Example usage for org.lwjgl.opengl GL20 GL_FRAGMENT_SHADER

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 GL_FRAGMENT_SHADER.

Prototype

int GL_FRAGMENT_SHADER

To view the source code for org.lwjgl.opengl GL20 GL_FRAGMENT_SHADER.

Click Source Link

Document

Accepted by the type argument of CreateShader and returned by the params parameter of GetShaderiv.

Usage

From source file:com.github.begla.blockmania.rendering.ShaderManager.java

License:Apache License

private int createFragShader(String filename, String title) {

    _fragmentShader.put(title, GL20.glCreateShader(GL20.GL_FRAGMENT_SHADER));

    if (_fragmentShader.get(title) == 0) {
        return 0;
    }/*from www .j a  v  a2  s. c  o m*/

    String fragCode = "";
    String line;
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(ResourceLoader
                .getResource("com/github/begla/blockmania/data/shaders/" + filename).openStream()));
        while ((line = reader.readLine()) != null) {
            fragCode += line + "\n";
        }
    } catch (Exception e) {
        Blockmania.getInstance().getLogger().log(Level.SEVERE, "Failed to read fragment shader.");
        return 0;
    }

    GL20.glShaderSource(_fragmentShader.get(title), fragCode);
    GL20.glCompileShader(_fragmentShader.get(title));

    printLogInfo(_fragmentShader.get(title));

    return _fragmentShader.get(title);
}

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From source file:com.github.kajdreef.mazerunnermvn.MazeRunner.ShaderProgram.java

public void newShaderProgram(String vertexShaderLocation, String fragmentShaderLocation) {
    // Initialize the vertex Shader
    vertexId = compileShader(GL20.GL_VERTEX_SHADER, vertexShaderLocation);

    // Initialize the fragment shader
    fragmentId = compileShader(GL20.GL_FRAGMENT_SHADER, fragmentShaderLocation);

    programId = GL20.glCreateProgram();/* w  ww . jav a2 s  .  c  o m*/
    GL20.glAttachShader(programId, vertexId);
    GL20.glAttachShader(programId, fragmentId);

    // Position information will be attribute 0
    GL20.glBindAttribLocation(programId, 0, "in_Position");
    // Color information will be attribute 1
    GL20.glBindAttribLocation(programId, 1, "in_Color");
    // Texture information will be attribute 2
    GL20.glBindAttribLocation(programId, 2, "in_TextureCoord");

    GL20.glLinkProgram(programId);
    GL20.glValidateProgram(programId);

    // Get matrices uniform locations
    projectionMatrixLocation = GL20.glGetUniformLocation(programId, "projectionMatrix");
    viewMatrixLocation = GL20.glGetUniformLocation(programId, "viewMatrix");
    modelMatrixLocation = GL20.glGetUniformLocation(programId, "modelMatrix");
}

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From source file:com.github.ryancwilliams.WJ3dPL.graphics.GLUtils.ShaderProgram.java

License:Apache License

/**
 * Creates a new shader program with the provided vertex and fragment 
 * shader source code./*from   w w  w .  j a  v a  2s  .  c o  m*/
 * The provided attributes are linked to this program.
 * @param vertexShaderSource the source code of the vertex shader.
 * @param fragmentShaderSource the source code of the fragment shader.
 * @param attributes The Vertex Attributes to bind to this shader program.
 * @throws LWJGLException If their is a issue compiling the shaders or 
 * creating or binding the program.  
 */
public ShaderProgram(String vertexShaderSource, String fragmentShaderSource, List<VertexAttribute> attributes)
        throws LWJGLException {
    //Check if any of the sourcecode paramaters are null
    if (fragmentShaderSource == null || fragmentShaderSource == null) {
        //If any of the sourcecode paramaters were null
        //throw a exception
        throw new IllegalArgumentException("Shader source may not be null");
    }
    //Check if shaders are not supported
    if (!ShaderProgram.isSupported()) {
        //If shaders are not supported
        //throw a exception
        throw new LWJGLException("Shaders are not supported on this device");
    }

    //Compile the shaders
    int vertexShader = ShaderProgram.compileShader(GL20.GL_VERTEX_SHADER, vertexShaderSource);
    int fragmentShader = ShaderProgram.compileShader(GL20.GL_FRAGMENT_SHADER, fragmentShaderSource);

    //Create the program
    this.program = GL20.glCreateProgram();

    //Bind the attrib locations
    //Check if attributes were provided
    if (attributes != null) {
        //For each attribute
        for (VertexAttribute attribute : attributes) {
            //Check if the attribute is not null
            if (attribute != null) {
                //bind the attribute
                GL20.glBindAttribLocation(this.program, attribute.index, attribute.name);
            }
        }
    }

    //Attach the shaders
    GL20.glAttachShader(this.program, vertexShader);
    GL20.glAttachShader(this.program, fragmentShader);

    //Link the program
    GL20.glLinkProgram(this.program);

    //Get if the program link was good
    boolean programLink = GL20.glGetProgrami(this.program, GL20.GL_LINK_STATUS) == GL11.GL_TRUE;

    //Get the log
    String infoLog = GL20.glGetProgramInfoLog(this.program,
            GL20.glGetProgrami(this.program, GL20.GL_INFO_LOG_LENGTH));

    //Log the log if a log is present
    if (infoLog != null && infoLog.trim().length() != 0) {
        Logger.getLogger(ShaderProgram.class.getName()).log(Level.FINEST, infoLog);
    }

    //Check if program link is bad
    if (programLink == false) {
        throw new LWJGLException("Failure in linking program. Error log:\n" + infoLog);
    }

    //detach and delete the shaders which are no longer needed
    GL20.glDetachShader(this.program, vertexShader);
    GL20.glDetachShader(this.program, fragmentShader);
    GL20.glDeleteShader(vertexShader);
    GL20.glDeleteShader(fragmentShader);
}

---

From source file:com.github.ryancwilliams.WJ3dPL.graphics.GLUtils.ShaderProgram.java

License:Apache License

/**
 * Converts the provided shader type value to a string.
 * @param type the type value to convert.
 * @return the type value as a String./*from  w w w  .  ja  v  a2s.co m*/
 */
public static String typeToString(int type) {
    switch (type) {
    case GL20.GL_VERTEX_SHADER:
        return "GL_VERTEX_SHADER";
    case GL20.GL_FRAGMENT_SHADER:
        return "GL_FRAGMENT_SHADER";
    default:
        return "shader";
    }
}

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From source file:com.google.gapid.glviewer.gl.Shader.java

License:Apache License

private boolean attachShaders(String vertexSource, String fragmentSource) {
    int vertexShader = createShader(GL20.GL_VERTEX_SHADER, vertexSource);
    if (vertexShader < 0) {
        return false;
    }//from   w  ww  . j  a v  a  2  s. c o m

    int fragmentShader = createShader(GL20.GL_FRAGMENT_SHADER, fragmentSource);
    if (fragmentShader < 0) {
        GL20.glDeleteShader(vertexShader);
        return false;
    }

    GL20.glAttachShader(handle, vertexShader);
    GL20.glAttachShader(handle, fragmentShader);
    return true;
}

---

From source file:com.grillecube.client.renderer.gui.ProgramColoredQuad.java

public ProgramColoredQuad() {
    super();/*from  w  w  w  .j a  v  a 2s  .  c o m*/
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/quadColored.fs"), GL20.GL_FRAGMENT_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/quadColored.gs"), GL32.GL_GEOMETRY_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/quadColored.vs"), GL20.GL_VERTEX_SHADER));
    this.link();
}

---

From source file:com.grillecube.client.renderer.gui.ProgramFont.java

public ProgramFont() {
    super();//from   www.ja v  a  2  s .  c om
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/font.fs"), GL20.GL_FRAGMENT_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/font.vs"), GL20.GL_VERTEX_SHADER));
    this.link();
}

---

From source file:com.grillecube.client.renderer.gui.ProgramTexturedQuad.java

public ProgramTexturedQuad() {
    super();/*from  w w  w  .jav a 2 s  .c  o  m*/
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/quadTextured.fs"), GL20.GL_FRAGMENT_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/quadTextured.gs"), GL32.GL_GEOMETRY_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/gui/quadTextured.vs"), GL20.GL_VERTEX_SHADER));
    this.link();
}

---

From source file:com.grillecube.client.renderer.lines.ProgramLines.java

public ProgramLines() {
    super();/* w  w w. java2s . c  o  m*/
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/lines.fs"), GL20.GL_FRAGMENT_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/lines.vs"), GL20.GL_VERTEX_SHADER));
    this.link();
}

---

From source file:com.grillecube.client.renderer.model.ProgramModel.java

public ProgramModel() {
    super();// www . j  ava2 s  .c  om
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/model.fs"), GL20.GL_FRAGMENT_SHADER));
    this.addShader(GLH.glhLoadShader(R.getResPath("shaders/model.vs"), GL20.GL_VERTEX_SHADER));
    this.link();
}

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