diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/auxiliary/util/u_staging.c | 50 | ||||
-rw-r--r-- | src/gallium/auxiliary/util/u_staging.h | 24 |
2 files changed, 41 insertions, 33 deletions
diff --git a/src/gallium/auxiliary/util/u_staging.c b/src/gallium/auxiliary/util/u_staging.c index b569c8f9907..caef2a8245c 100644 --- a/src/gallium/auxiliary/util/u_staging.c +++ b/src/gallium/auxiliary/util/u_staging.c @@ -29,11 +29,14 @@ #include "util/u_memory.h" #include "util/u_inlines.h" + static void -util_staging_resource_template(struct pipe_resource *pt, unsigned width, unsigned height, unsigned depth, struct pipe_resource *template) +util_staging_resource_template(struct pipe_resource *pt, unsigned width, + unsigned height, unsigned depth, + struct pipe_resource *template) { memset(template, 0, sizeof(struct pipe_resource)); - if(pt->target != PIPE_BUFFER && depth <= 1) + if (pt->target != PIPE_BUFFER && depth <= 1) template->target = PIPE_TEXTURE_RECT; else template->target = pt->target; @@ -49,16 +52,15 @@ util_staging_resource_template(struct pipe_resource *pt, unsigned width, unsigne template->flags = 0; } + struct util_staging_transfer * util_staging_transfer_init(struct pipe_context *pipe, - struct pipe_resource *pt, - unsigned level, - unsigned usage, - const struct pipe_box *box, - boolean direct, struct util_staging_transfer *tx) + struct pipe_resource *pt, + unsigned level, unsigned usage, + const struct pipe_box *box, + boolean direct, struct util_staging_transfer *tx) { struct pipe_screen *pscreen = pipe->screen; - struct pipe_resource staging_resource_template; pipe_resource_reference(&tx->base.resource, pt); @@ -66,23 +68,22 @@ util_staging_transfer_init(struct pipe_context *pipe, tx->base.usage = usage; tx->base.box = *box; - if (direct) - { + if (direct) { tx->staging_resource = pt; return tx; } - util_staging_resource_template(pt, box->width, box->height, box->depth, &staging_resource_template); - tx->staging_resource = pscreen->resource_create(pscreen, &staging_resource_template); - if (!tx->staging_resource) - { + util_staging_resource_template(pt, box->width, box->height, + box->depth, &staging_resource_template); + tx->staging_resource = pscreen->resource_create(pscreen, + &staging_resource_template); + if (!tx->staging_resource) { pipe_resource_reference(&tx->base.resource, NULL); FREE(tx); return NULL; } - if (usage & PIPE_TRANSFER_READ) - { + if (usage & PIPE_TRANSFER_READ) { /* XXX this looks wrong dst is always the same but looping over src z? */ int zi; struct pipe_box sbox; @@ -92,7 +93,7 @@ util_staging_transfer_init(struct pipe_context *pipe, sbox.width = box->width; sbox.height = box->height; sbox.depth = 1; - for(zi = 0; zi < box->depth; ++zi) { + for (zi = 0; zi < box->depth; ++zi) { sbox.z = sbox.z + zi; pipe->resource_copy_region(pipe, tx->staging_resource, 0, 0, 0, 0, tx->base.resource, level, &sbox); @@ -102,14 +103,15 @@ util_staging_transfer_init(struct pipe_context *pipe, return tx; } + void -util_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *ptx) +util_staging_transfer_destroy(struct pipe_context *pipe, + struct pipe_transfer *ptx) { struct util_staging_transfer *tx = (struct util_staging_transfer *)ptx; - if (tx->staging_resource != tx->base.resource) - { - if(tx->base.usage & PIPE_TRANSFER_WRITE) { + if (tx->staging_resource != tx->base.resource) { + if (tx->base.usage & PIPE_TRANSFER_WRITE) { /* XXX this looks wrong src is always the same but looping over dst z? */ int zi; struct pipe_box sbox; @@ -119,8 +121,10 @@ util_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *p sbox.width = tx->base.box.width; sbox.height = tx->base.box.height; sbox.depth = 1; - for(zi = 0; zi < tx->base.box.depth; ++zi) - pipe->resource_copy_region(pipe, tx->base.resource, tx->base.level, tx->base.box.x, tx->base.box.y, tx->base.box.z + zi, + for (zi = 0; zi < tx->base.box.depth; ++zi) + pipe->resource_copy_region(pipe, tx->base.resource, tx->base.level, + tx->base.box.x, tx->base.box.y, + tx->base.box.z + zi, tx->staging_resource, 0, &sbox); } diff --git a/src/gallium/auxiliary/util/u_staging.h b/src/gallium/auxiliary/util/u_staging.h index ddbb33443e4..6c468aad161 100644 --- a/src/gallium/auxiliary/util/u_staging.h +++ b/src/gallium/auxiliary/util/u_staging.h @@ -42,22 +42,26 @@ struct util_staging_transfer { struct pipe_transfer base; - /* if direct, same as base.resource, otherwise the temporary staging resource */ + /* if direct, same as base.resource, otherwise the temporary staging + * resource + */ struct pipe_resource *staging_resource; }; -/* user must be stride, slice_stride and offset */ -/* pt->usage == PIPE_USAGE_DYNAMIC || pt->usage == PIPE_USAGE_STAGING should be a good value to pass for direct */ -/* staging resource is currently created with PIPE_USAGE_STAGING */ +/* user must be stride, slice_stride and offset. + * pt->usage == PIPE_USAGE_DYNAMIC || pt->usage == PIPE_USAGE_STAGING + * should be a good value to pass for direct staging resource is currently + * created with PIPE_USAGE_STAGING + */ struct util_staging_transfer * util_staging_transfer_init(struct pipe_context *pipe, - struct pipe_resource *pt, - unsigned level, - unsigned usage, - const struct pipe_box *box, - boolean direct, struct util_staging_transfer *tx); + struct pipe_resource *pt, + unsigned level, unsigned usage, + const struct pipe_box *box, + boolean direct, struct util_staging_transfer *tx); void -util_staging_transfer_destroy(struct pipe_context *pipe, struct pipe_transfer *ptx); +util_staging_transfer_destroy(struct pipe_context *pipe, + struct pipe_transfer *ptx); #endif |