279 lines
8.9 KiB
Java
279 lines
8.9 KiB
Java
/*
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* Copyright (c) 2002-2010 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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package org.lwjgl.opencl;
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import org.lwjgl.opencl.api.CLBufferRegion;
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import org.lwjgl.opencl.api.CLImageFormat;
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import java.nio.Buffer;
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import java.nio.ByteBuffer;
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import java.nio.IntBuffer;
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/**
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* This class is a wrapper around a cl_mem pointer.
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*
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* @author Spasi
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*/
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public final class CLMem extends CLObjectChild<CLContext> {
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private static final CLMemUtil util = (CLMemUtil)CLPlatform.getInfoUtilInstance(CLMem.class, "CL_MEM_UTIL");
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CLMem(final long pointer, final CLContext context) {
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super(pointer, context);
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if ( isValid() )
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context.getCLMemRegistry().registerObject(this);
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}
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// ---------------[ UTILITY METHODS ]---------------
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/**
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* Creates a new 2D image object.
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*
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* @param context the context on which to create the image object
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* @param flags the memory object flags
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* @param image_format the image format
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* @param image_width the image width
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* @param image_height the image height
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* @param image_row_pitch the image row pitch
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* @param host_ptr the host buffer from which to read image data (optional)
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* @param errcode_ret the error code result
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*
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* @return the new CLMem object
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*/
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public static CLMem createImage2D(final CLContext context, final long flags, final CLImageFormat image_format,
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final long image_width, final long image_height, final long image_row_pitch,
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final Buffer host_ptr, final IntBuffer errcode_ret) {
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return util.createImage2D(context, flags, image_format, image_width, image_height, image_row_pitch, host_ptr, errcode_ret);
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}
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/**
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* Creates a new 3D image object.
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*
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* @param context the context on which to create the image object
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* @param flags the memory object flags
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* @param image_format the image format
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* @param image_width the image width
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* @param image_height the image height
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* @param image_depth the image depth
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* @param image_row_pitch the image row pitch
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* @param image_slice_pitch the image slice pitch
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* @param host_ptr the host buffer from which to read image data (optional)
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* @param errcode_ret the error code result
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*
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* @return the new CLMem object
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*/
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public static CLMem createImage3D(final CLContext context, final long flags, final CLImageFormat image_format,
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final long image_width, final long image_height, final long image_depth, final long image_row_pitch, final long image_slice_pitch,
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final Buffer host_ptr, final IntBuffer errcode_ret) {
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return util.createImage3D(context, flags, image_format, image_width, image_height, image_depth, image_row_pitch, image_slice_pitch, host_ptr, errcode_ret);
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}
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public CLMem createSubBuffer(final long flags, final int buffer_create_type, final CLBufferRegion buffer_create_info, final IntBuffer errcode_ret) {
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return util.createSubBuffer(this, flags, buffer_create_type, buffer_create_info, errcode_ret);
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}
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/**
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* Returns the integer value of the specified parameter.
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*
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* @param param_name the parameter
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*
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* @return the parameter value
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*/
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public int getInfoInt(int param_name) {
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return util.getInfoInt(this, param_name);
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}
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/**
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* Returns the size_t value of the specified parameter.
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*
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* @param param_name the parameter
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*
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* @return the parameter value
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*/
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public long getInfoSize(int param_name) {
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return util.getInfoSize(this, param_name);
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}
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/**
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* Returns the long value of the specified parameter. Can be used
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* for both cl_ulong and cl_bitfield parameters.
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*
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* @param param_name the parameter
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*
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* @return the parameter value
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*/
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public long getInfoLong(int param_name) {
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return util.getInfoLong(this, param_name);
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}
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/**
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* Returns a direct ByteBuffer instance that points to the host
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* memory that backs this CLMem object. Applicable only to CLMem
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* objects that were created with the CL_MEM_USE_HOST_PTR flag.
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*
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* @return the host memory ByteBuffer
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*/
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public ByteBuffer getInfoHostBuffer() {
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return util.getInfoHostBuffer(this);
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}
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// clGetImageInfo methods
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/**
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* Returns the size_t value of the specified parameter. Applicable to image objects only.
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*
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* @param param_name the parameter
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*
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* @return the parameter value
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*/
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public long getImageInfoSize(int param_name) {
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return util.getImageInfoSize(this, param_name);
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}
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/**
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* Returns the image format. Applicable to image objects only.
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*
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* @return the parameter value
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*/
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public CLImageFormat getImageFormat() {
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return util.getImageInfoFormat(this);
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}
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/**
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* Returns the image channel order. Applicable to image objects only.
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*
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* @return the parameter value
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*/
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public int getImageChannelOrder() {
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return util.getImageInfoFormat(this, 0);
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}
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/**
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* Returns the image channel type. Applicable to image objects only.
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*
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* @return the parameter value
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*/
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public int getImageChannelType() {
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return util.getImageInfoFormat(this, 1);
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}
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// clGetGLObjectInfo methods
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/**
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* Returns the GL object type. Applicable to CLMem objects
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* that have been created GL objects only.
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*
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* @return the parameter value
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*/
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public int getGLObjectType() {
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return util.getGLObjectType(this);
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}
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/**
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* Returns the GL object name. Applicable to CLMem objects
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* that have been created GL objects only.
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*
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* @return the parameter value
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*/
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public int getGLObjectName() {
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return util.getGLObjectName(this);
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}
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// clGetGLTextureInfo methods
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/**
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* Returns the int value of the specified parameter. Applicable to CLMem objects
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* that have been created by GL textures only.
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*
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* @param param_name the parameter
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*
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* @return the parameter value
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*/
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public int getGLTextureInfoInt(int param_name) {
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return util.getGLTextureInfoInt(this, param_name);
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}
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/** CLMem utility methods interface. */
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interface CLMemUtil extends InfoUtil<CLMem> {
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CLMem createImage2D(CLContext context, long flags, CLImageFormat image_format, long image_width, long image_height, long image_row_pitch, Buffer host_ptr, IntBuffer errcode_ret);
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CLMem createImage3D(CLContext context, long flags, CLImageFormat image_format, long image_width, long image_height, long image_depth, long image_row_pitch, long image_slice_pitch, Buffer host_ptr, IntBuffer errcode_ret);
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CLMem createSubBuffer(CLMem mem, long flags, int buffer_create_type, CLBufferRegion buffer_create_info, IntBuffer errcode_ret);
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ByteBuffer getInfoHostBuffer(CLMem mem);
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long getImageInfoSize(CLMem mem, int param_name);
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CLImageFormat getImageInfoFormat(CLMem mem);
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int getImageInfoFormat(CLMem mem, int index);
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int getGLObjectType(CLMem mem);
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int getGLObjectName(CLMem mem);
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int getGLTextureInfoInt(CLMem mem, int param_name);
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}
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// -------[ IMPLEMENTATION STUFF BELOW ]-------
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/**
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* Sub-buffer factory. clCreateSubBuffer may return an existing CLMem.
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*
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* @param pointer the sub-buffer id
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* @param context the context in which the sub-buffer was created
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*
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* @return the CLMem that represents the sub-buffer
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*/
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static CLMem create(final long pointer, final CLContext context) {
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CLMem clMem = context.getCLMemRegistry().getObject(pointer);
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if ( clMem == null )
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clMem = new CLMem(pointer, context);
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else
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clMem.retain();
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return clMem;
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}
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int release() {
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try {
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return super.release();
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} finally {
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if ( !isValid() )
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getParent().getCLMemRegistry().unregisterObject(this);
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}
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}
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} |