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nir/spirv: Fix the UBO loading case of a single row-major matric column

This commit is contained in:
Jason Ekstrand 2016-02-01 13:26:59 -08:00
parent abc0e5c1b8
commit 593f88c0db
1 changed files with 5 additions and 2 deletions
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7
src/glsl/nir/spirv/vtn_variables.c
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@ -490,8 +490,11 @@ _vtn_block_load_store(struct vtn_builder *b, nir_intrinsic_op op, bool load,
_vtn_load_store_tail(b, op, load, index, offset, inout,
glsl_scalar_type(base_type));
} else {
/* Picking one element off each column */
/* Grabbing a column; picking one element off each row */
unsigned num_comps = glsl_get_vector_elements(type->type);
const struct glsl_type *column_type =
glsl_get_column_type(type->type);
nir_ssa_def *comps[4];
for (unsigned i = 0; i < num_comps; i++) {
nir_ssa_def *elem_offset =
@ -511,7 +514,7 @@ _vtn_block_load_store(struct vtn_builder *b, nir_intrinsic_op op, bool load,
if (load) {
if (*inout == NULL)
*inout = vtn_create_ssa_value(b, type->type);
*inout = vtn_create_ssa_value(b, column_type);
(*inout)->def = nir_vec(&b->nb, comps, num_comps);
}