* Picks a render strategy for the now finally parsed kernel * @param args * @return {null|KernelOutput}
(args)
| 366 | * @return {null|KernelOutput} |
| 367 | */ |
| 368 | pickRenderStrategy(args) { |
| 369 | if (this.graphical) { |
| 370 | this.renderRawOutput = this.readPackedPixelsToUint8Array; |
| 371 | this.transferValues = (pixels) => pixels; |
| 372 | this.TextureConstructor = GLTextureGraphical; |
| 373 | return null; |
| 374 | } |
| 375 | if (this.precision === 'unsigned') { |
| 376 | this.renderRawOutput = this.readPackedPixelsToUint8Array; |
| 377 | this.transferValues = this.readPackedPixelsToFloat32Array; |
| 378 | if (this.pipeline) { |
| 379 | this.renderOutput = this.renderTexture; |
| 380 | if (this.subKernels !== null) { |
| 381 | this.renderKernels = this.renderKernelsToTextures; |
| 382 | } |
| 383 | switch (this.returnType) { |
| 384 | case 'LiteralInteger': |
| 385 | case 'Float': |
| 386 | case 'Number': |
| 387 | case 'Integer': |
| 388 | if (this.output[2] > 0) { |
| 389 | this.TextureConstructor = GLTextureUnsigned3D; |
| 390 | return null; |
| 391 | } else if (this.output[1] > 0) { |
| 392 | this.TextureConstructor = GLTextureUnsigned2D; |
| 393 | return null; |
| 394 | } else { |
| 395 | this.TextureConstructor = GLTextureUnsigned; |
| 396 | return null; |
| 397 | } |
| 398 | case 'Array(2)': |
| 399 | case 'Array(3)': |
| 400 | case 'Array(4)': |
| 401 | return this.requestFallback(args); |
| 402 | } |
| 403 | } else { |
| 404 | if (this.subKernels !== null) { |
| 405 | this.renderKernels = this.renderKernelsToArrays; |
| 406 | } |
| 407 | switch (this.returnType) { |
| 408 | case 'LiteralInteger': |
| 409 | case 'Float': |
| 410 | case 'Number': |
| 411 | case 'Integer': |
| 412 | this.renderOutput = this.renderValues; |
| 413 | if (this.output[2] > 0) { |
| 414 | this.TextureConstructor = GLTextureUnsigned3D; |
| 415 | this.formatValues = utils.erect3DPackedFloat; |
| 416 | return null; |
| 417 | } else if (this.output[1] > 0) { |
| 418 | this.TextureConstructor = GLTextureUnsigned2D; |
| 419 | this.formatValues = utils.erect2DPackedFloat; |
| 420 | return null; |
| 421 | } else { |
| 422 | this.TextureConstructor = GLTextureUnsigned; |
| 423 | this.formatValues = utils.erectPackedFloat; |
| 424 | return null; |
| 425 | } |