1 // 2 // Copyright 2012 Francisco Jerez 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 // THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 18 // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 19 // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 // SOFTWARE. 21 // 22 23 #ifndef __CORE_KERNEL_HPP__ 24 #define __CORE_KERNEL_HPP__ 25 26 #include <memory> 27 28 #include "core/base.hpp" 29 #include "core/program.hpp" 30 #include "core/memory.hpp" 31 #include "core/sampler.hpp" 32 #include "pipe/p_state.h" 33 34 namespace clover { 35 typedef struct _cl_kernel kernel; 36 class argument; 37 } 38 39 struct _cl_kernel : public clover::ref_counter { 40 private: 41 /// 42 /// Class containing all the state required to execute a compute 43 /// kernel. 44 /// 45 struct exec_context { 46 exec_context(clover::kernel &kern); 47 ~exec_context(); 48 49 void *bind(clover::command_queue *q); 50 void unbind(); 51 52 clover::kernel &kern; 53 clover::command_queue *q; 54 55 std::vector<uint8_t> input; 56 std::vector<void *> samplers; 57 std::vector<pipe_sampler_view *> sviews; 58 std::vector<pipe_surface *> resources; 59 std::vector<pipe_resource *> g_buffers; 60 std::vector<size_t> g_handles; 61 size_t mem_local; 62 63 private: 64 void *st; 65 pipe_compute_state cs; 66 }; 67 68 public: 69 class argument { 70 public: 71 argument(size_t size); 72 73 /// \a true if the argument has been set. 74 bool set() const; 75 76 /// Argument size in the input buffer. 77 size_t size() const; 78 79 /// Storage space required for the referenced object. 80 virtual size_t storage() const; 81 82 /// Set this argument to some object. 83 virtual void set(size_t size, const void *value) = 0; 84 85 /// Allocate the necessary resources to bind the specified 86 /// object to this argument, and update \a ctx accordingly. 87 virtual void bind(exec_context &ctx) = 0; 88 89 /// Free any resources that were allocated in bind(). 90 virtual void unbind(exec_context &ctx) = 0; 91 92 protected: 93 size_t __size; 94 bool __set; 95 }; 96 97 _cl_kernel(clover::program &prog, 98 const std::string &name, 99 const std::vector<clover::module::argument> &args); 100 101 void launch(clover::command_queue &q, 102 const std::vector<size_t> &grid_offset, 103 const std::vector<size_t> &grid_size, 104 const std::vector<size_t> &block_size); 105 106 size_t mem_local() const; 107 size_t mem_private() const; 108 size_t max_block_size() const; 109 110 const std::string &name() const; 111 std::vector<size_t> block_size() const; 112 113 clover::program &prog; 114 std::vector<std::unique_ptr<argument>> args; 115 116 private: 117 const clover::module & 118 module(const clover::command_queue &q) const; 119 120 class scalar_argument : public argument { 121 public: 122 scalar_argument(size_t size); 123 124 virtual void set(size_t size, const void *value); 125 virtual void bind(exec_context &ctx); 126 virtual void unbind(exec_context &ctx); 127 128 private: 129 std::vector<uint8_t> v; 130 }; 131 132 class global_argument : public argument { 133 public: 134 global_argument(size_t size); 135 136 virtual void set(size_t size, const void *value); 137 virtual void bind(exec_context &ctx); 138 virtual void unbind(exec_context &ctx); 139 140 private: 141 clover::buffer *obj; 142 }; 143 144 class local_argument : public argument { 145 public: 146 local_argument(); 147 148 virtual size_t storage() const; 149 150 virtual void set(size_t size, const void *value); 151 virtual void bind(exec_context &ctx); 152 virtual void unbind(exec_context &ctx); 153 154 private: 155 size_t __storage; 156 }; 157 158 class constant_argument : public argument { 159 public: 160 constant_argument(); 161 162 virtual void set(size_t size, const void *value); 163 virtual void bind(exec_context &ctx); 164 virtual void unbind(exec_context &ctx); 165 166 private: 167 clover::buffer *obj; 168 pipe_surface *st; 169 }; 170 171 class image_rd_argument : public argument { 172 public: 173 image_rd_argument(); 174 175 virtual void set(size_t size, const void *value); 176 virtual void bind(exec_context &ctx); 177 virtual void unbind(exec_context &ctx); 178 179 private: 180 clover::image *obj; 181 pipe_sampler_view *st; 182 }; 183 184 class image_wr_argument : public argument { 185 public: 186 image_wr_argument(); 187 188 virtual void set(size_t size, const void *value); 189 virtual void bind(exec_context &ctx); 190 virtual void unbind(exec_context &ctx); 191 192 private: 193 clover::image *obj; 194 pipe_surface *st; 195 }; 196 197 class sampler_argument : public argument { 198 public: 199 sampler_argument(); 200 201 virtual void set(size_t size, const void *value); 202 virtual void bind(exec_context &ctx); 203 virtual void unbind(exec_context &ctx); 204 205 private: 206 clover::sampler *obj; 207 void *st; 208 }; 209 210 std::string __name; 211 exec_context exec; 212 }; 213 214 #endif 215
