1 #ifndef MSP_GL_PROGRAMDATA_H_
2 #define MSP_GL_PROGRAMDATA_H_
5 #include <msp/datafile/objectloader.h>
8 #include "reflectdata.h"
15 class too_many_uniforms: public std::runtime_error
18 too_many_uniforms(const std::string &w): std::runtime_error(w) { }
19 virtual ~too_many_uniforms() throw() { }
29 Stores uniform values for shader programs.
31 The uniforms are stored in a program-independent way, and UniformBlocks are
32 created to match the uniform layouts of different programs. If multiple
33 programs have the same layout, the same block is used for them.
35 The class is optimized for an access pattern where the set of uniforms and
36 programs stays constants, with only the values changing.
41 class Loader: public DataFile::ObjectLoader<ProgramData>
44 Loader(ProgramData &);
46 void uniform1i(const std::string &, int);
47 void uniform1f(const std::string &, float);
48 void uniform2i(const std::string &, int, int);
49 void uniform2f(const std::string &, float, float);
50 void uniform3i(const std::string &, int, int, int);
51 void uniform3f(const std::string &, float, float, float);
52 void uniform4i(const std::string &, int, int, int, int);
53 void uniform4f(const std::string &, float, float, float, float);
54 void uniform_array_(const std::string &, DataType, unsigned);
55 void uniform1i_array(const std::string &);
56 void uniform1f_array(const std::string &);
57 void uniform2i_array(const std::string &);
58 void uniform2f_array(const std::string &);
59 void uniform3i_array(const std::string &);
60 void uniform3f_array(const std::string &);
61 void uniform4i_array(const std::string &);
62 void uniform4f_array(const std::string &);
63 void uniform_array(const std::string &);
67 class ArrayLoader: public DataFile::Loader
71 unsigned element_size;
72 std::vector<char> data;
75 ArrayLoader(DataType, unsigned);
77 DataType get_data_type() const { return type; }
78 unsigned get_element_size() const { return element_size; }
79 const void *get_data() const { return &data[0]; }
80 unsigned get_size() const { return data.size()/(4*element_size); }
83 void uniform(DataType, unsigned, const void *);
85 void uniform1f(float);
86 void uniform2i(int, int);
87 void uniform2f(float, float);
88 void uniform3i(int, int, int);
89 void uniform3f(float, float, float);
90 void uniform4i(int, int, int, int);
91 void uniform4f(float, float, float, float);
94 typedef unsigned Mask;
98 MASK_BITS = sizeof(Mask)*8,
99 ALL_ONES = static_cast<Mask>(-1)
105 DataType type = VOID;
106 unsigned array_size = 0;
107 unsigned data_offset = 0;
108 unsigned data_size = 0;
113 ReflectData::LayoutHash block_hash;
119 std::uint8_t type_flag;
120 std::uint8_t values[16];
123 std::uint8_t type_flag;
124 std::uint8_t *values;
128 SharedBlock(ReflectData::LayoutHash);
130 const std::uint8_t *get_uniform_indices() const;
135 ReflectData::LayoutHash prog_hash;
148 ProgramBlock(ReflectData::LayoutHash);
151 // XXX All these mutables are a bit silly, but I'm out of better ideas
152 const Program *tied_program;
153 std::vector<TaggedUniform> uniforms;
154 std::vector<char> uniform_data;
155 unsigned generation = 0;
156 mutable std::vector<SharedBlock> blocks;
157 mutable std::vector<ProgramBlock> programs;
158 mutable UniformBlock *last_buffer_block = 0;
159 mutable Buffer *buffer = 0;
160 mutable Mask dirty = 0;
161 std::string debug_name;
164 ProgramData(const Program * = 0);
165 ProgramData(const ProgramData &);
166 ProgramData(const ProgramData &, const Program *);
167 ProgramData &operator=(const ProgramData &);
171 void uniform(Tag, DataType, unsigned, const void *);
172 bool validate_tag(Tag) const;
173 void mark_dirty(Mask);
175 void uniform(Tag, int);
176 void uniform(Tag, float);
177 void uniform(Tag, int, int);
178 void uniform(Tag, float, float);
179 void uniform2(Tag, const int *);
180 void uniform2(Tag, const float *);
181 void uniform(Tag, int, int, int);
182 void uniform(Tag, float, float, float);
183 void uniform3(Tag, const int *);
184 void uniform3(Tag, const float *);
185 void uniform(Tag, int, int, int, int);
186 void uniform(Tag, float, float, float, float);
187 void uniform(Tag, const Color &);
188 void uniform4(Tag, const int *);
189 void uniform4(Tag, const float *);
190 void uniform_matrix2(Tag, const float *);
191 void uniform_matrix3x2(Tag, const float *);
192 void uniform_matrix4x2(Tag, const float *);
193 void uniform_matrix2x3(Tag, const float *);
194 void uniform_matrix3(Tag, const float *);
195 void uniform_matrix4x3(Tag, const float *);
196 void uniform_matrix2x4(Tag, const float *);
197 void uniform_matrix3x4(Tag, const float *);
198 void uniform(Tag, const Matrix &);
199 void uniform_matrix4(Tag, const float *);
200 void uniform_array(Tag, unsigned, const int *);
201 void uniform_array(Tag, unsigned, const float *);
202 void uniform1_array(Tag, unsigned, const int *);
203 void uniform1_array(Tag, unsigned, const float *);
204 void uniform2_array(Tag, unsigned, const int *);
205 void uniform2_array(Tag, unsigned, const float *);
206 void uniform3_array(Tag, unsigned, const int *);
207 void uniform3_array(Tag, unsigned, const float *);
208 void uniform4_array(Tag, unsigned, const int *);
209 void uniform4_array(Tag, unsigned, const float *);
210 void uniform_matrix2_array(Tag, unsigned, const float *);
211 void uniform_matrix3x2_array(Tag, unsigned, const float *);
212 void uniform_matrix4x2_array(Tag, unsigned, const float *);
213 void uniform_matrix2x3_array(Tag, unsigned, const float *);
214 void uniform_matrix3_array(Tag, unsigned, const float *);
215 void uniform_matrix4x3_array(Tag, unsigned, const float *);
216 void uniform_matrix2x4_array(Tag, unsigned, const float *);
217 void uniform_matrix3x4_array(Tag, unsigned, const float *);
218 void uniform_matrix4_array(Tag, unsigned, const float *);
220 template<typename T, unsigned N>
221 void uniform(Tag, const LinAl::Vector<T, N> &);
223 template<typename T, unsigned R, unsigned C>
224 void uniform(Tag, const LinAl::Matrix<T, R, C> &);
226 template<typename T, unsigned N>
227 void uniform_array(Tag, unsigned, const LinAl::Vector<T, N> *);
229 template<typename T, unsigned R, unsigned C>
230 void uniform_array(Tag, unsigned, const LinAl::Matrix<T, R, C> *);
232 void remove_uniform(Tag);
234 unsigned get_generation() const { return generation; }
236 std::vector<Tag> get_uniform_tags() const;
237 void copy_uniform(const ProgramData &, Tag);
240 int find_uniform_index(Tag) const;
241 std::vector<ProgramBlock>::iterator get_program(const Program &) const;
242 void update_block_uniform_indices(SharedBlock &, const ReflectData::UniformBlockInfo &) const;
243 void update_block(SharedBlock &, const ReflectData::UniformBlockInfo &) const;
245 std::vector<ProgramBlock>::const_iterator prepare_program(const Program &) const;
247 /** Creates or updates UniformBlocks for a specific program if necessary,
248 then sets them to the PipelineState. */
249 void apply(const Program &, PipelineState &) const;
251 void set_debug_name(const std::string &);
254 template<typename T, unsigned N>
255 void ProgramData::uniform(Tag tag, const LinAl::Vector<T, N> &v)
256 { uniform(tag, TypeTraits<LinAl::Vector<T, N>>::type, 1, &v.x); }
258 template<typename T, unsigned R, unsigned C>
259 void ProgramData::uniform(Tag tag, const LinAl::Matrix<T, R, C> &v)
260 { uniform(tag, TypeTraits<LinAl::Matrix<T, R, C>>::type, 1, &v(0, 0)); }
262 template<typename T, unsigned N>
263 void ProgramData::uniform_array(Tag tag, unsigned n, const LinAl::Vector<T, N> *v)
264 { uniform(tag, TypeTraits<LinAl::Vector<T, N>>::type, n, &v[0].x); }
266 template<typename T, unsigned R, unsigned C>
267 void ProgramData::uniform_array(Tag tag, unsigned n, const LinAl::Matrix<T, R, C> *v)
268 { uniform(tag, TypeTraits<LinAl::Matrix<T, R, C>>::type, n, &v[0](0, 0)); }