mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 10:19:47 -04:00
Matthew Stanley
67 lines
2.8 KiB
Python
67 lines
2.8 KiB
Python
#!/usr/bin/env python3
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"""Execute the production host-pause presenter before and after a held frame."""
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import argparse
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from pathlib import Path
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import subprocess
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import tempfile
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from test_netplay_load_apply_flow import function_body
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PRELUDE = r"""
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#include <stdint.h>
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#include <stdio.h>
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int g_gl_active, g_vk_active, s_sw_hold_valid;
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void *sdl_renderer, *sdl_texture;
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int s_sw_hold_src, s_sw_hold_dst;
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static int held, holds, blanks, vk_blanks, ticks, suspended;
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uint32_t SDL_GetTicks() { return 7; }
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void psx_rewind_present_tick(uint32_t t) { ticks += t == 7; }
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void gl_renderer_set_interpolation_suspended(int x) { suspended = x; }
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int gl_renderer_present_hold_last() { ++holds; return held; }
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void gl_renderer_present_blank() { ++blanks; }
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void vk_renderer_present_blank() { ++vk_blanks; }
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void SDL_SetRenderDrawColor(void*,int,int,int,int) {}
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void SDL_RenderClear(void*) {}
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void SDL_RenderCopy(void*,void*,void*,void*) {}
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void host_osd_draw_sdl(void*) {}
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void SDL_RenderPresent(void*) {}
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"""
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CHECKS = r"""
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int main() {
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g_gl_active = 1;
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held = 0; rewind_pause_present();
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if (holds != 1 || blanks != 1 || ticks != 1 || !suspended) {
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fprintf(stderr, "No held frame: menu draw must still get a blank present\n"); return 1;
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}
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held = 1; rewind_pause_present();
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if (holds != 2 || blanks != 1 || ticks != 2) return 2;
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g_gl_active = 0; g_vk_active = 1; rewind_pause_present();
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if (holds != 2 || blanks != 1 || vk_blanks != 1) return 3;
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puts("host pause: first-frame fallback and existing held-frame path PASS");
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return 0;
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}
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"""
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def main():
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a=argparse.ArgumentParser();a.add_argument('--cxx',required=True);args=a.parse_args()
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source=(Path(__file__).resolve().parents[1]/'src/main.cpp').read_text(encoding='utf-8')
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body=function_body(source,'static void rewind_pause_present(void)')
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fixed='static void rewind_pause_present(void) {'+body+'}'
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old=fixed.replace('if (!gl_renderer_present_hold_last()) gl_renderer_present_blank();',
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'(void)gl_renderer_present_hold_last();')
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assert old != fixed
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with tempfile.TemporaryDirectory() as folder:
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p=Path(folder)
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for label,code in [('fixed',fixed),('before',old)]:
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cpp=p/(label+'.cpp');exe=p/(label+'.exe')
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cpp.write_text(PRELUDE+code+CHECKS,encoding='utf-8')
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subprocess.run([args.cxx,'-std=c++17',str(cpp),'-o',str(exe)],check=True)
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r=subprocess.run([str(exe)],capture_output=True,text=True)
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if label=='fixed':
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assert r.returncode==0,r.stdout+r.stderr
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print(r.stdout.strip())
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else:
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assert r.returncode==1,'Regression must reject the old missing fallback'
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print('pre-fix presenter: regression rejects missing first-frame draw')
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if __name__=='__main__':main()
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