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u_staging: improve interface

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This commit is contained in:
Luca Barbieri 2010-08-20 16:35:34 +02:00
parent c843a60e63
commit 3aaec4750d
2 changed files with 7 additions and 11 deletions
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10
src/gallium/auxiliary/util/u_staging.c
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@ -23,20 +23,16 @@ util_staging_resource_template(struct pipe_resource *pt, unsigned width, unsigne
} }
struct util_staging_transfer * struct util_staging_transfer *
util_staging_transfer_new(struct pipe_context *pipe, util_staging_transfer_init(struct pipe_context *pipe,
struct pipe_resource *pt, struct pipe_resource *pt,
struct pipe_subresource sr, struct pipe_subresource sr,
unsigned usage, unsigned usage,
const struct pipe_box *box, const struct pipe_box *box,
bool direct) bool direct, struct util_staging_transfer *tx)
{ {
struct pipe_screen *pscreen = pipe->screen; struct pipe_screen *pscreen = pipe->screen;
struct util_staging_transfer *tx;
struct pipe_resource staging_resource_template;
tx = CALLOC_STRUCT(util_staging_transfer); struct pipe_resource staging_resource_template;
if (!tx)
return NULL;
pipe_resource_reference(&tx->base.resource, pt); pipe_resource_reference(&tx->base.resource, pt);
tx->base.sr = sr; tx->base.sr = sr;

8
src/gallium/auxiliary/util/u_staging.h
View file

@ -21,15 +21,15 @@ struct util_staging_transfer {
}; };
/* user must be stride, slice_stride and offset */ /* user must be stride, slice_stride and offset */
/* pt->usage == PIPE_USAGE_DYNAMIC should be a good value to pass for direct */ /* 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_DYNAMIC */ /* staging resource is currently created with PIPE_USAGE_STAGING */
struct util_staging_transfer * struct util_staging_transfer *
util_staging_transfer_new(struct pipe_context *pipe, util_staging_transfer_init(struct pipe_context *pipe,
struct pipe_resource *pt, struct pipe_resource *pt,
struct pipe_subresource sr, struct pipe_subresource sr,
unsigned usage, unsigned usage,
const struct pipe_box *box, const struct pipe_box *box,
bool direct); bool direct, struct util_staging_transfer *tx);
void 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);