From 12e3ad2ae98a560e2527f4f28423920a15570590 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Tue, 16 Feb 2016 01:18:30 -0500 Subject: [PATCH] mesa: gl_NumSamples should always be at least one From ARB_sample_shading: "gl_NumSamples is the total number of samples in the framebuffer, or one if rendering to a non-multisample framebuffer" So make sure to always pass in at least 1. Signed-off-by: Ilia Mirkin Reviewed-by: Edward O`Callaghan Reviewed-by: Neil Roberts --- src/mesa/program/prog_statevars.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mesa/program/prog_statevars.c b/src/mesa/program/prog_statevars.c index eed241271df..489f75fd577 100644 --- a/src/mesa/program/prog_statevars.c +++ b/src/mesa/program/prog_statevars.c @@ -353,7 +353,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[], } return; case STATE_NUM_SAMPLES: - ((int *)value)[0] = _mesa_geometric_samples(ctx->DrawBuffer); + ((int *)value)[0] = MAX2(1, _mesa_geometric_samples(ctx->DrawBuffer)); return; case STATE_DEPTH_RANGE: value[0] = ctx->ViewportArray[0].Near; /* near */ -- 2.30.2