fdo28551: Print out GL error on failure.

1 files changed, 5 insertions, 1 deletions

diff --git a/tests/bugs/fdo28551.c b/tests/bugs/fdo28551.c
index f65c44873..524337ddc 100644
--- a/tests/bugs/fdo28551.c
+++ b/tests/bugs/fdo28551.c
@@ -41,6 +41,7 @@ enum piglit_result
 piglit_display(void)
 {
 	GLint red_bits;
+	GLenum err;
 
 	glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER,
 					      GL_BACK_LEFT,
@@ -49,8 +50,11 @@ piglit_display(void)
 
 	printf("Red bits: %d\n", red_bits);
 
-	if (glGetError())
+	err = glGetError();
+	if (err) {
+		printf("glGetFramebufferAttachmentParameteriv GL error: 0x%x\n", err);
 		return PIGLIT_FAILURE;
+	}
 
        	return PIGLIT_SUCCESS;
 }