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authorSubv <subv2112@gmail.com>2018-09-08 22:58:20 +0200
committerSubv <subv2112@gmail.com>2018-09-12 20:57:08 +0200
commitbb5eb4f20ac74e06317ed5b0c98282cde1f9e119 (patch)
treee1b89238165f33c65ff7909eabd846be5f58785c /src/video_core/engines
parentMerge pull request #1303 from lioncash/error (diff)
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Diffstat (limited to 'src/video_core/engines')
-rw-r--r--src/video_core/engines/kepler_memory.cpp45
-rw-r--r--src/video_core/engines/kepler_memory.h90
2 files changed, 135 insertions, 0 deletions
diff --git a/src/video_core/engines/kepler_memory.cpp b/src/video_core/engines/kepler_memory.cpp
new file mode 100644
index 000000000..66ae6332d
--- /dev/null
+++ b/src/video_core/engines/kepler_memory.cpp
@@ -0,0 +1,45 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/log.h"
+#include "core/memory.h"
+#include "video_core/engines/kepler_memory.h"
+
+namespace Tegra::Engines {
+
+KeplerMemory::KeplerMemory(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
+KeplerMemory::~KeplerMemory() = default;
+
+void KeplerMemory::WriteReg(u32 method, u32 value) {
+ ASSERT_MSG(method < Regs::NUM_REGS,
+ "Invalid KeplerMemory register, increase the size of the Regs structure");
+
+ regs.reg_array[method] = value;
+
+ switch (method) {
+ case KEPLERMEMORY_REG_INDEX(exec): {
+ state.write_offset = 0;
+ break;
+ }
+ case KEPLERMEMORY_REG_INDEX(data): {
+ ProcessData(value);
+ break;
+ }
+ }
+}
+
+void KeplerMemory::ProcessData(u32 data) {
+ ASSERT_MSG(regs.exec.linear, "Non-linear uploads are not supported");
+ ASSERT(regs.dest.x == 0 && regs.dest.y == 0 && regs.dest.z == 0);
+
+ GPUVAddr address = regs.dest.Address();
+ VAddr dest_address =
+ *memory_manager.GpuToCpuAddress(address + state.write_offset * sizeof(u32));
+
+ Memory::Write32(dest_address, data);
+
+ state.write_offset++;
+}
+
+} // namespace Tegra::Engines
diff --git a/src/video_core/engines/kepler_memory.h b/src/video_core/engines/kepler_memory.h
new file mode 100644
index 000000000..b0d0078cf
--- /dev/null
+++ b/src/video_core/engines/kepler_memory.h
@@ -0,0 +1,90 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include "common/assert.h"
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "video_core/memory_manager.h"
+
+namespace Tegra::Engines {
+
+#define KEPLERMEMORY_REG_INDEX(field_name) \
+ (offsetof(Tegra::Engines::KeplerMemory::Regs, field_name) / sizeof(u32))
+
+class KeplerMemory final {
+public:
+ KeplerMemory(MemoryManager& memory_manager);
+ ~KeplerMemory();
+
+ /// Write the value to the register identified by method.
+ void WriteReg(u32 method, u32 value);
+
+ struct Regs {
+ static constexpr size_t NUM_REGS = 0x7F;
+
+ union {
+ struct {
+ INSERT_PADDING_WORDS(0x60);
+
+ u32 line_length_in;
+ u32 line_count;
+
+ struct {
+ u32 address_high;
+ u32 address_low;
+ u32 pitch;
+ u32 block_dimensions;
+ 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);
+ }
+ } dest;
+
+ struct {
+ union {
+ BitField<0, 1, u32> linear;
+ };
+ } exec;
+
+ u32 data;
+
+ INSERT_PADDING_WORDS(0x11);
+ };
+ std::array<u32, NUM_REGS> reg_array;
+ };
+ } regs{};
+
+ struct {
+ u32 write_offset = 0;
+ } state{};
+
+private:
+ MemoryManager& memory_manager;
+
+ void ProcessData(u32 data);
+};
+
+#define ASSERT_REG_POSITION(field_name, position) \
+ static_assert(offsetof(KeplerMemory::Regs, field_name) == position * 4, \
+ "Field " #field_name " has invalid position")
+
+ASSERT_REG_POSITION(line_length_in, 0x60);
+ASSERT_REG_POSITION(line_count, 0x61);
+ASSERT_REG_POSITION(dest, 0x62);
+ASSERT_REG_POSITION(exec, 0x6C);
+ASSERT_REG_POSITION(data, 0x6D);
+#undef ASSERT_REG_POSITION
+
+} // namespace Tegra::Engines