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432442f9
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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7602a827
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Leszek Koltunski
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// This file is part of DistortedLibrary. //
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432442f9
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Leszek Koltunski
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// //
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7602a827
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Leszek Koltunski
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// DistortedLibrary is free software: you can redistribute it and/or modify //
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432442f9
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Leszek Koltunski
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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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Leszek Koltunski
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// DistortedLibrary is distributed in the hope that it will be useful, //
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432442f9
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Leszek Koltunski
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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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7602a827
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Leszek Koltunski
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// along with DistortedLibrary. If not, see <http://www.gnu.org/licenses/>. //
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432442f9
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.program;
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e6519ac8
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Leszek Koltunski
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import android.opengl.GLES31;
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432442f9
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Leszek Koltunski
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* An object which encapsulates a vertex/fragment shader combo, aka Shader Program.
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*/
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public class DistortedProgram
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{
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Leszek Koltunski
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private String mAttributeStr, mUniformStr, mUniList;
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private int mAttributeLen, mUniformLen;
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Leszek Koltunski
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private int mProgramHandle;
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private int mNumAttributes;
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private int mNumUniforms;
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Leszek Koltunski
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private String[] mAttributeName;
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Leszek Koltunski
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private String[] mUniformName;
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faa3ff56
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/**
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* List of Attributes (OpenGL ES 3.0: 'in' variables), in the same order as declared in the shader source.
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*/
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public final int[] mAttribute;
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/**
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* List of Uniforms, in the same order as declared in the shader source.
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*/
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public final int[] mUniform;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private int createAndLinkProgram(final int vertexShaderHandle, final int fragmentShaderHandle, final String[] attributes, final String[] feedbackVaryings)
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throws LinkingException
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{
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int programHandle = GLES31.glCreateProgram();
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Leszek Koltunski
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if (programHandle != 0)
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{
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GLES31.glAttachShader(programHandle, vertexShaderHandle);
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GLES31.glAttachShader(programHandle, fragmentShaderHandle);
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if( feedbackVaryings!=null )
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{
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GLES31.glTransformFeedbackVaryings(programHandle, feedbackVaryings, GLES31.GL_INTERLEAVED_ATTRIBS);
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}
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if (attributes != null)
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{
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final int size = attributes.length;
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for (int i = 0; i < size; i++)
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{
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GLES31.glBindAttribLocation(programHandle, i, attributes[i]);
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}
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}
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GLES31.glLinkProgram(programHandle);
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final int[] linkStatus = new int[1];
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GLES31.glGetProgramiv(programHandle, GLES31.GL_LINK_STATUS, linkStatus, 0);
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if (linkStatus[0] != GLES31.GL_TRUE )
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{
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String error = GLES31.glGetProgramInfoLog(programHandle);
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GLES31.glDeleteProgram(programHandle);
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432442f9
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throw new LinkingException(error);
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}
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final int[] numberOfUniforms = new int[1];
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GLES31.glGetProgramiv(programHandle, GLES31.GL_ACTIVE_UNIFORMS, numberOfUniforms, 0);
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//android.util.Log.d("program", "number of active uniforms="+numberOfUniforms[0]);
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}
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return programHandle;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void init(int glslVersion)
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{
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mAttributeStr = (glslVersion == 100 ? "attribute " : "in ");
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mAttributeLen = mAttributeStr.length();
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mNumAttributes = 0;
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mUniformStr = "uniform ";
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mUniformLen = mUniformStr.length();
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mNumUniforms = 0;
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mUniList = "";
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private String parseOutUniform(final String line)
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{
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int len = line.length();
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int whiteSpace, semicolon, nameBegin;
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char currChar;
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for(whiteSpace=0; whiteSpace<len; whiteSpace++)
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{
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currChar = line.charAt(whiteSpace);
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if( currChar!=' ' && currChar!='\t') break;
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}
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for(semicolon=whiteSpace; semicolon<len; semicolon++)
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{
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currChar = line.charAt(semicolon);
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if( currChar==';') break;
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}
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if( semicolon<len && semicolon-whiteSpace>=mUniformLen+1 )
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{
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String subline = line.substring(whiteSpace,semicolon);
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int subLen = semicolon-whiteSpace;
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if( subline.startsWith(mUniformStr))
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{
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//android.util.Log.e("program", "GOOD LINE: " +subline+" subLen="+subLen);
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for(nameBegin=subLen-1; nameBegin>mUniformLen-2; nameBegin--)
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{
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currChar=subline.charAt(nameBegin);
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if( currChar==' ' || currChar=='\t' )
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{
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mNumUniforms++;
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String uniform = subline.substring(nameBegin+1,subLen);
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int brace = uniform.indexOf("[");
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return brace>=0 ? uniform.substring(0,brace) : uniform;
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}
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}
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}
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}
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return null;
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}
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432442f9
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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3d804c91
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Leszek Koltunski
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private String parseOutAttribute(final String line)
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432442f9
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Leszek Koltunski
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{
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int len = line.length();
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int whiteSpace, semicolon, nameBegin;
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char currChar;
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for(whiteSpace=0; whiteSpace<len; whiteSpace++)
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{
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currChar = line.charAt(whiteSpace);
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if( currChar!=' ' && currChar!='\t') break;
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}
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for(semicolon=whiteSpace; semicolon<len; semicolon++)
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{
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currChar = line.charAt(semicolon);
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if( currChar==';') break;
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}
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94f6d472
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Leszek Koltunski
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if( semicolon<len && semicolon-whiteSpace>=mAttributeLen+1 )
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432442f9
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Leszek Koltunski
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{
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String subline = line.substring(whiteSpace,semicolon);
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int subLen = semicolon-whiteSpace;
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94f6d472
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Leszek Koltunski
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if( subline.startsWith(mAttributeStr))
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432442f9
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Leszek Koltunski
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{
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//android.util.Log.e("program", "GOOD LINE: " +subline+" subLen="+subLen);
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94f6d472
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Leszek Koltunski
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for(nameBegin=subLen-1; nameBegin>mAttributeLen-2; nameBegin--)
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432442f9
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Leszek Koltunski
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{
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currChar=subline.charAt(nameBegin);
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if( currChar==' ' || currChar=='\t' )
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{
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mNumAttributes++;
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3d804c91
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Leszek Koltunski
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return subline.substring(nameBegin+1,subLen);
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432442f9
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Leszek Koltunski
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}
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}
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}
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}
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3d804c91
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Leszek Koltunski
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return null;
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432442f9
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Leszek Koltunski
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}
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041b6dee
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void doAttributes(final String shader, boolean doAttributes)
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{
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| 210 |
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String attribute, attrList="", uniform;
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| 211 |
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String[] lines = shader.split("\n");
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int length = lines.length;
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for(int i=0; i<length; i++)
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{
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if( doAttributes )
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{
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attribute = parseOutAttribute(lines[i]);
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if( attribute!=null )
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{
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| 222 |
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//android.util.Log.d("program", "new attribute: "+attribute);
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if( attrList.length()>0 ) attrList+=" ";
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attrList += attribute;
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}
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}
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uniform = parseOutUniform(lines[i]);
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if( uniform!=null )
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{
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aa2f0486
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Leszek Koltunski
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//android.util.Log.d("program", "new uniform: "+uniform);
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041b6dee
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Leszek Koltunski
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if( mUniList.length()>0 ) mUniList+=" ";
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mUniList += uniform;
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}
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}
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if( doAttributes ) mAttributeName = attrList.split(" ");
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}
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432442f9
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Leszek Koltunski
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private String readTextFileFromRawResource(final InputStream inputStream, boolean doAttributes)
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| 244 |
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{
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| 245 |
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final InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
|
| 246 |
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final BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
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| 247 |
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| 248 |
3d804c91
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Leszek Koltunski
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String nextLine, attribute, attrList="";
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| 249 |
432442f9
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Leszek Koltunski
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final StringBuilder body = new StringBuilder();
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| 250 |
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| 251 |
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try
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| 252 |
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{
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| 253 |
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while ((nextLine = bufferedReader.readLine()) != null)
|
| 254 |
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{
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| 255 |
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body.append(nextLine);
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| 256 |
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body.append('\n');
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| 257 |
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| 258 |
3d804c91
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Leszek Koltunski
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if( doAttributes )
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| 259 |
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{
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| 260 |
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attribute = parseOutAttribute(nextLine);
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| 262 |
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if( attribute!=null )
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| 263 |
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{
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| 264 |
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//android.util.Log.d("program", "new attribute: "+attribute);
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| 265 |
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if( attrList.length()>0 ) attrList+=" ";
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| 266 |
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attrList += attribute;
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| 267 |
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}
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| 268 |
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}
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| 269 |
432442f9
|
Leszek Koltunski
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}
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| 270 |
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}
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| 271 |
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catch (IOException e)
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| 272 |
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{
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| 273 |
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return null;
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| 274 |
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}
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| 275 |
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| 276 |
041b6dee
|
Leszek Koltunski
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if( doAttributes ) mAttributeName = attrList.split(" ");
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| 277 |
432442f9
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Leszek Koltunski
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| 278 |
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return body.toString();
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| 279 |
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}
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| 280 |
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| 281 |
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///////////////////////////////////////////////////////////////////////////////////////////////////
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| 282 |
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| 283 |
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private static int compileShader(final int shaderType, final String shaderSource)
|
| 284 |
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throws FragmentCompilationException,VertexCompilationException
|
| 285 |
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{
|
| 286 |
e6519ac8
|
Leszek Koltunski
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int shaderHandle = GLES31.glCreateShader(shaderType);
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| 287 |
432442f9
|
Leszek Koltunski
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| 288 |
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if (shaderHandle != 0)
|
| 289 |
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{
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| 290 |
e6519ac8
|
Leszek Koltunski
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GLES31.glShaderSource(shaderHandle, shaderSource);
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| 291 |
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GLES31.glCompileShader(shaderHandle);
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| 292 |
432442f9
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Leszek Koltunski
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final int[] compileStatus = new int[1];
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| 293 |
e6519ac8
|
Leszek Koltunski
|
GLES31.glGetShaderiv(shaderHandle, GLES31.GL_COMPILE_STATUS, compileStatus, 0);
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| 294 |
432442f9
|
Leszek Koltunski
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| 295 |
341151fc
|
Leszek Koltunski
|
if (compileStatus[0] != GLES31.GL_TRUE)
|
| 296 |
432442f9
|
Leszek Koltunski
|
{
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| 297 |
341151fc
|
Leszek Koltunski
|
String error = GLES31.glGetShaderInfoLog(shaderHandle);
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| 298 |
432442f9
|
Leszek Koltunski
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| 299 |
341151fc
|
Leszek Koltunski
|
//android.util.Log.e("Program", "error compiling :" + error);
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| 300 |
432442f9
|
Leszek Koltunski
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| 301 |
341151fc
|
Leszek Koltunski
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GLES31.glDeleteShader(shaderHandle);
|
| 302 |
81a0b906
|
leszek
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| 303 |
341151fc
|
Leszek Koltunski
|
switch (shaderType)
|
| 304 |
|
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{
|
| 305 |
|
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case GLES31.GL_VERTEX_SHADER: throw new VertexCompilationException(error);
|
| 306 |
|
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case GLES31.GL_FRAGMENT_SHADER: throw new FragmentCompilationException(error);
|
| 307 |
|
|
default: throw new RuntimeException(error);
|
| 308 |
|
|
}
|
| 309 |
432442f9
|
Leszek Koltunski
|
}
|
| 310 |
|
|
}
|
| 311 |
|
|
|
| 312 |
|
|
return shaderHandle;
|
| 313 |
|
|
}
|
| 314 |
|
|
|
| 315 |
7cd24173
|
leszek
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 316 |
|
|
|
| 317 |
|
|
private static String insertEnabledEffects(String code, final String effects)
|
| 318 |
|
|
{
|
| 319 |
|
|
final String marker = "// ENABLED EFFECTS WILL BE INSERTED HERE";
|
| 320 |
|
|
int length = marker.length();
|
| 321 |
|
|
|
| 322 |
|
|
int place = code.indexOf(marker);
|
| 323 |
|
|
|
| 324 |
|
|
if( place>=0 )
|
| 325 |
|
|
{
|
| 326 |
|
|
String begin = code.substring(0,place-1);
|
| 327 |
|
|
String end = code.substring(place+length);
|
| 328 |
|
|
/*
|
| 329 |
|
|
int len = begin.length();
|
| 330 |
|
|
|
| 331 |
|
|
android.util.Log.d("Program", begin.substring(len-40));
|
| 332 |
|
|
android.util.Log.d("Program", effects);
|
| 333 |
|
|
android.util.Log.d("Program", end.substring(0,40));
|
| 334 |
|
|
*/
|
| 335 |
|
|
return begin + effects + end;
|
| 336 |
|
|
}
|
| 337 |
|
|
else
|
| 338 |
|
|
{
|
| 339 |
|
|
android.util.Log.e("Program", "Error: marker string not found in SHADER!");
|
| 340 |
|
|
}
|
| 341 |
|
|
|
| 342 |
|
|
return null;
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
432442f9
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 346 |
faa3ff56
|
Leszek Koltunski
|
/**
|
| 347 |
|
|
* Only for use by the library itself.
|
| 348 |
|
|
*
|
| 349 |
|
|
* @y.exclude
|
| 350 |
|
|
*/
|
| 351 |
a13dde77
|
Leszek Koltunski
|
public DistortedProgram(final InputStream vert, final InputStream frag, final String vertHeader, final String fragHeader,
|
| 352 |
|
|
int glslVersion, final String[] feedback )
|
| 353 |
|
|
throws FragmentCompilationException,VertexCompilationException,LinkingException
|
| 354 |
432442f9
|
Leszek Koltunski
|
{
|
| 355 |
041b6dee
|
Leszek Koltunski
|
init(glslVersion);
|
| 356 |
432442f9
|
Leszek Koltunski
|
|
| 357 |
a13dde77
|
Leszek Koltunski
|
final String vertShader = readTextFileFromRawResource(vert, true );
|
| 358 |
|
|
final String fragShader = readTextFileFromRawResource(frag, false);
|
| 359 |
432442f9
|
Leszek Koltunski
|
|
| 360 |
a13dde77
|
Leszek Koltunski
|
final int vertShaderHandle = compileShader(GLES31.GL_VERTEX_SHADER , vertHeader + vertShader);
|
| 361 |
|
|
final int fragShaderHandle = compileShader(GLES31.GL_FRAGMENT_SHADER, fragHeader + fragShader);
|
| 362 |
432442f9
|
Leszek Koltunski
|
|
| 363 |
a13dde77
|
Leszek Koltunski
|
mProgramHandle = createAndLinkProgram(vertShaderHandle, fragShaderHandle, mAttributeName, glslVersion>= 300 ? feedback:null );
|
| 364 |
7cd24173
|
leszek
|
|
| 365 |
|
|
mAttribute = new int[mNumAttributes];
|
| 366 |
|
|
|
| 367 |
|
|
for(int i=0; i<mNumAttributes; i++)
|
| 368 |
|
|
{
|
| 369 |
e6519ac8
|
Leszek Koltunski
|
mAttribute[i] = GLES31.glGetAttribLocation( mProgramHandle, mAttributeName[i]);
|
| 370 |
7cd24173
|
leszek
|
}
|
| 371 |
041b6dee
|
Leszek Koltunski
|
|
| 372 |
|
|
if( mNumUniforms>0 )
|
| 373 |
|
|
{
|
| 374 |
|
|
mUniform = new int[mNumUniforms];
|
| 375 |
|
|
mUniformName = mUniList.split(" ");
|
| 376 |
|
|
|
| 377 |
|
|
for(int i=0; i<mNumUniforms; i++)
|
| 378 |
|
|
{
|
| 379 |
e6519ac8
|
Leszek Koltunski
|
mUniform[i] = GLES31.glGetUniformLocation( mProgramHandle, mUniformName[i]);
|
| 380 |
041b6dee
|
Leszek Koltunski
|
}
|
| 381 |
|
|
}
|
| 382 |
|
|
else mUniform = null;
|
| 383 |
|
|
}
|
| 384 |
|
|
|
| 385 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 386 |
faa3ff56
|
Leszek Koltunski
|
/**
|
| 387 |
|
|
* Only for use by the library itself.
|
| 388 |
|
|
*
|
| 389 |
|
|
* @y.exclude
|
| 390 |
|
|
*/
|
| 391 |
a13dde77
|
Leszek Koltunski
|
public DistortedProgram(final InputStream vert, final InputStream frag, final String vertHeader, final String fragHeader,
|
| 392 |
|
|
final String enabledVert, final String enabledFrag, int glslVersion, final String[] feedback )
|
| 393 |
|
|
throws FragmentCompilationException,VertexCompilationException,LinkingException
|
| 394 |
041b6dee
|
Leszek Koltunski
|
{
|
| 395 |
faa3ff56
|
Leszek Koltunski
|
init(glslVersion);
|
| 396 |
041b6dee
|
Leszek Koltunski
|
|
| 397 |
a13dde77
|
Leszek Koltunski
|
String vertShader = readTextFileFromRawResource( vert, true );
|
| 398 |
|
|
String fragShader = readTextFileFromRawResource( frag, false);
|
| 399 |
041b6dee
|
Leszek Koltunski
|
|
| 400 |
a13dde77
|
Leszek Koltunski
|
if( enabledVert!=null ) vertShader = insertEnabledEffects(vertShader,enabledVert);
|
| 401 |
|
|
if( enabledFrag!=null ) fragShader = insertEnabledEffects(fragShader,enabledFrag);
|
| 402 |
041b6dee
|
Leszek Koltunski
|
|
| 403 |
a13dde77
|
Leszek Koltunski
|
final int vertShaderHandle = compileShader(GLES31.GL_VERTEX_SHADER , vertHeader + vertShader);
|
| 404 |
|
|
final int fragShaderHandle = compileShader(GLES31.GL_FRAGMENT_SHADER, fragHeader + fragShader);
|
| 405 |
faa3ff56
|
Leszek Koltunski
|
|
| 406 |
a13dde77
|
Leszek Koltunski
|
mProgramHandle = createAndLinkProgram(vertShaderHandle, fragShaderHandle, mAttributeName, glslVersion>= 300 ? feedback:null );
|
| 407 |
041b6dee
|
Leszek Koltunski
|
|
| 408 |
|
|
mAttribute = new int[mNumAttributes];
|
| 409 |
|
|
|
| 410 |
|
|
for(int i=0; i<mNumAttributes; i++)
|
| 411 |
|
|
{
|
| 412 |
e6519ac8
|
Leszek Koltunski
|
mAttribute[i] = GLES31.glGetAttribLocation( mProgramHandle, mAttributeName[i]);
|
| 413 |
041b6dee
|
Leszek Koltunski
|
}
|
| 414 |
|
|
|
| 415 |
|
|
if( mNumUniforms>0 )
|
| 416 |
|
|
{
|
| 417 |
|
|
mUniform = new int[mNumUniforms];
|
| 418 |
|
|
mUniformName = mUniList.split(" ");
|
| 419 |
|
|
|
| 420 |
|
|
for(int i=0; i<mNumUniforms; i++)
|
| 421 |
|
|
{
|
| 422 |
e6519ac8
|
Leszek Koltunski
|
mUniform[i] = GLES31.glGetUniformLocation( mProgramHandle, mUniformName[i]);
|
| 423 |
041b6dee
|
Leszek Koltunski
|
}
|
| 424 |
|
|
}
|
| 425 |
|
|
else mUniform = null;
|
| 426 |
7cd24173
|
leszek
|
}
|
| 427 |
|
|
|
| 428 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 429 |
faa3ff56
|
Leszek Koltunski
|
/**
|
| 430 |
|
|
* Only for use by the library itself.
|
| 431 |
|
|
*
|
| 432 |
|
|
* @y.exclude
|
| 433 |
|
|
*/
|
| 434 |
|
|
public DistortedProgram(final InputStream vertex, final InputStream fragment, final String vertexHeader, final String fragmentHeader, int glslVersion )
|
| 435 |
7cd24173
|
leszek
|
throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
|
| 436 |
|
|
{
|
| 437 |
faa3ff56
|
Leszek Koltunski
|
this(vertex,fragment,vertexHeader,fragmentHeader,glslVersion,null);
|
| 438 |
|
|
}
|
| 439 |
7cd24173
|
leszek
|
|
| 440 |
faa3ff56
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 441 |
|
|
// PUBLIC API
|
| 442 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 443 |
|
|
/**
|
| 444 |
|
|
* Create a new Shader Program from two source strings.
|
| 445 |
|
|
* <p>
|
| 446 |
|
|
* Needs to be called from a thread holding the OpenGL context.
|
| 447 |
|
|
*
|
| 448 |
|
|
* @param vertex Vertex shader code.
|
| 449 |
|
|
* @param fragment Fragment shader code.
|
| 450 |
|
|
* @throws FragmentCompilationException
|
| 451 |
|
|
* @throws VertexCompilationException
|
| 452 |
|
|
* @throws VertexUniformsException
|
| 453 |
|
|
* @throws FragmentUniformsException
|
| 454 |
|
|
* @throws LinkingException
|
| 455 |
|
|
*/
|
| 456 |
|
|
public DistortedProgram(final String vertex, final String fragment)
|
| 457 |
|
|
throws FragmentCompilationException,VertexCompilationException,VertexUniformsException,FragmentUniformsException,LinkingException
|
| 458 |
|
|
{
|
| 459 |
|
|
init(300);
|
| 460 |
7cd24173
|
leszek
|
|
| 461 |
faa3ff56
|
Leszek Koltunski
|
doAttributes(vertex , true );
|
| 462 |
|
|
doAttributes(fragment, false);
|
| 463 |
7cd24173
|
leszek
|
|
| 464 |
e6519ac8
|
Leszek Koltunski
|
final int vertexShaderHandle = compileShader(GLES31.GL_VERTEX_SHADER , vertex );
|
| 465 |
|
|
final int fragmentShaderHandle = compileShader(GLES31.GL_FRAGMENT_SHADER, fragment);
|
| 466 |
7cd24173
|
leszek
|
|
| 467 |
faa3ff56
|
Leszek Koltunski
|
mProgramHandle = createAndLinkProgram(vertexShaderHandle, fragmentShaderHandle, mAttributeName, null );
|
| 468 |
432442f9
|
Leszek Koltunski
|
|
| 469 |
02de77c9
|
Leszek Koltunski
|
mAttribute = new int[mNumAttributes];
|
| 470 |
432442f9
|
Leszek Koltunski
|
|
| 471 |
02de77c9
|
Leszek Koltunski
|
for(int i=0; i<mNumAttributes; i++)
|
| 472 |
|
|
{
|
| 473 |
e6519ac8
|
Leszek Koltunski
|
mAttribute[i] = GLES31.glGetAttribLocation( mProgramHandle, mAttributeName[i]);
|
| 474 |
02de77c9
|
Leszek Koltunski
|
}
|
| 475 |
041b6dee
|
Leszek Koltunski
|
|
| 476 |
|
|
if( mNumUniforms>0 )
|
| 477 |
|
|
{
|
| 478 |
|
|
mUniform = new int[mNumUniforms];
|
| 479 |
|
|
mUniformName = mUniList.split(" ");
|
| 480 |
|
|
|
| 481 |
|
|
for(int i=0; i<mNumUniforms; i++)
|
| 482 |
|
|
{
|
| 483 |
e6519ac8
|
Leszek Koltunski
|
mUniform[i] = GLES31.glGetUniformLocation( mProgramHandle, mUniformName[i]);
|
| 484 |
041b6dee
|
Leszek Koltunski
|
}
|
| 485 |
|
|
}
|
| 486 |
|
|
else mUniform = null;
|
| 487 |
432442f9
|
Leszek Koltunski
|
}
|
| 488 |
|
|
|
| 489 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 490 |
3d804c91
|
Leszek Koltunski
|
/**
|
| 491 |
|
|
* Return the handle of the created program so that we can later, say, call glUseProgram.
|
| 492 |
|
|
*/
|
| 493 |
432442f9
|
Leszek Koltunski
|
public int getProgramHandle()
|
| 494 |
|
|
{
|
| 495 |
|
|
return mProgramHandle;
|
| 496 |
|
|
}
|
| 497 |
|
|
|
| 498 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 499 |
3d804c91
|
Leszek Koltunski
|
/**
|
| 500 |
02de77c9
|
Leszek Koltunski
|
* Use the program and enable all vertex attribute arrays.
|
| 501 |
|
|
*
|
| 502 |
3d804c91
|
Leszek Koltunski
|
* Needs to be called from a thread holding the OpenGL context.
|
| 503 |
|
|
*/
|
| 504 |
02de77c9
|
Leszek Koltunski
|
public void useProgram()
|
| 505 |
432442f9
|
Leszek Koltunski
|
{
|
| 506 |
e6519ac8
|
Leszek Koltunski
|
GLES31.glUseProgram(mProgramHandle);
|
| 507 |
02de77c9
|
Leszek Koltunski
|
|
| 508 |
432442f9
|
Leszek Koltunski
|
for(int i=0; i<mNumAttributes; i++)
|
| 509 |
e6519ac8
|
Leszek Koltunski
|
GLES31.glEnableVertexAttribArray(mAttribute[i]);
|
| 510 |
432442f9
|
Leszek Koltunski
|
}
|
| 511 |
|
|
}
|
| 512 |
02de77c9
|
Leszek Koltunski
|
|