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The dirty rect produced by drawMouse() is updated without going through any

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scaling or aspect-ratio correction, so it has to be added using real surface
coordinates. So I had to re-introduce the extra parameter to addDirtyRect().

svn-id: r22681
This commit is contained in:
Torbjörn Andersson 2006-05-27 12:55:28 +00:00
parent 1b2485f4af
commit 1da221279c
2 changed files with 15 additions and 10 deletions
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23
backends/sdl/graphics.cpp
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@ -854,7 +854,7 @@ bool OSystem_SDL::grabRawScreen(Graphics::Surface *surf) {
return true;
}
void OSystem_SDL::addDirtyRect(int x, int y, int w, int h) {
void OSystem_SDL::addDirtyRect(int x, int y, int w, int h, bool realCoordinates) {
if (_forceFull)
return;
@ -865,7 +865,7 @@ void OSystem_SDL::addDirtyRect(int x, int y, int w, int h) {
int height, width;
if (!_overlayVisible) {
if (!_overlayVisible && !realCoordinates) {
width = _screenWidth;
height = _screenHeight;
} else {
@ -875,7 +875,7 @@ void OSystem_SDL::addDirtyRect(int x, int y, int w, int h) {
// Extend the dirty region by 1 pixel for scalers
// that "smear" the screen, e.g. 2xSAI
if (_modeFlags & DF_UPDATE_EXPAND_1_PIXEL) {
if ((_modeFlags & DF_UPDATE_EXPAND_1_PIXEL) && !realCoordinates) {
x--;
y--;
w+=2;
@ -902,7 +902,7 @@ void OSystem_SDL::addDirtyRect(int x, int y, int w, int h) {
}
#ifndef DISABLE_SCALERS
if (_adjustAspectRatio && !_overlayVisible) {
if (_adjustAspectRatio && !_overlayVisible && !realCoordinates) {
makeRectStretchable(x, y, w, h);
}
#endif
@ -1479,7 +1479,7 @@ void OSystem_SDL::drawMouse() {
_mouseBackup.x = _mouseBackup.y = _mouseBackup.w = _mouseBackup.h = 0;
return;
}
SDL_Rect dst;
int scale;
int width, height;
@ -1502,15 +1502,14 @@ void OSystem_SDL::drawMouse() {
dst.h = _mouseCurState.hH;
}
// Note that addDirtyRect() will perform any necessary clipping
// The mouse is undrawn using virtual coordinates, i.e. they may be
// scaled and aspect-ratio corrected.
_mouseBackup.x = dst.x;
_mouseBackup.y = dst.y;
_mouseBackup.w = dst.w;
_mouseBackup.h = dst.h;
addDirtyRect(_mouseBackup.x, _mouseBackup.y, _mouseBackup.w, _mouseBackup.h);
// We draw the pre-scaled cursor image, so now we need to adjust for
// scaling, shake position and aspect ratio correction manually.
@ -1526,10 +1525,16 @@ void OSystem_SDL::drawMouse() {
dst.w = _mouseCurState.hW;
dst.h = _mouseCurState.hH;
// Note that SDL_BlitSurface() will perform any clipping necessary
// Note that SDL_BlitSurface() and addDirtyRect() will both perform any
// clipping necessary
if (SDL_BlitSurface(_mouseSurface, NULL, _hwscreen, &dst) != 0)
error("SDL_BlitSurface failed: %s", SDL_GetError());
// The screen will be updated using real surface coordinates, i.e.
// they will not be scaled or aspect-ratio corrected.
addDirtyRect(dst.x, dst.y, dst.w, dst.h, true);
}
#pragma mark -