mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 19:07:47 -04:00
Shokunin
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
#include "gpu.h"
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#include <stdlib.h>
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#include <stdatomic.h>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <pthread.h>
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#endif
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#define CHECK(c) do { if (!(c)) abort(); } while (0)
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/* This fixture has no decoder traffic; frame/classification are input state. */
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uint64_t s_frame_count = 17;
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int mdec_recently_active(uint32_t within_frames) { (void)within_frames; return 0; }
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static atomic_int phase;
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static GpuExecutionSnapshot *snapshot;
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static uint16_t *live;
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static void replay(void) {
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CHECK(gpu_execution_snapshot_bind(snapshot));
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uint16_t *private_vram = gpu_get_vram_ptr();
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CHECK(private_vram != live && private_vram[2345] == 17);
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private_vram[2345] = 29;
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atomic_store_explicit(&phase, 1, memory_order_release);
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while (atomic_load_explicit(&phase, memory_order_acquire) != 2) { }
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CHECK(private_vram[2345] == 29);
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gpu_execution_snapshot_unbind();
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CHECK(gpu_get_vram_ptr() == live);
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}
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#ifdef _WIN32
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static DWORD WINAPI entry(LPVOID p) { (void)p; replay(); return 0; }
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#else
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static void *entry(void *p) { (void)p; replay(); return NULL; }
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#endif
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int main(void) {
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live = gpu_get_vram_ptr();
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live[2345] = 17;
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snapshot = gpu_execution_snapshot_create();
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CHECK(snapshot && gpu_execution_snapshot_capture(snapshot));
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#ifdef _WIN32
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HANDLE thread = CreateThread(NULL, 0, entry, NULL, 0, NULL);
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CHECK(thread);
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#else
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pthread_t thread;
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CHECK(!pthread_create(&thread, NULL, entry, NULL));
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#endif
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while (atomic_load_explicit(&phase, memory_order_acquire) != 1) { }
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CHECK(gpu_get_vram_ptr() == live && live[2345] == 17);
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live[2345] = 41;
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atomic_store_explicit(&phase, 2, memory_order_release);
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#ifdef _WIN32
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CHECK(WaitForSingleObject(thread, 10000) == WAIT_OBJECT_0);
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CloseHandle(thread);
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#else
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CHECK(!pthread_join(thread, NULL));
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#endif
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CHECK(gpu_execution_snapshot_capture(snapshot));
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CHECK(gpu_execution_snapshot_bind(snapshot));
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CHECK(gpu_get_vram_ptr()[2345] == 41);
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gpu_execution_snapshot_unbind();
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gpu_execution_snapshot_destroy(snapshot);
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return 0;
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}
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