Example usage for org.lwjgl.opengl GL20 glCreateShader

Introduction

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

Prototype

@NativeType("GLuint")
public static int glCreateShader(@NativeType("GLenum") int type) 

Source Link

Document

Creates a shader object.

Usage

From source file:io.root.gfx.glutils.GL.java

License:Apache License

public static int glCreateShader(int type) {
    return GL20.glCreateShader(type);
}

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From source file:jpcsp.graphics.RE.RenderingEngineLwjgl.java

License:Open Source License

@Override
public int createShader(int type) {
    return GL20.glCreateShader(shaderTypeToGL[type]);
}

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From source file:lessur.util.shader.ShaderManager.java

License:GNU General Public License

/**
 * Fetches a shader id for a given fragment shader, generating
 * a new id if necessary//from  w ww. ja v a  2  s .c  o m
 * @param fragmentShaderFilePath The path to the fragment shader
 * @returns shaderID for a given fragment shader
 */
public int getFragmentShaderID(String fragmentShaderFilePath) throws Exception {
    Integer id = shaderMap.get(fragmentShaderFilePath);
    if (id == null) {
        if (has_opengl2) {
            id = GL20.glCreateShader(GL20.GL_FRAGMENT_SHADER);
            GL20.glShaderSource(id, getProgramCode(fragmentShaderFilePath));
            GL20.glCompileShader(id);
            shaderMap.put(fragmentShaderFilePath, id);
        } else if (has_arb) {
            id = ARBShaderObjects.glCreateShaderObjectARB(ARBFragmentShader.GL_FRAGMENT_SHADER_ARB);
            ARBShaderObjects.glShaderSourceARB(id, getProgramCode(fragmentShaderFilePath));
            ARBShaderObjects.glCompileShaderARB(id);
            shaderMap.put(fragmentShaderFilePath, id);
        }
        StringBuilder errorMessage = new StringBuilder();
        //Check for errors with shader
        if (!compiledSuccessfully(id)) {
            errorMessage.append("Fragment Shader ");
            errorMessage.append(fragmentShaderFilePath);
            errorMessage.append(" failed to compile.\n");
            errorMessage.append(getShaderInfoLog(id));
            errorMessage.append("\n\n");
            errorMessage.insert(0, "Could not compile shader.\n");
            throw new Exception(errorMessage.toString());
        }
    }
    return id;
}

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From source file:lessur.util.shader.ShaderManager.java

License:GNU General Public License

/**
 * Fetches a shader id for a given vertex shader, generating
 * a new id if necessary./*from   w  ww.  ja  v  a2  s .com*/
 * @param fragmentFileName The path to the vertex shader
 * @returns shaderID The shader ID of the [new] fragment shader
 */
public int getVertexShaderID(String vertexShaderFilePath) throws Exception {
    Integer id = shaderMap.get(vertexShaderFilePath);
    if (id == null) {
        if (has_opengl2) {
            id = GL20.glCreateShader(GL20.GL_VERTEX_SHADER);
            GL20.glShaderSource(id, getProgramCode(vertexShaderFilePath));
            GL20.glCompileShader(id);
            shaderMap.put(vertexShaderFilePath, id);
        } else if (has_arb) {
            id = ARBShaderObjects.glCreateShaderObjectARB(ARBVertexShader.GL_VERTEX_SHADER_ARB);
            ARBShaderObjects.glShaderSourceARB(id, getProgramCode(vertexShaderFilePath));
            ARBShaderObjects.glCompileShaderARB(id);
            shaderMap.put(vertexShaderFilePath, id);
        }
        StringBuilder errorMessage = new StringBuilder();
        //Check for errors with shader
        if (!compiledSuccessfully(id)) {
            errorMessage.append("Vertex Shader ");
            errorMessage.append(vertexShaderFilePath);
            errorMessage.append(" failed to compile.\n");
            errorMessage.append(getShaderInfoLog(id));
            errorMessage.append("\n\n");
            errorMessage.insert(0, "Could not compile shader.\n");
            throw new Exception(errorMessage.toString());
        }
    }
    return id;
}

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From source file:main.java.com.YeAJG.game.io.FileIOHandler.java

License:Open Source License

public static int loadShader(String filename, int type) throws IOException {
    StringBuilder shaderSource = new StringBuilder();
    int shaderID = 0;

    try {//  w ww.  ja va 2s  . c o m
        BufferedReader reader = new BufferedReader(new FileReader(filename));
        String line;
        while ((line = reader.readLine()) != null) {
            shaderSource.append(line).append("\n");
        }
        reader.close();
    } catch (IOException e) {
        throw new IOException(e.getMessage());
    }

    shaderID = GL20.glCreateShader(type);
    GL20.glShaderSource(shaderID, shaderSource);
    GL20.glCompileShader(shaderID);

    if (GL20.glGetShader(shaderID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
        throw new IOException("Could not compile shader.");
    }

    Game.exitOnGLError("loadShader");
    return shaderID;
}

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From source file:me.thehutch.fusion.engine.render.opengl.gl20.OpenGL20Program.java

License:Open Source License

@Override
public void attachShader(CharSequence source, int type) {
    ensureCreated("Program must be created to attach a shader.");
    // Generate a shader handle
    final int shaderId = GL20.glCreateShader(type);
    // Upload the shader's source to the GPU
    GL20.glShaderSource(shaderId, source);
    // Compile the shader
    GL20.glCompileShader(shaderId);/*from  w ww. j  a va 2  s . co  m*/
    // Check for a shader compile error
    if (GL20.glGetShaderi(shaderId, GL_COMPILE_STATUS) == GL_FALSE) {
        // Get the shader info log length
        final int logLength = GL20.glGetShaderi(shaderId, GL20.GL_INFO_LOG_LENGTH);
        throw new IllegalStateException(
                "OpenGL Error: Could not compile shader\n" + GL20.glGetShaderInfoLog(shaderId, logLength));
    }
    // Attach the shader
    GL20.glAttachShader(id, shaderId);
    // Add the shader to the program
    this.shaders.add(shaderId);
    // Check for errors
    RenderUtil.checkGLError();
}

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From source file:net.betabears.the2dlibrary.graphics.shader.Shader.java

public void createShader() {
    id = GL20.glCreateShader(type);
    GL20.glShaderSource(id, text);/*from w ww .  j  a va2  s.com*/
    GL20.glCompileShader(id);

    int i;
    while ((i = GL11.glGetError()) != 0) {
        LOGGER.log(Level.WARNING, "Error happened during creation of ShaderProgram. GL error code: {0}", i);
    }
}

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From source file:net.neilcsmith.praxis.video.opengl.internal.ShaderProgram.java

License:Apache License

private int loadShader(int type, String source) {
    //      GL20 gl = Gdx.graphics.getGL20();
    ByteBuffer tmp = ByteBuffer.allocateDirect(4);
    tmp.order(ByteOrder.nativeOrder());
    IntBuffer intbuf = tmp.asIntBuffer();

    int shader = GL20.glCreateShader(type);
    if (shader == 0)
        return -1;

    GL20.glShaderSource(shader, source);
    GL20.glCompileShader(shader);/* w  w w . ja  v a2s .  c om*/
    GL20.glGetShader(shader, GL20.GL_COMPILE_STATUS, intbuf);

    int compiled = intbuf.get(0);
    if (compiled == 0) {
        GL20.glGetShader(shader, GL20.GL_INFO_LOG_LENGTH, intbuf);
        int infoLogLength = intbuf.get(0);
        if (infoLogLength > 1) {
            String infoLog = getShaderInfoLog(shader);
            log += infoLog;
        }
        return -1;
    }

    return shader;
}

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From source file:net.smert.frameworkgl.opengl.helpers.ShaderHelper.java

License:Apache License

public int createShader(int type) {
    return GL20.glCreateShader(type);
}

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From source file:opengl.test.object.object.java

protected final void vertexShader(String file) {
    this.vertexID = GL20.glCreateShader(GL20.GL_VERTEX_SHADER);
    GL20.glShaderSource(this.vertexID, object.sourceLoader(file));
    GL20.glCompileShader(this.vertexID);
    if (GL20.glGetShaderi(this.vertexID, GL20.GL_COMPILE_STATUS) != GL11.GL_TRUE) {
        throw new RuntimeException("Khong the compile vertexShader");
    }/*from  w  w  w.  j  ava  2  s.  co  m*/
    GL20.glAttachShader(this.programID, this.vertexID);
}

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