[Piglit] [PATCH 3/4] glsl-1.50: fix sample count in interface-block-centroid.c

[Brian Paul]

Use GL_MAX_SAMPLES as sample count for glRenderbufferStorageMultisample().
Allows the test to pass on llvmpipe.
---
 tests/spec/glsl-1.50/execution/interface-block-centroid.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/spec/glsl-1.50/execution/interface-block-centroid.c b/tests/spec/glsl-1.50/execution/interface-block-centroid.c
index 138f48b..c1279a5 100644
--- a/tests/spec/glsl-1.50/execution/interface-block-centroid.c
+++ b/tests/spec/glsl-1.50/execution/interface-block-centroid.c
@@ -199,6 +199,9 @@ piglit_init(int argc, char **argv)
 	GLuint rb;
 	GLuint vao;
 	GLuint array_buf;
+	GLint samples;
+
+	glGetIntegerv(GL_MAX_SAMPLES, &samples);
 
 	/* Parse params */
 	if (argc != 2)
@@ -222,7 +225,7 @@ piglit_init(int argc, char **argv)
 	glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
 	glBindRenderbuffer(GL_RENDERBUFFER, rb);
 	glRenderbufferStorageMultisample(GL_RENDERBUFFER,
-					 4 /* samples */,
+					 samples,
 					 GL_RGBA8 /* internalformat */,
 					 piglit_width, piglit_height);
 	glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
-- 
1.9.1