From 00421f4ace909ae0b238bb410aeda53bb241e45a Mon Sep 17 00:00:00 2001
From: Zephyron <zephyron@citron-emu.org>
Date: Wed, 31 Dec 2025 16:08:12 +1000
Subject: [PATCH] feat(shader): add SamplerComponentType enum and
 infrastructure

- Add SamplerComponentType enum to shader_info.h
- Add ReadTextureComponentType to Environment interface
- Add texture_component_types cache to shader environments
- Update texture descriptor to include component_type field

This is the foundation for proper texture component type handling.

Co-Authored-By: ForrestMarkX <forrestmarkx@outlook.com>
Signed-off-by: Zephyron <zephyron@citron-emu.org>
---
 src/shader_recompiler/environment.h | 3 +++
 src/shader_recompiler/shader_info.h | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/shader_recompiler/environment.h b/src/shader_recompiler/environment.h
index 5dbbc7e61..f6a7e64a8 100644
--- a/src/shader_recompiler/environment.h
+++ b/src/shader_recompiler/environment.h
@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
+// SPDX-FileCopyrightText: Copyright 2025 citron Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
@@ -22,6 +23,8 @@ public:
 
     [[nodiscard]] virtual TextureType ReadTextureType(u32 raw_handle) = 0;
 
+    [[nodiscard]] virtual SamplerComponentType ReadTextureComponentType(u32 raw_handle) = 0;
+
     [[nodiscard]] virtual TexturePixelFormat ReadTexturePixelFormat(u32 raw_handle) = 0;
 
     [[nodiscard]] virtual bool IsTexturePixelFormatInteger(u32 raw_handle) = 0;
diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h
index 74c402632..fb1f0697c 100644
--- a/src/shader_recompiler/shader_info.h
+++ b/src/shader_recompiler/shader_info.h
@@ -158,6 +158,14 @@ enum class ImageFormat : u32 {
     R32G32B32A32_SFLOAT,
 };
 
+enum class SamplerComponentType : u8 {
+    Float,
+    Sint,
+    Uint,
+    Depth,
+    Stencil,
+};
+
 enum class Interpolation {
     Smooth,
     Flat,
@@ -211,6 +219,7 @@ using ImageBufferDescriptors = boost::container::small_vector<ImageBufferDescrip
 
 struct TextureDescriptor {
     TextureType type;
+    SamplerComponentType component_type;
     bool is_depth;
     bool is_multisample;
     bool is_integer;