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<title>NVIDIA(R) Blast(R) SDK 1.1 Source Reference: sdk/common/NvBlastFixedBitmap.h Source File</title>
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<h1>sdk/common/NvBlastFixedBitmap.h</h1><a href="_nv_blast_fixed_bitmap_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This code contains NVIDIA Confidential Information and is disclosed to you</span>
<a name="l00002"></a>00002 <span class="comment">// under a form of NVIDIA software license agreement provided separately to you.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Notice</span>
<a name="l00005"></a>00005 <span class="comment">// NVIDIA Corporation and its licensors retain all intellectual property and</span>
<a name="l00006"></a>00006 <span class="comment">// proprietary rights in and to this software and related documentation and</span>
<a name="l00007"></a>00007 <span class="comment">// any modifications thereto. Any use, reproduction, disclosure, or</span>
<a name="l00008"></a>00008 <span class="comment">// distribution of this software and related documentation without an express</span>
<a name="l00009"></a>00009 <span class="comment">// license agreement from NVIDIA Corporation is strictly prohibited.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES</span>
<a name="l00012"></a>00012 <span class="comment">// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO</span>
<a name="l00013"></a>00013 <span class="comment">// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,</span>
<a name="l00014"></a>00014 <span class="comment">// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// Information and code furnished is believed to be accurate and reliable.</span>
<a name="l00017"></a>00017 <span class="comment">// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such</span>
<a name="l00018"></a>00018 <span class="comment">// information or for any infringement of patents or other rights of third parties that may</span>
<a name="l00019"></a>00019 <span class="comment">// result from its use. No license is granted by implication or otherwise under any patent</span>
<a name="l00020"></a>00020 <span class="comment">// or patent rights of NVIDIA Corporation. Details are subject to change without notice.</span>
<a name="l00021"></a>00021 <span class="comment">// This code supersedes and replaces all information previously supplied.</span>
<a name="l00022"></a>00022 <span class="comment">// NVIDIA Corporation products are not authorized for use as critical</span>
<a name="l00023"></a>00023 <span class="comment">// components in life support devices or systems without express written approval of</span>
<a name="l00024"></a>00024 <span class="comment">// NVIDIA Corporation.</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// Copyright (c) 2016-2020 NVIDIA Corporation. All rights reserved.</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#ifndef NVBLASTFIXEDBITMAP_H</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define NVBLASTFIXEDBITMAP_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="_nv_blast_assert_8h.html">NvBlastAssert.h</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="_nv_blast_memory_8h.html">NvBlastMemory.h</a>"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <cstring></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">namespace </span>Nv
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keyword">namespace </span>Blast
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040
<a name="l00063"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html">00063</a> <span class="keyword">class </span><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html">FixedBitmap</a>
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 <span class="keyword">public</span>:
<a name="l00066"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#af7ed00d6ece4806ee5d3c6c3b3dee5f">00066</a> <span class="keyword">explicit</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#af7ed00d6ece4806ee5d3c6c3b3dee5f">FixedBitmap</a>(uint32_t bitsCount)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 m_bitsCount = bitsCount;
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#c537f9169713e8915d95b300ed690836">00071</a> <span class="keyword">static</span> uint32_t <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#c537f9169713e8915d95b300ed690836">getWordsCount</a>(uint32_t bitsCount)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">return</span> (bitsCount + 31) >> 5;
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#2955e031c60852ec6dd72ca6f8e73eb7">00076</a> <span class="keyword">static</span> <span class="keywordtype">size_t</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#2955e031c60852ec6dd72ca6f8e73eb7">requiredMemorySize</a>(uint32_t bitsCount)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">return</span> <a class="code" href="namespace_nv_1_1_blast.html#c0c6da9c519d92d57c310200989092dc">align16</a>(<span class="keyword">sizeof</span>(<a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html">FixedBitmap</a>)) + <a class="code" href="namespace_nv_1_1_blast.html#c0c6da9c519d92d57c310200989092dc">align16</a>(<a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#c537f9169713e8915d95b300ed690836">getWordsCount</a>(bitsCount) * <span class="keyword">sizeof</span>(uint32_t));
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#2a7209fa614fc173bbd7a8a10c856dff">00081</a> <span class="keywordtype">void</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#2a7209fa614fc173bbd7a8a10c856dff">clear</a>()
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 memset(data(), 0, <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#c537f9169713e8915d95b300ed690836">getWordsCount</a>(m_bitsCount) * <span class="keyword">sizeof</span>(uint32_t));
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#010fe2685615fdb1da4153c7212e2c37">00086</a> <span class="keywordtype">void</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#010fe2685615fdb1da4153c7212e2c37">fill</a>()
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keyword">const</span> uint32_t wordCount = <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#c537f9169713e8915d95b300ed690836">getWordsCount</a>(m_bitsCount);
<a name="l00089"></a>00089 uint32_t* mem = data();
<a name="l00090"></a>00090 memset(mem, 0xFF, wordCount * <span class="keyword">sizeof</span>(uint32_t));
<a name="l00091"></a>00091 <span class="keyword">const</span> uint32_t bitsRemainder = m_bitsCount & 31;
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (bitsRemainder > 0)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 mem[wordCount - 1] &= ~(0xFFFFFFFF << bitsRemainder);
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#6fb1a58795ac04248c7a082efa89c1e0">00098</a> <span class="keywordtype">int</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#6fb1a58795ac04248c7a082efa89c1e0">test</a>(uint32_t index)<span class="keyword"> const</span>
<a name="l00099"></a>00099 <span class="keyword"> </span>{
<a name="l00100"></a>00100 <a class="code" href="_nv_blast_assert_8h.html#2b179fca67cdb57b12b65e33fe3f6c93">NVBLAST_ASSERT</a>(index < m_bitsCount);
<a name="l00101"></a>00101 <span class="keywordflow">return</span> data()[index >> 5] & (1 << (index & 31));
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#a39e16f552918092f1e9fa289ddfb26c">00104</a> <span class="keywordtype">void</span> <span class="keyword">set</span>(uint32_t index)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <a class="code" href="_nv_blast_assert_8h.html#2b179fca67cdb57b12b65e33fe3f6c93">NVBLAST_ASSERT</a>(index < m_bitsCount);
<a name="l00107"></a>00107 data()[index >> 5] |= 1 << (index & 31);
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a><a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#ae323d2bddded4859cc3a0348bb72317">00110</a> <span class="keywordtype">void</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#ae323d2bddded4859cc3a0348bb72317">reset</a>(uint32_t index)
<a name="l00111"></a>00111 {
<a name="l00112"></a>00112 <a class="code" href="_nv_blast_assert_8h.html#2b179fca67cdb57b12b65e33fe3f6c93">NVBLAST_ASSERT</a>(index < m_bitsCount);
<a name="l00113"></a>00113 data()[index >> 5] &= ~(1 << (index & 31));
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keyword">private</span>:
<a name="l00117"></a>00117 uint32_t m_bitsCount;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <a class="code" href="group__foundation.html#ge9e06fb68b9ca307fa4377186da9052e">NV_FORCE_INLINE</a> uint32_t* data()
<a name="l00120"></a>00120 {
<a name="l00121"></a>00121 <span class="keywordflow">return</span> (uint32_t*)((<span class="keywordtype">char</span>*)<span class="keyword">this</span> + <span class="keyword">sizeof</span>(<a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html">FixedBitmap</a>));
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <a class="code" href="group__foundation.html#ge9e06fb68b9ca307fa4377186da9052e">NV_FORCE_INLINE</a> <span class="keyword">const</span> uint32_t* data()<span class="keyword"> const</span>
<a name="l00125"></a>00125 <span class="keyword"> </span>{
<a name="l00126"></a>00126 <span class="keywordflow">return</span> (uint32_t*)((<span class="keywordtype">char</span>*)<span class="keyword">this</span> + <span class="keyword">sizeof</span>(<a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#af7ed00d6ece4806ee5d3c6c3b3dee5f">FixedBitmap</a>));
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keyword">private</span>:
<a name="l00130"></a>00130 <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#af7ed00d6ece4806ee5d3c6c3b3dee5f">FixedBitmap</a>(<span class="keyword">const</span> <a class="code" href="class_nv_1_1_blast_1_1_fixed_bitmap.html#af7ed00d6ece4806ee5d3c6c3b3dee5f">FixedBitmap</a>& that);
<a name="l00131"></a>00131 };
<a name="l00132"></a>00132
<a name="l00133"></a>00133 } <span class="comment">// namespace Blast</span>
<a name="l00134"></a>00134 } <span class="comment">// namespace Nv</span>
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="preprocessor">#endif // ifndef NVBLASTFIXEDBITMAP_H</span>
</pre></div></div>
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