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wayland: Fix transform and scale handling when setting display mode

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This commit is contained in:
Sebastian Krzyszkowiak 2021-01-31 19:06:37 -08:00
parent 2c76433151
commit 3ae2ec34fa
2 changed files with 23 additions and 10 deletions
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32
src/video/wayland/SDL_waylandvideo.c
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@ -247,6 +247,7 @@ display_handle_geometry(void *data,
SDL_VideoDisplay *display = data;
display->name = SDL_strdup(model);
((SDL_WaylandOutputData*)display->driverdata)->transform = transform;
}
static void
@ -259,18 +260,12 @@ display_handle_mode(void *data,
{
SDL_DisplayMode mode;
SDL_VideoDisplay *display = data;
SDL_zero(mode);
mode.format = SDL_PIXELFORMAT_RGB888;
mode.w = width;
mode.h = height;
mode.refresh_rate = refresh / 1000; // mHz to Hz
mode.driverdata = ((SDL_WaylandOutputData*)display->driverdata)->output;
SDL_AddDisplayMode(display, &mode);
SDL_WaylandOutputData* driverdata = display->driverdata;
if (flags & WL_OUTPUT_MODE_CURRENT) {
display->current_mode = mode;
display->desktop_mode = mode;
driverdata->width = width;
driverdata->height = height;
driverdata->refresh = refresh;
}
}
@ -280,6 +275,23 @@ display_handle_done(void *data,
{
/* !!! FIXME: this will fail on any further property changes! */
SDL_VideoDisplay *display = data;
SDL_WaylandOutputData* driverdata = display->driverdata;
SDL_DisplayMode mode;
SDL_zero(mode);
mode.format = SDL_PIXELFORMAT_RGB888;
mode.w = driverdata->width / driverdata->scale_factor;
mode.h = driverdata->height / driverdata->scale_factor;
if (driverdata->transform & WL_OUTPUT_TRANSFORM_90) {
mode.w = driverdata->height / driverdata->scale_factor;
mode.h = driverdata->width / driverdata->scale_factor;
}
mode.refresh_rate = driverdata->refresh / 1000; // mHz to Hz
mode.driverdata = driverdata->output;
SDL_AddDisplayMode(display, &mode);
display->current_mode = mode;
display->desktop_mode = mode;
SDL_AddVideoDisplay(display, SDL_FALSE);
wl_output_set_user_data(output, display->driverdata);
SDL_free(display->name);

1
src/video/wayland/SDL_waylandvideo.h
View file

@ -90,6 +90,7 @@ typedef struct {
typedef struct {
struct wl_output *output;
float scale_factor;
int width, height, refresh, transform;
} SDL_WaylandOutputData;
#endif /* SDL_waylandvideo_h_ */