28 lines
637 B
Plaintext
28 lines
637 B
Plaintext
|
gltf model rendering:
|
||
|
|
|
||
|
|
AssetFile::DrawModel (program):
|
||
|
|
|
||
|
|
* loop over all scene nodes
|
||
|
|
* call DrawNode()
|
||
|
|
* assembles matrix for the node
|
||
|
|
- either via mat44
|
||
|
|
- or assemble mat44 from SRT
|
||
|
|
* if have mesh
|
||
|
|
call DrawMesh()
|
||
|
|
* loop over all primitives
|
||
|
|
* gather primitive attributes
|
||
|
|
- get dimension
|
||
|
|
- get attribute type (position, normal, texcoord)
|
||
|
|
- get stride
|
||
|
|
- set attribute pointer
|
||
|
|
- enable attribute
|
||
|
|
* get accessor
|
||
|
|
* bind buffer using accessor
|
||
|
|
* get primitive mode
|
||
|
|
* draw array using primitive mode and accessor
|
||
|
|
* disable attributes
|
||
|
|
|
||
|
|
* if children
|
||
|
|
recurse DrawNode()
|
||
|
|
|