From 3a2dd1b48310e2912e7f7f90da15bff555ef7256 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 20 Jun 2021 01:40:21 -0400
Subject: glasm: Implement SetAttribute ViewportMask
---
src/shader_recompiler/backend/glasm/emit_glasm.cpp | 3 ++-
.../backend/glasm/emit_glasm_context_get_set.cpp | 8 ++++++++
2 files changed, 10 insertions(+), 1 deletion(-)
(limited to 'src/shader_recompiler/backend')
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 66e4aea045..f39b02f77c 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -286,7 +286,8 @@ void SetupOptions(const IR::Program& program, const Profile& profile,
if (info.uses_sparse_residency) {
header += "OPTION EXT_sparse_texture2;";
}
- if ((info.stores_viewport_index || info.stores_layer) && stage != Stage::Geometry) {
+ if (((info.stores_viewport_index || info.stores_layer) && stage != Stage::Geometry) ||
+ info.stores_viewport_mask) {
if (profile.support_viewport_index_layer_non_geometry) {
header += "OPTION NV_viewport_array2;";
}
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
index 20b9258775..bc195d248c 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
@@ -157,6 +157,14 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value,
"Viewport stored outside of geometry shader not supported by device");
}
break;
+ case IR::Attribute::ViewportMask:
+ // NV_viewport_array2 is required to access result.viewportmask, regardless of shader stage.
+ if (ctx.profile.support_viewport_index_layer_non_geometry) {
+ ctx.Add("MOV.F result.viewportmask[0].x,{};", value);
+ } else {
+ LOG_WARNING(Shader_GLASM, "Device does not support storing to ViewportMask");
+ }
+ break;
case IR::Attribute::PointSize:
ctx.Add("MOV.F result.pointsize.x,{};", value);
break;
--
cgit v1.2.3-70-g09d2