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radv: Add GPU copying of acceleration structures.

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12840>
This commit is contained in:
Bas Nieuwenhuizen 2021-09-13 01:31:56 +02:00 • committed by Marge Bot
parent c7e0a8a6f7
commit 0bf77a3fd1
1 changed files with 34 additions and 0 deletions
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34
src/amd/vulkan/radv_acceleration_structure.c
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@ -1917,3 +1917,37 @@ radv_CmdBuildAccelerationStructuresKHR(
free(bvh_states);
radv_meta_restore(&saved_state, cmd_buffer);
}
void
radv_CmdCopyAccelerationStructureKHR(VkCommandBuffer commandBuffer,
const VkCopyAccelerationStructureInfoKHR *pInfo)
{
RADV_FROM_HANDLE(radv_cmd_buffer, cmd_buffer, commandBuffer);
RADV_FROM_HANDLE(radv_acceleration_structure, src, pInfo->src);
RADV_FROM_HANDLE(radv_acceleration_structure, dst, pInfo->dst);
struct radv_meta_saved_state saved_state;
radv_meta_save(
&saved_state, cmd_buffer,
RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS);
uint64_t src_addr = radv_accel_struct_get_va(src);
uint64_t dst_addr = radv_accel_struct_get_va(dst);
radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE,
cmd_buffer->device->meta_state.accel_struct_build.copy_pipeline);
const struct copy_constants consts = {
.src_addr = src_addr,
.dst_addr = dst_addr,
.mode = COPY_MODE_COPY,
};
radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer),
cmd_buffer->device->meta_state.accel_struct_build.copy_p_layout,
VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(consts), &consts);
radv_indirect_dispatch(cmd_buffer, src->bo,
src_addr + offsetof(struct radv_accel_struct_header, copy_dispatch_size));
radv_meta_restore(&saved_state, cmd_buffer);
}