diff options
| -rw-r--r-- | engines/wintermute/base/gfx/osystem/base_render_osystem.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp b/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp index ff63789d18..35918b8e90 100644 --- a/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp +++ b/engines/wintermute/base/gfx/osystem/base_render_osystem.cpp @@ -399,10 +399,23 @@ void BaseRenderOSystem::drawTickets() { return; } - // Apply the clear-color to the dirty rect. - _renderSurface->fillRect(*_dirtyRect, _clearColor); + it = _renderQueue.begin(); _lastFrameIter = _renderQueue.end(); - for (it = _renderQueue.begin(); it != _renderQueue.end(); ++it) { + // A special case: If the screen has one giant OPAQUE rect to be drawn, then we skip filling + // the background colour. Typical use-case: Fullscreen FMVs. + // Caveat: The FPS-counter will invalidate this. + if (it != _lastFrameIter && _renderQueue.front() == _renderQueue.back() && (*it)->_transform._alphaDisable == true) { + // If our single opaque rect fills the dirty rect, we can skip filling. + if (*_dirtyRect != (*it)->_dstRect) { + // Apply the clear-color to the dirty rect. + _renderSurface->fillRect(*_dirtyRect, _clearColor); + } + // Otherwise Do NOT fill. + } else { + // Apply the clear-color to the dirty rect. + _renderSurface->fillRect(*_dirtyRect, _clearColor); + } + for (; it != _renderQueue.end(); ++it) { RenderTicket *ticket = *it; if (ticket->_dstRect.intersects(*_dirtyRect)) { // dstClip is the area we want redrawn. |