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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.main;
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import android.opengl.GLES31;
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import org.distorted.library.mesh.MeshBase;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* This is not really part of the public API.
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*
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* @y.exclude
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*/
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public abstract class InternalSurface extends InternalObject
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{
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int mColorCreated;
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int mNumColors;
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int mNumFBOs;
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int[] mColorH;
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int mWidth, mHeight;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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InternalSurface(int width, int height, int create, int numfbos, int numcolors, int type)
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{
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super(type);
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mNumFBOs = numfbos;
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mNumColors = numcolors;
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mWidth = width ;
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mHeight = height;
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mColorCreated = create;
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int total = mNumFBOs*mNumColors;
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if( total>0 )
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{
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mColorH = new int[total];
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for( int i=0; i<total; i++ ) mColorH[i] = 0;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// debugging only
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String printDetails()
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{
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return getClass().getSimpleName()+" "+mWidth+"x"+mHeight;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// PUBLIC API
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the width of this Surface.
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*
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* @return width of the Object, in pixels.
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*/
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public int getWidth()
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{
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return mWidth;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the height of this Surface.
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*
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* @return height of the Object, in pixels.
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*/
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public int getHeight()
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{
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return mHeight;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Return the depth of this Surface.
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* <p>
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* Admittedly quite a strange method. Why do we need to pass a Mesh to it? Because one cannot determine
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* 'depth' of a Surface (bitmap really!) when rendered based only on the texture itself, that depends
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* on the Mesh it is rendered with.
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*
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* @return depth of the Object, in pixels.
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*/
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/*
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public int getDepth(MeshBase mesh)
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{
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return mesh==null ? 0 : (int)(mWidth*mesh.getZFactor() );
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}
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*/
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Bind the underlying rectangle of pixels as a OpenGL Texture.
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*
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* @return <code>true</code> if successful.
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*/
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public boolean setAsInput()
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{
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if( mColorH[0]>0 )
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{
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GLES31.glActiveTexture(GLES31.GL_TEXTURE0);
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GLES31.glBindTexture(GLES31.GL_TEXTURE_2D, mColorH[0]);
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return true;
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}
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return false;
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}
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}
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