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nvfx: always use M2MF instead of the blitter

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Currently we are relocating transfers to VRAM to use the blitter,
which is terrible.

Maybe for ->VRAM the blitter could be better, but we can't be
perfectly sure of that due to relocations.

In other words, just do the simple thing, and defer fine-tuning the
transfer hardware method to a later stage, while making it work
decently now.
This commit is contained in:
Luca Barbieri 2010-04-12 04:49:02 +02:00
parent 927e576284
commit aa985f339d
1 changed files with 5 additions and 10 deletions
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15
src/gallium/drivers/nvfx/nv04_surface_2d.c
View file

@ -298,16 +298,11 @@ nv04_surface_copy(struct nv04_surface_2d *ctx, struct pipe_surface *dst,
return;
}
/* NV_CONTEXT_SURFACES_2D has buffer alignment restrictions, fallback
* to NV_MEMORY_TO_MEMORY_FORMAT in this case.
*/
if ((src->offset & 63) || (dst->offset & 63) ||
(src_pitch & 63) || (dst_pitch & 63)) {
nv04_surface_copy_m2mf(ctx, dst, dx, dy, src, sx, sy, w, h);
return;
}
nv04_surface_copy_blit(ctx, dst, dx, dy, src, sx, sy, w, h);
/* Use M2MF instead of the blitter since it always works
* Any possible performance drop is likely to be not very significant
* and dwarfed anyway by the current buffer management problems
*/
nv04_surface_copy_m2mf(ctx, dst, dx, dy, src, sx, sy, w, h);
}
static void