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radv/rra: Only write used BLAS

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Halves the size of cp2077 captures.

Reviewed-by: Natalie Vock <natalie.vock@gmx.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35166>
This commit is contained in:
Konstantin Seurer
2025-05-26 16:26:46 +02:00
committed by Marge Bot
parent 5dcd9b93b5
commit e62c464e4e
5 changed files with 59 additions and 6 deletions
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src/amd/vulkan/layers/radv_rra_layer.c
+7 -4
View File
@@ -183,7 +183,7 @@ exit:
static void
handle_accel_struct_write(VkCommandBuffer commandBuffer, VkAccelerationStructureKHR accelerationStructure,
uint64_t size)
uint64_t size, bool can_be_tlas)
{
VK_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
VK_FROM_HANDLE(vk_acceleration_structure, accel_struct, accelerationStructure);
@@ -244,6 +244,8 @@ handle_accel_struct_write(VkCommandBuffer commandBuffer, VkAccelerationStructure
}
}
data->can_be_tlas |= can_be_tlas;
if (!data->buffer)
return;
@@ -294,7 +296,8 @@ rra_CmdBuildAccelerationStructuresKHR(VkCommandBuffer commandBuffer, uint32_t in
VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR,
pInfos + i, primitive_counts, &size_info);
handle_accel_struct_write(commandBuffer, pInfos[i].dstAccelerationStructure, size_info.accelerationStructureSize);
handle_accel_struct_write(commandBuffer, pInfos[i].dstAccelerationStructure, size_info.accelerationStructureSize,
pInfos[i].type == VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_KHR);
}
simple_mtx_unlock(&device->rra_trace.data_mtx);
@@ -315,7 +318,7 @@ rra_CmdCopyAccelerationStructureKHR(VkCommandBuffer commandBuffer, const VkCopyA
struct hash_entry *entry = _mesa_hash_table_search(device->rra_trace.accel_structs, src);
struct radv_rra_accel_struct_data *data = entry->data;
handle_accel_struct_write(commandBuffer, pInfo->dst, data->size);
handle_accel_struct_write(commandBuffer, pInfo->dst, data->size, data->can_be_tlas);
simple_mtx_unlock(&device->rra_trace.data_mtx);
}
@@ -332,7 +335,7 @@ rra_CmdCopyMemoryToAccelerationStructureKHR(VkCommandBuffer commandBuffer,
simple_mtx_lock(&device->rra_trace.data_mtx);
VK_FROM_HANDLE(vk_acceleration_structure, dst, pInfo->dst);
handle_accel_struct_write(commandBuffer, pInfo->dst, dst->size);
handle_accel_struct_write(commandBuffer, pInfo->dst, dst->size, true);
simple_mtx_unlock(&device->rra_trace.data_mtx);
}