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Merge pull request #498 from josephcsible/get_display_modes_debug

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Fix #496: Log why get_display_modes needs to use fallback values
This commit is contained in:
Zeno Rogue
2026-02-22 13:47:08 +01:00
committed by GitHub
parent c0dab04813 330ba75889
commit 1bd6d1c6bc
1 changed files with 19 additions and 3 deletions
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22
config.cpp
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@@ -1075,8 +1075,18 @@ EX vector<int> get_display_modes(char which) {
#if SDLVER >= 2
SDL_DisplayMode mode;
for(int m=0; m<SDL_GetNumVideoDisplays(); m++) {
for(int i=0; i<SDL_GetNumDisplayModes(m); i++) {
int num_video_displays = SDL_GetNumVideoDisplays();
if(num_video_displays < 0)
println(hlog, "SDL_GetNumVideoDisplays error: ", SDL_GetError());
else if(num_video_displays == 0)
println(hlog, "SDL_GetNumVideoDisplays returned 0");
for(int m=0; m<num_video_displays; m++) {
int num_display_modes = SDL_GetNumDisplayModes(m);
if(num_display_modes < 0)
println(hlog, "SDL_GetNumDisplayModes(", m, ") error: ", SDL_GetError());
else if(num_display_modes == 0)
println(hlog, "SDL_GetNumDisplayModes(", m, ") returned 0");
for(int i=0; i<num_display_modes; i++) {
SDL_GetDisplayMode(m, i, &mode);
if(which == 'x') seen.insert(mode.w);
if(which == 'y') seen.insert(mode.h);
@@ -1085,7 +1095,13 @@ EX vector<int> get_display_modes(char which) {
#else
SDL_Rect **modes = SDL_ListModes(nullptr, 0);
if(modes && modes != (SDL_Rect**)-1) for(int i=0; modes[i]; i++) {
if(!modes)
println(hlog, "SDL_ListModes: No modes available!");
else if(modes == (SDL_Rect**)-1)
println(hlog, "SDL_ListModes: All resolutions available.");
else if(!*modes)
println(hlog, "SDL_ListModes returned an empty array");
else for(int i=0; modes[i]; i++) {
if(which == 'x') seen.insert(modes[i]->w);
if(which == 'y') seen.insert(modes[i]->h);
}