diff options
Diffstat (limited to 'backends/events')
| -rw-r--r-- | backends/events/psp2sdl/psp2sdl-events.cpp | 17 | ||||
| -rw-r--r-- | backends/events/psp2sdl/psp2sdl-events.h | 3 |
2 files changed, 15 insertions, 5 deletions
diff --git a/backends/events/psp2sdl/psp2sdl-events.cpp b/backends/events/psp2sdl/psp2sdl-events.cpp index a342fa836b..4095678f1f 100644 --- a/backends/events/psp2sdl/psp2sdl-events.cpp +++ b/backends/events/psp2sdl/psp2sdl-events.cpp @@ -50,6 +50,9 @@ PSP2EventSource::PSP2EventSource() { _simulatedClickStartTime[port][i] = 0; } } + + _hiresDX = 0; + _hiresDY = 0; } bool PSP2EventSource::pollEvent(Common::Event &event) { @@ -260,11 +263,15 @@ void PSP2EventSource::preprocessFingerMotion(SDL_Event *event) { } // convert touch events to relative mouse pointer events - // Whenever an SDL_event involving the mouse is processed, - // _km.x/y are truncated from subpixel precision to regular pixel precision. - // Therefore, there's no need here to deal with subpixel precision in _km.x/y. - x = (_km.x / MULTIPLIER + (event->tfinger.dx * 1.25 * speedFactor * _km.x_max)); - y = (_km.y / MULTIPLIER + (event->tfinger.dy * 1.25 * speedFactor * _km.y_max)); + // track sub-pixel relative finger motion using the MULTIPLIER + _hiresDX += (event->tfinger.dx * 1.25 * speedFactor * _km.x_max * MULTIPLIER); + _hiresDY += (event->tfinger.dy * 1.25 * speedFactor * _km.y_max * MULTIPLIER); + int xRel = _hiresDX / MULTIPLIER; + int yRel = _hiresDY / MULTIPLIER; + x = (_km.x / MULTIPLIER) + xRel; + y = (_km.y / MULTIPLIER) + yRel; + _hiresDX %= MULTIPLIER; + _hiresDY %= MULTIPLIER; } if (x > _km.x_max) { diff --git a/backends/events/psp2sdl/psp2sdl-events.h b/backends/events/psp2sdl/psp2sdl-events.h index 1d5fdf9d50..f37d51c46b 100644 --- a/backends/events/psp2sdl/psp2sdl-events.h +++ b/backends/events/psp2sdl/psp2sdl-events.h @@ -65,6 +65,9 @@ private: unsigned int _simulatedClickStartTime[SCE_TOUCH_PORT_MAX_NUM][2]; // initiation time of last simulated left or right click (zero if no click) + int _hiresDX; // keep track of slow, sub-pixel, finger motion across multiple frames + int _hiresDY; + void preprocessFingerDown(SDL_Event *event); void preprocessFingerUp(SDL_Event *event); void preprocessFingerMotion(SDL_Event *event); |