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lavapipe: Implement shaderResourceResidency

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Adds a bit set to llvmpipe_resurce where each bit stores the residency
of a 64KB tile. The sampling code is adjusted to make use of said table
and return a residency code for sparse texture operations.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29408>
This commit is contained in:
Konstantin Seurer
2024-05-26 13:51:58 +02:00
committed by Marge Bot
parent d747c4a874
commit 6168317b84
16 changed files with 301 additions and 58 deletions
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6
src/gallium/drivers/llvmpipe/lp_texture.c
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@@ -327,6 +327,8 @@ llvmpipe_resource_create_all(struct pipe_screen *_screen,
-1, 0);
madvise(lpr->tex_data, lpr->size_required, MADV_DONTNEED);
#endif
lpr->residency = calloc(DIV_ROUND_UP(lpr->size_required, 64 * 1024 * sizeof(uint32_t) * 8), sizeof(uint32_t));
}
}
} else {
@@ -578,6 +580,8 @@ llvmpipe_resource_destroy(struct pipe_screen *pscreen,
#endif
}
free(lpr->residency);
#if MESA_DEBUG
simple_mtx_lock(&resource_list_mutex);
if (!list_is_empty(&lpr->list))
@@ -1564,6 +1568,7 @@ llvmpipe_resource_bind_backing(struct pipe_screen *pscreen,
if (llvmpipe_resource_is_texture(&lpr->base)) {
mmap((char *)lpr->tex_data + offset, size, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED, mem->fd, mem->offset + fd_offset);
BITSET_SET(lpr->residency, offset / (64 * 1024));
} else {
mmap((char *)lpr->data + offset, size, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED, mem->fd, mem->offset + fd_offset);
@@ -1572,6 +1577,7 @@ llvmpipe_resource_bind_backing(struct pipe_screen *pscreen,
if (llvmpipe_resource_is_texture(&lpr->base)) {
mmap((char *)lpr->tex_data + offset, size, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0);
BITSET_CLEAR(lpr->residency, offset / (64 * 1024));
} else {
mmap((char *)lpr->data + offset, size, PROT_READ|PROT_WRITE,
MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS, -1, 0);