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 <l.st...@pengutronix.de>
Reviewed-by: Wladimir J. van der Laan <laa...@gmail.com>
---
src/gallium/drivers/etnaviv/etnaviv_clear_blit.c | 27 ++++++++++++++++++++++++
src/gallium/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 8030450dd1b0..971403c45476 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.c
@@ -727,6 +727,33 @@ 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)
{
pctx->clear = etna_clear;
diff --git a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
index 73d07044b2b3..9bba6236b4db 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_clear_blit.h
@@ -43,6 +43,11 @@ 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);
#endif
--
2.11.0
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