On 08/28/2018 06:36 PM, Timothy Arceri wrote:
> This fixes compilation of some "No Mans Sky" shaders where the stringification
> happens in branches intended for DX12.
I was going to complain that this would make things like the following
compile:
#version 110
#ifdef this_is_undefined
#is_this_valid_too
#endif
void main() { }
This already compiles. Looking at the C99 spec and testing with GCC,
this is intentional. We should probably add that as another
preprocessor test.
This patch is
Reviewed-by: Ian Romanick <ian.d.roman...@intel.com>
> ---
>
> Piglit tests: https://patchwork.freedesktop.org/series/48850/
>
> src/compiler/glsl/glcpp/glcpp-lex.l | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/src/compiler/glsl/glcpp/glcpp-lex.l
> b/src/compiler/glsl/glcpp/glcpp-lex.l
> index 9cfcc120222..fe5845acd4e 100644
> --- a/src/compiler/glsl/glcpp/glcpp-lex.l
> +++ b/src/compiler/glsl/glcpp/glcpp-lex.l
> @@ -420,8 +420,10 @@ HEXADECIMAL_INTEGER 0[xX][0-9a-fA-F]+[uU]?
>
> /* This will catch any non-directive garbage after a HASH */
> <HASH>{NONSPACE} {
> - BEGIN INITIAL;
> - RETURN_TOKEN (GARBAGE);
> + if (!parser->skipping) {
> + BEGIN INITIAL;
> + RETURN_TOKEN (GARBAGE);
> + }
> }
>
> /* An identifier immediately followed by '(' */
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