| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_PROGRAM |
| #define SKSL_PROGRAM |
| |
| #include <vector> |
| #include <memory> |
| |
| #include "SkSLContext.h" |
| #include "SkSLModifiers.h" |
| #include "SkSLProgramElement.h" |
| #include "SkSLSymbolTable.h" |
| |
| // name of the render target height uniform |
| #define SKSL_RTHEIGHT_NAME "u_skRTHeight" |
| |
| namespace SkSL { |
| |
| /** |
| * Represents a fully-digested program, ready for code generation. |
| */ |
| struct Program { |
| struct Settings { |
| const GrShaderCaps* fCaps = nullptr; |
| bool fFlipY = false; |
| }; |
| |
| struct Inputs { |
| // if true, this program requires the render target height uniform to be defined |
| bool fRTHeight; |
| |
| void reset() { |
| fRTHeight = false; |
| } |
| |
| bool isEmpty() { |
| return !fRTHeight; |
| } |
| }; |
| |
| enum Kind { |
| kFragment_Kind, |
| kVertex_Kind |
| }; |
| |
| Program(Kind kind, |
| Settings settings, |
| Modifiers::Flag defaultPrecision, |
| Context* context, |
| std::vector<std::unique_ptr<ProgramElement>> elements, |
| std::shared_ptr<SymbolTable> symbols, |
| Inputs inputs) |
| : fKind(kind) |
| , fSettings(settings) |
| , fDefaultPrecision(defaultPrecision) |
| , fContext(context) |
| , fElements(std::move(elements)) |
| , fSymbols(symbols) |
| , fInputs(inputs) {} |
| |
| Kind fKind; |
| Settings fSettings; |
| // FIXME handle different types; currently it assumes this is for floats |
| Modifiers::Flag fDefaultPrecision; |
| Context* fContext; |
| std::vector<std::unique_ptr<ProgramElement>> fElements; |
| std::shared_ptr<SymbolTable> fSymbols; |
| Inputs fInputs; |
| }; |
| |
| } // namespace |
| |
| #endif |