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[KMSDRM] Improve cursor management.

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This commit is contained in:
vanfanel 2021-03-22 18:00:41 +01:00 committed by Sam Lantinga
parent 3f40396d33
commit 100166d7d7
3 changed files with 17 additions and 44 deletions
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26
src/video/kmsdrm/SDL_kmsdrmmouse.c
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@ -341,24 +341,6 @@ cleanup:
return ret;
}
/* When we create a window, we have to test if we have to show the cursor,
and explicily do so if necessary.
This is because when we destroy a window, we take the cursor away from the
cursor plane, and destroy the cusror GBM BO. So we have to re-show it,
so to say. */
void
KMSDRM_InitCursor()
{
SDL_Mouse *mouse = SDL_GetMouse();
if (!mouse || !mouse->cur_cursor || !mouse->cursor_shown) {
return;
}
/* Re-dump cursor buffer to the GBM BO of the focused window display. */
KMSDRM_ShowCursor(mouse->cur_cursor);
}
/* Show the specified cursor, or hide if cursor is NULL or has no focus. */
static int
KMSDRM_ShowCursor(SDL_Cursor * cursor)
@ -477,8 +459,12 @@ KMSDRM_InitMouse(_THIS, SDL_VideoDisplay *display)
mouse->WarpMouse = KMSDRM_WarpMouse;
mouse->WarpMouseGlobal = KMSDRM_WarpMouseGlobal;
SDL_SetDefaultCursor(KMSDRM_CreateDefaultCursor());
dispdata->set_default_cursor_pending = SDL_FALSE;
/* Only create the default cursor for this display if we haven't done so before,
we don't want several cursors to be created for the same display. */
if (!dispdata->default_cursor_init) {
SDL_SetDefaultCursor(KMSDRM_CreateDefaultCursor());
dispdata->default_cursor_init = SDL_TRUE;
}
}
void

33
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -540,7 +540,7 @@ void KMSDRM_AddDisplay (_THIS, drmModeConnector *connector, drmModeRes *resource
if the display used by the window already has a default cursor or not.
If we don't, new default cursors would stack up on mouse->cursors and SDL
would have to hide and delete them at quit, not to mention the memory leak... */
dispdata->set_default_cursor_pending = SDL_TRUE;
dispdata->default_cursor_init = SDL_FALSE;
/* Try to find the connector's current encoder */
for (i = 0; i < resources->count_encoders; i++) {
@ -1081,7 +1081,7 @@ KMSDRM_DestroyWindow(_THIS, SDL_Window *window)
if ( !is_vulkan && viddata->gbm_init) {
/* Destroy the window display's cursor GBM BO. */
/* Destroy cursor GBM BO of the display of this window. */
KMSDRM_DestroyCursorBO(_this, SDL_GetDisplayForWindow(window));
/* Destroy GBM surface and buffers. */
@ -1207,27 +1207,13 @@ KMSDRM_CreateWindow(_THIS, SDL_Window * window)
}
/* Init the cursor stuff for the window display, but ONLY if we haven't done so
on this display before. */
if (!dispdata->set_default_cursor_pending) {
/* Create the cursor BO for the display of this window,
now that we know this is not a VK window. */
KMSDRM_CreateCursorBO(display);
/* Create the cursor BO for the display of this window,
now that we know this is not a VK window. */
KMSDRM_CreateCursorBO(display);
/* Create and set the default cursor now that we know
this is not a VK window. */
KMSDRM_InitMouse(_this, display);
/* When we destroy a window, we remove the cursor buffer from
the cursor plane and destroy the cursor GBM BO, but SDL expects
that we keep showing the visible cursors bewteen window
destruction/creation cycles. So we must manually re-show the
visible cursors, if necessary, when we create a window. */
KMSDRM_InitCursor();
dispdata->set_default_cursor_pending = SDL_TRUE;
}
/* Create and set the default cursor for the display
of this window, now that we know this is not a VK window. */
KMSDRM_InitMouse(_this, display);
/* The FULLSCREEN flags are cut out from window->flags at this point,
so we can't know if a window is fullscreen or not, hence all windows
@ -1283,7 +1269,8 @@ KMSDRM_CreateWindow(_THIS, SDL_Window * window)
/* If we have just created a Vulkan window, establish that we are in Vulkan mode now. */
viddata->vulkan_mode = is_vulkan;
/* Focus on the newly created window */
/* Focus on the newly created window.
SDL_SetMouseFocus() also takes care of calling KMSDRM_ShowCursor() if necessary. */
SDL_SetMouseFocus(window);
SDL_SetKeyboardFocus(window);

2
src/video/kmsdrm/SDL_kmsdrmvideo.h
View File

@ -79,7 +79,7 @@ typedef struct SDL_DisplayData
struct gbm_bo *cursor_bo;
uint64_t cursor_w, cursor_h;
SDL_bool set_default_cursor_pending;
SDL_bool default_cursor_init;
SDL_bool modeset_pending;
} SDL_DisplayData;