From: Dave Airlie Date: Wed, 25 May 2011 00:01:25 +0000 (+1000) Subject: r600g: don't lookup a vs semantic for position/face. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d1b8f8e8b3b41ab6092fa3f18a4891a0198f64de;p=mesa.git r600g: don't lookup a vs semantic for position/face. These don't need one, and I was seeing 0xff being returned and set in the GPU registers with some tests. Signed-off-by: Dave Airlie --- diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 845d41ace02..a27f4950dd7 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -41,6 +41,10 @@ int r600_find_vs_semantic_index(struct r600_shader *vs, { struct r600_shader_io *input = &ps->input[id]; + /* position/face doesn't get/need a semantic index */ + if (input->name == TGSI_SEMANTIC_POSITION || input->name == TGSI_SEMANTIC_FACE) + return 0; + for (int i = 0; i < vs->noutput; i++) { if (input->name == vs->output[i].name && input->sid == vs->output[i].sid) {