glx-multithread-makecurrent: New test for MESA_multithread_makecurrentmesa-multithread-makecurrent

3 files changed, 139 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index 695bbb5ff..1d7ec39c7 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -204,6 +204,7 @@ add_plain_test(bugs, 'fdo24066')
 
 glx = Group()
 add_plain_test(glx, 'glx-multithread')
+add_plain_test(glx, 'glx-multithread-makecurrent')
 
 texturing = Group()
 add_plain_test(texturing, 'copytexsubimage')
diff --git a/tests/glx/CMakeLists.txt b/tests/glx/CMakeLists.txt
index 10d8c7ee9..0a5cbfe3c 100644
--- a/tests/glx/CMakeLists.txt
+++ b/tests/glx/CMakeLists.txt
@@ -20,3 +20,4 @@ link_libraries (
 )
 
 add_executable (glx-multithread glx-multithread.c)
+add_executable (glx-multithread-makecurrent glx-multithread-makecurrent.c)
diff --git a/tests/glx/glx-multithread-makecurrent.c b/tests/glx/glx-multithread-makecurrent.c
new file mode 100644
index 000000000..77e35d448
--- /dev/null
+++ b/tests/glx/glx-multithread-makecurrent.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright © 2009 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.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+/** @file glx-multithread-makecurrent.c
+ *
+ * First test of GLX_MESA_multithread_makecurrent: Bind one context into
+ * multiple threads and make sure that synchronized rendering from both
+ * threads works correctly.
+ */
+
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+#include "pthread.h"
+
+int piglit_width = 50, piglit_height = 50;
+static Display *dpy;
+static Window win;
+static GLXContext ctx;
+static pthread_mutex_t mutex;
+
+static void *
+thread_func(void *arg)
+{
+	int *x = arg;
+
+	pthread_mutex_lock(&mutex);
+	glXMakeCurrent(dpy, win, ctx);
+
+	glColor4f(0.0, 1.0, 0.0, 0.0);
+	piglit_draw_rect(*x, 10, 10, 10);
+	glFlush();
+	pthread_mutex_unlock(&mutex);
+
+	return NULL;
+}
+
+enum piglit_result
+draw(Display *dpy)
+{
+	GLboolean pass = GL_TRUE;
+	float green[] = {0.0, 1.0, 0.0, 0.0};
+	pthread_t thread1, thread2;
+	void *retval;
+	int ret;
+	int x1 = 10, x2 = 30;
+
+	piglit_require_glx_extension(dpy, "MESA_multithread_makecurrent");
+
+	glXMakeCurrent(dpy, win, ctx);
+
+	/* Clear background to gray */
+	glClearColor(0.5, 0.5, 0.5, 1.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
+
+	pthread_mutex_init(&mutex, NULL);
+	glFlush();
+	/* Now, spawn some threads that do some drawing, both with this
+	 * context
+	 */
+	pthread_create(&thread1, NULL, thread_func, &x1);
+	pthread_create(&thread2, NULL, thread_func, &x2);
+
+	ret = pthread_join(thread1, &retval);
+	assert(ret == 0);
+	ret = pthread_join(thread2, &retval);
+	assert(ret == 0);
+
+	pthread_mutex_destroy(&mutex);
+	glFlush();
+
+	glColor4f(0.0, 1.0, 0.0, 0.0);
+	piglit_draw_rect(40, 10, 10, 10);
+
+	pass &= piglit_probe_pixel_rgb(15, 15, green);
+	pass &= piglit_probe_pixel_rgb(35, 15, green);
+	glFlush();
+	glXSwapBuffers(dpy, win);
+
+	return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+int
+main(int argc, char **argv)
+{
+	int i;
+	XVisualInfo *visinfo;
+
+	for(i = 1; i < argc; ++i) {
+		if (!strcmp(argv[i], "-auto"))
+			piglit_automatic = 1;
+		else
+			fprintf(stderr, "Unknown option: %s\n", argv[i]);
+	}
+
+	dpy = XOpenDisplay(NULL);
+	if (dpy == NULL) {
+		fprintf(stderr, "couldn't open display\n");
+		piglit_report_result(PIGLIT_FAILURE);
+	}
+	visinfo = piglit_get_glx_visual(dpy);
+	win = piglit_get_glx_window(dpy, visinfo);
+	ctx = piglit_get_glx_context(dpy, visinfo);
+
+	XFree(visinfo);
+
+	XMapWindow(dpy, win);
+
+	piglit_glx_event_loop(dpy, draw);
+
+	return 0;
+}