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| author | Patrik Dahlstrom | 2017-11-09 22:39:42 +0000 |
|---|---|---|
| committer | Thierry Crozat | 2017-11-10 19:56:28 +0000 |
| commit | bf85ad820c48da5e1820f56496817d36161ec61f (patch) | |
| tree | 099ac77f4b04a675fb345efdd4eee75dde823a79 /backends/graphics | |
| parent | 0ffbce5bb13738c58b69ea55a83c24cc973c2a6e (diff) | |
| download | scummvm-rg350-bf85ad820c48da5e1820f56496817d36161ec61f.tar.gz scummvm-rg350-bf85ad820c48da5e1820f56496817d36161ec61f.tar.bz2 scummvm-rg350-bf85ad820c48da5e1820f56496817d36161ec61f.zip | |
SDL: fix various OSD message artifacts
On the OpenPandora handheld, the OSD message would not render unless you
moved the cursor in the area where it was supposed to show.
Additionally, the OSD message was not transparent like in v1.8.
This commit fixes both these issues.
Diffstat (limited to 'backends/graphics')
| -rw-r--r-- | backends/graphics/surfacesdl/surfacesdl-graphics.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp index 262ea84096..90f9f7e1a1 100644 --- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp +++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp @@ -2293,6 +2293,11 @@ void SurfaceSdlGraphicsManager::displayMessageOnOSD(const char *msg) { // Init the OSD display parameters, and the fade out _osdMessageAlpha = SDL_ALPHA_TRANSPARENT + kOSDInitialAlpha * (SDL_ALPHA_OPAQUE - SDL_ALPHA_TRANSPARENT) / 100; _osdMessageFadeStartTime = SDL_GetTicks() + kOSDFadeOutDelay; + // Enable alpha blending + SDL_SetAlpha(_osdMessageSurface, SDL_RLEACCEL | SDL_SRCALPHA, _osdMessageAlpha); + + // Ensure a full redraw takes place next time the screen is updated + _forceRedraw = true; } SDL_Rect SurfaceSdlGraphicsManager::getOSDMessageRect() const { @@ -2381,7 +2386,7 @@ void SurfaceSdlGraphicsManager::updateOSD() { const int startAlpha = SDL_ALPHA_TRANSPARENT + kOSDInitialAlpha * (SDL_ALPHA_OPAQUE - SDL_ALPHA_TRANSPARENT) / 100; _osdMessageAlpha = startAlpha + diff * (SDL_ALPHA_TRANSPARENT - startAlpha) / kOSDFadeOutDuration; } - SDL_SetAlpha(_osdMessageSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, _osdMessageAlpha); + SDL_SetAlpha(_osdMessageSurface, SDL_RLEACCEL | SDL_SRCALPHA, _osdMessageAlpha); _forceRedraw = true; } |