1 #ifndef MSP_GL_PROGRAM_H_
2 #define MSP_GL_PROGRAM_H_
6 #include <msp/datafile/objectloader.h>
10 #include "vertexformat.h"
20 A complete shader program. Programs can be assembled of individual Shaders or
21 generated with a set of standard features.
23 class Program: public Bindable<Program>
26 class Loader: public DataFile::CollectionObjectLoader<Program>
29 Loader(Program &, Collection &);
32 virtual void finish();
34 void attribute(unsigned, const std::string &);
35 void fragment_shader(const std::string &);
36 void geometry_shader(const std::string &);
37 void module(const std::string &);
38 void vertex_shader(const std::string &);
42 class SpecializationLoader: public DataFile::Loader
45 std::map<std::string, int> &spec_values;
47 static ActionMap shared_actions;
50 SpecializationLoader(std::map<std::string, int> &);
53 virtual void init_actions();
55 void specialize_bool(const std::string &, bool);
56 void specialize_int(const std::string &, int);
60 typedef unsigned LayoutHash;
61 struct UniformBlockInfo;
66 const UniformBlockInfo *block;
69 unsigned array_stride;
70 unsigned matrix_stride;
74 struct UniformBlockInfo
79 std::vector<const UniformInfo *> uniforms;
80 LayoutHash layout_hash;
91 typedef std::map<std::string, UniformInfo> UniformMap;
92 typedef std::map<std::string, UniformBlockInfo> UniformBlockMap;
93 typedef std::map<std::string, AttributeInfo> AttributeMap;
97 std::vector<unsigned> stage_ids;
100 UniformBlockMap uniform_blocks;
102 LayoutHash uniform_layout_hash;
103 AttributeMap attributes;
106 /// Constructs an empty Program with no shader stages attached.
109 /// Constructs a Program from unified source code using ProgramCompiler.
110 DEPRECATED Program(const std::string &);
112 /// Constructs a Program from vertex and fragment shader source code.
113 DEPRECATED Program(const std::string &, const std::string &);
115 /// Constructs a Program from a Module, with specialization constants.
116 Program(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
123 void add_stages(const Module &, const std::map<std::string, int> & = std::map<std::string, int>());
125 unsigned add_stage(GLenum);
126 void add_glsl_stages(const GlslModule &, const std::map<std::string, int> &);
127 void compile_glsl_stage(unsigned);
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 static LayoutHash compute_layout_hash(const std::vector<const UniformInfo *> &);
145 static bool uniform_location_compare(const UniformInfo *, const UniformInfo *);
147 bool is_linked() const { return linked; }
148 DEPRECATED std::string get_info_log() const;
150 LayoutHash get_uniform_layout_hash() const { return uniform_layout_hash; }
151 const UniformBlockMap &get_uniform_blocks() const { return uniform_blocks; }
152 const UniformBlockInfo &get_uniform_block_info(const std::string &) const;
153 const UniformMap &get_uniforms() const { return uniforms; }
154 const UniformInfo &get_uniform_info(const std::string &) const;
155 int get_uniform_location(const std::string &) const;
156 const AttributeMap &get_attributes() const { return attributes; }
157 const AttributeInfo &get_attribute_info(const std::string &) const;
158 int get_attribute_location(const std::string &) const;
161 static void unbind();