[cairo] [PATCH] glx-multithread-makecurrent-*: New tests for MESA_multithread_makecurrent
Eric Anholt
eric at anholt.net
Mon Feb 21 14:36:21 PST 2011
---
tests/all.tests | 4 +
tests/glx/CMakeLists.txt | 8 ++
tests/glx/glx-multithread-makecurrent-1.c | 183 +++++++++++++++++++++++++++++
tests/glx/glx-multithread-makecurrent-2.c | 183 +++++++++++++++++++++++++++++
tests/glx/glx-multithread-makecurrent-3.c | 175 +++++++++++++++++++++++++++
tests/glx/glx-multithread-makecurrent-4.c | 174 +++++++++++++++++++++++++++
6 files changed, 727 insertions(+), 0 deletions(-)
create mode 100644 tests/glx/glx-multithread-makecurrent-1.c
create mode 100644 tests/glx/glx-multithread-makecurrent-2.c
create mode 100644 tests/glx/glx-multithread-makecurrent-3.c
create mode 100644 tests/glx/glx-multithread-makecurrent-4.c
diff --git a/tests/all.tests b/tests/all.tests
index 10a384e..7c3df8a 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -828,6 +828,10 @@ glx = Group()
add_plain_test(glx, 'glx-destroycontext-1')
add_plain_test(glx, 'glx-destroycontext-2')
add_plain_test(glx, 'glx-multithread')
+add_plain_test(glx, 'glx-multithread-makecurrent-1')
+add_plain_test(glx, 'glx-multithread-makecurrent-2')
+add_plain_test(glx, 'glx-multithread-makecurrent-3')
+add_plain_test(glx, 'glx-multithread-makecurrent-4')
add_plain_test(glx, 'glx-shader-sharing')
add_plain_test(glx, 'glx-swap-exchange')
glx['glx-swap-event_event'] = PlainExecTest(['glx-swap-event', '-auto', '--event'])
diff --git a/tests/glx/CMakeLists.txt b/tests/glx/CMakeLists.txt
index 8516dc5..3f86450 100644
--- a/tests/glx/CMakeLists.txt
+++ b/tests/glx/CMakeLists.txt
@@ -27,6 +27,14 @@ 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)
target_link_libraries(glx-multithread pthread X11)
+ add_executable (glx-multithread-makecurrent-1 glx-multithread-makecurrent-1.c)
+ target_link_libraries(glx-multithread-makecurrent-1 pthread)
+ add_executable (glx-multithread-makecurrent-2 glx-multithread-makecurrent-2.c)
+ target_link_libraries(glx-multithread-makecurrent-2 pthread)
+ add_executable (glx-multithread-makecurrent-3 glx-multithread-makecurrent-3.c)
+ target_link_libraries(glx-multithread-makecurrent-3 pthread)
+ add_executable (glx-multithread-makecurrent-4 glx-multithread-makecurrent-4.c)
+ target_link_libraries(glx-multithread-makecurrent-4 pthread)
add_executable (glx-swap-exchange glx-swap-exchange.c)
target_link_libraries(glx-swap-exchange X11)
add_executable (glx-tfp glx-tfp.c)
diff --git a/tests/glx/glx-multithread-makecurrent-1.c b/tests/glx/glx-multithread-makecurrent-1.c
new file mode 100644
index 0000000..aa5b5a1
--- /dev/null
+++ b/tests/glx/glx-multithread-makecurrent-1.c
@@ -0,0 +1,183 @@
+/*
+ * Copyright © 2009-2011 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-multithread-makecurrent-1.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 <unistd.h>
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+#include "pthread.h"
+
+int piglit_width = 70, piglit_height = 30;
+static Display *dpy;
+static Window win;
+static GLXContext ctx;
+static pthread_mutex_t mutex;
+static XVisualInfo *visinfo;
+static int current_step = 1;
+
+static void
+get_lock_for_step(int step)
+{
+ while (true) {
+ pthread_mutex_lock(&mutex);
+ if (step == current_step) {
+ current_step++;
+ return;
+ }
+ pthread_mutex_unlock(&mutex);
+ usleep(1);
+ }
+}
+
+static void *
+thread1_func(void *arg)
+{
+ get_lock_for_step(1);
+ glXMakeCurrent(dpy, win, ctx);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(3);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(10, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(5);
+ glXMakeCurrent(dpy, None, None);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+static void *
+thread2_func(void *arg)
+{
+ get_lock_for_step(2);
+ glXMakeCurrent(dpy, win, ctx);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(4);
+ glColor4f(0.0, 0.0, 1.0, 0.0);
+ piglit_draw_rect(30, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(6);
+ glXMakeCurrent(dpy, None, None);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+enum piglit_result
+draw(Display *dpy)
+{
+ GLboolean pass = GL_TRUE;
+ float green[] = {0.0, 1.0, 0.0, 1.0};
+ float blue[] = {0.0, 0.0, 1.0, 1.0};
+ float gray[] = {0.5, 0.5, 0.5, 1.0};
+ pthread_t thread1, thread2;
+ void *retval;
+ int ret;
+ int x1 = 10, x2 = 30;
+
+ ctx = piglit_get_glx_context(dpy, visinfo);
+ glXMakeCurrent(dpy, win, ctx);
+
+ piglit_require_glx_extension(dpy, "MESA_multithread_makecurrent");
+
+ /* 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);
+
+ /* Now, spawn some threads that do some drawing, both with this
+ * context
+ */
+ pthread_create(&thread1, NULL, thread1_func, &x1);
+ pthread_create(&thread2, NULL, thread2_func, &x2);
+
+ ret = pthread_join(thread1, &retval);
+ assert(ret == 0);
+ ret = pthread_join(thread2, &retval);
+ assert(ret == 0);
+
+ pthread_mutex_destroy(&mutex);
+
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(50, 10, 10, 10);
+
+ pass &= piglit_probe_rect_rgba( 0, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(10, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(20, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(30, 10, 10, 10, blue);
+ pass &= piglit_probe_rect_rgba(40, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(50, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(60, 10, 10, 10, gray);
+
+ pass &= piglit_probe_rect_rgba(0, 0, piglit_width, 10, gray);
+ pass &= piglit_probe_rect_rgba(0, 20, piglit_width, 10, gray);
+
+ glXSwapBuffers(dpy, win);
+
+ glXMakeCurrent(dpy, None, None);
+ glXDestroyContext(dpy, ctx);
+
+ return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+int
+main(int argc, char **argv)
+{
+ int i;
+
+ 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);
+
+ XFree(visinfo);
+
+ XMapWindow(dpy, win);
+
+ piglit_glx_event_loop(dpy, draw);
+
+ return 0;
+}
diff --git a/tests/glx/glx-multithread-makecurrent-2.c b/tests/glx/glx-multithread-makecurrent-2.c
new file mode 100644
index 0000000..ae3276c
--- /dev/null
+++ b/tests/glx/glx-multithread-makecurrent-2.c
@@ -0,0 +1,183 @@
+/*
+ * Copyright © 2009-2011 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-multithread-makecurrent-2.c
+ *
+ * Test of issue #1 of GLX_MESA_multithread_makecurrent: Bind one
+ * context into multiple threads, do rendering from both, then make
+ * sure that once we bind a new context to one thread that rendering
+ * from the second can continue.
+ */
+
+#include <unistd.h>
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+#include "pthread.h"
+
+int piglit_width = 70, piglit_height = 30;
+static Display *dpy;
+static Window win;
+static GLXContext ctx;
+static pthread_mutex_t mutex;
+static XVisualInfo *visinfo;
+static int current_step = 1;
+
+static void
+get_lock_for_step(int step)
+{
+ while (true) {
+ pthread_mutex_lock(&mutex);
+ if (step == current_step) {
+ current_step++;
+ return;
+ }
+ pthread_mutex_unlock(&mutex);
+ usleep(1);
+ }
+}
+
+static void *
+thread1_func(void *arg)
+{
+ GLXContext new_ctx;
+
+ get_lock_for_step(1);
+ glXMakeCurrent(dpy, win, ctx);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(10, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(3);
+ new_ctx = piglit_get_glx_context(dpy, visinfo);
+ glXMakeCurrent(dpy, win, new_ctx);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(5);
+ glXMakeCurrent(dpy, None, None);
+ glXDestroyContext(dpy, new_ctx);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+static void *
+thread2_func(void *arg)
+{
+ get_lock_for_step(2);
+ glXMakeCurrent(dpy, win, ctx);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(30, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(4);
+ piglit_draw_rect(50, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+enum piglit_result
+draw(Display *dpy)
+{
+ GLboolean pass = GL_TRUE;
+ float green[] = {0.0, 1.0, 0.0, 1.0};
+ float gray[] = {0.5, 0.5, 0.5, 1.0};
+ pthread_t thread1, thread2;
+ void *retval;
+ int ret;
+
+ ctx = piglit_get_glx_context(dpy, visinfo);
+ glXMakeCurrent(dpy, win, ctx);
+
+ piglit_require_glx_extension(dpy, "MESA_multithread_makecurrent");
+
+ /* 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, thread1_func, NULL);
+ pthread_create(&thread2, NULL, thread2_func, NULL);
+
+ ret = pthread_join(thread1, &retval);
+ assert(ret == 0);
+ ret = pthread_join(thread2, &retval);
+ assert(ret == 0);
+
+ pthread_mutex_destroy(&mutex);
+ glFlush();
+
+ pass &= piglit_probe_rect_rgba( 0, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(10, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(20, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(30, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(40, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(50, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(60, 10, 10, 10, gray);
+
+ pass &= piglit_probe_rect_rgba(0, 0, piglit_width, 10, gray);
+ pass &= piglit_probe_rect_rgba(0, 20, piglit_width, 10, gray);
+
+ glXSwapBuffers(dpy, win);
+
+ glXMakeCurrent(dpy, None, None);
+ glXDestroyContext(dpy, ctx);
+
+ return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+int
+main(int argc, char **argv)
+{
+ int i;
+
+ 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);
+
+ XMapWindow(dpy, win);
+
+ piglit_glx_event_loop(dpy, draw);
+
+ XFree(visinfo);
+
+ return 0;
+}
diff --git a/tests/glx/glx-multithread-makecurrent-3.c b/tests/glx/glx-multithread-makecurrent-3.c
new file mode 100644
index 0000000..c1f5540
--- /dev/null
+++ b/tests/glx/glx-multithread-makecurrent-3.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright © 2009-2011 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-multithread-makecurrent-3.c
+ *
+ * Test of issue #2 of GLX_MESA_multithread_makecurrent: Bind one
+ * context into multiple threads, do rendering from both, then make
+ * sure that once we unbind from one that rendering from the second
+ * can continue.
+ */
+
+#include <unistd.h>
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+#include "pthread.h"
+
+int piglit_width = 70, piglit_height = 30;
+static Display *dpy;
+static Window win;
+static GLXContext ctx;
+static pthread_mutex_t mutex;
+static XVisualInfo *visinfo;
+static int current_step = 1;
+
+static void
+get_lock_for_step(int step)
+{
+ while (true) {
+ pthread_mutex_lock(&mutex);
+ if (step == current_step) {
+ current_step++;
+ return;
+ }
+ pthread_mutex_unlock(&mutex);
+ usleep(1);
+ }
+}
+
+static void *
+thread1_func(void *arg)
+{
+ get_lock_for_step(1);
+ glXMakeCurrent(dpy, win, ctx);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(10, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(3);
+ glXMakeCurrent(dpy, None, None);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+static void *
+thread2_func(void *arg)
+{
+ get_lock_for_step(2);
+ glXMakeCurrent(dpy, win, ctx);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(30, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(4);
+ piglit_draw_rect(50, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+enum piglit_result
+draw(Display *dpy)
+{
+ GLboolean pass = GL_TRUE;
+ float green[] = {0.0, 1.0, 0.0, 1.0};
+ float gray[] = {0.5, 0.5, 0.5, 1.0};
+ pthread_t thread1, thread2;
+ void *retval;
+ int ret;
+
+ ctx = piglit_get_glx_context(dpy, visinfo);
+ glXMakeCurrent(dpy, win, ctx);
+
+ piglit_require_glx_extension(dpy, "MESA_multithread_makecurrent");
+
+ /* 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, thread1_func, NULL);
+ pthread_create(&thread2, NULL, thread2_func, NULL);
+
+ ret = pthread_join(thread1, &retval);
+ assert(ret == 0);
+ ret = pthread_join(thread2, &retval);
+ assert(ret == 0);
+
+ pthread_mutex_destroy(&mutex);
+ glFlush();
+
+ pass &= piglit_probe_rect_rgba( 0, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(10, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(20, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(30, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(40, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(50, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(60, 10, 10, 10, gray);
+
+ pass &= piglit_probe_rect_rgba(0, 0, piglit_width, 10, gray);
+ pass &= piglit_probe_rect_rgba(0, 20, piglit_width, 10, gray);
+
+ glXSwapBuffers(dpy, win);
+
+ glXMakeCurrent(dpy, None, None);
+ glXDestroyContext(dpy, ctx);
+
+ return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+int
+main(int argc, char **argv)
+{
+ int i;
+
+ 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);
+
+ XFree(visinfo);
+
+ XMapWindow(dpy, win);
+
+ piglit_glx_event_loop(dpy, draw);
+
+ return 0;
+}
diff --git a/tests/glx/glx-multithread-makecurrent-4.c b/tests/glx/glx-multithread-makecurrent-4.c
new file mode 100644
index 0000000..2118271
--- /dev/null
+++ b/tests/glx/glx-multithread-makecurrent-4.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright © 2009-2011 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-multithread-makecurrent-4.c
+ *
+ * Test of issue #3 of GLX_MESA_multithread_makecurrent: Bind one
+ * context into multiple threads, do rendering from both, then destroy
+ * the context in one and keep using it to render from the other.
+ */
+
+#include <unistd.h>
+#include "piglit-util.h"
+#include "piglit-glx-util.h"
+#include "pthread.h"
+
+int piglit_width = 70, piglit_height = 30;
+static Display *dpy;
+static Window win;
+static GLXContext ctx;
+static pthread_mutex_t mutex;
+static XVisualInfo *visinfo;
+static int current_step = 1;
+
+static void
+get_lock_for_step(int step)
+{
+ while (true) {
+ pthread_mutex_lock(&mutex);
+ if (step == current_step) {
+ current_step++;
+ return;
+ }
+ pthread_mutex_unlock(&mutex);
+ usleep(1);
+ }
+}
+
+static void *
+thread1_func(void *arg)
+{
+ get_lock_for_step(1);
+ glXMakeCurrent(dpy, win, ctx);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(10, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(3);
+ glXMakeCurrent(dpy, None, None);
+ glXDestroyContext(dpy, ctx);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+static void *
+thread2_func(void *arg)
+{
+ get_lock_for_step(2);
+ glXMakeCurrent(dpy, win, ctx);
+ glColor4f(0.0, 1.0, 0.0, 0.0);
+ piglit_draw_rect(30, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ get_lock_for_step(4);
+ piglit_draw_rect(50, 10, 10, 10);
+ pthread_mutex_unlock(&mutex);
+
+ return NULL;
+}
+
+enum piglit_result
+draw(Display *dpy)
+{
+ GLboolean pass = GL_TRUE;
+ float green[] = {0.0, 1.0, 0.0, 1.0};
+ float gray[] = {0.5, 0.5, 0.5, 1.0};
+ pthread_t thread1, thread2;
+ void *retval;
+ int ret;
+
+ ctx = piglit_get_glx_context(dpy, visinfo);
+ glXMakeCurrent(dpy, win, ctx);
+
+ piglit_require_glx_extension(dpy, "MESA_multithread_makecurrent");
+
+ /* 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, thread1_func, NULL);
+ pthread_create(&thread2, NULL, thread2_func, NULL);
+
+ ret = pthread_join(thread1, &retval);
+ assert(ret == 0);
+ ret = pthread_join(thread2, &retval);
+ assert(ret == 0);
+
+ pthread_mutex_destroy(&mutex);
+ glFlush();
+
+ pass &= piglit_probe_rect_rgba( 0, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(10, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(20, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(30, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(40, 10, 10, 10, gray);
+ pass &= piglit_probe_rect_rgba(50, 10, 10, 10, green);
+ pass &= piglit_probe_rect_rgba(60, 10, 10, 10, gray);
+
+ pass &= piglit_probe_rect_rgba(0, 0, piglit_width, 10, gray);
+ pass &= piglit_probe_rect_rgba(0, 20, piglit_width, 10, gray);
+
+ glXSwapBuffers(dpy, win);
+
+ glXMakeCurrent(dpy, None, None);
+
+ return pass ? PIGLIT_SUCCESS : PIGLIT_FAILURE;
+}
+
+int
+main(int argc, char **argv)
+{
+ int i;
+
+ 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);
+
+ XFree(visinfo);
+
+ XMapWindow(dpy, win);
+
+ piglit_glx_event_loop(dpy, draw);
+
+ return 0;
+}
--
1.7.4.1
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