mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-11 15:22:15 +00:00
Added ability to turn off hi-res backing surface rendering on Retina displays
High resolution backing surface is enabled by default and controlled via vid_hidpi CVAR When it is set to false one pixel per point scale is used
This commit is contained in:
alexey.lysiuk
parent
e60d181e87
commit
0fd84bc853
2 changed files with 111 additions and 51 deletions
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@ -86,13 +86,15 @@
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- (NSRect)convertRectToBacking:(NSRect)aRect;
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@end
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#endif // NSAppKitVersionNumber10_7
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#endif // !NSAppKitVersionNumber10_7
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// ---------------------------------------------------------------------------
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RenderBufferOptions rbOpts;
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EXTERN_CVAR(Bool, vid_hidpi)
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CVAR(Bool, use_mouse, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Bool, m_noprescale, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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CVAR(Bool, m_filter, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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@ -585,7 +587,7 @@ NSSize GetRealContentViewSize(const NSWindow* const window)
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// TODO: figure out why [NSView frame] returns different values in "fullscreen" and in window
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// In "fullscreen" the result is multiplied by [NSScreen backingScaleFactor], but not in window
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return (IsHiDPISupported() && NSNormalWindowLevel == [window level])
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return (vid_hidpi && NSNormalWindowLevel == [window level])
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? [view convertSizeToBacking:frameSize]
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: frameSize;
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}
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@ -842,8 +844,14 @@ void ProcessMouseWheelEvent(NSEvent* theEvent)
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@private
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FullscreenWindow* m_window;
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bool m_openGLInitialized;
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int m_multisample;
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int m_width;
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int m_height;
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bool m_fullscreen;
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bool m_hiDPI;
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bool m_openGLInitialized;
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}
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- (id)init;
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@ -864,7 +872,8 @@ void ProcessMouseWheelEvent(NSEvent* theEvent)
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- (int)multisample;
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- (void)setMultisample:(int)multisample;
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- (void)changeVideoResolution:(bool)fullscreen width:(int)width height:(int)height;
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- (void)changeVideoResolution:(bool)fullscreen width:(int)width height:(int)height useHiDPI:(bool)hiDPI;
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- (void)useHiDPI:(bool)hiDPI;
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- (void)processEvents:(NSTimer*)timer;
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@ -884,9 +893,15 @@ static ApplicationDelegate* s_applicationDelegate;
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{
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self = [super init];
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m_openGLInitialized = false;
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m_multisample = 0;
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m_width = -1;
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m_height = -1;
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m_fullscreen = false;
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m_hiDPI = false;
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m_openGLInitialized = false;
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return self;
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}
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@ -1052,35 +1067,30 @@ static ApplicationDelegate* s_applicationDelegate;
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pixelFormat:pixelFormat];
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[[glView openGLContext] makeCurrentContext];
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if (IsHiDPISupported())
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{
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[glView setWantsBestResolutionOpenGLSurface:YES];
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}
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[m_window setContentView:glView];
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m_openGLInitialized = true;
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}
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- (void)fullscreenWithWidth:(int)width height:(int)height
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- (void)switchToFullscreen
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{
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NSScreen* screen = [m_window screen];
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const NSRect screenFrame = [screen frame];
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const NSRect displayRect = IsHiDPISupported()
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const NSRect displayRect = vid_hidpi
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? [screen convertRectToBacking:screenFrame]
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: screenFrame;
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const float displayWidth = displayRect.size.width;
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const float displayHeight = displayRect.size.height;
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const float pixelScaleFactorX = displayWidth / static_cast< float >(width );
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const float pixelScaleFactorY = displayHeight / static_cast< float >(height);
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const float pixelScaleFactorX = displayWidth / static_cast<float>(m_width );
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const float pixelScaleFactorY = displayHeight / static_cast<float>(m_height);
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rbOpts.pixelScale = std::min(pixelScaleFactorX, pixelScaleFactorY);
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rbOpts.width = width * rbOpts.pixelScale;
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rbOpts.height = height * rbOpts.pixelScale;
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rbOpts.width = m_width * rbOpts.pixelScale;
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rbOpts.height = m_height * rbOpts.pixelScale;
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rbOpts.shiftX = (displayWidth - rbOpts.width ) / 2.0f;
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rbOpts.shiftY = (displayHeight - rbOpts.height) / 2.0f;
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@ -1092,18 +1102,18 @@ static ApplicationDelegate* s_applicationDelegate;
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[m_window setFrameOrigin:NSMakePoint(0.0f, 0.0f)];
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}
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- (void)windowedWithWidth:(int)width height:(int)height
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- (void)switchToWindowed
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{
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rbOpts.pixelScale = 1.0f;
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rbOpts.width = static_cast< float >(width );
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rbOpts.height = static_cast< float >(height);
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rbOpts.width = static_cast<float>(m_width );
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rbOpts.height = static_cast<float>(m_height);
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rbOpts.shiftX = 0.0f;
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rbOpts.shiftY = 0.0f;
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const NSSize windowPixelSize = NSMakeSize(width, height);
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const NSSize windowSize = IsHiDPISupported()
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const NSSize windowPixelSize = NSMakeSize(m_width, m_height);
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const NSSize windowSize = vid_hidpi
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? [[m_window contentView] convertSizeFromBacking:windowPixelSize]
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: windowPixelSize;
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@ -1114,19 +1124,40 @@ static ApplicationDelegate* s_applicationDelegate;
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[m_window center];
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}
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- (void)changeVideoResolution:(bool)fullscreen width:(int)width height:(int)height
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- (void)changeVideoResolution:(bool)fullscreen width:(int)width height:(int)height useHiDPI:(bool)hiDPI
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{
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if (fullscreen == m_fullscreen
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&& width == m_width
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&& height == m_height
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&& hiDPI == m_hiDPI)
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{
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return;
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}
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m_fullscreen = fullscreen;
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m_width = width;
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m_height = height;
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m_hiDPI = hiDPI;
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[self initializeOpenGL];
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if (fullscreen)
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if (IsHiDPISupported())
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{
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[self fullscreenWithWidth:width height:height];
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NSOpenGLView* const glView = [m_window contentView];
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[glView setWantsBestResolutionOpenGLSurface:m_hiDPI];
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}
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if (m_fullscreen)
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{
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[self switchToFullscreen];
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}
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else
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{
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[self windowedWithWidth:width height:height];
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[self switchToWindowed];
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}
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rbOpts.dirty = true;
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const NSSize viewSize = GetRealContentViewSize(m_window);
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glViewport(0, 0, viewSize.width, viewSize.height);
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@ -1145,6 +1176,19 @@ static ApplicationDelegate* s_applicationDelegate;
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}
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}
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- (void)useHiDPI:(bool)hiDPI
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{
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if (!m_openGLInitialized)
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{
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return;
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}
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[self changeVideoResolution:m_fullscreen
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width:m_width
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height:m_height
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useHiDPI:hiDPI];
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}
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- (void)processEvents:(NSTimer*)timer
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{
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@ -1230,6 +1274,22 @@ static ApplicationDelegate* s_applicationDelegate;
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// ---------------------------------------------------------------------------
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CUSTOM_CVAR(Bool, vid_hidpi, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
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{
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if (IsHiDPISupported())
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{
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[s_applicationDelegate useHiDPI:self];
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}
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else if (0 != self)
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{
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self = 0;
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}
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}
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// ---------------------------------------------------------------------------
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void I_SetMainWindowVisible(bool visible)
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{
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[s_applicationDelegate setMainWindowVisible:visible];
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@ -1508,7 +1568,10 @@ static SDL_PixelFormat* GetPixelFormat()
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SDL_Surface* SDL_SetVideoMode(int width, int height, int, Uint32 flags)
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{
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[s_applicationDelegate changeVideoResolution:(SDL_FULLSCREEN & flags) width:width height:height];
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[s_applicationDelegate changeVideoResolution:(SDL_FULLSCREEN & flags)
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width:width
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height:height
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useHiDPI:vid_hidpi];
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static SDL_Surface result;
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@ -1554,21 +1617,6 @@ void SDL_WM_SetCaption(const char* title, const char* icon)
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// Window title is set in SDL_SetVideoMode()
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}
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static void ResetSoftwareViewport()
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{
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// For an unknown reason the following call to glClear() is needed
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// to avoid drawing of garbage in fullscreen mode
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// when game video resolution's aspect ratio is different from display one
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GLint viewport[2];
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glGetIntegerv(GL_MAX_VIEWPORT_DIMS, viewport);
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glViewport(0, 0, viewport[0], viewport[1]);
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glClear(GL_COLOR_BUFFER_BIT);
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glViewport(rbOpts.shiftX, rbOpts.shiftY, rbOpts.width, rbOpts.height);
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}
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int SDL_WM_ToggleFullScreen(SDL_Surface* surface)
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{
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if (surface->flags & SDL_FULLSCREEN)
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@ -1582,8 +1630,8 @@ int SDL_WM_ToggleFullScreen(SDL_Surface* surface)
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[s_applicationDelegate changeVideoResolution:(SDL_FULLSCREEN & surface->flags)
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width:surface->w
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height:surface->h];
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ResetSoftwareViewport();
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height:surface->h
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useHiDPI:vid_hidpi];
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return 1;
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}
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@ -1638,8 +1686,6 @@ static void SetupSoftwareRendering(SDL_Surface* screen)
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glLoadIdentity();
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glOrtho(0.0, screen->w, screen->h, 0.0, -1.0, 1.0);
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ResetSoftwareViewport();
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glEnable(GL_TEXTURE_2D);
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glGenTextures(1, &s_frameBufferTexture);
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@ -1661,6 +1707,18 @@ int SDL_Flip(SDL_Surface* screen)
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SetupSoftwareRendering(screen);
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}
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if (rbOpts.dirty)
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{
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glViewport(rbOpts.shiftX, rbOpts.shiftY, rbOpts.width, rbOpts.height);
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// TODO: Figure out why the following glClear() call is needed
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// to avoid drawing of garbage in fullscreen mode when
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// in-game's aspect ratio is different from display one
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glClear(GL_COLOR_BUFFER_BIT);
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rbOpts.dirty = false;
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}
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const int width = screen->w;
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const int height = screen->h;
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@ -43,6 +43,8 @@ struct RenderBufferOptions
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float width;
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float height;
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bool dirty;
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};
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extern RenderBufferOptions rbOpts;
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