OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 66 insertions, 0 deletions

diff --git a/progs/openvg/trivial/coord.c b/progs/openvg/trivial/coord.c
new file mode 100644
index 0000000000..81f7cb6fc9
--- /dev/null
+++ b/progs/openvg/trivial/coord.c
@@ -0,0 +1,66 @@
+#include "eglcommon.h"
+
+#include <VG/openvg.h>
+
+const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0};
+const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0};
+
+VGPath path;
+VGPaint fill;
+
+
+static void
+init(void)
+{
+   /* Absent VG_CLOSE_PATH */
+   VGubyte commands[] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS,
+                         VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS};
+   VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */
+   VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */
+   VGfloat coords[] = {-16.0f, -16.0f, 0.0f, -16.0f, 0.0f, 0.0f, -16.0f, 0.0f,
+                       0.0f, 0.0f, 16.0f, 0.0f, 16.0f, 16.0f, 0.0f, 16.0f};
+
+   vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
+   vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED);
+
+   vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
+   vgLoadIdentity();
+   vgTranslate(32.0f, 32.0f);
+
+   path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1.0f, 0.0f, 0, 0,
+                       VG_PATH_CAPABILITY_ALL);
+   if (path == VG_INVALID_HANDLE)
+      return;
+   fill = vgCreatePaint();
+   if (fill == VG_INVALID_HANDLE) {
+      vgDestroyPath(path);
+      return;
+   }
+   vgAppendPathData(path, 8, commands, coords);
+   vgSetPaint(fill, VG_FILL_PATH);
+   vgSetParameterfv(fill, VG_PAINT_COLOR, 4, fillColor);
+   vgSetParameteri(fill, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+}
+
+static void
+draw(void)
+{
+   vgClear(0, 0, window_width(), window_height());
+   vgDrawPath(path, VG_FILL_PATH);
+
+   vgFlush();
+}
+
+
+int main(int argc, char **argv)
+{
+   set_window_size(64, 64);
+   return run(argc, argv, init, reshape,
+              draw, 0);
+}