| 1 |
466450b5
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 2 |
|
|
// Copyright 2018 Leszek Koltunski //
|
| 3 |
|
|
// //
|
| 4 |
46b572b5
|
Leszek Koltunski
|
// This file is part of Distorted. //
|
| 5 |
466450b5
|
Leszek Koltunski
|
// //
|
| 6 |
46b572b5
|
Leszek Koltunski
|
// Distorted is free software: you can redistribute it and/or modify //
|
| 7 |
466450b5
|
Leszek Koltunski
|
// it under the terms of the GNU General Public License as published by //
|
| 8 |
|
|
// the Free Software Foundation, either version 2 of the License, or //
|
| 9 |
|
|
// (at your option) any later version. //
|
| 10 |
|
|
// //
|
| 11 |
46b572b5
|
Leszek Koltunski
|
// Distorted is distributed in the hope that it will be useful, //
|
| 12 |
466450b5
|
Leszek Koltunski
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
|
| 13 |
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
| 14 |
|
|
// GNU General Public License for more details. //
|
| 15 |
|
|
// //
|
| 16 |
|
|
// You should have received a copy of the GNU General Public License //
|
| 17 |
46b572b5
|
Leszek Koltunski
|
// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
|
| 18 |
466450b5
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 19 |
|
|
|
| 20 |
|
|
package org.distorted.library.main;
|
| 21 |
|
|
|
| 22 |
b7074bc6
|
Leszek Koltunski
|
import android.opengl.GLES30;
|
| 23 |
0bd9f644
|
Leszek Koltunski
|
|
| 24 |
|
|
import java.nio.Buffer;
|
| 25 |
22e60fba
|
Leszek Koltunski
|
import java.nio.ByteBuffer;
|
| 26 |
|
|
import java.nio.ByteOrder;
|
| 27 |
|
|
import java.nio.FloatBuffer;
|
| 28 |
0bd9f644
|
Leszek Koltunski
|
import java.nio.IntBuffer;
|
| 29 |
466450b5
|
Leszek Koltunski
|
|
| 30 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 31 |
|
|
/**
|
| 32 |
|
|
* Implements OpenGL buffer object such as GL_ARRAY_BUFFER or GL_TRANSFORM_FEEDBACK_BUFFER.
|
| 33 |
|
|
* Main point: deal with Android lifecycle and recreate the buffer on loss of OpenGL context.
|
| 34 |
|
|
* <p>
|
| 35 |
|
|
* Not part of public API, do not document (public only because has to be used in Meshes)
|
| 36 |
|
|
*
|
| 37 |
|
|
* @y.exclude
|
| 38 |
|
|
*/
|
| 39 |
7602a827
|
Leszek Koltunski
|
public class InternalBuffer extends InternalObject
|
| 40 |
466450b5
|
Leszek Koltunski
|
{
|
| 41 |
7e53a35f
|
Leszek Koltunski
|
private final int[] mIndex;
|
| 42 |
466450b5
|
Leszek Koltunski
|
private int mTarget, mSize, mUsage;
|
| 43 |
0bd9f644
|
Leszek Koltunski
|
private Buffer mBuffer;
|
| 44 |
466450b5
|
Leszek Koltunski
|
|
| 45 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 46 |
|
|
|
| 47 |
7602a827
|
Leszek Koltunski
|
public InternalBuffer(int target, int usage)
|
| 48 |
466450b5
|
Leszek Koltunski
|
{
|
| 49 |
7602a827
|
Leszek Koltunski
|
super(InternalObject.TYPE_USER);
|
| 50 |
466450b5
|
Leszek Koltunski
|
|
| 51 |
|
|
mIndex = new int[1];
|
| 52 |
|
|
mTarget = target;
|
| 53 |
|
|
mUsage = usage;
|
| 54 |
ccd98f1c
|
Leszek Koltunski
|
mBuffer = null;
|
| 55 |
|
|
mSize = 0;
|
| 56 |
466450b5
|
Leszek Koltunski
|
|
| 57 |
|
|
recreate();
|
| 58 |
|
|
}
|
| 59 |
|
|
|
| 60 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 61 |
22e60fba
|
Leszek Koltunski
|
// must be called from a thread holding OpenGL Context.
|
| 62 |
466450b5
|
Leszek Koltunski
|
|
| 63 |
0bd9f644
|
Leszek Koltunski
|
public int createImmediatelyFloat(int size, float[] buffer)
|
| 64 |
466450b5
|
Leszek Koltunski
|
{
|
| 65 |
22e60fba
|
Leszek Koltunski
|
if( mIndex[0]<0 )
|
| 66 |
|
|
{
|
| 67 |
|
|
mSize= size;
|
| 68 |
ccd98f1c
|
Leszek Koltunski
|
|
| 69 |
22e60fba
|
Leszek Koltunski
|
if( buffer!=null )
|
| 70 |
|
|
{
|
| 71 |
|
|
FloatBuffer buf = ByteBuffer.allocateDirect(size).order(ByteOrder.nativeOrder()).asFloatBuffer();
|
| 72 |
|
|
buf.put(buffer).position(0);
|
| 73 |
|
|
mBuffer = buf;
|
| 74 |
|
|
}
|
| 75 |
|
|
else
|
| 76 |
|
|
{
|
| 77 |
|
|
mBuffer = null;
|
| 78 |
|
|
}
|
| 79 |
|
|
|
| 80 |
b7074bc6
|
Leszek Koltunski
|
GLES30.glGenBuffers( 1, mIndex, 0);
|
| 81 |
|
|
GLES30.glBindBuffer( mTarget, mIndex[0]);
|
| 82 |
|
|
GLES30.glBufferData( mTarget, mSize, mBuffer, mUsage);
|
| 83 |
|
|
GLES30.glBindBuffer( mTarget, 0);
|
| 84 |
22e60fba
|
Leszek Koltunski
|
|
| 85 |
|
|
markWasCreatedImmediately();
|
| 86 |
|
|
}
|
| 87 |
7e53a35f
|
Leszek Koltunski
|
|
| 88 |
|
|
return mIndex[0];
|
| 89 |
22e60fba
|
Leszek Koltunski
|
}
|
| 90 |
|
|
|
| 91 |
0bd9f644
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 92 |
|
|
// must be called from a thread holding OpenGL Context.
|
| 93 |
|
|
|
| 94 |
|
|
public int createImmediatelyInt(int size, int[] buffer)
|
| 95 |
|
|
{
|
| 96 |
|
|
if( mIndex[0]<0 )
|
| 97 |
|
|
{
|
| 98 |
|
|
mSize= size;
|
| 99 |
|
|
|
| 100 |
|
|
if( buffer!=null )
|
| 101 |
|
|
{
|
| 102 |
|
|
IntBuffer buf = ByteBuffer.allocateDirect(size).order(ByteOrder.nativeOrder()).asIntBuffer();
|
| 103 |
|
|
buf.put(buffer).position(0);
|
| 104 |
|
|
mBuffer = buf;
|
| 105 |
|
|
}
|
| 106 |
|
|
else
|
| 107 |
|
|
{
|
| 108 |
|
|
mBuffer = null;
|
| 109 |
|
|
}
|
| 110 |
|
|
|
| 111 |
|
|
GLES30.glGenBuffers( 1, mIndex, 0);
|
| 112 |
|
|
GLES30.glBindBuffer( mTarget, mIndex[0]);
|
| 113 |
|
|
GLES30.glBufferData( mTarget, mSize, mBuffer, mUsage);
|
| 114 |
|
|
GLES30.glBindBuffer( mTarget, 0);
|
| 115 |
|
|
|
| 116 |
|
|
markWasCreatedImmediately();
|
| 117 |
|
|
}
|
| 118 |
|
|
|
| 119 |
|
|
return mIndex[0];
|
| 120 |
|
|
}
|
| 121 |
|
|
|
| 122 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 123 |
|
|
// buffer non-null!!
|
| 124 |
|
|
|
| 125 |
|
|
public void updateFloat(float[] buffer)
|
| 126 |
|
|
{
|
| 127 |
|
|
((FloatBuffer)mBuffer).put(buffer).position(0);
|
| 128 |
|
|
|
| 129 |
|
|
GLES30.glBindBuffer( mTarget, mIndex[0]);
|
| 130 |
|
|
GLES30.glBufferData( mTarget, mSize, mBuffer, mUsage);
|
| 131 |
|
|
GLES30.glBindBuffer( mTarget, 0);
|
| 132 |
|
|
}
|
| 133 |
|
|
|
| 134 |
342a6773
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 135 |
|
|
// buffer non-null!!
|
| 136 |
|
|
|
| 137 |
0bd9f644
|
Leszek Koltunski
|
public void updateInt(int[] buffer)
|
| 138 |
342a6773
|
Leszek Koltunski
|
{
|
| 139 |
0bd9f644
|
Leszek Koltunski
|
((IntBuffer)mBuffer).put(buffer).position(0);
|
| 140 |
342a6773
|
Leszek Koltunski
|
|
| 141 |
|
|
GLES30.glBindBuffer( mTarget, mIndex[0]);
|
| 142 |
|
|
GLES30.glBufferData( mTarget, mSize, mBuffer, mUsage);
|
| 143 |
|
|
GLES30.glBindBuffer( mTarget, 0);
|
| 144 |
|
|
}
|
| 145 |
|
|
|
| 146 |
22e60fba
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 147 |
|
|
|
| 148 |
|
|
public void invalidate()
|
| 149 |
|
|
{
|
| 150 |
|
|
recreate();
|
| 151 |
466450b5
|
Leszek Koltunski
|
}
|
| 152 |
|
|
|
| 153 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 154 |
|
|
// must be called from a thread holding OpenGL Context
|
| 155 |
|
|
|
| 156 |
|
|
void create()
|
| 157 |
|
|
{
|
| 158 |
|
|
if( mIndex[0]<0 )
|
| 159 |
|
|
{
|
| 160 |
b7074bc6
|
Leszek Koltunski
|
GLES30.glGenBuffers( 1, mIndex, 0);
|
| 161 |
|
|
GLES30.glBindBuffer( mTarget, mIndex[0]);
|
| 162 |
|
|
GLES30.glBufferData( mTarget, mSize, mBuffer, mUsage);
|
| 163 |
|
|
GLES30.glBindBuffer( mTarget, 0);
|
| 164 |
466450b5
|
Leszek Koltunski
|
}
|
| 165 |
|
|
}
|
| 166 |
|
|
|
| 167 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 168 |
|
|
// must be called from a thread holding OpenGL Context
|
| 169 |
|
|
|
| 170 |
|
|
void delete()
|
| 171 |
|
|
{
|
| 172 |
|
|
if( mIndex[0]>=0 )
|
| 173 |
|
|
{
|
| 174 |
b7074bc6
|
Leszek Koltunski
|
GLES30.glDeleteBuffers(1, mIndex, 0);
|
| 175 |
466450b5
|
Leszek Koltunski
|
mIndex[0] = -1;
|
| 176 |
|
|
}
|
| 177 |
|
|
}
|
| 178 |
|
|
|
| 179 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 180 |
|
|
|
| 181 |
|
|
void recreate()
|
| 182 |
|
|
{
|
| 183 |
|
|
mIndex[0] = -1;
|
| 184 |
|
|
}
|
| 185 |
|
|
|
| 186 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 187 |
|
|
// debugging only
|
| 188 |
|
|
|
| 189 |
|
|
String printDetails()
|
| 190 |
|
|
{
|
| 191 |
|
|
return getClass().getSimpleName();
|
| 192 |
|
|
}
|
| 193 |
|
|
}
|