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1 /**********************************************************************************
2  * Copyright (c) 2008 - 2012 The Khronos Group Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and/or associated documentation files (the
6  * "Materials"), to deal in the Materials without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Materials, and to
9  * permit persons to whom the Materials are furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included
13  * in all copies or substantial portions of the Materials.
14  *
15  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21  * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
22  **********************************************************************************/
23 
24 #ifndef __OPENCL_CL_GL_H
25 #define __OPENCL_CL_GL_H
26 
27 #ifdef __APPLE__
28 #include <OpenCL/cl.h>
29 #else
30 #include <CL/cl.h>
31 #endif
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 typedef cl_uint     cl_gl_object_type;
38 typedef cl_uint     cl_gl_texture_info;
39 typedef cl_uint     cl_gl_platform_info;
40 typedef struct __GLsync *cl_GLsync;
41 
42 /* cl_gl_object_type = 0x2000 - 0x200F enum values are currently taken           */
43 #define CL_GL_OBJECT_BUFFER                     0x2000
44 #define CL_GL_OBJECT_TEXTURE2D                  0x2001
45 #define CL_GL_OBJECT_TEXTURE3D                  0x2002
46 #define CL_GL_OBJECT_RENDERBUFFER               0x2003
47 #define CL_GL_OBJECT_TEXTURE2D_ARRAY            0x200E
48 #define CL_GL_OBJECT_TEXTURE1D                  0x200F
49 #define CL_GL_OBJECT_TEXTURE1D_ARRAY            0x2010
50 #define CL_GL_OBJECT_TEXTURE_BUFFER             0x2011
51 
52 /* cl_gl_texture_info           */
53 #define CL_GL_TEXTURE_TARGET                    0x2004
54 #define CL_GL_MIPMAP_LEVEL                      0x2005
55 #define CL_GL_NUM_SAMPLES                       0x2012
56 
57 
58 extern CL_API_ENTRY cl_mem CL_API_CALL
59 clCreateFromGLBuffer(cl_context     /* context */,
60                      cl_mem_flags   /* flags */,
61                      cl_GLuint      /* bufobj */,
62                      int *          /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;
63 
64 extern CL_API_ENTRY cl_mem CL_API_CALL
65 clCreateFromGLTexture(cl_context      /* context */,
66                       cl_mem_flags    /* flags */,
67                       cl_GLenum       /* target */,
68                       cl_GLint        /* miplevel */,
69                       cl_GLuint       /* texture */,
70                       cl_int *        /* errcode_ret */) CL_API_SUFFIX__VERSION_1_2;
71 
72 extern CL_API_ENTRY cl_mem CL_API_CALL
73 clCreateFromGLRenderbuffer(cl_context   /* context */,
74                            cl_mem_flags /* flags */,
75                            cl_GLuint    /* renderbuffer */,
76                            cl_int *     /* errcode_ret */) CL_API_SUFFIX__VERSION_1_0;
77 
78 extern CL_API_ENTRY cl_int CL_API_CALL
79 clGetGLObjectInfo(cl_mem                /* memobj */,
80                   cl_gl_object_type *   /* gl_object_type */,
81                   cl_GLuint *           /* gl_object_name */) CL_API_SUFFIX__VERSION_1_0;
82 
83 extern CL_API_ENTRY cl_int CL_API_CALL
84 clGetGLTextureInfo(cl_mem               /* memobj */,
85                    cl_gl_texture_info   /* param_name */,
86                    size_t               /* param_value_size */,
87                    void *               /* param_value */,
88                    size_t *             /* param_value_size_ret */) CL_API_SUFFIX__VERSION_1_0;
89 
90 extern CL_API_ENTRY cl_int CL_API_CALL
91 clEnqueueAcquireGLObjects(cl_command_queue      /* command_queue */,
92                           cl_uint               /* num_objects */,
93                           const cl_mem *        /* mem_objects */,
94                           cl_uint               /* num_events_in_wait_list */,
95                           const cl_event *      /* event_wait_list */,
96                           cl_event *            /* event */) CL_API_SUFFIX__VERSION_1_0;
97 
98 extern CL_API_ENTRY cl_int CL_API_CALL
99 clEnqueueReleaseGLObjects(cl_command_queue      /* command_queue */,
100                           cl_uint               /* num_objects */,
101                           const cl_mem *        /* mem_objects */,
102                           cl_uint               /* num_events_in_wait_list */,
103                           const cl_event *      /* event_wait_list */,
104                           cl_event *            /* event */) CL_API_SUFFIX__VERSION_1_0;
105 
106 
107 /* Deprecated OpenCL 1.1 APIs */
108 extern CL_API_ENTRY CL_EXT_PREFIX__VERSION_1_1_DEPRECATED cl_mem CL_API_CALL
109 clCreateFromGLTexture2D(cl_context      /* context */,
110                         cl_mem_flags    /* flags */,
111                         cl_GLenum       /* target */,
112                         cl_GLint        /* miplevel */,
113                         cl_GLuint       /* texture */,
114                         cl_int *        /* errcode_ret */) CL_EXT_SUFFIX__VERSION_1_1_DEPRECATED;
115 
116 extern CL_API_ENTRY CL_EXT_PREFIX__VERSION_1_1_DEPRECATED cl_mem CL_API_CALL
117 clCreateFromGLTexture3D(cl_context      /* context */,
118                         cl_mem_flags    /* flags */,
119                         cl_GLenum       /* target */,
120                         cl_GLint        /* miplevel */,
121                         cl_GLuint       /* texture */,
122                         cl_int *        /* errcode_ret */) CL_EXT_SUFFIX__VERSION_1_1_DEPRECATED;
123 
124 /* cl_khr_gl_sharing extension  */
125 
126 #define cl_khr_gl_sharing 1
127 
128 typedef cl_uint     cl_gl_context_info;
129 
130 /* Additional Error Codes  */
131 #define CL_INVALID_GL_SHAREGROUP_REFERENCE_KHR  -1000
132 
133 /* cl_gl_context_info  */
134 #define CL_CURRENT_DEVICE_FOR_GL_CONTEXT_KHR    0x2006
135 #define CL_DEVICES_FOR_GL_CONTEXT_KHR           0x2007
136 
137 /* Additional cl_context_properties  */
138 #define CL_GL_CONTEXT_KHR                       0x2008
139 #define CL_EGL_DISPLAY_KHR                      0x2009
140 #define CL_GLX_DISPLAY_KHR                      0x200A
141 #define CL_WGL_HDC_KHR                          0x200B
142 #define CL_CGL_SHAREGROUP_KHR                   0x200C
143 
144 extern CL_API_ENTRY cl_int CL_API_CALL
145 clGetGLContextInfoKHR(const cl_context_properties * /* properties */,
146                       cl_gl_context_info            /* param_name */,
147                       size_t                        /* param_value_size */,
148                       void *                        /* param_value */,
149                       size_t *                      /* param_value_size_ret */) CL_API_SUFFIX__VERSION_1_0;
150 
151 typedef CL_API_ENTRY cl_int (CL_API_CALL *clGetGLContextInfoKHR_fn)(
152     const cl_context_properties * properties,
153     cl_gl_context_info            param_name,
154     size_t                        param_value_size,
155     void *                        param_value,
156     size_t *                      param_value_size_ret);
157 
158 #ifdef __cplusplus
159 }
160 #endif
161 
162 #endif  /* __OPENCL_CL_GL_H */
163