auto import from //depot/cupcake/@135843
diff --git a/opengl/tests/angeles/gpustate.c b/opengl/tests/angeles/gpustate.c
new file mode 100644
index 0000000..3c540c9
--- /dev/null
+++ b/opengl/tests/angeles/gpustate.c
@@ -0,0 +1,39 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+static void *map_memory(const char *fn, unsigned base, unsigned size)
+{
+ int fd;
+ void *ptr;
+
+ fd = open(fn, O_RDWR | O_SYNC);
+ if(fd < 0) {
+ perror("cannot open %s for mapping");
+ return MAP_FAILED;
+ }
+
+ ptr = mmap(0, size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, fd, base);
+ close(fd);
+
+ if(ptr == MAP_FAILED) {
+ fprintf(stderr,"cannot map %s (@%08x,%08x)\n", fn, base, size);
+ }
+ return ptr;
+}
+
+
+int main(int argc, char** argv)
+{
+ void *grp_regs = map_memory("/dev/hw3d", 0, 1024 * 1024);
+ printf("GPU base mapped at %p\n", grp_regs);
+ int state_offset = 0x10140;
+ printf("GPU state = %08lx\n",
+ *((long*)((char*)grp_regs + state_offset)) );
+
+ return 0;
+}