hw/xfree86: Restore API compatibility for cursor loading functions
Create load_cursor_image_check, load_cursor_argb_check, LoadCursorImageCheck and LoadCursorARGBCheck that can return failure and use them in preference to the old unchecked variants. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Michael Thayer <michael.thayer@oracle.com>
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@ -186,14 +186,18 @@ typedef struct _xf86CrtcFuncs {
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/**
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* Load monochrome image
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*/
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Bool
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void
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(*load_cursor_image) (xf86CrtcPtr crtc, CARD8 *image);
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Bool
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(*load_cursor_image_check) (xf86CrtcPtr crtc, CARD8 *image);
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/**
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* Load ARGB image
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*/
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Bool
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void
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(*load_cursor_argb) (xf86CrtcPtr crtc, CARD32 *image);
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Bool
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(*load_cursor_argb_check) (xf86CrtcPtr crtc, CARD32 *image);
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/**
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* Clean up driver-specific bits of the crtc
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@ -208,6 +208,40 @@ set_bit(CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask)
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*bit.byte |= 1 << bit.bitpos;
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}
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/*
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* Wrappers to deal with API compatibility with drivers that don't expose
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* load_cursor_*_check
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*/
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static inline Bool
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xf86_driver_has_load_cursor_image(xf86CrtcPtr crtc)
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{
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return crtc->funcs->load_cursor_image_check || crtc->funcs->load_cursor_image;
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}
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static inline Bool
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xf86_driver_has_load_cursor_argb(xf86CrtcPtr crtc)
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{
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return crtc->funcs->load_cursor_argb_check || crtc->funcs->load_cursor_argb;
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}
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static inline Bool
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xf86_driver_load_cursor_image(xf86CrtcPtr crtc, CARD8 *cursor_image)
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{
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if (crtc->funcs->load_cursor_image_check)
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return crtc->funcs->load_cursor_image_check(crtc, cursor_image);
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crtc->funcs->load_cursor_image(crtc, cursor_image);
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return TRUE;
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}
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static inline Bool
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xf86_driver_load_cursor_argb(xf86CrtcPtr crtc, CARD32 *cursor_argb)
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{
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if (crtc->funcs->load_cursor_argb_check)
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return crtc->funcs->load_cursor_argb_check(crtc, cursor_argb);
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crtc->funcs->load_cursor_argb(crtc, cursor_argb);
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return TRUE;
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}
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/*
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* Load a two color cursor into a driver that supports only ARGB cursors
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*/
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@ -244,7 +278,7 @@ xf86_crtc_convert_cursor_to_argb(xf86CrtcPtr crtc, unsigned char *src)
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bits = 0;
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cursor_image[y * cursor_info->MaxWidth + x] = bits;
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}
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return crtc->funcs->load_cursor_argb(crtc, cursor_image);
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return xf86_driver_load_cursor_argb(crtc, cursor_image);
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}
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/*
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@ -269,7 +303,7 @@ xf86_set_cursor_colors(ScrnInfoPtr scrn, int bg, int fg)
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xf86CrtcPtr crtc = xf86_config->crtc[c];
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if (crtc->enabled && !crtc->cursor_argb) {
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if (crtc->funcs->load_cursor_image)
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if (xf86_driver_has_load_cursor_image(crtc))
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crtc->funcs->set_cursor_colors(crtc, bg, fg);
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else if (bits)
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xf86_crtc_convert_cursor_to_argb(crtc, bits);
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@ -450,7 +484,7 @@ xf86_crtc_load_cursor_image(xf86CrtcPtr crtc, CARD8 *src)
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set_bit(cursor_image, cursor_info, x, y, TRUE);
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}
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}
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return crtc->funcs->load_cursor_image(crtc, cursor_image);
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return xf86_driver_load_cursor_image(crtc, cursor_image);
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}
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/*
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@ -466,10 +500,10 @@ xf86_load_cursor_image(ScrnInfoPtr scrn, unsigned char *src)
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xf86CrtcPtr crtc = xf86_config->crtc[c];
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if (crtc->enabled) {
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if (crtc->funcs->load_cursor_image) {
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if (xf86_driver_has_load_cursor_image(crtc)) {
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if (!xf86_crtc_load_cursor_image(crtc, src))
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return FALSE;
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} else if (crtc->funcs->load_cursor_argb) {
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} else if (xf86_driver_has_load_cursor_argb(crtc)) {
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if (!xf86_crtc_convert_cursor_to_argb(crtc, src))
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return FALSE;
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} else
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@ -549,7 +583,7 @@ xf86_crtc_load_cursor_argb(xf86CrtcPtr crtc, CursorPtr cursor)
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cursor_image[y * image_width + x] = bits;
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}
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return crtc->funcs->load_cursor_argb(crtc, cursor_image);
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return xf86_driver_load_cursor_argb(crtc, cursor_image);
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}
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static Bool
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@ -594,14 +628,14 @@ xf86_cursors_init(ScreenPtr screen, int max_width, int max_height, int flags)
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cursor_info->SetCursorColors = xf86_set_cursor_colors;
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cursor_info->SetCursorPosition = xf86_set_cursor_position;
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cursor_info->LoadCursorImage = xf86_load_cursor_image;
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cursor_info->LoadCursorImageCheck = xf86_load_cursor_image;
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cursor_info->HideCursor = xf86_hide_cursors;
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cursor_info->ShowCursor = xf86_show_cursors;
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cursor_info->UseHWCursor = xf86_use_hw_cursor;
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#ifdef ARGB_CURSOR
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if (flags & HARDWARE_CURSOR_ARGB) {
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cursor_info->UseHWCursorARGB = xf86_use_hw_cursor_argb;
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cursor_info->LoadCursorARGB = xf86_load_cursor_argb;
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cursor_info->LoadCursorARGBCheck = xf86_load_cursor_argb;
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}
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#endif
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@ -658,11 +692,11 @@ xf86_reload_cursors(ScreenPtr screen)
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dixLookupScreenPrivate(&cursor->devPrivates, CursorScreenKey,
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screen);
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#ifdef ARGB_CURSOR
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if (cursor->bits->argb && cursor_info->LoadCursorARGB)
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(*cursor_info->LoadCursorARGB) (scrn, cursor);
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if (cursor->bits->argb && xf86DriverHasLoadCursorARGB(cursor_info))
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xf86DriverLoadCursorARGB(cursor_info, cursor);
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else if (src)
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#endif
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(*cursor_info->LoadCursorImage) (scrn, src);
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xf86DriverLoadCursorImage(cursor_info, src);
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x += scrn->frameX0 + cursor_screen_priv->HotX;
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y += scrn->frameY0 + cursor_screen_priv->HotY;
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@ -622,7 +622,7 @@ IBMramdac526HWCursorInit(xf86CursorInfoPtr infoPtr)
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HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;
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infoPtr->SetCursorColors = IBMramdac526SetCursorColors;
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infoPtr->SetCursorPosition = IBMramdac526SetCursorPosition;
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infoPtr->LoadCursorImage = IBMramdac526LoadCursorImage;
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infoPtr->LoadCursorImageCheck = IBMramdac526LoadCursorImage;
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infoPtr->HideCursor = IBMramdac526HideCursor;
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infoPtr->ShowCursor = IBMramdac526ShowCursor;
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infoPtr->UseHWCursor = IBMramdac526UseHWCursor;
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@ -638,7 +638,7 @@ IBMramdac640HWCursorInit(xf86CursorInfoPtr infoPtr)
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HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1;
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infoPtr->SetCursorColors = IBMramdac640SetCursorColors;
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infoPtr->SetCursorPosition = IBMramdac640SetCursorPosition;
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infoPtr->LoadCursorImage = IBMramdac640LoadCursorImage;
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infoPtr->LoadCursorImageCheck = IBMramdac640LoadCursorImage;
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infoPtr->HideCursor = IBMramdac640HideCursor;
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infoPtr->ShowCursor = IBMramdac640ShowCursor;
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infoPtr->UseHWCursor = IBMramdac640UseHWCursor;
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@ -676,7 +676,7 @@ TIramdacHWCursorInit(xf86CursorInfoPtr infoPtr)
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HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED;
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infoPtr->SetCursorColors = TIramdacSetCursorColors;
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infoPtr->SetCursorPosition = TIramdacSetCursorPosition;
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infoPtr->LoadCursorImage = TIramdacLoadCursorImage;
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infoPtr->LoadCursorImageCheck = TIramdacLoadCursorImage;
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infoPtr->HideCursor = TIramdacHideCursor;
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infoPtr->ShowCursor = TIramdacShowCursor;
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infoPtr->UseHWCursor = TIramdacUseHWCursor;
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@ -12,7 +12,8 @@ typedef struct _xf86CursorInfoRec {
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int MaxHeight;
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void (*SetCursorColors) (ScrnInfoPtr pScrn, int bg, int fg);
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void (*SetCursorPosition) (ScrnInfoPtr pScrn, int x, int y);
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Bool (*LoadCursorImage) (ScrnInfoPtr pScrn, unsigned char *bits);
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void (*LoadCursorImage) (ScrnInfoPtr pScrn, unsigned char *bits);
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Bool (*LoadCursorImageCheck) (ScrnInfoPtr pScrn, unsigned char *bits);
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void (*HideCursor) (ScrnInfoPtr pScrn);
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void (*ShowCursor) (ScrnInfoPtr pScrn);
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unsigned char *(*RealizeCursor) (struct _xf86CursorInfoRec *, CursorPtr);
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@ -20,11 +21,42 @@ typedef struct _xf86CursorInfoRec {
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#ifdef ARGB_CURSOR
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Bool (*UseHWCursorARGB) (ScreenPtr, CursorPtr);
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Bool (*LoadCursorARGB) (ScrnInfoPtr, CursorPtr);
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void (*LoadCursorARGB) (ScrnInfoPtr, CursorPtr);
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Bool (*LoadCursorARGBCheck) (ScrnInfoPtr, CursorPtr);
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#endif
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} xf86CursorInfoRec, *xf86CursorInfoPtr;
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static inline Bool
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xf86DriverHasLoadCursorImage(xf86CursorInfoPtr infoPtr)
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{
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return infoPtr->LoadCursorImageCheck || infoPtr->LoadCursorImage;
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}
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static inline Bool
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xf86DriverLoadCursorImage(xf86CursorInfoPtr infoPtr, unsigned char *bits)
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{
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if(infoPtr->LoadCursorImageCheck)
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return infoPtr->LoadCursorImageCheck(infoPtr->pScrn, bits);
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infoPtr->LoadCursorImage(infoPtr->pScrn, bits);
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return TRUE;
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}
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static inline Bool
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xf86DriverHasLoadCursorARGB(xf86CursorInfoPtr infoPtr)
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{
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return infoPtr->LoadCursorARGBCheck || infoPtr->LoadCursorARGB;
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}
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static inline Bool
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xf86DriverLoadCursorARGB(xf86CursorInfoPtr infoPtr, CursorPtr pCursor)
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{
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if(infoPtr->LoadCursorARGBCheck)
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return infoPtr->LoadCursorARGBCheck(infoPtr->pScrn, pCursor);
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infoPtr->LoadCursorARGB(infoPtr->pScrn, pCursor);
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return TRUE;
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}
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extern _X_EXPORT Bool xf86InitCursor(ScreenPtr pScreen,
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xf86CursorInfoPtr infoPtr);
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extern _X_EXPORT xf86CursorInfoPtr xf86CreateCursorInfoRec(void);
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@ -87,7 +87,7 @@ xf86InitHardwareCursor(ScreenPtr pScreen, xf86CursorInfoPtr infoPtr)
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/* These are required for now */
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if (!infoPtr->SetCursorPosition ||
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!infoPtr->LoadCursorImage ||
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!xf86DriverHasLoadCursorImage(infoPtr) ||
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!infoPtr->HideCursor ||
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!infoPtr->ShowCursor || !infoPtr->SetCursorColors)
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return FALSE;
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@ -140,7 +140,7 @@ xf86SetCursor(ScreenPtr pScreen, CursorPtr pCurs, int x, int y)
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y -= infoPtr->pScrn->frameY0 + ScreenPriv->HotY;
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#ifdef ARGB_CURSOR
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if (!pCurs->bits->argb || !infoPtr->LoadCursorARGB)
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if (!pCurs->bits->argb || !xf86DriverHasLoadCursorARGB(infoPtr))
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#endif
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if (!bits) {
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bits = (*infoPtr->RealizeCursor) (infoPtr, pCurs);
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@ -152,13 +152,13 @@ xf86SetCursor(ScreenPtr pScreen, CursorPtr pCurs, int x, int y)
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(*infoPtr->HideCursor) (infoPtr->pScrn);
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#ifdef ARGB_CURSOR
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if (pCurs->bits->argb && infoPtr->LoadCursorARGB) {
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if (!(*infoPtr->LoadCursorARGB) (infoPtr->pScrn, pCurs))
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if (pCurs->bits->argb && xf86DriverHasLoadCursorARGB(infoPtr)) {
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if (!xf86DriverLoadCursorARGB (infoPtr, pCurs))
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return FALSE;
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} else
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#endif
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if (bits)
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if (!(*infoPtr->LoadCursorImage) (infoPtr->pScrn, bits))
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if (!xf86DriverLoadCursorImage (infoPtr, bits))
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return FALSE;
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xf86RecolorCursor(pScreen, pCurs, 1);
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@ -185,8 +185,8 @@ xf86SetTransparentCursor(ScreenPtr pScreen)
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(*infoPtr->HideCursor) (infoPtr->pScrn);
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if (ScreenPriv->transparentData)
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(*infoPtr->LoadCursorImage) (infoPtr->pScrn,
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ScreenPriv->transparentData);
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xf86DriverLoadCursorImage (infoPtr,
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ScreenPriv->transparentData);
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(*infoPtr->ShowCursor) (infoPtr->pScrn);
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}
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