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kmsdrm: fix scaling for SDL_WINDOW_FULLSCREEN windows.

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This commit is contained in:
Manuel Alfayate Corchete 2020-09-07 00:18:13 +02:00
parent daa752b10e
commit 9501b1c698
1 changed files with 28 additions and 3 deletions
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31
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -876,7 +876,7 @@ KMSDRM_CreateSurfaces(_THIS, SDL_Window * window)
/* Destroy the surfaces and buffers before creating the new ones. */ /* Destroy the surfaces and buffers before creating the new ones. */
KMSDRM_DestroySurfaces(_this, window); KMSDRM_DestroySurfaces(_this, window);
if (window->flags & SDL_WINDOW_FULLSCREEN) { if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
width = dispdata->mode.hdisplay; width = dispdata->mode.hdisplay;
height = dispdata->mode.vdisplay; height = dispdata->mode.vdisplay;
} }
@ -962,7 +962,7 @@ KMSDRM_ReconfigureWindow( _THIS, SDL_Window * window) {
SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata; SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
float ratio; float ratio;
if (window->flags & SDL_WINDOW_FULLSCREEN) { if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
windata->src_w = dispdata->mode.hdisplay; windata->src_w = dispdata->mode.hdisplay;
windata->src_h = dispdata->mode.vdisplay; windata->src_h = dispdata->mode.vdisplay;
windata->output_w = dispdata->mode.hdisplay; windata->output_w = dispdata->mode.hdisplay;
@ -1329,12 +1329,37 @@ KMSDRM_VideoQuit(_THIS)
#endif #endif
} }
#if 0
void void
KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay * display) KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
{ {
/* Only one display mode available: the current one */ /* Only one display mode available: the current one */
SDL_AddDisplayMode(display, &display->current_mode); SDL_AddDisplayMode(display, &display->current_mode);
} }
#endif
/* We are NOT really changing the physical display mode, but using
the PRIMARY PLANE and CRTC to scale as we please. But we need that SDL
has knowledge of the video modes we are going to use for fullscreen
window sizes, even if we are faking their use. If not, SDL only considers
the in-use video mode as available, and sets every window to that size
before we get to CreateWindow or ReconfigureWindow. */
void
KMSDRM_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
{
SDL_DisplayData *dispdata = display->driverdata;
drmModeConnector *conn = dispdata->connector->connector;
SDL_DisplayMode mode;
for (int i = 0; i < conn->count_modes; i++) {
mode.w = conn->modes[i].hdisplay;
mode.h = conn->modes[i].vdisplay;
mode.refresh_rate = conn->modes[i].vrefresh;
mode.format = SDL_PIXELFORMAT_ARGB8888;
SDL_AddDisplayMode(display, &mode);
}
}
int int
KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode) KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
@ -1372,7 +1397,7 @@ KMSDRM_CreateWindow(_THIS, SDL_Window * window)
display = SDL_GetDisplayForWindow(window); display = SDL_GetDisplayForWindow(window);
dispdata = display->driverdata; dispdata = display->driverdata;
if (window->flags & SDL_WINDOW_FULLSCREEN) { if ((window->flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN_DESKTOP) {
windata->src_w = dispdata->mode.hdisplay; windata->src_w = dispdata->mode.hdisplay;
windata->src_h = dispdata->mode.vdisplay; windata->src_h = dispdata->mode.vdisplay;
windata->output_w = dispdata->mode.hdisplay; windata->output_w = dispdata->mode.hdisplay;