[Qemu-devel] [PATCH 3/3] virgl: pass whole GL scanout dimensions

[marcandre.lureau@redhat.com]

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Spice client needs the whole GL texture dimension to be able to show a
scanout with a monitor offset (different than +0+0).

Furthermore, this fixes a crash when calling surface_{width,height}()
after dpy_gfx_replace_surface(con, NULL) was called in
virgl_cmd_set_scanout()

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 hw/display/virtio-gpu-3d.c | 5 +++--
 include/ui/console.h       | 2 ++
 include/ui/gtk.h           | 1 +
 include/ui/sdl2.h          | 1 +
 ui/console.c               | 2 ++
 ui/gtk-egl.c               | 1 +
 ui/sdl2-gl.c               | 1 +
 ui/spice-display.c         | 6 +++---
 8 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c
index 29918a0..d6c8c6e 100644
--- a/hw/display/virtio-gpu-3d.c
+++ b/hw/display/virtio-gpu-3d.c
@@ -171,13 +171,14 @@ static void virgl_cmd_set_scanout(VirtIOGPU *g,
         virgl_renderer_force_ctx_0();
         dpy_gl_scanout(g->scanout[ss.scanout_id].con, info.tex_id,
                        info.flags & 1 /* FIXME: Y_0_TOP */,
+                       info.width, info.height,
                        ss.r.x, ss.r.y, ss.r.width, ss.r.height);
     } else {
         if (ss.scanout_id != 0) {
             dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, NULL);
         }
         dpy_gl_scanout(g->scanout[ss.scanout_id].con, 0, false,
-                       0, 0, 0, 0);
+                       0, 0, 0, 0, 0, 0);
     }
     g->scanout[ss.scanout_id].resource_id = ss.resource_id;
 }
@@ -580,7 +581,7 @@ void virtio_gpu_virgl_reset(VirtIOGPU *g)
         if (i != 0) {
             dpy_gfx_replace_surface(g->scanout[i].con, NULL);
         }
-        dpy_gl_scanout(g->scanout[i].con, 0, false, 0, 0, 0, 0);
+        dpy_gl_scanout(g->scanout[i].con, 0, false, 0, 0, 0, 0, 0, 0);
     }
 }
 
diff --git a/include/ui/console.h b/include/ui/console.h
index 52a5f65..c2d75ff 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -217,6 +217,7 @@ typedef struct DisplayChangeListenerOps {
 
     void (*dpy_gl_scanout)(DisplayChangeListener *dcl,
                            uint32_t backing_id, bool backing_y_0_top,
+                           uint32_t backing_width, uint32_t backing_height,
                            uint32_t x, uint32_t y, uint32_t w, uint32_t h);
     void (*dpy_gl_update)(DisplayChangeListener *dcl,
                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
@@ -285,6 +286,7 @@ bool dpy_gfx_check_format(QemuConsole *con,
 
 void dpy_gl_scanout(QemuConsole *con,
                     uint32_t backing_id, bool backing_y_0_top,
+                    uint32_t backing_width, uint32_t backing_height,
                     uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 void dpy_gl_update(QemuConsole *con,
                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
diff --git a/include/ui/gtk.h b/include/ui/gtk.h
index 2bf60f3..a764404 100644
--- a/include/ui/gtk.h
+++ b/include/ui/gtk.h
@@ -101,6 +101,7 @@ QEMUGLContext gd_egl_create_context(DisplayChangeListener *dcl,
                                     QEMUGLParams *params);
 void gd_egl_scanout(DisplayChangeListener *dcl,
                     uint32_t backing_id, bool backing_y_0_top,
+                    uint32_t backing_width, uint32_t backing_height,
                     uint32_t x, uint32_t y,
                     uint32_t w, uint32_t h);
 void gd_egl_scanout_flush(DisplayChangeListener *dcl,
diff --git a/include/ui/sdl2.h b/include/ui/sdl2.h
index 3f0b57b..683bb6a 100644
--- a/include/ui/sdl2.h
+++ b/include/ui/sdl2.h
@@ -64,6 +64,7 @@ QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl);
 
 void sdl2_gl_scanout(DisplayChangeListener *dcl,
                      uint32_t backing_id, bool backing_y_0_top,
+                     uint32_t backing_width, uint32_t backing_height,
                      uint32_t x, uint32_t y,
                      uint32_t w, uint32_t h);
 void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
diff --git a/ui/console.c b/ui/console.c
index ce1e105..c24bfe4 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1709,11 +1709,13 @@ QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con)
 
 void dpy_gl_scanout(QemuConsole *con,
                     uint32_t backing_id, bool backing_y_0_top,
+                    uint32_t backing_width, uint32_t backing_height,
                     uint32_t x, uint32_t y, uint32_t width, uint32_t height)
 {
     assert(con->gl);
     con->gl->ops->dpy_gl_scanout(con->gl, backing_id,
                                  backing_y_0_top,
+                                 backing_width, backing_height,
                                  x, y, width, height);
 }
 
diff --git a/ui/gtk-egl.c b/ui/gtk-egl.c
index 431457c..3f5d328 100644
--- a/ui/gtk-egl.c
+++ b/ui/gtk-egl.c
@@ -172,6 +172,7 @@ QEMUGLContext gd_egl_create_context(DisplayChangeListener *dcl,
 
 void gd_egl_scanout(DisplayChangeListener *dcl,
                     uint32_t backing_id, bool backing_y_0_top,
+                    uint32_t backing_width, uint32_t backing_height,
                     uint32_t x, uint32_t y,
                     uint32_t w, uint32_t h)
 {
diff --git a/ui/sdl2-gl.c b/ui/sdl2-gl.c
index a324eca..039645d 100644
--- a/ui/sdl2-gl.c
+++ b/ui/sdl2-gl.c
@@ -186,6 +186,7 @@ QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl)
 
 void sdl2_gl_scanout(DisplayChangeListener *dcl,
                      uint32_t backing_id, bool backing_y_0_top,
+                     uint32_t backing_width, uint32_t backing_height,
                      uint32_t x, uint32_t y,
                      uint32_t w, uint32_t h)
 {
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 142c941..b511ff6 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -857,6 +857,8 @@ static QEMUGLContext qemu_spice_gl_create_context(DisplayChangeListener *dcl,
 static void qemu_spice_gl_scanout(DisplayChangeListener *dcl,
                                   uint32_t tex_id,
                                   bool y_0_top,
+                                  uint32_t backing_width,
+                                  uint32_t backing_height,
                                   uint32_t x, uint32_t y,
                                   uint32_t w, uint32_t h)
 {
@@ -879,9 +881,7 @@ static void qemu_spice_gl_scanout(DisplayChangeListener *dcl,
     assert(!tex_id || fd >= 0);
 
     /* note: spice server will close the fd */
-    spice_qxl_gl_scanout(&ssd->qxl, fd,
-                         surface_width(ssd->ds),
-                         surface_height(ssd->ds),
+    spice_qxl_gl_scanout(&ssd->qxl, fd, backing_width, backing_height,
                          stride, fourcc, y_0_top);
 
     qemu_spice_gl_monitor_config(ssd, x, y, w, h);
-- 
2.7.4