diff options
Diffstat (limited to 'src/compiler/spirv')
| -rw-r--r-- | src/compiler/spirv/spirv_to_nir.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c index 9f0b8fd3665..416e12a4953 100644 --- a/src/compiler/spirv/spirv_to_nir.c +++ b/src/compiler/spirv/spirv_to_nir.c @@ -2334,9 +2334,17 @@ vtn_vector_construct(struct vtn_builder *b, unsigned num_components, nir_alu_instr *vec = create_vec(b->shader, num_components, srcs[0]->bit_size); + /* From the SPIR-V 1.1 spec for OpCompositeConstruct: + * + * "When constructing a vector, there must be at least two Constituent + * operands." + */ + assert(num_srcs >= 2); + unsigned dest_idx = 0; for (unsigned i = 0; i < num_srcs; i++) { nir_ssa_def *src = srcs[i]; + assert(dest_idx + src->num_components <= num_components); for (unsigned j = 0; j < src->num_components; j++) { vec->src[dest_idx].src = nir_src_for_ssa(src); vec->src[dest_idx].swizzle[0] = j; @@ -2344,6 +2352,13 @@ vtn_vector_construct(struct vtn_builder *b, unsigned num_components, } } + /* From the SPIR-V 1.1 spec for OpCompositeConstruct: + * + * "When constructing a vector, the total number of components in all + * the operands must equal the number of components in Result Type." + */ + assert(dest_idx == num_components); + nir_builder_instr_insert(&b->nb, &vec->instr); return &vec->dest.dest.ssa; |