r300g: Let hyperz init fail

Signed-off-by: Marek Olšák <maraeo@gmail.com>

1 files changed, 17 insertions, 4 deletions

diff --git a/src/gallium/drivers/r300/r300_hyperz.c b/src/gallium/drivers/r300/r300_hyperz.c
index 811b5646e1..a471b7353b 100644
--- a/src/gallium/drivers/r300/r300_hyperz.c
+++ b/src/gallium/drivers/r300/r300_hyperz.c
@@ -373,23 +373,36 @@ void r300_zmask_alloc_block(struct r300_context *r300, struct r300_surface *surf
     return;
 }
 
-void r300_hyperz_init_mm(struct r300_context *r300)
+boolean r300_hyperz_init_mm(struct r300_context *r300)
 {
     struct r300_screen* r300screen = r300->screen;
     int frag_pipes = r300screen->caps.num_frag_pipes;
 
-    if (r300screen->caps.hiz_ram)
+    r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes);
+    if (!r300->zmask_mm)
+      return FALSE;
+
+    if (r300screen->caps.hiz_ram) {
       r300->hiz_mm = u_mmInit(0, r300screen->caps.hiz_ram * frag_pipes);
+      if (!r300->hiz_mm) {
+        u_mmDestroy(r300->zmask_mm);
+        r300->zmask_mm = NULL;
+        return FALSE;
+      }
+    }
 
-    r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes);
+    return TRUE;
 }
 
 void r300_hyperz_destroy_mm(struct r300_context *r300)
 {
     struct r300_screen* r300screen = r300->screen;
 
-    if (r300screen->caps.hiz_ram)
+    if (r300screen->caps.hiz_ram) {
       u_mmDestroy(r300->hiz_mm);
+      r300->hiz_mm = NULL;
+    }
 
     u_mmDestroy(r300->zmask_mm);
+    r300->zmask_mm = NULL;
 }