fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-01 12:28:07 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

spirv: Builtin Layer is an input for fragment shaders

Browse source 
This change makes it so we emit a load_input intrinsic when Layer
is read in a fragment shader.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Iago Toral Quiroga 2016-12-02 14:16:07 +01:00
parent a7b510f656
commit 66e7effc85
1 changed files with 6 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
src/compiler/spirv/vtn_variables.c
View file

@ -819,7 +819,12 @@ vtn_get_builtin_location(struct vtn_builder *b,
break;
case SpvBuiltInLayer:
*location = VARYING_SLOT_LAYER;
*mode = nir_var_shader_out;
if (b->shader->stage == MESA_SHADER_FRAGMENT)
*mode = nir_var_shader_in;
else if (b->shader->stage == MESA_SHADER_GEOMETRY)
*mode = nir_var_shader_out;
else
unreachable("invalid stage for SpvBuiltInLayer");
break;
case SpvBuiltInViewportIndex:
*location = VARYING_SLOT_VIEWPORT;