diff options
Diffstat (limited to 'source/slang/compiler.h')
| -rw-r--r-- | source/slang/compiler.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/source/slang/compiler.h b/source/slang/compiler.h new file mode 100644 index 000000000..f35d6603c --- /dev/null +++ b/source/slang/compiler.h @@ -0,0 +1,156 @@ +#ifndef RASTER_SHADER_COMPILER_H +#define RASTER_SHADER_COMPILER_H + +#include "../core/basic.h" + +#include "compiled-program.h" +#include "diagnostics.h" +#include "profile.h" +#include "syntax.h" +#include "type-layout.h" + +#include "../../slang.h" + +namespace Slang +{ + namespace Compiler + { + class ILConstOperand; + struct IncludeHandler; + + enum class CompilerMode + { + ProduceLibrary, + ProduceShader, + GenerateChoice + }; + + enum class StageTarget + { + Unknown, + VertexShader, + HullShader, + DomainShader, + GeometryShader, + FragmentShader, + ComputeShader, + }; + + enum class CodeGenTarget + { + Unknown = SLANG_TARGET_UNKNOWN, + GLSL = SLANG_GLSL, + GLSL_Vulkan = SLANG_GLSL_VULKAN, + GLSL_Vulkan_OneDesc = SLANG_GLSL_VULKAN_ONE_DESC, + HLSL = SLANG_HLSL, + SPIRV = SLANG_SPIRV, + SPIRVAssembly = SLANG_SPIRV_ASM, + DXBytecode = SLANG_DXBC, + DXBytecodeAssembly = SLANG_DXBC_ASM, + ReflectionJSON = SLANG_REFLECTION_JSON, + }; + + // Describes an entry point that we've been requested to compile + struct EntryPointOption + { + String name; + Profile profile; + }; + + enum class PassThroughMode : SlangPassThrough + { + None = SLANG_PASS_THROUGH_NONE, // don't pass through: use Slang compiler + HLSL = SLANG_PASS_THROUGH_FXC, // pass through HLSL to `D3DCompile` API +// GLSL, // pass through GLSL to `glslang` library + }; + + // Represents a single source file (either an on-disk file, or a + // "virtual" file passed in as a string) + class SourceFile : public RefObject + { + public: + // The file path for a real file, or the nominal path for a virtual file + String path; + + // The actual contents of the file + String content; + }; + + // Options for a single translation unit being requested by the user + class TranslationUnitOptions + { + public: + SourceLanguage sourceLanguage = SourceLanguage::Unknown; + + // All entry points we've been asked to compile for this translation unit + List<EntryPointOption> entryPoints; + + // The source file(s) that will be compiled to form this translation unit + List<RefPtr<SourceFile> > sourceFiles; + }; + + class CompileOptions + { + public: + CompilerMode Mode = CompilerMode::ProduceShader; + CodeGenTarget Target = CodeGenTarget::Unknown; + StageTarget stage = StageTarget::Unknown; + EnumerableDictionary<String, String> BackendArguments; + + String SymbolToCompile; + String outputName; + List<String> TemplateShaderArguments; + List<String> SearchDirectories; + Dictionary<String, String> PreprocessorDefinitions; + + List<TranslationUnitOptions> translationUnits; + + // the code generation profile we've been asked to use + Profile profile; + + // should we just pass the input to another compiler? + PassThroughMode passThrough = PassThroughMode::None; + + // Flags supplied through the API + SlangCompileFlags flags = 0; + }; + + // This is the representation of a given translation unit + class CompileUnit + { + public: + TranslationUnitOptions options; + RefPtr<ProgramSyntaxNode> SyntaxNode; + }; + + // TODO: pick an appropriate name for this... + class CollectionOfTranslationUnits : public RefObject + { + public: + List<CompileUnit> translationUnits; + + // TODO: this is more output-oriented, but maybe okay to have here... + RefPtr<ProgramLayout> layout; + }; + + class ShaderCompiler : public CoreLib::Basic::Object + { + public: + virtual void Compile( + CompileResult& result, + CollectionOfTranslationUnits* collectionOfTranslationUnits, + const CompileOptions& options) = 0; + + virtual TranslationUnitResult PassThrough( + String const& sourceText, + String const& sourcePath, + const CompileOptions & options, + TranslationUnitOptions const& translationUnitOptions) = 0; + + }; + + ShaderCompiler * CreateShaderCompiler(); + } +} + +#endif
\ No newline at end of file |