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panvk: Track which dynamic buffers are SSBOs

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Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Reviewed-by: Christoph Pillmayer <christoph.pillmayer@arm.com>
Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40576>
This commit is contained in:
Faith Ekstrand 2026-03-23 15:02:57 -04:00 • committed by Marge Bot
parent 12e1f5d0ea
commit f350a69759
4 changed files with 9 additions and 0 deletions
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1
src/panfrost/vulkan/panvk_cmd_desc_state.h
View file

@ -63,6 +63,7 @@ struct panvk_descriptor_state {
BITSET_DECLARE(dirty_push_sets, MAX_SETS);
uint32_t dyn_buf_offsets[MAX_SETS][MAX_DYNAMIC_BUFFERS];
uint32_t dyn_ssbos[MAX_SETS];
};
#if PAN_ARCH < 9

3
src/panfrost/vulkan/panvk_descriptor_set_layout.h
View file

@ -101,6 +101,9 @@ struct panvk_descriptor_set_layout {
unsigned desc_count;
unsigned dyn_buf_count;
/* Bitmask of which dynamic buffers are SSBOs */
uint32_t dyn_ssbos;
/* Number of bindings in this descriptor set */
uint32_t binding_count;

1
src/panfrost/vulkan/panvk_vX_cmd_desc_state.c
View file

@ -46,6 +46,7 @@ cmd_desc_state_bind_sets(struct panvk_descriptor_state *desc_state,
desc_state->dyn_buf_offsets[set_idx][b] =
info->pDynamicOffsets[dynoffset_idx++];
}
desc_state->dyn_ssbos[set_idx] = set->layout->dyn_ssbos;
}
}

4
src/panfrost/vulkan/panvk_vX_descriptor_set_layout.c
View file

@ -145,6 +145,7 @@ panvk_per_arch(CreateDescriptorSetLayout)(
unsigned desc_idx = 0;
unsigned dyn_buf_idx = 0;
uint32_t dyn_ssbos = 0;
for (unsigned i = 0; i < pCreateInfo->bindingCount; i++) {
const VkDescriptorSetLayoutBinding *binding = &bindings[i];
struct panvk_descriptor_set_binding_layout *binding_layout =
@ -184,6 +185,8 @@ panvk_per_arch(CreateDescriptorSetLayout)(
if (vk_descriptor_type_is_dynamic(binding_layout->type)) {
binding_layout->desc_idx = dyn_buf_idx;
if (binding_layout->type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)
dyn_ssbos |= BITFIELD_RANGE(dyn_buf_idx, binding->descriptorCount);
dyn_buf_idx += binding_layout->desc_count;
} else {
binding_layout->desc_idx = desc_idx;
@ -194,6 +197,7 @@ panvk_per_arch(CreateDescriptorSetLayout)(
layout->desc_count = desc_idx;
layout->dyn_buf_count = dyn_buf_idx;
layout->dyn_ssbos = dyn_ssbos;
struct mesa_blake3 hash_ctx;
_mesa_blake3_init(&hash_ctx);