Example usage for org.lwjgl.opengl GL20 glDeleteShader

Introduction

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

Prototype

public static void glDeleteShader(@NativeType("GLuint") int shader)

Source Link

Document

Deletes a shader object.

Usage

From source file:thebounzer.org.lwgldemo.glutils.ShaderProgram.java

License:Open Source License

private void deleteShader(GenericShader shader) {
    GL20.glDetachShader(pId, shader.getShaderId());
    GL20.glDeleteShader(shader.getShaderId());
}

From source file:tk.ivybits.engine.gl.GL.java

License:Open Source License

public static void glDeleteShader(int a) {
    GL20.glDeleteShader(a);
}

From source file:vertigo.graphics.lwjgl.ShaderUtils.java

License:Open Source License

public static int attachShaders(String vertexCode, String fragmentCode) throws Exception {
    int vertexShaderProgram;
    int fragmentShaderProgram;
    int shaderprogram;
    String log = "";

    vertexShaderProgram = compileShader(vertexCode, GL20.GL_VERTEX_SHADER);
    fragmentShaderProgram = compileShader(fragmentCode, GL20.GL_FRAGMENT_SHADER);

    shaderprogram = GL20.glCreateProgram();
    GL20.glAttachShader(shaderprogram, vertexShaderProgram);
    GL20.glAttachShader(shaderprogram, fragmentShaderProgram);
    GL20.glLinkProgram(shaderprogram);/*from w w  w  . j av  a2  s  .c  o  m*/

    //grab our info log
    String infoLog = GL20.glGetProgramInfoLog(shaderprogram,
            GL20.glGetProgrami(shaderprogram, GL20.GL_INFO_LOG_LENGTH));

    //if some log exists, append it 
    if (infoLog != null && infoLog.trim().length() != 0)
        log += infoLog;

    //if the link failed, throw some sort of exception
    if (GL20.glGetProgrami(shaderprogram, GL20.GL_LINK_STATUS) == GL11.GL_FALSE)
        throw new LWJGLException("Failure in linking program. Error log:\n" + infoLog);

    //detach and delete the shaders which are no longer needed
    GL20.glDetachShader(shaderprogram, vertexShaderProgram);
    GL20.glDetachShader(shaderprogram, fragmentShaderProgram);
    GL20.glDeleteShader(vertexShaderProgram);
    GL20.glDeleteShader(fragmentShaderProgram);

    GL20.glValidateProgram(shaderprogram);

    return shaderprogram;
}

From source file:voxicity.ChunkNode.java

License:Open Source License

int create_vert_shader(String filename) {
    int shader = GL20.glCreateShader(GL20.GL_VERTEX_SHADER);

    String code_text = "";
    String line;//from  w w w  . j a  v  a  2 s  .  c  om
    try {
        BufferedReader reader = new BufferedReader(new FileReader(filename));
        while ((line = reader.readLine()) != null) {
            code_text += line + "\n";
        }
    } catch (Exception e) {
        System.out.println("Reading vertex shader code failed");
        e.printStackTrace();
    }

    GL20.glShaderSource(shader, code_text);

    GL20.glCompileShader(shader);

    System.out.println("Compiling vertex shader: " + filename);
    if (GL20.glGetShader(shader, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        print_shader_log(shader);
    }

    if (check_shader_error(shader)) {
        GL20.glDeleteShader(shader);
        shader = 0;
    }

    return shader;
}

From source file:voxicity.ChunkNode.java

License:Open Source License

int create_frag_shader(String filename) {
    int shader = GL20.glCreateShader(GL20.GL_FRAGMENT_SHADER);

    String code_text = "";
    String line;//  www.  ja v  a  2  s  .  c o m
    try {
        BufferedReader reader = new BufferedReader(new FileReader(filename));
        while ((line = reader.readLine()) != null) {
            code_text += line + "\n";
        }
    } catch (Exception e) {
        System.out.println("Reading vertex shader code failed");
        e.printStackTrace();
    }

    GL20.glShaderSource(shader, code_text);

    System.out.println("Compiling fragment shader: " + filename);
    GL20.glCompileShader(shader);

    if (GL20.glGetShader(shader, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        print_shader_log(shader);
    }

    if (check_shader_error(shader)) {
        GL20.glDeleteShader(shader);
        shader = 0;
    }

    return shader;
}

From source file:wrath.client.graphics.ShaderProgram.java

License:Open Source License

@Override
public void close() {
    GL20.glUseProgram(0);/*from w w  w  . java 2 s.c  o  m*/
    GL20.glDetachShader(programID, vertShaderID);
    GL20.glDetachShader(programID, fragShaderID);
    GL20.glDeleteShader(vertShaderID);
    GL20.glDeleteShader(fragShaderID);
    GL20.glDeleteProgram(programID);
    Game.getCurrentInstance().removeFromTrashCleanup(this);
}