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panvk/shader: Implement [de]serialization of ASM and NIR strings

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Acked-by: Eric R. Smith <eric.smith@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38019>
This commit is contained in:
Faith Ekstrand 2025-10-23 11:21:46 -04:00 • committed by Marge Bot
parent a35c8249de
commit 9a50527c54
1 changed files with 25 additions and 7 deletions
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32
src/panfrost/vulkan/panvk_vX_shader.c
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@ -1637,9 +1637,26 @@ panvk_deserialize_shader_variant(struct vk_device *vk_dev,
if (result != VK_SUCCESS)
return panvk_error(device, result);
uint32_t nir_str_size = blob_read_uint32(blob);
uint32_t asm_str_size = blob_read_uint32(blob);
const char *nir_str = blob_read_bytes(blob, nir_str_size);
const char *asm_str = blob_read_bytes(blob, asm_str_size);
if (blob->overrun)
return panvk_error(device, VK_ERROR_INCOMPATIBLE_SHADER_BINARY_EXT);
if (nir_str_size > 0) {
shader->nir_str = ralloc_strndup(NULL, nir_str, nir_str_size);
if (shader->nir_str == NULL)
return panvk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
}
if (asm_str_size > 0) {
shader->asm_str = strndup(asm_str, asm_str_size);
if (shader->asm_str == NULL)
return panvk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
}
result = panvk_shader_upload(device, shader, pAllocator);
if (result != VK_SUCCESS)
@ -1722,13 +1739,6 @@ panvk_shader_serialize_variant(struct vk_device *vk_dev,
const struct panvk_shader_variant *shader,
struct blob *blob)
{
/**
* We can't currently cache assembly
* TODO: Implement seriaization with assembly
**/
if (shader->nir_str != NULL || shader->asm_str != NULL)
return false;
blob_write_bytes(blob, &shader->info, sizeof(shader->info));
blob_write_bytes(blob, &shader->fau, sizeof(shader->fau));
@ -1752,6 +1762,14 @@ panvk_shader_serialize_variant(struct vk_device *vk_dev,
blob_write_bytes(blob, shader->bin_ptr, shader->bin_size);
shader_desc_info_serialize(blob, shader);
/* Include the terminating NULL in the serialization */
uint32_t nir_str_size = shader->nir_str ? strlen(shader->nir_str) + 1 : 0;
uint32_t asm_str_size = shader->asm_str ? strlen(shader->asm_str) + 1 : 0;
blob_write_uint32(blob, nir_str_size);
blob_write_uint32(blob, asm_str_size);
blob_write_bytes(blob, shader->nir_str, nir_str_size);
blob_write_bytes(blob, shader->asm_str, asm_str_size);
return !blob->out_of_memory;
}