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glamor_getspans: Reuse glamor_download_sub_pixmap.

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Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Zhigang Gong 2012-04-15 23:16:51 +08:00 committed by Eric Anholt
parent 68a5cc6f37
commit 65c5605c96
1 changed files with 8 additions and 58 deletions
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66
glamor/glamor_getspans.c
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@ -34,74 +34,26 @@ _glamor_get_spans(DrawablePtr drawable,
Bool fallback)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
GLenum format, type;
int no_alpha, revert;
glamor_screen_private *glamor_priv =
glamor_get_screen_private(drawable->pScreen);
glamor_pixmap_private *pixmap_priv =
glamor_get_pixmap_private(pixmap);
glamor_gl_dispatch *dispatch;
glamor_pixmap_fbo *temp_fbo = NULL;
int i;
uint8_t *readpixels_dst = (uint8_t *) dst;
void *data;
int x_off, y_off;
Bool ret = FALSE;
int swap_rb;
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) {
glamor_fallback("pixmap has no fbo.\n");
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
goto fail;
}
if (glamor_get_tex_format_type_from_pixmap(pixmap,
&format,
&type, &no_alpha,
&revert, &swap_rb, 0)) {
glamor_fallback("unknown depth. %d \n", drawable->depth);
goto fail;
}
if (revert > REVERT_NORMAL)
goto fail;
glamor_set_destination_pixmap_priv_nc(pixmap_priv);
glamor_validate_pixmap(pixmap);
if (glamor_priv->gl_flavor == GLAMOR_GL_ES2
&& ( swap_rb != SWAP_NONE_DOWNLOADING
|| revert != REVERT_NONE)) {
/* XXX prepare whole pixmap is not efficient. */
temp_fbo =
glamor_es2_pixmap_read_prepare(pixmap, 0, 0, pixmap->drawable.width, pixmap->drawable.height, format,
type, no_alpha,
revert, swap_rb);
if (temp_fbo == NULL)
goto fail;
}
glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
dispatch = glamor_get_dispatch(glamor_priv);
for (i = 0; i < count; i++) {
if (glamor_priv->yInverted) {
dispatch->glReadPixels(points[i].x + x_off,
(points[i].y + y_off),
widths[i], 1, format,
type, readpixels_dst);
} else {
dispatch->glReadPixels(points[i].x + x_off,
pixmap->drawable.height -
1 - (points[i].y + y_off),
widths[i], 1, format,
type, readpixels_dst);
}
readpixels_dst +=
PixmapBytePad(widths[i], drawable->depth);
data = glamor_download_sub_pixmap_to_cpu(pixmap, points[i].x + x_off,
points[i].y + y_off, widths[i], 1,
PixmapBytePad(widths[i], drawable->depth),
readpixels_dst, 0, GLAMOR_ACCESS_RO);
assert(data == readpixels_dst);
readpixels_dst += PixmapBytePad(widths[i], drawable->depth);
}
glamor_put_dispatch(glamor_priv);
if (temp_fbo)
glamor_destroy_fbo(temp_fbo);
ret = TRUE;
goto done;
@ -112,8 +64,6 @@ fail:
goto done;
ret = TRUE;
glamor_fallback("from %p (%c)\n", drawable,
glamor_get_drawable_location(drawable));
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RO)) {
fbGetSpans(drawable, wmax, points, widths, count, dst);
glamor_finish_access(drawable, GLAMOR_ACCESS_RO);