Example usage for org.lwjgl.opengl GL15 glBufferData

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL15 glBufferData.

Prototype

public static void glBufferData(@NativeType("GLenum") int target, @NativeType("void const *") double[] data,
        @NativeType("GLenum") int usage)

Source Link

Document

Array version of: #glBufferData BufferData

Usage

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

License:Apache License

/** {@inheritDoc} */
public void setVertices(float[] vertices, int offset, int count) {
    isDirty = true;/* w  ww.j  ava2 s . c om*/
    if (isDirect) {
        //            BufferUtils.copy(vertices, byteBuffer, count, offset);
        buffer.clear();
        buffer.put(vertices, offset, count);
        buffer.position(0);
        buffer.limit(count);
    } else {
        buffer.clear();
        buffer.put(vertices, offset, count);
        buffer.flip();
        byteBuffer.position(0);
        byteBuffer.limit(buffer.limit() << 2);
    }

    if (isBound) {
        GL15.glBufferData(GL15.GL_ARRAY_BUFFER, byteBuffer, usage);
        isDirty = false;
    }
}

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

License:Apache License

/** Binds this VertexBufferObject for rendering via glDrawArrays or glDrawElements
 * /*from   w ww. j a  va2 s  . c om*/
 * @param shader the shader */
public void bind(ShaderProgram shader) {

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, bufferHandle);
    if (isDirty) {
        byteBuffer.limit(buffer.limit() * 4);
        GL15.glBufferData(GL15.GL_ARRAY_BUFFER, byteBuffer, usage);
        isDirty = false;
    }

    int numAttributes = attributes.size();
    for (int i = 0; i < numAttributes; i++) {
        VertexAttribute attribute = attributes.get(i);
        shader.enableVertexAttribute(attribute.alias);
        int colorType = GL11.GL_FLOAT;
        boolean normalize = false;
        if (attribute.usage == VertexAttributes.Usage.ColorPacked) {
            colorType = GL11.GL_UNSIGNED_BYTE;
            normalize = true;
        }
        shader.setVertexAttribute(attribute.alias, attribute.numComponents, colorType, normalize,
                attributes.vertexSize, attribute.offset);
    }
    isBound = true;
}

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

License:Apache License

public void setBufferData(int vboID, ByteBuffer byteBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, byteBuffer, usage);
}

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

License:Apache License

public void setBufferData(int vboID, FloatBuffer floatBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, floatBuffer, usage);
}

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

License:Apache License

public void setBufferData(int vboID, IntBuffer intBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, intBuffer, usage);
}

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

License:Apache License

public void setBufferData(int vboID, ShortBuffer shortBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, shortBuffer, usage);
}

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

License:Apache License

public void setBufferElementData(int vboID, ByteBuffer byteBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, byteBuffer, usage);
}

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

License:Apache License

public void setBufferElementData(int vboID, IntBuffer intBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, intBuffer, usage);
}

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

License:Apache License

public void setBufferElementData(int vboID, ShortBuffer shortBuffer, int usage) {
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboID);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, shortBuffer, usage);
}

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

@Override
protected void initVertex() {
    GL30.glBindVertexArray(vao);//bind vao  

    // position        color       texCoord

    float[] data = new float[] { -0.5f, -0.5f, 0f, 1f, 1f, 1f, 0f, 0f, 0.5f, -0.5f, 0f, 1f, 1f, 1f, 1f, 0f,
            -0.5f, 0.5f, 0f, 1f, 1f, 1f, 0f, 1f, 0.5f, 0.5f, 0f, 1f, 1f, 1f, 1f, 1f };

    dataBuffer = BufferUtils.createFloatBuffer(data.length);
    dataBuffer.put(data);/* w  w w  .j  av a  2s  .com*/
    dataBuffer.flip();
    Logger.getGlobal().log(Level.SEVERE, "FloatBuffer capacity  : " + dataBuffer.capacity());

    this.vbo = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, this.vbo);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, dataBuffer, GL15.GL_STATIC_DRAW);

    this.VertexAttribPointer();

    int[] indices = { 0, 1, 2, 2, 1, 3 };
    IntBuffer indicesBuffer = BufferUtils.createIntBuffer(indices.length);
    indicesBuffer.put(indices);
    indicesBuffer.flip();
    this.ebo = GL15.glGenBuffers();
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, this.ebo);
    GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_DYNAMIC_DRAW);

    IntBuffer w = BufferUtils.createIntBuffer(1);
    IntBuffer h = BufferUtils.createIntBuffer(1);
    IntBuffer comp = BufferUtils.createIntBuffer(1);
    STBImage.stbi_set_flip_vertically_on_load(1);
    ByteBuffer image = STBImage.stbi_load("resource/3x3grid.png", w, h, comp, 0);

    int weight = w.get(0);
    int height = h.get(0);
    int compe = comp.get(0);

    Logger.getGlobal().log(Level.FINEST,
            "STBImage load status : " + weight + " " + height + " " + compe + " " + image);

    textureID = GL11.glGenTextures();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, weight, height, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, image);

    GL30.glBindVertexArray(0);//unbind vao
}