2014-04-15 21:03:41 -07:00
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// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include "common/log.h"
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2014-05-07 18:04:55 -07:00
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#include "common/bit_field.h"
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2014-04-15 21:03:41 -07:00
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2014-04-25 22:48:24 -07:00
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#include "core/mem_map.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/service/gsp.h"
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#include "core/hw/gpu.h"
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#include "video_core/gpu_debugger.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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2014-05-17 13:34:55 -07:00
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// Main graphics debugger object - TODO: Here is probably not the best place for this
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GraphicsDebugger g_debugger;
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/// GSP shared memory GX command buffer header
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union GX_CmdBufferHeader {
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u32 hex;
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// Current command index. This index is updated by GSP module after loading the command data,
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// right before the command is processed. When this index is updated by GSP module, the total
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// commands field is decreased by one as well.
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BitField<0,8,u32> index;
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// Total commands to process, must not be value 0 when GSP module handles commands. This must be
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// <=15 when writing a command to shared memory. This is incremented by the application when
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// writing a command to shared memory, after increasing this value TriggerCmdReqQueue is only
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// used if this field is value 1.
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BitField<8,8,u32> number_commands;
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};
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/// Gets the address of the start (header) of a command buffer in GSP shared memory
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static inline u32 GX_GetCmdBufferAddress(u32 thread_id) {
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return (0x10002000 + 0x800 + (thread_id * 0x200));
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}
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/// Gets a pointer to the start (header) of a command buffer in GSP shared memory
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static inline u8* GX_GetCmdBufferPointer(u32 thread_id, u32 offset=0) {
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return Memory::GetPointer(GX_GetCmdBufferAddress(thread_id) + offset);
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}
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/// Finishes execution of a GSP command
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void GX_FinishCommand(u32 thread_id) {
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GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(thread_id);
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g_debugger.GXCommandProcessed(GX_GetCmdBufferPointer(thread_id, 0x20 + (header->index * 0x20)));
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header->number_commands = header->number_commands - 1;
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// TODO: Increment header->index?
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace GSP_GPU
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namespace GSP_GPU {
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Handle g_event_handle = 0;
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u32 g_thread_id = 0;
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enum {
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REG_FRAMEBUFFER_1 = 0x00400468,
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REG_FRAMEBUFFER_2 = 0x00400494,
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};
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/// Read a GSP GPU hardware register
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void ReadHWRegs(Service::Interface* self) {
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static const u32 framebuffer_1[] = {GPU::PADDR_VRAM_TOP_LEFT_FRAME1, GPU::PADDR_VRAM_TOP_RIGHT_FRAME1};
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static const u32 framebuffer_2[] = {GPU::PADDR_VRAM_TOP_LEFT_FRAME2, GPU::PADDR_VRAM_TOP_RIGHT_FRAME2};
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u32* cmd_buff = Service::GetCommandBuffer();
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u32 reg_addr = cmd_buff[1];
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u32 size = cmd_buff[2];
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u32* dst = (u32*)Memory::GetPointer(cmd_buff[0x41]);
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switch (reg_addr) {
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// NOTE: Calling SetFramebufferLocation here is a hack... Not sure the correct way yet to set
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// whether the framebuffers should be in VRAM or GSP heap, but from what I understand, if the
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// user application is reading from either of these registers, then its going to be in VRAM.
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// Top framebuffer 1 addresses
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case REG_FRAMEBUFFER_1:
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GPU::SetFramebufferLocation(GPU::FRAMEBUFFER_LOCATION_VRAM);
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memcpy(dst, framebuffer_1, size);
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break;
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// Top framebuffer 2 addresses
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case REG_FRAMEBUFFER_2:
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GPU::SetFramebufferLocation(GPU::FRAMEBUFFER_LOCATION_VRAM);
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memcpy(dst, framebuffer_2, size);
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break;
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default:
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ERROR_LOG(GSP, "unknown register read at address %08X", reg_addr);
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}
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}
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void RegisterInterruptRelayQueue(Service::Interface* self) {
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u32* cmd_buff = Service::GetCommandBuffer();
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u32 flags = cmd_buff[1];
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u32 event_handle = cmd_buff[3];
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_assert_msg_(GSP, (event_handle != 0), "called, but event is nullptr!");
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g_event_handle = event_handle;
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Kernel::SetEventLocked(event_handle, false);
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// Hack - This function will permanently set the state of the GSP event such that GPU command
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// synchronization barriers always passthrough. Correct solution would be to set this after the
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// GPU as processed all queued up commands, but due to the emulator being single-threaded they
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// will always be ready.
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Kernel::SetPermanentLock(event_handle, true);
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cmd_buff[2] = g_thread_id; // ThreadID
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}
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/// This triggers handling of the GX command written to the command buffer in shared memory.
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void TriggerCmdReqQueue(Service::Interface* self) {
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GX_CmdBufferHeader* header = (GX_CmdBufferHeader*)GX_GetCmdBufferPointer(g_thread_id);
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u32* cmd_buff = (u32*)GX_GetCmdBufferPointer(g_thread_id, 0x20 + (header->index * 0x20));
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switch (static_cast<GXCommandId>(cmd_buff[0])) {
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// GX request DMA - typically used for copying memory from GSP heap to VRAM
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case GXCommandId::REQUEST_DMA:
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memcpy(Memory::GetPointer(cmd_buff[2]), Memory::GetPointer(cmd_buff[1]), cmd_buff[3]);
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break;
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case GXCommandId::SET_COMMAND_LIST_LAST:
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GPU::Write<u32>(GPU::Registers::CommandListAddress, cmd_buff[1] >> 3);
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GPU::Write<u32>(GPU::Registers::CommandListSize, cmd_buff[2] >> 3);
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GPU::Write<u32>(GPU::Registers::ProcessCommandList, 1); // TODO: Not sure if we are supposed to always write this
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// TODO: Move this to GPU
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// TODO: Not sure what units the size is measured in
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g_debugger.CommandListCalled(cmd_buff[1], (u32*)Memory::GetPointer(cmd_buff[1]), cmd_buff[2]);
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break;
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case GXCommandId::SET_MEMORY_FILL:
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break;
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case GXCommandId::SET_DISPLAY_TRANSFER:
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break;
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case GXCommandId::SET_TEXTURE_COPY:
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break;
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case GXCommandId::SET_COMMAND_LIST_FIRST:
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{
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//u32* buf0_data = (u32*)Memory::GetPointer(cmd_buff[1]);
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//u32* buf1_data = (u32*)Memory::GetPointer(cmd_buff[3]);
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//u32* buf2_data = (u32*)Memory::GetPointer(cmd_buff[5]);
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break;
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}
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default:
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ERROR_LOG(GSP, "unknown command 0x%08X", cmd_buff[0]);
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}
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GX_FinishCommand(g_thread_id);
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}
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const Interface::FunctionInfo FunctionTable[] = {
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{0x00010082, nullptr, "WriteHWRegs"},
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{0x00020084, nullptr, "WriteHWRegsWithMask"},
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{0x00030082, nullptr, "WriteHWRegRepeat"},
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{0x00040080, ReadHWRegs, "ReadHWRegs"},
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{0x00050200, nullptr, "SetBufferSwap"},
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{0x00060082, nullptr, "SetCommandList"},
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{0x000700C2, nullptr, "RequestDma"},
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{0x00080082, nullptr, "FlushDataCache"},
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{0x00090082, nullptr, "InvalidateDataCache"},
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{0x000A0044, nullptr, "RegisterInterruptEvents"},
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{0x000B0040, nullptr, "SetLcdForceBlack"},
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{0x000C0000, TriggerCmdReqQueue, "TriggerCmdReqQueue"},
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{0x000D0140, nullptr, "SetDisplayTransfer"},
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{0x000E0180, nullptr, "SetTextureCopy"},
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{0x000F0200, nullptr, "SetMemoryFill"},
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{0x00100040, nullptr, "SetAxiConfigQoSMode"},
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{0x00110040, nullptr, "SetPerfLogMode"},
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{0x00120000, nullptr, "GetPerfLog"},
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{0x00130042, RegisterInterruptRelayQueue, "RegisterInterruptRelayQueue"},
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{0x00140000, nullptr, "UnregisterInterruptRelayQueue"},
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{0x00150002, nullptr, "TryAcquireRight"},
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{0x00160042, nullptr, "AcquireRight"},
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{0x00170000, nullptr, "ReleaseRight"},
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{0x00180000, nullptr, "ImportDisplayCaptureInfo"},
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{0x00190000, nullptr, "SaveVramSysArea"},
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{0x001A0000, nullptr, "RestoreVramSysArea"},
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{0x001B0000, nullptr, "ResetGpuCore"},
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{0x001C0040, nullptr, "SetLedForceOff"},
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{0x001D0040, nullptr, "SetTestCommand"},
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{0x001E0080, nullptr, "SetInternalPriorities"},
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Interface class
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Interface::Interface() {
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Register(FunctionTable, ARRAY_SIZE(FunctionTable));
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}
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Interface::~Interface() {
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}
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} // namespace
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