68 lines
2.7 KiB
C
68 lines
2.7 KiB
C
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <jni.h>
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#include "extcl.h"
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typedef CL_API_ENTRY void * (CL_API_CALL *clGetExtensionFunctionAddressPROC) (const char * func_name);
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static clGetExtensionFunctionAddressPROC clGetExtensionFunctionAddress;
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/**
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* Retrieves a pointer to the named function
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*
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* @param function Name of function
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* @return pointer to named function, or NULL if not found
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*/
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void* extcl_GetProcAddress(const char * function) {
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void *p = NULL;
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if ( clGetExtensionFunctionAddress == NULL )
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clGetExtensionFunctionAddress = extcl_NativeGetFunctionPointer("clGetExtensionFunctionAddress");
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p = clGetExtensionFunctionAddress(function);
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if ( p == NULL )
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p = extcl_NativeGetFunctionPointer(function);
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return p;
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}
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void extcl_InitializeClass(JNIEnv *env, jclass clazz, int num_functions, JavaMethodAndExtFunction *functions) {
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ext_InitializeClass(env, clazz, &extcl_GetProcAddress, num_functions, functions);
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}
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size_t extcl_CalculateImageSize(const size_t *region, size_t row_pitch, size_t slice_pitch) {
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if ( slice_pitch == 0 )
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return region[1] * row_pitch;
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else
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return region[2] * slice_pitch;
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}
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