WindowPtr
miSpriteTrace(SpritePtr pSprite, int x, int y)
{
WindowPtr pWin;
BoxRec box;
pWin = DeepestSpriteWin(pSprite)->firstChild;
while (pWin) {
if ((pWin->mapped) &&
(x >= pWin->drawable.x - wBorderWidth(pWin)) &&
(x < pWin->drawable.x + (int) pWin->drawable.width +
wBorderWidth(pWin)) &&
(y >= pWin->drawable.y - wBorderWidth(pWin)) &&
(y < pWin->drawable.y + (int) pWin->drawable.height +
wBorderWidth(pWin))
/* When a window is shaped, a further check
* is made to see if the point is inside
* borderSize
*/
&& (!wBoundingShape(pWin) || PointInBorderSize(pWin, x, y))
&& (!wInputShape(pWin) ||
RegionContainsPoint(wInputShape(pWin),
x - pWin->drawable.x,
y - pWin->drawable.y, &box))
#ifdef ROOTLESS
/* In rootless mode windows may be offscreen, even when
* they're in X's stack. (E.g. if the native window system
* implements some form of virtual desktop system).
*/
&& !pWin->rootlessUnhittable
#endif
) {
if (pSprite->spriteTraceGood >= pSprite->spriteTraceSize) {
pSprite->spriteTraceSize += 10;
pSprite->spriteTrace = realloc(pSprite->spriteTrace,
pSprite->spriteTraceSize *
sizeof(WindowPtr));
}
pSprite->spriteTrace[pSprite->spriteTraceGood++] = pWin;
pWin = pWin->firstChild;
}
else
pWin = pWin->nextSib;
}
return DeepestSpriteWin(pSprite);
}
static Bool
glamor_poly_glyph_blt_gl(DrawablePtr drawable, GCPtr gc,
int start_x, int y, unsigned int nglyph,
CharInfoPtr *ppci, void *pglyph_base)
{
ScreenPtr screen = drawable->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv;
glamor_program *prog;
RegionPtr clip = gc->pCompositeClip;
int box_index;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
goto bail;
glamor_make_current(glamor_priv);
prog = glamor_use_program_fill(pixmap, gc,
&glamor_priv->poly_glyph_blt_progs,
&glamor_facet_poly_glyph_blt);
if (!prog)
goto bail;
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
start_x += drawable->x;
y += drawable->y;
glamor_pixmap_loop(pixmap_priv, box_index) {
int x;
int n;
int num_points, max_points;
INT16 *points = NULL;
int off_x, off_y;
char *vbo_offset;
glamor_set_destination_drawable(drawable, box_index, FALSE, TRUE,
prog->matrix_uniform, &off_x, &off_y);
max_points = 500;
num_points = 0;
x = start_x;
for (n = 0; n < nglyph; n++) {
CharInfoPtr charinfo = ppci[n];
int w = GLYPHWIDTHPIXELS(charinfo);
int h = GLYPHHEIGHTPIXELS(charinfo);
uint8_t *glyphbits = FONTGLYPHBITS(NULL, charinfo);
if (w && h) {
int glyph_x = x + charinfo->metrics.leftSideBearing;
int glyph_y = y - charinfo->metrics.ascent;
int glyph_stride = GLYPHWIDTHBYTESPADDED(charinfo);
int xx, yy;
for (yy = 0; yy < h; yy++) {
uint8_t *glyph = glyphbits;
for (xx = 0; xx < w; glyph += ((xx&7) == 7), xx++) {
int pt_x_i = glyph_x + xx;
int pt_y_i = glyph_y + yy;
if (!(*glyph & (1 << (xx & 7))))
continue;
if (!RegionContainsPoint(clip, pt_x_i, pt_y_i, NULL))
continue;
if (!num_points) {
points = glamor_get_vbo_space(screen,
max_points *
(2 * sizeof (INT16)),
&vbo_offset);
glVertexAttribPointer(GLAMOR_VERTEX_POS,
2, GL_SHORT,
GL_FALSE, 0, vbo_offset);
}
*points++ = pt_x_i;
*points++ = pt_y_i;
num_points++;
if (num_points == max_points) {
glamor_put_vbo_space(screen);
glDrawArrays(GL_POINTS, 0, num_points);
num_points = 0;
}
}
glyphbits += glyph_stride;
}
}
x += charinfo->metrics.characterWidth;
}
if (num_points) {
glamor_put_vbo_space(screen);
glDrawArrays(GL_POINTS, 0, num_points);
}
}
