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Merge branch 'cherry-pick-b3db3875' into 'master'

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Merge branch '4771-and-4631' into 'master'

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This commit is contained in:
psi29a 2020-09-20 12:35:44 +00:00
commit 86c6d9b1b5
3 changed files with 83 additions and 44 deletions
CHANGELOG.md
apps/openmw
engine.cpp
components/sdlutil
sdlgraphicswindow.cpp

1
CHANGELOG.md

@ -10,6 +10,7 @@
Bug #4021: Attributes and skills are not stored as floats
Bug #4055: Local scripts don't inherit variables from their base record
Bug #4623: Corprus implementation is incorrect
Bug #4631: Setting MSAA level too high doesn't fall back to highest supported level
Bug #4764: Data race in osg ParticleSystem
Bug #4774: Guards are ignorant of an invisible player that tries to attack them
Bug #5108: Savegame bloating due to inefficient fog textures format

103
apps/openmw/engine.cpp

@ -525,65 +525,80 @@ void OMW::Engine::createWindow(Settings::Manager& settings)
checkSDLError(SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, antialiasing));
}
while (!mWindow)
osg::ref_ptr<SDLUtil::GraphicsWindowSDL2> graphicsWindow;
while (!graphicsWindow || !graphicsWindow->valid())
{
mWindow = SDL_CreateWindow("OpenMW", pos_x, pos_y, width, height, flags);
if (!mWindow)
while (!mWindow)
{
// Try with a lower AA
if (antialiasing > 0)
mWindow = SDL_CreateWindow("OpenMW", pos_x, pos_y, width, height, flags);
if (!mWindow)
{
Log(Debug::Warning) << "Warning: " << antialiasing << "x antialiasing not supported, trying " << antialiasing/2;
antialiasing /= 2;
Settings::Manager::setInt("antialiasing", "Video", antialiasing);
checkSDLError(SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, antialiasing));
continue;
}
else
{
std::stringstream error;
error << "Failed to create SDL window: " << SDL_GetError();
throw std::runtime_error(error.str());
// Try with a lower AA
if (antialiasing > 0)
{
Log(Debug::Warning) << "Warning: " << antialiasing << "x antialiasing not supported, trying " << antialiasing/2;
antialiasing /= 2;
Settings::Manager::setInt("antialiasing", "Video", antialiasing);
checkSDLError(SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, antialiasing));
continue;
}
else
{
std::stringstream error;
error << "Failed to create SDL window: " << SDL_GetError();
throw std::runtime_error(error.str());
}
}
}
setWindowIcon();
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
SDL_GetWindowPosition(mWindow, &traits->x, &traits->y);
SDL_GetWindowSize(mWindow, &traits->width, &traits->height);
traits->windowName = SDL_GetWindowTitle(mWindow);
traits->windowDecoration = !(SDL_GetWindowFlags(mWindow)&SDL_WINDOW_BORDERLESS);
traits->screenNum = SDL_GetWindowDisplayIndex(mWindow);
traits->vsync = vsync;
traits->inheritedWindowData = new SDLUtil::GraphicsWindowSDL2::WindowData(mWindow);
graphicsWindow = new SDLUtil::GraphicsWindowSDL2(traits);
if (!graphicsWindow->valid()) throw std::runtime_error("Failed to create GraphicsContext");
if (traits->samples < antialiasing)
{
Log(Debug::Warning) << "Warning: Framebuffer MSAA level is only " << traits->samples << "x instead of " << antialiasing << "x. Trying " << antialiasing / 2 << "x instead.";
graphicsWindow->closeImplementation();
SDL_DestroyWindow(mWindow);
mWindow = nullptr;
antialiasing /= 2;
Settings::Manager::setInt("antialiasing", "Video", antialiasing);
checkSDLError(SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, antialiasing));
continue;
}
if (traits->red < 8)
Log(Debug::Warning) << "Warning: Framebuffer only has a " << traits->red << " bit red channel.";
if (traits->green < 8)
Log(Debug::Warning) << "Warning: Framebuffer only has a " << traits->green << " bit green channel.";
if (traits->blue < 8)
Log(Debug::Warning) << "Warning: Framebuffer only has a " << traits->blue << " bit blue channel.";
if (traits->depth < 8)
Log(Debug::Warning) << "Warning: Framebuffer only has " << traits->red << " bits of depth precision.";
traits->alpha = 0; // set to 0 to stop ScreenCaptureHandler reading the alpha channel
}
setWindowIcon();
osg::ref_ptr<osg::GraphicsContext::Traits> traits = new osg::GraphicsContext::Traits;
SDL_GetWindowPosition(mWindow, &traits->x, &traits->y);
SDL_GetWindowSize(mWindow, &traits->width, &traits->height);
traits->windowName = SDL_GetWindowTitle(mWindow);
traits->windowDecoration = !(SDL_GetWindowFlags(mWindow)&SDL_WINDOW_BORDERLESS);
traits->screenNum = SDL_GetWindowDisplayIndex(mWindow);
// We tried to get rid of the hardcoding but failed: https://github.com/OpenMW/openmw/pull/1771
// Here goes kcat's quote:
// It's ultimately a chicken and egg problem, and the reason why the code is like it was in the first place.
// It needs a context to get the current attributes, but it needs the attributes to set up the context.
// So it just specifies the same values that were given to SDL in the hopes that it's good enough to what the window eventually gets.
traits->red = 8;
traits->green = 8;
traits->blue = 8;
traits->alpha = 0; // set to 0 to stop ScreenCaptureHandler reading the alpha channel
traits->depth = 24;
traits->stencil = 8;
traits->vsync = vsync;
traits->doubleBuffer = true;
traits->inheritedWindowData = new SDLUtil::GraphicsWindowSDL2::WindowData(mWindow);
osg::ref_ptr<SDLUtil::GraphicsWindowSDL2> graphicsWindow = new SDLUtil::GraphicsWindowSDL2(traits);
if(!graphicsWindow->valid()) throw std::runtime_error("Failed to create GraphicsContext");
osg::ref_ptr<osg::Camera> camera = mViewer->getCamera();
camera->setGraphicsContext(graphicsWindow);
camera->setViewport(0, 0, traits->width, traits->height);
camera->setViewport(0, 0, graphicsWindow->getTraits()->width, graphicsWindow->getTraits()->height);
if (Debug::shouldDebugOpenGL())
mViewer->setRealizeOperation(new Debug::EnableGLDebugOperation());
mViewer->realize();
mViewer->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, traits->width, traits->height);
mViewer->getEventQueue()->getCurrentEventState()->setWindowRectangle(0, 0, graphicsWindow->getTraits()->width, graphicsWindow->getTraits()->height);
}
void OMW::Engine::setWindowIcon()

23
components/sdlutil/sdlgraphicswindow.cpp

@ -118,6 +118,29 @@ void GraphicsWindowSDL2::init()
setSwapInterval(_traits->vsync);
// Update traits with what we've actually been given
// Use intermediate to avoid signed/unsigned mismatch
int intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &intermediateLocation);
_traits->red = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &intermediateLocation);
_traits->green = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &intermediateLocation);
_traits->blue = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_ALPHA_SIZE, &intermediateLocation);
_traits->alpha = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &intermediateLocation);
_traits->depth = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_STENCIL_SIZE, &intermediateLocation);
_traits->stencil = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_DOUBLEBUFFER, &intermediateLocation);
_traits->doubleBuffer = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &intermediateLocation);
_traits->sampleBuffers = intermediateLocation;
SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &intermediateLocation);
_traits->samples = intermediateLocation;
SDL_GL_MakeCurrent(oldWin, oldCtx);
mValid = true;