[Piglit] [PATCH 3/4] KHR_debug: test glDebugMessageCallback() is setup and used correctly

[Timothy Arceri]

---
 tests/spec/khr_debug/debug-api-error.c |  165 ++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 tests/spec/khr_debug/debug-api-error.c

diff --git a/tests/spec/khr_debug/debug-api-error.c b/tests/spec/khr_debug/debug-api-error.c
new file mode 100644
index 0000000..4ffda25
--- /dev/null
+++ b/tests/spec/khr_debug/debug-api-error.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2012 Marek Olšák <maraeo at gmail.com>
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL AUTHORS AND/OR THEIR SUPPLIERS
+ * 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.
+ */
+
+#include "piglit-util-gl-common.h"
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	config.supports_gl_compat_version = 11;
+
+	config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+#define USER_PARAM ((void*)(intptr_t)12345678)
+
+static GLboolean callback_called;
+
+enum piglit_result
+piglit_display(void)
+{
+   return PIGLIT_PASS;
+}
+
+static void GLAPIENTRY debug_callback(GLenum source,
+                                      GLenum type,
+                                      GLuint id,
+                                      GLenum severity,
+                                      GLsizei length,
+                                      const GLchar* message,
+                                      GLvoid* userParam)
+{
+   if (source != GL_DEBUG_SOURCE_API) {
+      puts("source isn't API");
+      piglit_report_result(PIGLIT_FAIL);
+   }
+
+   if (type != GL_DEBUG_TYPE_ERROR) {
+      puts("type isn't error");
+      piglit_report_result(PIGLIT_FAIL);
+   }
+
+   if (userParam != USER_PARAM) {
+      puts("wrong userParam in the callback");
+      piglit_report_result(PIGLIT_FAIL);
+   }
+
+   callback_called = GL_TRUE;
+   printf("Callback: ");
+   fwrite(message, length, 1, stdout);
+   printf("\n");
+}
+
+static GLboolean fetch_one_log_message()
+{
+   char log[4096];
+   GLboolean ret =
+      !!glGetDebugMessageLog(1, 4096, NULL, NULL, NULL, NULL, NULL, log);
+
+   if (ret) {
+      printf("Log: %s\n", log);
+   }
+   return ret;
+}
+
+enum {
+   SKIP_SETUP = 1 << 0,
+   DEBUG_ENABLE = 1 << 1,
+   CALLBACK_ENABLE = 1 << 2
+};
+
+static void test_api_error(unsigned flags)
+{
+   GLboolean skip_setup = !!(flags & SKIP_SETUP);
+   GLboolean debug_enable = !!(flags & DEBUG_ENABLE);
+   GLboolean callback_enable = !!(flags & CALLBACK_ENABLE);
+
+   if (!skip_setup) {
+      printf("Testing Debug %s and Callback %s\n",
+             debug_enable ? "enabled" : "disabled",
+             callback_enable ? "enabled" : "disabled");
+
+      glDebugMessageControl(GL_DEBUG_SOURCE_API, GL_DEBUG_TYPE_ERROR,
+                            GL_DEBUG_SEVERITY_HIGH, 0, NULL, debug_enable);
+      glDebugMessageCallback(callback_enable ? debug_callback : NULL, USER_PARAM);
+   } else {
+      puts("Testing defaults.");
+   }
+
+   if (!piglit_check_gl_error(GL_NO_ERROR))
+      piglit_report_result(PIGLIT_FAIL);
+
+   /* empty the log */
+   while (fetch_one_log_message());
+
+   callback_called = GL_FALSE;
+   glEnable(0xFFFFFFFF); /* GL error */
+
+   if (!piglit_check_gl_error(GL_INVALID_ENUM))
+      piglit_report_result(PIGLIT_FAIL);
+
+   if (callback_called != (callback_enable && debug_enable)) {
+      puts(callback_called ? "  The callback shouldn't have been called."
+                           : "  The callback should have been called.");
+      piglit_report_result(PIGLIT_FAIL);
+   }
+
+   if ((skip_setup || debug_enable) && !callback_enable) {
+      /* the log must contain the error */
+      if (!fetch_one_log_message()) {
+         puts("  The log shouldn't be empty.");
+         piglit_report_result(PIGLIT_FAIL);
+      }
+   } else {
+      /* the log must be empty */
+      if (fetch_one_log_message()) {
+         puts("  The log should be empty.");
+         piglit_report_result(PIGLIT_FAIL);
+      }
+   }
+
+   if (!piglit_check_gl_error(GL_NO_ERROR))
+      piglit_report_result(PIGLIT_FAIL);
+}
+
+void piglit_init(int argc, char **argv)
+{
+   piglit_automatic = GL_TRUE;
+   piglit_require_extension("GL_KHR_debug");
+
+   glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
+   glEnable(GL_DEBUG_OUTPUT);
+
+   if (!piglit_check_gl_error(GL_NO_ERROR))
+      piglit_report_result(PIGLIT_FAIL);
+
+   /* test callback is called only when it shoud be */
+   test_api_error(SKIP_SETUP);
+   test_api_error(CALLBACK_ENABLE);
+   test_api_error(DEBUG_ENABLE);
+   test_api_error(DEBUG_ENABLE | CALLBACK_ENABLE);
+   test_api_error(0);
+
+   piglit_report_result(PIGLIT_PASS);
+}
-- 
1.7.9.5