diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2020-08-13 22:12:12 -0400 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2020-09-02 22:45:38 -0400 |
| commit | 0464ee7f9d9383175c31192500ee9e6d9f01fe60 (patch) | |
| tree | 7608947f8d7d358a1dee0b8fdca1fd0e0165f71e | |
| parent | bf23ff83e69a76424ea083c6641b952868e4b87c (diff) | |
radeonsi: don't crash if input_usage_mask is 0 for a VS input
This will start happening with the lowered IO intrinstics and new scanning
code.
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6445>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader_llvm_vs.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader_llvm_vs.c b/src/gallium/drivers/radeonsi/si_shader_llvm_vs.c index 62ec43cd195..f0c93ac3264 100644 --- a/src/gallium/drivers/radeonsi/si_shader_llvm_vs.c +++ b/src/gallium/drivers/radeonsi/si_shader_llvm_vs.c @@ -132,8 +132,14 @@ static void load_input_vs(struct si_shader_context *ctx, unsigned input_index, L return; } - /* Do multiple loads for special formats. */ unsigned required_channels = util_last_bit(info->input_usage_mask[input_index]); + if (required_channels == 0) { + for (unsigned i = 0; i < 4; ++i) + out[i] = LLVMGetUndef(ctx->ac.f32); + return; + } + + /* Do multiple loads for special formats. */ LLVMValueRef fetches[4]; unsigned num_fetches; unsigned fetch_stride; |