libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-01-08 02:42:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

BACKENDS: OPENGLSDL: Always use drawable size when resizing window

Browse Source 
This corrects situations in SDL2 where the window size is not
the same as the drawable size, leading to incorrect rendering.
This commit is contained in:
SupSuper 2021-04-12 08:43:04 +01:00 committed by Eugene Sandulenko
parent 0988da526d
commit 8fba77eefa
1 changed files with 5 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
backends/graphics/openglsdl/openglsdl-graphics.cpp
View File

@ -289,10 +289,10 @@ void OpenGLSdlGraphicsManager::updateScreen() {
void OpenGLSdlGraphicsManager::notifyVideoExpose() {
}
void OpenGLSdlGraphicsManager::notifyResize(const int w, const int h) {
void OpenGLSdlGraphicsManager::notifyResize(const int width, const int height) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
// We sometime get outdated resize events from SDL2. So check that the size we get
// is the actual current window size. If not ignore the resize.
// We sometime get inaccurate resize events from SDL2. So use the real drawable size
// we get from SDL2 and ignore the event data.
// The issue for example occurs when switching from fullscreen to windowed mode or
// when switching between different fullscreen resolutions because SDL_DestroyWindow
// for a fullscreen window that doesn't have the SDL_WINDOW_FULLSCREEN_DESKTOP flag
@ -302,20 +302,16 @@ void OpenGLSdlGraphicsManager::notifyResize(const int w, const int h) {
getWindowSizeFromSdl(&currentWidth, &currentHeight);
uint scale;
getDpiScalingFactor(&scale);
int width = w * scale;
int height = h * scale;
debug(3, "req: %d x %d cur: %d x %d, scale: %d", width, height, currentWidth, currentHeight, scale);
if (width != currentWidth || height != currentHeight)
return;
handleResize(width, height);
handleResize(currentWidth, currentHeight);
#else
if (!_ignoreResizeEvents && _hwScreen && !(_hwScreen->flags & SDL_FULLSCREEN)) {
// We save that we handled a resize event here. We need to know this
// so we do not overwrite the users requested window size whenever we
// switch aspect ratio or similar.
_gotResize = true;
if (!setupMode(w, h)) {
if (!setupMode(width, height)) {
warning("OpenGLSdlGraphicsManager::notifyResize: Resize failed ('%s')", SDL_GetError());
g_system->quit();
}