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1 /*
2 Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
4 
5 You may not use this file except in compliance with the License.
6 obtain a copy of the License at
7 
8 http://www.imagemagick.org/script/license.php
9 
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15 
16 MagickCore OpenCL private methods.
17 */
18 #ifndef MAGICKCORE_OPENCL_PRIVATE_H
19 #define MAGICKCORE_OPENCL_PRIVATE_H
20 
21 /*
22 Include declarations.
23 */
24 #include "MagickCore/studio.h"
25 #include "MagickCore/opencl.h"
26 #include "MagickCore/thread_.h"
27 
28 #if defined(__cplusplus) || defined(c_plusplus)
29 extern "C" {
30 #endif
31 
32 #if !defined(MAGICKCORE_OPENCL_SUPPORT)
33 typedef void* MagickCLCacheInfo;
34 #else
35 typedef struct _MagickCLCacheInfo
36 {
37   cl_event
38     *events;
39 
40   cl_mem
41     buffer;
42 
43   cl_uint
44     event_count;
45 
46   MagickCLDevice
47     device;
48 
49   MagickSizeType
50     length;
51 
52   Quantum
53     *pixels;
54 }* MagickCLCacheInfo;
55 
56 /*
57   Define declarations.
58 */
59 #define MAGICKCORE_OPENCL_UNDEFINED_SCORE -1.0
60 #define MAGICKCORE_OPENCL_COMMAND_QUEUES 16
61 
62 /* Platform APIs */
63 typedef CL_API_ENTRY cl_int
64   (CL_API_CALL *MAGICKpfn_clGetPlatformIDs)(cl_uint num_entries,
65     cl_platform_id *platforms,cl_uint *num_platforms) CL_API_SUFFIX__VERSION_1_0;
66 
67 typedef CL_API_ENTRY cl_int
68   (CL_API_CALL *MAGICKpfn_clGetPlatformInfo)(cl_platform_id platform,
69     cl_platform_info param_name,size_t param_value_size,void *param_value,
70     size_t *param_value_size_ret) CL_API_SUFFIX__VERSION_1_0;
71 
72 
73 /* Device APIs */
74 typedef CL_API_ENTRY cl_int
75   (CL_API_CALL *MAGICKpfn_clGetDeviceIDs)(cl_platform_id platform,
76     cl_device_type device_type,cl_uint num_entries,cl_device_id *devices,
77     cl_uint *num_devices) CL_API_SUFFIX__VERSION_1_0;
78 
79 typedef CL_API_ENTRY cl_int
80   (CL_API_CALL *MAGICKpfn_clGetDeviceInfo)(cl_device_id device,
81     cl_device_info param_name,size_t param_value_size,void *param_value,
82     size_t *param_value_size_ret) CL_API_SUFFIX__VERSION_1_0;
83 
84 
85 /* Context APIs */
86 typedef CL_API_ENTRY cl_context
87   (CL_API_CALL *MAGICKpfn_clCreateContext)(
88     const cl_context_properties *properties,cl_uint num_devices,
89     const cl_device_id *devices,void (CL_CALLBACK *pfn_notify)(const char *,
90     const void *,size_t,void *),void *user_data,cl_int *errcode_ret)
91     CL_API_SUFFIX__VERSION_1_0;
92 
93 typedef CL_API_ENTRY cl_int
94   (CL_API_CALL *MAGICKpfn_clReleaseContext)(cl_context context)
95     CL_API_SUFFIX__VERSION_1_0;
96 
97 
98 /* Command Queue APIs */
99 typedef CL_API_ENTRY cl_command_queue
100   (CL_API_CALL *MAGICKpfn_clCreateCommandQueue)(cl_context context,
101     cl_device_id device,cl_command_queue_properties properties,
102     cl_int *errcode_ret) CL_API_SUFFIX__VERSION_1_0;
103 
104 typedef CL_API_ENTRY cl_int
105   (CL_API_CALL *MAGICKpfn_clReleaseCommandQueue)(
106     cl_command_queue command_queue) CL_API_SUFFIX__VERSION_1_0;
107 
108 typedef CL_API_ENTRY cl_int
109   (CL_API_CALL *MAGICKpfn_clFlush)(cl_command_queue command_queue)
110     CL_API_SUFFIX__VERSION_1_0;
111 
112 typedef CL_API_ENTRY cl_int
113   (CL_API_CALL *MAGICKpfn_clFinish)(cl_command_queue command_queue)
114     CL_API_SUFFIX__VERSION_1_0;
115 
116 
117 /* Memory Object APIs */
118 typedef CL_API_ENTRY cl_mem
119   (CL_API_CALL *MAGICKpfn_clCreateBuffer)(cl_context context,
120     cl_mem_flags flags,size_t size,void *host_ptr,cl_int *errcode_ret)
121     CL_API_SUFFIX__VERSION_1_0;
122 
123 typedef CL_API_ENTRY cl_int
124   (CL_API_CALL *MAGICKpfn_clReleaseMemObject)(cl_mem memobj)
125     CL_API_SUFFIX__VERSION_1_0;
126 
127 
128 /* Program Object APIs */
129 typedef CL_API_ENTRY cl_program
130   (CL_API_CALL *MAGICKpfn_clCreateProgramWithSource)(cl_context context,
131     cl_uint count,const char **strings,const size_t *lengths,
132     cl_int *errcode_ret) CL_API_SUFFIX__VERSION_1_0;
133 
134 typedef CL_API_ENTRY cl_program
135   (CL_API_CALL *MAGICKpfn_clCreateProgramWithBinary)(cl_context context,
136     cl_uint num_devices,const cl_device_id *device_list,const size_t *lengths,
137     const unsigned char **binaries,cl_int *binary_status,cl_int *errcode_ret)
138     CL_API_SUFFIX__VERSION_1_0;
139 
140 typedef CL_API_ENTRY cl_int
141   (CL_API_CALL *MAGICKpfn_clReleaseProgram)(cl_program program)
142     CL_API_SUFFIX__VERSION_1_0;
143 
144 typedef CL_API_ENTRY cl_int
145   (CL_API_CALL *MAGICKpfn_clBuildProgram)(cl_program program,
146     cl_uint num_devices,const cl_device_id *device_list,const char *options,
147     void (CL_CALLBACK *pfn_notify)(cl_program program,void * user_data),
148     void *user_data) CL_API_SUFFIX__VERSION_1_0;
149 
150 typedef CL_API_ENTRY cl_int
151   (CL_API_CALL *MAGICKpfn_clGetProgramBuildInfo)(cl_program program,
152     cl_device_id device,cl_program_build_info param_name,size_t param_value_size,
153     void *param_value,size_t *param_value_size_ret) CL_API_SUFFIX__VERSION_1_0;
154 
155 typedef CL_API_ENTRY cl_int
156   (CL_API_CALL *MAGICKpfn_clGetProgramInfo)(cl_program program,
157     cl_program_info param_name,size_t param_value_size,void *param_value,
158     size_t *param_value_size_ret) CL_API_SUFFIX__VERSION_1_0;
159 
160 
161 /* Kernel Object APIs */
162 typedef CL_API_ENTRY cl_kernel
163   (CL_API_CALL *MAGICKpfn_clCreateKernel)(cl_program program,
164     const char *kernel_name,cl_int *errcode_ret) CL_API_SUFFIX__VERSION_1_0;
165 
166 typedef CL_API_ENTRY cl_int
167   (CL_API_CALL *MAGICKpfn_clReleaseKernel)(cl_kernel kernel)
168     CL_API_SUFFIX__VERSION_1_0;
169 
170 typedef CL_API_ENTRY cl_int
171   (CL_API_CALL *MAGICKpfn_clSetKernelArg)(cl_kernel kernel,cl_uint arg_index,
172   size_t arg_size,const void * arg_value) CL_API_SUFFIX__VERSION_1_0;
173 
174 typedef CL_API_ENTRY cl_int
175   (CL_API_CALL *MAGICKpfn_clGetKernelInfo)(cl_kernel kernel,
176     cl_kernel_info param_name,size_t param_value_size,void *param_value,
177     size_t *param_value_size_ret) CL_API_SUFFIX__VERSION_1_0;
178 
179 
180 /* Enqueued Commands APIs */
181 typedef CL_API_ENTRY cl_int
182   (CL_API_CALL *MAGICKpfn_clEnqueueReadBuffer)(cl_command_queue command_queue,
183     cl_mem buffer,cl_bool blocking_read,size_t offset,size_t cb,void *ptr,
184     cl_uint num_events_in_wait_list,const cl_event *event_wait_list,
185     cl_event *event) CL_API_SUFFIX__VERSION_1_0;
186 
187 typedef CL_API_ENTRY void
188   *(CL_API_CALL *MAGICKpfn_clEnqueueMapBuffer)(cl_command_queue command_queue,
189     cl_mem buffer,cl_bool blocking_map,cl_map_flags map_flags,size_t offset,
190     size_t cb,cl_uint num_events_in_wait_list,const cl_event *event_wait_list,
191     cl_event *event,cl_int *errcode_ret) CL_API_SUFFIX__VERSION_1_0;
192 
193 typedef CL_API_ENTRY cl_int
194   (CL_API_CALL *MAGICKpfn_clEnqueueUnmapMemObject)(
195     cl_command_queue command_queue,cl_mem memobj,void *mapped_ptr,
196     cl_uint num_events_in_wait_list,const cl_event *event_wait_list,
197     cl_event *event) CL_API_SUFFIX__VERSION_1_0;
198 
199 typedef CL_API_ENTRY cl_int
200   (CL_API_CALL *MAGICKpfn_clEnqueueNDRangeKernel)(
201     cl_command_queue command_queue,cl_kernel kernel,cl_uint work_dim,
202     const size_t *global_work_offset,const size_t *global_work_size,
203     const size_t *local_work_size,cl_uint num_events_in_wait_list,
204     const cl_event * event_wait_list,cl_event *event)
205     CL_API_SUFFIX__VERSION_1_0;
206 
207 
208 /* Events APIs */
209 typedef CL_API_ENTRY cl_int
210   (CL_API_CALL *MAGICKpfn_clWaitForEvents)(cl_uint num_events,
211     const cl_event *event_list) CL_API_SUFFIX__VERSION_1_0;
212 
213 typedef CL_API_ENTRY cl_int
214   (CL_API_CALL *MAGICKpfn_clReleaseEvent)(cl_event event)
215     CL_API_SUFFIX__VERSION_1_0;
216 
217 typedef CL_API_ENTRY cl_int
218   (CL_API_CALL *MAGICKpfn_clRetainEvent)(cl_event event)
219     CL_API_SUFFIX__VERSION_1_0;
220 
221 typedef CL_API_ENTRY cl_int
222   (CL_API_CALL *MAGICKpfn_clSetEventCallback)(cl_event event,
223     cl_int command_exec_callback_type,void (CL_CALLBACK *MAGICKpfn_notify)(
224       cl_event,cl_int,void *),void *user_data) CL_API_SUFFIX__VERSION_1_1;
225 
226 
227 /* Profiling APIs */
228 typedef CL_API_ENTRY cl_int
229   (CL_API_CALL *MAGICKpfn_clGetEventProfilingInfo)(cl_event event,
230     cl_profiling_info param_name,size_t param_value_size,void *param_value,
231     size_t *param_value_size_ret) CL_API_SUFFIX__VERSION_1_0;
232 
233 typedef struct MagickLibraryRec MagickLibrary;
234 
235 struct MagickLibraryRec
236 {
237   MAGICKpfn_clGetPlatformIDs          clGetPlatformIDs;
238   MAGICKpfn_clGetPlatformInfo         clGetPlatformInfo;
239 
240   MAGICKpfn_clGetDeviceIDs            clGetDeviceIDs;
241   MAGICKpfn_clGetDeviceInfo           clGetDeviceInfo;
242 
243   MAGICKpfn_clCreateContext           clCreateContext;
244   MAGICKpfn_clReleaseContext          clReleaseContext;
245 
246   MAGICKpfn_clCreateCommandQueue      clCreateCommandQueue;
247   MAGICKpfn_clReleaseCommandQueue     clReleaseCommandQueue;
248   MAGICKpfn_clFlush                   clFlush;
249   MAGICKpfn_clFinish                  clFinish;
250 
251   MAGICKpfn_clCreateBuffer            clCreateBuffer;
252   MAGICKpfn_clReleaseMemObject        clReleaseMemObject;
253 
254   MAGICKpfn_clCreateProgramWithSource clCreateProgramWithSource;
255   MAGICKpfn_clCreateProgramWithBinary clCreateProgramWithBinary;
256   MAGICKpfn_clReleaseProgram          clReleaseProgram;
257   MAGICKpfn_clBuildProgram            clBuildProgram;
258   MAGICKpfn_clGetProgramBuildInfo     clGetProgramBuildInfo;
259   MAGICKpfn_clGetProgramInfo          clGetProgramInfo;
260 
261   MAGICKpfn_clCreateKernel            clCreateKernel;
262   MAGICKpfn_clReleaseKernel           clReleaseKernel;
263   MAGICKpfn_clSetKernelArg            clSetKernelArg;
264   MAGICKpfn_clGetKernelInfo           clGetKernelInfo;
265 
266   MAGICKpfn_clEnqueueReadBuffer       clEnqueueReadBuffer;
267   MAGICKpfn_clEnqueueMapBuffer        clEnqueueMapBuffer;
268   MAGICKpfn_clEnqueueUnmapMemObject   clEnqueueUnmapMemObject;
269   MAGICKpfn_clEnqueueNDRangeKernel    clEnqueueNDRangeKernel;
270 
271   MAGICKpfn_clWaitForEvents           clWaitForEvents;
272   MAGICKpfn_clReleaseEvent            clReleaseEvent;
273   MAGICKpfn_clRetainEvent             clRetainEvent;
274   MAGICKpfn_clSetEventCallback        clSetEventCallback;
275 
276   MAGICKpfn_clGetEventProfilingInfo   clGetEventProfilingInfo;
277 };
278 
279 struct _MagickCLDevice
280 {
281   char
282     *name,
283     *platform_name,
284     *version;
285 
286   cl_command_queue
287     command_queues[MAGICKCORE_OPENCL_COMMAND_QUEUES];
288 
289   cl_context
290     context;
291 
292   cl_device_id
293     deviceID;
294 
295   cl_device_type
296     type;
297 
298   cl_program
299     program;
300 
301   cl_uint
302     max_clock_frequency,
303     max_compute_units;
304 
305   cl_ulong
306     local_memory_size;
307 
308   double
309     score;
310 
311   KernelProfileRecord
312     *profile_records;
313 
314   MagickBooleanType
315     enabled,
316     profile_kernels;
317 
318   SemaphoreInfo
319     *lock;
320 
321   size_t
322     requested;
323 
324   ssize_t
325     command_queues_index;
326 };
327 
328 typedef struct _MagickCLEnv
329 {
330   cl_context
331     *contexts;
332 
333   double
334     cpu_score;
335 
336   MagickBooleanType
337     enabled,
338     initialized;
339 
340   MagickCLDevice
341     *devices;
342 
343   MagickLibrary
344     *library;
345 
346   MagickThreadType
347     benchmark_thread_id;
348 
349   SemaphoreInfo
350     *lock;
351 
352   size_t
353     number_contexts,
354     number_devices;
355 } *MagickCLEnv;
356 
357 #if defined(MAGICKCORE_HDRI_SUPPORT)
358 #define CLOptions "-cl-single-precision-constant -cl-mad-enable -DMAGICKCORE_HDRI_SUPPORT=1 "\
359   "-DCLQuantum=float -DCLSignedQuantum=float -DCLPixelType=float4 -DQuantumRange=%ff " \
360   "-DQuantumScale=%f -DCharQuantumScale=%f -DMagickEpsilon=%f -DMagickPI=%f "\
361   "-DMaxMap=%u -DMAGICKCORE_QUANTUM_DEPTH=%u"
362 #define CLQuantum  cl_float
363 #define CLPixelPacket  cl_float4
364 #define CLCharQuantumScale 1.0f
365 #elif (MAGICKCORE_QUANTUM_DEPTH == 8)
366 #define CLOptions "-cl-single-precision-constant -cl-mad-enable " \
367   "-DCLQuantum=uchar -DCLSignedQuantum=char -DCLPixelType=uchar4 -DQuantumRange=%ff " \
368   "-DQuantumScale=%ff -DCharQuantumScale=%ff -DMagickEpsilon=%ff -DMagickPI=%ff "\
369   "-DMaxMap=%u -DMAGICKCORE_QUANTUM_DEPTH=%u"
370 #define CLQuantum  cl_uchar
371 #define CLPixelPacket  cl_uchar4
372 #define CLCharQuantumScale 1.0f
373 #elif (MAGICKCORE_QUANTUM_DEPTH == 16)
374 #define CLOptions "-cl-single-precision-constant -cl-mad-enable " \
375   "-DCLQuantum=ushort -DCLSignedQuantum=short -DCLPixelType=ushort4 -DQuantumRange=%ff "\
376   "-DQuantumScale=%f -DCharQuantumScale=%f -DMagickEpsilon=%f -DMagickPI=%f "\
377   "-DMaxMap=%u -DMAGICKCORE_QUANTUM_DEPTH=%u"
378 #define CLQuantum  cl_ushort
379 #define CLPixelPacket  cl_ushort4
380 #define CLCharQuantumScale 257.0f
381 #elif (MAGICKCORE_QUANTUM_DEPTH == 32)
382 #define CLOptions "-cl-single-precision-constant -cl-mad-enable " \
383   "-DCLQuantum=uint -DCLSignedQuantum=int -DCLPixelType=uint4 -DQuantumRange=%ff "\
384   "-DQuantumScale=%f -DCharQuantumScale=%f -DMagickEpsilon=%f -DMagickPI=%f "\
385   "-DMaxMap=%u -DMAGICKCORE_QUANTUM_DEPTH=%u"
386 #define CLQuantum  cl_uint
387 #define CLPixelPacket  cl_uint4
388 #define CLCharQuantumScale 16843009.0f
389 #elif (MAGICKCORE_QUANTUM_DEPTH == 64)
390 #define CLOptions "-cl-single-precision-constant -cl-mad-enable " \
391   "-DCLQuantum=ulong -DCLSignedQuantum=long -DCLPixelType=ulong4 -DQuantumRange=%ff "\
392   "-DQuantumScale=%f -DCharQuantumScale=%f -DMagickEpsilon=%f -DMagickPI=%f "\
393   "-DMaxMap=%u -DMAGICKCORE_QUANTUM_DEPTH=%u"
394 #define CLQuantum  cl_ulong
395 #define CLPixelPacket  cl_ulong4
396 #define CLCharQuantumScale 72340172838076673.0f
397 #endif
398 
399 extern MagickPrivate cl_command_queue
400   AcquireOpenCLCommandQueue(MagickCLDevice);
401 
402 extern MagickPrivate cl_int
403   SetOpenCLKernelArg(cl_kernel,cl_uint,size_t,const void *);
404 
405 extern MagickPrivate cl_kernel
406   AcquireOpenCLKernel(MagickCLDevice,const char *);
407 
408 extern MagickPrivate cl_mem
409   CreateOpenCLBuffer(MagickCLDevice,cl_mem_flags,size_t,void *);
410 
411 extern MagickPrivate MagickBooleanType
412   EnqueueOpenCLKernel(cl_command_queue,cl_kernel,cl_uint,const size_t *,
413     const size_t *,const size_t *,const Image *,const Image *,ExceptionInfo *),
414   InitializeOpenCL(MagickCLEnv,ExceptionInfo *),
415   OpenCLThrowMagickException(MagickCLDevice,ExceptionInfo *,
416     const char *,const char *,const size_t,const ExceptionType,const char *,
417     const char *,...),
418   RecordProfileData(MagickCLDevice,cl_kernel,cl_event);
419 
420 extern MagickPrivate MagickCLCacheInfo
421   AcquireMagickCLCacheInfo(MagickCLDevice,Quantum *,const MagickSizeType),
422   CopyMagickCLCacheInfo(MagickCLCacheInfo),
423   RelinquishMagickCLCacheInfo(MagickCLCacheInfo,const MagickBooleanType);
424 
425 extern MagickPrivate MagickCLDevice
426   RequestOpenCLDevice(MagickCLEnv);
427 
428 extern MagickPrivate MagickCLEnv
429   GetCurrentOpenCLEnv(void);
430 
431 extern MagickPrivate unsigned long
432   GetOpenCLDeviceLocalMemorySize(const MagickCLDevice);
433 
434 extern MagickPrivate void
435   DumpOpenCLProfileData(),
436   OpenCLTerminus(),
437   ReleaseOpenCLCommandQueue(MagickCLDevice,cl_command_queue),
438   ReleaseOpenCLDevice(MagickCLDevice),
439   ReleaseOpenCLKernel(cl_kernel),
440   ReleaseOpenCLMemObject(cl_mem),
441   RetainOpenCLEvent(cl_event);
442 
443 #endif
444 
445 #if defined(__cplusplus) || defined(c_plusplus)
446 }
447 #endif
448 
449 #endif
450