Пример #1
0
  public void bind() {
    GL11 gl = (GL11) glGraphics.getGL();

    gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, vboHandle);

    gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
    gl.glVertexPointer(3, GL10.GL_FLOAT, vertexSize, 0);

    if (hasColor) {
      gl.glEnableClientState(GL10.GL_COLOR_ARRAY);
      gl.glColorPointer(4, GL10.GL_FLOAT, vertexSize, 3 * 4);
    }

    if (hasTexCoords) {
      gl.glEnableClientState(GL10.GL_TEXTURE_COORD_ARRAY);
      gl.glTexCoordPointer(2, GL10.GL_FLOAT, vertexSize, (hasColor ? 7 : 3) * 4);
    }

    if (hasNormals) {
      gl.glEnableClientState(GL10.GL_NORMAL_ARRAY);
      int offset = 3;
      if (hasColor) offset += 4;
      if (hasTexCoords) offset += 2;
      gl.glNormalPointer(GL10.GL_FLOAT, vertexSize, offset * 4);
    }
  }
  public void onDrawFrame(GL10 gl10, boolean fpsTimeElapsed) {
    GL11 gl = (GL11) gl10;

    updateWithDelta(1.0f / MAXIMUM_UPDATE_RATE);

    synchronized (transforms) {
      if (fpsTimeElapsed) {
        onTransform();
      }
    }
    sourcePosition.x = x;
    sourcePosition.y = y;

    gl.glMatrixMode(GL11.GL_MODELVIEW);
    gl.glLoadIdentity();

    gl.glEnableClientState(GL11.GL_COLOR_ARRAY);

    // unbind all buffers
    gl.glBindBuffer(GL11.GL_ELEMENT_ARRAY_BUFFER, 0);
    gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);
    gl.glBindTexture(GL11.GL_TEXTURE_2D, 0);

    gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, verticesID[0]);

    // Using glBufferSubData means that a copy is done from the quads array to the buffer rather
    // than recreating the buffer which
    // would be an allocation and copy. The copy also only takes over the number of live particles.
    // This provides a nice performance
    // boost.
    quadsBuffer.put(quads);
    quadsBuffer.position(0);

    gl.glBufferSubData(GL11.GL_ARRAY_BUFFER, 0, 128 * particleIndex, quadsBuffer);

    // Configure the vertex pointer which will use the currently bound VBO for its data
    gl.glVertexPointer(2, GL11.GL_FLOAT, 32, 0);
    gl.glColorPointer(4, GL11.GL_FLOAT, 32, (4 * 4));
    gl.glTexCoordPointer(2, GL11.GL_FLOAT, 32, (4 * 2));

    if (hasTexture) {
      gl.glEnable(GL11.GL_TEXTURE_2D);
      gl.glBindTexture(GL11.GL_TEXTURE_2D, getTexture().getTextureId());
    }

    gl.glBlendFunc(srcBlendFactor, dstBlendFactor);

    gl.glDrawElements(GL11.GL_TRIANGLES, particleIndex * 6, GL11.GL_UNSIGNED_SHORT, indicesBuffer);

    gl.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);
    gl.glBlendFunc(GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);

    gl.glDisableClientState(GL11.GL_COLOR_ARRAY);
  }
 public synchronized void draw(GL11 gl) {
   super.draw(gl);
   if (fontIndexCount > 0) {
     gl.glBindTexture(GL11.GL_TEXTURE_2D, mFont.id);
     gl.glTexCoordPointer(2, GL11.GL_FLOAT, 0, mTextureBuffer);
     gl.glVertexPointer(3, GL11.GL_FLOAT, 0, mVertexBuffer);
     gl.glColorPointer(4, GL11.GL_FIXED, 0, mColorBuffer);
     mIndexBuffer.position(indStart);
     mColorBuffer.position(colorStart);
     mVertexBuffer.position(vertStart);
     mTextureBuffer.position(texStart);
     gl.glDrawElements(GL11.GL_TRIANGLES, fontIndexCount, GL11.GL_UNSIGNED_SHORT, mIndexBuffer);
   }
 }
Пример #4
0
 @Override
 public void glColorPointer(int size, int type, int stride, int pointer) {
   gl.glColorPointer(size, type, stride, pointer);
 }