Example usage for org.lwjgl.opengl GL30 glBindVertexArray

List of usage examples for org.lwjgl.opengl GL30 glBindVertexArray

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL30 glBindVertexArray.

Prototype

public static void glBindVertexArray(@NativeType("GLuint") int array)

Source Link

Document

Binds a vertex array object

Usage

From source file:com.voxelplugineering.voxelsniper.render.buffer.BufferManager.java

License:Open Source License

public void destroy() {
    GL30.glBindVertexArray(vaoId);
    GL20.glDisableVertexAttribArray(0);//from   w  ww.  j av  a  2  s  . c o m
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);

    for (BufferSection b : this.sections) {
        b.destroy();
    }

    GL30.glBindVertexArray(0);
    GL30.glDeleteVertexArrays(vaoId);
}

From source file:com.voxelplugineering.voxelsniper.render.buffer.BufferManager.java

License:Open Source License

public void renderSections() {
    GL30.glBindVertexArray(vaoId);
    GL20.glEnableVertexAttribArray(0);/* www  .  ja  v a  2 s  .  c  om*/
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    for (BufferSection b : this.sections) {
        b.draw();
    }

    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL30.glBindVertexArray(0);
}

From source file:com.voxelplugineering.voxelsniper.render.buffer.BufferSection.java

License:Open Source License

public void create(int vaoId) {
    build();//from w  w  w .  ja  v  a 2 s  . c  o m

    GL30.glBindVertexArray(vaoId);

    // Create a new Vertex Buffer Object in memory and select it (bind)
    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, verticesFloatBuffer, GL15.GL_STREAM_DRAW);

    // Put the position coordinates in attribute list 0
    GL20.glVertexAttribPointer(0, RenderingConstants.POSITION_ELEMENT_COUNT, GL11.GL_FLOAT, false,
            RenderingConstants.STRIDE, RenderingConstants.POSITION_BYTE_OFFSET);
    // Put the color components in attribute list 1
    GL20.glVertexAttribPointer(1, RenderingConstants.COLOUR_ELEMENT_COUNT, GL11.GL_FLOAT, false,
            RenderingConstants.STRIDE, RenderingConstants.COLOUR_BYTE_OFFSET);
    // Put the texture coordinates in attribute list 2
    GL20.glVertexAttribPointer(2, RenderingConstants.TEXTURE_ELEMENT_COUNT, GL11.GL_FLOAT, false,
            RenderingConstants.STRIDE, RenderingConstants.TEXTURE_BYTE_OFFSET);

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    // Deselect (bind to 0) the VAO
    GL30.glBindVertexArray(0);

    // Create a new VBO for the indices and select it (bind) - INDICES
    vboiId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}

From source file:com.xrbpowered.gl.res.shaders.FeedbackVertices.java

License:Open Source License

public FeedbackVertices(Shader transformShader, Shader renderShader, int count, boolean createIndices) {
    this.transformShader = transformShader;
    this.renderShader = renderShader;
    this.countElements = count;
    vertexBuffer = BufferUtils.createByteBuffer(count * transformShader.info.getStride()).asFloatBuffer();
    feedbackBuffer = BufferUtils.createByteBuffer(count * renderShader.info.getStride()).asFloatBuffer();

    vaoId = GL30.glGenVertexArrays();/*  www.j a  v  a  2 s  .c o  m*/
    GL30.glBindVertexArray(vaoId);

    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, count * transformShader.info.getStride(), GL15.GL_DYNAMIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    vboFeedbackId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboFeedbackId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, count * renderShader.info.getStride(), GL15.GL_DYNAMIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

    GL30.glBindVertexArray(0);

    if (createIndices) {
        indexBuffer = BufferUtils.createByteBuffer(count * 4).asIntBuffer();

        vboiId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, count * 4, GL15.GL_DYNAMIC_DRAW);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    }
    Client.checkError();
}

From source file:com.xrbpowered.gl.res.shaders.FeedbackVertices.java

License:Open Source License

public void transform() {
    GL30.glBindVertexArray(vaoId);
    GL11.glEnable(GL30.GL_RASTERIZER_DISCARD);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);

    transformShader.use();/*from  w w w.  j  a v  a 2 s  . c om*/
    transformShader.info.initAttribPointers();
    transformShader.info.enableAttribs();

    GL30.glBindBufferBase(GL30.GL_TRANSFORM_FEEDBACK_BUFFER, 0, vboFeedbackId);
    GL30.glBeginTransformFeedback(GL11.GL_POINTS);
    GL11.glDrawArrays(GL11.GL_POINTS, 0, countElements);
    GL30.glEndTransformFeedback();

    transformShader.info.disableAttribs();
    transformShader.unuse();
    GL11.glDisable(GL30.GL_RASTERIZER_DISCARD);
}

From source file:com.xrbpowered.gl.res.shaders.FeedbackVertices.java

License:Open Source License

public void draw() {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboFeedbackId);
    renderShader.use();/*from w  w w  . j a va  2 s.  co  m*/
    renderShader.info.enableAttribs();
    renderShader.info.initAttribPointers();

    if (vboiId != GL11.GL_INVALID_VALUE) {
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL11.glDrawElements(GL11.GL_POINTS, countElements, GL11.GL_UNSIGNED_INT, 0);
    } else {
        GL11.glDrawArrays(GL11.GL_POINTS, 0, countElements);
    }

    renderShader.info.disableAttribs();
    renderShader.unuse();
    GL30.glBindVertexArray(0);
}

From source file:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

private void create(VertexInfo info, FloatBuffer vertexBuffer, ShortBuffer indexBuffer, int countElements,
        int verticesPerElement, boolean dynamic) {
    this.countElements = countElements;
    this.drawMode = getDrawMode(verticesPerElement);
    int usage = dynamic ? GL15.GL_DYNAMIC_DRAW : GL15.GL_STATIC_DRAW;

    vaoId = GL30.glGenVertexArrays();//from ww w . ja va2  s.co  m
    GL30.glBindVertexArray(vaoId);

    vboId = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboId);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, vertexBuffer, usage);

    this.countAttribs = info.getAttributeCount();
    info.initAttribPointers();

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL30.glBindVertexArray(0);

    if (indexBuffer != null) {
        vboiId = GL15.glGenBuffers();
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
        GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indexBuffer, usage);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    }
}

From source file:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

public void bindVAO() {
    GL30.glBindVertexArray(vaoId);
}

From source file:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

public void unbindVAO() {
    GL30.glBindVertexArray(0);
}

From source file:com.xrbpowered.gl.res.StaticMesh.java

License:Open Source License

public void enableDraw(int[] attribMask) {
    GL30.glBindVertexArray(vaoId);
    if (attribMask == null) {
        for (int i = 0; i < countAttribs; i++)
            GL20.glEnableVertexAttribArray(i);
    } else {//w  w w  .j ava2  s  .com
        for (int i = 0; i < attribMask.length; i++)
            GL20.glEnableVertexAttribArray(attribMask[i]);
    }
}