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-rw-r--r--src/glsl/nir/nir_validate.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_validate.c b/src/glsl/nir/nir_validate.c
index bd7f5d71c94..e10f38bc6eb 100644
--- a/src/glsl/nir/nir_validate.c
+++ b/src/glsl/nir/nir_validate.c
@@ -318,10 +318,36 @@ validate_intrinsic_instr(nir_intrinsic_instr *instr, validate_state *state)
{
unsigned num_srcs = nir_intrinsic_infos[instr->intrinsic].num_srcs;
for (unsigned i = 0; i < num_srcs; i++) {
+ unsigned components_read =
+ nir_intrinsic_infos[instr->intrinsic].src_components[i];
+ if (components_read == 0)
+ components_read = instr->num_components;
+
+ assert(components_read > 0);
+
+ if (instr->src[i].is_ssa) {
+ assert(components_read <= instr->src[i].ssa->num_components);
+ } else if (!instr->src[i].reg.reg->is_packed) {
+ assert(components_read <= instr->src[i].reg.reg->num_components);
+ }
+
validate_src(&instr->src[i], state);
}
if (nir_intrinsic_infos[instr->intrinsic].has_dest) {
+ unsigned components_written =
+ nir_intrinsic_infos[instr->intrinsic].dest_components;
+ if (components_written == 0)
+ components_written = instr->num_components;
+
+ assert(components_written > 0);
+
+ if (instr->dest.is_ssa) {
+ assert(components_written <= instr->dest.ssa.num_components);
+ } else if (!instr->dest.reg.reg->is_packed) {
+ assert(components_written <= instr->dest.reg.reg->num_components);
+ }
+
validate_dest(&instr->dest, state);
}