glx_arb_create_context: Add current-no-framebuffer test

Signed-off-by: Adam Jackson <ajax@redhat.com>

3 files changed, 92 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index 1dccd9ad..cb0c21c9 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -392,6 +392,7 @@ import_context['query context info'] = PlainExecTest(['glx-query-context-info-ex
 
 create_context = Group();
 glx['GLX_ARB_create_context'] = create_context
+create_context['current with no framebuffer'] = concurrent_test('glx-create-context-current-no-framebuffer')
 create_context['default major version'] = concurrent_test('glx-create-context-default-major-version')
 create_context['default minor version'] = concurrent_test('glx-create-context-default-minor-version')
 create_context['invalid attribute'] = concurrent_test('glx-create-context-invalid-attribute')
diff --git a/tests/spec/glx_arb_create_context/CMakeLists.gl.txt b/tests/spec/glx_arb_create_context/CMakeLists.gl.txt
index 76c403a4..e913d784 100644
--- a/tests/spec/glx_arb_create_context/CMakeLists.gl.txt
+++ b/tests/spec/glx_arb_create_context/CMakeLists.gl.txt
@@ -23,6 +23,7 @@ IF(PIGLIT_BUILD_GLX_TESTS)
 		${X11_X11_LIB}
 	)
 	piglit_add_executable (glx-create-context-core-profile core-profile.c common.c)
+	piglit_add_executable (glx-create-context-current-no-framebuffer current-no-framebuffer.c common.c)
 	piglit_add_executable (glx-create-context-default-major-version default-major-version.c common.c)
 	piglit_add_executable (glx-create-context-default-minor-version default-minor-version.c common.c)
 	piglit_add_executable (glx-create-context-indirect-es2-profile indirect-es2-profile.c common.c)
diff --git a/tests/spec/glx_arb_create_context/current-no-framebuffer.c b/tests/spec/glx_arb_create_context/current-no-framebuffer.c
new file mode 100644
index 00000000..8f2956e7
--- /dev/null
+++ b/tests/spec/glx_arb_create_context/current-no-framebuffer.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2013 Red Hat, Inc.
+ *
+ * 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.
+ */
+#include "piglit-util-gl-common.h"
+#include "piglit-glx-util.h"
+#include "common.h"
+
+int main(int argc, char **argv)
+{
+	static const int attribs[] = {
+		GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
+		GLX_CONTEXT_MINOR_VERSION_ARB, 0,
+		None
+	};
+	GLXContext ctx;
+	int major;
+	int minor;
+	int result = PIGLIT_PASS;
+
+	GLX_ARB_create_context_setup();
+
+	/* 
+	 * The GLX_ARB_create_context spec says:
+	 *
+	 *  In the description of glXMakeContextCurrent, replace the text
+	 *	"If either <draw> or <read> are not a valid GLX drawable, a
+	 *	GLXBadDrawable error is generated."
+	 *
+	 *  with
+	 *
+	 *	"If either <draw> or <read> are not a valid GLX drawable, a
+	 *	GLXBadDrawable error is generated, unless <draw> and <read> are
+	 *	both None and the OpenGL version supported by <ctx> is 3.0 or
+	 *	greater. In this case the context is made current without a
+	 *	default framebuffer, as defined in chapter 4 of the OpenGL 3.0
+	 *	Specification."
+	 *
+	 * Request an OpenGL 3.0 context, and then make it current with None
+	 * for both the drawable and readable.
+	 */
+	ctx = glXCreateContextAttribsARB(dpy, fbconfig, NULL, True, attribs);
+
+	if (!ctx) {
+		/*
+		 * Well, is 3.0 supported at all?  The spec says:
+		 *
+		 *  * If <config> does not support compatible OpenGL contexts
+		 *    providing the requested API major and minor version,
+		 *    forward-compatible flag, and debug context flag,
+		 *    GLXBadFBConfig is generated.
+		 */
+		if (validate_glx_error_code(Success, GLXBadFBConfig)) {
+			fprintf(stderr, "GL 3.0 not supported\n");
+			result = PIGLIT_SKIP;
+		} else {
+			fprintf(stderr, "Failed to create a 3.0 context\n");
+			result = PIGLIT_WARN;
+		}
+	} else {
+		if (!glXMakeContextCurrent(dpy, None, None, ctx))
+			result = PIGLIT_FAIL;
+		else if (!validate_glx_error_code(Success, -1))
+			result = PIGLIT_FAIL;
+
+		glXDestroyContext(dpy, ctx);
+	}
+	GLX_ARB_create_context_teardown();
+
+	piglit_report_result(result);
+	return 0;
+}