[Piglit] [PATCH 1/3] clearbuffer-display-lists: GL_BACK_is not allowed as drawbuffer

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

Only 0 to MAX_DRAW_BUFFERS-1 is allowed. If you want to clear GL_BACK,
call glDrawBuffers(GL_BACK) and then glClearBuffer(GL_COLOR, 0, ..).
---
 tests/spec/gl-3.0/api/clearbuffer-display-lists.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tests/spec/gl-3.0/api/clearbuffer-display-lists.c b/tests/spec/gl-3.0/api/clearbuffer-display-lists.c
index 4d9bda2..cdc180d 100644
--- a/tests/spec/gl-3.0/api/clearbuffer-display-lists.c
+++ b/tests/spec/gl-3.0/api/clearbuffer-display-lists.c
@@ -58,7 +58,7 @@ void piglit_init(int argc, char **argv)
 	/* Create a new list in compile mode */
 	glNewList(index, GL_COMPILE);
 	glClearBufferfv(GL_COLOR,
-			GL_BACK,
+			0,
 			first);
 	glEndList();
 	pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
@@ -82,7 +82,7 @@ void piglit_init(int argc, char **argv)
 	/* Create a new list in compile and execute mode */
 	glNewList(index + 1, GL_COMPILE_AND_EXECUTE);
 	glClearBufferfv(GL_COLOR,
-			GL_BACK,
+			0,
 			second);
 	glEndList();
 
@@ -96,7 +96,7 @@ void piglit_init(int argc, char **argv)
 	 * call glCallList() and probe the color buffer again
 	 */
 	glClearBufferfv(GL_COLOR,
-			GL_BACK,
+			0,
 			third);
 	/* Probe the color buffer before glCallList() */
 	pass = piglit_probe_rect_rgba(0, 0,
-- 
1.8.3.2