Add all context-independent built-in functions and variables that are present for the given version and profile. Share common ones across stages, otherwise make stage-specific entries. Most built-ins variables can be added as simple text strings. Some need to be added programmatically, which is done later in IdentifyBuiltIns() below.
| 593 | // be added programmatically, which is done later in IdentifyBuiltIns() below. |
| 594 | // |
| 595 | void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvVersion) |
| 596 | { |
| 597 | addTabledBuiltins(version, profile, spvVersion); |
| 598 | |
| 599 | //============================================================================ |
| 600 | // |
| 601 | // Prototypes for built-in functions used repeatly by different shaders |
| 602 | // |
| 603 | //============================================================================ |
| 604 | |
| 605 | // |
| 606 | // Derivatives Functions. |
| 607 | // |
| 608 | TString derivatives ( |
| 609 | "float dFdx(float p);" |
| 610 | "vec2 dFdx(vec2 p);" |
| 611 | "vec3 dFdx(vec3 p);" |
| 612 | "vec4 dFdx(vec4 p);" |
| 613 | |
| 614 | "float dFdy(float p);" |
| 615 | "vec2 dFdy(vec2 p);" |
| 616 | "vec3 dFdy(vec3 p);" |
| 617 | "vec4 dFdy(vec4 p);" |
| 618 | |
| 619 | "float fwidth(float p);" |
| 620 | "vec2 fwidth(vec2 p);" |
| 621 | "vec3 fwidth(vec3 p);" |
| 622 | "vec4 fwidth(vec4 p);" |
| 623 | ); |
| 624 | |
| 625 | TString derivativeControls ( |
| 626 | "float dFdxFine(float p);" |
| 627 | "vec2 dFdxFine(vec2 p);" |
| 628 | "vec3 dFdxFine(vec3 p);" |
| 629 | "vec4 dFdxFine(vec4 p);" |
| 630 | |
| 631 | "float dFdyFine(float p);" |
| 632 | "vec2 dFdyFine(vec2 p);" |
| 633 | "vec3 dFdyFine(vec3 p);" |
| 634 | "vec4 dFdyFine(vec4 p);" |
| 635 | |
| 636 | "float fwidthFine(float p);" |
| 637 | "vec2 fwidthFine(vec2 p);" |
| 638 | "vec3 fwidthFine(vec3 p);" |
| 639 | "vec4 fwidthFine(vec4 p);" |
| 640 | |
| 641 | "float dFdxCoarse(float p);" |
| 642 | "vec2 dFdxCoarse(vec2 p);" |
| 643 | "vec3 dFdxCoarse(vec3 p);" |
| 644 | "vec4 dFdxCoarse(vec4 p);" |
| 645 | |
| 646 | "float dFdyCoarse(float p);" |
| 647 | "vec2 dFdyCoarse(vec2 p);" |
| 648 | "vec3 dFdyCoarse(vec3 p);" |
| 649 | "vec4 dFdyCoarse(vec4 p);" |
| 650 | |
| 651 | "float fwidthCoarse(float p);" |
| 652 | "vec2 fwidthCoarse(vec2 p);" |
no test coverage detected