diff options
Diffstat (limited to 'xorg-server/hw/kdrive/ephyr/ephyrcursor.c')
| -rw-r--r-- | xorg-server/hw/kdrive/ephyr/ephyrcursor.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/ephyr/ephyrcursor.c b/xorg-server/hw/kdrive/ephyr/ephyrcursor.c new file mode 100644 index 000000000..852be33e0 --- /dev/null +++ b/xorg-server/hw/kdrive/ephyr/ephyrcursor.c @@ -0,0 +1,262 @@ +/* + * Copyright © 2014 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: + * Adam Jackson <ajax@redhat.com> + */ + +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif +#include "ephyr.h" +#include "ephyrlog.h" +#include "hostx.h" +#include "cursorstr.h" +#include <xcb/render.h> +#include <xcb/xcb_renderutil.h> + +static DevPrivateKeyRec ephyrCursorPrivateKey; + +typedef struct _ephyrCursor { + xcb_cursor_t cursor; +} ephyrCursorRec, *ephyrCursorPtr; + +static ephyrCursorPtr +ephyrGetCursor(CursorPtr cursor) +{ + return dixGetPrivateAddr(&cursor->devPrivates, &ephyrCursorPrivateKey); +} + +static void +ephyrRealizeCoreCursor(EphyrScrPriv *scr, CursorPtr cursor) +{ + ephyrCursorPtr hw = ephyrGetCursor(cursor); + xcb_connection_t *conn = hostx_get_xcbconn(); + xcb_pixmap_t source, mask; + xcb_image_t *image; + xcb_gcontext_t gc; + int w = cursor->bits->width, h = cursor->bits->height; + uint32_t gcmask = XCB_GC_FUNCTION | + XCB_GC_PLANE_MASK | + XCB_GC_FOREGROUND | + XCB_GC_BACKGROUND | + XCB_GC_CLIP_MASK; + uint32_t val[] = { + XCB_GX_COPY, /* function */ + ~0, /* planemask */ + 1L, /* foreground */ + 0L, /* background */ + None, /* clipmask */ + }; + + source = xcb_generate_id(conn); + mask = xcb_generate_id(conn); + xcb_create_pixmap(conn, 1, source, scr->win, w, h); + xcb_create_pixmap(conn, 1, mask, scr->win, w, h); + + gc = xcb_generate_id(conn); + xcb_create_gc(conn, gc, source, gcmask, val); + + image = xcb_image_create_native(conn, w, h, XCB_IMAGE_FORMAT_XY_BITMAP, + 1, NULL, ~0, NULL); + image->data = cursor->bits->source; + xcb_image_put(conn, source, gc, image, 0, 0, 0); + xcb_image_destroy(image); + + image = xcb_image_create_native(conn, w, h, XCB_IMAGE_FORMAT_XY_BITMAP, + 1, NULL, ~0, NULL); + image->data = cursor->bits->mask; + xcb_image_put(conn, mask, gc, image, 0, 0, 0); + xcb_image_destroy(image); + + xcb_free_gc(conn, gc); + + hw->cursor = xcb_generate_id(conn); + xcb_create_cursor(conn, hw->cursor, source, mask, + cursor->foreRed, cursor->foreGreen, cursor->foreBlue, + cursor->backRed, cursor->backGreen, cursor->backBlue, + cursor->bits->xhot, cursor->bits->yhot); + + xcb_free_pixmap(conn, source); + xcb_free_pixmap(conn, mask); +} + +#ifdef ARGB_CURSOR +static xcb_render_pictformat_t +get_argb_format(void) +{ + static xcb_render_pictformat_t format; + if (format == None) { + xcb_connection_t *conn = hostx_get_xcbconn(); + xcb_render_query_pict_formats_cookie_t cookie; + xcb_render_query_pict_formats_reply_t *formats; + + cookie = xcb_render_query_pict_formats(conn); + formats = + xcb_render_query_pict_formats_reply(conn, cookie, NULL); + + format = + xcb_render_util_find_standard_format(formats, + XCB_PICT_STANDARD_ARGB_32)->id; + + free(formats); + } + + return format; +} + +static void +ephyrRealizeARGBCursor(EphyrScrPriv *scr, CursorPtr cursor) +{ + ephyrCursorPtr hw = ephyrGetCursor(cursor); + xcb_connection_t *conn = hostx_get_xcbconn(); + xcb_gcontext_t gc; + xcb_pixmap_t source; + xcb_render_picture_t picture; + xcb_image_t *image; + int w = cursor->bits->width, h = cursor->bits->height; + + /* dix' storage is PICT_a8r8g8b8 */ + source = xcb_generate_id(conn); + xcb_create_pixmap(conn, 32, source, scr->win, w, h); + + gc = xcb_generate_id(conn); + xcb_create_gc(conn, gc, source, 0, NULL); + image = xcb_image_create_native(conn, w, h, XCB_IMAGE_FORMAT_Z_PIXMAP, + 32, NULL, ~0, NULL); + image->data = (void *)cursor->bits->argb; + xcb_image_put(conn, source, gc, image, 0, 0, 0); + xcb_free_gc(conn, gc); + xcb_image_destroy(image); + + picture = xcb_generate_id(conn); + xcb_render_create_picture(conn, picture, source, get_argb_format(), + 0, NULL); + xcb_free_pixmap(conn, source); + + hw->cursor = xcb_generate_id(conn); + xcb_render_create_cursor(conn, hw->cursor, picture, + cursor->bits->xhot, cursor->bits->yhot); + + xcb_render_free_picture(conn, picture); +} + +static Bool +can_argb_cursor(void) +{ + static const xcb_render_query_version_reply_t *v; + + if (!v) + v = xcb_render_util_query_version(hostx_get_xcbconn()); + + return v->major_version == 0 && v->minor_version >= 5; +} +#endif + +static Bool +ephyrRealizeCursor(DeviceIntPtr dev, ScreenPtr screen, CursorPtr cursor) +{ + KdScreenPriv(screen); + KdScreenInfo *kscr = pScreenPriv->screen; + EphyrScrPriv *scr = kscr->driver; + +#ifdef ARGB_CURSOR + if (cursor->bits->argb && can_argb_cursor()) + ephyrRealizeARGBCursor(scr, cursor); + else +#endif + { + ephyrRealizeCoreCursor(scr, cursor); + } + return TRUE; +} + +static Bool +ephyrUnrealizeCursor(DeviceIntPtr dev, ScreenPtr screen, CursorPtr cursor) +{ + ephyrCursorPtr hw = ephyrGetCursor(cursor); + + if (hw->cursor) { + xcb_free_cursor(hostx_get_xcbconn(), hw->cursor); + hw->cursor = None; + } + + return TRUE; +} + +static void +ephyrSetCursor(DeviceIntPtr dev, ScreenPtr screen, CursorPtr cursor, int x, + int y) +{ + KdScreenPriv(screen); + KdScreenInfo *kscr = pScreenPriv->screen; + EphyrScrPriv *scr = kscr->driver; + uint32_t attr = None; + + if (cursor) + attr = ephyrGetCursor(cursor)->cursor; + else + attr = hostx_get_empty_cursor(); + + xcb_change_window_attributes(hostx_get_xcbconn(), scr->win, + XCB_CW_CURSOR, &attr); + xcb_flush(hostx_get_xcbconn()); +} + +static void +ephyrMoveCursor(DeviceIntPtr dev, ScreenPtr screen, int x, int y) +{ +} + +static Bool +ephyrDeviceCursorInitialize(DeviceIntPtr dev, ScreenPtr screen) +{ + return TRUE; +} + +static void +ephyrDeviceCursorCleanup(DeviceIntPtr dev, ScreenPtr screen) +{ +} + +miPointerSpriteFuncRec EphyrPointerSpriteFuncs = { + ephyrRealizeCursor, + ephyrUnrealizeCursor, + ephyrSetCursor, + ephyrMoveCursor, + ephyrDeviceCursorInitialize, + ephyrDeviceCursorCleanup +}; + +Bool +ephyrCursorInit(ScreenPtr screen) +{ + if (!dixRegisterPrivateKey(&ephyrCursorPrivateKey, PRIVATE_CURSOR_BITS, + sizeof(ephyrCursorRec))) + return FALSE; + + miPointerInitialize(screen, + &EphyrPointerSpriteFuncs, + &ephyrPointerScreenFuncs, FALSE); + + return TRUE; +} |