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8261650: Add a comment with details for MTLVC_MAX_INDEX

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Reviewed-by: jdv, avu, prr
This commit is contained in:
Ajit Ghaisas 2022-05-10 04:11:28 +00:00
parent 29395534d9
commit ace4230634
1 changed files with 8 additions and 1 deletions

9
src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLVertexCache.h

@ -30,7 +30,14 @@
#include "fontscalerdefs.h"
/**
* Constants that control the size of the vertex cache.
* The max size of the vertex cache.
*
* Note:
* This is the max number of vertices (of struct J2DVertex - 16 bytes)
* that can be accommodated in 4KB.
*
* [MTLRenderCommandEncoder setVertexBytes] expects the data size
* to be less than or equal to 4KB.
*/
#define MTLVC_MAX_INDEX 250