tests: Add check_surfaces_geometry()

Minor refactoring to simplify initial sanity checks of surfaces.
Conceivably useful for other basic checking.

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-By: Derek Foreman <derekf@osg.samsung.com>

diff --git a/tests/weston-test-client-helper.c b/tests/weston-test-client-helper.c
index e6817bd..1bfd43f 100644 (file)
--- a/tests/weston-test-client-helper.c
+++ b/tests/weston-test-client-helper.c
@@ -877,6 +877,31 @@ screenshot_reference_filename(const char *basename, uint32_t seq) {
 }
 
 /**
+ * check_surfaces_geometry() - verifies two surfaces are same size
+ *
+ * @returns true if surfaces have the same width and height, or false
+ * if not, or if there is no actual data.
+ */
+bool
+check_surfaces_geometry(const struct surface *a, const struct surface *b)
+{
+       if (a == NULL || b == NULL) {
+               printf("Undefined surfaces\n");
+               return false;
+       }
+       else if (a->data == NULL || b->data == NULL) {
+               printf("Undefined data\n");
+               return false;
+       }
+       else if (a->width != b->width || a->height != b->height) {
+               printf("Mismatched dimensions:  %d,%d != %d,%d\n",
+                      a->width, a->height, b->width, b->height);
+               return false;
+       }
+       return true;
+}
+
+/**
  * check_surfaces_equal() - tests if two surfaces are pixel-identical
  *
  * Returns true if surface buffers have all the same byte values,
@@ -888,9 +913,7 @@ check_surfaces_equal(const struct surface *a, const struct surface *b)
 {
        int bpp = 4;  /* Assumes ARGB */
 
-       if (a == NULL || b == NULL)
-               return false;
-       if (a->width != b->width || a->height != b->height)
+       if (!check_surfaces_geometry(a, b))
                return false;
 
        return (memcmp(a->data, b->data, bpp * a->width * a->height) == 0);
@@ -912,18 +935,9 @@ check_surfaces_match_in_clip(const struct surface *a, const struct surface *b, c
        void *p, *q;
        int bpp = 4;  /* Assumes ARGB */
 
-       if (a == NULL || b == NULL || clip_rect == NULL)
+       if (!check_surfaces_geometry(a, b) || clip_rect == NULL)
                return false;
 
-       if (a->data == NULL || b->data == NULL) {
-               printf("Undefined data\n");
-               return false;
-       }
-       if (a->width != b->width || a->height != b->height) {
-               printf("Mismatched dimensions:  %d,%d != %d,%d\n",
-                      a->width, a->height, b->width, b->height);
-               return false;
-       }
        if (clip_rect->x > a->width || clip_rect->y > a->height) {
                printf("Clip outside image boundaries\n");
                return true;

diff --git a/tests/weston-test-client-helper.h b/tests/weston-test-client-helper.h
index 0ff2877..5762258 100644 (file)
--- a/tests/weston-test-client-helper.h
+++ b/tests/weston-test-client-helper.h
@@ -200,6 +200,9 @@ char*
 screenshot_reference_filename(const char *basename, uint32_t seq);
 
 bool
+check_surfaces_geometry(const struct surface *a, const struct surface *b);
+
+bool
 check_surfaces_equal(const struct surface *a, const struct surface *b);
 
 bool