diff options
| author | Jason Ekstrand <[email protected]> | 2017-03-02 19:03:01 -0800 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2017-03-14 07:36:20 -0700 |
| commit | fffa4111dfe6eb10fb478967ca0798331dfd525f (patch) | |
| tree | 8a06846d409f910fe4c535693fd2e0fce64ed820 | |
| parent | 3c312be7b3e95ec7540e98abed1b6f3cc8d31b2a (diff) | |
nir/spirv: Restrict the number of channels in texture coordinates
Some SPIR-V texturing instructions pack more than the texture coordinate
into the coordinate source. We need to mask off the unused channels.
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
| -rw-r--r-- | src/compiler/spirv/spirv_to_nir.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c index 8a02904e179..5b7d8f911e7 100644 --- a/src/compiler/spirv/spirv_to_nir.c +++ b/src/compiler/spirv/spirv_to_nir.c @@ -1568,7 +1568,8 @@ vtn_handle_texture(struct vtn_builder *b, SpvOp opcode, coord_components++; coord = vtn_ssa_value(b, w[idx++])->def; - p->src = nir_src_for_ssa(coord); + p->src = nir_src_for_ssa(nir_channels(&b->nb, coord, + (1 << coord_components) - 1)); p->src_type = nir_tex_src_coord; p++; break; |