#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;
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);
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;
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);
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;
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);
}
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