Difference between revisions of "Bump texture FCOLLADA extension"

Latest revision as of 20:49, 10 March 2011

Extension information
Purpose: simple bump texture Company(s): Feeling Software Product(s): FCollada Last updated: July 26, 2010 Contact for technical issues:
This article is part of the COLLADA extensions directory
Adding to the extensions directory

<bump> Element

Profile: FCOLLADA

Specification Version: 1.4

Category: Effects

Introduction

Adds a simple bump texture to a COMMON profile shader.

Concepts

**Attributes**
Name	Type	Description	Required?
N/A	N/A	N/A	N/A

**Related Elements**
Affected Parent element(s)	technique
Extra and/or Technique	<extra><technique profile="FCOLLADA">
Child elements	texture
Other	blinn
	constant
	lambert
	phong

**Child Elements**
Name	Description	Default	Occurrences
N/A	N/A	N/A	N/A

Version

0.1

Details

Problem

Analysis

Solution

Schema

Example

         <extra>
           <technique profile="FCOLLADA">
             <bump>
               <texture texture="sid-of-some-param-sampler" texcoord="symbolic_name_to_bind_from_shader"/>
             </bump>
           </technique>
         </extra>

Status

Incomplete.

IP Status

Feeling Software - Unknown.

Dependencies

This extension applies to COLLADA 1.4. This extension does not depend on any other extensions.

Issues

Some concerns:

This undocumented extension has been implemented by several vendors over the past several years.

Parsing Errors

Version 1.4 Error Handling

None known.

Version 1.5 Error Handling

N/A.

@@ Line 7: / Line 7: @@
-==<morph_weights> Element==
+==<bump> Element==
 :'''Profile: FCOLLADA'''
 :'''Specification Version:''' 1.4
@@ Line 80: / Line 80: @@
              <technique profile="FCOLLADA">
                <bump>
-                 <texture texture="sid-of-some-param-sampler" texcoord="CHANNEL1"/>
+                 <texture texture="sid-of-some-param-sampler" texcoord="symbolic_name_to_bind_from_shader"/>
                </bump>
              </technique>