From f23ba862f6505e4392521c6bfddaa80bb31e093b Mon Sep 17 00:00:00 2001
From: Triang3l <triang3l@yandex.ru>
Date: Sun, 27 Oct 2019 00:36:55 +0300
Subject: [PATCH] [D3D12] Trace viewer entry point

---
 .../gpu/d3d12/d3d12_command_processor.cc      |  4 ++
 .../gpu/d3d12/d3d12_trace_viewer_main.cc      | 61 +++++++++++++++++++
 src/xenia/gpu/d3d12/premake5.lua              | 44 +++++++++++++
 3 files changed, 109 insertions(+)
 create mode 100644 src/xenia/gpu/d3d12/d3d12_trace_viewer_main.cc

diff --git a/src/xenia/gpu/d3d12/d3d12_command_processor.cc b/src/xenia/gpu/d3d12/d3d12_command_processor.cc
index 330bfe020..8cd8f98f8 100644
--- a/src/xenia/gpu/d3d12/d3d12_command_processor.cc
+++ b/src/xenia/gpu/d3d12/d3d12_command_processor.cc
@@ -1001,6 +1001,10 @@ void D3D12CommandProcessor::WriteRegister(uint32_t index, uint32_t value) {
 void D3D12CommandProcessor::PerformSwap(uint32_t frontbuffer_ptr,
                                         uint32_t frontbuffer_width,
                                         uint32_t frontbuffer_height) {
+  // FIXME(Triang3l): frontbuffer_ptr is currently unreliable, in the trace
+  // player it's set to 0, but it's not needed anyway since the fetch constant
+  // contains the address.
+
   SCOPE_profile_cpu_f("gpu");
 
   // In case the swap command is the only one in the frame.
diff --git a/src/xenia/gpu/d3d12/d3d12_trace_viewer_main.cc b/src/xenia/gpu/d3d12/d3d12_trace_viewer_main.cc
new file mode 100644
index 000000000..064c92d44
--- /dev/null
+++ b/src/xenia/gpu/d3d12/d3d12_trace_viewer_main.cc
@@ -0,0 +1,61 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2019 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/base/logging.h"
+#include "xenia/base/main.h"
+#include "xenia/gpu/d3d12/d3d12_command_processor.h"
+#include "xenia/gpu/d3d12/d3d12_graphics_system.h"
+#include "xenia/gpu/trace_viewer.h"
+
+namespace xe {
+namespace gpu {
+namespace d3d12 {
+
+using namespace xe::gpu::xenos;
+
+class D3D12TraceViewer : public TraceViewer {
+ public:
+  std::unique_ptr<gpu::GraphicsSystem> CreateGraphicsSystem() override {
+    return std::unique_ptr<gpu::GraphicsSystem>(new D3D12GraphicsSystem());
+  }
+
+  uintptr_t GetColorRenderTarget(uint32_t pitch, MsaaSamples samples,
+                                 uint32_t base,
+                                 ColorRenderTargetFormat format) override {
+    // TODO(Triang3l): EDRAM viewer.
+    return 0;
+  }
+
+  uintptr_t GetDepthRenderTarget(uint32_t pitch, MsaaSamples samples,
+                                 uint32_t base,
+                                 DepthRenderTargetFormat format) override {
+    // TODO(Triang3l): EDRAM viewer.
+    return 0;
+  }
+
+  uintptr_t GetTextureEntry(const TextureInfo& texture_info,
+                            const SamplerInfo& sampler_info) override {
+    // TODO(Triang3l): Textures, but from a fetch constant rather than
+    // TextureInfo/SamplerInfo which are going away.
+    return 0;
+  }
+};
+
+int trace_viewer_main(const std::vector<std::wstring>& args) {
+  D3D12TraceViewer trace_viewer;
+  return trace_viewer.Main(args);
+}
+
+}  // namespace d3d12
+}  // namespace gpu
+}  // namespace xe
+
+DEFINE_ENTRY_POINT(L"xenia-gpu-d3d12-trace-viewer",
+                   xe::gpu::d3d12::trace_viewer_main, "some.trace",
+                   "target_trace_file");
diff --git a/src/xenia/gpu/d3d12/premake5.lua b/src/xenia/gpu/d3d12/premake5.lua
index 001be5b88..c0e87106f 100644
--- a/src/xenia/gpu/d3d12/premake5.lua
+++ b/src/xenia/gpu/d3d12/premake5.lua
@@ -18,6 +18,50 @@ project("xenia-gpu-d3d12")
     "shaders/bin/*.h",
   })
 
+group("src")
+project("xenia-gpu-d3d12-trace-viewer")
+  uuid("7b5b9fcb-7bf1-43ff-a774-d4c41c8706be")
+  kind("WindowedApp")
+  language("C++")
+  links({
+    "aes_128",
+    "capstone",
+    "dxbc",
+    "imgui",
+    "libavcodec",
+    "libavutil",
+    "mspack",
+    "snappy",
+    "xenia-apu",
+    "xenia-apu-nop",
+    "xenia-base",
+    "xenia-core",
+    "xenia-cpu",
+    "xenia-cpu-backend-x64",
+    "xenia-gpu",
+    "xenia-gpu-d3d12",
+    "xenia-hid",
+    "xenia-hid-nop",
+    "xenia-kernel",
+    "xenia-ui",
+    "xenia-ui-d3d12",
+    "xenia-vfs",
+    "xxhash",
+  })
+  files({
+    "d3d12_trace_viewer_main.cc",
+    "../../base/main_"..platform_suffix..".cc",
+  })
+  -- Only create the .user file if it doesn't already exist.
+  local user_file = project_root.."/build/xenia-gpu-d3d12-trace-viewer.vcxproj.user"
+  if not os.isfile(user_file) then
+    debugdir(project_root)
+    debugargs({
+      "2>&1",
+      "1>scratch/stdout-trace-viewer.txt",
+    })
+  end
+
 group("src")
 project("xenia-gpu-d3d12-trace-dump")
   uuid("686b859c-0046-44c4-a02c-41fc3fb75698")