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nir: Add per_view attribute to nir_variable

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If a nir_variable is tagged with per_view, it must be an array with
size corresponding to the number of views.  For slot-tracking, it is
considered to take just the slot for a single element -- drivers will
take care of expanding this appropriately.

This will be used to implement the ability of having per-view position
in a vertex shader in Intel platforms.

Acked-by: Rafael Antognolli <rafael.antognolli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2313>
This commit is contained in:
Caio Marcelo de Oliveira Filho
2020-02-11 14:41:05 -08:00
committed by Marge Bot
parent 0bc77bcdb2
commit 5dc85abc4f
7 changed files with 42 additions and 8 deletions
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6
src/compiler/nir/nir_print.c
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@@ -461,8 +461,10 @@ print_var_decl(nir_variable *var, print_state *state)
const char *const samp = (var->data.sample) ? "sample " : "";
const char *const patch = (var->data.patch) ? "patch " : "";
const char *const inv = (var->data.invariant) ? "invariant " : "";
fprintf(fp, "%s%s%s%s%s %s ",
cent, samp, patch, inv, get_variable_mode_str(var->data.mode, false),
const char *const per_view = (var->data.per_view) ? "per_view " : "";
fprintf(fp, "%s%s%s%s%s%s %s ",
cent, samp, patch, inv, per_view,
get_variable_mode_str(var->data.mode, false),
glsl_interp_mode_name(var->data.interpolation));
enum gl_access_qualifier access = var->data.access;