Source/System/NodeCores/Groups/Light/Shadow/Engines/OSGShaderShadowMapEngine.fcd

   1 <?xml version="1.0" ?>
   2
   3 <FieldContainer
   4    name="ShaderShadowMapEngine"
   5    parent="ShadowMapEngine"
   6    library="Group"
   7    structure="concrete"
   8    pointerfieldtypes="both"
   9    systemcomponent="true"
  10    parentsystemcomponent="true"
  11    isNodeCore="false"
  12    docGroupBase="GrpGroupLightShadowEngines"
  13    >
  14   <Field
  15      name="shadowVertexProgram"
  16      category="pointer"
  17      type="ShaderProgram"
  18      cardinality="single"
  19      visibility="external"
  20      defaultValue="NULL"
  21      access="public"
  22      >
  23     Vertex program snippet to perform necessary calculations for shadow map
  24     lookup. Currently not used.
  25   </Field>
  26   <Field
  27      name="shadowFragmentProgram"
  28      category="pointer"
  29      type="ShaderProgram"
  30      cardinality="single"
  31      visibility="external"
  32      defaultValue="NULL"
  33      access="public"
  34      >
  35     Fragment program snippet to perform shadow map lookup.
  36     Contains a function vec4 OSG_SSME_FP_calcShadow(vec4 fragPos) that returns
  37     a shadow factor for the fragment with eye coordinate positoin fragPos.
  38   </Field>
  39   <Field
  40      name="forceTextureUnit"
  41      type="Int32"
  42      cardinality="single"
  43      visibility="external"
  44      defaultValue="-1"
  45      access="public"
  46      >
  47     Texture unit to use for the shadow texture (this is passed to the shader
  48     snippets).
  49   </Field>
  50   <Field
  51      name="shadowNear"
  52      type="Real32"
  53      category="data"
  54      cardinality="single"
  55      visibility="external"
  56      defaultValue="0.f"
  57      access="public"
  58      >
  59     Near clipping plane value to use when rendering the shadow map.
  60     Only used when not 0.f.
  61   </Field>
  62   <Field
  63      name="shadowFar"
  64      type="Real32"
  65      category="data"
  66      cardinality="single"
  67      visibility="external"
  68      defaultValue="0.f"
  69      access="public"
  70      >
  71     Far clipping plane value to use when rendering the shadow map.
  72     Only used when not 0.f.
  73   </Field>
  74 </FieldContainer>