mirror of
https://github.com/shadowfacts/lwjgl2-arm64.git
synced 2026-02-04 06:44:28 +01:00
Removed NondirectBufferWrapper. It was only used in the Cursor constructor and in a way that could cause crashes: Passing heap buffers to both the images and delays arguments would result in both sharing the same direct memory.
This commit is contained in:
Ioannis Tsakpinis
parent
59a9a970b9
commit
f97ac09641
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@ -1,409 +0,0 @@
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/*
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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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package org.lwjgl;
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import java.nio.ByteBuffer;
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import java.nio.ShortBuffer;
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import java.nio.IntBuffer;
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import java.nio.FloatBuffer;
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import java.nio.LongBuffer;
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import java.nio.DoubleBuffer;
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import java.nio.ByteOrder;
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/**
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* Utility class to cache thread local direct buffers so when we are passed a non-direct buffer,
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* we can put its contents into a cached direct buffer and use that at the native side instead.
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*
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* Internal class, don't use.
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision: 2762 $
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* $Id: BufferChecks.java 2762 2007-04-11 16:13:05Z elias_naur $
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*/
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public final class NondirectBufferWrapper {
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private static final int INITIAL_BUFFER_SIZE = 1;
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private static final ThreadLocal<CachedBuffers> thread_buffer = new ThreadLocal<CachedBuffers>() {
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protected CachedBuffers initialValue() {
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return new CachedBuffers(INITIAL_BUFFER_SIZE);
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}
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};
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private static CachedBuffers getCachedBuffers(int minimum_byte_size) {
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CachedBuffers buffers = thread_buffer.get();
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int current_byte_size = buffers.byte_buffer.capacity();
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if (minimum_byte_size > current_byte_size) {
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buffers = new CachedBuffers(minimum_byte_size);
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thread_buffer.set(buffers);
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}
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return buffers;
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}
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public static ByteBuffer wrapNoCopyBuffer(ByteBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapNoCopyDirect(buf);
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}
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public static ShortBuffer wrapNoCopyBuffer(ShortBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapNoCopyDirect(buf);
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}
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public static IntBuffer wrapNoCopyBuffer(IntBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapNoCopyDirect(buf);
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}
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public static LongBuffer wrapNoCopyBuffer(LongBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapNoCopyDirect(buf);
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}
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public static FloatBuffer wrapNoCopyBuffer(FloatBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapNoCopyDirect(buf);
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}
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public static DoubleBuffer wrapNoCopyBuffer(DoubleBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapNoCopyDirect(buf);
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}
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public static ByteBuffer wrapBuffer(ByteBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapDirect(buf);
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}
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public static ShortBuffer wrapBuffer(ShortBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapDirect(buf);
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}
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public static IntBuffer wrapBuffer(IntBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapDirect(buf);
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}
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public static LongBuffer wrapBuffer(LongBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapDirect(buf);
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}
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public static FloatBuffer wrapBuffer(FloatBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapDirect(buf);
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}
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public static DoubleBuffer wrapBuffer(DoubleBuffer buf, int size) {
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BufferChecks.checkBufferSize(buf, size);
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return wrapDirect(buf);
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}
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public static ByteBuffer wrapDirect(ByteBuffer buffer) {
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if (!buffer.isDirect())
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return doWrap(buffer);
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return buffer;
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}
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public static ShortBuffer wrapDirect(ShortBuffer buffer) {
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if (!buffer.isDirect())
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return doWrap(buffer);
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return buffer;
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}
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public static FloatBuffer wrapDirect(FloatBuffer buffer) {
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if (!buffer.isDirect())
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return doWrap(buffer);
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return buffer;
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}
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public static IntBuffer wrapDirect(IntBuffer buffer) {
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if (!buffer.isDirect())
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return doWrap(buffer);
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return buffer;
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}
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public static LongBuffer wrapDirect(LongBuffer buffer) {
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if (!buffer.isDirect())
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return doWrap(buffer);
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return buffer;
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}
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public static DoubleBuffer wrapDirect(DoubleBuffer buffer) {
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if (!buffer.isDirect())
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return doWrap(buffer);
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return buffer;
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}
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public static ByteBuffer wrapNoCopyDirect(ByteBuffer buffer) {
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if (!buffer.isDirect())
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return doNoCopyWrap(buffer);
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return buffer;
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}
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public static ShortBuffer wrapNoCopyDirect(ShortBuffer buffer) {
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if (!buffer.isDirect())
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return doNoCopyWrap(buffer);
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return buffer;
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}
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public static FloatBuffer wrapNoCopyDirect(FloatBuffer buffer) {
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if (!buffer.isDirect())
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return doNoCopyWrap(buffer);
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return buffer;
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}
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public static IntBuffer wrapNoCopyDirect(IntBuffer buffer) {
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if (!buffer.isDirect())
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return doNoCopyWrap(buffer);
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return buffer;
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}
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public static LongBuffer wrapNoCopyDirect(LongBuffer buffer) {
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if (!buffer.isDirect())
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return doNoCopyWrap(buffer);
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return buffer;
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}
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public static DoubleBuffer wrapNoCopyDirect(DoubleBuffer buffer) {
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if (!buffer.isDirect())
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return doNoCopyWrap(buffer);
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return buffer;
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}
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public static void copy(ByteBuffer src, ByteBuffer dst) {
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if (dst != null && !dst.isDirect()) {
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int saved_position = dst.position();
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dst.put(src);
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dst.position(saved_position);
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}
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}
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public static void copy(ShortBuffer src, ShortBuffer dst) {
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if (dst != null && !dst.isDirect()) {
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int saved_position = dst.position();
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dst.put(src);
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dst.position(saved_position);
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}
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}
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public static void copy(IntBuffer src, IntBuffer dst) {
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if (dst != null && !dst.isDirect()) {
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int saved_position = dst.position();
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dst.put(src);
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dst.position(saved_position);
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}
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}
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public static void copy(FloatBuffer src, FloatBuffer dst) {
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if (dst != null && !dst.isDirect()) {
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int saved_position = dst.position();
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dst.put(src);
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dst.position(saved_position);
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}
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}
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public static void copy(LongBuffer src, LongBuffer dst) {
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if (dst != null && !dst.isDirect()) {
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int saved_position = dst.position();
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dst.put(src);
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dst.position(saved_position);
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}
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}
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public static void copy(DoubleBuffer src, DoubleBuffer dst) {
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if (dst != null && !dst.isDirect()) {
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int saved_position = dst.position();
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dst.put(src);
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dst.position(saved_position);
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}
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}
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private static ByteBuffer doNoCopyWrap(ByteBuffer buffer) {
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ByteBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.limit(buffer.limit());
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direct_buffer.position(buffer.position());
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return direct_buffer;
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}
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private static ShortBuffer doNoCopyWrap(ShortBuffer buffer) {
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ShortBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.limit(buffer.limit());
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direct_buffer.position(buffer.position());
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return direct_buffer;
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}
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private static IntBuffer doNoCopyWrap(IntBuffer buffer) {
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IntBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.limit(buffer.limit());
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direct_buffer.position(buffer.position());
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return direct_buffer;
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}
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private static FloatBuffer doNoCopyWrap(FloatBuffer buffer) {
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FloatBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.limit(buffer.limit());
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direct_buffer.position(buffer.position());
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return direct_buffer;
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}
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private static LongBuffer doNoCopyWrap(LongBuffer buffer) {
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LongBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.limit(buffer.limit());
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direct_buffer.position(buffer.position());
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return direct_buffer;
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}
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private static DoubleBuffer doNoCopyWrap(DoubleBuffer buffer) {
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DoubleBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.limit(buffer.limit());
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direct_buffer.position(buffer.position());
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return direct_buffer;
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}
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private static ByteBuffer lookupBuffer(ByteBuffer buffer) {
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return getCachedBuffers(buffer.remaining()).byte_buffer;
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}
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private static ByteBuffer doWrap(ByteBuffer buffer) {
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ByteBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.clear();
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int saved_position = buffer.position();
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direct_buffer.put(buffer);
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buffer.position(saved_position);
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direct_buffer.flip();
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return direct_buffer;
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}
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private static ShortBuffer lookupBuffer(ShortBuffer buffer) {
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CachedBuffers buffers = getCachedBuffers(buffer.remaining()*2);
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return buffer.order() == ByteOrder.LITTLE_ENDIAN ? buffers.short_buffer_little : buffers.short_buffer_big;
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}
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private static ShortBuffer doWrap(ShortBuffer buffer) {
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ShortBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.clear();
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int saved_position = buffer.position();
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direct_buffer.put(buffer);
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buffer.position(saved_position);
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direct_buffer.flip();
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return direct_buffer;
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}
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private static FloatBuffer lookupBuffer(FloatBuffer buffer) {
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CachedBuffers buffers = getCachedBuffers(buffer.remaining()*4);
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return buffer.order() == ByteOrder.LITTLE_ENDIAN ? buffers.float_buffer_little : buffers.float_buffer_big;
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}
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private static FloatBuffer doWrap(FloatBuffer buffer) {
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FloatBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.clear();
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int saved_position = buffer.position();
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direct_buffer.put(buffer);
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buffer.position(saved_position);
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direct_buffer.flip();
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return direct_buffer;
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}
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private static IntBuffer lookupBuffer(IntBuffer buffer) {
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CachedBuffers buffers = getCachedBuffers(buffer.remaining()*4);
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return buffer.order() == ByteOrder.LITTLE_ENDIAN ? buffers.int_buffer_little : buffers.int_buffer_big;
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}
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private static IntBuffer doWrap(IntBuffer buffer) {
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IntBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.clear();
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int saved_position = buffer.position();
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direct_buffer.put(buffer);
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buffer.position(saved_position);
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direct_buffer.flip();
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return direct_buffer;
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}
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private static LongBuffer lookupBuffer(LongBuffer buffer) {
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CachedBuffers buffers = getCachedBuffers(buffer.remaining()*8);
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return buffer.order() == ByteOrder.LITTLE_ENDIAN ? buffers.long_buffer_little : buffers.long_buffer_big;
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}
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private static LongBuffer doWrap(LongBuffer buffer) {
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LongBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.clear();
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int saved_position = buffer.position();
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direct_buffer.put(buffer);
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buffer.position(saved_position);
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direct_buffer.flip();
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return direct_buffer;
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}
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private static DoubleBuffer lookupBuffer(DoubleBuffer buffer) {
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CachedBuffers buffers = getCachedBuffers(buffer.remaining()*8);
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return buffer.order() == ByteOrder.LITTLE_ENDIAN ? buffers.double_buffer_little : buffers.double_buffer_big;
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}
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private static DoubleBuffer doWrap(DoubleBuffer buffer) {
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DoubleBuffer direct_buffer = lookupBuffer(buffer);
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direct_buffer.clear();
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int saved_position = buffer.position();
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direct_buffer.put(buffer);
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buffer.position(saved_position);
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direct_buffer.flip();
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return direct_buffer;
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}
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private static final class CachedBuffers {
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private final ByteBuffer byte_buffer;
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private final ShortBuffer short_buffer_big;
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private final IntBuffer int_buffer_big;
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private final FloatBuffer float_buffer_big;
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private final LongBuffer long_buffer_big;
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private final DoubleBuffer double_buffer_big;
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private final ShortBuffer short_buffer_little;
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private final IntBuffer int_buffer_little;
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private final FloatBuffer float_buffer_little;
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private final LongBuffer long_buffer_little;
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private final DoubleBuffer double_buffer_little;
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private CachedBuffers(int size) {
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this.byte_buffer = ByteBuffer.allocateDirect(size);
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this.short_buffer_big = byte_buffer.asShortBuffer();
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this.int_buffer_big = byte_buffer.asIntBuffer();
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this.float_buffer_big = byte_buffer.asFloatBuffer();
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this.long_buffer_big = byte_buffer.asLongBuffer();
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this.double_buffer_big = byte_buffer.asDoubleBuffer();
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this.byte_buffer.order(ByteOrder.LITTLE_ENDIAN);
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this.short_buffer_little = byte_buffer.asShortBuffer();
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this.int_buffer_little = byte_buffer.asIntBuffer();
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this.float_buffer_little = byte_buffer.asFloatBuffer();
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this.long_buffer_little = byte_buffer.asLongBuffer();
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this.double_buffer_little = byte_buffer.asDoubleBuffer();
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}
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}
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}
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@ -33,10 +33,10 @@ package org.lwjgl.input;
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import java.nio.IntBuffer;
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import org.lwjgl.BufferChecks;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.LWJGLUtil;
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import org.lwjgl.NondirectBufferWrapper;
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import org.lwjgl.Sys;
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/**
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@ -86,9 +86,9 @@ public class Cursor {
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synchronized (OpenGLPackageAccess.global_lock) {
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if ((getCapabilities() & CURSOR_ONE_BIT_TRANSPARENCY) == 0)
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throw new LWJGLException("Native cursors not supported");
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images = NondirectBufferWrapper.wrapBuffer(images, width*height*numImages);
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BufferChecks.checkBufferSize(images, width*height*numImages);
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if (delays != null)
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delays = NondirectBufferWrapper.wrapBuffer(delays, numImages);
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BufferChecks.checkBufferSize(delays, numImages);
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if (!Mouse.isCreated())
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throw new IllegalStateException("Mouse must be created before creating cursor objects");
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if (width*height*numImages > images.remaining())
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|
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@ -599,22 +599,6 @@ public class JavaMethodsGenerator {
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}
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}
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private static void printNondirectParameterCopies(PrintWriter writer, MethodDeclaration method, Mode mode) {
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for (ParameterDeclaration param : method.getParameters()) {
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Class java_type = Utils.getJavaType(param.getType());
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if (Utils.isAddressableType(java_type) &&
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(mode != Mode.BUFFEROBJECT || param.getAnnotation(BufferObject.class) == null) &&
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(mode != Mode.AUTOS || getAutoTypeParameter(method, param) == null) &&
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param.getAnnotation(Result.class) == null) {
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if (Buffer.class.isAssignableFrom(java_type)) {
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boolean out_parameter = param.getAnnotation(OutParameter.class) != null;
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if (out_parameter)
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writer.println("\t\tNondirectBufferWrapper.copy(" + param.getSimpleName() + ", " + param.getSimpleName() + SAVED_PARAMETER_POSTFIX + ");");
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}
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}
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}
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}
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private static void printParameterChecks(PrintWriter writer, MethodDeclaration method, Map<ParameterDeclaration, TypeInfo> typeinfos, Mode mode, final boolean generate_error_checks) {
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if ( mode == Mode.NORMAL ) {
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final GenerateAutos gen_autos_annotation = method.getAnnotation(GenerateAutos.class);
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@ -650,10 +634,9 @@ public class JavaMethodsGenerator {
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can_be_null = check_annotation.canBeNull();
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}
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if ((Buffer.class.isAssignableFrom(java_type) || PointerBuffer.class.isAssignableFrom(java_type)) && param.getAnnotation(Constant.class) == null) {
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boolean indirect_buffer_allowed = false && param.getAnnotation(CachedReference.class) == null; // DISABLED: indirect buffer support
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boolean out_parameter = param.getAnnotation(OutParameter.class) != null;
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TypeInfo typeinfo = typeinfos.get(param);
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printParameterCheck(writer, method, param.getSimpleName(), typeinfo.getType().getSimpleName(), check_value, can_be_null, param.getAnnotation(NullTerminated.class), indirect_buffer_allowed, out_parameter, generate_error_checks);
|
||||
printParameterCheck(writer, method, param.getSimpleName(), typeinfo.getType().getSimpleName(), check_value, can_be_null, param.getAnnotation(NullTerminated.class), out_parameter, generate_error_checks);
|
||||
} else if ( String.class.equals(java_type)) {
|
||||
if (!can_be_null)
|
||||
writer.println("\t\tBufferChecks.checkNotNull(" + param.getSimpleName() + ");");
|
||||
|
|
@ -664,13 +647,10 @@ public class JavaMethodsGenerator {
|
|||
}
|
||||
}
|
||||
if (method.getAnnotation(CachedResult.class) != null)
|
||||
printParameterCheck(writer, method, Utils.CACHED_BUFFER_NAME, null, null, true, null, false, false, generate_error_checks);
|
||||
printParameterCheck(writer, method, Utils.CACHED_BUFFER_NAME, null, null, true, null, false, generate_error_checks);
|
||||
}
|
||||
|
||||
private static void printParameterCheck(PrintWriter writer, MethodDeclaration method, String name, String type, String check_value, boolean can_be_null, NullTerminated null_terminated, boolean indirect_buffer_allowed, boolean out_parameter, final boolean generate_error_checks) {
|
||||
if (indirect_buffer_allowed && out_parameter) {
|
||||
writer.println("\t\t" + type + " " + name + SAVED_PARAMETER_POSTFIX + " = " + name + ";");
|
||||
}
|
||||
private static void printParameterCheck(PrintWriter writer, MethodDeclaration method, String name, String type, String check_value, boolean can_be_null, NullTerminated null_terminated, boolean out_parameter, boolean generate_error_checks) {
|
||||
String tabs;
|
||||
if (can_be_null) {
|
||||
writer.print("\t\tif (" + name + " != null)");
|
||||
|
|
@ -681,12 +661,7 @@ public class JavaMethodsGenerator {
|
|||
tabs = "\t\t\t";
|
||||
} else
|
||||
tabs = "\t\t";
|
||||
if (indirect_buffer_allowed) {
|
||||
writer.print(tabs + name + " = NondirectBufferWrapper.wrap");
|
||||
if (out_parameter)
|
||||
writer.print("NoCopy");
|
||||
} else
|
||||
writer.print(tabs + "BufferChecks.check");
|
||||
writer.print(tabs + "BufferChecks.check");
|
||||
if (check_value != null && check_value.length() > 0) {
|
||||
writer.print("Buffer");
|
||||
if ( "Buffer".equals(type) )
|
||||
|
|
|
|||
Loading…
Reference in a new issue