66294afcab
This implements sprite position transformations. Sprite image transforms are passed all the way to the DDX layer, but the images are not yet manipulated before being passed to the drivers. Signed-off-by: Keith Packard <keithp@keithp.com> Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
689 lines
18 KiB
C
689 lines
18 KiB
C
/*
|
|
* Copyright © 2007 Keith Packard
|
|
* Copyright © 2010 Aaron Plattner
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that copyright
|
|
* notice and this permission notice appear in supporting documentation, and
|
|
* that the name of the copyright holders not be used in advertising or
|
|
* publicity pertaining to distribution of the software without specific,
|
|
* written prior permission. The copyright holders make no representations
|
|
* about the suitability of this software for any purpose. It is provided "as
|
|
* is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
|
* OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifdef HAVE_XORG_CONFIG_H
|
|
#include <xorg-config.h>
|
|
#else
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
#endif
|
|
|
|
#include <stddef.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "xf86.h"
|
|
#include "xf86DDC.h"
|
|
#include "xf86Crtc.h"
|
|
#include "xf86Modes.h"
|
|
#include "xf86RandR12.h"
|
|
#include "xf86CursorPriv.h"
|
|
#include "X11/extensions/render.h"
|
|
#include "X11/extensions/dpmsconst.h"
|
|
#include "X11/Xatom.h"
|
|
#include "picturestr.h"
|
|
#include "cursorstr.h"
|
|
#include "inputstr.h"
|
|
|
|
/*
|
|
* Given a screen coordinate, rotate back to a cursor source coordinate
|
|
*/
|
|
static void
|
|
xf86_crtc_rotate_coord (Rotation rotation,
|
|
int width,
|
|
int height,
|
|
int x_dst,
|
|
int y_dst,
|
|
int *x_src,
|
|
int *y_src)
|
|
{
|
|
int t;
|
|
|
|
switch (rotation & 0xf) {
|
|
case RR_Rotate_0:
|
|
break;
|
|
case RR_Rotate_90:
|
|
t = x_dst;
|
|
x_dst = height - y_dst - 1;
|
|
y_dst = t;
|
|
break;
|
|
case RR_Rotate_180:
|
|
x_dst = width - x_dst - 1;
|
|
y_dst = height - y_dst - 1;
|
|
break;
|
|
case RR_Rotate_270:
|
|
t = x_dst;
|
|
x_dst = y_dst;
|
|
y_dst = width - t - 1;
|
|
break;
|
|
}
|
|
if (rotation & RR_Reflect_X)
|
|
x_dst = width - x_dst - 1;
|
|
if (rotation & RR_Reflect_Y)
|
|
y_dst = height - y_dst - 1;
|
|
*x_src = x_dst;
|
|
*y_src = y_dst;
|
|
}
|
|
|
|
/*
|
|
* Given a cursor source coordinate, rotate to a screen coordinate
|
|
*/
|
|
static void
|
|
xf86_crtc_rotate_coord_back (Rotation rotation,
|
|
int width,
|
|
int height,
|
|
int x_dst,
|
|
int y_dst,
|
|
int *x_src,
|
|
int *y_src)
|
|
{
|
|
int t;
|
|
|
|
if (rotation & RR_Reflect_X)
|
|
x_dst = width - x_dst - 1;
|
|
if (rotation & RR_Reflect_Y)
|
|
y_dst = height - y_dst - 1;
|
|
|
|
switch (rotation & 0xf) {
|
|
case RR_Rotate_0:
|
|
break;
|
|
case RR_Rotate_90:
|
|
t = x_dst;
|
|
x_dst = y_dst;
|
|
y_dst = width - t - 1;
|
|
break;
|
|
case RR_Rotate_180:
|
|
x_dst = width - x_dst - 1;
|
|
y_dst = height - y_dst - 1;
|
|
break;
|
|
case RR_Rotate_270:
|
|
t = x_dst;
|
|
x_dst = height - y_dst - 1;
|
|
y_dst = t;
|
|
break;
|
|
}
|
|
*x_src = x_dst;
|
|
*y_src = y_dst;
|
|
}
|
|
|
|
struct cursor_bit {
|
|
CARD8 *byte;
|
|
char bitpos;
|
|
};
|
|
|
|
/*
|
|
* Convert an x coordinate to a position within the cursor bitmap
|
|
*/
|
|
static struct cursor_bit
|
|
cursor_bitpos (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y,
|
|
Bool mask)
|
|
{
|
|
const int flags = cursor_info->Flags;
|
|
const Bool interleaved =
|
|
!!(flags & (HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1 |
|
|
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8 |
|
|
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16 |
|
|
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32 |
|
|
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64));
|
|
const int width = cursor_info->MaxWidth;
|
|
const int height = cursor_info->MaxHeight;
|
|
const int stride = interleaved ? width / 4 : width / 8;
|
|
|
|
struct cursor_bit ret;
|
|
|
|
image += y * stride;
|
|
|
|
if (flags & HARDWARE_CURSOR_SWAP_SOURCE_AND_MASK)
|
|
mask = !mask;
|
|
if (flags & HARDWARE_CURSOR_NIBBLE_SWAPPED)
|
|
x = (x & ~3) | (3 - (x & 3));
|
|
if (((flags & HARDWARE_CURSOR_BIT_ORDER_MSBFIRST) == 0) ==
|
|
(X_BYTE_ORDER == X_BIG_ENDIAN))
|
|
x = (x & ~7) | (7 - (x & 7));
|
|
if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_1)
|
|
x = (x << 1) + mask;
|
|
else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_8)
|
|
x = ((x & ~7) << 1) | (mask << 3) | (x & 7);
|
|
else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_16)
|
|
x = ((x & ~15) << 1) | (mask << 4) | (x & 15);
|
|
else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32)
|
|
x = ((x & ~31) << 1) | (mask << 5) | (x & 31);
|
|
else if (flags & HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_64)
|
|
x = ((x & ~63) << 1) | (mask << 6) | (x & 63);
|
|
else if (mask)
|
|
image += stride * height;
|
|
|
|
ret.byte = image + (x / 8);
|
|
ret.bitpos = x & 7;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Fetch one bit from a cursor bitmap
|
|
*/
|
|
static CARD8
|
|
get_bit (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask)
|
|
{
|
|
struct cursor_bit bit = cursor_bitpos(image, cursor_info, x, y, mask);
|
|
return (*bit.byte >> bit.bitpos) & 1;
|
|
}
|
|
|
|
/*
|
|
* Set one bit in a cursor bitmap
|
|
*/
|
|
static void
|
|
set_bit (CARD8 *image, xf86CursorInfoPtr cursor_info, int x, int y, Bool mask)
|
|
{
|
|
struct cursor_bit bit = cursor_bitpos(image, cursor_info, x, y, mask);
|
|
*bit.byte |= 1 << bit.bitpos;
|
|
}
|
|
|
|
/*
|
|
* Load a two color cursor into a driver that supports only ARGB cursors
|
|
*/
|
|
static void
|
|
xf86_crtc_convert_cursor_to_argb (xf86CrtcPtr crtc, unsigned char *src)
|
|
{
|
|
ScrnInfoPtr scrn = crtc->scrn;
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
|
|
CARD32 *cursor_image = (CARD32 *) xf86_config->cursor_image;
|
|
int x, y;
|
|
int xin, yin;
|
|
int flags = cursor_info->Flags;
|
|
CARD32 bits;
|
|
|
|
#ifdef ARGB_CURSOR
|
|
crtc->cursor_argb = FALSE;
|
|
#endif
|
|
|
|
for (y = 0; y < cursor_info->MaxHeight; y++)
|
|
for (x = 0; x < cursor_info->MaxWidth; x++)
|
|
{
|
|
xf86_crtc_rotate_coord (crtc->rotation,
|
|
cursor_info->MaxWidth,
|
|
cursor_info->MaxHeight,
|
|
x, y, &xin, &yin);
|
|
if (get_bit (src, cursor_info, xin, yin, TRUE) ==
|
|
((flags & HARDWARE_CURSOR_INVERT_MASK) == 0))
|
|
{
|
|
if (get_bit (src, cursor_info, xin, yin, FALSE))
|
|
bits = xf86_config->cursor_fg;
|
|
else
|
|
bits = xf86_config->cursor_bg;
|
|
}
|
|
else
|
|
bits = 0;
|
|
cursor_image[y * cursor_info->MaxWidth + x] = bits;
|
|
}
|
|
crtc->funcs->load_cursor_argb (crtc, cursor_image);
|
|
}
|
|
|
|
/*
|
|
* Set the colors for a two-color cursor (ignore for ARGB cursors)
|
|
*/
|
|
static void
|
|
xf86_set_cursor_colors (ScrnInfoPtr scrn, int bg, int fg)
|
|
{
|
|
ScreenPtr screen = scrn->pScreen;
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
CursorPtr cursor = xf86_config->cursor;
|
|
int c;
|
|
CARD8 *bits = cursor ?
|
|
dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen))
|
|
: NULL;
|
|
|
|
/* Save ARGB versions of these colors */
|
|
xf86_config->cursor_fg = (CARD32) fg | 0xff000000;
|
|
xf86_config->cursor_bg = (CARD32) bg | 0xff000000;
|
|
|
|
for (c = 0; c < xf86_config->num_crtc; c++)
|
|
{
|
|
xf86CrtcPtr crtc = xf86_config->crtc[c];
|
|
|
|
if (crtc->enabled && !crtc->cursor_argb)
|
|
{
|
|
if (crtc->funcs->load_cursor_image)
|
|
crtc->funcs->set_cursor_colors (crtc, bg, fg);
|
|
else if (bits)
|
|
xf86_crtc_convert_cursor_to_argb (crtc, bits);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
xf86_crtc_hide_cursor (xf86CrtcPtr crtc)
|
|
{
|
|
if (crtc->cursor_shown)
|
|
{
|
|
crtc->funcs->hide_cursor (crtc);
|
|
crtc->cursor_shown = FALSE;
|
|
}
|
|
}
|
|
|
|
void
|
|
xf86_hide_cursors (ScrnInfoPtr scrn)
|
|
{
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
int c;
|
|
|
|
xf86_config->cursor_on = FALSE;
|
|
for (c = 0; c < xf86_config->num_crtc; c++)
|
|
{
|
|
xf86CrtcPtr crtc = xf86_config->crtc[c];
|
|
|
|
if (crtc->enabled)
|
|
xf86_crtc_hide_cursor (crtc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
xf86_crtc_show_cursor (xf86CrtcPtr crtc)
|
|
{
|
|
if (!crtc->cursor_shown && crtc->cursor_in_range)
|
|
{
|
|
crtc->funcs->show_cursor (crtc);
|
|
crtc->cursor_shown = TRUE;
|
|
}
|
|
}
|
|
|
|
void
|
|
xf86_show_cursors (ScrnInfoPtr scrn)
|
|
{
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
int c;
|
|
|
|
xf86_config->cursor_on = TRUE;
|
|
for (c = 0; c < xf86_config->num_crtc; c++)
|
|
{
|
|
xf86CrtcPtr crtc = xf86_config->crtc[c];
|
|
|
|
if (crtc->enabled)
|
|
xf86_crtc_show_cursor (crtc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
xf86_crtc_set_cursor_position (xf86CrtcPtr crtc, int x, int y)
|
|
{
|
|
ScrnInfoPtr scrn = crtc->scrn;
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
|
|
DisplayModePtr mode = &crtc->mode;
|
|
Bool in_range;
|
|
int dx, dy;
|
|
|
|
/*
|
|
* Transform position of cursor on screen
|
|
*/
|
|
if (crtc->sprite_transform_in_use)
|
|
{
|
|
ScreenPtr screen = scrn->pScreen;
|
|
xf86CursorScreenPtr ScreenPriv =
|
|
(xf86CursorScreenPtr)dixLookupPrivate(&screen->devPrivates,
|
|
xf86CursorScreenKey);
|
|
struct pict_f_vector v;
|
|
|
|
v.v[0] = (x + ScreenPriv->HotX) + 0.5;
|
|
v.v[1] = (y + ScreenPriv->HotY) + 0.5;
|
|
v.v[2] = 1;
|
|
pixman_f_transform_point (&crtc->f_screen_to_crtc, &v);
|
|
/* cursor will have 0.5 added to it already so floor is sufficent */
|
|
x = floor (v.v[0]);
|
|
y = floor (v.v[1]);
|
|
/*
|
|
* Transform position of cursor upper left corner
|
|
*/
|
|
xf86_crtc_rotate_coord_back (crtc->rotation,
|
|
cursor_info->MaxWidth,
|
|
cursor_info->MaxHeight,
|
|
ScreenPriv->HotX, ScreenPriv->HotY, &dx, &dy);
|
|
x -= dx;
|
|
y -= dy;
|
|
}
|
|
else
|
|
{
|
|
x -= crtc->x;
|
|
y -= crtc->y;
|
|
}
|
|
|
|
/*
|
|
* Disable the cursor when it is outside the viewport
|
|
*/
|
|
in_range = TRUE;
|
|
if (x >= mode->HDisplay || y >= mode->VDisplay ||
|
|
x <= -cursor_info->MaxWidth || y <= -cursor_info->MaxHeight)
|
|
{
|
|
in_range = FALSE;
|
|
x = 0;
|
|
y = 0;
|
|
}
|
|
|
|
crtc->cursor_in_range = in_range;
|
|
|
|
if (in_range)
|
|
{
|
|
crtc->funcs->set_cursor_position (crtc, x, y);
|
|
xf86_crtc_show_cursor (crtc);
|
|
}
|
|
else
|
|
xf86_crtc_hide_cursor (crtc);
|
|
}
|
|
|
|
static void
|
|
xf86_set_cursor_position (ScrnInfoPtr scrn, int x, int y)
|
|
{
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
int c;
|
|
|
|
/* undo what xf86HWCurs did to the coordinates */
|
|
x += scrn->frameX0;
|
|
y += scrn->frameY0;
|
|
for (c = 0; c < xf86_config->num_crtc; c++)
|
|
{
|
|
xf86CrtcPtr crtc = xf86_config->crtc[c];
|
|
|
|
if (crtc->enabled)
|
|
xf86_crtc_set_cursor_position (crtc, x, y);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Load a two-color cursor into a crtc, performing rotation as needed
|
|
*/
|
|
static void
|
|
xf86_crtc_load_cursor_image (xf86CrtcPtr crtc, CARD8 *src)
|
|
{
|
|
ScrnInfoPtr scrn = crtc->scrn;
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
|
|
CARD8 *cursor_image;
|
|
|
|
#ifdef ARGB_CURSOR
|
|
crtc->cursor_argb = FALSE;
|
|
#endif
|
|
|
|
if (crtc->rotation == RR_Rotate_0)
|
|
cursor_image = src;
|
|
else
|
|
{
|
|
int x, y;
|
|
int xin, yin;
|
|
int stride = cursor_info->MaxWidth >> 2;
|
|
|
|
cursor_image = xf86_config->cursor_image;
|
|
memset(cursor_image, 0, cursor_info->MaxHeight * stride);
|
|
|
|
for (y = 0; y < cursor_info->MaxHeight; y++)
|
|
for (x = 0; x < cursor_info->MaxWidth; x++)
|
|
{
|
|
xf86_crtc_rotate_coord (crtc->rotation,
|
|
cursor_info->MaxWidth,
|
|
cursor_info->MaxHeight,
|
|
x, y, &xin, &yin);
|
|
if (get_bit(src, cursor_info, xin, yin, FALSE))
|
|
set_bit(cursor_image, cursor_info, x, y, FALSE);
|
|
if (get_bit(src, cursor_info, xin, yin, TRUE))
|
|
set_bit(cursor_image, cursor_info, x, y, TRUE);
|
|
}
|
|
}
|
|
crtc->funcs->load_cursor_image (crtc, cursor_image);
|
|
}
|
|
|
|
/*
|
|
* Load a cursor image into all active CRTCs
|
|
*/
|
|
static void
|
|
xf86_load_cursor_image (ScrnInfoPtr scrn, unsigned char *src)
|
|
{
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
int c;
|
|
|
|
for (c = 0; c < xf86_config->num_crtc; c++)
|
|
{
|
|
xf86CrtcPtr crtc = xf86_config->crtc[c];
|
|
|
|
if (crtc->enabled)
|
|
{
|
|
if (crtc->funcs->load_cursor_image)
|
|
xf86_crtc_load_cursor_image (crtc, src);
|
|
else if (crtc->funcs->load_cursor_argb)
|
|
xf86_crtc_convert_cursor_to_argb (crtc, src);
|
|
}
|
|
}
|
|
}
|
|
|
|
static Bool
|
|
xf86_use_hw_cursor (ScreenPtr screen, CursorPtr cursor)
|
|
{
|
|
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
|
|
|
|
++cursor->refcnt;
|
|
if (xf86_config->cursor)
|
|
FreeCursor (xf86_config->cursor, None);
|
|
xf86_config->cursor = cursor;
|
|
|
|
if (cursor->bits->width > cursor_info->MaxWidth ||
|
|
cursor->bits->height> cursor_info->MaxHeight)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
xf86_use_hw_cursor_argb (ScreenPtr screen, CursorPtr cursor)
|
|
{
|
|
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
|
|
|
|
++cursor->refcnt;
|
|
if (xf86_config->cursor)
|
|
FreeCursor (xf86_config->cursor, None);
|
|
xf86_config->cursor = cursor;
|
|
|
|
/* Make sure ARGB support is available */
|
|
if ((cursor_info->Flags & HARDWARE_CURSOR_ARGB) == 0)
|
|
return FALSE;
|
|
|
|
if (cursor->bits->width > cursor_info->MaxWidth ||
|
|
cursor->bits->height> cursor_info->MaxHeight)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
xf86_crtc_load_cursor_argb (xf86CrtcPtr crtc, CursorPtr cursor)
|
|
{
|
|
ScrnInfoPtr scrn = crtc->scrn;
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info = xf86_config->cursor_info;
|
|
CARD32 *cursor_image = (CARD32 *) xf86_config->cursor_image;
|
|
CARD32 *cursor_source = (CARD32 *) cursor->bits->argb;
|
|
int x, y;
|
|
int xin, yin;
|
|
CARD32 bits;
|
|
int source_width = cursor->bits->width;
|
|
int source_height = cursor->bits->height;
|
|
int image_width = cursor_info->MaxWidth;
|
|
int image_height = cursor_info->MaxHeight;
|
|
|
|
for (y = 0; y < image_height; y++)
|
|
for (x = 0; x < image_width; x++)
|
|
{
|
|
xf86_crtc_rotate_coord (crtc->rotation, image_width, image_height,
|
|
x, y, &xin, &yin);
|
|
if (xin < source_width && yin < source_height)
|
|
bits = cursor_source[yin * source_width + xin];
|
|
else
|
|
bits = 0;
|
|
cursor_image[y * image_width + x] = bits;
|
|
}
|
|
|
|
crtc->funcs->load_cursor_argb (crtc, cursor_image);
|
|
}
|
|
|
|
static void
|
|
xf86_load_cursor_argb (ScrnInfoPtr scrn, CursorPtr cursor)
|
|
{
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
int c;
|
|
|
|
for (c = 0; c < xf86_config->num_crtc; c++)
|
|
{
|
|
xf86CrtcPtr crtc = xf86_config->crtc[c];
|
|
|
|
if (crtc->enabled)
|
|
xf86_crtc_load_cursor_argb (crtc, cursor);
|
|
}
|
|
}
|
|
|
|
Bool
|
|
xf86_cursors_init (ScreenPtr screen, int max_width, int max_height, int flags)
|
|
{
|
|
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
xf86CursorInfoPtr cursor_info;
|
|
|
|
cursor_info = xf86CreateCursorInfoRec();
|
|
if (!cursor_info)
|
|
return FALSE;
|
|
|
|
xf86_config->cursor_image = malloc(max_width * max_height * 4);
|
|
|
|
if (!xf86_config->cursor_image)
|
|
{
|
|
xf86DestroyCursorInfoRec (cursor_info);
|
|
return FALSE;
|
|
}
|
|
|
|
xf86_config->cursor_info = cursor_info;
|
|
|
|
cursor_info->MaxWidth = max_width;
|
|
cursor_info->MaxHeight = max_height;
|
|
cursor_info->Flags = flags;
|
|
|
|
cursor_info->SetCursorColors = xf86_set_cursor_colors;
|
|
cursor_info->SetCursorPosition = xf86_set_cursor_position;
|
|
cursor_info->LoadCursorImage = xf86_load_cursor_image;
|
|
cursor_info->HideCursor = xf86_hide_cursors;
|
|
cursor_info->ShowCursor = xf86_show_cursors;
|
|
cursor_info->UseHWCursor = xf86_use_hw_cursor;
|
|
#ifdef ARGB_CURSOR
|
|
if (flags & HARDWARE_CURSOR_ARGB)
|
|
{
|
|
cursor_info->UseHWCursorARGB = xf86_use_hw_cursor_argb;
|
|
cursor_info->LoadCursorARGB = xf86_load_cursor_argb;
|
|
}
|
|
#endif
|
|
|
|
xf86_config->cursor = NULL;
|
|
xf86_hide_cursors (scrn);
|
|
|
|
return xf86InitCursor (screen, cursor_info);
|
|
}
|
|
|
|
/**
|
|
* Called when anything on the screen is reconfigured.
|
|
*
|
|
* Reloads cursor images as needed, then adjusts cursor positions
|
|
*/
|
|
|
|
void
|
|
xf86_reload_cursors (ScreenPtr screen)
|
|
{
|
|
ScrnInfoPtr scrn;
|
|
xf86CrtcConfigPtr xf86_config;
|
|
xf86CursorInfoPtr cursor_info;
|
|
CursorPtr cursor;
|
|
int x, y;
|
|
xf86CursorScreenPtr cursor_screen_priv;
|
|
|
|
/* initial mode setting will not have set a screen yet.
|
|
May be called before the devices are initialised.
|
|
*/
|
|
if (!screen || !inputInfo.pointer)
|
|
return;
|
|
cursor_screen_priv = dixLookupPrivate(&screen->devPrivates,
|
|
xf86CursorScreenKey);
|
|
/* return if HW cursor is inactive, to avoid displaying two cursors */
|
|
if (!cursor_screen_priv || !cursor_screen_priv->isUp)
|
|
return;
|
|
|
|
scrn = xf86Screens[screen->myNum];
|
|
xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
|
|
/* make sure the cursor code has been initialized */
|
|
cursor_info = xf86_config->cursor_info;
|
|
if (!cursor_info)
|
|
return;
|
|
|
|
cursor = xf86_config->cursor;
|
|
GetSpritePosition (inputInfo.pointer, &x, &y);
|
|
if (!(cursor_info->Flags & HARDWARE_CURSOR_UPDATE_UNHIDDEN))
|
|
(*cursor_info->HideCursor)(scrn);
|
|
|
|
if (cursor)
|
|
{
|
|
void *src = dixLookupPrivate(&cursor->devPrivates, CursorScreenKey(screen));
|
|
#ifdef ARGB_CURSOR
|
|
if (cursor->bits->argb && cursor_info->LoadCursorARGB)
|
|
(*cursor_info->LoadCursorARGB) (scrn, cursor);
|
|
else if (src)
|
|
#endif
|
|
(*cursor_info->LoadCursorImage)(scrn, src);
|
|
|
|
x += scrn->frameX0 + cursor_screen_priv->HotX;
|
|
y += scrn->frameY0 + cursor_screen_priv->HotY;
|
|
(*cursor_info->SetCursorPosition)(scrn, x, y);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clean up CRTC-based cursor code
|
|
*/
|
|
void
|
|
xf86_cursors_fini (ScreenPtr screen)
|
|
{
|
|
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
|
|
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
|
|
|
|
if (xf86_config->cursor_info)
|
|
{
|
|
xf86DestroyCursorInfoRec (xf86_config->cursor_info);
|
|
xf86_config->cursor_info = NULL;
|
|
}
|
|
free(xf86_config->cursor_image);
|
|
xf86_config->cursor_image = NULL;
|
|
if (xf86_config->cursor)
|
|
{
|
|
FreeCursor (xf86_config->cursor, None);
|
|
xf86_config->cursor = NULL;
|
|
}
|
|
}
|