From 69eb93cbb9bc544272300796b6f8d7c8c7502575 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 6 Sep 2017 14:28:21 +0200 Subject: [PATCH] etnaviv: add resource subregion copy This is useful if we only need to copy part of a larger resource, mostly when using the RS engine to de-/tile on pipe transfers. Signed-off-by: Lucas Stach Reviewed-By: Wladimir J. van der Laan --- .../drivers/etnaviv/etnaviv_clear_blit.c | 27 +++++++++++++++++++ .../drivers/etnaviv/etnaviv_clear_blit.h | 5 ++++ 2 files changed, 32 insertions(+) diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c index 237c35a22ae..c85ada92669 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c +++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c @@ -726,6 +726,33 @@ etna_copy_resource(struct pipe_context *pctx, struct pipe_resource *dst, } } +void +etna_copy_resource_box(struct pipe_context *pctx, struct pipe_resource *dst, + struct pipe_resource *src, int level, + struct pipe_box *box) +{ + assert(src->format == dst->format); + assert(src->array_size == dst->array_size); + + struct pipe_blit_info blit = {}; + blit.mask = util_format_get_mask(dst->format); + blit.filter = PIPE_TEX_FILTER_NEAREST; + blit.src.resource = src; + blit.src.format = src->format; + blit.src.box = *box; + blit.dst.resource = dst; + blit.dst.format = dst->format; + blit.dst.box = *box; + + blit.dst.box.depth = blit.src.box.depth = 1; + blit.src.level = blit.dst.level = level; + + for (int layer = 0; layer < dst->array_size; layer++) { + blit.src.box.z = blit.dst.box.z = layer; + pctx->blit(pctx, &blit); + } +} + void etna_clear_blit_init(struct pipe_context *pctx) { diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h index 73d07044b2b..9bba6236b4d 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h +++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h @@ -42,6 +42,11 @@ void etna_copy_resource(struct pipe_context *pctx, struct pipe_resource *dst, struct pipe_resource *src, int first_level, int last_level); +void +etna_copy_resource_box(struct pipe_context *pctx, struct pipe_resource *dst, + struct pipe_resource *src, int level, + struct pipe_box *box); + void etna_clear_blit_init(struct pipe_context *pctx); -- 2.30.2