Update to xserver 1.17.2. tested by dcoppa@, jsg@, jasper@ & naddy@

1 files changed, 262 insertions, 0 deletions

diff --git a/xserver/hw/kdrive/ephyr/ephyrcursor.c b/xserver/hw/kdrive/ephyr/ephyrcursor.c
new file mode 100644
index 000000000..852be33e0
--- /dev/null
+++ b/xserver/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;
+}