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kmsdrm: Apply window reconfiguration in SetWindowSize(), too.

This commit is contained in:
Manuel Alfayate Corchete 2020-08-28 23:04:00 +02:00
parent 31b1794534
commit c09d1cee95
1 changed files with 40 additions and 29 deletions
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69
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -848,6 +848,39 @@ KMSDRM_CreateSurfaces(_THIS, SDL_Window * window)
return 0; return 0;
} }
/*****************************************************************************/
/* Reconfigure the window scaling parameters and re-construct it's surfaces, */
/* without destroying the window itself. */
/* To be used by SetWindowSize() and SetWindowFullscreen(). */
/*****************************************************************************/
static void
KMSDRM_ReconfigureWindow( _THIS, SDL_Window * window) {
SDL_WindowData *windata = window->driverdata;
SDL_DisplayData *dispdata = (SDL_DisplayData *) SDL_GetDisplayForWindow(window)->driverdata;
float ratio;
KMSDRM_SetPendingSurfacesDestruction(_this, window);
if (window->flags & SDL_WINDOW_FULLSCREEN ) {
/* Windows only have one possible size in fullscreen mode. */
window->w = dispdata->mode.hdisplay;
window->h = dispdata->mode.vdisplay;
windata->output_w = dispdata->mode.hdisplay;
windata->output_h = dispdata->mode.vdisplay;
windata->output_x = 0;
} else {
/* Get output (CRTC) size and position, for AR correction. */
ratio = (float)window->w / (float)window->h;
windata->output_w = dispdata->mode.vdisplay * ratio;
windata->output_h = dispdata->mode.vdisplay;
windata->output_x = (dispdata->mode.hdisplay - windata->output_w) / 2;
}
if (KMSDRM_CreateSurfaces(_this, window)) {
SDL_SetError("Can't recreate surfaces on window reconfiguration.");
}
}
int int
KMSDRM_VideoInit(_THIS) KMSDRM_VideoInit(_THIS)
{ {
@ -1274,9 +1307,9 @@ KMSDRM_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{ {
/************************************************************************/ /************************************************************************/
/* DO NOT add dynamic videomode changes. It makes NO SENSE since the */ /* DO NOT add dynamic videomode changes. It makes NO SENSE since the */
/* PRIMARY PLANE and the CRTC reading it can be used to scale image, */ /* PRIMARY PLANE and the CRTC can be used to scale image, so any window */
/* so any window will appear fullscren with AR correction with NO extra */ /* will appear fullscren with AR correction with NO extra video memory */
/* video memory bandwidth usage. */ /* bandwidth usage. */
/************************************************************************/ /************************************************************************/
return 0; return 0;
@ -1410,39 +1443,17 @@ void
KMSDRM_SetWindowPosition(_THIS, SDL_Window * window) KMSDRM_SetWindowPosition(_THIS, SDL_Window * window)
{ {
} }
void void
KMSDRM_SetWindowSize(_THIS, SDL_Window * window) KMSDRM_SetWindowSize(_THIS, SDL_Window * window)
{ {
KMSDRM_ReconfigureWindow(_this, window);
} }
void void
KMSDRM_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen) KMSDRM_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen)
{ {
KMSDRM_ReconfigureWindow(_this, window);
SDL_WindowData *windata = window->driverdata;
SDL_DisplayData *dispdata = display->driverdata;
float ratio;
KMSDRM_SetPendingSurfacesDestruction(_this, window);
if (fullscreen) {
/* Windows only have one possible size in fullscreen mode. */
window->w = dispdata->mode.hdisplay;
window->h = dispdata->mode.vdisplay;
windata->output_w = dispdata->mode.hdisplay;
windata->output_h = dispdata->mode.vdisplay;
windata->output_x = 0;
} else {
/* Get output (CRTC) size and position, for AR correction. */
ratio = (float)window->w / (float)window->h;
windata->output_w = dispdata->mode.vdisplay * ratio;
windata->output_h = dispdata->mode.vdisplay;
windata->output_x = (dispdata->mode.hdisplay - windata->output_w) / 2;
}
if (KMSDRM_CreateSurfaces(_this, window)) {
SDL_SetError("Can't recreate window surfaces on SetWindowFullscreen.");
}
} }
void void
KMSDRM_ShowWindow(_THIS, SDL_Window * window) KMSDRM_ShowWindow(_THIS, SDL_Window * window)