public static void FreeRenderTarget(RenderTargetAsset Asset)
{
if (Asset != null)
{
Asset.InUse = false;
}
}
public override void SetupBrush(FrameworkElement parent, ref PositionColoredTextured[] verts, float zOrder, bool adaptVertsToBrushTexture)
{
base.SetupBrush(parent, ref verts, zOrder, adaptVertsToBrushTexture);
_visualTexture = ContentManager.Instance.GetRenderTexture(_renderTextureKey);
_visualSurface = ContentManager.Instance.GetRenderTarget(_renderSurfaceKey);
_screen = parent.Screen;
PrepareVisual();
}
public override void BeginRender()
{
// Remember current backbuffer and set internal surface as new render target.
_backbuffer = GraphicsDevice.Device.GetRenderTarget(0);
_renderTarget = ContentManager.Instance.GetRenderTarget(GLOBAL_RENDER_SURFACE_ASSET_KEY);
_renderTarget.AllocateRenderTarget(GraphicsDevice.Width, GraphicsDevice.Height);
_renderRect = new Rectangle(0, 0, GraphicsDevice.Width, GraphicsDevice.Height);
GraphicsDevice.Device.SetRenderTarget(0, _renderTarget.Surface);
GraphicsDevice.RenderPass = RenderPassType.SingleOrFirstPass;
GraphicsDevice.Device.Clear(ClearFlags.Target, Color.Black, 1.0f, 0);
GraphicsDevice.Device.BeginScene();
}
public override void BeginRender()
{
// Remember current backbuffer and set internal surface as new render target.
_backbuffer = GraphicsDevice.Device.GetRenderTarget(0);
_renderTarget = ContentManager.Instance.GetRenderTarget(GLOBAL_RENDER_SURFACE_ASSET_KEY);
_renderTarget.AllocateRenderTarget(GraphicsDevice.Width, GraphicsDevice.Height);
_renderRect = new Rectangle(0, 0, GraphicsDevice.Width, GraphicsDevice.Height);
GraphicsDevice.Device.SetRenderTarget(0, _renderTarget.Surface);
GraphicsDevice.RenderPass = RenderPassType.SingleOrFirstPass;
GraphicsDevice.Device.Clear(ClearFlags.Target, Color.Black, 1.0f, 0);
GraphicsDevice.Device.BeginScene();
}
/// <summary>
/// Renders the <see cref="FrameworkElement"/> to the given <paramref name="renderTarget"/>. This method works with
/// surfaces that are created as render target, which do support multisampling.
/// </summary>
/// <param name="renderTarget">Render target.</param>
/// <param name="renderContext">Render context.</param>
public void RenderToSurface(RenderTargetAsset renderTarget, RenderContext renderContext)
{
RenderToSurfaceInternal(renderTarget.Surface, renderContext);
}
public override void SetupBrush(FrameworkElement parent, ref PositionColoredTextured[] verts, float zOrder, bool adaptVertsToBrushTexture)
{
base.SetupBrush(parent, ref verts, zOrder, adaptVertsToBrushTexture);
_visualTexture = ContentManager.Instance.GetRenderTexture(_renderTextureKey);
_visualSurface = ContentManager.Instance.GetRenderTarget(_renderSurfaceKey);
_screen = parent.Screen;
PrepareVisual();
}
public void RenderToSurface(RenderTargetAsset renderTarget, RenderContext renderContext)
{
// We do the following here:
// 1. Set the transformation matrix to match the render surface's size
// 2. Set the rendertarget to the given surface
// 3. Clear the surface with an alpha value of 0
// 4. Render the control (into the surface)
// 5. Restore the rendertarget to the backbuffer
// 6. Restore previous transformation matrix
// Set transformation matrix
Matrix? oldTransform = null;
if (renderTarget.Width != GraphicsDevice.Width || renderTarget.Height != GraphicsDevice.Height)
{
oldTransform = GraphicsDevice.FinalTransform;
GraphicsDevice.SetCameraProjection(renderTarget.Width, renderTarget.Height);
}
// Get the current backbuffer
using (Surface backBuffer = GraphicsDevice.Device.GetRenderTarget(0))
{
// Change the rendertarget to the render texture
GraphicsDevice.Device.SetRenderTarget(0, renderTarget.Surface);
// Fill the background of the texture with an alpha value of 0
GraphicsDevice.Device.Clear(ClearFlags.Target, Color.FromArgb(0, Color.Black), 1.0f, 0);
// Render the control into the given texture
DoRender(renderContext);
// Restore the backbuffer
GraphicsDevice.Device.SetRenderTarget(0, backBuffer);
}
// Restore standard transformation matrix
if (oldTransform.HasValue)
GraphicsDevice.FinalTransform = oldTransform.Value;
}