static void fill_rect(struct test_display *dpy, Picture p, uint8_t op,
int x, int y, int w, int h,
int dx, int dy, enum mask mask,
uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha)
{
XRenderColor render_color;
XTrapezoid trap;
Picture src;
render_color.red = red * alpha;
render_color.green = green * alpha;
render_color.blue = blue * alpha;
render_color.alpha = alpha << 8;
trap.left.p1.x = trap.left.p2.x = (x << 16) + dx;
trap.top = trap.left.p1.y = trap.right.p1.y = (y << 16) + dy;
trap.right.p1.x = trap.right.p2.x = ((x + w) << 16) + dx;
trap.bottom = trap.left.p2.y = trap.right.p2.y = ((y + h) << 16) + dy;
src = XRenderCreateSolidFill(dpy->dpy, &render_color);
XRenderCompositeTrapezoids(dpy->dpy,
op, src, p, mask_format(dpy->dpy, mask),
0, 0, &trap, 1);
XRenderFreePicture(dpy->dpy, src);
}
void
DoFixedTrapezoids(XParms xp, Parms p, int reps)
{
int i;
Picture white, black, src, dst;
white = XftDrawSrcPicture (aadraw, &aawhite);
black = XftDrawSrcPicture (aadraw, &aablack);
dst = XftDrawPicture (aadraw);
src = black;
for (i = 0; i != reps; i++) {
XRenderCompositeTrapezoids (xp->d, PictOpOver, src, dst, maskFormat,
0, 0, traps, p->objects);
if (src == black)
src = white;
else
src = black;
CheckAbort ();
}
}
/** Composite a list of trapezoids on the appropriate screen. For a
* complete description see the protocol document of the RENDER
* library. */
void dmxTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
PictFormatPtr maskFormat,
INT16 xSrc, INT16 ySrc,
int ntrap, xTrapezoid *traps)
{
ScreenPtr pScreen = pDst->pDrawable->pScreen;
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
PictureScreenPtr ps = GetPictureScreen(pScreen);
dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
DMX_UNWRAP(Trapezoids, dmxScreen, ps);
#if 0
if (ps->Trapezoids)
ps->Trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, *traps);
#endif
/* Draw trapezoids on back-end server */
if (pDstPriv->pict) {
XRenderPictFormat *pFormat;
pFormat = dmxFindFormat(dmxScreen, maskFormat);
if (!pFormat) {
/* FIXME: Error! */
}
XRenderCompositeTrapezoids(dmxScreen->beDisplay,
op,
pSrcPriv->pict,
pDstPriv->pict,
pFormat,
xSrc, ySrc,
(XTrapezoid *)traps,
ntrap);
dmxSync(dmxScreen, FALSE);
}
DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
}
void
XRenderCompositeDoublePoly (Display *dpy,
int op,
Picture src,
Picture dst,
_Xconst XRenderPictFormat *maskFormat,
int xSrc,
int ySrc,
int xDst,
int yDst,
_Xconst XPointDouble *fpoints,
int npoints,
int winding)
{
Edge *edges;
XTrapezoid *traps;
int i, nedges, ntraps;
XFixed x, y, prevx = 0, prevy = 0, firstx = 0, firsty = 0;
XFixed top = 0, bottom = 0; /* GCCism */
edges = (Edge *) Xmalloc (npoints * sizeof (Edge) +
(npoints * npoints * sizeof (XTrapezoid)));
if (!edges)
return;
traps = (XTrapezoid *) (edges + npoints);
nedges = 0;
for (i = 0; i <= npoints; i++)
{
if (i == npoints)
{
x = firstx;
y = firsty;
}
else
{
x = XDoubleToFixed (fpoints[i].x);
y = XDoubleToFixed (fpoints[i].y);
}
if (i)
{
if (y < top)
top = y;
else if (y > bottom)
bottom = y;
if (prevy < y)
{
edges[nedges].edge.p1.x = prevx;
edges[nedges].edge.p1.y = prevy;
edges[nedges].edge.p2.x = x;
edges[nedges].edge.p2.y = y;
edges[nedges].clockWise = True;
nedges++;
}
else if (prevy > y)
{
edges[nedges].edge.p1.x = x;
edges[nedges].edge.p1.y = y;
edges[nedges].edge.p2.x = prevx;
edges[nedges].edge.p2.y = prevy;
edges[nedges].clockWise = False;
nedges++;
}
/* drop horizontal edges */
}
else
{
top = y;
bottom = y;
firstx = x;
firsty = y;
}
prevx = x;
prevy = y;
}
ntraps = XRenderComputeTrapezoids (edges, nedges, winding, traps);
/* XXX adjust xSrc/xDst */
XRenderCompositeTrapezoids (dpy, op, src, dst, maskFormat, xSrc, ySrc, traps, ntraps);
Xfree (edges);
}
static void trap_tests(struct test *t,
enum mask mask,
enum trapezoid trapezoid,
int reps, int sets,
enum target target)
{
struct test_target real, ref;
XTrapezoid *traps;
int max_traps = 65536;
int r, s, n;
traps = malloc(sizeof(*traps) * max_traps);
if (traps == NULL)
return;
printf("Testing trapezoids (%s with mask %s) (%s): ",
trapezoid_name(trapezoid),
mask_name(mask),
test_target_name(target));
fflush(stdout);
test_target_create_render(&t->real, target, &real);
clear(&t->real, &real);
test_target_create_render(&t->ref, target, &ref);
clear(&t->ref, &ref);
for (s = 0; s < sets; s++) {
for (r = 0; r < reps; r++) {
XRenderColor render_color;
int op = ops[rand() % sizeof(ops)];
int red = rand() % 0xff;
int green = rand() % 0xff;
int blue = rand() % 0xff;
int alpha = rand() % 0xff;
int num_traps = rand() % max_traps;
Picture src;
for (n = 0; n < num_traps; n++)
random_trapezoid(&traps[n], 0,
0, 0, real.width, real.height);
render_color.red = red * alpha;
render_color.green = green * alpha;
render_color.blue = blue * alpha;
render_color.alpha = alpha << 8;
src = XRenderCreateSolidFill(t->real.dpy,
&render_color);
XRenderCompositeTrapezoids(t->real.dpy,
op, src, real.picture,
mask_format(t->real.dpy, mask),
0, 0, traps, num_traps);
XRenderFreePicture(t->real.dpy, src);
src = XRenderCreateSolidFill(t->ref.dpy,
&render_color);
XRenderCompositeTrapezoids(t->ref.dpy,
op, src, ref.picture,
mask_format(t->ref.dpy, mask),
0, 0, traps, num_traps);
XRenderFreePicture(t->ref.dpy, src);
}
test_compare(t,
real.draw, real.format,
ref.draw, ref.format,
0, 0, real.width, real.height,
"");
}
printf("passed [%d iterations x %d]\n", reps, sets);
test_target_destroy_render(&t->real, &real);
test_target_destroy_render(&t->ref, &ref);
free(traps);
}
static void edge_test(struct test *t,
enum mask mask,
enum edge edge,
enum target target)
{
struct test_target out, ref;
XRenderColor white = { 0xffff, 0xffff, 0xffff, 0xffff };
Picture src_ref, src_out;
XTrapezoid trap;
int left_or_right, p;
test_target_create_render(&t->out, target, &out);
set_edge(t->out.dpy, out.picture, edge);
src_out = XRenderCreateSolidFill(t->out.dpy, &white);
test_target_create_render(&t->ref, target, &ref);
set_edge(t->ref.dpy, ref.picture, edge);
src_ref = XRenderCreateSolidFill(t->ref.dpy, &white);
printf("Testing edges (with mask %s and %s edges) (%s): ",
mask_name(mask),
edge_name(edge),
test_target_name(target));
fflush(stdout);
for (left_or_right = 0; left_or_right <= 1; left_or_right++) {
for (p = -64; p <= out.width + 64; p++) {
char buf[80];
if (left_or_right) {
trap.left.p1.x = 0;
trap.left.p1.y = 0;
trap.left.p2.x = 0;
trap.left.p2.y = out.height << 16;
trap.right.p1.x = p << 16;
trap.right.p1.y = 0;
trap.right.p2.x = out.width << 16;
trap.right.p2.y = out.height << 16;
} else {
trap.right.p1.x = out.width << 16;
trap.right.p1.y = 0;
trap.right.p2.x = out.width << 16;
trap.right.p2.y = out.height << 16;
trap.left.p1.x = 0;
trap.left.p1.y = 0;
trap.left.p2.x = p << 16;
trap.left.p2.y = out.height << 16;
}
trap.top = 0;
trap.bottom = out.height << 16;
sprintf(buf,
"trap=((%d, %d), (%d, %d)), ((%d, %d), (%d, %d))\n",
trap.left.p1.x >> 16, trap.left.p1.y >> 16,
trap.left.p2.x >> 16, trap.left.p2.y >> 16,
trap.right.p1.x >> 16, trap.right.p1.y >> 16,
trap.right.p2.x >> 16, trap.right.p2.y >> 16);
clear(&t->out, &out);
XRenderCompositeTrapezoids(t->out.dpy,
PictOpSrc,
src_out,
out.picture,
mask_format(t->out.dpy, mask),
0, 0,
&trap, 1);
clear(&t->ref, &ref);
XRenderCompositeTrapezoids(t->ref.dpy,
PictOpSrc,
src_ref,
ref.picture,
mask_format(t->ref.dpy, mask),
0, 0,
&trap, 1);
test_compare(t,
out.draw, out.format,
ref.draw, ref.format,
0, 0, out.width, out.height,
buf);
}
}
XRenderFreePicture(t->out.dpy, src_out);
test_target_destroy_render(&t->out, &out);
XRenderFreePicture(t->ref.dpy, src_ref);
test_target_destroy_render(&t->ref, &ref);
printf("pass\n");
}
