From ca7ead03da4481cd34933175898f4a924e588ad4 Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Tue, 20 Jul 2010 16:37:22 +0200 Subject: r300g: implement depth clamp Depth clamping seems to be implicit if clipping is disabled. It's not perfect, but it's good enough for wine and passes the corresponding piglit tests. --- src/gallium/drivers/r300/r300_state.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/gallium/drivers/r300/r300_state.c') diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 0bbc022f83..f52265b1c0 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -440,7 +440,8 @@ static void r300_set_clip_state(struct pipe_context* pipe, OUT_CB_TABLE(state->ucp, state->nr * 4); } OUT_CB_REG(R300_VAP_CLIP_CNTL, ((1 << state->nr) - 1) | - R300_PS_UCP_MODE_CLIP_AS_TRIFAN); + R300_PS_UCP_MODE_CLIP_AS_TRIFAN | + (state->depth_clamp ? R300_CLIP_DISABLE : 0)); END_CB; r300->clip_state.dirty = TRUE; -- cgit v1.2.3