diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.c')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 032b5a7bd8b..be3b897c791 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -5228,10 +5228,20 @@ static bool si_shader_binary_open(struct si_screen *screen, esgs_ring_size = shader->gs_info.esgs_ring_size;; } - if (sel && shader->key.as_ngg && sel->so.num_outputs) { - unsigned esgs_vertex_bytes = 4 * (4 * sel->info.num_outputs + 1); - esgs_ring_size = MAX2(esgs_ring_size, - shader->ngg.max_out_verts * esgs_vertex_bytes); + if (sel && shader->key.as_ngg) { + if (sel->so.num_outputs) { + unsigned esgs_vertex_bytes = 4 * (4 * sel->info.num_outputs + 1); + esgs_ring_size = MAX2(esgs_ring_size, + shader->ngg.max_out_verts * esgs_vertex_bytes); + } + + /* GS stores Primitive IDs into LDS at the address corresponding + * to the provoking vertex. All vertex threads load and export + * PrimitiveID for their thread. + */ + if (sel->type == PIPE_SHADER_VERTEX && + shader->key.mono.u.vs_export_prim_id) + esgs_ring_size = MAX2(esgs_ring_size, shader->ngg.max_out_verts * 4); } if (esgs_ring_size) { |