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hw/modesetting: Add drmmode_get_cursor_limit.

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Used in upcoming commit.
This commit is contained in:
notbabaisyou
2025-08-14 13:52:52 +02:00
committed by Enrico Weigelt
parent c390441ca9
commit e7455f48a3
2 changed files with 36 additions and 0 deletions
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34
hw/xfree86/drivers/video/modesetting/drmmode_display.c
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@@ -4598,6 +4598,40 @@ drmmode_crtc_set_vrr(xf86CrtcPtr crtc, Bool enabled)
drmmode_crtc->vrr_enabled = enabled;
}
Bool drmmode_get_cursor_limit(ScrnInfoPtr pScrn, drmmode_cursor_dim_ptr cursor_lim)
{
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
int max_width = 0, max_height = 0, i;
if (!cursor_lim)
return FALSE;
for (i = 0; i < xf86_config->num_crtc; i++) {
xf86CrtcPtr crtc = xf86_config->crtc[i];
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
drmmode_cursor_rec cursor = drmmode_crtc->cursor;
/* Very ugly. */
drmmode_cursor_dim_rec largest = cursor.dimensions[cursor.num_dimensions - 1];
int width = largest.width;
int height = largest.height;
/**
* TODO: We should only let sizes that all CRTCs support.
*/
if (width > max_width && height > max_height)
{
max_width = width;
max_height = height;
}
}
cursor_lim->width = max_width;
cursor_lim->height = max_height;
return TRUE;
}
/*
* We hook the screen's cursor-sprite (swcursor) functions to see if a swcursor
* is active. When a swcursor is active we disable page-flipping.

2
hw/xfree86/drivers/video/modesetting/drmmode_display.h
View File

@@ -355,4 +355,6 @@ Bool drmmode_crtc_get_fb_id(xf86CrtcPtr crtc, uint32_t *fb_id, int *x, int *y);
void drmmode_set_dpms(ScrnInfoPtr scrn, int PowerManagementMode, int flags);
void drmmode_crtc_set_vrr(xf86CrtcPtr crtc, Bool enabled);
Bool drmmode_get_cursor_limit(ScrnInfoPtr pScrn, drmmode_cursor_dim_ptr cursor_lim);
#endif