[Piglit] [PATCH 4/5] glx-copy-sub-buffer: accept -samples=n

[Marek Olšák]

---
 tests/glx/glx-copy-sub-buffer.c |   35 +++++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/tests/glx/glx-copy-sub-buffer.c b/tests/glx/glx-copy-sub-buffer.c
index c6561f8..38b4b59 100644
--- a/tests/glx/glx-copy-sub-buffer.c
+++ b/tests/glx/glx-copy-sub-buffer.c
@@ -80,14 +80,45 @@ draw(Display *dpy)
        return pass ? PIGLIT_PASS : PIGLIT_FAIL;
 }
 
+static XVisualInfo *
+get_glx_visual(Display *dpy, int samples)
+{
+       XVisualInfo *visinfo;
+       int attrib[] = {
+               GLX_RGBA,
+               GLX_RED_SIZE, 1,
+               GLX_GREEN_SIZE, 1,
+               GLX_BLUE_SIZE, 1,
+               GLX_DOUBLEBUFFER,
+               samples <= 1 ? None : GLX_SAMPLE_BUFFERS, 1,
+               GLX_SAMPLES, samples,
+               None
+       };
+       int screen = DefaultScreen(dpy);
+
+       visinfo = glXChooseVisual(dpy, screen, attrib);
+       if (visinfo == NULL) {
+               fprintf(stderr,
+                       "Couldn't get an RGBA, double-buffered visual "
+                       "with samples=%i\n", samples);
+               piglit_report_result(PIGLIT_SKIP);
+               exit(1);
+       }
+
+       return visinfo;
+}
+
 int
 main(int argc, char **argv)
 {
-       int i;
+       int i, samples = 0;
 
        for(i = 1; i < argc; ++i) {
                if (!strcmp(argv[i], "-auto"))
                        piglit_automatic = 1;
+               else if (!strncmp(argv[i], "-samples=", 9)) {
+                       samples = atoi(argv[i]+9);
+               }
                else
                        fprintf(stderr, "Unknown option: %s\n", argv[i]);
        }
@@ -102,7 +133,7 @@ main(int argc, char **argv)
        CopySubBuffer = (PFNGLXCOPYSUBBUFFERMESAPROC)
            glXGetProcAddressARB((GLubyte *)"glXCopySubBufferMESA");
 
-       visinfo = piglit_get_glx_visual(dpy);
+       visinfo = get_glx_visual(dpy, samples);
        win_one = piglit_get_glx_window(dpy, visinfo);
 
        XMapWindow(dpy, win_one);
-- 
1.7.10.4

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