From 201b88a93bb9d42a3baf349f83756df1d562da29 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Sun, 12 Jan 2020 00:07:05 -0500 Subject: [PATCH] nvc0: treat all draws without color0 broadcast as MRT Per the semi-recently-released NVIDIA docs, when this bit is not enabled, then the result for RT[0] will be used. So if e.g. only a single RT is drawn to and it's not RT[2], the results will not be visible. Fixes GTF-GL45.gtf33.GL3Tests.explicit_attrib_location.explicit_attrib_location_pipeline which was failing due to a frag shader outputting only to location=2. Signed-off-by: Ilia Mirkin --- src/gallium/drivers/nouveau/nvc0/nvc0_program.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c index 2f235805436..128b94e1da5 100644 --- a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c @@ -440,7 +440,7 @@ nvc0_fp_gen_header(struct nvc0_program *fp, struct nv50_ir_prog_info *info) if (info->prop.fp.usesDiscard) fp->hdr[0] |= 0x8000; - if (info->prop.fp.numColourResults > 1) + if (!info->prop.fp.separateFragData) fp->hdr[0] |= 0x4000; if (info->io.sampleMask < PIPE_MAX_SHADER_OUTPUTS) fp->hdr[19] |= 0x1; -- 2.30.2