1 files changed, 107 insertions, 0 deletions
diff --git a/progs/openvg/trivial/filter.c b/progs/openvg/trivial/filter.c
new file mode 100644
index 0000000000..d96257a933
--- /dev/null
+++ b/progs/openvg/trivial/filter.c
@@ -0,0 +1,107 @@
+#include "eglcommon.h"
+
+#include <VG/openvg.h>
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
+const VGfloat color[4] = {1.0, 1.0, 1.0, 0.5};
+
+VGImage srcImg;
+VGImage dstImg;
+
+VGPaint fill;
+
+VGfloat bgCol[4] = {0.906f, 0.914f, 0.761f, 1.0f};
+
+static void
+init(void)
+{
+    VGfloat red[4];
+    VGfloat grey[4];
+    VGfloat orange[4];
+    VGfloat blue[4];
+    VGfloat black[4];
+    VGfloat white[4];
+    VGshort transKernel[49] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+    red[0] = 0.6710f;
+    red[1] = 0.1060f;
+    red[2] = 0.1330f;
+    red[3] = 1.0f;
+
+    grey[0] = 0.6347f;
+    grey[1] = 0.6561f;
+    grey[2] = 0.6057f;
+    grey[3] = 1.0f;
+
+    orange[0] = 1.0000f;
+    orange[1] = 0.8227f;
+    orange[2] = 0.5057f;
+    orange[3] = 1.0f;
+
+    blue[0] = 0.0000f;
+    blue[1] = 0.6908f;
+    blue[2] = 0.8595f;
+    blue[3] = 1.0f;
+
+    black[0] = 0;
+    black[1] = 0;
+    black[2] = 0;
+    black[3] = 1.0f;
+
+    white[0] = 1;
+    white[1] = 1;
+    white[2] = 1;
+    white[3] = 1.0f;
+
+    vgSetfv(VG_TILE_FILL_COLOR, 4, blue);
+
+    vgSeti(VG_FILTER_CHANNEL_MASK, 14);
+
+    /* Setup images */
+    srcImg = vgCreateImage(VG_sRGBA_8888, 32, 32,
+                           VG_IMAGE_QUALITY_NONANTIALIASED);
+    dstImg = vgCreateImage(VG_sRGBA_8888, 32, 32,
+                           VG_IMAGE_QUALITY_NONANTIALIASED);
+
+    vgSetfv(VG_CLEAR_COLOR, 4, black);
+    vgClearImage(srcImg, 0, 0, 32, 32);
+    vgSetfv(VG_CLEAR_COLOR, 4, red);
+    vgClearImage(srcImg, 3, 3, 27, 27);
+
+    vgSetfv(VG_CLEAR_COLOR, 4, orange);
+    vgClearImage(dstImg, 0, 0, 32, 32);
+
+    transKernel[8] = 1;
+    vgConvolve(dstImg, srcImg, 3, 3, 3, 0, transKernel,
+               1, 0, VG_TILE_FILL);
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+}
+
+static void
+draw(void)
+{
+   vgSetfv(VG_CLEAR_COLOR, 4, bgCol);
+   vgClear(0, 0, window_width(), window_height());
+   vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
+   vgLoadIdentity();
+   vgTranslate(10, 10);
+   vgDrawImage(dstImg);
+   vgFlush();
+}
+
+
+int main(int argc, char **argv)
+{
+   set_window_size(64, 64);
+   return run(argc, argv, init, reshape,
+              draw, 0);
+}