Merge branch 'master' into mpx

Conflicts:

	dix/devices.c
	dix/events.c
	mi/misprite.c

1 files changed, 608 insertions, 0 deletions

diff --git a/hw/xfree86/modes/xf86Cursors.c b/hw/xfree86/modes/xf86Cursors.c
new file mode 100644
index 000000000..15641822d
--- /dev/null
+++ b/hw/xfree86/modes/xf86Cursors.c
@@ -0,0 +1,608 @@
+/*
+ * Copyright © 2007 Keith Packard
+ *
+ * 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 "X11/extensions/render.h"
+#define DPMS_SERVER
+#include "X11/extensions/dpms.h"
+#include "X11/Xatom.h"
+#ifdef RENDER
+#include "picturestr.h"
+#endif
+#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)
+{
+    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:
+	*x_src = x_dst;
+	*y_src = y_dst;
+	break;
+    case RR_Rotate_90:
+	*x_src = height - y_dst - 1;
+	*y_src = x_dst;
+	break;
+    case RR_Rotate_180:
+	*x_src = width - x_dst - 1;
+	*y_src = height - y_dst - 1;
+	break;
+    case RR_Rotate_270:
+	*x_src = y_dst;
+	*y_src = width - x_dst - 1;
+	break;
+    }
+}
+
+/*
+ * Convert an x coordinate to a position within the cursor bitmap
+ */
+static int
+cursor_bitpos (int flags, int x, Bool mask)
+{
+    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)
+	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);
+    return x;
+}
+
+/*
+ * Fetch one bit from a cursor bitmap
+ */
+static CARD8
+get_bit (CARD8 *image, int stride, int flags, int x, int y, Bool mask)
+{
+    x = cursor_bitpos (flags, x, mask);
+    image += y * stride;
+    return (image[(x >> 3)] >> (x & 7)) & 1;
+}
+
+/*
+ * Set one bit in a cursor bitmap
+ */
+static void
+set_bit (CARD8 *image, int stride, int flags, int x, int y, Bool mask)
+{
+    x = cursor_bitpos (flags, x, mask);
+    image += y * stride;
+    image[(x >> 3)] |= 1 << (x & 7);
+}
+    
+/*
+ * 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			stride = cursor_info->MaxWidth >> 2;
+    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, stride, flags, xin, yin, TRUE) ==
+		((flags & HARDWARE_CURSOR_INVERT_MASK) == 0))
+	    {
+		if (get_bit (src, stride, flags, 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 ? cursor->devPriv[screen->myNum] : 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;
+    int			x_temp;
+    int			y_temp;
+    Bool		in_range;
+
+    /* 
+     * Move to crtc coordinate space
+     */
+    x -= crtc->x;
+    y -= crtc->y;
+    
+    /*
+     * Rotate
+     */
+    switch ((crtc->rotation) & 0xf) {
+    case RR_Rotate_0:
+	break;
+    case RR_Rotate_90:
+	x_temp = y;
+	y_temp = mode->VDisplay - cursor_info->MaxWidth - x;
+	x = x_temp;
+	y = y_temp;
+	break;
+    case RR_Rotate_180:
+	x_temp = mode->HDisplay - cursor_info->MaxWidth - x;
+	y_temp = mode->VDisplay - cursor_info->MaxHeight - y;
+	x = x_temp;
+	y = y_temp;
+	break;
+    case RR_Rotate_270:
+	x_temp = mode->HDisplay - cursor_info->MaxHeight -  y;
+	y_temp = x;
+	x = x_temp;
+	y = y_temp;
+	break;
+    }
+    
+    /*
+     * Reflect
+     */
+    if (crtc->rotation & RR_Reflect_X)
+	x = mode->HDisplay - cursor_info->MaxWidth - x;
+    if (crtc->rotation & RR_Reflect_Y)
+	y = mode->VDisplay - cursor_info->MaxHeight - 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;
+	int flags = cursor_info->Flags;
+	
+	cursor_image = xf86_config->cursor_image;
+	memset(cursor_image, 0, cursor_info->MaxWidth * 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, stride, flags, xin, yin, FALSE))
+		    set_bit(cursor_image, stride, flags, x, y, FALSE);
+		if (get_bit(src, stride, flags, xin, yin, TRUE))
+		    set_bit(cursor_image, stride, flags, 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;
+
+    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;
+    
+    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 = xalloc (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;
+    
+    /* initial mode setting will not have set a screen yet */
+    if (!screen)
+	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)
+    {
+#ifdef ARGB_CURSOR
+	if (cursor->bits->argb && cursor_info->LoadCursorARGB)
+	    (*cursor_info->LoadCursorARGB) (scrn, cursor);
+	else
+#endif
+	    (*cursor_info->LoadCursorImage)(cursor_info->pScrn,
+					    cursor->devPriv[screen->myNum]);
+
+	(*cursor_info->SetCursorPosition)(cursor_info->pScrn, x, y);
+	(*cursor_info->ShowCursor)(cursor_info->pScrn);
+    }
+}
+
+/**
+ * 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;
+    }
+    if (xf86_config->cursor_image)
+    {
+	xfree (xf86_config->cursor_image);
+	xf86_config->cursor_image = NULL;
+    }
+}