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pvr: initial texel buffer support

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Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36412>
This commit is contained in:
Simon Perretta 2025-02-28 16:48:02 +00:00 • committed by Marge Bot
parent f54effa024
commit 7a5511d592
1 changed files with 61 additions and 2 deletions
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63
src/imagination/vulkan/pvr_descriptor_set.c
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@ -83,6 +83,8 @@ static unsigned pvr_descriptor_size(VkDescriptorType type)
return sizeof(struct pvr_combined_image_sampler_descriptor);
case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
return sizeof(struct pvr_image_descriptor);
default:
@ -516,7 +518,8 @@ static void
write_storage_image(const struct pvr_descriptor_set *set,
const VkDescriptorImageInfo *image_info,
const struct pvr_descriptor_set_layout_binding *binding,
uint32_t elem)
uint32_t elem,
const struct pvr_device_info *dev_info)
{
PVR_FROM_HANDLE(pvr_image_view, image_view, image_info->imageView);
@ -530,15 +533,57 @@ write_storage_image(const struct pvr_descriptor_set *set,
image_view->image_state[is_cube ? PVR_TEXTURE_STATE_STORAGE
: PVR_TEXTURE_STATE_SAMPLE];
if (!PVR_HAS_FEATURE(dev_info, tpu_extended_integer_lookup)) {
struct ROGUE_TEXSTATE_STRIDE_IMAGE_WORD1 word1;
ROGUE_TEXSTATE_STRIDE_IMAGE_WORD1_unpack(&storage_image_desc.words[1],
&word1);
word1.index_lookup = true;
ROGUE_TEXSTATE_STRIDE_IMAGE_WORD1_pack(&storage_image_desc.words[1],
&word1);
}
memcpy(desc_mapping, &storage_image_desc, sizeof(storage_image_desc));
}
static void
write_buffer_view(const struct pvr_descriptor_set *set,
const VkBufferView _buffer_view,
const struct pvr_descriptor_set_layout_binding *binding,
uint32_t elem,
bool is_texel_buffer,
const struct pvr_device_info *dev_info)
{
PVR_FROM_HANDLE(pvr_buffer_view, buffer_view, _buffer_view);
const unsigned desc_offset = binding->offset + (elem * binding->stride);
void *desc_mapping = (uint8_t *)set->mapping + desc_offset;
struct pvr_image_descriptor buffer_view_state = buffer_view->image_state;
if (is_texel_buffer &&
!PVR_HAS_FEATURE(dev_info, tpu_extended_integer_lookup)) {
struct ROGUE_TEXSTATE_STRIDE_IMAGE_WORD1 word1;
ROGUE_TEXSTATE_STRIDE_IMAGE_WORD1_unpack(&buffer_view_state.words[1],
&word1);
word1.index_lookup = true;
ROGUE_TEXSTATE_STRIDE_IMAGE_WORD1_pack(&buffer_view_state.words[1],
&word1);
}
memcpy(desc_mapping, &buffer_view_state, sizeof(buffer_view_state));
}
void pvr_UpdateDescriptorSets(VkDevice _device,
uint32_t descriptorWriteCount,
const VkWriteDescriptorSet *pDescriptorWrites,
uint32_t descriptorCopyCount,
const VkCopyDescriptorSet *pDescriptorCopies)
{
PVR_FROM_HANDLE(pvr_device, device, _device);
const struct pvr_device_info *dev_info = &device->pdevice->dev_info;
for (uint32_t i = 0; i < descriptorWriteCount; i++) {
const VkWriteDescriptorSet *write = &pDescriptorWrites[i];
PVR_FROM_HANDLE(pvr_descriptor_set, set, write->dstSet);
@ -580,7 +625,21 @@ void pvr_UpdateDescriptorSets(VkDevice _device,
write_storage_image(set,
&write->pImageInfo[j],
binding,
write->dstArrayElement + j);
write->dstArrayElement + j,
dev_info);
}
break;
case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
for (uint32_t j = 0; j < write->descriptorCount; j++) {
write_buffer_view(set,
write->pTexelBufferView[j],
binding,
write->dstArrayElement + j,
write->descriptorType ==
VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
dev_info);
}
break;