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fix opengl overlay drawing

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This commit is contained in:
Pawel Kolodziejski 2009-10-18 07:23:07 +00:00
parent d375e093b3
commit 60373250fc
1 changed files with 24 additions and 2 deletions
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26
backends/platform/sdl/graphics.cpp
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@ -105,8 +105,28 @@ byte *OSystem_SDL::setupScreen(int screenW, int screenH, bool fullscreen, bool a
_overlayWidth = screenW;
_overlayHeight = screenH;
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
#ifdef USE_OPENGL
if (_opengl) {
uint32 rmask, gmask, bmask, amask;
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
rmask = 0x00001f00;
gmask = 0x000007e0;
bmask = 0x000000f8;
amask = 0x00000000;
#else
rmask = 0x0000f800;
gmask = 0x000007e0;
bmask = 0x0000001f;
amask = 0x00000000;
#endif
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
rmask, gmask, bmask, amask);
} else
#endif
{
_overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, 16,
_screen->format->Rmask, _screen->format->Gmask, _screen->format->Bmask, _screen->format->Amask);
}
if (!_overlayscreen)
error("allocating _overlayscreen failed");
@ -321,7 +341,8 @@ void OSystem_SDL::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, i
}
if (y < 0) {
h += y; buf -= y * pitch;
h += y;
buf -= y * pitch;
y = 0;
}
@ -357,6 +378,7 @@ void OSystem_SDL::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, i
bool OSystem_SDL::showMouse(bool visible) {
return false;
}
void OSystem_SDL::closeOverlay() {
if (_overlayscreen) {
SDL_FreeSurface(_overlayscreen);