OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 77 insertions, 0 deletions

diff --git a/progs/openvg/trivial/path3.c b/progs/openvg/trivial/path3.c
new file mode 100644
index 0000000000..5ce600f65a
--- /dev/null
+++ b/progs/openvg/trivial/path3.c
@@ -0,0 +1,77 @@
+#include "eglcommon.h"
+
+#include <VG/openvg.h>
+#include <VG/vgu.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+static void
+init(void)
+{
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+}
+
+
+static void
+draw(void)
+{
+    VGint WINDSIZEX = window_width();
+    VGint WINDSIZEY = window_height();
+    VGPath path;
+    VGPaint paint;
+
+    VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 0.0f};/* white color */
+    VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */
+
+#if 1
+    VGubyte commands[4] = {VG_MOVE_TO_ABS, VG_LCWARC_TO_ABS, VG_SCWARC_TO_ABS, VG_CLOSE_PATH};
+#else
+    VGubyte commands[4] = {VG_MOVE_TO_ABS, VG_SCCWARC_TO_ABS, VG_LCCWARC_TO_ABS,VG_CLOSE_PATH};
+#endif
+    VGfloat coords[] = {32.0f,   0.0f,
+                        -32.0f, -32.0f, 0.0f, 64.0f, 32.0f,
+                        -32.0f, -32.0f, 0.0f, 32.0f, 0.0f};
+
+
+    vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
+    vgClear(0, 0, WINDSIZEX, WINDSIZEY);
+    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;
+    }
+    paint = vgCreatePaint();
+    if ( paint == VG_INVALID_HANDLE ) {
+        vgDestroyPath(path);
+        return;
+    }
+
+    vgAppendPathData(path, 4, commands, coords);
+    vgSetParameterfv(paint, VG_PAINT_COLOR, 4, fillColor);
+    vgSetParameteri( paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
+    vgSetPaint(paint, VG_FILL_PATH);
+    vgDrawPath(path, VG_FILL_PATH);
+
+    vgDestroyPath(path);
+    vgDestroyPaint(paint);
+}
+
+
+int main(int argc, char **argv)
+{
+    set_window_size(64, 64);
+    return run(argc, argv, init, reshape,
+               draw, 0);
+}