From a91d3fc6397560fc6294a24faeed73d45abd1753 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Mon, 22 Apr 2019 18:50:56 -0400
Subject: Revamp Kepler Memory to use a subegine to manage uploads

---
 src/video_core/engines/engine_upload.h | 74 ++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 src/video_core/engines/engine_upload.h

(limited to 'src/video_core/engines/engine_upload.h')

diff --git a/src/video_core/engines/engine_upload.h b/src/video_core/engines/engine_upload.h
new file mode 100644
index 000000000..3a817140a
--- /dev/null
+++ b/src/video_core/engines/engine_upload.h
@@ -0,0 +1,74 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <vector>
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Tegra {
+class MemoryManager;
+}
+
+namespace Tegra::Engines::Upload {
+
+struct Data {
+    u32 line_length_in;
+    u32 line_count;
+
+    struct {
+        u32 address_high;
+        u32 address_low;
+        u32 pitch;
+        union {
+            BitField<0, 4, u32> block_width;
+            BitField<4, 4, u32> block_height;
+            BitField<8, 4, u32> block_depth;
+        };
+        u32 width;
+        u32 height;
+        u32 depth;
+        u32 z;
+        u32 x;
+        u32 y;
+
+        GPUVAddr Address() const {
+            return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) | address_low);
+        }
+
+        u32 BlockWidth() const {
+            return 1U << block_width.Value();
+        }
+
+        u32 BlockHeight() const {
+            return 1U << block_height.Value();
+        }
+
+        u32 BlockDepth() const {
+            return 1U << block_depth.Value();
+        }
+    } dest;
+};
+
+class State {
+public:
+    State(MemoryManager& memory_manager, Data& regs) : memory_manager(memory_manager), regs(regs) {}
+    ~State() = default;
+
+    void ProcessExec(const bool is_linear);
+    void ProcessData(const u32 data, const bool is_last_call);
+
+private:
+    u32 write_offset = 0;
+    u32 copy_size = 0;
+    std::vector<u8> inner_buffer;
+    bool linear;
+    Data& regs;
+    MemoryManager& memory_manager;
+};
+
+} // namespace Tegra::Engines::Upload
-- 
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