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https://github.com/UniXNU/NativeAdreno.git
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rponeawa
4aa24c7cec
The kernel ring keeps submission, retirement, display arrival, fence and latch, build identity and the render server's render, encode and completion thread identities. Pixel capture, dispatch hooks and the switch, recovery, fence-query and import events are removed; the ring holds 65536 records.
28 lines
1.2 KiB
C
28 lines
1.2 KiB
C
/* SPDX-License-Identifier: MIT */
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#ifndef NATIVE_GPU_THREAD_TARGETS_H
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#define NATIVE_GPU_THREAD_TARGETS_H
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#include <stdint.h>
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/* Diagnostic thread identities by process and role (1 render, 2 encode,
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* 3 completion). Writers publish the caller's own PID only. */
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struct NativeGpuThreadTargets {
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struct Slot {uint64_t key;uint64_t tid;};
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Slot slots[32]{};
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static uint64_t keyOf(uint32_t pid,uint32_t role) {return (uint64_t)pid<<8|role;}
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void record(uint32_t pid,uint32_t role,uint64_t tid) {
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if(!pid || !role || role>255 || !tid)return;
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const uint64_t key=keyOf(pid,role);
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for(auto &slot:slots) {
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uint64_t found=__atomic_load_n(&slot.key,__ATOMIC_ACQUIRE);
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if(!found && !__atomic_compare_exchange_n(&slot.key,&found,key,false,__ATOMIC_ACQ_REL,__ATOMIC_ACQUIRE))continue;
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if(!found || found==key){__atomic_store_n(&slot.tid,tid,__ATOMIC_RELEASE);return;}
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}
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}
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uint64_t find(uint32_t pid,uint32_t role) const {
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const uint64_t key=keyOf(pid,role);
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for(const auto &slot:slots)if(__atomic_load_n(&slot.key,__ATOMIC_ACQUIRE)==key)
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return __atomic_load_n(&slot.tid,__ATOMIC_ACQUIRE);
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return 0;
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}
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};
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#endif
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