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Diffstat (limited to 'xorg-server/hw/kdrive/ephyr/ephyrcursor.c')
-rw-r--r--xorg-server/hw/kdrive/ephyr/ephyrcursor.c262
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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 23:08:33 +0000