private void createBuffers()
{
int numVertices = mVertexData.getNumVertices();
int numIndices = (int)(mIndexData.getLength());
AsContext3D context = AsStarling.getContext();
if (mVertexBuffer != null)
{
mVertexBuffer.dispose();
}
if (mIndexBuffer != null)
{
mIndexBuffer.dispose();
}
if (numVertices == 0)
{
return;
}
if (context == null)
{
throw new AsMissingContextError();
}
mVertexBuffer = context.createVertexBuffer(numVertices, AsVertexData.ELEMENTS_PER_VERTEX);
mVertexBuffer.uploadFromVector(mVertexData.getRawData(), 0, numVertices);
mIndexBuffer = context.createIndexBuffer(numIndices);
mIndexBuffer.uploadFromVector(mIndexData, 0, numIndices);
mSyncRequired = false;
}
private void updateBuffers(AsContext3D context, AsRectangle bounds)
{
mVertexData.setPosition(0, bounds.x, bounds.y);
mVertexData.setPosition(1, bounds.getRight(), bounds.y);
mVertexData.setPosition(2, bounds.x, bounds.getBottom());
mVertexData.setPosition(3, bounds.getRight(), bounds.getBottom());
if (mVertexBuffer == null)
{
mVertexBuffer = context.createVertexBuffer(4, AsVertexData.ELEMENTS_PER_VERTEX);
mIndexBuffer = context.createIndexBuffer(6);
mIndexBuffer.uploadFromVector(mIndexData, 0, 6);
}
mVertexBuffer.uploadFromVector(mVertexData.getRawData(), 0, 4);
}