X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fcompiler.h;h=1c07f3250d9bc4d964168a7fd868a16346e5cd06;hp=64cbac4f7cefd801d1c8f38667d488995a0cd6da;hb=38712d8ecc57d043a2419ffbaeeb57f7a6586f14;hpb=f7b29fcfe408965c9cba79095eb05c49eca4a98e diff --git a/source/glsl/compiler.h b/source/glsl/compiler.h index 64cbac4f..1c07f325 100644 --- a/source/glsl/compiler.h +++ b/source/glsl/compiler.h @@ -17,20 +17,33 @@ public: enum Mode { MODULE, - PROGRAM + PROGRAM, + SPIRV }; private: enum OptimizeResult { NEXT_STAGE, + REDO_STAGE, REDO_PREVIOUS }; + enum ResolveFlags + { + RESOLVE_BLOCKS = 1, + RESOLVE_TYPES = 2, + RESOLVE_VARIABLES = 4, + RESOLVE_EXPRESSIONS = 8, + RESOLVE_FUNCTIONS = 16, + RESOLVE_ALL = 31 + }; + Features features; - Module *module; + Module *module = 0; std::vector imported_names; - bool specialized; + bool compiled = false; + bool specialized = false; std::map spec_values; public: @@ -76,6 +89,10 @@ public: GLSL suitable for OpenGL or an external GLSL compiler. */ std::string get_stage_glsl(Stage::Type) const; + /** Returns a combined SPIR-V binary for all shader stages. The result is + suitable for use with OpenGL or Vulkan. */ + std::vector get_combined_spirv() const; + /** Returns a map of vertex attribute locations. If the target GLSL version supports interface layouts, the map is empty (locations are included in the GLSL soucre). */ @@ -86,6 +103,15 @@ public: GLSL soucre). */ const std::map &get_fragment_outputs() const; + /** Returns a map of texture bindings. If the target GLSL version supports + bindings, the map is empty (bindings are included in the GLSL source). */ + const std::map &get_texture_bindings() const; + + /** Returns a map of uniform block bindings. If the target GLSL version + supports bindings, the map is empty (bindings are included in the GLSL + source). */ + const std::map &get_uniform_block_bindings() const; + /** Returns the mapping of source indices to filenames. Can be used to translate error messages. */ const SourceMap &get_source_map() const; @@ -94,19 +120,41 @@ public: Intended for debugging purposes. */ std::string get_stage_debug(Stage::Type) const; + /** Returns diagnostics from compilation. The output is intended to be + viewed by humans. */ + std::string get_diagnostics() const; + private: /** Appends a module to the target, processing any imports found in it. */ - void append_module(Module &, DataFile::Collection *); + void append_module(const Module &, ModuleCache &); /** Appends a single stage to the matching stage of the target. */ - void append_stage(Stage &); + void append_stage(const Stage &); /// Imports a module by name and appends it to the target. */ - void import(DataFile::Collection *, const std::string &); + void import(ModuleCache &, const std::string &); /** Generates any implicitly defines syntactic structures and resolves variables. */ - void generate(Stage &, Mode); + void generate(Stage &); + + template + bool resolve(Stage &, unsigned &, unsigned); + + /** Resolves various references between nodes. Flags can be specified to + request resolving particular aspects. Resolving may ripple into other + aspects as necessary. */ + void resolve(Stage &, unsigned = RESOLVE_ALL); + + /** Runs validators on a stage. Diagnostic messages are recorded in the + stage for later inspection. */ + void validate(Stage &); + + /** Checks a stage's recorded diagnostics for errors. If any are found, + returns true. */ + bool check_errors(Stage &); + + static bool diagnostic_line_order(const Diagnostic &, const Diagnostic &); /** Applies optimizations to a stage. The return value indicates which stage should be optimized next. */