diff options
Diffstat (limited to 'lib/mesa/src/amd/vulkan/radv_acceleration_structure.h')
-rw-r--r-- | lib/mesa/src/amd/vulkan/radv_acceleration_structure.h | 82 |
1 files changed, 70 insertions, 12 deletions
diff --git a/lib/mesa/src/amd/vulkan/radv_acceleration_structure.h b/lib/mesa/src/amd/vulkan/radv_acceleration_structure.h index df738d89c..062edde50 100644 --- a/lib/mesa/src/amd/vulkan/radv_acceleration_structure.h +++ b/lib/mesa/src/amd/vulkan/radv_acceleration_structure.h @@ -24,21 +24,79 @@ #ifndef RADV_ACCELERATION_STRUCTURE_H #define RADV_ACCELERATION_STRUCTURE_H -#include "bvh/bvh.h" +#include <stdint.h> +#include <vulkan/vulkan.h> -#include "radv_private.h" +struct radv_accel_struct_serialization_header { + uint8_t driver_uuid[VK_UUID_SIZE]; + uint8_t accel_struct_compat[VK_UUID_SIZE]; + uint64_t serialization_size; + uint64_t compacted_size; + uint64_t instance_count; + uint64_t instances[]; +}; + +struct radv_accel_struct_header { + uint32_t root_node_offset; + uint32_t reserved; + float aabb[2][3]; + + /* Everything after this gets updated/copied from the CPU. */ + uint64_t compacted_size; + uint64_t serialization_size; + uint32_t copy_dispatch_size[3]; + uint64_t instance_offset; + uint64_t instance_count; +}; + +struct radv_bvh_triangle_node { + float coords[3][3]; + uint32_t reserved[3]; + uint32_t triangle_id; + /* flags in upper 4 bits */ + uint32_t geometry_id_and_flags; + uint32_t reserved2; + uint32_t id; +}; -struct radv_acceleration_structure { - struct vk_object_base base; +struct radv_bvh_aabb_node { + float aabb[2][3]; + uint32_t primitive_id; + /* flags in upper 4 bits */ + uint32_t geometry_id_and_flags; + uint32_t reserved[8]; +}; + +struct radv_bvh_instance_node { + uint64_t base_ptr; + /* lower 24 bits are the custom instance index, upper 8 bits are the visibility mask */ + uint32_t custom_instance_and_mask; + /* lower 24 bits are the sbt offset, upper 8 bits are VkGeometryInstanceFlagsKHR */ + uint32_t sbt_offset_and_flags; + + /* The translation component is actually a pre-translation instead of a post-translation. If you + * want to get a proper matrix out of it you need to apply the directional component of the + * matrix to it. The pre-translation of the world->object matrix is the same as the + * post-translation of the object->world matrix so this way we can share data between both + * matrices. */ + float wto_matrix[12]; + float aabb[2][3]; + uint32_t instance_id; - struct radeon_winsys_bo *bo; - uint64_t mem_offset; - uint64_t size; - uint64_t va; - VkAccelerationStructureTypeKHR type; + /* Object to world matrix transposed from the initial transform. Translate part is store in the + * wto_matrix. */ + float otw_matrix[9]; }; -VK_DEFINE_NONDISP_HANDLE_CASTS(radv_acceleration_structure, base, VkAccelerationStructureKHR, - VK_OBJECT_TYPE_ACCELERATION_STRUCTURE_KHR) +struct radv_bvh_box16_node { + uint32_t children[4]; + uint32_t coords[4][3]; +}; + +struct radv_bvh_box32_node { + uint32_t children[4]; + float coords[4][2][3]; + uint32_t reserved[4]; +}; -#endif +#endif
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