test: In image_endian_swap() use pixman_image_get_format() to get the bpp.

There is no reason to pass in the bpp as an argument; it can be gotten
directly from the image.

6 files changed, 17 insertions, 12 deletions

diff --git a/test/affine-test.c b/test/affine-test.c
index b7a1fa6..ed8000c 100644
--- a/test/affine-test.c
+++ b/test/affine-test.c
@@ -95,8 +95,8 @@ test_composite (int      testnum,
     dst_img = pixman_image_create_bits (
         dst_fmt, dst_width, dst_height, dstbuf, dst_stride);
 
-    image_endian_swap (src_img, src_bpp * 8);
-    image_endian_swap (dst_img, dst_bpp * 8);
+    image_endian_swap (src_img);
+    image_endian_swap (dst_img);
 
     pixman_transform_init_identity (&transform);
     
@@ -251,7 +251,7 @@ test_composite (int      testnum,
 	    dstbuf[i] &= 0xFFFFFF;
     }
 
-    image_endian_swap (dst_img, dst_bpp * 8);
+    image_endian_swap (dst_img);
 
     if (verbose)
     {
diff --git a/test/blitters-test.c b/test/blitters-test.c
index 42181ef..63e7cb3 100644
--- a/test/blitters-test.c
+++ b/test/blitters-test.c
@@ -61,7 +61,7 @@ create_random_image (pixman_format_code_t *allowed_formats,
 	pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)]));
     }
 
-    image_endian_swap (img, PIXMAN_FORMAT_BPP (fmt));
+    image_endian_swap (img);
 
     if (used_fmt) *used_fmt = fmt;
     return img;
@@ -101,7 +101,7 @@ free_random_image (uint32_t initcrc,
 	/* swap endiannes in order to provide identical results on both big
 	 * and litte endian systems
 	 */
-	image_endian_swap (img, PIXMAN_FORMAT_BPP (fmt));
+	image_endian_swap (img);
 	crc32 = compute_crc32 (initcrc, data, stride * height);
     }
 
diff --git a/test/composite-traps-test.c b/test/composite-traps-test.c
index 8f32778..298537d 100644
--- a/test/composite-traps-test.c
+++ b/test/composite-traps-test.c
@@ -218,7 +218,7 @@ test_composite (int      testnum,
 	    dst_bits[i] &= 0xFFFFFF;
     }
 
-    image_endian_swap (dst_img, dst_bpp * 8);
+    image_endian_swap (dst_img);
 
     if (verbose)
     {
diff --git a/test/scaling-test.c b/test/scaling-test.c
index dbb9d39..82370f7 100644
--- a/test/scaling-test.c
+++ b/test/scaling-test.c
@@ -140,8 +140,8 @@ test_composite (int      testnum,
     dst_img = pixman_image_create_bits (
         dst_fmt, dst_width, dst_height, dstbuf, dst_stride);
 
-    image_endian_swap (src_img, src_bpp * 8);
-    image_endian_swap (dst_img, dst_bpp * 8);
+    image_endian_swap (src_img);
+    image_endian_swap (dst_img);
 
     if (lcg_rand_n (4) > 0)
     {
@@ -330,7 +330,7 @@ test_composite (int      testnum,
 	    dstbuf[i] &= 0xFFFFFF;
     }
 
-    image_endian_swap (dst_img, dst_bpp * 8);
+    image_endian_swap (dst_img);
 
     if (verbose)
     {
diff --git a/test/utils.c b/test/utils.c
index 2f21398..4bf02e1 100644
--- a/test/utils.c
+++ b/test/utils.c
@@ -133,11 +133,12 @@ compute_crc32 (uint32_t    in_crc32,
 /* perform endian conversion of pixel data
  */
 void
-image_endian_swap (pixman_image_t *img, int bpp)
+image_endian_swap (pixman_image_t *img)
 {
     int stride = pixman_image_get_stride (img);
     uint32_t *data = pixman_image_get_data (img);
     int height = pixman_image_get_height (img);
+    int bpp = PIXMAN_FORMAT_BPP (pixman_image_get_format (img));
     int i, j;
 
     /* swap bytes only on big endian systems */
@@ -145,10 +146,13 @@ image_endian_swap (pixman_image_t *img, int bpp)
     if (*(volatile uint8_t *)&endian_check_var != 0x12)
 	return;
 
+    if (bpp == 8)
+	return;
+
     for (i = 0; i < height; i++)
     {
 	uint8_t *line_data = (uint8_t *)data + stride * i;
-	/* swap bytes only for 16, 24 and 32 bpp for now */
+	
 	switch (bpp)
 	{
 	case 1:
@@ -208,6 +212,7 @@ image_endian_swap (pixman_image_t *img, int bpp)
 	    }
 	    break;
 	default:
+	    assert (FALSE);
 	    break;
 	}
     }
diff --git a/test/utils.h b/test/utils.h
index 9c7bdb1..a5183f7 100644
--- a/test/utils.h
+++ b/test/utils.h
@@ -60,7 +60,7 @@ compute_crc32 (uint32_t    in_crc32,
 /* perform endian conversion of pixel data
  */
 void
-image_endian_swap (pixman_image_t *img, int bpp);
+image_endian_swap (pixman_image_t *img);
 
 /* Allocate memory that is bounded by protected pages,
  * so that out-of-bounds access will cause segfaults