1 #ifndef MSP_GL_PROGRAMDATA_H_
2 #define MSP_GL_PROGRAMDATA_H_
5 #include <msp/datafile/objectloader.h>
20 Stores uniform variables for shader programs. The uniforms are stored in a
21 program-independent way, and UniformBlocks are created to match the uniform
22 layouts of different programs. If multiple programs have the same layout, the
23 same block is used for them.
25 The class is optimized for an access pattern where the set of uniforms and
26 programs stays constants, with only the values changing.
31 class Loader: public DataFile::ObjectLoader<ProgramData>
34 Loader(ProgramData &);
36 void uniform1i(const std::string &, int);
37 void uniform1f(const std::string &, float);
38 void uniform2i(const std::string &, int, int);
39 void uniform2f(const std::string &, float, float);
40 void uniform3i(const std::string &, int, int, int);
41 void uniform3f(const std::string &, float, float, float);
42 void uniform4i(const std::string &, int, int, int, int);
43 void uniform4f(const std::string &, float, float, float, float);
44 void uniform_array_(const std::string &, DataType, unsigned);
45 void uniform1i_array(const std::string &);
46 void uniform1f_array(const std::string &);
47 void uniform2i_array(const std::string &);
48 void uniform2f_array(const std::string &);
49 void uniform3i_array(const std::string &);
50 void uniform3f_array(const std::string &);
51 void uniform4i_array(const std::string &);
52 void uniform4f_array(const std::string &);
53 void uniform_array(const std::string &);
57 class ArrayLoader: public DataFile::Loader
61 unsigned element_size;
62 std::vector<char> data;
65 ArrayLoader(DataType, unsigned);
67 DataType get_data_type() const { return type; }
68 unsigned get_element_size() const { return element_size; }
69 const void *get_data() const { return &data[0]; }
70 unsigned get_size() const { return data.size()/(4*element_size); }
73 void uniform(DataType, unsigned, const void *);
75 void uniform1f(float);
76 void uniform2i(int, int);
77 void uniform2f(float, float);
78 void uniform3i(int, int, int);
79 void uniform3f(float, float, float);
80 void uniform4i(int, int, int, int);
81 void uniform4f(float, float, float, float);
84 typedef unsigned Mask;
88 MASK_BITS = sizeof(Mask)*8,
89 ALL_ONES = static_cast<Mask>(-1)
99 bool compare_name(const std::string &, unsigned) const;
100 void replace_value(Uniform *);
119 SharedBlock(UniformBlock *);
121 const UInt8 *get_uniform_indices() const;
131 ProgramBlock(int, SharedBlock *);
134 struct ProgramUniforms
136 std::vector<ProgramBlock> blocks;
143 typedef std::map<Program::LayoutHash, SharedBlock> BlockMap;
144 typedef std::map<Program::LayoutHash, ProgramUniforms> ProgramMap;
146 // XXX All these mutables are a bit silly, but I'm out of better ideas
147 const Program *tied_program;
148 std::vector<NamedUniform> uniforms;
149 mutable BlockMap blocks;
150 mutable ProgramMap programs;
151 mutable UniformBlock *last_block;
152 mutable Buffer *buffer;
153 mutable unsigned dirty;
156 ProgramData(const Program * = 0);
157 ProgramData(const ProgramData &);
158 ProgramData(const ProgramData &, const Program *);
159 ProgramData &operator=(const ProgramData &);
163 void uniform(const std::string &, Uniform *);
165 void uniform(const std::string &, const Uniform &);
166 void uniform(const std::string &, int);
167 void uniform(const std::string &, float);
168 void uniform(const std::string &, int, int);
169 void uniform(const std::string &, float, float);
170 void uniform2(const std::string &, const int *);
171 void uniform2(const std::string &, const float *);
172 void uniform(const std::string &, int, int, int);
173 void uniform(const std::string &, float, float, float);
174 void uniform(const std::string &, const Vector3 &);
175 void uniform3(const std::string &, const int *);
176 void uniform3(const std::string &, const float *);
177 void uniform(const std::string &, int, int, int, int);
178 void uniform(const std::string &, float, float, float, float);
179 void uniform(const std::string &, const Vector4 &);
180 void uniform(const std::string &, const Color &);
181 void uniform4(const std::string &, const int *);
182 void uniform4(const std::string &, const float *);
183 void uniform(const std::string &, const LinAl::Matrix<float, 2, 2> &);
184 void uniform_matrix2(const std::string &, const float *);
185 void uniform(const std::string &, const LinAl::Matrix<float, 2, 3> &);
186 void uniform_matrix3x2(const std::string &, const float *);
187 void uniform(const std::string &, const LinAl::Matrix<float, 2, 4> &);
188 void uniform_matrix4x2(const std::string &, const float *);
189 void uniform(const std::string &, const LinAl::Matrix<float, 3, 2> &);
190 void uniform_matrix2x3(const std::string &, const float *);
191 void uniform(const std::string &, const LinAl::Matrix<float, 3, 3> &);
192 void uniform_matrix3(const std::string &, const float *);
193 void uniform(const std::string &, const LinAl::Matrix<float, 3, 4> &);
194 void uniform_matrix4x3(const std::string &, const float *);
195 void uniform(const std::string &, const LinAl::Matrix<float, 4, 2> &);
196 void uniform_matrix2x4(const std::string &, const float *);
197 void uniform(const std::string &, const LinAl::Matrix<float, 4, 3> &);
198 void uniform_matrix3x4(const std::string &, const float *);
199 void uniform(const std::string &, const Matrix &);
200 void uniform_matrix4(const std::string &, const float *);
201 void uniform1_array(const std::string &, unsigned, const int *);
202 void uniform1_array(const std::string &, unsigned, const float *);
203 void uniform2_array(const std::string &, unsigned, const int *);
204 void uniform2_array(const std::string &, unsigned, const float *);
205 void uniform3_array(const std::string &, unsigned, const int *);
206 void uniform3_array(const std::string &, unsigned, const float *);
207 void uniform4_array(const std::string &, unsigned, const int *);
208 void uniform4_array(const std::string &, unsigned, const float *);
209 void uniform_matrix2_array(const std::string &, unsigned, const float *);
210 void uniform_matrix3x2_array(const std::string &, unsigned, const float *);
211 void uniform_matrix4x2_array(const std::string &, unsigned, const float *);
212 void uniform_matrix2x3_array(const std::string &, unsigned, const float *);
213 void uniform_matrix3_array(const std::string &, unsigned, const float *);
214 void uniform_matrix4x3_array(const std::string &, unsigned, const float *);
215 void uniform_matrix2x4_array(const std::string &, unsigned, const float *);
216 void uniform_matrix3x4_array(const std::string &, unsigned, const float *);
217 void uniform_matrix4_array(const std::string &, unsigned, const float *);
218 void remove_uniform(const std::string &);
220 std::vector<std::string> get_uniform_names() const;
221 const Uniform &get_uniform(const std::string &) const;
224 static bool uniform_name_compare(const NamedUniform &, const std::string &);
225 int find_uniform_index(const std::string &) const;
226 void update_block_uniform_indices(SharedBlock &, const Program::UniformBlockInfo &) const;
227 void update_block(SharedBlock &, const Program::UniformBlockInfo &) const;
228 SharedBlock *get_shared_block(const Program::UniformBlockInfo &) const;
231 /** Applies uniform blocks for the currently bound program, creating them