Mesa (master): egl: properly count configs

[Eric Engeström]

Module: Mesa
Branch: master
Commit: c87f73724efbec493d0149738d3a7ea11bfab222
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c87f73724efbec493d0149738d3a7ea11bfab222

Author: Eric Engestrom <eric at engestrom.ch>
Date:   Wed Jun 21 21:55:56 2017 +0100

egl: properly count configs

dri2_conf represents another config (which shouldn't be counted)
if it doesn't have the requested ID.

Reported-by: Liu Zhiquan <zhiquan.liu at intel.com>
Signed-off-by: Eric Engestrom <eric at engestrom.ch>
Cc: <mesa-stable at lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.velikov at collabora.com>

---

 src/egl/drivers/dri2/platform_android.c     | 3 ++-
 src/egl/drivers/dri2/platform_drm.c         | 3 ++-
 src/egl/drivers/dri2/platform_surfaceless.c | 3 ++-
 src/egl/drivers/dri2/platform_wayland.c     | 3 ++-
 src/egl/drivers/dri2/platform_x11.c         | 6 ++++--
 5 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/egl/drivers/dri2/platform_android.c b/src/egl/drivers/dri2/platform_android.c
index eaaeff4641..dba5ad6d55 100644
--- a/src/egl/drivers/dri2/platform_android.c
+++ b/src/egl/drivers/dri2/platform_android.c
@@ -1079,7 +1079,8 @@ droid_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
          dri2_conf = dri2_add_config(dpy, dri2_dpy->driver_configs[j],
                count + 1, surface_type, config_attrs, visuals[i].rgba_masks);
          if (dri2_conf) {
-            count++;
+            if (dri2_conf->base.ConfigID == count + 1)
+               count++;
             format_count[i]++;
          }
       }
diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index 2cf7106255..869f599df5 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -631,7 +631,8 @@ drm_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
          dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
                count + 1, EGL_WINDOW_BIT, attr_list, NULL);
          if (dri2_conf) {
-            count++;
+            if (dri2_conf->base.ConfigID == count + 1)
+               count++;
             format_count[j]++;
          }
       }
diff --git a/src/egl/drivers/dri2/platform_surfaceless.c b/src/egl/drivers/dri2/platform_surfaceless.c
index 0eb3fb7505..f292f2b3fe 100644
--- a/src/egl/drivers/dri2/platform_surfaceless.c
+++ b/src/egl/drivers/dri2/platform_surfaceless.c
@@ -212,7 +212,8 @@ surfaceless_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *dpy)
                count + 1, EGL_PBUFFER_BIT, NULL, visuals[j].rgba_masks);
 
          if (dri2_conf) {
-            count++;
+            if (dri2_conf->base.ConfigID == count + 1)
+               count++;
             format_count[j]++;
          }
       }
diff --git a/src/egl/drivers/dri2/platform_wayland.c b/src/egl/drivers/dri2/platform_wayland.c
index 1444449e8c..128ef75105 100644
--- a/src/egl/drivers/dri2/platform_wayland.c
+++ b/src/egl/drivers/dri2/platform_wayland.c
@@ -1131,7 +1131,8 @@ dri2_wl_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
          dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
                count + 1, EGL_WINDOW_BIT, NULL, visuals[j].rgba_masks);
          if (dri2_conf) {
-            count++;
+            if (dri2_conf->base.ConfigID == count + 1)
+               count++;
             format_count[j]++;
          }
       }
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index 95e560a32a..f91ad67d5f 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -773,7 +773,8 @@ dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
             dri2_conf = dri2_add_config(disp, config, count + 1, surface_type,
                                         config_attrs, rgba_masks);
             if (dri2_conf)
-               count++;
+               if (dri2_conf->base.ConfigID == count + 1)
+                  count++;
 
             /* Allow a 24-bit RGB visual to match a 32-bit RGBA EGLConfig.
              * Otherwise it will only match a 32-bit RGBA visual.  On a
@@ -788,7 +789,8 @@ dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
                dri2_conf = dri2_add_config(disp, config, count + 1, surface_type,
                                            config_attrs, rgba_masks);
                if (dri2_conf)
-                  count++;
+                  if (dri2_conf->base.ConfigID == count + 1)
+                     count++;
             }
 	 }
       }