test: Move image_endian_swap() from blitters-test.c to utils.[ch]

4 files changed, 87 insertions, 146 deletions

diff --git a/test/blitters-test.c b/test/blitters-test.c
index 80fc8fac..979af24b 100644
--- a/test/blitters-test.c
+++ b/test/blitters-test.c
@@ -44,88 +44,6 @@ aligned_malloc (size_t align, size_t size)
     return result;
 }
 
-/* perform endian conversion of pixel data */
-static void
-image_endian_swap (pixman_image_t *img, int bpp)
-{
-    int stride = pixman_image_get_stride (img);
-    uint32_t *data = pixman_image_get_data (img);
-    int height = pixman_image_get_height (img);
-    int i, j;
-
-    /* swap bytes only on big endian systems */
-    volatile uint16_t endian_check_var = 0x1234;
-    if (*(volatile uint8_t *)&endian_check_var != 0x12)
-	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:
-	    for (j = 0; j < stride; j++)
-	    {
-		line_data[j] =
-		    ((line_data[j] & 0x80) >> 7) |
-		    ((line_data[j] & 0x40) >> 5) |
-		    ((line_data[j] & 0x20) >> 3) |
-		    ((line_data[j] & 0x10) >> 1) |
-		    ((line_data[j] & 0x08) << 1) |
-		    ((line_data[j] & 0x04) << 3) |
-		    ((line_data[j] & 0x02) << 5) |
-		    ((line_data[j] & 0x01) << 7);
-	    }
-	    break;
-	case 4:
-	    for (j = 0; j < stride; j++)
-	    {
-		line_data[j] = (line_data[j] >> 4) | (line_data[j] << 4);
-	    }
-	    break;
-	case 16:
-	    for (j = 0; j + 2 <= stride; j += 2)
-	    {
-		char t1 = line_data[j + 0];
-		char t2 = line_data[j + 1];
-
-		line_data[j + 1] = t1;
-		line_data[j + 0] = t2;
-	    }
-	    break;
-	case 24:
-	    for (j = 0; j + 3 <= stride; j += 3)
-	    {
-		char t1 = line_data[j + 0];
-		char t2 = line_data[j + 1];
-		char t3 = line_data[j + 2];
-
-		line_data[j + 2] = t1;
-		line_data[j + 1] = t2;
-		line_data[j + 0] = t3;
-	    }
-	    break;
-	case 32:
-	    for (j = 0; j + 4 <= stride; j += 4)
-	    {
-		char t1 = line_data[j + 0];
-		char t2 = line_data[j + 1];
-		char t3 = line_data[j + 2];
-		char t4 = line_data[j + 3];
-
-		line_data[j + 3] = t1;
-		line_data[j + 2] = t2;
-		line_data[j + 1] = t3;
-		line_data[j + 0] = t4;
-	    }
-	    break;
-	default:
-	    break;
-	}
-    }
-}
-
 /* Create random image for testing purposes */
 static pixman_image_t *
 create_random_image (pixman_format_code_t *allowed_formats,
diff --git a/test/scaling-test.c b/test/scaling-test.c
index 296b9869..29772906 100644
--- a/test/scaling-test.c
+++ b/test/scaling-test.c
@@ -25,70 +25,6 @@
 #include <stdio.h>
 #include "utils.h"
 
-/* perform endian conversion of pixel data */
-static void
-image_endian_swap (pixman_image_t *img,
-		   int             bpp)
-{
-    int       stride = pixman_image_get_stride (img);
-    uint32_t *data = pixman_image_get_data (img);
-    int       height = pixman_image_get_height (img);
-    int i, j;
-
-    /* swap bytes only on big endian systems */
-    volatile uint16_t endian_check_var = 0x1234;
-    if (*(volatile uint8_t *)&endian_check_var != 0x12)
-	return;
-
-    for (i = 0; i < height; i++)
-    {
-	char *line_data = (char *)data + stride * i;
-
-	/* swap bytes only for 16, 24 and 32 bpp for now */
-	switch (bpp)
-	{
-	case 16:
-	    for (j = 0; j + 2 <= stride; j += 2)
-	    {
-		char t1 = line_data[j + 0];
-		char t2 = line_data[j + 1];
-		line_data[j + 1] = t1;
-		line_data[j + 0] = t2;
-	    }
-	    break;
-
-	case 24:
-	    for (j = 0; j + 3 <= stride; j += 3)
-	    {
-		char t1 = line_data[j + 0];
-		char t2 = line_data[j + 1];
-		char t3 = line_data[j + 2];
-		line_data[j + 2] = t1;
-		line_data[j + 1] = t2;
-		line_data[j + 0] = t3;
-	    }
-	    break;
-
-	case 32:
-	    for (j = 0; j + 4 <= stride; j += 4)
-	    {
-		char t1 = line_data[j + 0];
-		char t2 = line_data[j + 1];
-		char t3 = line_data[j + 2];
-		char t4 = line_data[j + 3];
-		line_data[j + 3] = t1;
-		line_data[j + 2] = t2;
-		line_data[j + 1] = t3;
-		line_data[j + 0] = t4;
-	    }
-	    break;
-
-	default:
-	    break;
-	}
-    }
-}
-
 #define MAX_SRC_WIDTH  10
 #define MAX_SRC_HEIGHT 10
 #define MAX_DST_WIDTH  10
diff --git a/test/utils.c b/test/utils.c
index afd2a189..1e42d89d 100644
--- a/test/utils.c
+++ b/test/utils.c
@@ -109,3 +109,86 @@ compute_crc32 (uint32_t    in_crc32,
     return (crc32 ^ 0xFFFFFFFF);
 }
 
+/* perform endian conversion of pixel data
+ */
+void
+image_endian_swap (pixman_image_t *img, int bpp)
+{
+    int stride = pixman_image_get_stride (img);
+    uint32_t *data = pixman_image_get_data (img);
+    int height = pixman_image_get_height (img);
+    int i, j;
+
+    /* swap bytes only on big endian systems */
+    volatile uint16_t endian_check_var = 0x1234;
+    if (*(volatile uint8_t *)&endian_check_var != 0x12)
+	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:
+	    for (j = 0; j < stride; j++)
+	    {
+		line_data[j] =
+		    ((line_data[j] & 0x80) >> 7) |
+		    ((line_data[j] & 0x40) >> 5) |
+		    ((line_data[j] & 0x20) >> 3) |
+		    ((line_data[j] & 0x10) >> 1) |
+		    ((line_data[j] & 0x08) << 1) |
+		    ((line_data[j] & 0x04) << 3) |
+		    ((line_data[j] & 0x02) << 5) |
+		    ((line_data[j] & 0x01) << 7);
+	    }
+	    break;
+	case 4:
+	    for (j = 0; j < stride; j++)
+	    {
+		line_data[j] = (line_data[j] >> 4) | (line_data[j] << 4);
+	    }
+	    break;
+	case 16:
+	    for (j = 0; j + 2 <= stride; j += 2)
+	    {
+		char t1 = line_data[j + 0];
+		char t2 = line_data[j + 1];
+
+		line_data[j + 1] = t1;
+		line_data[j + 0] = t2;
+	    }
+	    break;
+	case 24:
+	    for (j = 0; j + 3 <= stride; j += 3)
+	    {
+		char t1 = line_data[j + 0];
+		char t2 = line_data[j + 1];
+		char t3 = line_data[j + 2];
+
+		line_data[j + 2] = t1;
+		line_data[j + 1] = t2;
+		line_data[j + 0] = t3;
+	    }
+	    break;
+	case 32:
+	    for (j = 0; j + 4 <= stride; j += 4)
+	    {
+		char t1 = line_data[j + 0];
+		char t2 = line_data[j + 1];
+		char t3 = line_data[j + 2];
+		char t4 = line_data[j + 3];
+
+		line_data[j + 3] = t1;
+		line_data[j + 2] = t2;
+		line_data[j + 1] = t3;
+		line_data[j + 0] = t4;
+	    }
+	    break;
+	default:
+	    break;
+	}
+    }
+}
+
diff --git a/test/utils.h b/test/utils.h
index 2d340d1e..8fdb2ce4 100644
--- a/test/utils.h
+++ b/test/utils.h
@@ -35,3 +35,7 @@ compute_crc32 (uint32_t    in_crc32,
 	       const void *buf,
 	       size_t      buf_len);
 
+/* perform endian conversion of pixel data
+ */
+void
+image_endian_swap (pixman_image_t *img, int bpp);