1 files changed, 163 insertions, 0 deletions
diff --git a/pixman/test/fetch-test.c b/pixman/test/fetch-test.c
new file mode 100644
index 000000000..717f6d4fd
--- /dev/null
+++ b/pixman/test/fetch-test.c
@@ -0,0 +1,163 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "pixman.h"
+
+
+#define SIZE 1024
+
+
+pixman_indexed_t mono_pallete = {
+    .rgba = { 0x00000000, 0x00ffffff },
+};
+
+
+typedef struct {
+    pixman_format_code_t format;
+    int width, height;
+    int stride;
+    uint32_t src[SIZE];
+    uint32_t dst[SIZE];
+    pixman_indexed_t *indexed;
+} testcase_t;
+
+testcase_t testcases[] = {
+    {
+	.format = PIXMAN_a8r8g8b8,
+	.width = 2, .height = 2,
+	.stride = 8,
+	.src = { 0x00112233, 0x44556677, 
+	         0x8899aabb, 0xccddeeff },
+	.dst = { 0x00112233, 0x44556677, 
+	         0x8899aabb, 0xccddeeff },
+	.indexed = NULL,
+    },
+    {
+	.format = PIXMAN_g1,
+	.width = 8, .height = 2,
+	.stride = 4,
+	.src = { 0x00000055, 
+	         0x000000aa },
+	.dst = { 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000,
+	         0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff },
+	.indexed = &mono_pallete,
+    },
+#if 0
+    {
+	.format = PIXMAN_g8,
+	.width = 4, .height = 2,
+	.stride = 4,
+	.src = { 0x01234567, 
+	         0x89abcdef },
+	.dst = { 0x00010101, 0x00232323, 0x00454545, 0x00676767, 
+	         0x00898989, 0x00ababab, 0x00cdcdcd, 0x00efefef, },
+    },
+#endif
+    {
+	.format = PIXMAN_yv12,
+	.width = 8, .height = 2,
+	.stride = 8,
+	.src = { 0xff00ff00, 0xff00ff00, 
+	         0x00ff00ff, 0x00ff00ff, 
+	         0x0080ff80, 
+		 0xff800080},
+	.dst = { 
+		0xff000000, 0xffffffff, 0xffb80000, 0xffffe113,
+		0xff000000, 0xffffffff, 0xff0023ee, 0xff4affff,
+		0xffffffff, 0xff000000, 0xffffe113, 0xffb80000,
+		0xffffffff, 0xff000000, 0xff4affff, 0xff0023ee,
+	},
+    },
+};
+
+const int ntestcases = sizeof(testcases)/sizeof(testcases[0]);
+
+
+static uint32_t
+reader (const void *src, int size)
+{
+    switch (size)
+    {
+    case 1:
+	return *(uint8_t *)src;
+    case 2:
+	return *(uint16_t *)src;
+    case 4:
+	return *(uint32_t *)src;
+    default:
+	assert(0);
+    }
+}
+
+
+static void
+writer (void *src, uint32_t value, int size)
+{
+    switch (size)
+    {
+    case 1:
+	*(uint8_t *)src = value;
+	break;
+    case 2:
+	*(uint16_t *)src = value;
+	break;
+    case 4:
+	*(uint32_t *)src = value;
+	break;
+    default:
+	assert(0);
+    }
+}
+
+
+int
+main (int argc, char **argv)
+{
+    uint32_t dst[SIZE];
+    pixman_image_t *src_img;
+    pixman_image_t *dst_img;
+    int i, j, x, y;
+    int ret = 0;
+
+    for (i = 0; i < ntestcases; ++i) {
+	for (j = 0; j < 2; ++j) {
+	    src_img = pixman_image_create_bits (testcases[i].format,
+						testcases[i].width, 
+						testcases[i].height,
+						testcases[i].src,
+						testcases[i].stride);
+	    pixman_image_set_indexed(src_img, testcases[i].indexed);
+
+	    dst_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
+						testcases[i].width, 
+						testcases[i].height,
+						dst,
+						testcases[i].width*4);
+
+	    if (j) {
+		pixman_image_set_accessors (src_img, reader, writer);
+		pixman_image_set_accessors (dst_img, reader, writer);
+	    }
+	    
+	    pixman_image_composite (PIXMAN_OP_SRC, src_img, NULL, dst_img,
+				    0, 0, 0, 0, 0, 0, testcases[i].width, testcases[i].height);
+
+	    pixman_image_unref (src_img);
+	    pixman_image_unref (dst_img);
+
+	    for (y = 0; y < testcases[i].height; ++y)
+		for (x = 0; x < testcases[i].width; ++x) {
+		    int offset = y*testcases[i].width + x;
+		    if (dst[offset] != testcases[i].dst[offset]) {
+			printf ("test %i%c: pixel mismatch at (x=%d,y=%d): %08x expected, %08x obtained\n",
+			        i + 1, 'a' + j,
+			        x, y, 
+			        testcases[i].dst[offset], dst[offset]);
+			ret = 1;
+		    }
+		}
+	}
+    }
+    
+    return ret;
+}