List of glBufferData() Examples

Examples of glBufferData()

com.badlogic.gdx.graphics.GL11.glBufferData()
com.badlogic.gdx.graphics.GL20.glBufferData()
javax.media.opengl.GL.glBufferData()
Entry point (through function pointer) to C language function:
void {@native glBufferData}(GLenum target, ptrdiff_t size, const GLvoid * data, GLenum usage);
javax.media.opengl.GL2.glBufferData()
javax.microedition.khronos.opengles.GL11.glBufferData()
Creates and initializes the data store of a buffer object. glBufferData lets you create and initialize the data store of a buffer object.
If data is non-null, then the source data is copied to the buffer object�s data store. If data is null, then the contents of the buffer object�s data store are undefined.
The options for usage are:
- GL_STATIC_DRAW
- GL_DYNAMIC_DRAW
glBufferData deletes any existing data store, and sets the values of the buffer object�s state variables thus:
GL_BUFFER_SIZE initialized to size.
GL_BUFFER_USAGE initialized to usage.
GL_BUFFER_ACCESS initialized to GL_WRITE_ONLY.
Clients must align data elements consistent with the requirements of the client platform, with an additional base-level requirement that an offset within a buffer to a datum comprising N basic machine units be a multiple of N.
Notes

usage is provided as a performance hint only. The specified usage value does not constrain the actual usage pattern of the data store.
Errors

GL_INVALID_ENUM is generated if target is not one of the allowable values.
GL_INVALID_ENUM is generated if usage is not one of the allowable values.
GL_OUT_OF_MEMORY is generated if the GL is unable to create a data store of the requested size. @param target Specifies the buffer object target, which must beGL_ARRAY_BUFFER or GL_ELEMENT_ARRAY_BUFFER. @param size Specifies the size of the data store in basic machineunits. @param data Specifies the source data in client memory. @param usage Specifies the expected application usage pattern ofthe data store. Accepted values are GL_STATIC_DRAW and GL_DYNAMIC_DRAW. @exception IllegalArgumentException if data isnon-null but is not a direct buffer.

Examples of javax.media.opengl.GL.glBufferData()

   */
  public static void updateColorVBO(PApplet pa, FloatBuffer colorBuffer, int vertexCount, int vboName){
    GL gl =((PGraphicsOpenGL)pa.g).gl;
      gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboName); // Bind The Buffer
      // Load The Data
      gl.glBufferData(GL.GL_ARRAY_BUFFER, vertexCount * 4 * BufferUtil.SIZEOF_FLOAT, colorBuffer, GL.GL_STATIC_DRAW);
      //Unbind VBOs 
      gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
      gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, 0);
  }

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Examples of javax.media.opengl.GL.glBufferData()

    int[] vboStrokeColor = new int[1];// stroke Coordinate VBO Name
    GL gl =((PGraphicsOpenGL)pa.g).gl;
      gl.glGenBuffers(1, vboStrokeColor, 0);  // Get A Valid Name
      gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboStrokeColor[0]); // Bind The Buffer
      // Load The Data
      gl.glBufferData(GL.GL_ARRAY_BUFFER,vertexCount * 4 * BufferUtil.SIZEOF_FLOAT, strokeColBuffer, GL.GL_STATIC_DRAW);
      //Unbind VBOs 
      gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
      gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, 0);
    return vboStrokeColor[0];
  }

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Examples of javax.media.opengl.GL.glBufferData()

   */
  public static void updateStrokeColorVBO(PApplet pa, FloatBuffer strokeColBuffer, int vertexCount, int vboName){
    GL gl =((PGraphicsOpenGL)pa.g).gl;
      gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vboName); // Bind The Buffer
      // Load The Data
      gl.glBufferData(GL.GL_ARRAY_BUFFER,vertexCount * 4 * BufferUtil.SIZEOF_FLOAT, strokeColBuffer, GL.GL_STATIC_DRAW);
      //Unbind VBOs 
      gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
      gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, 0);
  }

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Examples of javax.media.opengl.GL2.glBufferData()

            glData.rewind();


            // create and write GL buffer
            gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
                gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, id[0]);
                gl.glBufferData(GL2.GL_ARRAY_BUFFER, glData.capacity()*4, glData, GL2.GL_STATIC_DRAW);
                gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, 0);
            gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);
            gl.glFinish();

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Examples of javax.media.opengl.GL2.glBufferData()

    //        gl.glBufferData(GL2.GL_ELEMENT_ARRAY_BUFFER, ib.capacity() * SIZEOF_INT, ib, GL2.GL_STATIC_DRAW);
    //        gl.glBindBuffer(GL2.GL_ELEMENT_ARRAY_BUFFER, 0);


            gl.glEnableClientState(GL2.GL_VERTEX_ARRAY);
                gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, glObjects[VERTICES]);
                gl.glBufferData(GL2.GL_ARRAY_BUFFER, BUFFER_SIZE, null, GL2.GL_DYNAMIC_DRAW);
                gl.glBindBuffer(GL2.GL_ARRAY_BUFFER, 0);
            gl.glDisableClientState(GL2.GL_VERTEX_ARRAY);


            pushPerspectiveView(gl);
            gl.glFinish();

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Examples of javax.microedition.khronos.opengles.GL11.glBufferData()

        _buffers = new int[2];


        final GL11 gl = (GL11) g;
        gl.glGenBuffers(2, _buffers, 0);
        gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, _buffers[0]);
        gl.glBufferData(GL11.GL_ARRAY_BUFFER, _verticesSize + _normalsSize
                + _texcoordsSize, vertices, GL11.GL_STATIC_DRAW);
        gl.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, _buffers[1]);
        gl.glBufferData(GL11.GL_ELEMENT_ARRAY_BUFFER, _indicesSize, indices,
                GL11.GL_STATIC_DRAW);
        gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);

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Examples of javax.microedition.khronos.opengles.GL11.glBufferData()

        gl.glGenBuffers(2, _buffers, 0);
        gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, _buffers[0]);
        gl.glBufferData(GL11.GL_ARRAY_BUFFER, _verticesSize + _normalsSize
                + _texcoordsSize, vertices, GL11.GL_STATIC_DRAW);
        gl.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, _buffers[1]);
        gl.glBufferData(GL11.GL_ELEMENT_ARRAY_BUFFER, _indicesSize, indices,
                GL11.GL_STATIC_DRAW);
        gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);
        gl.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, 0);
    }

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Examples of glBufferData()

Notes

Errors

Examples of javax.media.opengl.GL.glBufferData()

Examples of javax.media.opengl.GL.glBufferData()

Examples of javax.media.opengl.GL.glBufferData()

Examples of javax.media.opengl.GL2.glBufferData()

Examples of javax.media.opengl.GL2.glBufferData()

Examples of javax.microedition.khronos.opengles.GL11.glBufferData()

Examples of javax.microedition.khronos.opengles.GL11.glBufferData()