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glamor: Implement glCopyPixels based src == dest CopyArea acceleration

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Eric Anholt 2010-02-11 09:47:38 -08:00 committed by Zhigang Gong
parent 0565c1d789
commit 5360b1e8bb
1 changed files with 89 additions and 28 deletions
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117
glamor/glamor_copyarea.c
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@ -32,18 +32,70 @@
* GC CopyArea implementation
*/
void
glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
static Bool
glamor_copy_n_to_n_copypixels(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy)
{
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
int i;
if (src != dst) {
glamor_fallback("glamor_copy_n_to_n_copypixels(): src != dest\n");
return FALSE;
}
if (gc) {
if (gc->alu != GXcopy) {
glamor_fallback("glamor_copy_n_to_n_copypixels(): non-copy ALU\n");
return FALSE;
}
if (!glamor_pm_is_solid(dst, gc->planemask)) {
glamor_fallback("glamor_copy_n_to_n_copypixels(): "
"non-solid planemask\n");
return FALSE;
}
}
if (!glamor_set_destination_pixmap(dst_pixmap))
return FALSE;
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glOrtho(0, dst_pixmap->drawable.width,
0, dst_pixmap->drawable.height,
-1, 1);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
for (i = 0; i < nbox; i++) {
int flip_y1 = dst_pixmap->drawable.height - 1 - box[i].y2;
glRasterPos2i(box[i].x1 - dst_pixmap->screen_x,
flip_y1 - dst_pixmap->screen_x);
glCopyPixels(box[i].x1 + dx - src_pixmap->screen_x,
flip_y1 - dy - src_pixmap->screen_y,
box[i].x2 - box[i].x1,
box[i].y2 - box[i].y1,
GL_COLOR);
}
return TRUE;
}
static Bool
glamor_copy_n_to_n_textured(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy)
{
glamor_screen_private *glamor_priv =
glamor_get_screen_private(dst->pScreen);
@ -116,22 +168,33 @@ glamor_copy_n_to_n(DrawablePtr src,
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
#if 0
for (i = 0; i < nbox; i++) {
glRasterPos2i(box[i].x1 - dst_pixmap->screen_x,
box[i].y1 - dst_pixmap->screen_y);
glCopyPixels(box[i].x1 + dx - src_pixmap->screen_x,
box[i].y1 + dy - src_pixmap->screen_y,
box[i].x2 - box[i].x1,
box[i].y2 - box[i].y1,
GL_COLOR);
}
#endif
return;
return TRUE;
fail:
glamor_set_alu(GXcopy);
glamor_set_planemask(dst_pixmap, ~0);
return FALSE;
}
void
glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown,
Pixel bitplane,
void *closure)
{
if (glamor_copy_n_to_n_copypixels(src, dst, gc, box, nbox, dx, dy))
return;
if (glamor_copy_n_to_n_textured(src, dst, gc, box, nbox, dx, dy))
return;
glamor_fallback("glamor_copy_area() from %p to %p (%c,%c)\n", src, dst,
glamor_get_drawable_location(src),
glamor_get_drawable_location(dst));
@ -144,8 +207,6 @@ fail:
}
glamor_finish_access(dst);
}
glamor_set_alu(GXcopy);
glamor_set_planemask(dst_pixmap, ~0);
}
RegionPtr