OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 71 insertions, 0 deletions

diff --git a/progs/openvg/trivial/lookup.c b/progs/openvg/trivial/lookup.c
new file mode 100644
index 0000000000..a103ba4488
--- /dev/null
+++ b/progs/openvg/trivial/lookup.c
@@ -0,0 +1,71 @@
+#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};
+VGfloat clearColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */
+VGImage parent;
+
+VGPaint fill;
+
+static void
+init(void)
+{
+    VGImage child1, child2;
+    VGubyte *data;
+    VGuint  LUT[256];
+    VGint i;
+
+    data = (VGubyte *)malloc(sizeof(VGubyte)*window_width()*window_height());
+
+    for (i=0;i<window_width()*window_height();i++) {
+        data[i] = 0x00;
+    }
+
+    for (i=0; i<256; i++) {
+        if ( i == 0 )
+            LUT[0] = 0xFFFFFFFF;
+        else
+            LUT[i] = 0xFF00FFFF;
+    }
+
+    parent = vgCreateImage( VG_A_8, 64, 64, VG_IMAGE_QUALITY_NONANTIALIASED );
+
+    vgImageSubData(parent, data, window_width(), VG_A_8, 0, 0,
+                   window_width(), window_height());
+    child1 = vgChildImage(parent, 0, 0, 32, 64);
+    child2 = vgChildImage(parent, 32, 0, 32, 64);
+
+    vgLookupSingle(child2, child1, LUT, VG_GREEN, VG_FALSE, VG_TRUE);
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+}
+
+static void
+draw(void)
+{
+   vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
+   vgClear(0, 0, window_width(), window_height());
+   //vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
+   //vgLoadIdentity();
+   //vgTranslate(10, 10);
+   vgDrawImage(parent);
+   vgFlush();
+}
+
+
+int main(int argc, char **argv)
+{
+   set_window_size(64, 64);
+   return run(argc, argv, init, reshape,
+              draw, 0);
+}