diff options
author | 2017-06-27 09:56:09 -0400 | |
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committer | 2017-06-27 14:20:05 +0000 | |
commit | ccf59917d3fe7aaf59de714acfbd0596503f324f (patch) | |
tree | cc97719c47276c9dcbf0ec09effd580c4e7450dd /src/sksl/SkSLCPPCodeGenerator.h | |
parent | c3aef18419c1bb16951370e11758c7ef131fa10b (diff) |
sksl fragment processor support
Bug: skia:
Change-Id: Ia3b0305c2b0c78074303831f628fb01852b90d34
Reviewed-on: https://skia-review.googlesource.com/17843
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Diffstat (limited to 'src/sksl/SkSLCPPCodeGenerator.h')
-rw-r--r-- | src/sksl/SkSLCPPCodeGenerator.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/sksl/SkSLCPPCodeGenerator.h b/src/sksl/SkSLCPPCodeGenerator.h new file mode 100644 index 0000000000..74ee8f6289 --- /dev/null +++ b/src/sksl/SkSLCPPCodeGenerator.h @@ -0,0 +1,78 @@ +/* + * Copyright 2017 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef SKSL_CPPCODEGENERATOR +#define SKSL_CPPCODEGENERATOR + +#include "SkSLGLSLCodeGenerator.h" +#include "SkSLSectionAndParameterHelper.h" + +#include <set> + +namespace SkSL { + +class CPPCodeGenerator : public GLSLCodeGenerator { +public: + CPPCodeGenerator(const Context* context, const Program* program, ErrorReporter* errors, + String name, OutputStream* out); + + bool generateCode() override; + +private: + void writef(const char* s, va_list va) SKSL_PRINTF_LIKE(2, 0); + + void writef(const char* s, ...) SKSL_PRINTF_LIKE(2, 3); + + void writeSection(const char* name, const char* prefix = ""); + + void writeHeader() override; + + void writeBinaryExpression(const BinaryExpression& b, Precedence parentPrecedence) override; + + void writeIndexExpression(const IndexExpression& i) override; + + void writeVariableReference(const VariableReference& ref) override; + + void writeFunction(const FunctionDefinition& f) override; + + void writeSetting(const Setting& s) override; + + void writeProgramElement(const ProgramElement& p) override; + + void addUniform(const Variable& var); + + // writes a printf escape that will be filled in at runtime by the given C++ expression string + void writeRuntimeValue(const Type& type, const String& cppCode); + + void writeVarInitializer(const Variable& var, const Expression& value) override; + + void writePrivateVars(); + + void writePrivateVarValues(); + + bool writeEmitCode(std::vector<const Variable*>& uniforms); + + void writeSetData(std::vector<const Variable*>& uniforms); + + void writeGetKey(); + + void writeTest(); + + String fName; + String fFullName; + SectionAndParameterHelper fSectionAndParameterHelper; + String fExtraEmitCodeCode; + std::vector<String> fFormatArgs; + std::set<int> fWrittenTransformedCoords; + bool fNeedColorSpaceHelper = false; + + typedef GLSLCodeGenerator INHERITED; +}; + +} + +#endif |