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N64: force screen update after hiding overlay

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svn-id: r48108
This commit is contained in:
Fabio Battaglia 2010-02-21 19:02:45 +00:00
parent 4577a9038a
commit 2ca06e3e0a
2 changed files with 18 additions and 4 deletions
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2
backends/platform/n64/osys_n64.h
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@ -113,6 +113,8 @@ protected:
uint16 _overlayHeight, _overlayWidth;
bool _overlayVisible;
bool _disableFpsLimit; // When this is enabled, the system doesn't limit screen updates
bool _mouseVisible;
volatile int _mouseX, _mouseY;
volatile float _tempMouseX, _tempMouseY;

20
backends/platform/n64/osys_n64_base.cpp
View File

@ -83,6 +83,8 @@ OSystem_N64::OSystem_N64() {
// Max FPS
_maxFps = N64_NTSC_FPS;
_disableFpsLimit = false;
_overlayVisible = false;
_shakeOffset = 0;
@ -486,11 +488,13 @@ void OSystem_N64::copyRectToScreen(const byte *buf, int pitch, int x, int y, int
void OSystem_N64::updateScreen() {
#ifdef LIMIT_FPS
static uint32 _lastScreenUpdate = 0;
uint32 now = getMillis();
if (now - _lastScreenUpdate < 1000 / _maxFps)
return;
if (!_disableFpsLimit) {
uint32 now = getMillis();
if (now - _lastScreenUpdate < 1000 / _maxFps)
return;
_lastScreenUpdate = now;
_lastScreenUpdate = now;
}
#endif
// Check if audio buffer needs refill
@ -647,6 +651,14 @@ void OSystem_N64::hideOverlay() {
clearAllVideoBuffers();
_dirtyOffscreen = true;
// Force TWO screen updates (because of double buffered display).
// This way games which won't automatically update the screen
// when overlay is disabled, won't show a black screen. (eg. Lure)
_disableFpsLimit = true;
updateScreen();
updateScreen();
_disableFpsLimit = false;
}
void OSystem_N64::clearOverlay() {