qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2025-02-25 05:01:24 +00:00
Code Issues Projects Releases Packages Wiki Activity

[qfcc] Allow aligned despace allocs to be overridden

Browse source 
GLSL (and in the end, spir-v) needs more control over allocation than
does the Ruamoko VM.
This commit is contained in:
Bill Currie 2024-09-10 20:44:51 +09:00
parent 7742450e03
commit f0e770b972
2 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
tools/qfcc/include/defspace.h
View file

@ -60,6 +60,19 @@ typedef struct defspace_s {
int size; ///< current high-water mark for alloced data
int max_size; ///< size of backing memory, or highwater mark
///< for ds_virtual
/** Optional callback for aligned allocation of space
Overrides defspace_alloc_aligned_loc.
\param space This defspace.
\param size Size of space to allocate. Must be > 0.
\param alignment Requested alignment for the space. Must be > 0.
\return The offset of the allocated space. If allocation fails
(because the backing memory cannot be grown), it is
treated as an internal error.
*/
int (*alloc_aligned) (struct defspace_s *space, int size,
int alignment);
/** Grow the backing memory of the defspace.
This function is called when more memory is needed for the space.

3
tools/qfcc/source/defspace.c
View file

@ -159,6 +159,9 @@ defspace_alloc_loc (defspace_t *space, int size)
int
defspace_alloc_aligned_loc (defspace_t *space, int size, int alignment)
{
if (space->alloc_aligned) {
return space->alloc_aligned (space, size, alignment);
}
int ofs, pad;
locref_t *loc;
locref_t **l = &space->free_locs;