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iris: Export a copy_region helper that doesn't flush

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I'll want to use this for transfer maps, which already do their own
flushing.  This lets us avoid a double flush, and also gives us more
control over the batch which is selected.
This commit is contained in:
Kenneth Graunke 2018-12-24 00:27:09 -08:00
parent 335726fdac
commit 2993088500
2 changed files with 48 additions and 16 deletions
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56
src/gallium/drivers/iris/iris_blit.c
View file

@ -472,25 +472,27 @@ get_copy_region_aux_settings(const struct gen_device_info *devinfo,
}
/**
* The pipe->resource_copy_region() driver hook.
* Perform a GPU-based raw memory copy between compatible view classes.
*
* This implements ARB_copy_image semantics - a raw memory copy between
* compatible view classes.
* Does not perform any flushing - the new data may still be left in the
* render cache, and old data may remain in other caches.
*
* Wraps blorp_copy() and blorp_buffer_copy().
*/
static void
iris_resource_copy_region(struct pipe_context *ctx,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
void
iris_copy_region(struct blorp_context *blorp,
struct iris_batch *batch,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
{
struct iris_screen *screen = (void *) ctx->screen;
const struct gen_device_info *devinfo = &screen->devinfo;
struct blorp_batch blorp_batch;
struct iris_context *ice = (void *) ctx;
struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
struct iris_context *ice = blorp->driver_ctx;
struct iris_screen *screen = (void *) ice->ctx.screen;
const struct gen_device_info *devinfo = &screen->devinfo;
struct iris_resource *src_res = (void *) src;
struct iris_resource *dst_res = (void *) dst;
@ -547,10 +549,32 @@ iris_resource_copy_region(struct pipe_context *ctx,
iris_resource_finish_write(ice, dst_res, dst_level, dstz,
src_box->depth, dst_aux_usage);
}
}
/**
* The pipe->resource_copy_region() driver hook.
*
* This implements ARB_copy_image semantics - a raw memory copy between
* compatible view classes.
*/
static void
iris_resource_copy_region(struct pipe_context *ctx,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
{
struct iris_context *ice = (void *) ctx;
struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
iris_copy_region(&ice->blorp, batch, dst, dst_level, dstx, dsty, dstz,
src, src_level, src_box);
}
void
iris_init_blit_functions(struct pipe_context *ctx)
{

8
src/gallium/drivers/iris/iris_context.h
View file

@ -666,6 +666,14 @@ void iris_blorp_surf_for_resource(struct iris_vtable *vtbl,
enum isl_aux_usage aux_usage,
unsigned level,
bool is_render_target);
void iris_copy_region(struct blorp_context *blorp,
struct iris_batch *batch,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box);
/* iris_draw.c */