tests: Check if multisample is available before running tests

Signed-off-by: Elie Tournier <elie.tournier@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob.bornecrantz@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

tests/test_virgl_resource.c

@@ -260,6 +260,13 @@ START_TEST(virgl_res_tests)
   ret = testvirgl_init_single_ctx();
   ck_assert_int_eq(ret, 0);
 
+  /* Do not test if multisample is not available */
+  unsigned multisample = testvirgl_get_multisample_from_caps();
+  if (!multisample) {
+    testvirgl_fini_single_ctx();
+    return;
+  }
+
   ret = virgl_renderer_resource_create(&testlist[_i].args, NULL, 0);
   ck_assert_int_eq(ret, testlist[_i].retval);
 

tests/testvirgl.c

@@ -288,3 +288,26 @@ uint32_t testvirgl_get_glsl_level_from_caps(void)
 
   return glsl_level;
 }
+
+unsigned testvirgl_get_multisample_from_caps(void)
+{
+  uint32_t max_ver, max_size;
+  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;
+
+  free(caps);
+
+  return multisample;
+}

tests/testvirgl.h

@@ -78,4 +78,5 @@ int testvirgl_create_backed_simple_buffer(struct virgl_resource *res,
 					  int handle, int size, int bind);
 void testvirgl_destroy_backed_res(struct virgl_resource *res);
 uint32_t testvirgl_get_glsl_level_from_caps(void);
+unsigned testvirgl_get_multisample_from_caps(void);
 #endif