[Mesa-stable] [PATCH] st/xa: Fix regression in xa_yuv_planar_blit()

[Thomas Hellstrom]

Commit "st/xa: scissor to help tilers" broke xa_yuv_planar_blit() and vmwgfx
textured video. Fix this by implementing scissors also in the yuv draw path.

Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
Cc: Rob Clark <robclark at freedesktop.org>
Cc: "10.2 10.3" <mesa-stable at lists.freedesktop.org>
---
 src/gallium/state_trackers/xa/xa_renderer.c | 11 +++++++++++
 src/gallium/state_trackers/xa/xa_yuv.c      |  1 +
 2 files changed, 12 insertions(+)

diff --git a/src/gallium/state_trackers/xa/xa_renderer.c b/src/gallium/state_trackers/xa/xa_renderer.c
index 121d8ed..780b247 100644
--- a/src/gallium/state_trackers/xa/xa_renderer.c
+++ b/src/gallium/state_trackers/xa/xa_renderer.c
@@ -530,11 +530,22 @@ renderer_draw_yuv(struct xa_context *r,
                          src_x, src_y, src_w, src_h,
                          dst_x, dst_y, dst_w, dst_h, srf);
 
+   if (!r->scissor_valid) {
+       r->scissor.minx = 0;
+       r->scissor.miny = 0;
+       r->scissor.maxx = r->dst->tex->width0;
+       r->scissor.maxy = r->dst->tex->height0;
+   }
+
+   r->pipe->set_scissor_states(r->pipe, 0, 1, &r->scissor);
+
    cso_set_vertex_elements(r->cso, num_attribs, r->velems);
    util_draw_user_vertex_buffer(r->cso, r->buffer, PIPE_PRIM_QUADS,
                                 4,	/* verts */
                                 num_attribs);	/* attribs/vert */
    r->buffer_size = 0;
+
+   xa_scissor_reset(r);
 }
 
 void
diff --git a/src/gallium/state_trackers/xa/xa_yuv.c b/src/gallium/state_trackers/xa/xa_yuv.c
index 43f56ff..1519639 100644
--- a/src/gallium/state_trackers/xa/xa_yuv.c
+++ b/src/gallium/state_trackers/xa/xa_yuv.c
@@ -146,6 +146,7 @@ xa_yuv_planar_blit(struct xa_context *r,
 	int w = box->x2 - box->x1;
 	int h = box->y2 - box->y1;
 
+        xa_scissor_update(r, x, y, box->x2, box->y2);
 	renderer_draw_yuv(r,
 			  (float)src_x + scale_x * (x - dst_x),
 			  (float)src_y + scale_y * (y - dst_y),
-- 
1.8.3.2