public void PurgeDrawManager()
{
graphicsDevice = null;
SpriteBatch = null;
blendStates.Clear();
depthEnableStencilState = null;
depthDisableStencilState = null;
effectStack.Clear();
PrimitiveEffect = null;
AlphaTestEffect = null;
defaultEffect = null;
currentEffect = null;
currentRenderTarget = null;
quadsBuffer = null;
quadsIndexBuffer = null;
currentTexture = null;
quadsVertices = null;
quadsIndices = null;
TmpVertices.Clear();
}
void CheckQuadsVertexBuffer(int capacity)
{
if (quadsBuffer == null || quadsBuffer.Capacity < capacity)
{
capacity = Math.Max(capacity, DefaultQuadBufferSize);
if (quadsBuffer == null)
{
quadsBuffer = new CCQuadVertexBuffer(capacity, CCBufferUsage.WriteOnly);
}
else
{
quadsBuffer.Capacity = capacity;
}
}
}
public CCTextureAtlas(CCTexture2D texture, int capacity)
{
Texture = texture;
// Re-initialization is not allowed
Debug.Assert(Quads == null);
if (capacity < 4)
{
capacity = 4;
}
vertexBuffer = new CCQuadVertexBuffer(capacity, CCBufferUsage.WriteOnly);
Quads = vertexBuffer.Data;
Dirty = true;
}
