Files
Xune/UIX.RenderApi.Skia/Microsoft/Iris/Render/Graphics/Dx9EffectBuilder.cs
T

377 lines
14 KiB
C#

// Decompiled with JetBrains decompiler
// Type: Microsoft.Iris.Render.Graphics.Dx9EffectBuilder
// 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;
using Microsoft.Iris.Render.Internal;
using System.IO;
using System.Text;
namespace Microsoft.Iris.Render.Graphics
{
internal class Dx9EffectBuilder
{
private string m_stPixelOutput;
private StringBuilder m_sbPixelShader;
private StringBuilder m_sbVertexShader;
private StringBuilder m_sbDeclarations;
private StringBuilder m_sbEffect;
private Vector<VariableInfo> m_alPropertyVariables;
private int m_nUniqueVariableID;
private Vector<Dx9TextureInfo> m_alTextureInfos;
private Vector<VariableInfo> m_alGlobalVariables;
private Vector<string> m_alIncludes;
private int m_cMaxSimultaneousTextures;
private int m_cMaxRenderTargets;
private int m_nRequirements;
internal Dx9EffectBuilder(GraphicsCaps caps)
{
this.m_cMaxSimultaneousTextures = caps.MaxSimultaneousTextures;
this.m_cMaxRenderTargets = caps.AvailableRenderTargets;
}
internal void EmitPixelFragment(string stData)
{
if (this.m_sbPixelShader == null)
this.m_sbPixelShader = new StringBuilder(128);
this.m_sbPixelShader.Append(stData);
}
internal void EmitEffectFragment(string stData)
{
if (this.m_sbEffect == null)
this.m_sbEffect = new StringBuilder(512);
this.m_sbEffect.Append(stData);
}
internal void EmitIncludesFragment(string stData)
{
if (this.m_alIncludes == null)
this.m_alIncludes = new Vector<string>();
if (this.m_alIncludes.Contains(stData))
return;
this.m_alIncludes.Add(stData);
}
internal string GenerateGlobalConstant(Dx9VariableType typeProperty, string stName) => this.GenerateVariableName(VariableScope.Const, typeProperty, stName);
internal string GenerateLocalVariable(Dx9VariableType typeProperty, string stName) => this.GenerateVariableName(VariableScope.Local, typeProperty, stName);
internal string GenerateGlobalVariable(Dx9VariableType typeProperty, string stName) => this.GenerateVariableName(VariableScope.Global, typeProperty, stName);
internal void AddPropertyVariable(VariableInfo variableInfo)
{
if (this.m_alPropertyVariables == null)
this.m_alPropertyVariables = new Vector<VariableInfo>();
this.m_alPropertyVariables.Add(variableInfo);
}
internal void AddGlobalVariable(VariableInfo variableInfo)
{
if (this.m_alGlobalVariables == null)
this.m_alGlobalVariables = new Vector<VariableInfo>();
this.m_alGlobalVariables.Add(variableInfo);
}
private string GenerateVariableName(
VariableScope scope,
Dx9VariableType typeProperty,
string stName)
{
StringBuilder stringBuilder = new StringBuilder(32);
switch (scope)
{
case VariableScope.Global:
stringBuilder.Append("g_");
break;
case VariableScope.Const:
stringBuilder.Append("k_");
break;
}
switch (typeProperty)
{
case Dx9VariableType.Integer:
stringBuilder.Append("n");
break;
case Dx9VariableType.Float:
stringBuilder.Append("fl");
break;
case Dx9VariableType.Vector2:
case Dx9VariableType.Vector3:
case Dx9VariableType.Vector4:
stringBuilder.Append("v");
break;
case Dx9VariableType.Texture:
stringBuilder.Append("tex");
break;
}
if (stName != null)
{
if (stName.Length > 15)
stName = stName.Substring(0, 15);
stringBuilder.Append(stName);
}
else
stringBuilder.Append("Temp");
return stringBuilder.ToString() + (object) this.m_nUniqueVariableID++;
}
internal void Clear()
{
this.m_stPixelOutput = (string) null;
this.m_nUniqueVariableID = 0;
this.m_nRequirements = 0;
this.m_sbPixelShader = (StringBuilder) null;
this.m_sbVertexShader = (StringBuilder) null;
this.m_sbDeclarations = (StringBuilder) null;
this.m_sbEffect = (StringBuilder) null;
if (this.m_alPropertyVariables != null)
this.m_alPropertyVariables.Clear();
if (this.m_alGlobalVariables != null)
this.m_alGlobalVariables.Clear();
if (this.m_alTextureInfos != null)
this.m_alTextureInfos.Clear();
if (this.m_alIncludes == null)
return;
this.m_alIncludes.Clear();
}
internal string ConvertToString(Dx9VariableType type)
{
switch (type)
{
case Dx9VariableType.Integer:
return "int";
case Dx9VariableType.Float:
return "float";
case Dx9VariableType.Vector2:
return "float2";
case Dx9VariableType.Vector3:
return "float3";
case Dx9VariableType.Vector4:
return "float4";
case Dx9VariableType.Texture:
return "texture";
default:
return "";
}
}
internal string ConvertToString(FilterMode mode)
{
switch (mode)
{
case FilterMode.Point:
return "Point";
case FilterMode.Linear:
return "Linear";
default:
return "";
}
}
internal bool Validate() => this.ImageCount <= this.m_cMaxSimultaneousTextures && this.GetRenderTargetCount() <= this.m_cMaxRenderTargets;
internal Dx9TextureInfo AllocateTexture()
{
Dx9TextureInfo dx9TextureInfo = new Dx9TextureInfo()
{
ImageIndex = this.ImageCount
};
dx9TextureInfo.TexCoordInput = InvariantString.Format("{0}{1}", (object) "vTexCoord", (object) dx9TextureInfo.ImageIndex);
dx9TextureInfo.Sampler = InvariantString.Format("{0}{1}", (object) "Sampler", (object) dx9TextureInfo.ImageIndex);
dx9TextureInfo.DownsamplePropertyID = -1;
if (this.m_alTextureInfos == null)
this.m_alTextureInfos = new Vector<Dx9TextureInfo>();
this.m_alTextureInfos.Add(dx9TextureInfo);
return dx9TextureInfo;
}
internal void AddRequirement(
Dx9TextureInfo textureInfo,
Dx9TextureRequirements type,
object oValue)
{
textureInfo.Requirements |= (int) type;
switch (type)
{
case Dx9TextureRequirements.TexelSize:
if (textureInfo.TexelSize != null)
break;
string stName1 = InvariantString.Format("{0}{1}", (object) "TexelSize", (object) textureInfo.ImageIndex);
VariableInfo variableInfo1 = new VariableInfo()
{
IsDynamic = true,
ID = -1,
Type = Dx9VariableType.Vector2
};
variableInfo1.Name = this.GenerateGlobalVariable(variableInfo1.Type, stName1);
variableInfo1.DefaultValue = (object) new Vector2(0.0f, 0.0f);
this.AddGlobalVariable(variableInfo1);
textureInfo.TexelSize = variableInfo1.Name;
break;
case Dx9TextureRequirements.SampleBackbuffer:
textureInfo.DownsamplePropertyID = (int) oValue;
break;
case Dx9TextureRequirements.TexUVSize:
if (textureInfo.TexUVSize != null)
break;
string stName2 = InvariantString.Format("{0}{1}", (object) "TexUVSize", (object) textureInfo.ImageIndex);
VariableInfo variableInfo2 = new VariableInfo()
{
IsDynamic = true,
ID = -1,
Type = Dx9VariableType.Vector2
};
variableInfo2.Name = this.GenerateGlobalVariable(variableInfo2.Type, stName2);
variableInfo2.DefaultValue = (object) new Vector2(0.0f, 0.0f);
this.AddGlobalVariable(variableInfo2);
textureInfo.TexUVSize = variableInfo2.Name;
break;
case Dx9TextureRequirements.TexUVRefPoint:
if (textureInfo.TexUVRefPoint != null)
break;
string stName3 = InvariantString.Format("{0}{1}", (object) "TexUVRefPoint", (object) textureInfo.ImageIndex);
VariableInfo variableInfo3 = new VariableInfo()
{
IsDynamic = true,
ID = -1,
Type = Dx9VariableType.Vector2
};
variableInfo3.Name = this.GenerateGlobalVariable(variableInfo3.Type, stName3);
variableInfo3.DefaultValue = (object) new Vector2(0.0f, 0.0f);
this.AddGlobalVariable(variableInfo3);
textureInfo.TexUVRefPoint = variableInfo3.Name;
break;
}
}
internal void AddRequirement(EffectRequirements requirement) => Bits.SetFlag(ref this.m_nRequirements, (int) requirement);
internal Dx9TextureInfo GetTextureInfo(int idxTexture) => this.m_alTextureInfos[idxTexture];
internal string PixelShaderOutput
{
get => this.m_stPixelOutput;
set => this.m_stPixelOutput = value;
}
internal string ShaderDeclarations => this.GenerateDeclarations();
internal string IncludesFragment
{
get
{
if (this.m_alIncludes == null)
return "";
StringBuilder stringBuilder = new StringBuilder();
for (int index = 0; index < this.m_alIncludes.Count; ++index)
stringBuilder.AppendFormat("#include {0}\r\n", (object) this.m_alIncludes[index]);
return stringBuilder.ToString();
}
}
internal string PixelShader => this.GeneratePixelShader();
internal string VertexShader => this.GenerateVertexShader();
internal Vector<VariableInfo> PropertyVariables => this.m_alPropertyVariables;
internal Vector<VariableInfo> GlobalVariables => this.m_alGlobalVariables;
internal string EffectDefinition => this.m_sbEffect.ToString();
internal int ImageCount => this.m_alTextureInfos == null ? 0 : this.m_alTextureInfos.Count;
internal Vector<Dx9TextureInfo> TextureInfoList => this.m_alTextureInfos;
internal void SaveEffect(string stFilename)
{
StreamWriter streamWriter = new StreamWriter(stFilename);
streamWriter.WriteLine(this.m_sbEffect.ToString());
streamWriter.Close();
}
private string GenerateDeclarations()
{
if (this.m_sbDeclarations == null)
this.m_sbDeclarations = new StringBuilder(128);
if (this.m_sbDeclarations.Length == 0)
{
this.m_sbDeclarations.Append("struct PS_OUTPUT\r\n{\r\n float4 Color : COLOR; // Object space position\r\n};\r\n\r\n");
this.m_sbDeclarations.Append("struct VS_INPUT\r\n{\r\n float4 ObjPos : POSITION; // Object space position\r\n float4 Color : COLOR; // Vertex color\r\n");
for (int index = 0; index < this.ImageCount; ++index)
this.m_sbDeclarations.AppendFormat(" float2 TexCoord{0} : TEXCOORD{0}; // Texture {0} UV coordinates\r\n", (object) index);
this.m_sbDeclarations.Append("};\r\n\r\n");
this.m_sbDeclarations.Append("struct VS_OUTPUT\r\n{\r\n float4 ProjPos : POSITION; // Projected space position\r\n float4 Color : COLOR; // Vertex color\r\n");
if (Bits.TestFlag(this.m_nRequirements, 1))
this.m_sbDeclarations.Append(" float3 ViewPos : TEXCOORD5; // View space position\r\n");
for (int index = 0; index < this.ImageCount; ++index)
{
if (Bits.TestFlag(this.m_alTextureInfos[index].Requirements, 16))
this.m_sbDeclarations.AppendFormat(" float3 TexCoord{0} : TEXCOORD{0}; // Texture {0} UVW coordinates\r\n", (object) index);
else
this.m_sbDeclarations.AppendFormat(" float2 TexCoord{0} : TEXCOORD{0}; // Texture {0} UV coordinates\r\n", (object) index);
}
this.m_sbDeclarations.Append("};\r\n\r\n");
}
return this.m_sbDeclarations.ToString();
}
private string GenerateVertexShader()
{
if (this.m_sbVertexShader == null)
this.m_sbVertexShader = new StringBuilder(128);
if (this.m_sbVertexShader.Length == 0)
{
this.m_sbVertexShader.Append(" //\r\n // Compute the accumulated WVP matrix. If the separate matrices are not referenced\r\n // by effect elements, the D3DX preshader will combine these on the CPU and set the\r\n // result via VS constants.\r\n //\r\n\r\n float4x4 matAccumulated = mul(g_matWorldView, g_matProjection);\r\n\r\n\r\n //\r\n // Setup the resulting device vertex.\r\n //\r\n\r\n Output.ProjPos = mul(Input.ObjPos, matAccumulated);\r\n Output.Color = Input.Color;\r\n");
if (Bits.TestFlag(this.m_nRequirements, 1))
this.m_sbVertexShader.Append(" Output.ViewPos = mul(Input.ObjPos, g_matWorldView);\r\n");
for (int index = 0; index < this.ImageCount; ++index)
{
if (Bits.TestFlag(this.m_alTextureInfos[index].Requirements, 16))
this.m_sbVertexShader.AppendFormat(" Output.TexCoord{0} = float3(Input.TexCoord{0}.x * Output.ProjPos.w, Input.TexCoord{0}.y * Output.ProjPos.w, Output.ProjPos.w);\r\n", (object) index);
else
this.m_sbVertexShader.AppendFormat(" Output.TexCoord{0} = Input.TexCoord{0};\r\n", (object) index);
}
}
return this.m_sbVertexShader.ToString();
}
private string GeneratePixelShader()
{
StringBuilder stringBuilder = new StringBuilder(128);
for (int index = 0; index < this.ImageCount; ++index)
{
Dx9TextureInfo alTextureInfo = this.m_alTextureInfos[index];
if (Bits.TestFlag(alTextureInfo.Requirements, 16))
stringBuilder.AppendFormat(" float2 {0} = Input.TexCoord{1}.xy / Input.TexCoord{1}.z;\r\n", (object) alTextureInfo.TexCoordInput, (object) index);
else
stringBuilder.AppendFormat(" float2 {0} = Input.TexCoord{1};\r\n", (object) alTextureInfo.TexCoordInput, (object) index);
}
stringBuilder.Append("\r\n");
stringBuilder.Append(this.m_sbPixelShader.ToString());
return stringBuilder.ToString();
}
private int GetRenderTargetCount()
{
if (this.m_alTextureInfos == null)
return 0;
int num = 0;
foreach (Dx9TextureInfo alTextureInfo in this.m_alTextureInfos)
{
if ((alTextureInfo.Requirements & 2) > 0)
{
++num;
break;
}
}
return num;
}
}
}