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author | Ludvig Strigeus | 2002-04-15 17:45:52 +0000 |
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committer | Ludvig Strigeus | 2002-04-15 17:45:52 +0000 |
commit | d263f7eb733646865d8f69197720634ae01b8039 (patch) | |
tree | 9aef3feb47bf899b354717e55d9d66a04a23c01c /sdl.cpp | |
parent | 4c95478ccb9b7d4dd6ad3aa6a1af432907fefefa (diff) | |
download | scummvm-rg350-d263f7eb733646865d8f69197720634ae01b8039.tar.gz scummvm-rg350-d263f7eb733646865d8f69197720634ae01b8039.tar.bz2 scummvm-rg350-d263f7eb733646865d8f69197720634ae01b8039.zip |
removed mouse cursor flicker
svn-id: r3945
Diffstat (limited to 'sdl.cpp')
-rw-r--r-- | sdl.cpp | 56 |
1 files changed, 30 insertions, 26 deletions
@@ -119,13 +119,12 @@ private: MousePos _ms_old; int16 _ms_hotspot_x; int16 _ms_hotspot_y; - int _current_shake_pos; - TwoXSaiProc *_sai_func; - SDL_Color *_cur_pal; + uint _palette_changed_first, _palette_changed_last; + void add_dirty_rgn_auto(const byte *buf); void mk_checksums(const byte *buf); @@ -190,9 +189,11 @@ void OSystem_SDL::set_palette(const byte *colors, uint start, uint num) { b += 4; } - if (_mode_flags & DF_FORCE_FULL_ON_PALETTE) - force_full = true; - SDL_SetColors(sdl_screen, base, start, num); + if (start < _palette_changed_first) + _palette_changed_first = start; + + if (start + num > _palette_changed_last) + _palette_changed_last = start + num; } void OSystem_SDL::load_gfx_mode() { @@ -214,15 +215,13 @@ void OSystem_SDL::load_gfx_mode() { break; case GFX_DOUBLESIZE: - if (_full_screen) { - warning("full screen in useless in doublesize mode, reverting to normal mode"); - goto normal_mode; - } scaling = 2; _internal_scaling = 2; _mode_flags = DF_WANT_RECT_OPTIM; - sdl_hwscreen = sdl_screen = SDL_SetVideoMode(640, 400, 8, SDL_SWSURFACE); + sdl_hwscreen = sdl_screen = SDL_SetVideoMode(640, 400, 8, + _full_screen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE + ); if (sdl_screen == NULL) error("sdl_screen failed"); break; @@ -320,7 +319,6 @@ void OSystem_SDL::copy_rect(const byte *buf, int pitch, int x, int y, int w, int /* Special, optimized case for full screen updates. * It tries to determine what areas were actually changed, * and just updates those, on the actual display. */ - add_dirty_rgn_auto(buf); } else { /* Clip the coordinates */ @@ -332,15 +330,14 @@ void OSystem_SDL::copy_rect(const byte *buf, int pitch, int x, int y, int w, int if (w<=0 || h<=0) return; - /* FIXME: undraw mouse only if the draw rect intersects with the mouse rect */ - if (_mouse_drawn) - undraw_mouse(); - cksum_valid = false; - add_dirty_rect(x, y, w, h); } + /* FIXME: undraw mouse only if the draw rect intersects with the mouse rect */ + if (_mouse_drawn) + undraw_mouse(); + if (SDL_LockSurface(sdl_screen) == -1) error("SDL_LockSurface failed: %s.\n", SDL_GetError()); @@ -461,9 +458,6 @@ void OSystem_SDL::mk_checksums(const byte *buf) { void OSystem_SDL::add_dirty_rgn_auto(const byte *buf) { - if (_mouse_drawn) - undraw_mouse(); - /* generate a table of the checksums */ mk_checksums(buf); @@ -508,6 +502,18 @@ void OSystem_SDL::update_screen() { /* First make sure the mouse is drawn, if it should be drawn. */ draw_mouse(); + + if (_palette_changed_last != 0) { + SDL_SetColors(sdl_screen, _cur_pal + _palette_changed_first, + _palette_changed_first, + _palette_changed_last - _palette_changed_first); + + _palette_changed_last = 0; + + if (_mode_flags & DF_FORCE_FULL_ON_PALETTE) + force_full = true; + } + /* force a full redraw, accomplish that by adding one big rect to the dirty * rect list */ if (force_full) { @@ -516,9 +522,10 @@ void OSystem_SDL::update_screen() { add_dirty_rect(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT); } + if (num_dirty_rects == 0 || sdl_hwscreen == NULL) return; - + if (_mode_flags & DF_2xSAI) { SDL_Rect *r; uint32 area = 0; @@ -552,16 +559,13 @@ void OSystem_SDL::update_screen() { SDL_UnlockSurface(sdl_tmpscreen); SDL_UnlockSurface(sdl_hwscreen); - /* Call SDL update on the affected regions */ - SDL_UpdateRects(sdl_hwscreen, num_dirty_rects, dirty_rect_list); #ifdef WIN32 if (GetAsyncKeyState(VK_SHIFT)<0) printf("Update area %d pixels. %d%%\n", area, (area+(320*2)/2) / (320*2)); #endif - } else { - /* Call SDL update on the affected regions */ - SDL_UpdateRects(sdl_hwscreen, num_dirty_rects, dirty_rect_list); } + + SDL_UpdateRects(sdl_hwscreen, num_dirty_rects, dirty_rect_list); num_dirty_rects = 0; } |