tests: refactor caps getting code out.

This just makes getting caps be common code.

Signed-off-by: Dave Airlie <airlied@redhat.com>

tests/testvirgl.c

@@ -267,7 +267,7 @@ int testvirgl_create_backed_simple_buffer(struct virgl_resource *res,
     return 0;
 }
 
-uint32_t testvirgl_get_glsl_level_from_caps(void)
+static void *get_caps(void)
 {
     uint32_t max_ver, max_size, glsl_level;
     void *caps;
@@ -276,11 +276,16 @@ uint32_t testvirgl_get_glsl_level_from_caps(void)
     ck_assert_int_eq(max_ver, 1);
     ck_assert_int_ne(max_size, 0);
     ck_assert_int_eq(max_size, sizeof(struct virgl_caps_v1));
-
     caps = malloc(max_size);
 
     virgl_renderer_fill_caps(0, 0, caps);
+    return caps;
+}
 
+uint32_t testvirgl_get_glsl_level_from_caps(void)
+{
+    uint32_t glsl_level;
+    void *caps = get_caps();
     struct virgl_caps_v1 *v1 = (struct virgl_caps_v1*) caps;
     glsl_level = v1->glsl_level;
 
@@ -291,18 +296,8 @@ uint32_t testvirgl_get_glsl_level_from_caps(void)
 
 unsigned testvirgl_get_multisample_from_caps(void)
 {
-  uint32_t max_ver, max_size;
+    void *caps = get_caps();
     unsigned multisample;
-  void *caps;
-
-  virgl_renderer_get_cap_set(1, &max_ver, &max_size);
-  ck_assert_int_eq(max_ver, 1);
-  ck_assert_int_ne(max_size, 0);
-  ck_assert_int_eq(max_size, sizeof(struct virgl_caps_v1));
-
-  caps = malloc(max_size);
-
-  virgl_renderer_fill_caps(0, 0, caps);
 
     struct virgl_caps_v1 *v1 = (struct virgl_caps_v1*) caps;
     multisample = v1->bset.texture_multisample;