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// set to depth pass BaseContainer & data = depthPass-> GetDataInstanceRef (); data. SetInt32 ( MULTIPASSOBJECT_TYPE , VPBUFFER_DEPTH );

// insert renderData-> InsertMultipass (depthPass); renderData-> 消息 ( MSG_UPDATE ); }

// enable multi-passes renderData-> SetParameter ( DescID ( RDATA_MULTIPASS_ENABLE ), true , DESCFLAGS_SET::NONE );

Access

Existing MultipassObject elements are stored in a list and can be accessed from a RenderData object:

• RenderData::GetFirstMultipass() : Returns the first MultipassObject element.

Allocation/Deallocation

The MultipassObject class does not offer a static "Alloc" or "Free" function so the functions of BaseList2D have to be used with Zmultipass .

• BaseList2D::Alloc() : Can be used to create a new MultipassObject 对象。
• BaseList2D::Free() : Can be used to delete the given MultipassObject 对象。

A newly created MultipassObject is added to the render settings by adding it to the RenderData object:

• RenderData::InsertMultipass() : inserts a MultipassObject element into the list.

// set to depth pass BaseContainer & data = depthPass-> GetDataInstanceRef (); data. SetInt32 ( MULTIPASSOBJECT_TYPE , VPBUFFER_DEPTH );

// insert renderData-> InsertMultipass (depthPass);

Navigate

MultipassObject objects are organized in a list:

• MultipassObject::GetNext() : Returns the next MultipassObject in the list.
• MultipassObject::GetPred() : Returns the previous MultipassObject in the list.

类型

All multipasses are MultipassObject objects. They only differ in their parameters. The type of a multipass is defined with:

• MULTIPASSOBJECT_TYPE : The type of the multipass.

Simple multipass types are:

• VPBUFFER_RGBA : RGB and alpha multipass channel.
• VPBUFFER_AMBIENT : Ambient multipass channel.
• VPBUFFER_DIFFUSE : Diffuse multipass channel.
• VPBUFFER_SHADOW : Shadow multipass channel.
• VPBUFFER_TRANSPARENCY : Transparency multipass channel.
• VPBUFFER_RADIOSITY : Radiosity multipass channel.
• VPBUFFER_CAUSTICS : Caustics multipass channel.
• VPBUFFER_ATMOSPHERE : Atmosphere multipass channel.
• VPBUFFER_ATMOSPHERE_MUL : Atmosphere (multiply) multipass channel.
• VPBUFFER_DEPTH : Depth multipass channel.
• VPBUFFER_MAT_COLOR : 材质 color multipass channel.
• VPBUFFER_MAT_DIFFUSION : 材质 diffusion multipass channel.
• VPBUFFER_MAT_LUMINANCE : 材质 luminance multipass channel.
• VPBUFFER_MAT_TRANSPARENCY : 材质 transparency multipass channel.
• VPBUFFER_MAT_REFLECTION : 材质 reflection multipass channel.
• VPBUFFER_MAT_ENVIRONMENT : 材质 environment multipass channel.
• VPBUFFER_MAT_SPECULAR : 材质 specular multipass channel.
• VPBUFFER_MAT_SPECULARCOLOR : 材质 specular color multipass channel.
• VPBUFFER_ILLUMINATION : Illumination multipass channel.
• VPBUFFER_AMBIENTOCCLUSION : Ambient occlusion channel.
• VPBUFFER_MAT_NORMAL : 材质 normal channel.
• VPBUFFER_MAT_UV : 材质 UV channel.
• VPBUFFER_MOTIONVECTOR : Motion vector channel.
• VPBUFFER_SAMPLER : Sampler channel.
• VPBUFFER_ALPHA : Alpha multipass channel (for SDK request only).

Configurable multipass types are:

• VPBUFFER_OBJECTBUFFER : Object buffer multipass channel.
• VPBUFFER_BLEND : Blend multipass channel.
• VPBUFFER_REFLECTION : Reflection multipass channel.
• VPBUFFER_SPECULAR : Specular multipass channel.

The parameter IDs of configurable multipasses are defined in zmultipass.h .

Additional multipass types are:

• VPBUFFER_ALLPOSTEFFECTS : All post effects channel. Use this to create the "Post Effects" multipass needed to support custom multipasses created by VideoPostData plugins.
• VPBUFFER_IMAGEBUILDING_PASS : The maximum number of the image building layers. This can be used to loop through the multipass types.

Example object buffer:

Example blend channel:

Example reflection channel:

Example specular channel:

延伸阅读

• Scene Data Overview
• BaseDocument Manual
• RenderData Manual