[Piglit] [PATCH 9/9] gl-3.0: Add test for the forward-compatible bit

[Chad Versace]

Create a context with or without the forward-compatible bit, according to
a command line flag.  Then verify that GL_CONTEXT_FLAGS does or does not
contain GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT.

Signed-off-by: Chad Versace <chad.versace at linux.intel.com>
---
 tests/all.tests                                |  2 +
 tests/spec/gl-3.0/api/CMakeLists.gl.txt        |  1 +
 tests/spec/gl-3.0/api/forward-compatible-bit.c | 95 ++++++++++++++++++++++++++
 3 files changed, 98 insertions(+)
 create mode 100644 tests/spec/gl-3.0/api/forward-compatible-bit.c

diff --git a/tests/all.tests b/tests/all.tests
index 89dbb54..63b6700 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -713,6 +713,8 @@ gl30['minmax'] = concurrent_test('gl-3.0-minmax')
 gl30['required-sized-texture-formats'] = concurrent_test('gl-3.0-required-sized-texture-formats 30')
 gl30['required-renderbuffer-attachment-formats'] = concurrent_test('gl-3.0-required-renderbuffer-attachment-formats 30')
 gl30['required-texture-attachment-formats'] = concurrent_test('gl-3.0-required-texture-attachment-formats 30')
+gl30['forward-compatible-bit yes'] = concurrent_test('gl-3.0-forward-compatible-bit yes')
+gl30['forward-compatible-bit no'] = concurrent_test('gl-3.0-forward-compatible-bit no')
 add_concurrent_test(gl30, 'gl-3.0-texture-integer')
 add_plain_test(gl30, 'gl30basic')
 add_plain_test(gl30, 'array-depth-roundtrip')
diff --git a/tests/spec/gl-3.0/api/CMakeLists.gl.txt b/tests/spec/gl-3.0/api/CMakeLists.gl.txt
index 4d61691..ebe73ac 100644
--- a/tests/spec/gl-3.0/api/CMakeLists.gl.txt
+++ b/tests/spec/gl-3.0/api/CMakeLists.gl.txt
@@ -21,6 +21,7 @@ piglit_add_executable (clearbuffer-mixed-format clearbuffer-common.c clearbuffer
 piglit_add_executable (clearbuffer-stencil clearbuffer-common.c clearbuffer-stencil.c)
 piglit_add_executable (genmipmap-errors genmipmap-errors.c)
 piglit_add_executable (getfragdatalocation getfragdatalocation.c)
+piglit_add_executable (gl-3.0-forward-compatible-bit forward-compatible-bit.c)
 piglit_add_executable (integer-errors integer-errors.c)
 
 # vim: ft=cmake:
diff --git a/tests/spec/gl-3.0/api/forward-compatible-bit.c b/tests/spec/gl-3.0/api/forward-compatible-bit.c
new file mode 100644
index 0000000..d35782f
--- /dev/null
+++ b/tests/spec/gl-3.0/api/forward-compatible-bit.c
@@ -0,0 +1,95 @@
+/* Copyright © 2013 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
+ *
+ * Create a context with or without the forward-compatible bit, according to
+ * a command line flag.  Then verify that GL_CONTEXT_FLAGS does or does not
+ * contain GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT.
+ */
+
+#include "piglit-util-gl-common.h"
+
+static void
+usage_error(void)
+{
+	printf("usage error\n"
+	       "usage: gl-3.0-forward-compatible-bit yes|no\n");
+	piglit_report_result(PIGLIT_FAIL);
+}
+
+static bool expect_fwd_compat;
+
+PIGLIT_GL_TEST_CONFIG_BEGIN
+
+	if (PIGLIT_STRIP_ARG("yes")) {
+		expect_fwd_compat = true;
+	} else if (PIGLIT_STRIP_ARG("no")) {
+		expect_fwd_compat = false;
+	} else {
+		usage_error();
+	}
+
+	config.supports_gl_compat_version = 30;
+	config.require_forward_compatible_context = expect_fwd_compat;
+
+PIGLIT_GL_TEST_CONFIG_END
+
+
+void
+piglit_init(int argc, char **argv)
+{
+	GLint flags;
+	enum piglit_result result = PIGLIT_PASS;
+
+	glGetIntegerv(GL_CONTEXT_FLAGS, &flags);
+
+	if (!piglit_check_gl_error(GL_NO_ERROR))
+		piglit_report_result(PIGLIT_FAIL);
+
+	if (expect_fwd_compat &&
+	    !(flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)) {
+		fprintf(stderr, "error: Requested creation of a "
+			"forward-compatible OpenGL 3.0 context, but "
+			"GL_CONTEXT_FLAGS does not contain "
+			"GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT\n");
+		fprintf(stderr, "error: GL_CONTEXT_FLAGS=0x%x\n", flags);
+		result = PIGLIT_FAIL;
+	} else if (!expect_fwd_compat &&
+	           (flags & GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT)) {
+		fprintf(stderr, "error: Requested creation of a "
+			"non-forward-compatible OpenGL 3.0 context, but "
+			"GL_CONTEXT_FLAGS contains "
+			"GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT\n");
+		fprintf(stderr, "error: GL_CONTEXT_FLAGS=0x%x\n", flags);
+		result = PIGLIT_FAIL;
+	}
+
+	piglit_report_result(result);
+}
+
+enum piglit_result
+piglit_display(void)
+{
+	return PIGLIT_FAIL;
+}
-- 
1.8.4