-vertex-indexes
161 [ gl-primitive-mode ] [ [ starts>> ] [ counts>> dup length ] bi ] bi*
164 M: index-elements render-vertex-indexes
165 [ gl-primitive-mode ]
166 [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ] bi*
167 index-buffer [ glDrawElements ] with-gpu-data-ptr ;
169 M: index-elements render-vertex-indexes-instanced
170 [ gl-primitive-mode ]
171 [ [ count>> ] [ index-type>> gl-index-type ] [ ptr>> ] tri ]
173 swap index-buffer [ swap glDrawElementsInstanced ] with-gpu-data-ptr ;
175 M: specialized-array render-vertex-indexes
176 GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
177 [ gl-primitive-mode ]
178 [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ] bi*
181 M: specialized-array render-vertex-indexes-instanced
182 GL_ELEMENT_ARRAY_BUFFER 0 glBindBuffer
183 [ gl-primitive-mode ]
184 [ [ length ] [ gl-array-element-type ] [ >c-ptr ] tri ]
185 [ ] tri* glDrawElementsInstanced ;
187 M: multi-index-elements render-vertex-indexes
188 [ gl-primitive-mode ]
189 [ { [ counts>> ] [ index-type>> gl-index-type ] [ ptrs>> dup length ] [ buffer>> ] } cleave ]
191 GL_ELEMENT_ARRAY_BUFFER swap [ handle>> ] [ 0 ] if* glBindBuffer glMultiDrawElements ;
193 : (bind-texture-unit) ( texture texture-unit -- )
194 swap [ GL_TEXTURE0 + glActiveTexture ] [ bind-texture drop ] bi* ; inline
196 GENERIC: (bind-uniform-textures) ( program-instance uniform-tuple -- )
197 GENERIC: (bind-uniforms) ( program-instance uniform-tuple -- )
199 M: uniform-tuple (bind-uniform-textures)
201 M: uniform-tuple (bind-uniforms)
204 : uniform-slot-type ( uniform -- type )
205 dup dim>> [ drop sequence ] [
207 { bool-uniform [ boolean ] }
208 { uint-uniform [ integer ] }
209 { int-uniform [ integer ] }
210 { float-uniform [ float ] }
211 { texture-uniform [ texture ] }
216 : uniform>slot ( uniform -- slot )
217 [ name>> ] [ uniform-slot-type ] bi 2array ;
219 : uniform-type-texture-units ( uniform-type -- units )
220 dup texture-uniform = [ drop 1 ] [ "uniform-tuple-texture-units" word-prop 0 or ] if ;
222 : all-uniform-tuple-slots ( class -- slots )
223 dup "uniform-tuple-slots" word-prop
224 [ swap superclass all-uniform-tuple-slots prepend ] [ drop { } ] if* ;
226 DEFER: uniform-texture-accessors
228 : uniform-type-texture-accessors ( uniform-type -- accessors )
229 texture-uniform = [ { [ ] } ] [ { } ] if ;
231 : uniform-slot-texture-accessor ( uniform -- accessor )
232 [ name>> reader-word ] [ [ uniform-type>> ] [ dim>> ] bi uniform-texture-accessors ] bi
233 dup length 1 = [ first swap prefix ] [ [ ] 2sequence ] if ;
235 : uniform-tuple-texture-accessors ( uniform-type -- accessors )
236 all-uniform-tuple-slots [ uniform-type>> uniform-type-texture-units zero? not ] filter
237 [ uniform-slot-texture-accessor ] map ;
239 : uniform-texture-accessors ( uniform-type dim -- accessors )
242 [ uniform-type-texture-accessors ]
243 [ uniform-tuple-texture-accessors ] if
245 2dup swap empty? not and [
247 [ swap nth ] swap prefix
248 over length 1 = [ swap first append ] [ swap suffix ] if
253 : texture-accessor>cleave ( unit accessors -- unit' cleaves )
255 [ [ last [ texture-accessor>cleave ] map ] [ but-last ] bi swap suffix \ cleave suffix ]
256 [ over suffix \ (bind-texture-unit) suffix [ 1 + ] dip ] if ;
258 : [bind-uniform-textures] ( class -- quot )
259 f uniform-texture-accessors
260 0 swap [ texture-accessor>cleave ] map nip
261 \ nip swap \ cleave [ ] 3sequence ;
264 c-ptr specialized-array struct simd-128 ;
266 GENERIC: >uniform-bool-array ( sequence -- c-array )
267 GENERIC: >uniform-int-array ( sequence -- c-array )
268 GENERIC: >uniform-uint-array ( sequence -- c-array )
269 GENERIC: >uniform-float-array ( sequence -- c-array )
271 GENERIC# >uniform-bvec-array 1 ( sequence dim -- c-array )
272 GENERIC# >uniform-ivec-array 1 ( sequence dim -- c-array )
273 GENERIC# >uniform-uvec-array 1 ( sequence dim -- c-array )
274 GENERIC# >uniform-vec-array 1 ( sequence dim -- c-array )
276 GENERIC# >uniform-matrix 2 ( sequence cols rows -- c-array )
278 GENERIC# >uniform-matrix-array 2 ( sequence cols rows -- c-array )
280 GENERIC: bind-uniform-bvec2 ( index sequence -- )
281 GENERIC: bind-uniform-bvec3 ( index sequence -- )
282 GENERIC: bind-uniform-bvec4 ( index sequence -- )
283 GENERIC: bind-uniform-ivec2 ( index sequence -- )
284 GENERIC: bind-uniform-ivec3 ( index sequence -- )
285 GENERIC: bind-uniform-ivec4 ( index sequence -- )
286 GENERIC: bind-uniform-uvec2 ( index sequence -- )
287 GENERIC: bind-uniform-uvec3 ( index sequence -- )
288 GENERIC: bind-uniform-uvec4 ( index sequence -- )
289 GENERIC: bind-uniform-vec2 ( index sequence -- )
290 GENERIC: bind-uniform-vec3 ( index sequence -- )
291 GENERIC: bind-uniform-vec4 ( index sequence -- )
293 M: object >uniform-bool-array [ >c-bool ] int-array{ } map-as ; inline
294 M: binary-data >uniform-bool-array ; inline
296 M: object >uniform-int-array c:int >c-array ; inline
297 M: binary-data >uniform-int-array ; inline
299 M: object >uniform-uint-array c:uint >c-array ; inline
300 M: binary-data >uniform-uint-array ; inline
302 M: object >uniform-float-array c:float >c-array ; inline
303 M: binary-data >uniform-float-array ; inline
305 M: object >uniform-bvec-array '[ _ head-slice [ >c-bool ] int-array{ } map-as ] map concat ; inline
306 M: binary-data >uniform-bvec-array drop ; inline
308 M: object >uniform-ivec-array '[ _ head ] map int-array{ } concat-as ; inline
309 M: binary-data >uniform-ivec-array drop ; inline
311 M: object >uniform-uvec-array '[ _ head ] map uint-array{ } concat-as ; inline
312 M: binary-data >uniform-uvec-array drop ; inline
314 M: object >uniform-vec-array '[ _ head ] map float-array{ } concat-as ; inline
315 M: binary-data >uniform-vec-array drop ; inline
317 M:: object >uniform-matrix ( sequence cols rows -- c-array )
318 sequence flip cols head-slice
319 [ rows head-slice c:float >c-array ] { } map-as concat ; inline
320 M: binary-data >uniform-matrix 2drop ; inline
322 M: object >uniform-matrix-array
323 '[ _ _ >uniform-matrix ] map concat ; inline
324 M: binary-data >uniform-matrix-array 2drop ; inline
326 M: object bind-uniform-bvec2 ( index sequence -- )
327 1 swap 2 head-slice [ >c-bool ] int-array{ } map-as glUniform2iv ; inline
328 M: binary-data bind-uniform-bvec2 ( index sequence -- )
329 1 swap glUniform2iv ; inline
330 M: object bind-uniform-bvec3 ( index sequence -- )
331 1 swap 3 head-slice [ >c-bool ] int-array{ } map-as glUniform3iv ; inline
332 M: binary-data bind-uniform-bvec3 ( index sequence -- )
333 1 swap glUniform3iv ; inline
334 M: object bind-uniform-bvec4 ( index sequence -- )
335 1 swap 4 head-slice [ >c-bool ] int-array{ } map-as glUniform4iv ; inline
336 M: binary-data bind-uniform-bvec4 ( index sequence -- )
337 1 swap glUniform4iv ; inline
339 M: object bind-uniform-ivec2 ( index sequence -- ) first2 glUniform2i ; inline
340 M: binary-data bind-uniform-ivec2 ( index sequence -- ) 1 swap glUniform2iv ; inline
342 M: object bind-uniform-ivec3 ( index sequence -- ) first3 glUniform3i ; inline
343 M: binary-data bind-uniform-ivec3 ( index sequence -- ) 1 swap glUniform3iv ; inline
345 M: object bind-uniform-ivec4 ( index sequence -- ) first4 glUniform4i ; inline
346 M: binary-data bind-uniform-ivec4 ( index sequence -- ) 1 swap glUniform4iv ; inline
348 M: object bind-uniform-uvec2 ( index sequence -- ) first2 glUniform2ui ; inline
349 M: binary-data bind-uniform-uvec2 ( index sequence -- ) 1 swap glUniform2uiv ; inline
351 M: object bind-uniform-uvec3 ( index sequence -- ) first3 glUniform3ui ; inline
352 M: binary-data bind-uniform-uvec3 ( index sequence -- ) 1 swap glUniform3uiv ; inline
354 M: object bind-uniform-uvec4 ( index sequence -- ) first4 glUniform4ui ; inline
355 M: binary-data bind-uniform-uvec4 ( index sequence -- ) 1 swap glUniform4uiv ; inline
357 M: object bind-uniform-vec2 ( index sequence -- ) first2 glUniform2f ; inline
358 M: binary-data bind-uniform-vec2 ( index sequence -- ) 1 swap glUniform2fv ; inline
360 M: object bind-uniform-vec3 ( index sequence -- ) first3 glUniform3f ; inline
361 M: binary-data bind-uniform-vec3 ( index sequence -- ) 1 swap glUniform3fv ; inline
363 M: object bind-uniform-vec4 ( index sequence -- ) first4 glUniform4f ; inline
364 M: binary-data bind-uniform-vec4 ( index sequence -- ) 1 swap glUniform4fv ; inline
366 DEFER: [bind-uniform-tuple]
368 :: [bind-uniform-array] ( value>>-quot type texture-unit name dim -- texture-unit' quot )
369 { name uniform-index } >quotation :> index-quot
370 { index-quot value>>-quot bi* } >quotation :> pre-quot
373 { bool-uniform { dim swap >uniform-bool-array glUniform1iv } }
374 { int-uniform { dim swap >uniform-int-array glUniform1iv } }
375 { uint-uniform { dim swap >uniform-uint-array glUniform1uiv } }
376 { float-uniform { dim swap >uniform-float-array glUniform1fv } }
378 { bvec2-uniform { dim swap 2 >uniform-bvec-array glUniform2iv } }
379 { ivec2-uniform { dim swap 2 >uniform-ivec-array glUniform2i } }
380 { uvec2-uniform { dim swap 2 >uniform-uvec-array glUniform2ui } }
381 { vec2-uniform { dim swap 2 >uniform-vec-array glUniform2f } }
383 { bvec3-uniform { dim swap 3 >uniform-bvec-array glUniform3iv } }
384 { ivec3-uniform { dim swap 3 >uniform-ivec-array glUniform3i } }
385 { uvec3-uniform { dim swap 3 >uniform-uvec-array glUniform3ui } }
386 { vec3-uniform { dim swap 3 >uniform-vec-array glUniform3f } }
388 { bvec4-uniform { dim swap 4 >uniform-bvec-array glUniform4iv } }
389 { ivec4-uniform { dim swap 4 >uniform-ivec-array glUniform4iv } }
390 { uvec4-uniform { dim swap 4 >uniform-uvec-array glUniform4uiv } }
391 { vec4-uniform { dim swap 4 >uniform-vec-array glUniform4fv } }
393 { mat2-uniform { [ dim 0 ] dip 2 2 >uniform-matrix-array glUniformMatrix2fv } }
394 { mat2x3-uniform { [ dim 0 ] dip 2 3 >uniform-matrix-array glUniformMatrix2x3fv } }
395 { mat2x4-uniform { [ dim 0 ] dip 2 4 >uniform-matrix-array glUniformMatrix2x4fv } }
397 { mat3x2-uniform { [ dim 0 ] dip 3 2 >uniform-matrix-array glUniformMatrix3x2fv } }
398 { mat3-uniform { [ dim 0 ] dip 3 3 >uniform-matrix-array glUniformMatrix3fv } }
399 { mat3x4-uniform { [ dim 0 ] dip 3 4 >uniform-matrix-array glUniformMatrix3x4fv } }
401 { mat4x2-uniform { [ dim 0 ] dip 4 2 >uniform-matrix-array glUniformMatrix4x2fv } }
402 { mat4x3-uniform { [ dim 0 ] dip 4 3 >uniform-matrix-array glUniformMatrix4x3fv } }
403 { mat4-uniform { [ dim 0 ] dip 4 4 >uniform-matrix-array glUniformMatrix4fv } }
405 { texture-uniform { drop dim dup iota [ texture-unit + ] int-array{ } map-as glUniform1iv } }
406 } at [ uniform invalid-uniform-type ] unless* >quotation :> value-quot
408 type uniform-type-texture-units dim * texture-unit +
409 pre-quot value-quot append ;
411 :: [bind-uniform-value] ( value>>-quot type texture-unit name -- texture-unit' quot )
412 { name uniform-index } >quotation :> index-quot
413 { index-quot value>>-quot bi* } >quotation :> pre-quot
416 { bool-uniform [ >c-bool glUniform1i ] }
417 { int-uniform [ glUniform1i ] }
418 { uint-uniform [ glUniform1ui ] }
419 { float-uniform [ glUniform1f ] }
421 { bvec2-uniform [ bind-uniform-bvec2 ] }
422 { ivec2-uniform [ bind-uniform-ivec2 ] }
423 { uvec2-uniform [ bind-uniform-uvec2 ] }
424 { vec2-uniform [ bind-uniform-vec2 ] }
426 { bvec3-uniform [ bind-uniform-bvec3 ] }
427 { ivec3-uniform [ bind-uniform-ivec3 ] }
428 { uvec3-uniform [ bind-uniform-uvec3 ] }
429 { vec3-uniform [ bind-uniform-vec3 ] }
431 { bvec4-uniform [ bind-uniform-bvec4 ] }
432 { ivec4-uniform [ bind-uniform-ivec4 ] }
433 { uvec4-uniform [ bind-uniform-uvec4 ] }
434 { vec4-uniform [ bind-uniform-vec4 ] }
436 { mat2-uniform [ [ 1 0 ] dip 2 2 >uniform-matrix glUniformMatrix2fv ] }
437 { mat2x3-uniform [ [ 1 0 ] dip 2 3 >uniform-matrix glUniformMatrix2x3fv ] }
438 { mat2x4-uniform [ [ 1 0 ] dip 2 4 >uniform-matrix glUniformMatrix2x4fv ] }
440 { mat3x2-uniform [ [ 1 0 ] dip 3 2 >uniform-matrix glUniformMatrix3x2fv ] }
441 { mat3-uniform [ [ 1 0 ] dip 3 3 >uniform-matrix glUniformMatrix3fv ] }
442 { mat3x4-uniform [ [ 1 0 ] dip 3 4 >uniform-matrix glUniformMatrix3x4fv ] }
444 { mat4x2-uniform [ [ 1 0 ] dip 4 2 >uniform-matrix glUniformMatrix4x2fv ] }
445 { mat4x3-uniform [ [ 1 0 ] dip 4 3 >uniform-matrix glUniformMatrix4x3fv ] }
446 { mat4-uniform [ [ 1 0 ] dip 4 4 >uniform-matrix glUniformMatrix4fv ] }
448 { texture-uniform { drop texture-unit glUniform1i } }
449 } at [ uniform invalid-uniform-type ] unless* >quotation :> value-quot
451 type uniform-type-texture-units texture-unit +
452 pre-quot value-quot append ;
454 :: [bind-uniform-struct] ( value>>-quot type texture-unit name dim -- texture-unit' quot )
458 [ [ [ swap nth ] swap prefix ] map ]
459 [ [ number>string name "[" append "]." surround ] map ] bi
462 name "." append 1array
463 ] if* :> ( quot-prefixes name-prefixes )
464 type all-uniform-tuple-slots :> uniforms
466 texture-unit quot-prefixes name-prefixes [| quot-prefix name-prefix |
467 uniforms name-prefix [bind-uniform-tuple]
469 ] 2map :> ( texture-unit' value-cleave )
472 value>>-quot { value-cleave 2cleave } append ;
474 :: [bind-uniform] ( texture-unit uniform prefix -- texture-unit' quot )
475 prefix uniform name>> append hyphens>underscores :> name
476 uniform uniform-type>> :> type
478 uniform name>> reader-word 1quotation :> value>>-quot
480 value>>-quot type texture-unit name {
481 { [ type uniform-type? dim and ] [ dim [bind-uniform-array] ] }
482 { [ type uniform-type? dim not and ] [ [bind-uniform-value] ] }
483 [ dim [bind-uniform-struct] ]
486 :: [bind-uniform-tuple] ( texture-unit uniforms prefix -- texture-unit' quot )
487 texture-unit uniforms [ prefix [bind-uniform] ] map :> ( texture-unit' uniforms-cleave )
490 { uniforms-cleave 2cleave } >quotation ;
492 :: [bind-uniforms] ( superclass uniforms -- quot )
493 superclass "uniform-tuple-texture-units" word-prop 0 or :> first-texture-unit
494 superclass \ (bind-uniforms) method :> next-method
495 first-texture-unit uniforms "" [bind-uniform-tuple] nip :> bind-quot
497 { 2dup next-method } bind-quot [ ] append-as ;
499 : define-uniform-tuple-methods ( class superclass uniforms -- )
502 [ \ (bind-uniform-textures) create-method-in ]
503 [ [bind-uniform-textures] ] bi define
505 [ \ (bind-uniforms) create-method-in ] 2dip
506 [bind-uniforms] define
509 : parse-uniform-tuple-definition ( -- class superclass uniforms )
511 { ";" [ uniform-tuple f ] }
512 { "<" [ scan-word parse-definition [ first3 uniform boa ] map ] }
515 \ } parse-until parse-definition swap prefix
516 [ first3 uniform boa ] map
520 : (define-uniform-tuple) ( class superclass uniforms -- )
522 [ [ uniform>slot ] map define-tuple-class ]
524 [ uniform-type-texture-units ]
526 [ [ uniform-type>> uniform-type-texture-units ] [ dim>> 1 or ] bi * ]
529 "uniform-tuple-texture-units" set-word-prop
531 [ nip "uniform-tuple-slots" set-word-prop ]
532 [ define-uniform-tuple-methods ]
535 : true-subclasses ( class -- seq )
536 [ subclasses ] keep [ = not ] curry filter ;
540 : define-uniform-tuple ( class superclass uniforms -- )
541 (define-uniform-tuple) ; inline
543 SYNTAX: UNIFORM-TUPLE:
544 parse-uniform-tuple-definition define-uniform-tuple ;
548 : bind-unnamed-output-attachments ( framebuffer attachments -- )
549 [ gl-attachment ] with map
551 [ first glDrawBuffer ]
552 [ [ length ] [ c:int >c-array ] bi glDrawBuffers ] if ;
554 : bind-named-output-attachments ( program-instance framebuffer attachments -- )
555 rot '[ first _ swap output-index ] sort-with values
556 bind-unnamed-output-attachments ;
558 : bind-output-attachments ( program-instance framebuffer attachments -- )
560 [ bind-named-output-attachments ] [ [ drop ] 2dip bind-unnamed-output-attachments ] if ;
562 GENERIC: bind-transform-feedback-output ( output -- )
564 M: buffer bind-transform-feedback-output
565 [ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip handle>> glBindBufferBase ; inline
567 M: buffer-range bind-transform-feedback-output
568 [ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip
569 [ handle>> ] [ offset>> ] [ size>> ] tri glBindBufferRange ; inline
571 M: buffer-ptr bind-transform-feedback-output
572 buffer-ptr>range bind-transform-feedback-output ; inline
574 : gl-feedback-primitive-mode ( primitive-mode -- gl-mode )
576 { points-mode [ GL_POINTS ] }
577 { lines-mode [ GL_LINES ] }
578 { line-strip-mode [ GL_LINES ] }
579 { line-loop-mode [ GL_LINES ] }
580 { triangles-mode [ GL_TRIANGLES ] }
581 { triangle-strip-mode [ GL_TRIANGLES ] }
582 { triangle-fan-mode [ GL_TRIANGLES ] }
587 UNION: ?any-framebuffer any-framebuffer POSTPONE: f ;
588 UNION: transform-feedback-output buffer buffer-range POSTPONE: f ;
591 { primitive-mode primitive-mode read-only }
592 { vertex-array vertex-array initial: T{ vertex-array-collection } read-only }
593 { uniforms uniform-tuple read-only }
594 { indexes vertex-indexes initial: T{ index-range } read-only }
595 { instances ?integer initial: f read-only }
596 { framebuffer ?any-framebuffer initial: system-framebuffer read-only }
597 { output-attachments sequence initial: { default-attachment } read-only }
598 { transform-feedback-output transform-feedback-output initial: f read-only } ;
600 : <render-set> ( x quot-assoc -- render-set )
601 render-set swap make-tuple ; inline
603 : 2<render-set> ( x y quot-assoc -- render-set )
604 render-set swap 2make-tuple ; inline
606 : 3<render-set> ( x y z quot-assoc -- render-set )
607 render-set swap 3make-tuple ; inline
609 : bind-uniforms ( program-instance uniforms -- )
610 [ (bind-uniform-textures) ] [ (bind-uniforms) ] 2bi ; inline
612 : render ( render-set -- )
614 [ vertex-array>> program-instance>> handle>> glUseProgram ]
616 [ vertex-array>> program-instance>> ] [ uniforms>> ] bi
621 [ GL_DRAW_FRAMEBUFFER swap framebuffer-handle glBindFramebuffer ]
622 [ GL_DRAW_FRAMEBUFFER 0 glBindFramebuffer GL_RASTERIZER_DISCARD glEnable ] if*
625 [ vertex-array>> program-instance>> ]
627 [ output-attachments>> ] tri
628 bind-output-attachments
630 [ vertex-array>> bind-vertex-array ]
632 dup transform-feedback-output>> [
633 [ primitive-mode>> gl-feedback-primitive-mode glBeginTransformFeedback ]
634 [ bind-transform-feedback-output ] bi*
639 [ primitive-mode>> ] [ indexes>> ] [ instances>> ] tri
640 [ render-vertex-indexes-instanced ]
641 [ render-vertex-indexes ] if*
644 [ transform-feedback-output>> [ glEndTransformFeedback ] when ]
645 [ framebuffer>> [ GL_RASTERIZER_DISCARD glDisable ] unless ]