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Software backing store support.

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git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@30 423420c4-83ab-492f-b58f-81f9feb106b5
This commit is contained in:
Matt Chapman 2001-09-15 03:16:05 +00:00
parent 24ea31f68a
commit 973ffe2dc1
1 changed files with 78 additions and 17 deletions
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95
xwin.c
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@ -34,7 +34,16 @@ static GC gc;
static Visual *visual;
static int depth;
static int bpp;
static BOOL backpixmap;
static BOOL ownbackstore;
static Pixmap backstore;
#define FILL_RECTANGLE(x,y,cx,cy)\
{ \
XFillRectangle(display, wnd, gc, x, y, cx, cy); \
if (ownbackstore) \
XFillRectangle(display, backstore, gc, x, y, cx, cy); \
}
static BOOL owncolmap;
static Colormap xcolmap;
@ -192,7 +201,7 @@ ui_create_window(char *title)
attribs.backing_store = DoesBackingStore(screen);
if (attribs.backing_store == NotUseful)
backpixmap = True;
ownbackstore = True;
if (fullscreen)
{
@ -240,9 +249,15 @@ ui_create_window(char *title)
if (sendmotion)
input_mask |= PointerMotionMask;
if (ownbackstore)
input_mask |= ExposureMask;
XSelectInput(display, wnd, input_mask);
gc = XCreateGC(display, wnd, 0, NULL);
if (ownbackstore)
backstore = XCreatePixmap(display, wnd, width, height, depth);
XMapWindow(display, wnd);
return True;
}
@ -250,6 +265,9 @@ ui_create_window(char *title)
void
ui_destroy_window()
{
if (ownbackstore)
XFreePixmap(display, backstore);
XFreeGC(display, gc);
XDestroyWindow(display, wnd);
XCloseDisplay(display);
@ -398,6 +416,13 @@ ui_process_events()
case LeaveNotify:
XUngrabKeyboard(display, CurrentTime);
break;
case Expose:
XCopyArea(display, backstore, wnd, gc,
event.xexpose.x, event.xexpose.y,
event.xexpose.width, event.xexpose.height,
event.xexpose.x, event.xexpose.y);
break;
}
}
}
@ -439,7 +464,15 @@ ui_paint_bitmap(int x, int y, int cx, int cy,
image = XCreateImage(display, visual, depth, ZPixmap,
0, tdata, width, height, 8, 0);
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy);
if (ownbackstore)
{
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy);
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y);
}
else
{
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy);
}
XFree(image);
if (!owncolmap)
@ -671,7 +704,7 @@ ui_destblt(uint8 opcode,
/* dest */ int x, int y, int cx, int cy)
{
SET_FUNCTION(opcode);
XFillRectangle(display, wnd, gc, x, y, cx, cy);
FILL_RECTANGLE(x, y, cx, cy);
RESET_FUNCTION(opcode);
}
@ -688,7 +721,7 @@ ui_patblt(uint8 opcode,
{
case 0: /* Solid */
SET_FOREGROUND(fgcolour);
XFillRectangle(display, wnd, gc, x, y, cx, cy);
FILL_RECTANGLE(x, y, cx, cy);
break;
case 3: /* Pattern */
@ -700,7 +733,7 @@ ui_patblt(uint8 opcode,
XSetStipple(display, gc, fill);
XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin);
XFillRectangle(display, wnd, gc, x, y, cx, cy);
FILL_RECTANGLE(x, y, cx, cy);
XSetFillStyle(display, gc, FillSolid);
ui_destroy_glyph((HGLYPH)fill);
@ -720,6 +753,9 @@ ui_screenblt(uint8 opcode,
{
SET_FUNCTION(opcode);
XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y);
if (ownbackstore)
XCopyArea(display, backstore, backstore, gc, srcx, srcy,
cx, cy, x, y);
RESET_FUNCTION(opcode);
}
@ -730,6 +766,9 @@ ui_memblt(uint8 opcode,
{
SET_FUNCTION(opcode);
XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy, cx, cy, x, y);
if (ownbackstore)
XCopyArea(display, (Pixmap)src, backstore, gc, srcx, srcy,
cx, cy, x, y);
RESET_FUNCTION(opcode);
}
@ -778,6 +817,8 @@ ui_line(uint8 opcode,
SET_FUNCTION(opcode);
SET_FOREGROUND(pen->colour);
XDrawLine(display, wnd, gc, startx, starty, endx, endy);
if (ownbackstore)
XDrawLine(display, backstore, gc, startx, starty, endx, endy);
RESET_FUNCTION(opcode);
}
@ -787,7 +828,7 @@ ui_rect(
/* brush */ int colour)
{
SET_FOREGROUND(colour);
XFillRectangle(display, wnd, gc, x, y, cx, cy);
FILL_RECTANGLE(x, y, cx, cy);
}
void
@ -804,7 +845,7 @@ ui_draw_glyph(int mixmode,
XSetStipple(display, gc, (Pixmap)glyph);
XSetTSOrigin(display, gc, x, y);
XFillRectangle(display, wnd, gc, x, y, cx, cy);
FILL_RECTANGLE(x, y, cx, cy);
XSetFillStyle(display, gc, FillSolid);
}
@ -821,9 +862,13 @@ ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y,
SET_FOREGROUND(bgcolour);
if (boxcx > 1)
XFillRectangle(display, wnd, gc, boxx, boxy, boxcx, boxcy);
{
FILL_RECTANGLE(boxx, boxy, boxcx, boxcy);
}
else if (mixmode == MIX_OPAQUE)
XFillRectangle(display, wnd, gc, clipx, clipy, clipcx, clipcy);
{
FILL_RECTANGLE(clipx, clipy, clipcx, clipcy);
}
/* Paint text, character by character */
for (i = 0; i < length; i++)
@ -862,17 +907,25 @@ ui_desktop_save(uint32 offset, int x, int y, int cx, int cy)
Pixmap pix;
XImage *image;
pix = XCreatePixmap(display, wnd, cx, cy, depth);
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0);
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap);
if (ownbackstore)
{
image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes,
ZPixmap);
}
else
{
pix = XCreatePixmap(display, wnd, cx, cy, depth);
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0);
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes,
ZPixmap);
XFreePixmap(display, pix);
}
offset *= bpp/8;
cache_put_desktop(offset, cx, cy, image->bytes_per_line,
bpp/8, image->data);
XDestroyImage(image);
XFreePixmap(display, pix);
}
void
@ -890,7 +943,15 @@ ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy)
0, data, cx, cy, BitmapPad(display),
cx * bpp/8);
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy);
if (ownbackstore)
{
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy);
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y);
}
else
{
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy);
}
XFree(image);
}