test: Add a test for all the different color space / format combinations

3 files changed, 153 insertions, 0 deletions

diff --git a/test/Makefile.sources b/test/Makefile.sources
index 1062e253..1f136055 100644
--- a/test/Makefile.sources
+++ b/test/Makefile.sources
@@ -115,6 +115,7 @@ test_sources = \
 	group-unaligned.c				\
 	huge-linear.c					\
 	huge-radial.c					\
+	image-formats.c					\
 	image-surface-source.c				\
 	implicit-close.c				\
 	infinite-join.c					\
diff --git a/test/image-formats.c b/test/image-formats.c
new file mode 100644
index 00000000..6abe0750
--- /dev/null
+++ b/test/image-formats.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of
+ * Benjamin Otte not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Benjamin Otte makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * BENJAMIN OTTE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL BENJAMIN OTTE BE LIABLE FOR ANY SPECIAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Benjamin Otte <otte@redhat.com>
+ */
+
+#include "cairo-test.h"
+#include <pthread.h>
+#include <stdlib.h>
+
+#define SPACE 5
+#define BLOCK SPACE
+#define IMAGE (2 * BLOCK)
+
+#define N_FORMATS (CAIRO_FORMAT_PLANAR_420 + 1)
+#define N_COLOR_SPACES (CAIRO_COLOR_SPACE_YCBCR_JPEG + 1)
+
+#define WIDTH (SPACE + IMAGE) * N_FORMATS + SPACE
+#define HEIGHT (SPACE + IMAGE) * N_COLOR_SPACES + SPACE
+
+static void
+draw_surface (cairo_t *cr)
+{
+  cairo_set_source_rgb (cr, 0.75, 0, 0);
+  cairo_rectangle (cr, 0, 0, BLOCK, BLOCK);
+  cairo_fill (cr);
+
+  cairo_set_source_rgb (cr, 0, 0.75, 0);
+  cairo_rectangle (cr, 0, BLOCK, BLOCK, BLOCK);
+  cairo_fill (cr);
+
+  cairo_set_source_rgb (cr, 0, 0, 0.75);
+  cairo_rectangle (cr, BLOCK, 0, BLOCK, BLOCK);
+  cairo_fill (cr);
+
+  cairo_set_source_rgb (cr, 0.75, 0.75, 0.75);
+  cairo_rectangle (cr, BLOCK, BLOCK, BLOCK, BLOCK);
+  cairo_fill (cr);
+}
+
+static int
+get_planes_for_format (cairo_format_t format)
+{
+    switch (format) {
+    case CAIRO_FORMAT_PLANAR_444:
+    case CAIRO_FORMAT_PLANAR_422:
+    case CAIRO_FORMAT_PLANAR_420:
+        return 3;
+    case CAIRO_FORMAT_ARGB32:
+    case CAIRO_FORMAT_RGB24:
+    case CAIRO_FORMAT_A8:
+    case CAIRO_FORMAT_A1:
+    case CAIRO_FORMAT_RGB16_565:
+    case CAIRO_FORMAT_RGBA32:
+    case CAIRO_FORMAT_ABGR32:
+    case CAIRO_FORMAT_BGRA32:
+    case CAIRO_FORMAT_PACKED_YUYV:
+    case CAIRO_FORMAT_PACKED_YVYU:
+    case CAIRO_FORMAT_PACKED_UYVY:
+    case CAIRO_FORMAT_PACKED_VYUY:
+    case CAIRO_FORMAT_INVALID:
+    default:
+        return 1;
+  }
+}
+
+static cairo_surface_t *
+create_surface (cairo_format_t format, cairo_color_space_t color_space)
+{
+  cairo_surface_t *surface;
+  static const cairo_user_data_key_t key;
+  char *planes[4];
+  int strides[4];
+  int i;
+
+  planes[0] = calloc (4, IMAGE * IMAGE * 4);
+  strides[0] = IMAGE * 4;
+  if (planes[0] == NULL)
+      return NULL;
+
+  for (i = 1; i < 4; i++) {
+      planes[i] = planes[i - 1] + IMAGE * IMAGE * 4;
+      strides[i] = strides[i - 1];
+  }
+
+  surface = cairo_image_surface_create_planar (format,
+                                               color_space,
+                                               IMAGE,
+                                               IMAGE,
+                                               get_planes_for_format (format),
+                                               planes,
+                                               strides);
+  cairo_surface_set_user_data (surface, &key, planes[0], free);
+
+  return surface;
+}
+
+static cairo_test_status_t
+draw (cairo_t *cr, int width, int height)
+{
+    int format, color_space;
+    cairo_surface_t *surface;
+    cairo_t *cr2;
+
+    cairo_set_source_rgb (cr, 0.25, 0.25, 0.25);
+    cairo_paint (cr);
+
+    for (format = 0; format < N_FORMATS; format++) {
+        for (color_space = 0; color_space < N_COLOR_SPACES; color_space++) {
+            surface = create_surface (format, color_space);
+            if (surface == NULL)
+                return CAIRO_TEST_NO_MEMORY;
+
+            cr2 = cairo_create (surface);
+            draw_surface (cr2);
+            cairo_destroy (cr2);
+
+            cairo_set_source_surface (cr, surface, (IMAGE + SPACE) * format + SPACE, (IMAGE + SPACE) * color_space + SPACE);
+            cairo_paint (cr);
+
+            cairo_surface_destroy (surface);
+        }
+    }
+
+    return CAIRO_TEST_SUCCESS;
+}
+
+CAIRO_TEST (image_formats,
+	    "Draw lots of 1x1 rectangles on similar surfaces in lots of threads",
+	    "", /* keywords */
+	    NULL, /* requirements */
+	    WIDTH, HEIGHT,
+	    NULL, draw)
diff --git a/test/image-formats.ref.png b/test/image-formats.ref.png
new file mode 100644
index 00000000..9dfa8098
--- /dev/null
+++ b/test/image-formats.ref.png