void AddMacrosForRenderingPass(MyRenderPassType pass, ref List <ShaderMacro> macros)
{
if (pass == MyRenderPassType.GBuffer)
{
macros.AddRange(new ShaderMacro[]
{
new ShaderMacro("RENDERING_PASS", 0),
new ShaderMacro("USE_SIMPLE_INSTANCING", null),
new ShaderMacro("USE_SIMPLE_INSTANCING_COLORING", null),
});
}
else if (pass == MyRenderPassType.Depth)
{
macros.AddRange(new ShaderMacro[]
{
new ShaderMacro("RENDERING_PASS", 1),
new ShaderMacro("USE_SIMPLE_INSTANCING", null),
});
}
else if (pass == MyRenderPassType.Highlight)
{
macros.AddRange(new ShaderMacro[]
{
new ShaderMacro("RENDERING_PASS", 3),
});
}
else
{
MyRenderProxy.Error("Unknown render pass type");
}
}
MyVertexInputComponent[] GetVertexInputComponents(MyRenderPassType pass)
{
if (pass == MyRenderPassType.GBuffer)
{
List <MyVertexInputComponent> listGBuffer = new List <MyVertexInputComponent>();
listGBuffer.Add(new MyVertexInputComponent(MyVertexInputComponentType.POSITION_PACKED));
listGBuffer.Add(new MyVertexInputComponent(MyVertexInputComponentType.NORMAL, 1));
listGBuffer.Add(new MyVertexInputComponent(MyVertexInputComponentType.TANGENT_SIGN_OF_BITANGENT, 1));
listGBuffer.Add(new MyVertexInputComponent(MyVertexInputComponentType.TEXCOORD0_H, 1));
listGBuffer.Add(new MyVertexInputComponent(MyVertexInputComponentType.SIMPLE_INSTANCE, 2, MyVertexInputComponentFreq.PER_INSTANCE));
listGBuffer.Add(new MyVertexInputComponent(MyVertexInputComponentType.SIMPLE_INSTANCE_COLORING, 2, MyVertexInputComponentFreq.PER_INSTANCE));
return(listGBuffer.ToArray());
}
else if (pass == MyRenderPassType.Depth)
{
List <MyVertexInputComponent> listDepth = new List <MyVertexInputComponent>();
listDepth.Add(new MyVertexInputComponent(MyVertexInputComponentType.POSITION_PACKED));
listDepth.Add(new MyVertexInputComponent(MyVertexInputComponentType.SIMPLE_INSTANCE, 2, MyVertexInputComponentFreq.PER_INSTANCE));
return(listDepth.ToArray());
}
else if (pass == MyRenderPassType.Highlight)
{
List <MyVertexInputComponent> listHighlight = new List <MyVertexInputComponent>();
listHighlight.Add(new MyVertexInputComponent(MyVertexInputComponentType.POSITION_PACKED));
listHighlight.Add(new MyVertexInputComponent(MyVertexInputComponentType.NORMAL, 1));
listHighlight.Add(new MyVertexInputComponent(MyVertexInputComponentType.TANGENT_SIGN_OF_BITANGENT, 1));
listHighlight.Add(new MyVertexInputComponent(MyVertexInputComponentType.TEXCOORD0_H, 1));
return(listHighlight.ToArray());
}
MyRenderProxy.Error("Unknown pass");
return(null);
}
string GetPsDebugName(MyRenderPassType pass, MyMeshDrawTechnique technique, List <ShaderMacro> macros)
{
StringBuilder builder = new StringBuilder();
builder.Append("GeoPsNew_");
AddDebugNameSuffix(ref builder, pass, technique, macros);
return(builder.ToString());
}
public MyShaderBundle GetShaderBundle(MyRenderPassType pass, MyMeshDrawTechnique technique, MyInstanceLodState state, bool isCm, bool isNg, bool isExt)
{
// Modify input:
switch (technique)
{
case MyMeshDrawTechnique.DECAL:
case MyMeshDrawTechnique.DECAL_CUTOUT:
case MyMeshDrawTechnique.DECAL_NOPREMULT:
break;
default:
isCm = true;
isNg = true;
isExt = true;
break;
}
MyShaderBundleKey key = new MyShaderBundleKey
{
Pass = pass,
Technique = technique,
IsCm = isCm,
IsNg = isNg,
IsExt = isExt,
State = state,
};
if (m_cache.ContainsKey(key))
{
return(m_cache[key]);
}
MyVertexInputComponent[] viComps = GetVertexInputComponents(pass);
VertexLayoutId vl = MyVertexLayouts.GetLayout(viComps);
string vsFilepath = GetShaderDirpath(technique) + "Vertex.hlsl";
string psFilepath = GetShaderDirpath(technique) + "Pixel.hlsl";
List <ShaderMacro> macros = new List <ShaderMacro>();
AddMacrosForRenderingPass(pass, ref macros);
AddMacrosForTechnique(technique, isCm, isNg, isExt, ref macros);
AddMacrosVertexInputComponents(viComps, ref macros);
AddMacrosState(state, ref macros);
VertexShaderId vs = MyShaders.CreateVs(vsFilepath, macros.ToArray());
((VertexShader)vs).DebugName = GetVsDebugName(pass, technique, macros);
PixelShaderId ps = MyShaders.CreatePs(psFilepath, macros.ToArray());
((PixelShader)ps).DebugName = GetPsDebugName(pass, technique, macros);;
InputLayoutId il = MyShaders.CreateIL(vs.BytecodeId, vl);
MyShaderBundle shaderBundle = new MyShaderBundle(ps, vs, il);
m_cache.Add(key, shaderBundle);
return(shaderBundle);
}
void AddDebugNameSuffix(ref StringBuilder builder, MyRenderPassType pass, MyMeshDrawTechnique technique, List <ShaderMacro> macros)
{
builder.Append(pass);
builder.Append("_");
builder.Append(technique);
builder.Append("_");
foreach (var macro in macros)
{
if (string.IsNullOrEmpty(macro.Definition))
{
builder.Append(macro.Name);
}
else
{
builder.Append(macro.Name);
builder.Append("=");
builder.Append(macro.Definition);
}
builder.Append(";");
}
}