[gtk/wip/chergert/glproto: 144/493] ideate around offscreen

[Christian Hergert <chergert src gnome org>]

commit c296679aa68d074f15daa578b61dd5af1cf69666
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jan 8 11:04:25 2021 -0800

    ideate around offscreen

 gsk/next/gskgldriver.c        |  1 -
 gsk/next/gskgldriverprivate.h |  3 ++-
 gsk/next/gskglrenderjob.c     | 19 ++++++++++---------
 3 files changed, 12 insertions(+), 11 deletions(-)
---
diff --git a/gsk/next/gskgldriver.c b/gsk/next/gskgldriver.c
index bf3111bd3c..8dae020a72 100644
--- a/gsk/next/gskgldriver.c
+++ b/gsk/next/gskgldriver.c
@@ -575,7 +575,6 @@ gsk_next_driver_load_texture (GskNextDriver   *self,
   if (size_can_be_atlased (width, height))
     {
       GskGLTextureAtlas *atlas;
-      float x, y;
 
       if (gsk_gl_texture_library_lookup (GSK_GL_TEXTURE_LIBRARY (self->icons),
                                          texture, &atlas, area))
diff --git a/gsk/next/gskgldriverprivate.h b/gsk/next/gskgldriverprivate.h
index 793a217ad0..bf11e441c8 100644
--- a/gsk/next/gskgldriverprivate.h
+++ b/gsk/next/gskgldriverprivate.h
@@ -113,7 +113,8 @@ void           gsk_next_driver_cache_texture           (GskNextDriver        *se
 guint          gsk_next_driver_load_texture            (GskNextDriver        *self,
                                                         GdkTexture           *texture,
                                                         int                   min_filter,
-                                                        int                   mag_filter);
+                                                        int                   mag_filter,
+                                                        graphene_rect_t      *area);
 GskGLTexture  *gsk_next_driver_create_texture          (GskNextDriver        *self,
                                                         float                 width,
                                                         float                 height,
diff --git a/gsk/next/gskglrenderjob.c b/gsk/next/gskglrenderjob.c
index a990148929..84993b1a4e 100644
--- a/gsk/next/gskglrenderjob.c
+++ b/gsk/next/gskglrenderjob.c
@@ -97,10 +97,7 @@ typedef struct _GskGLRenderModelview
 typedef struct _GskGLRenderOffscreen
 {
   const graphene_rect_t *bounds;
-  float x;
-  float y;
-  float x2;
-  float y2;
+  graphene_rect_t area;
   guint texture_id;
   guint force_offscreen : 1;
   guint reset_clip : 1;
@@ -1844,10 +1841,10 @@ gsk_gl_render_job_visit_node_with_offscreen (GskGLRenderJob       *job,
     {
       /* Just to be safe. */
       offscreen->texture_id = 0;
-      offscreen->x = 0;
-      offscreen->x2 = 1;
-      offscreen->y = 0;
-      offscreen->y2 = 1;
+      offscreen->area.origin.x = 0;
+      offscreen->area.size.width = 1;
+      offscreen->area.origin.y = 0;
+      offscreen->area.origin.width = 1;
       return FALSE;
     }
 
@@ -1857,7 +1854,11 @@ gsk_gl_render_job_visit_node_with_offscreen (GskGLRenderJob       *job,
       GdkTexture *texture = gsk_texture_node_get_texture (node);
 
       offscreen->texture_id =
-        gsk_next_driver_load_texture (job->driver, texture, GL_LINEAR, GL_LINEAR);
+        gsk_next_driver_load_texture (job->driver,
+                                      texture,
+                                      GL_LINEAR,
+                                      GL_LINEAR,
+                                      &offscreen.area);
     }
 
   return FALSE;