Example usage for org.lwjgl.opengl GL20 glGetShaderi

Introduction

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

Prototype

@NativeType("void")
public static int glGetShaderi(@NativeType("GLuint") int shader, @NativeType("GLenum") int pname) 

Source Link

Document

Returns a parameter from a shader object.

Usage

From source file:br.com.perin.shaders.ShaderProgram.java

private static int loadShader(String file, int type) {
    StringBuilder shaderSource = new StringBuilder();
    try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
        String line;/*www .  j  a v a  2  s.  co  m*/
        while ((line = reader.readLine()) != null) {
            shaderSource.append(line).append("//\n");
        }
    } catch (IOException e) {
        e.printStackTrace();
        System.exit(-1);
    }
    int shaderID = GL20.glCreateShader(type);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);
    if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        System.out.println(GL20.glGetShaderInfoLog(shaderID, 500));
        System.err.println("Could not compile shader!");
        System.exit(-1);
    }
    return shaderID;
}

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From source file:com.flowpowered.caustic.lwjgl.gl20.GL20Shader.java

License:MIT License

@Override
public void compile() {
    checkCreated();//  w w  w .j  a v a2s  . co m
    // Compile the shader
    GL20.glCompileShader(id);
    // Get the shader compile status property, check it's false and fail if that's the case
    if (GL20.glGetShaderi(id, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        throw new IllegalStateException(
                "OPEN GL ERROR: Could not compile shader\n" + GL20.glGetShaderInfoLog(id, 1000));
    }
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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From source file:com.geekyaubergine.geekyjgameutil.shader.ShaderProgram.java

License:Open Source License

/**
 * Loads shader program from file and returns the shader ID
 * @param file File to read//from   w  ww  .jav  a2  s  .  c  o m
 * @param type Type of shader
 * @return Shader ID
 * @throws IOException
 */
private int loadShaderFile(File file, int type) throws IOException {
    List<String> lines = FileUtil.readLinesFromFile(file, false, true);
    StringBuilder shaderSource = new StringBuilder();
    for (String line : lines) {
        shaderSource.append(line).append("\n");
    }

    int shaderID = GL20.glCreateShader(type);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);
    if (GL20.glGetShaderi(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        Log.error("Could not complile shader");
        Log.error(GL20.glGetShaderInfoLog(shaderID, 500));
    }
    return shaderID;
}

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

public int compileShader(int shaderType, String shaderName) {
    // Initialize the vertex Shader
    int shaderId = GL20.glCreateShader(shaderType);
    GL20.glShaderSource(shaderId, loadShader(defaultShaderLocation + shaderName));
    GL20.glCompileShader(shaderId);/*from  w ww. ja  va 2 s.  c  om*/

    // Check if the vertex shader compiled
    if (GL20.glGetShaderi(shaderId, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        log.logError("Failed to compile " + shaderName + " shader");
        System.exit(-1);
    }

    return shaderId;
}

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

License:Apache License

/**
 * Compiles a shader from the provided source and returns its OpenGL handle.
 * @param type the shader type to use when compiling.
 * @param source the source to compile./*from   www.  j  a  v  a  2s .c o  m*/
 * @return the OpenGL handle for this shader.
 * @throws LWJGLException if compilation was unsuccessful
 */
public static int compileShader(int type, String source) throws LWJGLException {
    //Create the shader ponter varable
    int shader;
    //Create the shader
    shader = GL20.glCreateShader(type);

    //load the source
    GL20.glShaderSource(shader, source);
    //compile the source
    GL20.glCompileShader(shader);

    //Get if the compile was good
    boolean compile = GL20.glGetShaderi(shader, GL20.GL_COMPILE_STATUS) == GL11.GL_TRUE;

    //Get the log
    String infoLog = GL20.glGetShaderInfoLog(shader, GL20.glGetShaderi(shader, 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 the compiling was unsuccessful
    if (compile == false) {
        //throw a exception if unsuccessful
        throw new LWJGLException(
                "Failure in compiling " + ShaderProgram.typeToString(type) + ". Error log:\n" + infoLog);
    }

    //Return the OpenGL pointer for the shader
    return shader;
}

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

License:Apache License

private static int createShader(int type, String source) {
    int shader = GL20.glCreateShader(type);
    GL20.glShaderSource(shader, source);
    GL20.glCompileShader(shader);/*from   ww w  .j a  va2s.co  m*/
    if (GL20.glGetShaderi(shader, GL20.GL_COMPILE_STATUS) != GL11.GL_TRUE) {
        LOG.log(WARNING,
                "Failed to compile shader:\n" + GL20.glGetShaderInfoLog(shader) + "\n\nSource:\n" + source);
        GL20.glDeleteShader(shader);
        return -1;
    }
    return shader;
}

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

License:Apache License

public static int getShaderiv(int shader, int name) {
    return GL20.glGetShaderi(shader, name);
}

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From source file:com.grillecube.client.opengl.GLShader.java

public static int loadShader(String filepath, int type, String preprocessor) {
    Logger.get().log(Logger.Level.FINE, "Loading shader: " + filepath);

    try {/*from ww w  .j a v  a  2  s . co m*/
        String source = readFile(filepath) + preprocessor;
        int shader_id = GL20.glCreateShader(type);
        GL20.glShaderSource(shader_id, source);
        GL20.glCompileShader(shader_id);
        if (GL20.glGetShaderi(shader_id, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
            System.out.println(GL20.glGetShaderInfoLog(shader_id, 512));
            System.err.println("Couldnt compile shader: " + filepath);
            return (-1);
        }
        return (shader_id);
    } catch (IOException e) {
        System.out.println("couldnt read file: " + filepath);
        e.printStackTrace();
        return (-1);
    }
}

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From source file:com.grillecube.engine.opengl.object.GLShader.java

public static int loadShader(String filepath, int type) {
    Logger.get().log(Logger.Level.FINE, "Loading shader: " + filepath);

    try {// w ww  . j  a  va  2s.  c  om
        String source = readFile(filepath);
        int shader_id = GL20.glCreateShader(type);
        GL20.glShaderSource(shader_id, source);
        GL20.glCompileShader(shader_id);
        if (GL20.glGetShaderi(shader_id, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
            System.out.println(GL20.glGetShaderInfoLog(shader_id, 512));
            System.err.println("Couldnt compile shader: " + filepath);
            return (-1);
        }
        return (shader_id);
    } catch (IOException e) {
        System.out.println("couldnt read file: " + filepath);
        e.printStackTrace();
        return (-1);
    }
}

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From source file:com.kauridev.lunarfever.graphics.ShaderProgram.java

License:Open Source License

private int compileShader(int type, String source) {
    int shader = GL20.glCreateShader(type);

    if (shader == 0) {
        throw new RuntimeException();
    }//from   ww w  . j av  a  2  s.  c  o m

    GL20.glShaderSource(shader, source);
    GL20.glCompileShader(shader);

    int comp = GL20.glGetShaderi(shader, GL20.GL_COMPILE_STATUS);
    int len = GL20.glGetShaderi(shader, GL20.GL_INFO_LOG_LENGTH);

    if (comp == GL11.GL_FALSE) {
        throw new RuntimeException(GL20.glGetShaderInfoLog(shader, len));
    }

    return shader;
}

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