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.
22 class Program: public Bindable<Program>
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;
68 unsigned array_stride;
69 unsigned matrix_stride;
73 struct UniformBlockInfo
78 std::vector<const UniformInfo *> uniforms;
79 LayoutHash layout_hash;
90 typedef std::map<std::string, UniformInfo> UniformMap;
91 typedef std::map<std::string, UniformBlockInfo> UniformBlockMap;
92 typedef std::map<std::string, AttributeInfo> AttributeMap;
96 std::vector<unsigned> stage_ids;
99 UniformBlockMap uniform_blocks;
101 LayoutHash uniform_layout_hash;
102 AttributeMap attributes;
105 /// Constructs an empty Program with no shader stages attached.
108 /// Constructs a Program from unified source code using ProgramCompiler.
109 DEPRECATED Program(const std::string &);
111 /// Constructs a Program from vertex and fragment shader source code.
112 DEPRECATED Program(const std::string &, const std::string &);
114 /// Constructs a Program from a Module, with specialization constants.
115 Program(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
122 void add_stages(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
124 unsigned add_stage(GLenum);
125 void add_glsl_stages(const GlslModule &, const std::map<std::string, int> &);
126 void compile_glsl_stage(unsigned);
127 void add_spirv_stages(const SpirVModule &, const std::map<std::string, int> &);
130 DEPRECATED void attach_shader(Shader &shader);
131 DEPRECATED void attach_shader_owned(Shader *shader);
132 DEPRECATED void detach_shader(Shader &shader);
133 DEPRECATED const std::vector<Shader *> &get_attached_shaders() const;
135 DEPRECATED void bind_attribute(unsigned, const std::string &);
136 DEPRECATED void bind_attribute(VertexAttribute, const std::string &);
137 DEPRECATED void bind_fragment_data(unsigned, const std::string &);
141 void query_uniforms();
142 void query_uniform_blocks(const std::vector<UniformInfo *> &);
143 void query_attributes();
144 void collect_uniforms();
145 void collect_block_uniforms(UniformBlockInfo &, const SpirVModule::Structure &, const std::string &, unsigned);
146 void collect_attributes();
147 void update_layout_hash();
148 static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
149 static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
151 bool is_linked() const { return linked; }
152 DEPRECATED std::string get_info_log() const;
154 LayoutHash get_uniform_layout_hash() const { return uniform_layout_hash; }
155 const UniformBlockMap &get_uniform_blocks() const { return uniform_blocks; }
156 const UniformBlockInfo &get_uniform_block_info(const std::string &) const;
157 const UniformMap &get_uniforms() const { return uniforms; }
158 const UniformInfo &get_uniform_info(const std::string &) const;
159 int get_uniform_location(const std::string &) const;
160 const AttributeMap &get_attributes() const { return attributes; }
161 const AttributeInfo &get_attribute_info(const std::string &) const;
162 int get_attribute_location(const std::string &) const;
165 static void unbind();