1 #ifndef MSP_GL_PROGRAM_H_
2 #define MSP_GL_PROGRAM_H_
6 #include <msp/datafile/objectloader.h>
11 #include "vertexformat.h"
19 A complete shader program. Programs can be assembled of individual Shaders or
20 generated with a set of standard features.
25 class Loader: public DataFile::CollectionObjectLoader<Program>
28 Loader(Program &, Collection &);
31 virtual void finish();
33 void attribute(unsigned, const std::string &);
34 void fragment_shader(const std::string &);
35 void geometry_shader(const std::string &);
36 void module(const std::string &);
37 void vertex_shader(const std::string &);
41 class SpecializationLoader: public DataFile::Loader
44 std::map<std::string, int> &spec_values;
46 static ActionMap shared_actions;
49 SpecializationLoader(std::map<std::string, int> &);
52 virtual void init_actions();
54 void specialize_bool(const std::string &, bool);
55 void specialize_int(const std::string &, int);
59 typedef unsigned LayoutHash;
60 struct UniformBlockInfo;
65 const UniformBlockInfo *block;
72 unsigned array_stride;
73 unsigned matrix_stride;
81 struct UniformBlockInfo
86 std::vector<const UniformInfo *> uniforms;
87 LayoutHash layout_hash;
113 std::map<std::string, unsigned> textures;
114 std::map<std::string, unsigned> blocks;
115 std::map<unsigned, int> spec_values;
119 unsigned stage_ids[MAX_STAGES];
120 const Module *module;
121 TransientData *transient;
123 std::vector<UniformBlockInfo> uniform_blocks;
124 std::vector<UniformInfo> uniforms;
125 LayoutHash uniform_layout_hash;
126 std::vector<AttributeInfo> attributes;
127 std::string debug_name;
130 /// Constructs an empty Program with no shader stages attached.
133 /// Constructs a Program from unified source code using ProgramCompiler.
134 DEPRECATED Program(const std::string &);
136 /// Constructs a Program from vertex and fragment shader source code.
137 DEPRECATED Program(const std::string &, const std::string &);
139 /// Constructs a Program from a Module, with specialization constants.
140 Program(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
147 void add_stages(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
149 bool has_stages() const;
150 unsigned add_stage(Stage);
151 void add_glsl_stages(const GlslModule &, const std::map<std::string, int> &);
152 void compile_glsl_stage(unsigned);
153 void add_spirv_stages(const SpirVModule &, const std::map<std::string, int> &);
156 DEPRECATED void attach_shader(Shader &shader);
157 DEPRECATED void attach_shader_owned(Shader *shader);
158 DEPRECATED void detach_shader(Shader &shader);
159 DEPRECATED const std::vector<Shader *> &get_attached_shaders() const;
161 DEPRECATED void bind_attribute(unsigned, const std::string &);
162 DEPRECATED void bind_attribute(VertexAttribute, const std::string &);
163 DEPRECATED void bind_fragment_data(unsigned, const std::string &);
167 void query_uniforms();
168 void query_uniform_blocks(const std::vector<UniformInfo *> &);
169 void query_attributes();
170 void collect_uniforms();
171 void collect_block_uniforms(const SpirVModule::Structure &, const std::string &, unsigned, std::vector<std::string> &);
172 void collect_attributes();
173 void update_layout_hash();
174 static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
175 static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
177 bool is_linked() const { return linked; }
178 DEPRECATED std::string get_info_log() const;
180 LayoutHash get_uniform_layout_hash() const { return uniform_layout_hash; }
181 const std::vector<UniformBlockInfo> &get_uniform_blocks() const { return uniform_blocks; }
182 const UniformBlockInfo &get_uniform_block_info(const std::string &) const;
183 const std::vector<UniformInfo> &get_uniforms() const { return uniforms; }
184 const UniformInfo &get_uniform_info(const std::string &) const;
185 const UniformInfo &get_uniform_info(Tag) const;
186 int get_uniform_location(const std::string &) const;
187 int get_uniform_location(Tag) const;
188 int get_uniform_binding(Tag) const;
189 const std::vector<AttributeInfo> &get_attributes() const { return attributes; }
190 const AttributeInfo &get_attribute_info(const std::string &) const;
191 int get_attribute_location(const std::string &) const;
193 unsigned get_id() const { return id; }
195 void set_debug_name(const std::string &);
197 void set_stage_debug_name(unsigned, Stage);