The funny thing is that I just encountered a somewhat similar bug in the
i965 vec4 backend. :) The ability to mix sizes like that in the IR was
a mistake. We should have added swizzles to code like this so that the
types would match. Alas.
This patch is
Reviewed-by: Ian Romanick
On 06/27/201
On 28/06/18 09:23, Timothy Arceri wrote:
The spec allows adding scalars a vector or matrix. In this case
the opt was losing any swizzle or size information.
This fixes a bug with Doom (2016) shaders.
Forgot to add:
Fixes: 34ec1a24d61f ("glsl: Optimize (x + y cmp 0) into (x cmp -y).")
---
The spec allows adding scalars a vector or matrix. In this case
the opt was losing any swizzle or size information.
This fixes a bug with Doom (2016) shaders.
---
src/compiler/glsl/opt_algebraic.cpp | 6 ++
1 file changed, 6 insertions(+)
diff --git a/src/compiler/glsl/opt_algebraic.cpp
b/s
