76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
#include <SDL.h>
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#include <cstdio>
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#include "vdi_mouse_batch.h"
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#include "vdi_latest_frame.h"
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#undef NDEBUG
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#include <cassert>
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static SDL_Event motion(int x, Uint32 which = 1)
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{
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SDL_Event event{};
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event.type = SDL_MOUSEMOTION;
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event.motion.which = which;
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event.motion.windowID = 1;
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event.motion.x = x;
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event.motion.y = 100;
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event.motion.xrel = 1;
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return event;
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}
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int main()
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{
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assert(SDL_Init(SDL_INIT_EVENTS) == 0);
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for (Uint32 boundary : {Uint32(SDL_MOUSEBUTTONDOWN), Uint32(SDL_MOUSEBUTTONUP),
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Uint32(SDL_KEYDOWN), Uint32(SDL_USEREVENT)}) {
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SDL_FlushEvents(SDL_FIRSTEVENT, SDL_LASTEVENT);
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SDL_Event first = motion(10), adjacent = motion(20), later = motion(90), barrier{};
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barrier.type = boundary;
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assert(SDL_PushEvent(&adjacent) == 1);
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assert(SDL_PushEvent(&barrier) == 1);
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assert(SDL_PushEvent(&later) == 1);
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vdiBatchMouseMotion(first.motion);
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assert(first.motion.x == 20 && first.motion.xrel == 2);
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SDL_Event next;
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assert(SDL_PeepEvents(&next, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT) == 1);
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assert(next.type == boundary);
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assert(SDL_PeepEvents(&next, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT) == 1);
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assert(next.motion.x == 90);
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}
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SDL_FlushEvents(SDL_FIRSTEVENT, SDL_LASTEVENT);
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SDL_Event first = motion(0);
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for (int i = 1; i <= 200; ++i) {
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SDL_Event next = motion(i);
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assert(SDL_PushEvent(&next) == 1);
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}
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vdiBatchMouseMotion(first.motion);
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assert(first.motion.x == 64); // Work per dispatch is bounded.
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assert(SDL_PeepEvents(nullptr, 0, SDL_PEEKEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT) == 136);
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SDL_FlushEvents(SDL_FIRSTEVENT, SDL_LASTEVENT);
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first = motion(10);
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SDL_Event synthetic = motion(99, SDL_TOUCH_MOUSEID);
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assert(SDL_PushEvent(&synthetic) == 1);
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vdiBatchMouseMotion(first.motion);
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assert(first.motion.x == 10);
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AVFrame* presented = av_frame_alloc();
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assert(presented);
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presented->buf[0] = av_buffer_alloc(16);
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assert(presented->buf[0]);
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QQueue<AVFrame*> queue;
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assert(vdiDiscardQueuedFrames(queue) == 0);
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for (int i = 0; i < 200; ++i) {
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unsigned dropped = vdiDiscardQueuedFrames(queue);
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assert(dropped == (i == 0 ? 0u : 1u));
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AVFrame* frame = av_frame_alloc();
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assert(frame);
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frame->pts = i;
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queue.enqueue(frame);
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assert(queue.size() == 1 && queue.head()->pts == i);
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assert(av_buffer_get_ref_count(presented->buf[0]) == 1);
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}
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assert(vdiDiscardQueuedFrames(queue) == 1);
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av_frame_free(&presented);
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SDL_Quit();
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std::puts("PASS: SDL event boundaries, bounded motion work, latest decoded frame ownership");
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}
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