GDAL
gdalwarpkernel_opencl.h
1 /******************************************************************************
2  * $Id: gdalwarpkernel_opencl.h 678d89afcc4ec43e300b2f337b51349139543d01 2016-06-30 22:42:39Z Kurt Schwehr $
3  *
4  * Project: OpenCL Image Reprojector
5  * Purpose: Implementation of the GDALWarpKernel reprojector in OpenCL.
6  * Author: Seth Price, seth@pricepages.org
7  *
8  ******************************************************************************
9  * Copyright (c) 2010, Seth Price <seth@pricepages.org>
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
26  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
27  * DEALINGS IN THE SOFTWARE.
28  ****************************************************************************/
29 
30 #if defined(HAVE_OPENCL)
31 
32 /* The following relates to the profiling calls to
33  clSetCommandQueueProperty() which are not available by default
34  with some OpenCL implementation (i.e. ATI) */
35 
36 #if defined(DEBUG_OPENCL) && DEBUG_OPENCL == 1
37 #define CL_USE_DEPRECATED_OPENCL_1_0_APIS
38 #endif
39 
40 #ifdef __APPLE__
41 #include <OpenCL/OpenCL.h>
42 #else
43 #include <CL/opencl.h>
44 #endif
45 
46 #ifdef __cplusplus /* If this is a C++ compiler, use C linkage */
47 extern "C" {
48 #endif
49 
50 typedef enum {
51  OCL_Bilinear=10,
52  OCL_Cubic=11,
53  OCL_CubicSpline=12,
54  OCL_Lanczos=13
55 } OCLResampAlg;
56 
57 typedef enum
58 {
59  VENDOR_OTHER,
60  VENDOR_AMD,
61  VENDOR_INTEL
62 } OCLVendor;
63 
64 struct oclWarper {
65  cl_command_queue queue;
66  cl_context context;
67  cl_device_id dev;
68  cl_kernel kern1;
69  cl_kernel kern4;
70 
71  int srcWidth;
72  int srcHeight;
73  int dstWidth;
74  int dstHeight;
75 
76  int useUnifiedSrcDensity;
77  int useUnifiedSrcValid;
78  int useDstDensity;
79  int useDstValid;
80 
81  int numBands;
82  int numImages;
83  OCLResampAlg resampAlg;
84 
85  cl_channel_type imageFormat;
86  cl_mem *realWorkCL;
87  union {
88  void **v;
89  char **c;
90  unsigned char **uc;
91  short **s;
92  unsigned short **us;
93  float **f;
94  } realWork;
95 
96  cl_mem *imagWorkCL;
97  union {
98  void **v;
99  char **c;
100  unsigned char **uc;
101  short **s;
102  unsigned short **us;
103  float **f;
104  } imagWork;
105 
106  cl_mem *dstRealWorkCL;
107  union {
108  void **v;
109  char **c;
110  unsigned char **uc;
111  short **s;
112  unsigned short **us;
113  float **f;
114  } dstRealWork;
115 
116  cl_mem *dstImagWorkCL;
117  union {
118  void **v;
119  char **c;
120  unsigned char **uc;
121  short **s;
122  unsigned short **us;
123  float **f;
124  } dstImagWork;
125 
126  unsigned int imgChSize1;
127  cl_channel_order imgChOrder1;
128  unsigned int imgChSize4;
129  cl_channel_order imgChOrder4;
130  char useVec;
131 
132  cl_mem useBandSrcValidCL;
133  char *useBandSrcValid;
134 
135  cl_mem nBandSrcValidCL;
136  float *nBandSrcValid;
137 
138  cl_mem xyWorkCL;
139  float *xyWork;
140 
141  int xyWidth;
142  int xyHeight;
143  int coordMult;
144 
145  unsigned int xyChSize;
146  cl_channel_order xyChOrder;
147 
148  cl_mem fDstNoDataRealCL;
149  float *fDstNoDataReal;
150 
151  OCLVendor eCLVendor;
152 };
153 
154 struct oclWarper* GDALWarpKernelOpenCL_createEnv(int srcWidth, int srcHeight,
155  int dstWidth, int dstHeight,
156  cl_channel_type imageFormat,
157  int numBands, int coordMult,
158  int useImag, int useBandSrcValid,
159  float *fDstDensity,
160  double *dfDstNoDataReal,
161  OCLResampAlg resampAlg, cl_int *envErr);
162 
163 cl_int GDALWarpKernelOpenCL_setSrcValid(struct oclWarper *warper,
164  int *bandSrcValid, int bandNum);
165 
166 cl_int GDALWarpKernelOpenCL_setSrcImg(struct oclWarper *warper, void *imgData,
167  int bandNum);
168 
169 cl_int GDALWarpKernelOpenCL_setDstImg(struct oclWarper *warper, void *imgData,
170  int bandNum);
171 
172 cl_int GDALWarpKernelOpenCL_setCoordRow(struct oclWarper *warper,
173  double *rowSrcX, double *rowSrcY,
174  double srcXOff, double srcYOff,
175  int *success, int rowNum);
176 
177 cl_int GDALWarpKernelOpenCL_runResamp(struct oclWarper *warper,
178  float *unifiedSrcDensity,
179  unsigned int *unifiedSrcValid,
180  float *dstDensity,
181  unsigned int *dstValid,
182  double dfXScale, double dfYScale,
183  double dfXFilter, double dfYFilter,
184  int nXRadius, int nYRadius,
185  int nFiltInitX, int nFiltInitY);
186 
187 cl_int GDALWarpKernelOpenCL_getRow(struct oclWarper *warper,
188  void **rowReal, void **rowImag,
189  int rowNum, int bandNum);
190 
191 cl_int GDALWarpKernelOpenCL_deleteEnv(struct oclWarper *warper);
192 
193 #ifdef __cplusplus /* If this is a C++ compiler, end C linkage */
194 }
195 #endif
196 
197 #endif /* defined(HAVE_OPENCL) */
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