Philip Rebohle : vkd3d-shader: Use full write mask for variables for array built-ins.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 7ac0873b4a75dde9de2b01ca11fb97aac0ffc128
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=7ac0873b4a75dde9de2b01ca...

Author: Philip Rebohle 
Date:   Thu Oct 24 21:16:15 2019 +0330

vkd3d-shader: Use full write mask for variables for array built-ins.

Private variables are always vec4, so using a sparse write mask here
will lead to invalid code being generated when accessing the variable.

Signed-off-by: Philip Rebohle 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard

---

libs/vkd3d-shader/spirv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index 6a3eb10..936b014 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -4320,7 +4320,7 @@ static void vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler
     storage_class = SpvStorageClassOutput;

if ((use_private_variable = builtin && builtin->spirv_array_size))
-        write_mask = dst->write_mask;
+        write_mask = VKD3DSP_WRITEMASK_ALL;
     else if (get_shader_output_swizzle(compiler, signature_element->register_index) != VKD3D_NO_SWIZZLE
             || needs_private_io_variable(shader_signature, signature_element->register_index,
                     builtin, &output_component_count, &write_mask)