[gtk/wip/chergert/glproto: 218/526] include offset for linear gradient

[Christian Hergert <chergert src gnome org>]

commit c37dc4d80b260c21400b3b615bc17e867460deaf
Author: Christian Hergert <chergert redhat com>
Date:   Sun Jan 10 22:07:46 2021 -0800

    include offset for linear gradient

 gsk/next/gskglrenderjob.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gsk/next/gskglrenderjob.c b/gsk/next/gskglrenderjob.c
index aaf05a55bc..20679e10c1 100644
--- a/gsk/next/gskglrenderjob.c
+++ b/gsk/next/gskglrenderjob.c
@@ -837,10 +837,12 @@ gsk_gl_render_job_visit_linear_gradient_node (GskGLRenderJob *job,
                                  (const float *)stops);
   gsk_gl_program_set_uniform2f (job->driver->linear_gradient,
                                 UNIFORM_LINEAR_GRADIENT_START_POINT,
-                                start->x, start->y);
+                                job->offset_x + start->x,
+                                job->offset_y + start->y);
   gsk_gl_program_set_uniform2f (job->driver->linear_gradient,
                                 UNIFORM_LINEAR_GRADIENT_END_POINT,
-                                end->x, end->y);
+                                job->offset_x + end->x,
+                                job->offset_y + end->y);
   gsk_gl_render_job_draw_rect (job, &node->bounds);
   gsk_gl_program_end_draw (job->driver->linear_gradient);
 }