OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 67 insertions, 0 deletions

diff --git a/progs/openvg/trivial/roundedrect.c b/progs/openvg/trivial/roundedrect.c
new file mode 100644
index 00000000000..c80a4ed2995
--- /dev/null
+++ b/progs/openvg/trivial/roundedrect.c
@@ -0,0 +1,67 @@
+#include "eglcommon.h"
+
+#include <VG/openvg.h>
+
+const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
+const VGfloat color[4] = {0.9, 0.1, 0.1, 0.8};
+
+VGPath path;
+VGPaint fill;
+
+
+static void
+init(void)
+{
+   static const VGubyte sqrCmds[10] = {VG_MOVE_TO_ABS,
+                                       VG_LINE_TO_ABS,
+                                       VG_CUBIC_TO_ABS,
+                                       VG_LINE_TO_ABS,
+                                       VG_CUBIC_TO_ABS,
+                                       VG_LINE_TO_ABS,
+                                       VG_CUBIC_TO_ABS,
+                                       VG_LINE_TO_ABS,
+                                       VG_CUBIC_TO_ABS,
+                                       VG_CLOSE_PATH};
+   static const VGfloat sqrCoords[]   = {
+      45.885571, 62.857143,
+      154.11442, 62.857143,
+      162.1236, 62.857143, 168.57142, 70.260744, 168.57142, 79.457144,
+      168.57142, 123.4,
+      168.57142, 132.5964, 162.1236,  140, 154.11442, 140,
+      45.885571, 140,
+      37.876394, 140, 31.428572, 132.5964, 31.428572, 123.4,
+      31.428572, 79.457144,
+      31.428572, 70.260744, 37.876394,62.857143, 45.885571,62.857143
+   };
+   path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0,
+                       VG_PATH_CAPABILITY_APPEND_TO);
+   vgAppendPathData(path, 10, sqrCmds, sqrCoords);
+
+   fill = vgCreatePaint();
+   vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color);
+   vgSetPaint(fill, VG_FILL_PATH);
+
+   vgSetfv(VG_CLEAR_COLOR, 4, white_color);
+   vgSetf(VG_STROKE_LINE_WIDTH, 6);
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+   vgLoadIdentity();
+}
+
+static void
+draw(void)
+{
+   vgClear(0, 0, window_width(), window_height());
+   vgDrawPath(path, VG_STROKE_PATH);
+}
+
+
+int main(int argc, char **argv)
+{
+   return run(argc, argv, init, reshape,
+              draw, 0);
+}