Rev 790 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 786 | chris | 1 | using System; |
| 2 | using System.Collections.Generic; |
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| 3 | using System.Linq; |
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| 4 | using System.Text; |
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| 5 | using System.Threading.Tasks; |
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| 6 | |||
| 7 | using Tao.OpenGl; |
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| 8 | |||
| 790 | chris | 9 | using BauzoidNET.graphics; |
| 10 | |||
| 1451 | chris | 11 | #pragma warning disable 0618 |
| 12 | |||
| 786 | chris | 13 | namespace BauzoidNET.graphics.model |
| 14 | { |
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| 790 | chris | 15 | public class IndexStream : GraphicsObject |
| 786 | chris | 16 | { |
| 17 | private static List<IndexStream> mManagedStreams = new List<IndexStream>(); |
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| 18 | |||
| 19 | private int mIndexCount = 0; |
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| 20 | //private ShortBuffer mData; |
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| 21 | private short[] mData = null; |
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| 22 | |||
| 23 | private int mBufferID = 0; |
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| 24 | //private static int[] BUFFERID = new int[1]; |
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| 787 | chris | 25 | private int[] BUFFERID = new int[1]; |
| 786 | chris | 26 | |
| 27 | /** Constructor. */ |
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| 790 | chris | 28 | public IndexStream(Graphics graphics) |
| 29 | : base(graphics) |
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| 786 | chris | 30 | { |
| 31 | mManagedStreams.Add(this); |
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| 32 | } |
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| 33 | |||
| 34 | /** Destroy internal data. */ |
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| 35 | public void dispose() |
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| 36 | { |
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| 37 | mManagedStreams.Remove(this); |
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| 38 | |||
| 39 | unload(); |
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| 40 | mIndexCount = 0; |
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| 41 | mData = null; |
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| 42 | } |
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| 43 | |||
| 44 | /** Set the data. */ |
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| 45 | /*public void setData(byte[] data) |
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| 46 | { |
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| 47 | if (data == null) |
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| 48 | { |
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| 49 | dispose(); |
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| 50 | return; |
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| 51 | } |
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| 52 | |||
| 53 | ByteBuffer byteBuffer = ByteBuffer.allocateDirect(data.length); |
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| 54 | byteBuffer.order(ByteOrder.nativeOrder()); |
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| 55 | byteBuffer.put(data); |
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| 56 | byteBuffer.position(0); |
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| 57 | mData = byteBuffer.asShortBuffer(); |
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| 58 | |||
| 59 | mIndexCount = data.length; |
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| 60 | }*/ |
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| 61 | |||
| 62 | /** Set the data. */ |
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| 63 | public void setData(short[] data) |
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| 64 | { |
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| 65 | if (data == null) |
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| 66 | { |
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| 67 | dispose(); |
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| 68 | return; |
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| 69 | } |
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| 70 | |||
| 71 | /* mData = BufferUtils.newShortBuffer(data.length); |
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| 72 | mData.put(data); |
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| 73 | mData.position(0); |
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| 74 | |||
| 75 | mIndexCount = data.length;*/ |
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| 76 | |||
| 77 | mIndexCount = data.Length; |
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| 78 | mData = (short[])data.Clone(); |
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| 79 | } |
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| 80 | |||
| 81 | /** Reload all managed index streams. */ |
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| 82 | public static void reloadManagedStreams() |
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| 83 | { |
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| 84 | for (int i = 0; i < mManagedStreams.Count; i++) |
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| 85 | { |
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| 86 | IndexStream stream = mManagedStreams[i]; |
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| 87 | stream.upload(); |
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| 88 | //Gdx.app.log(Consts.LOG_TAG, "IndexStream reloaded!"); |
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| 89 | } |
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| 90 | } |
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| 91 | |||
| 92 | /** Create handle and upload indices to hardware. */ |
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| 93 | public void upload() |
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| 94 | { |
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| 95 | if (mData == null) |
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| 96 | return; |
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| 97 | |||
| 98 | Gl.glGenBuffers(1, BUFFERID); |
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| 99 | mBufferID = BUFFERID[0]; |
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| 100 | |||
| 101 | Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, mBufferID); |
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| 102 | Gl.glBufferData(Gl.GL_ELEMENT_ARRAY_BUFFER, (IntPtr)(mData.Length * sizeof(short)), mData, Gl.GL_STATIC_DRAW); |
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| 103 | Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, 0); |
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| 104 | } |
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| 105 | |||
| 106 | /** Reload indices to hardware. */ |
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| 107 | public void reupload() |
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| 108 | { |
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| 109 | if (mBufferID == 0) |
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| 110 | { |
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| 111 | // perform initial upload |
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| 112 | upload(); |
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| 113 | return; |
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| 114 | } |
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| 115 | |||
| 116 | if (mData == null) |
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| 117 | return; |
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| 118 | |||
| 119 | Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, mBufferID); |
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| 120 | Gl.glBufferSubData(Gl.GL_ELEMENT_ARRAY_BUFFER, (IntPtr)0, (IntPtr)(mData.Length * sizeof(short)), mData); |
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| 121 | Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, 0); |
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| 122 | } |
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| 123 | |||
| 124 | /** Unload indices from hardware. */ |
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| 125 | public void unload() |
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| 126 | { |
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| 127 | BUFFERID[0] = mBufferID; |
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| 128 | Gl.glDeleteBuffers(1, BUFFERID); |
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| 129 | mBufferID = 0; |
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| 130 | } |
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| 131 | |||
| 132 | /** Activate index stream. */ |
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| 133 | public void activate() |
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| 134 | { |
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| 135 | // TODO: state tracking |
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| 136 | Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, mBufferID); |
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| 137 | } |
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| 138 | |||
| 139 | /** Deactivate index stream. */ |
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| 140 | public void deactivate() |
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| 141 | { |
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| 142 | // TODO: state tracking |
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| 787 | chris | 143 | Gl.glBindBuffer(Gl.GL_ELEMENT_ARRAY_BUFFER, 0); |
| 786 | chris | 144 | } |
| 145 | |||
| 146 | /** Get number of indices. */ |
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| 147 | public int getIndexCount() |
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| 148 | { |
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| 149 | return mIndexCount; |
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| 150 | } |
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| 151 | |||
| 152 | } |
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| 153 | } |