1 #ifndef MSP_GL_PROGRAM_H_
2 #define MSP_GL_PROGRAM_H_
6 #include <msp/datafile/objectloader.h>
11 #include "vertexformat.h"
17 A complete shader program. Programs can be assembled of individual Shaders or
18 generated with a set of standard features.
23 class Loader: public DataFile::CollectionObjectLoader<Program>
26 Loader(Program &, Collection &);
29 virtual void finish();
31 void module(const std::string &);
35 class SpecializationLoader: public DataFile::Loader
38 std::map<std::string, int> &spec_values;
40 static ActionMap shared_actions;
43 SpecializationLoader(std::map<std::string, int> &);
46 virtual void init_actions();
48 void specialize_bool(const std::string &, bool);
49 void specialize_int(const std::string &, int);
53 typedef unsigned LayoutHash;
54 struct UniformBlockInfo;
59 const UniformBlockInfo *block;
66 unsigned array_stride;
67 unsigned matrix_stride;
75 struct UniformBlockInfo
80 std::vector<const UniformInfo *> uniforms;
81 LayoutHash layout_hash;
107 std::map<std::string, unsigned> textures;
108 std::map<std::string, unsigned> blocks;
109 std::map<unsigned, int> spec_values;
113 unsigned stage_ids[MAX_STAGES];
114 const Module *module;
115 TransientData *transient;
117 std::vector<UniformBlockInfo> uniform_blocks;
118 std::vector<UniformInfo> uniforms;
119 LayoutHash uniform_layout_hash;
120 std::vector<AttributeInfo> attributes;
121 std::string debug_name;
124 /// Constructs an empty Program with no shader stages attached.
127 /// Constructs a Program from a Module, with specialization constants.
128 Program(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
135 void add_stages(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
137 bool has_stages() const;
138 unsigned add_stage(Stage);
139 void add_glsl_stages(const GlslModule &, const std::map<std::string, int> &);
140 void compile_glsl_stage(unsigned);
141 void add_spirv_stages(const SpirVModule &, const std::map<std::string, int> &);
146 void query_uniforms();
147 void query_uniform_blocks(const std::vector<UniformInfo *> &);
148 void query_attributes();
149 void collect_uniforms();
150 void collect_block_uniforms(const SpirVModule::Structure &, const std::string &, unsigned, std::vector<std::string> &);
151 void collect_attributes();
152 void update_layout_hash();
153 static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
154 static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
156 bool is_linked() const { return linked; }
158 LayoutHash get_uniform_layout_hash() const { return uniform_layout_hash; }
159 const std::vector<UniformBlockInfo> &get_uniform_blocks() const { return uniform_blocks; }
160 const UniformBlockInfo &get_uniform_block_info(const std::string &) const;
161 const std::vector<UniformInfo> &get_uniforms() const { return uniforms; }
162 const UniformInfo &get_uniform_info(const std::string &) const;
163 const UniformInfo &get_uniform_info(Tag) const;
164 int get_uniform_location(const std::string &) const;
165 int get_uniform_location(Tag) const;
166 int get_uniform_binding(Tag) const;
167 const std::vector<AttributeInfo> &get_attributes() const { return attributes; }
168 const AttributeInfo &get_attribute_info(const std::string &) const;
169 int get_attribute_location(const std::string &) const;
171 unsigned get_id() const { return id; }
173 void set_debug_name(const std::string &);
175 void set_stage_debug_name(unsigned, Stage);