/// <summary>
/// Initializes a new instance of the <see cref="CustomCompositor"/> class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <param name="window">The window with which this compositor is associated.</param>
public CustomCompositor(UltravioletContext uv, IUltravioletWindow window)
: base(uv, window)
{
rtScene = RenderTarget2D.Create(BufferWidth, BufferHeight);
rtSceneColor = RenderBuffer2D.Create(RenderBufferFormat.Color, BufferWidth, BufferHeight);
rtScene.Attach(rtSceneColor);
rtSceneDepthStencil = RenderBuffer2D.Create(RenderBufferFormat.Depth24Stencil8, BufferWidth, BufferHeight);
rtScene.Attach(rtSceneDepthStencil);
rtInterface = RenderTarget2D.Create(BufferWidth, BufferHeight);
rtInterfaceColor = RenderBuffer2D.Create(RenderBufferFormat.Color, BufferWidth, BufferHeight);
rtInterface.Attach(rtInterfaceColor);
rtInterfaceDepthStencil = RenderBuffer2D.Create(RenderBufferFormat.Depth24Stencil8, BufferWidth, BufferHeight);
rtInterface.Attach(rtInterfaceDepthStencil);
rtComposition = RenderTarget2D.Create(BufferWidth, BufferHeight, RenderTargetUsage.PreserveContents);
rtCompositionColor = RenderBuffer2D.Create(RenderBufferFormat.Color, BufferWidth, BufferHeight);
rtComposition.Attach(rtCompositionColor);
rtCompositionDepthStencil = RenderBuffer2D.Create(RenderBufferFormat.Depth24Stencil8, BufferWidth, BufferHeight);
rtComposition.Attach(rtCompositionDepthStencil);
spriteBatch = SpriteBatch.Create();
}
/// <inheritdoc/>
public override void Attach(RenderBuffer2D buffer)
{
Contract.Require(buffer, nameof(buffer));
Contract.Ensure <ArgumentException>(
buffer.Width == width &&
buffer.Height == height, OpenGLStrings.RenderBufferIsWrongSize);
Contract.EnsureNotDisposed(this, Disposed);
Ultraviolet.ValidateResource(buffer);
var oglBuffer = (OpenGLRenderBuffer2D)buffer;
Ultraviolet.QueueWorkItem(state =>
{
using (OpenGLState.ScopedBindFramebuffer(framebuffer))
{
AttachRenderBuffer(oglBuffer);
framebufferStatus = gl.CheckNamedFramebufferStatus(framebuffer, gl.GL_FRAMEBUFFER);
gl.ThrowIfError();
}
}).Wait();
oglBuffer.MarkAttached();
buffers.Add(oglBuffer);
}
/// <inheritdoc/>
protected override void OnLoadingContent()
{
var window = Ultraviolet.GetPlatform().Windows.GetPrimary();
if (!headless)
{
// HACK: AMD drivers produce weird rasterization artifacts when rendering
// to a NPOT render buffer??? So we have to fix it with this stupid hack???
var width = MathUtil.FindNextPowerOfTwo(window.ClientSize.Width);
var height = MathUtil.FindNextPowerOfTwo(window.ClientSize.Height);
rtargetColorBuffer = RenderBuffer2D.Create(RenderBufferFormat.Color, width, height);
rtargetDepthStencilBuffer = RenderBuffer2D.Create(RenderBufferFormat.Depth24Stencil8, width, height);
rtarget = RenderTarget2D.Create(width, height);
rtarget.Attach(rtargetColorBuffer);
rtarget.Attach(rtargetDepthStencilBuffer);
}
if (loader != null)
{
content = ContentManager.Create("Content");
loader(content);
}
base.OnLoadingContent();
}
/// <inheritdoc/>
protected override void OnLoadingContent()
{
this.content = ContentManager.Create("Content");
LoadContentManifests(this.content);
LoadLocalizationDatabases(this.content);
this.spriteBatch = SpriteBatch.Create();
// A render target is composed of one or more render buffers. Each render buffer represents a particular
// output channel from a pixel shader, such as color or depth.
this.rbufferColor = RenderBuffer2D.Create(RenderBufferFormat.Color, 256, 256);
this.rbufferDepth = RenderBuffer2D.Create(RenderBufferFormat.Depth16, 256, 256);
this.rtarget = RenderTarget2D.Create(256, 256);
// Render buffers must be explicitly attached to a render target before they can be used.
this.rtarget.Attach(this.rbufferColor);
this.rtarget.Attach(this.rbufferDepth);
base.OnLoadingContent();
}
/// <summary>
/// Initializes a new instance of the <see cref="OutOfBandRenderTarget"/> class.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
internal OutOfBandRenderTarget(UltravioletContext uv)
: base(uv)
{
renderTarget = RenderTarget2D.Create(1, 1);
colorBuffer = RenderBuffer2D.Create(RenderBufferFormat.Color, 1, 1, RenderBufferOptions.None);
renderTarget.Attach(colorBuffer);
if (uv.GetGraphics().Capabilities.SupportsDepthStencilTextures)
{
depthBuffer = RenderBuffer2D.Create(RenderBufferFormat.Depth24Stencil8, 1, 1, RenderBufferOptions.WillNotBeSampled);
renderTarget.Attach(depthBuffer);
}
else
{
depthBuffer = RenderBuffer2D.Create(RenderBufferFormat.Depth16, 1, 1, RenderBufferOptions.WillNotBeSampled);
renderTarget.Attach(depthBuffer);
stencilBuffer = RenderBuffer2D.Create(RenderBufferFormat.Stencil8, 1, 1, RenderBufferOptions.WillNotBeSampled);
renderTarget.Attach(stencilBuffer);
}
}
