From 06bf1b38afa191cded886683fef320eb3a15f39e Mon Sep 17 00:00:00 2001
From: Billy Laws <blaws05@gmail.com>
Date: Sat, 10 Dec 2022 15:41:02 +0000
Subject: [PATCH] Introduce a pipeline state accessor that reads from a bundle

---
 app/CMakeLists.txt                            |  1 +
 .../common/file_pipeline_state_accessor.cpp   | 22 +++++++++++++++
 .../common/file_pipeline_state_accessor.h     | 28 +++++++++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100644 app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.cpp
 create mode 100644 app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.h

diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 603522a8..dcba65b5 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -210,6 +210,7 @@ add_library(skyline SHARED
         ${source_DIR}/skyline/gpu/interconnect/common/textures.cpp
         ${source_DIR}/skyline/gpu/interconnect/common/shader_cache.cpp
         ${source_DIR}/skyline/gpu/interconnect/common/pipeline_state_bundle.cpp
+        ${source_DIR}/skyline/gpu/interconnect/common/file_pipeline_state_accessor.cpp
         ${source_DIR}/skyline/gpu/shaders/helper_shaders.cpp
         ${source_DIR}/skyline/soc/smmu.cpp
         ${source_DIR}/skyline/soc/host1x/syncpoint.cpp
diff --git a/app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.cpp b/app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.cpp
new file mode 100644
index 00000000..39813a87
--- /dev/null
+++ b/app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.cpp
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2022 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#include "file_pipeline_state_accessor.h"
+
+namespace skyline::gpu::interconnect::maxwell3d {
+    FilePipelineStateAccessor::FilePipelineStateAccessor(PipelineStateBundle &bundle) : bundle{bundle} {}
+
+    Shader::TextureType FilePipelineStateAccessor::GetTextureType(u32 index) const {
+        return bundle.LookupTextureType(index);
+    }
+
+    u32 FilePipelineStateAccessor::GetConstantBufferValue(u32 shaderStage, u32 index, u32 offset) const {
+        return bundle.LookupConstantBufferValue(shaderStage, index, offset);
+    }
+
+    ShaderBinary FilePipelineStateAccessor::GetShaderBinary(u32 pipelineStage) const {
+        return bundle.GetShaderBinary(pipelineStage);
+    }
+
+    void FilePipelineStateAccessor::MarkComplete() {}
+}
diff --git a/app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.h b/app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.h
new file mode 100644
index 00000000..e530d441
--- /dev/null
+++ b/app/src/main/cpp/skyline/gpu/interconnect/common/file_pipeline_state_accessor.h
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2022 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#pragma once
+
+#include "pipeline_state_accessor.h"
+#include "pipeline_state_bundle.h"
+
+namespace skyline::gpu::interconnect::maxwell3d {
+    /**
+     * @brief Implements the PipelineStateAccessor interface for pipelines loaded from a file
+     */
+    class FilePipelineStateAccessor : public PipelineStateAccessor {
+      private:
+        PipelineStateBundle &bundle;
+
+      public:
+        FilePipelineStateAccessor(PipelineStateBundle &bundle);
+
+        Shader::TextureType GetTextureType(u32 index) const override;
+
+        u32 GetConstantBufferValue(u32 shaderStage, u32 index, u32 offset) const override;
+
+        ShaderBinary GetShaderBinary(u32 pipelineStage) const override;
+
+        void MarkComplete() override;
+    };
+}