Example usage for org.lwjgl.opengl GL20 glUniformMatrix4fv

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glUniformMatrix4fv.

Prototype

public static void glUniformMatrix4fv(@NativeType("GLint") int location,
        @NativeType("GLboolean") boolean transpose, @NativeType("GLfloat const *") float[] value) 

Source Link

Document

Array version of: #glUniformMatrix4fv UniformMatrix4fv

Usage

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

@Override
protected void initUniformValues() {
    this.bind();//from w w w  . j  av a2 s  .  c  om
    if (x != -1 && y != -1) {
        modelID = GL20.glGetUniformLocation(this.getProgramID(), "model");
        x_calc = 0;
        y_calc = 0;
        if (x == 0)
            y_calc = 0.3f;
        if (x == 1)
            y_calc = 0;
        if (x == 2)
            y_calc = -0.3f;
        if (y == 0)
            x_calc = -0.3f;
        if (y == 1)
            x_calc = 0f;
        if (y == 2)
            x_calc = 0.3f;

        Matrix4F m = Matrix4F.ratio(0.10f, 0.10f, 0.10f).nhanMaTran(Matrix4F.rotateOX(90))
                .nhanMaTran(Matrix4F.move(x_calc, y_calc, -0.0005f));
        GL20.glUniformMatrix4fv(modelID, false, m.toFloatBuffer());
    } else {
        modelID = GL20.glGetUniformLocation(this.getProgramID(), "model");
        Matrix4F m = new Matrix4F();
        GL20.glUniformMatrix4fv(modelID, false, m.toFloatBuffer());
    }

    viewID = GL20.glGetUniformLocation(this.getProgramID(), "view");
    Matrix4F v = new Matrix4F();
    GL20.glUniformMatrix4fv(viewID, false, v.toFloatBuffer());

    projectionID = GL20.glGetUniformLocation(this.getProgramID(), "projection");
    Matrix4F p = new Matrix4F();

    GL20.glUniformMatrix4fv(projectionID, false, p.toFloatBuffer());

    this.unbind();
}

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

@Override
public void setModelMatrix(Matrix4F m) {
    this.bind();//from  w w w .j a  v  a  2 s. co  m
    Matrix4F m2 = Matrix4F.ratio(0.10f, 0.10f, 0.10f).nhanMaTran(Matrix4F.rotateOX(90))
            .nhanMaTran(Matrix4F.move(x_calc, y_calc, -0.0005f)).nhanMaTran(m);
    GL20.glUniformMatrix4fv(modelID, false, m2.toFloatBuffer());
    this.unbind();
}

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

License:Open Source License

/**
 * Is called automatically, this method is used to update the specified shader's View Matrix, if need be.
 * @param shader The {@link wrath.client.graphics.ShaderProgram} to update.
 *///from w  w w  .ja  v a2 s .c  om
public void updateViewMatrix(ShaderProgram shader) {
    GL20.glUseProgram(shader.getProgramID());
    if (updateMat) {
        ClientUtils.createViewMatrix(this).store(matrixBuf);
        matrixBuf.flip();
        updateMat = false;
    }
    GL20.glUniformMatrix4fv(shader.getUniformVariableLocation("viewMatrix"), false, matrixBuf);
}

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

License:Open Source License

/**
 * Changes the shader's projection matrix to the one specified.
 * This will only work with the 3D shader!
 * @param value The {@link org.lwjgl.util.vector.Matrix4f} object containing the shader projection data.
 *//*from   www. java  2 s. co m*/
public void setProjectionMatrix(Matrix4f value) {
    GL20.glUseProgram(programID);
    FloatBuffer pbuf = BufferUtils.createFloatBuffer(16);
    value.store(pbuf);
    pbuf.flip();
    GL20.glUniformMatrix4fv(getUniformVariableLocation("projectionMatrix"), false, pbuf);
}

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

License:Open Source License

/**
 * Changes the shader's transformation matrix to the one specified.
 * @param value The {@link org.lwjgl.util.vector.Matrix4f} object containing the shader transformation data.
 *//*  w  ww. ja  v  a 2  s. co m*/
public void setTransformationMatrix(Matrix4f value) {
    GL20.glUseProgram(programID);
    value.store(matrixBuf);
    matrixBuf.flip();
    GL20.glUniformMatrix4fv(getUniformVariableLocation("transformationMatrix"), false, matrixBuf);
}

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

License:Open Source License

/**
 * Sets the value of a uniform variable in the shader.
 * @param location The integer id of the Uniform variable.
 * @param value The value to set./*w  w  w  .ja va  2  s  .  c o m*/
 */
public void setUniformVariable(int location, Matrix4f value) {
    GL20.glUseProgram(programID);
    value.store(matrixBuf);
    matrixBuf.flip();
    GL20.glUniformMatrix4fv(location, false, matrixBuf);
}

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