[Piglit] [PATCH 2/2] glx-swap-pixmap: New test for no-op glXSwapBuffers().

[Eric Anholt]

---
 tests/all.tests             |    1 +
 tests/glx/CMakeLists.gl.txt |    1 +
 tests/glx/glx-swap-pixmap.c |   89 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 91 insertions(+), 0 deletions(-)
 create mode 100644 tests/glx/glx-swap-pixmap.c

diff --git a/tests/all.tests b/tests/all.tests
index e0fefc0..bb9beaa 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -527,6 +527,7 @@ add_plain_test(glx, 'glx-swap-exchange')
 glx['glx-swap-event_event'] = PlainExecTest(['glx-swap-event', '-auto', '--event'])
 glx['glx-swap-event_async'] = PlainExecTest(['glx-swap-event', '-auto', '--async'])
 glx['glx-swap-event_interval'] = PlainExecTest(['glx-swap-event', '-auto', '--interval'])
+add_plain_test(glx, 'glx-swap-pixmap')
 add_plain_test(glx, 'glx-swap-singlebuffer')
 add_plain_test(glx, 'glx-make-current')
 add_plain_test(glx, 'glx-make-glxdrawable-current')
diff --git a/tests/glx/CMakeLists.gl.txt b/tests/glx/CMakeLists.gl.txt
index b5be55d..31f31a0 100644
--- a/tests/glx/CMakeLists.gl.txt
+++ b/tests/glx/CMakeLists.gl.txt
@@ -35,6 +35,7 @@ IF(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 	add_executable (glx-swap-event glx-swap-event.c)
 	add_executable (glx-make-glxdrawable-current glx-make-glxdrawable-current.c)
 	add_executable (glx-swap-exchange glx-swap-exchange.c)
+	add_executable (glx-swap-pixmap glx-swap-pixmap.c)
 	add_executable (glx-swap-singlebuffer glx-swap-singlebuffer.c)
 	add_executable (glx-tfp glx-tfp.c)
 	target_link_libraries(glx-tfp Xrender)
diff --git a/tests/glx/glx-swap-pixmap.c b/tests/glx/glx-swap-pixmap.c
new file mode 100644
index 0000000..2917007
--- /dev/null
+++ b/tests/glx/glx-swap-pixmap.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2011 Red Hat, Inc.
+ * Copyright 2011 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+/** @file glx-swap-pixmap.c
+ *
+ * Test that glXSwapbuffer() on a pixmap is a noop.
+ *
+ * From the GLX 1.4 specification page 34 (page 40 of the PDF):
+ *
+ *     This operation is a no-op if draw was created with a
+ *     non-double-buffered GLXFBConfig, or if draw is a GLXPixmap.
+ */
+
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+
+int piglit_width = 50, piglit_height = 50;
+static Display *dpy;
+static XVisualInfo *visinfo;
+
+int
+main(int argc, char **argv)
+{
+	Pixmap p;
+	GLXPixmap g;
+	float green[4] = {0.0, 1.0, 0.0, 0.0};
+	GLXContext ctx;
+	bool pass;
+
+	dpy = XOpenDisplay(NULL);
+	if (dpy == NULL) {
+		fprintf(stderr, "couldn't open display\n");
+		piglit_report_result(PIGLIT_FAIL);
+	}
+
+        piglit_glx_get_error(dpy, NULL);
+	piglit_require_glx_version(dpy, 1, 3);
+
+	visinfo = piglit_get_glx_visual(dpy);
+	p = XCreatePixmap(dpy, DefaultRootWindow(dpy), piglit_width,
+			  piglit_height, visinfo->depth);
+
+	g = glXCreateGLXPixmap(dpy, visinfo, p);
+
+	ctx = piglit_get_glx_context(dpy, visinfo);
+	glXMakeCurrent(dpy, g, ctx);
+
+	/* Clear to green */
+	glClearColor(0.0, 1.0, 0.0, 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	/* Noop */
+	glXSwapBuffers(dpy, p);
+
+	glXDestroyPixmap(dpy, g);
+
+	/* We want to actually catch any X error that leaks through as
+	 * a result of glXSwapBuffers() before we go saying "pass" or
+	 * "fail".
+	 */
+	XSync(dpy, False);
+
+	pass = piglit_probe_rect_rgba(0, 0, piglit_width, piglit_height, green);
+
+	piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
+
+	return 0;
+}
-- 
1.7.5.3