From 7dafa96ab59892b7f1fbffdb61e4326e6443955f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Thu, 24 Jun 2021 02:41:09 -0300
Subject: shader: Rework varyings and implement passthrough geometry shaders

Put all varyings into a single std::bitset with helpers to access it.

Implement passthrough geometry shaders using host's.
---
 src/shader_recompiler/shader_info.h | 37 +++++--------------------------------
 1 file changed, 5 insertions(+), 32 deletions(-)

(limited to 'src/shader_recompiler/shader_info.h')

diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h
index a20e15d2e..4ef4dbd40 100644
--- a/src/shader_recompiler/shader_info.h
+++ b/src/shader_recompiler/shader_info.h
@@ -9,6 +9,7 @@
 
 #include "common/common_types.h"
 #include "shader_recompiler/frontend/ir/type.h"
+#include "shader_recompiler/varying_state.h"
 
 #include <boost/container/small_vector.hpp>
 #include <boost/container/static_vector.hpp>
@@ -44,11 +45,6 @@ enum class Interpolation {
     NoPerspective,
 };
 
-struct InputVarying {
-    Interpolation interpolation{Interpolation::Smooth};
-    bool used{false};
-};
-
 struct ConstantBufferDescriptor {
     u32 index;
     u32 count;
@@ -121,18 +117,10 @@ struct Info {
     bool uses_subgroup_shuffles{};
     std::array<bool, 30> uses_patches{};
 
-    std::array<InputVarying, 32> input_generics{};
-    bool loads_primitive_id{};
-    bool loads_position{};
-    bool loads_color_front_diffuse{};
-    bool loads_fixed_fnc_textures{};
-    bool loads_point_coord{};
-    bool loads_instance_id{};
-    bool loads_vertex_id{};
-    bool loads_front_face{};
-    bool loads_legacy_varyings{};
-
-    bool loads_tess_coord{};
+    std::array<Interpolation, 32> interpolation{};
+    VaryingState loads;
+    VaryingState stores;
+    VaryingState passthrough;
 
     bool loads_indexed_attributes{};
 
@@ -140,21 +128,6 @@ struct Info {
     bool stores_sample_mask{};
     bool stores_frag_depth{};
 
-    std::bitset<32> stores_generics{};
-    bool stores_layer{};
-    bool stores_viewport_index{};
-    bool stores_point_size{};
-    bool stores_position{};
-    bool stores_color_front_diffuse{};
-    bool stores_color_front_specular{};
-    bool stores_color_back_diffuse{};
-    bool stores_color_back_specular{};
-    bool stores_fixed_fnc_textures{};
-    bool stores_clip_distance{};
-    bool stores_fog_coordinate{};
-    bool stores_viewport_mask{};
-    bool stores_legacy_varyings{};
-
     bool stores_tess_level_outer{};
     bool stores_tess_level_inner{};
 
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