GPU/Pitfalls: Difference between revisions
m Some extra notes about alignment |
m Wording to make things more clear |
||
| Line 7: | Line 7: | ||
=== Vertex attribute alignment === | === Vertex attribute alignment === | ||
Vertex components which are defined through [[GPU/Internal_Registers#GPUREG_ATTRIBBUFFERi_CONFIG1|GPUREG_ATTRIBBUFFERi_CONFIG1]] will be aligned. | Vertex components which are defined through [[GPU/Internal_Registers#GPUREG_ATTRIBBUFFERi_CONFIG1|GPUREG_ATTRIBBUFFERi_CONFIG1]] will be accessed aligned by the GPU. | ||
* Vertex attributes will be aligned to their component element size. | * Vertex attributes will be aligned to their component element size. | ||
* Padding attributes (Component type > 11) will always aligned to 4 byte offets into the buffer. | * Padding attributes (Component type > 11) will always aligned to 4 byte offets into the buffer. | ||
* The stride should | * The stride which is passed to the GPU should be passed unaligned. | ||
=== Vertex stride in GPUREG_ATTRIBBUFFERi_CONFIG2 === | === Vertex stride in GPUREG_ATTRIBBUFFERi_CONFIG2 === | ||