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 &operator=(const ProgramData &);
162 void uniform(const std::string &, Uniform *);
164 void uniform(const std::string &, const Uniform &);
165 void uniform(const std::string &, int);
166 void uniform(const std::string &, float);
167 void uniform(const std::string &, int, int);
168 void uniform(const std::string &, float, float);
169 void uniform2(const std::string &, const int *);
170 void uniform2(const std::string &, const float *);
171 void uniform(const std::string &, int, int, int);
172 void uniform(const std::string &, float, float, float);
173 void uniform(const std::string &, const Vector3 &);
174 void uniform3(const std::string &, const int *);
175 void uniform3(const std::string &, const float *);
176 void uniform(const std::string &, int, int, int, int);
177 void uniform(const std::string &, float, float, float, float);
178 void uniform(const std::string &, const Vector4 &);
179 void uniform(const std::string &, const Color &);
180 void uniform4(const std::string &, const int *);
181 void uniform4(const std::string &, const float *);
182 void uniform(const std::string &, const LinAl::Matrix<float, 2, 2> &);
183 void uniform_matrix2(const std::string &, const float *);
184 void uniform(const std::string &, const LinAl::Matrix<float, 2, 3> &);
185 void uniform_matrix3x2(const std::string &, const float *);
186 void uniform(const std::string &, const LinAl::Matrix<float, 2, 4> &);
187 void uniform_matrix4x2(const std::string &, const float *);
188 void uniform(const std::string &, const LinAl::Matrix<float, 3, 2> &);
189 void uniform_matrix2x3(const std::string &, const float *);
190 void uniform(const std::string &, const LinAl::Matrix<float, 3, 3> &);
191 void uniform_matrix3(const std::string &, const float *);
192 void uniform(const std::string &, const LinAl::Matrix<float, 3, 4> &);
193 void uniform_matrix4x3(const std::string &, const float *);
194 void uniform(const std::string &, const LinAl::Matrix<float, 4, 2> &);
195 void uniform_matrix2x4(const std::string &, const float *);
196 void uniform(const std::string &, const LinAl::Matrix<float, 4, 3> &);
197 void uniform_matrix3x4(const std::string &, const float *);
198 void uniform(const std::string &, const Matrix &);
199 void uniform_matrix4(const std::string &, const float *);
200 void uniform1_array(const std::string &, unsigned, const int *);
201 void uniform1_array(const std::string &, unsigned, const float *);
202 void uniform2_array(const std::string &, unsigned, const int *);
203 void uniform2_array(const std::string &, unsigned, const float *);
204 void uniform3_array(const std::string &, unsigned, const int *);
205 void uniform3_array(const std::string &, unsigned, const float *);
206 void uniform4_array(const std::string &, unsigned, const int *);
207 void uniform4_array(const std::string &, unsigned, const float *);
208 void uniform_matrix2_array(const std::string &, unsigned, const float *);
209 void uniform_matrix3x2_array(const std::string &, unsigned, const float *);
210 void uniform_matrix4x2_array(const std::string &, unsigned, const float *);
211 void uniform_matrix2x3_array(const std::string &, unsigned, const float *);
212 void uniform_matrix3_array(const std::string &, unsigned, const float *);
213 void uniform_matrix4x3_array(const std::string &, unsigned, const float *);
214 void uniform_matrix2x4_array(const std::string &, unsigned, const float *);
215 void uniform_matrix3x4_array(const std::string &, unsigned, const float *);
216 void uniform_matrix4_array(const std::string &, unsigned, const float *);
217 void remove_uniform(const std::string &);
219 std::vector<std::string> get_uniform_names() const;
220 const Uniform &get_uniform(const std::string &) const;
223 static bool uniform_name_compare(const NamedUniform &, const std::string &);
224 int find_uniform_index(const std::string &) const;
225 void update_block_uniform_indices(SharedBlock &, const Program::UniformBlockInfo &) const;
226 void update_block(SharedBlock &, const Program::UniformBlockInfo &) const;
227 SharedBlock *get_shared_block(const Program::UniformBlockInfo &) const;
230 /** Applies uniform blocks for the currently bound program, creating them