Xune/UIX.RenderApi.Skia/Microsoft/Iris/Render/Graphics/Dx9DestinationElement.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.Iris.Render.Graphics.Dx9DestinationElement
// Assembly: UIX.RenderApi, Version=4.8.0.0, Culture=neutral, PublicKeyToken=ddd0da4d3e678217
// MVID: D47658B8-A8EA-43D6-8837-ECE823BFFFC1
// Assembly location: C:\Program Files\Zune\UIX.RenderApi.dll

using Microsoft.Iris.Library;

namespace Microsoft.Iris.Render.Graphics
{
  internal class Dx9DestinationElement
  {
    internal static void Generate(
      DestinationElement efiDestination,
      ref Dx9EffectBuilder effectBuilder)
    {
      Dx9TextureInfo textureInfo = effectBuilder.AllocateTexture();
      effectBuilder.AddRequirement(textureInfo, Dx9TextureRequirements.SampleBackbuffer, (object) (int) efiDestination.DownsampleID);
      effectBuilder.AddRequirement(textureInfo, Dx9TextureRequirements.DisablePerspectiveCorrection, (object) null);
      effectBuilder.AddRequirement(textureInfo, Dx9TextureRequirements.TexelSize, (object) null);
      TextureVariableInfo textureVariableInfo = new TextureVariableInfo();
      textureVariableInfo.ID = (int) efiDestination.DestinationID;
      textureVariableInfo.Type = Dx9VariableType.Texture;
      textureVariableInfo.Name = effectBuilder.GenerateGlobalVariable(textureVariableInfo.Type, efiDestination.Name);
      textureVariableInfo.DefaultValue = (object) null;
      textureVariableInfo.SamplerName = textureInfo.Sampler;
      textureVariableInfo.MinFilter = "Linear";
      textureVariableInfo.MagFilter = "Linear";
      textureVariableInfo.CoordinateMapID = -1;
      textureVariableInfo.ImageIndexID = -1;
      effectBuilder.AddPropertyVariable((VariableInfo) textureVariableInfo);
      effectBuilder.AddPropertyVariable(new VariableInfo()
      {
        ID = (int) efiDestination.DownsampleID,
        Type = Dx9VariableType.Float,
        IsDynamic = efiDestination.IsDynamicProperty("Downsample"),
        Name = (string) null,
        DefaultValue = (object) efiDestination.Downsample
      });
      VariableInfo variableInfo = new VariableInfo()
      {
        ID = (int) efiDestination.UVOffsetID,
        Type = Dx9VariableType.Vector2,
        IsDynamic = efiDestination.IsDynamicProperty("UVOffset")
      };
      variableInfo.Name = variableInfo.IsDynamic ? effectBuilder.GenerateGlobalVariable(variableInfo.Type, "UVOffset") : effectBuilder.GenerateGlobalConstant(variableInfo.Type, "UVOffset");
      variableInfo.DefaultValue = (object) efiDestination.UVOffset;
      effectBuilder.AddPropertyVariable(variableInfo);
      effectBuilder.PixelShaderOutput = effectBuilder.GenerateLocalVariable(Dx9VariableType.Texture, efiDestination.Name);
      if (variableInfo.IsDynamic || !efiDestination.UVOffset.IsApproximate(Vector2.Zero))
        effectBuilder.EmitPixelFragment(InvariantString.Format("    // Load the image\r\n    float4 {0} = tex2D({1}, {2} + float2({3}.x * {4}.x, {3}.y * {4}.y));\r\n\r\n", (object) effectBuilder.PixelShaderOutput, (object) textureInfo.Sampler, (object) textureInfo.TexCoordInput, (object) textureInfo.TexelSize, (object) variableInfo.Name));
      else
        effectBuilder.EmitPixelFragment(InvariantString.Format("    // Load the image\r\n    float4 {0} = tex2D({1}, {2});\r\n\r\n", (object) effectBuilder.PixelShaderOutput, (object) textureInfo.Sampler, (object) textureInfo.TexCoordInput));
    }
  }
}