private void Draw2D([NotNull] RenderDrawContext context, [NotNull] RenderBackground renderBackground)
{
var target = context.CommandList.RenderTarget;
var graphicsDevice = context.GraphicsDevice;
var destination = new RectangleF(0, 0, 1, 1);
var texture = renderBackground.Texture;
var textureIsLoading = texture.ViewType == ViewType.Full && texture.FullQualitySize.Width != texture.ViewWidth;
var textureSize = textureIsLoading ? texture.FullQualitySize : new Size3(texture.ViewWidth, texture.ViewHeight, texture.ViewDepth);
var imageBufferMinRatio = Math.Min(textureSize.Width / (float)target.ViewWidth, textureSize.Height / (float)target.ViewHeight);
var sourceSize = new Vector2(target.ViewWidth * imageBufferMinRatio, target.ViewHeight * imageBufferMinRatio);
var source = new RectangleF((textureSize.Width - sourceSize.X) / 2, (textureSize.Height - sourceSize.Y) / 2, sourceSize.X, sourceSize.Y);
if (textureIsLoading)
{
var verticalRatio = texture.ViewHeight / (float)textureSize.Height;
var horizontalRatio = texture.ViewWidth / (float)textureSize.Width;
source.X *= horizontalRatio;
source.Width *= horizontalRatio;
source.Y *= verticalRatio;
source.Height *= verticalRatio;
}
// Setup the effect depending on the type of texture
if (renderBackground.Texture.ViewDimension == TextureDimension.Texture2D)
{
background2DEffect.UpdateEffect(graphicsDevice);
spriteBatch.Begin(context.GraphicsContext, SpriteSortMode.FrontToBack, BlendStates.Opaque, graphicsDevice.SamplerStates.LinearClamp, DepthStencilStates.DepthRead, null, background2DEffect);
}
else if (renderBackground.Texture.ViewDimension == TextureDimension.TextureCube)
{
backgroundCubemapEffect.UpdateEffect(graphicsDevice);
spriteBatch.Begin(context.GraphicsContext, SpriteSortMode.FrontToBack, BlendStates.Opaque, graphicsDevice.SamplerStates.LinearClamp, DepthStencilStates.DepthRead, null, backgroundCubemapEffect);
spriteBatch.Parameters.Set(BackgroundCubemapShaderKeys.Cubemap, renderBackground.Texture);
}
else
{
return; // not supported for the moment.
}
spriteBatch.Parameters.Set(BackgroundShaderKeys.Intensity, renderBackground.Intensity);
spriteBatch.Draw(texture, destination, source, Color.White, 0, Vector2.Zero, layerDepth: -0.5f);
spriteBatch.End();
}
private void Draw3D([NotNull] RenderDrawContext context, [NotNull] RenderView renderView, [NotNull] RenderBackground renderBackground)
{
var graphicsDevice = context.GraphicsDevice;
var destination = new RectangleF(0, 0, 1, 1);
var texture = renderBackground.Texture;
// Setup the effect depending on the type of texture
if (renderBackground.Texture.ViewDimension == TextureDimension.Texture2D)
{
if (renderBackground.IsHorizon)
{
skyboxTextureHorizonEffect.UpdateEffect(graphicsDevice);
spriteBatch.Begin(context.GraphicsContext, SpriteSortMode.FrontToBack, BlendStates.Opaque, null, DepthStencilStates.DepthRead, null, skyboxTextureHorizonEffect);
spriteBatch.Parameters.Set(SkyboxShaderTextureHorizonKeys.Texture, renderBackground.Texture);
spriteBatch.Parameters.Set(SkyboxShaderTextureHorizonKeys.AlphaColor, renderBackground.FullAlpha);
spriteBatch.Parameters.Set(SkyboxShaderTextureHorizonKeys.ZeroColor, renderBackground.ZeroAlpha);
}
else
{
skyboxTextureEffect.UpdateEffect(graphicsDevice);
spriteBatch.Begin(context.GraphicsContext, SpriteSortMode.FrontToBack, BlendStates.Opaque, null, DepthStencilStates.DepthRead, null, skyboxTextureEffect);
spriteBatch.Parameters.Set(SkyboxShaderTextureKeys.Texture, renderBackground.Texture);
}
}
else if (renderBackground.Texture.ViewDimension == TextureDimension.TextureCube)
{
skyboxCubemapEffect.UpdateEffect(graphicsDevice);
spriteBatch.Begin(context.GraphicsContext, SpriteSortMode.FrontToBack, BlendStates.Opaque, null, DepthStencilStates.DepthRead, null, skyboxCubemapEffect);
spriteBatch.Parameters.Set(SkyboxShaderCubemapKeys.CubeMap, renderBackground.Texture);
}
else
{
return; // not supported for the moment.
}
spriteBatch.Parameters.Set(SkyboxShaderBaseKeys.Intensity, renderBackground.Intensity);
spriteBatch.Parameters.Set(SkyboxShaderBaseKeys.ViewInverse, Matrix.Invert(renderView.View));
spriteBatch.Parameters.Set(SkyboxShaderBaseKeys.ProjectionInverse, Matrix.Invert(renderView.Projection));
spriteBatch.Parameters.Set(SkyboxShaderBaseKeys.SkyMatrix, Matrix.Invert(Matrix.RotationQuaternion(renderBackground.Rotation)));
spriteBatch.Draw(texture, destination, null, Color.White, 0, Vector2.Zero, layerDepth: -0.5f);
spriteBatch.End();
}