[Piglit] [PATCH] Verify the functionality of glDrawBuffer with different color buffer modes

[Anuj Phogat]

This test case is used to reproduce and verify the fix for segmentation fault
cause by glDrawBuffer(GL_FRONT_AND_BACK) in GLUT_DOUBLE_BUFFER mode.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44153

Reported-by: Yi Sun <yi.sun at intel.com>
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 tests/all.tests               |    1 +
 tests/bugs/CMakeLists.gl.txt  |    1 +
 tests/bugs/drawbuffer-modes.c |   66 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 0 deletions(-)
 create mode 100644 tests/bugs/drawbuffer-modes.c

diff --git a/tests/all.tests b/tests/all.tests
index 8dab27b..167f812 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -551,6 +551,7 @@ shaders['vpfp-generic'] = vpfpgeneric
 bugs = Group()
 add_plain_test(bugs, 'crash-cubemap-order')
 add_plain_test(bugs, 'crash-texparameter-before-teximage')
+add_plain_test(bugs, 'drawbuffer-modes')
 add_plain_test(bugs, 'fdo9833')
 add_plain_test(bugs, 'fdo10370')
 add_plain_test(bugs, 'fdo14575')
diff --git a/tests/bugs/CMakeLists.gl.txt b/tests/bugs/CMakeLists.gl.txt
index bce0532..5c1864e 100644
--- a/tests/bugs/CMakeLists.gl.txt
+++ b/tests/bugs/CMakeLists.gl.txt
@@ -16,6 +16,7 @@ link_libraries (
 
 add_executable (crash-cubemap-order crash-cubemap-order.c)
 add_executable (crash-texparameter-before-teximage crash-texparameter-before-teximage.c)
+add_executable (drawbuffer-modes drawbuffer-modes.c)
 add_executable (fdo9833 fdo9833.c)
 add_executable (fdo10370 fdo10370.c)
 add_executable (fdo14575 fdo14575.c)
diff --git a/tests/bugs/drawbuffer-modes.c b/tests/bugs/drawbuffer-modes.c
new file mode 100644
index 0000000..9bd08ed
--- /dev/null
+++ b/tests/bugs/drawbuffer-modes.c
@@ -0,0 +1,66 @@
+/* Copyright © 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 drawbuffer-modes.c
+ * Verify the functionality of glDrawBuffer() function with different color
+ * buffer modes in default framebuffer
+ *
+ * This test works by calling glDrawBuffer function for each color buffer mode
+ * All the calls should ensure no error.
+ * This test case is developed to verify the fix for Bug 44153:
+ * https://bugs.freedesktop.org/show_bug.cgi?id=44153
+ *
+ * \author Yi Sun <yi.sun at intel.com>, Anuj Phogat <anuj.phogat at gmail.com>
+ */
+
+#include "piglit-util.h"
+int piglit_width = 100, piglit_height = 100;
+int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
+
+int bufferlist[] = {
+	GL_FRONT_AND_BACK,
+	GL_FRONT, GL_BACK,
+	GL_LEFT,
+	GL_FRONT_LEFT,
+	GL_BACK_LEFT,
+	GL_NONE
+};
+
+
+enum piglit_result
+piglit_display(void)
+{
+	int i;
+	for ( i = 0; i < sizeof(bufferlist)/sizeof(bufferlist[0]); i++) {
+		glDrawBuffer( bufferlist[i] );
+		piglit_draw_rect(25, 25, 50, 50);
+		piglit_check_gl_error(GL_NO_ERROR, PIGLIT_FAIL);
+	}
+	piglit_report_result(PIGLIT_PASS);
+	return PIGLIT_PASS;
+}
+
+void piglit_init(int argc, char **argv)
+{
+
+}
-- 
1.7.7.4