Example usage for org.lwjgl.opengl GL20 glGetProgrami

Introduction

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

Prototype

@NativeType("void")
public static int glGetProgrami(@NativeType("GLuint") int program, @NativeType("GLenum") int pname) 

Source Link

Document

Returns a parameter from a program object.

Usage

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

License:Open Source License

@Override
public void link() {
    ensureCreated("Program must be created to link.");
    // Link the program
    GL20.glLinkProgram(id);//ww  w . jav  a  2 s. c o  m
    // Check program link success
    if (GL20.glGetProgrami(id, GL_LINK_STATUS) == GL_FALSE) {
        final int logLength = GL20.glGetProgrami(id, GL_INFO_LOG_LENGTH);
        throw new IllegalStateException(
                "Program could not be linked\n" + GL20.glGetProgramInfoLog(id, logLength));
    }
    // Check for errors
    RenderUtil.checkGLError();

    // Validate the program
    GL20.glValidateProgram(id);
    // Check program validation success
    if (GL20.glGetProgrami(id, GL_VALIDATE_STATUS) == GL_FALSE) {
        final int logLength = GL20.glGetProgrami(id, GL_INFO_LOG_LENGTH);
        System.err.println("Program validation failed:\n" + GL20.glGetProgramInfoLog(id, logLength));
    }
    // Check for errors
    RenderUtil.checkGLError();

    /*
     * Load the program uniforms
     */
    // Get the maximum uniform name length
    final int maxNameLength = GL20.glGetProgrami(id, GL_ACTIVE_UNIFORM_MAX_LENGTH);
    // Create a buffer to store the name of the uniform
    final ByteBuffer nameBuffer = BufferUtils.createByteBuffer(maxNameLength);
    // Create a buffer to store the length of the uniform name
    final IntBuffer lengthBuffer = BufferUtils.createIntBuffer(1);
    // Create a buffer to store the uniform size
    final IntBuffer sizeBuffer = BufferUtils.createIntBuffer(1);
    // Create a buffer to stroe the uniform type
    final IntBuffer typeBuffer = BufferUtils.createIntBuffer(1);
    // Create a byte array to store the name in
    final byte[] nameBytes = new byte[maxNameLength];
    int textureUnit = 0;

    final int uniformCount = GL20.glGetProgrami(id, GL_ACTIVE_UNIFORMS);
    for (int i = 0; i < uniformCount; ++i) {
        // Retrieve the attributes of the uniform (length, size, type and name)
        GL20.glGetActiveUniform(id, i, lengthBuffer, sizeBuffer, typeBuffer, nameBuffer);

        // Get the length of the uniform name
        final int length = lengthBuffer.get();

        // Get the name from the buffer and put it in the byte[]
        nameBuffer.get(nameBytes, 0, length);

        final String name = new String(nameBytes, 0, length);

        // Convert the name buffer to a String
        this.uniforms.put(name, GL20.glGetUniformLocation(id, name));

        // Check if the uniform is a texture/sampler
        switch (typeBuffer.get()) {
        case GL_SAMPLER_2D:
        case GL_SAMPLER_CUBE:
            this.textures.put(textureUnit++, name);
            break;
        default:
            break;
        }

        // Clear the buffers
        lengthBuffer.clear();
        sizeBuffer.clear();
        typeBuffer.clear();
        nameBuffer.clear();
    }
    // Check for errors
    RenderUtil.checkGLError();
}

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

License:Apache License

public boolean getLinkStatus(int programID) {
    return GL20.glGetProgrami(programID, GL20.GL_LINK_STATUS) != GL11.GL_FALSE;
}

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

License:Apache License

public boolean getValidateStatus(int programID) {
    return GL20.glGetProgrami(programID, GL20.GL_VALIDATE_STATUS) != GL11.GL_FALSE;
}

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

protected final void link() {
    GL20.glLinkProgram(programID);/* w  w  w.j av  a  2  s. co  m*/
    if (GL20.glGetProgrami(programID, GL20.GL_LINK_STATUS) != GL11.GL_TRUE) {
        throw new RuntimeException("Khong the link program");
    }
}

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From source file:opengl.test.object.tree.testobject.leaf.java

private void link() {
    GL20.glLinkProgram(programID);/*from  w w  w  . jav  a2s  .c o m*/
    if (GL20.glGetProgrami(programID, GL20.GL_LINK_STATUS) != GL11.GL_TRUE) {
        throw new RuntimeException("Khong the link program");
    }
}

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From source file:org.jogamp.glg2d.impl.shader.AbstractShaderPipeline.java

License:Apache License

protected void checkProgramThrowException(int programId, int statusFlag) {
    int result = GL20.glGetProgrami(programId, statusFlag);
    if (result == GL11.GL_TRUE) {
        return;//from   w  w  w .ja  va 2s .  c  o m
    }

    int loglen = GL20.glGetShaderi(programId, GL20.GL_INFO_LOG_LENGTH);
    String error = GL20.glGetShaderInfoLog(programId, loglen);
    throw new ShaderException(error);
}

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From source file:org.spout.renderer.lwjgl.gl20.GL20Program.java

License:Open Source License

@Override
public void link() {
    checkCreated();//from   w  w w.jav a2 s.c  o m
    // Add the attribute layouts to the program state
    final TObjectIntIterator<String> iterator = attributeLayouts.iterator();
    while (iterator.hasNext()) {
        iterator.advance();
        // Bind the index to the name
        GL20.glBindAttribLocation(id, iterator.value(), iterator.key());
    }
    // Link program
    GL20.glLinkProgram(id);
    // Check program link status
    if (GL20.glGetProgrami(id, GL20.GL_LINK_STATUS) == GL11.GL_FALSE) {
        throw new IllegalStateException("Program could not be linked\n" + GL20.glGetProgramInfoLog(id, 1000));
    }
    if (CausticUtil.isDebugEnabled()) {
        // Validate program
        GL20.glValidateProgram(id);
        // Check program validation status
        if (GL20.glGetProgrami(id, GL20.GL_VALIDATE_STATUS) == GL11.GL_FALSE) {
            final Logger logger = CausticUtil.getCausticLogger();
            logger.log(Level.WARNING,
                    "Program validation failed. This doesn''t mean it won''t work, so you maybe able to ignore it\n{0}",
                    GL20.glGetProgramInfoLog(id, 1000));
        }
    }
    // Load uniforms
    uniforms.clear();
    final int uniformCount = GL20.glGetProgrami(id, GL20.GL_ACTIVE_UNIFORMS);
    for (int i = 0; i < uniformCount; i++) {
        final ByteBuffer nameBuffer = CausticUtil.createByteBuffer(256);
        GL20.glGetActiveUniform(id, i, CausticUtil.createIntBuffer(1), CausticUtil.createIntBuffer(1),
                CausticUtil.createIntBuffer(1), nameBuffer);
        nameBuffer.rewind();
        final byte[] nameBytes = new byte[256];
        nameBuffer.get(nameBytes);
        // Simplify array names
        final String name = new String(nameBytes).trim().replaceFirst("\\[\\d+\\]", "");
        uniforms.put(name, GL20.glGetUniformLocation(id, name));
    }
    // Check for errors
    LWJGLUtil.checkForGLError();
}

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From source file:ovh.tgrhavoc.gameengine.core.Shader.java

License:Open Source License

public void compileShader() {
    GL20.glLinkProgram(pointer);/*from   w  w w  .ja  v  a 2  s.c o m*/
    if (GL20.glGetProgrami(pointer, GL20.GL_LINK_STATUS) == 0) {
        System.err.println(GL20.glGetShaderInfoLog(pointer, 1024));
        System.exit(-1);
    }

    GL20.glValidateProgram(pointer);
    if (GL20.glGetProgrami(pointer, GL20.GL_VALIDATE_STATUS) == 0) {
        System.err.println(GL20.glGetShaderInfoLog(pointer, 1024));
        System.exit(-1);
    }

}

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From source file:processing.lwjgl.PGL.java

License:Open Source License

public String getProgramInfoLog(int prog) {
    int len = GL20.glGetProgrami(prog, GL20.GL_INFO_LOG_LENGTH);
    return GL20.glGetProgramInfoLog(prog, len);
}

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From source file:processing.lwjgl.PLWJGL.java

License:Open Source License

public String getProgramInfoLog(int program) {
    int len = GL20.glGetProgrami(program, GL20.GL_INFO_LOG_LENGTH);
    return GL20.glGetProgramInfoLog(program, len);
}

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