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-rw-r--r--src/compiler/spirv/vtn_variables.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index 586dcc5b99c..e1e2c8c26ba 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;
}