void AppendPass(ShaderPassType pass, RenderPipeline rp)
{
using (Scope("Pass")) {
// Name & LightMode
bool isLegacyMainRenderPass = rp == RenderPipeline.Legacy && pass == ShaderPassType.Render;
if (isLegacyMainRenderPass == false)
{
(string passName, string lightMode) = pass.NameAndLightMode(rp);
AppendLine($"Name \"{passName}\"");
AppendLine("Tags { " + (ShaderTag)("LightMode", lightMode) + " }");
}
using (Scope("Stencil")) {
AppendLine("Comp [_StencilComp]");
AppendLine("Pass [_StencilOpPass]");
AppendLine("Ref [_StencilID]");
AppendLine("ReadMask [_StencilReadMask]");
AppendLine("WriteMask [_StencilWriteMask]");
}
// culling/blend mode
if (pass == ShaderPassType.Render)
{
AppendLines(blendMode.GetPassRenderStates());
}
else
{
AppendLine("Cull Off"); // todo: might be incorrect for DepthOnly
}
// hlsl program
AppendHlslProgram(pass, rp);
}
}
public ShaderBuilder(string name, ShapesBlendMode blendMode)
{
this.blendMode = blendMode;
this.shaderName = name;
using (Scope($"Shader \"Shapes/{name} {blendMode.ToString()}\"")) {
using (Scope("SubShader")) {
using (Scope("Tags")) // sub shader tags
AppendLines(blendMode.GetSubshaderTags());
using (Scope("Pass")) { // render pass
AppendLines(blendMode.GetPassRenderStates());
AppendCGPROGRAM(ShaderPassType.Render);
}
using (Scope("Pass")) { // picking pass
AppendLine("Name \"Picking\"");
AppendLine("Tags { \"LightMode\" = \"Picking\" }");
AppendLine("Cull Off");
AppendCGPROGRAM(ShaderPassType.Picking);
}
using (Scope("Pass")) { // selection pass
AppendLine("Name \"Selection\"");
AppendLine("Tags { \"LightMode\" = \"SceneSelectionPass\" }");
AppendLine("Cull Off");
AppendCGPROGRAM(ShaderPassType.Selection);
}
}
}
}