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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/pixman/demos/convolution-test.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/pixman/demos/convolution-test.c')
-rw-r--r--qemu/pixman/demos/convolution-test.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/qemu/pixman/demos/convolution-test.c b/qemu/pixman/demos/convolution-test.c
new file mode 100644
index 000000000..da284af7b
--- /dev/null
+++ b/qemu/pixman/demos/convolution-test.c
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "pixman.h"
+#include "gtk-utils.h"
+
+int
+main (int argc, char **argv)
+{
+#define WIDTH 200
+#define HEIGHT 200
+
+#define d2f pixman_double_to_fixed
+
+ uint32_t *src = malloc (WIDTH * HEIGHT * 4);
+ uint32_t *mask = malloc (WIDTH * HEIGHT * 4);
+ uint32_t *dest = malloc (WIDTH * HEIGHT * 4);
+ pixman_fixed_t convolution[] =
+ {
+ d2f (3), d2f (3),
+ d2f (0.5), d2f (0.5), d2f (0.5),
+ d2f (0.5), d2f (0.5), d2f (0.5),
+ d2f (0.5), d2f (0.5), d2f (0.5),
+ };
+ pixman_image_t *simg, *mimg, *dimg;
+
+ int i;
+
+ for (i = 0; i < WIDTH * HEIGHT; ++i)
+ {
+ src[i] = 0x7f007f00;
+ mask[i] = (i % 256) * 0x01000000;
+ dest[i] = 0;
+ }
+
+ simg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, src, WIDTH * 4);
+ mimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, mask, WIDTH * 4);
+ dimg = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4);
+
+ pixman_image_set_filter (mimg, PIXMAN_FILTER_CONVOLUTION,
+ convolution, 11);
+
+ pixman_image_composite (PIXMAN_OP_OVER, simg, mimg, dimg, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
+
+ show_image (dimg);
+
+ return 0;
+}