From 44b7005581c4dfab43493d9739e326403cc04614 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Tue, 13 Nov 2018 10:07:31 -0600 Subject: [PATCH] nir/spirv: Force 32-bit for UBO and SSBO Booleans MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reviewed-by: Samuel Iglesias Gonsálvez --- src/compiler/spirv/vtn_variables.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c index 586dcc5..e1e2c8c 100644 --- a/src/compiler/spirv/vtn_variables.c +++ b/src/compiler/spirv/vtn_variables.c @@ -623,6 +623,13 @@ _vtn_load_store_tail(struct vtn_builder *b, nir_intrinsic_op op, bool load, nir_intrinsic_instr *instr = nir_intrinsic_instr_create(b->nb.shader, op); instr->num_components = glsl_get_vector_elements(type); + /* Booleans usually shouldn't show up in external memory in SPIR-V. + * However, they do for certain older GLSLang versions and can for shared + * memory when we lower access chains internally. + */ + const unsigned data_bit_size = glsl_type_is_boolean(type) ? 32 : + glsl_get_bit_size(type); + int src = 0; if (!load) { nir_intrinsic_set_write_mask(instr, (1 << instr->num_components) - 1); @@ -654,8 +661,7 @@ _vtn_load_store_tail(struct vtn_builder *b, nir_intrinsic_op op, bool load, if (load) { nir_ssa_dest_init(&instr->instr, &instr->dest, - instr->num_components, - glsl_get_bit_size(type), NULL); + instr->num_components, data_bit_size, NULL); (*inout)->def = &instr->dest.ssa; } -- 2.7.4