GDAL
gdalwarpkernel_opencl.h
1 /******************************************************************************
2  * $Id$
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 #define CL_TARGET_OPENCL_VERSION 100
41 
42 #ifdef __APPLE__
43 #include <OpenCL/opencl.h>
44 #else
45 #include <CL/opencl.h>
46 #endif
47 
48 #ifdef __cplusplus /* If this is a C++ compiler, use C linkage */
49 extern "C"
50 {
51 #endif
52 
53  typedef enum
54  {
55  OCL_Bilinear = 10,
56  OCL_Cubic = 11,
57  OCL_CubicSpline = 12,
58  OCL_Lanczos = 13
59  } OCLResampAlg;
60 
61  typedef enum
62  {
63  VENDOR_OTHER,
64  VENDOR_AMD,
65  VENDOR_INTEL
66  } OCLVendor;
67 
68  struct oclWarper
69  {
70  cl_command_queue queue;
71  cl_context context;
72  cl_device_id dev;
73  cl_kernel kern1;
74  cl_kernel kern4;
75 
76  int srcWidth;
77  int srcHeight;
78  int dstWidth;
79  int dstHeight;
80 
81  int useUnifiedSrcDensity;
82  int useUnifiedSrcValid;
83  int useDstDensity;
84  int useDstValid;
85 
86  int numBands;
87  int numImages;
88  OCLResampAlg resampAlg;
89 
90  cl_channel_type imageFormat;
91  cl_mem *realWorkCL;
92 
93  union
94  {
95  void **v;
96  char **c;
97  unsigned char **uc;
98  short **s;
99  unsigned short **us;
100  float **f;
101  } realWork;
102 
103  cl_mem *imagWorkCL;
104 
105  union
106  {
107  void **v;
108  char **c;
109  unsigned char **uc;
110  short **s;
111  unsigned short **us;
112  float **f;
113  } imagWork;
114 
115  cl_mem *dstRealWorkCL;
116 
117  union
118  {
119  void **v;
120  char **c;
121  unsigned char **uc;
122  short **s;
123  unsigned short **us;
124  float **f;
125  } dstRealWork;
126 
127  cl_mem *dstImagWorkCL;
128 
129  union
130  {
131  void **v;
132  char **c;
133  unsigned char **uc;
134  short **s;
135  unsigned short **us;
136  float **f;
137  } dstImagWork;
138 
139  unsigned int imgChSize1;
140  cl_channel_order imgChOrder1;
141  unsigned int imgChSize4;
142  cl_channel_order imgChOrder4;
143  char useVec;
144 
145  cl_mem useBandSrcValidCL;
146  char *useBandSrcValid;
147 
148  cl_mem nBandSrcValidCL;
149  float *nBandSrcValid;
150 
151  cl_mem xyWorkCL;
152  float *xyWork;
153 
154  int xyWidth;
155  int xyHeight;
156  int coordMult;
157 
158  unsigned int xyChSize;
159  cl_channel_order xyChOrder;
160 
161  cl_mem fDstNoDataRealCL;
162  float *fDstNoDataReal;
163 
164  OCLVendor eCLVendor;
165  };
166 
167  struct oclWarper *GDALWarpKernelOpenCL_createEnv(
168  int srcWidth, int srcHeight, int dstWidth, int dstHeight,
169  cl_channel_type imageFormat, int numBands, int coordMult, int useImag,
170  int useBandSrcValid, float *fDstDensity, double *dfDstNoDataReal,
171  OCLResampAlg resampAlg, cl_int *envErr);
172 
173  cl_int GDALWarpKernelOpenCL_setSrcValid(struct oclWarper *warper,
174  int *bandSrcValid, int bandNum);
175 
176  cl_int GDALWarpKernelOpenCL_setSrcImg(struct oclWarper *warper,
177  void *imgData, int bandNum);
178 
179  cl_int GDALWarpKernelOpenCL_setDstImg(struct oclWarper *warper,
180  void *imgData, int bandNum);
181 
182  cl_int GDALWarpKernelOpenCL_setCoordRow(struct oclWarper *warper,
183  double *rowSrcX, double *rowSrcY,
184  double srcXOff, double srcYOff,
185  int *success, int rowNum);
186 
187  cl_int GDALWarpKernelOpenCL_runResamp(
188  struct oclWarper *warper, float *unifiedSrcDensity,
189  unsigned int *unifiedSrcValid, float *dstDensity,
190  unsigned int *dstValid, double dfXScale, double dfYScale,
191  double dfXFilter, double dfYFilter, int nXRadius, int nYRadius,
192  int nFiltInitX, int nFiltInitY);
193 
194  cl_int GDALWarpKernelOpenCL_getRow(struct oclWarper *warper, void **rowReal,
195  void **rowImag, int rowNum, int bandNum);
196 
197  cl_int GDALWarpKernelOpenCL_deleteEnv(struct oclWarper *warper);
198 
199 #ifdef __cplusplus /* If this is a C++ compiler, end C linkage */
200 }
201 #endif
202 
203 #endif /* defined(HAVE_OPENCL) */
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