Mesa (main): u_blitter/stencil: take dstbox x/y into accounts for dst fb width

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Module: Mesa
Branch: main
Commit: dbc264f50418306650e9ec5a0b8613fe0aabb228
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dbc264f50418306650e9ec5a0b8613fe0aabb228

Author: Dave Airlie <airlied at redhat.com>
Date:   Thu Apr 21 09:49:31 2022 +1000

u_blitter/stencil: take dstbox x/y into accounts for dst fb width

When setting the dst framebuffer width height, it might be silly
to constrain this beyond the dst resource, but at least constrain
it correctly to take account of x/y offsets.

This fixes some uses of this as a fallback for zink with
GTF-GL46.gtf30.GL3Tests.framebuffer_blit.framebuffer_blit_functionality_stencil_blit

Fixes: b4c07a8a87d0 ("gallium/util: allow scaling blits for stencil-fallback")
Reviewed-by: Erik Faye-Lund <erik.faye-lund at collabora.com>
Acked-by: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16069>

---

 src/gallium/auxiliary/util/u_blitter.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index a6b32a34e3c..aa10cec7706 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -2937,8 +2937,8 @@ util_blitter_stencil_fallback(struct blitter_context *blitter,
 
    /* set a framebuffer state */
    struct pipe_framebuffer_state fb_state = { 0 };
-   fb_state.width = dstbox->width;
-   fb_state.height = dstbox->height;
+   fb_state.width = dstbox->x + dstbox->width;
+   fb_state.height = dstbox->y + dstbox->height;
    fb_state.zsbuf = dst_view;
    pipe->set_framebuffer_state(pipe, &fb_state);
    pipe->set_sample_mask(pipe, ~0);