1 #ifndef MSP_GL_PROGRAMDATA_H_
2 #define MSP_GL_PROGRAMDATA_H_
6 #include <msp/datafile/objectloader.h>
17 class too_many_uniforms: public std::runtime_error
20 too_many_uniforms(const std::string &w): std::runtime_error(w) { }
21 virtual ~too_many_uniforms() throw() { }
25 class BufferBackedUniformBlock;
31 Stores uniform variables for shader programs. The uniforms are stored in a
32 program-independent way, and UniformBlocks are created to match the uniform
33 layouts of different programs. If multiple programs have the same layout, the
34 same block is used for them.
36 The class is optimized for an access pattern where the set of uniforms and
37 programs stays constants, with only the values changing.
42 class Loader: public DataFile::ObjectLoader<ProgramData>
45 Loader(ProgramData &);
47 void uniform1i(const std::string &, int);
48 void uniform1f(const std::string &, float);
49 void uniform2i(const std::string &, int, int);
50 void uniform2f(const std::string &, float, float);
51 void uniform3i(const std::string &, int, int, int);
52 void uniform3f(const std::string &, float, float, float);
53 void uniform4i(const std::string &, int, int, int, int);
54 void uniform4f(const std::string &, float, float, float, float);
55 void uniform_array_(const std::string &, DataType, unsigned);
56 void uniform1i_array(const std::string &);
57 void uniform1f_array(const std::string &);
58 void uniform2i_array(const std::string &);
59 void uniform2f_array(const std::string &);
60 void uniform3i_array(const std::string &);
61 void uniform3f_array(const std::string &);
62 void uniform4i_array(const std::string &);
63 void uniform4f_array(const std::string &);
64 void uniform_array(const std::string &);
68 class ArrayLoader: public DataFile::Loader
72 unsigned element_size;
73 std::vector<char> data;
76 ArrayLoader(DataType, unsigned);
78 DataType get_data_type() const { return type; }
79 unsigned get_element_size() const { return element_size; }
80 const void *get_data() const { return &data[0]; }
81 unsigned get_size() const { return data.size()/(4*element_size); }
84 void uniform(DataType, unsigned, const void *);
86 void uniform1f(float);
87 void uniform2i(int, int);
88 void uniform2f(float, float);
89 void uniform3i(int, int, int);
90 void uniform3f(float, float, float);
91 void uniform4i(int, int, int, int);
92 void uniform4f(float, float, float, float);
95 typedef unsigned Mask;
99 MASK_BITS = sizeof(Mask)*8,
100 ALL_ONES = static_cast<Mask>(-1)
110 void replace_value(Uniform *);
115 Program::LayoutHash block_hash;
130 SharedBlock(Program::LayoutHash);
132 const UInt8 *get_uniform_indices() const;
137 Program::LayoutHash prog_hash;
150 ProgramBlock(Program::LayoutHash);
153 // XXX All these mutables are a bit silly, but I'm out of better ideas
154 const Program *tied_program;
155 std::vector<TaggedUniform> uniforms;
157 mutable std::vector<SharedBlock> blocks;
158 mutable std::vector<ProgramBlock> programs;
159 mutable BufferBackedUniformBlock *last_buffer_block;
160 mutable Buffer *buffer;
162 std::string debug_name;
165 ProgramData(const Program * = 0);
166 ProgramData(const ProgramData &);
167 ProgramData(const ProgramData &, const Program *);
168 ProgramData &operator=(const ProgramData &);
172 void uniform(Tag, Uniform *);
173 template<typename T, typename V>
174 void uniform(Tag, V);
175 template<typename T, typename V>
176 void uniform_array(Tag, unsigned, V);
177 bool validate_tag(Tag) const;
178 void add_uniform(Tag, Uniform *);
179 void mark_dirty(Mask);
181 void uniform(Tag, const Uniform &);
182 void uniform(Tag, int);
183 void uniform(Tag, float);
184 void uniform(Tag, int, int);
185 void uniform(Tag, float, float);
186 void uniform2(Tag, const int *);
187 void uniform2(Tag, const float *);
188 void uniform(Tag, int, int, int);
189 void uniform(Tag, float, float, float);
190 void uniform3(Tag, const int *);
191 void uniform3(Tag, const float *);
192 void uniform(Tag, int, int, int, int);
193 void uniform(Tag, float, float, float, float);
194 void uniform(Tag, const Color &);
195 void uniform4(Tag, const int *);
196 void uniform4(Tag, const float *);
197 void uniform_matrix2(Tag, const float *);
198 void uniform_matrix3x2(Tag, const float *);
199 void uniform_matrix4x2(Tag, const float *);
200 void uniform_matrix2x3(Tag, const float *);
201 void uniform_matrix3(Tag, const float *);
202 void uniform_matrix4x3(Tag, const float *);
203 void uniform_matrix2x4(Tag, const float *);
204 void uniform_matrix3x4(Tag, const float *);
205 void uniform(Tag, const Matrix &);
206 void uniform_matrix4(Tag, const float *);
207 void uniform_array(Tag, unsigned, const int *);
208 void uniform_array(Tag, unsigned, const float *);
209 void uniform1_array(Tag, unsigned, const int *);
210 void uniform1_array(Tag, unsigned, const float *);
211 void uniform2_array(Tag, unsigned, const int *);
212 void uniform2_array(Tag, unsigned, const float *);
213 void uniform3_array(Tag, unsigned, const int *);
214 void uniform3_array(Tag, unsigned, const float *);
215 void uniform4_array(Tag, unsigned, const int *);
216 void uniform4_array(Tag, unsigned, const float *);
217 void uniform_matrix2_array(Tag, unsigned, const float *);
218 void uniform_matrix3x2_array(Tag, unsigned, const float *);
219 void uniform_matrix4x2_array(Tag, unsigned, const float *);
220 void uniform_matrix2x3_array(Tag, unsigned, const float *);
221 void uniform_matrix3_array(Tag, unsigned, const float *);
222 void uniform_matrix4x3_array(Tag, unsigned, const float *);
223 void uniform_matrix2x4_array(Tag, unsigned, const float *);
224 void uniform_matrix3x4_array(Tag, unsigned, const float *);
225 void uniform_matrix4_array(Tag, unsigned, const float *);
227 template<typename T, unsigned N>
228 void uniform(Tag, const LinAl::Vector<T, N> &);
230 template<typename T, unsigned R, unsigned C>
231 void uniform(Tag, const LinAl::Matrix<T, R, C> &);
233 template<typename T, unsigned N>
234 void uniform_array(Tag, unsigned, const LinAl::Vector<T, N> *);
236 template<typename T, unsigned R, unsigned C>
237 void uniform_array(Tag, unsigned, const LinAl::Matrix<T, R, C> *);
239 void remove_uniform(Tag);
241 unsigned get_generation() const { return generation; }
243 std::vector<Tag> get_uniform_tags() const;
244 const Uniform &get_uniform(Tag) const;
245 const Uniform *find_uniform(Tag) const;
248 int find_uniform_index(Tag) const;
249 std::vector<ProgramBlock>::iterator get_program(const Program &) const;
250 void update_block_uniform_indices(SharedBlock &, const Program::UniformBlockInfo &) const;
251 void update_block(SharedBlock &, const Program::UniformBlockInfo &) const;
253 std::vector<ProgramBlock>::const_iterator prepare_program(const Program &) const;
255 void apply(const Program &, PipelineState &) const;
257 void set_debug_name(const std::string &);
260 template<typename T, unsigned N>
261 void ProgramData::uniform(Tag tag, const LinAl::Vector<T, N> &v)
262 { uniform<UniformVector<T, N> >(tag, &v.x); }
264 template<typename T, unsigned R, unsigned C>
265 void ProgramData::uniform(Tag tag, const LinAl::Matrix<T, R, C> &v)
266 { uniform<UniformMatrix<T, R, C> >(tag, &v(0, 0)); }
268 template<typename T, unsigned N>
269 void ProgramData::uniform_array(Tag tag, unsigned n, const LinAl::Vector<T, N> *v)
270 { uniform_array<UniformVector<T, N> >(tag, n, &v[0].x); }
272 template<typename T, unsigned R, unsigned C>
273 void ProgramData::uniform_array(Tag tag, unsigned n, const LinAl::Matrix<T, R, C> *v)
274 { uniform_array<UniformMatrix<T, R, C> >(tag, n, &v[0](0, 0)); }