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radv: Revert divisor = 0 case for vertex attribute extension.

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Seems like DXVK depends on that and it might get reverted
upstream. Since apps are not supposed to use 0 in v2 anyway,
we should be safe implementing the old behavior there.

Fixes: 66e12451ac "radv: Update to new VK_EXT_vertex_attribute_divisor to version 2."
CC: 18.2 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Bas Nieuwenhuizen 2018-08-15 16:28:24 +02:00
parent 3308db2dd7
commit 011a811652
1 changed files with 1 additions and 1 deletions
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src/amd/vulkan/radv_nir_to_llvm.c
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@ -2006,7 +2006,7 @@ handle_vs_input_decl(struct radv_shader_context *ctx,
MAX2(1, ctx->shader_info->vs.vgpr_comp_cnt);
}
} else {
unreachable("Invalid vertex attribute divisor of 0.");
buffer_index = ctx->ac.i32_0;
}
buffer_index = LLVMBuildAdd(ctx->ac.builder, ctx->abi.start_instance, buffer_index, "");