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Merge branch 'hardware-interface'

Browse Source 
Conflicts:
	src/core/src/core.h
This commit is contained in:
bunnei 2014-04-07 00:57:37 -04:00
commit f446f79da2
34 changed files with 1786 additions and 168 deletions
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13
citra.sln
View File

@ -1,5 +1,5 @@
Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Express 2013 for Windows Desktop
# Visual Studio 2013
VisualStudioVersion = 12.0.21005.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "common", "src\common\common.vcxproj", "{DFE335FC-755D-4BAA-8452-94434F8A1EDB}"
@ -10,6 +10,7 @@ EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "citra", "src\citra\citra.vcxproj", "{CE7D2C07-21CE-4590-81AB-2ADA88A2B85F}"
ProjectSection(ProjectDependencies) = postProject
{69F00340-5C3D-449F-9A80-958435C6CF06} = {69F00340-5C3D-449F-9A80-958435C6CF06}
{6678D1A3-33A6-48A9-878B-48E5D2903D27} = {6678D1A3-33A6-48A9-878B-48E5D2903D27}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "core", "src\core\core.vcxproj", "{8AEA7F29-3466-4786-A10D-6A4BD0610977}"
@ -21,6 +22,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "scm_rev_gen", "src\common\s
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "citra_qt", "src\citra_qt\citra_qt.vcxproj", "{A587F714-490F-407A-9E36-7AB7FA0D7BAB}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "video_core", "src\video_core\video_core.vcxproj", "{6678D1A3-33A6-48A9-878B-48E5D2903D27}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32
@ -69,6 +72,14 @@ Global
{A587F714-490F-407A-9E36-7AB7FA0D7BAB}.Release|Win32.Build.0 = Release|Win32
{A587F714-490F-407A-9E36-7AB7FA0D7BAB}.Release|x64.ActiveCfg = Release|x64
{A587F714-490F-407A-9E36-7AB7FA0D7BAB}.Release|x64.Build.0 = Release|x64
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Debug|Win32.ActiveCfg = Debug|Win32
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Debug|Win32.Build.0 = Debug|Win32
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Debug|x64.ActiveCfg = Debug|x64
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Debug|x64.Build.0 = Debug|x64
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Release|Win32.ActiveCfg = Release|Win32
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Release|Win32.Build.0 = Release|Win32
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Release|x64.ActiveCfg = Release|x64
{6678D1A3-33A6-48A9-878B-48E5D2903D27}.Release|x64.Build.0 = Release|x64
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

3
src/citra/citra.vcxproj
View File

@ -194,6 +194,9 @@
<LinkLibraryDependencies>true</LinkLibraryDependencies>
<UseLibraryDependencyInputs>false</UseLibraryDependencyInputs>
</ProjectReference>
<ProjectReference Include="..\video_core\video_core.vcxproj">
<Project>{6678d1a3-33a6-48a9-878b-48e5d2903d27}</Project>
</ProjectReference>
</ItemGroup>
<ItemGroup>
<ClCompile Include="src\citra.cpp" />

36
src/citra/src/citra.cpp
View File

@ -52,39 +52,6 @@ int __cdecl main(int argc, char **argv) {
System::Init(emu_window);
//if (E_OK != Core::Init(emu_window)) {
// LOG_ERROR(TMASTER, "core initialization failed, exiting...");
// core::Kill();
// exit(1);
//}
//// Load a game or die...
//if (E_OK == dvd::LoadBootableFile(common::g_config->default_boot_file())) {
// if (common::g_config->enable_auto_boot()) {
// core::Start();
// } else {
// LOG_ERROR(TMASTER, "Autoboot required in no-GUI mode... Exiting!\n");
// }
//} else {
// LOG_ERROR(TMASTER, "Failed to load a bootable file... Exiting!\n");
// exit(E_ERR);
//}
//// run the game
//while(core::SYS_DIE != core::g_state) {
// if (core::SYS_RUNNING == core::g_state) {
// if(!(cpu->is_on)) {
// cpu->Start(); // Initialize and start CPU.
// } else {
// for(tight_loop = 0; tight_loop < 10000; ++tight_loop) {
// cpu->execStep();
// }
// }
// } else if (core::SYS_HALTED == core::g_state) {
// core::Stop();
// }
//}
//core::Kill();
std::string boot_filename = "homebrew.elf";
std::string error_str;
@ -93,7 +60,8 @@ int __cdecl main(int argc, char **argv) {
if (!res) {
ERROR_LOG(BOOT, "Failed to load ROM: %s", error_str.c_str());
}
for (int tight_loop = 0; tight_loop < 10000; ++tight_loop) {
for (;;) {
Core::SingleStep();
}

4
src/citra/src/emu_window/emu_window_glfw.cpp
View File

@ -23,6 +23,7 @@
*/
#include "common.h"
#include "video_core.h"
#include "emu_window_glfw.h"
static void OnKeyEvent(GLFWwindow* win, int key, int action) {
@ -54,7 +55,8 @@ EmuWindow_GLFW::EmuWindow_GLFW() {
}
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
render_window_ = glfwCreateWindow(640, 480, "citra", NULL, NULL);
render_window_ = glfwCreateWindow(VideoCore::kScreenTopWidth,
(VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight), "citra", NULL, NULL);
// Setup callbacks
glfwSetWindowUserPointer(render_window_, this);

5
src/citra/src/emu_window/emu_window_glfw.h
View File

@ -22,8 +22,7 @@
* http://code.google.com/p/gekko-gc-emu/
*/
#ifndef CITRA_EMUWINDOW_GLFW_
#define CITRA_EMUWINDOW_GLFW_
#pragma once
#include <GL/glew.h>
#include <GLFW/glfw3.h>
@ -52,5 +51,3 @@ public:
private:
};
#endif // CITRA_EMUWINDOW_GLFW_

5
src/common/src/common.h
View File

@ -163,4 +163,9 @@ enum EMUSTATE_CHANGE
EMUSTATE_CHANGE_STOP
};
// This should be used in the private: declarations for a class
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName&); \
void operator=(const TypeName&)
#endif // _COMMON_H_

133
src/common/src/common_types.h
View File

@ -1,50 +1,125 @@
// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
/**
* Copyright (C) 2005-2012 Gekko Emulator
*
* @file common_types.h
* @author ShizZy <shizzy247@gmail.com>
* @date 2012-02-11
* @brief Common types used throughout the project
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
// This header contains type definitions that are shared between the Dolphin core and
// other parts of the code. Any definitions that are only used by the core should be
// placed in "common.h" instead.
#ifndef _COMMONTYPES_H_
#define _COMMONTYPES_H_
#include <math.h>
#include <xmmintrin.h> // data_types__m128.cpp
#ifdef _WIN32
#include <tchar.h>
typedef unsigned __int8 u8;
typedef unsigned __int16 u16;
typedef unsigned __int32 u32;
typedef unsigned __int64 u64;
typedef unsigned __int8 u8; ///< 8-bit unsigned byte
typedef unsigned __int16 u16; ///< 16-bit unsigned short
typedef unsigned __int32 u32; ///< 32-bit unsigned word
typedef unsigned __int64 u64; ///< 64-bit unsigned int
typedef signed __int8 s8;
typedef signed __int16 s16;
typedef signed __int32 s32;
typedef signed __int64 s64;
typedef signed __int8 s8; ///< 8-bit signed byte
typedef signed __int16 s16; ///< 16-bit signed short
typedef signed __int32 s32; ///< 32-bit signed word
typedef signed __int64 s64; ///< 64-bit signed int
#else
#ifndef GEKKO
typedef unsigned char u8; ///< 8-bit unsigned byte
typedef unsigned short u16; ///< 16-bit unsigned short
typedef unsigned int u32; ///< 32-bit unsigned word
typedef unsigned long long u64; ///< 64-bit unsigned int
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef signed char s8; ///< 8-bit signed byte
typedef signed short s16; ///< 16-bit signed short
typedef signed int s32; ///< 32-bit signed word
typedef signed long long s64; ///< 64-bit signed int
typedef signed char s8;
typedef signed short s16;
typedef signed int s32;
typedef signed long long s64;
#endif
// For using windows lock code
#define TCHAR char
#define LONG int
#endif // _WIN32
typedef float f32; ///< 32-bit floating point
typedef double f64; ///< 64-bit floating point
#include "swap.h"
#endif // _COMMONTYPES_H_
/// Union for fast 16-bit type casting
union t16 {
u8 _u8[2]; ///< 8-bit unsigned char(s)
u16 _u16; ///< 16-bit unsigned shorts(s)
};
/// Union for fast 32-bit type casting
union t32 {
f32 _f32; ///< 32-bit floating point(s)
u32 _u32; ///< 32-bit unsigned int(s)
s32 _s32; ///< 32-bit signed int(s)
u16 _u16[2]; ///< 16-bit unsigned shorts(s)
u8 _u8[4]; ///< 8-bit unsigned char(s)
};
/// Union for fast 64-bit type casting
union t64 {
f64 _f64; ///< 64-bit floating point
u64 _u64; ///< 64-bit unsigned long
f32 _f32[2]; ///< 32-bit floating point(s)
u32 _u32[2]; ///< 32-bit unsigned int(s)
s32 _s32[2]; ///< 32-bit signed int(s)
u16 _u16[4]; ///< 16-bit unsigned shorts(s)
u8 _u8[8]; ///< 8-bit unsigned char(s)
};
/// Union for fast 128-bit type casting
union t128 {
struct
{
t64 ps0; ///< 64-bit paired single 0
t64 ps1; ///< 64-bit paired single 1
};
__m128 a; ///< 128-bit floating point (__m128 maps to the XMM[0-7] registers)
};
/// Rectangle data structure
class Rect {
public:
Rect(int x0=0, int y0=0, int x1=0, int y1=0) {
x0_ = x0;
y0_ = y0;
x1_ = x1;
y1_ = y1;
}
~Rect() { }
int x0_; ///< Rect top left X-coordinate
int y0_; ///< Rect top left Y-coordinate
int x1_; ///< Rect bottom left X-coordinate
int y1_; ///< Rect bottom right Y-coordinate
inline u32 width() const { return abs(x1_ - x0_); }
inline u32 height() const { return abs(y1_ - y0_); }
inline bool operator == (const Rect& val) const {
return (x0_ == val.x0_ && y0_ == val.y0_ && x1_ == val.x1_ && y1_ == val.y1_);
}
};

2
src/common/src/emu_window.h
View File

@ -81,7 +81,7 @@ public:
protected:
EmuWindow() : client_area_width_(640), client_area_height_(480) {
char window_title[255];
sprintf(window_title, "emu [%s|%s] - %s",
sprintf(window_title, "citra [%s|%s] - %s",
"null-cpu",
"null-renderer",
__DATE__);

6
src/common/src/log.h
View File

@ -57,9 +57,9 @@ enum LOG_TYPE {
WII_IPC_NET,
WII_IPC_WC24,
WII_IPC_SSL,
WII_IPC_SD,
WII_IPC_STM,
WII_IPC_WIIMOTE,
RENDER,
LCD,
HW,
TIME,
NETPLAY,

8
src/common/src/log_manager.cpp
View File

@ -56,7 +56,7 @@ LogManager::LogManager()
m_Log[LogTypes::DSP_MAIL] = new LogContainer("DSPMails", "DSP Mails");
m_Log[LogTypes::VIDEO] = new LogContainer("Video", "Video Backend");
m_Log[LogTypes::AUDIO] = new LogContainer("Audio", "Audio Emulator");
m_Log[LogTypes::DYNA_REC] = new LogContainer("JIT", "Dynamic Recompiler");
m_Log[LogTypes::DYNA_REC] = new LogContainer("JIT", "JIT");
m_Log[LogTypes::CONSOLE] = new LogContainer("CONSOLE", "Dolphin Console");
m_Log[LogTypes::OSREPORT] = new LogContainer("OSREPORT", "OSReport");
m_Log[LogTypes::TIME] = new LogContainer("Time", "Core Timing");
@ -67,12 +67,12 @@ LogManager::LogManager()
m_Log[LogTypes::WII_IPC_DVD] = new LogContainer("WII_IPC_DVD", "WII IPC DVD");
m_Log[LogTypes::WII_IPC_ES] = new LogContainer("WII_IPC_ES", "WII IPC ES");
m_Log[LogTypes::WII_IPC_FILEIO] = new LogContainer("WII_IPC_FILEIO", "WII IPC FILEIO");
m_Log[LogTypes::WII_IPC_SD] = new LogContainer("WII_IPC_SD", "WII IPC SD");
m_Log[LogTypes::WII_IPC_STM] = new LogContainer("WII_IPC_STM", "WII IPC STM");
m_Log[LogTypes::RENDER] = new LogContainer("RENDER", "RENDER");
m_Log[LogTypes::LCD] = new LogContainer("LCD", "LCD");
m_Log[LogTypes::WII_IPC_NET] = new LogContainer("WII_IPC_NET", "WII IPC NET");
m_Log[LogTypes::WII_IPC_WC24] = new LogContainer("WII_IPC_WC24", "WII IPC WC24");
m_Log[LogTypes::WII_IPC_SSL] = new LogContainer("WII_IPC_SSL", "WII IPC SSL");
m_Log[LogTypes::WII_IPC_WIIMOTE] = new LogContainer("WII_IPC_WIIMOTE","WII IPC WIIMOTE");
m_Log[LogTypes::HW] = new LogContainer("HARDWARE", "HARDWARE");
m_Log[LogTypes::ACTIONREPLAY] = new LogContainer("ActionReplay", "ActionReplay");
m_Log[LogTypes::MEMCARD_MANAGER] = new LogContainer("MemCard Manager", "MemCard Manager");
m_Log[LogTypes::NETPLAY] = new LogContainer("NETPLAY", "Netplay");

4
src/core/core.vcxproj
View File

@ -152,6 +152,8 @@
<ClCompile Include="src\elf\elf_reader.cpp" />
<ClCompile Include="src\file_sys\directory_file_system.cpp" />
<ClCompile Include="src\file_sys\meta_file_system.cpp" />
<ClCompile Include="src\hw\hw.cpp" />
<ClCompile Include="src\hw\hw_lcd.cpp" />
<ClCompile Include="src\loader.cpp" />
<ClCompile Include="src\mem_map.cpp" />
<ClCompile Include="src\mem_map_funcs.cpp" />
@ -180,6 +182,8 @@
<ClInclude Include="src\file_sys\directory_file_system.h" />
<ClInclude Include="src\file_sys\file_sys.h" />
<ClInclude Include="src\file_sys\meta_file_system.h" />
<ClInclude Include="src\hw\hw.h" />
<ClInclude Include="src\hw\hw_lcd.h" />
<ClInclude Include="src\loader.h" />
<ClInclude Include="src\mem_map.h" />
<ClInclude Include="src\system.h" />

15
src/core/core.vcxproj.filters
View File

@ -46,6 +46,12 @@
<ClCompile Include="src\arm\interpreter\arm_interpreter.cpp">
<Filter>arm\interpreter</Filter>
</ClCompile>
<ClCompile Include="src\hw\hw.cpp">
<Filter>hw</Filter>
</ClCompile>
<ClCompile Include="src\hw\hw_lcd.cpp">
<Filter>hw</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<Filter Include="arm">
@ -69,6 +75,9 @@
<Filter Include="arm\interpreter">
<UniqueIdentifier>{cca8b763-8a80-4478-9bcc-3c979293c357}</UniqueIdentifier>
</Filter>
<Filter Include="hw">
<UniqueIdentifier>{d1158fc4-3e0f-431f-9d3b-f30bbfeb4ad5}</UniqueIdentifier>
</Filter>
</ItemGroup>
<ItemGroup>
<ClInclude Include="src\arm\disassembler\arm_disasm.h">
@ -136,6 +145,12 @@
<ClInclude Include="src\arm\interpreter\arm_interpreter.h">
<Filter>arm\interpreter</Filter>
</ClInclude>
<ClInclude Include="src\hw\hw.h">
<Filter>hw</Filter>
</ClInclude>
<ClInclude Include="src\hw\hw_lcd.h">
<Filter>hw</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="CMakeLists.txt" />

45
src/core/src/arm/arm_interface.h
View File

@ -24,24 +24,65 @@
#pragma once
#include "common.h"
#include "common_types.h"
/// Generic ARM11 CPU interface
class ARM_Interface {
public:
ARM_Interface() {
num_instructions_ = 0;
}
~ARM_Interface() {
}
virtual void ExecuteInstruction() = 0;
/// Step CPU by one instruction
void Step() {
ExecuteInstruction();
num_instructions_++;
}
virtual void SetPC(u32 pc) = 0;
/**
* Set the Program Counter to an address
* @param addr Address to set PC to
*/
virtual void SetPC(u32 addr) = 0;
/*
* Get the current Program Counter
* @return Returns current PC
*/
virtual u32 PC() = 0;
/**
* Get an ARM register
* @param index Register index (0-15)
* @return Returns the value in the register
*/
virtual u32 Reg(int index) = 0;
/**
* Get the current CPSR register
* @return Returns the value of the CPSR register
*/
virtual u32 CPSR() = 0;
/**
* Returns the number of clock ticks since the last rese
* @return Returns number of clock ticks
*/
virtual u64 GetTicks() = 0;
/// Getter for num_instructions_
u64 num_instructions() { return num_instructions_; }
private:
/// Execture next instruction
virtual void ExecuteInstruction() = 0;
u64 num_instructions_; ///< Number of instructions executed
DISALLOW_COPY_AND_ASSIGN(ARM_Interface);
};

7
src/core/src/arm/interpreter/arm_interpreter.h
View File

@ -24,6 +24,7 @@
#pragma once
#include "common.h"
#include "common_types.h"
#include "arm/arm_interface.h"
@ -45,6 +46,12 @@ public:
u32 CPSR();
u64 GetTicks() {
return ARMul_Time(state);
}
private:
ARMul_State* state;
DISALLOW_COPY_AND_ASSIGN(ARM_Interpreter);
};

6
src/core/src/core.cpp
View File

@ -25,6 +25,7 @@
#include "log.h"
#include "core.h"
#include "mem_map.h"
#include "hw/hw.h"
#include "arm/disassembler/arm_disasm.h"
#include "arm/interpreter/arm_interpreter.h"
@ -41,7 +42,8 @@ void RunLoop() {
/// Step the CPU one instruction
void SingleStep() {
g_app_core->ExecuteInstruction();
g_app_core->Step();
HW::Update();
}
/// Halt the core
@ -69,6 +71,8 @@ void Shutdown() {
delete g_disasm;
delete g_app_core;
delete g_sys_core;
NOTICE_LOG(MASTER_LOG, "Core shutdown OK");
}
} // namespace

3
src/core/src/core.h
View File

@ -55,6 +55,9 @@ void Stop();
/// Initialize the core
int Init();
/// Shutdown the core
void Shutdown();
} // namespace
////////////////////////////////////////////////////////////////////////////////////////////////////

69
src/core/src/hw/hw.cpp Normal file
View File

@ -0,0 +1,69 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw.cpp
* @author bunnei
* @date 2014-04-04
* @brief Hardware interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "log.h"
#include "hw/hw.h"
#include "hw/hw_lcd.h"
namespace HW {
template <typename T>
inline void Read(T &var, const u32 addr) {
NOTICE_LOG(HW, "Hardware read from address %08X", addr);
}
template <typename T>
inline void Write(u32 addr, const T data) {
NOTICE_LOG(HW, "Hardware write to address %08X", addr);
}
// Explicitly instantiate template functions because we aren't defining this in the header:
template void Read<u64>(u64 &var, const u32 addr);
template void Read<u32>(u32 &var, const u32 addr);
template void Read<u16>(u16 &var, const u32 addr);
template void Read<u8>(u8 &var, const u32 addr);
template void Write<const u64>(u32 addr, const u64 data);
template void Write<const u32>(u32 addr, const u32 data);
template void Write<const u16>(u32 addr, const u16 data);
template void Write<const u8>(u32 addr, const u8 data);
/// Update hardware
void Update() {
LCD::Update();
}
/// Initialize hardware
void Init() {
LCD::Init();
NOTICE_LOG(HW, "Hardware initialized OK");
}
/// Shutdown hardware
void Shutdown() {
NOTICE_LOG(HW, "Hardware shutdown OK");
}
}

44
src/core/src/hw/hw.h Normal file
View File

@ -0,0 +1,44 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw.h
* @author bunnei
* @date 2014-04-04
* @brief Hardware interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "common_types.h"
namespace HW {
template <typename T>
inline void Read(T &var, const u32 addr);
template <typename T>
inline void Write(u32 addr, const T data);
/// Update hardware
void Update();
/// Initialize hardware
void Init();
/// Shutdown hardware
void Shutdown();
} // namespace

65
src/core/src/hw/hw_lcd.cpp Normal file
View File

@ -0,0 +1,65 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw_lcd.cpp
* @author bunnei
* @date 2014-04-05
* @brief Hardware LCD interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "log.h"
#include "core.h"
#include "hw_lcd.h"
#include "video_core.h"
namespace LCD {
static const u32 kFrameTicks = 268123480 / 60; ///< 268MHz / 60 frames per second
u64 g_last_ticks = 0; ///< Last CPU ticks
template <typename T>
inline void Read(T &var, const u32 addr) {
}
template <typename T>
inline void Write(u32 addr, const T data) {
}
/// Update hardware
void Update() {
u64 current_ticks = Core::g_app_core->GetTicks();
if ((current_ticks - g_last_ticks) >= kFrameTicks) {
g_last_ticks = current_ticks;
VideoCore::g_renderer->SwapBuffers();
}
}
/// Initialize hardware
void Init() {
g_last_ticks = Core::g_app_core->GetTicks();
NOTICE_LOG(LCD, "LCD initialized OK");
}
/// Shutdown hardware
void Shutdown() {
NOTICE_LOG(LCD, "LCD shutdown OK");
}
} // namespace

64
src/core/src/hw/hw_lcd.h Normal file
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@ -0,0 +1,64 @@
/**
* Copyright (C) 2013 Citrus Emulator
*
* @file hw_lcd.h
* @author bunnei
* @date 2014-04-05
* @brief Hardware LCD interface
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include "common_types.h"
namespace LCD {
enum {
TOP_ASPECT_X = 0x5,
TOP_ASPECT_Y = 0x3,
TOP_HEIGHT = 240,
TOP_WIDTH = 400,
BOTTOM_WIDTH = 320,
FRAMEBUFFER_SEL = 0x20184E59,
TOP_LEFT_FRAME1 = 0x20184E60,
TOP_LEFT_FRAME2 = 0x201CB370,
TOP_RIGHT_FRAME1 = 0x20282160,
TOP_RIGHT_FRAME2 = 0x202C8670,
SUB_FRAME1 = 0x202118E0,
SUB_FRAME2 = 0x20249CF0,
};
template <typename T>
inline void Read(T &var, const u32 addr);
template <typename T>
inline void Write(u32 addr, const T data);
/// Update hardware
void Update();
/// Initialize hardware
void Init();
/// Shutdown hardware
void Shutdown();
} // namespace

54
src/core/src/mem_map_funcs.cpp
View File

@ -25,17 +25,23 @@
#include "common.h"
#include "mem_map.h"
#include "hw/hw.h"
namespace Memory {
template <typename T>
inline void ReadFromHardware(T &var, const u32 addr) {
inline void _Read(T &var, const u32 addr) {
// TODO: Figure out the fastest order of tests for both read and write (they are probably different).
// TODO: Make sure this represents the mirrors in a correct way.
// Could just do a base-relative read, too.... TODO
if ((addr & 0x3E000000) == 0x08000000) {
// Hardware I/O register reads
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
if ((addr & 0xFF000000) == 0x10000000 || (addr & 0xFF000000) == 0x1E000000) {
HW::Read<T>(var, addr);
// FCRAM virtual address reads
} else if ((addr & 0x3E000000) == 0x08000000) {
var = *((const T*)&g_fcram[addr & MEM_FCRAM_MASK]);
// Scratchpad memory
@ -54,15 +60,20 @@ inline void ReadFromHardware(T &var, const u32 addr) {
var = *((const T*)&g_fcram[addr & MEM_FCRAM_MASK]);
} else {
_assert_msg_(MEMMAP, false, "unknown hardware read");
// WARN_LOG(MEMMAP, "ReadFromHardware: Invalid addr %08x PC %08x LR %08x", addr, currentMIPS->pc, currentMIPS->r[MIPS_REG_RA]);
_assert_msg_(MEMMAP, false, "unknown memory read");
}
}
template <typename T>
inline void WriteToHardware(u32 addr, const T data) {
inline void _Write(u32 addr, const T data) {
// Hardware I/O register writes
// 0x10XXXXXX- is physical address space, 0x1EXXXXXX is virtual address space
if ((addr & 0xFF000000) == 0x10000000 || (addr & 0xFF000000) == 0x1E000000) {
HW::Write<const T>(addr, data);
// ExeFS:/.code is loaded here:
if ((addr & 0xFFF00000) == 0x00100000) {
} else if ((addr & 0xFFF00000) == 0x00100000) {
// TODO(ShizZy): This is dumb... handle correctly. From 3DBrew:
// http://3dbrew.org/wiki/Memory_layout#ARM11_User-land_memory_regions
// The ExeFS:/.code is loaded here, executables must be loaded to the 0x00100000 region when
@ -104,7 +115,7 @@ inline void WriteToHardware(u32 addr, const T data) {
// Error out...
} else {
_assert_msg_(MEMMAP, false, "unknown hardware write");
_assert_msg_(MEMMAP, false, "unknown memory write");
}
}
@ -126,14 +137,21 @@ u8 *GetPointer(const u32 addr) {
// TODO(bunnei): Just a stub for now... ImplementMe!
if ((addr & 0x3E000000) == 0x08000000) {
return g_fcram + (addr & MEM_FCRAM_MASK);
}
// HACK(bunnei): There is no layer yet to translate virtual addresses to physical addresses.
// Until we progress far enough along, we'll accept all physical address reads here. I think
// that this is typically a corner-case from usermode software unless they are trying to do
// bare-metal things (e.g. early 3DS homebrew writes directly to the FB @ 0x20184E60, etc.
} else if (((addr & 0xF0000000) == MEM_FCRAM_PADDR) && (addr < (MEM_FCRAM_PADDR_END))) {
return g_fcram + (addr & MEM_FCRAM_MASK);
//else if ((addr & 0x3F800000) == 0x04000000) {
// return g_vram + (addr & MEM_VRAM_MASK);
//}
//else if ((addr & 0x3F000000) >= 0x08000000 && (addr & 0x3F000000) < 0x08000000 + g_MemorySize) {
// return m_pRAM + (addr & g_MemoryMask);
//}
else {
} else {
//ERROR_LOG(MEMMAP, "Unknown GetPointer %08x PC %08x LR %08x", addr, currentMIPS->pc, currentMIPS->r[MIPS_REG_RA]);
ERROR_LOG(MEMMAP, "Unknown GetPointer %08x", addr);
static bool reported = false;
@ -151,25 +169,25 @@ u8 *GetPointer(const u32 addr) {
u8 Read8(const u32 addr) {
u8 _var = 0;
ReadFromHardware<u8>(_var, addr);
_Read<u8>(_var, addr);
return (u8)_var;
}
u16 Read16(const u32 addr) {
u16_le _var = 0;
ReadFromHardware<u16_le>(_var, addr);
_Read<u16_le>(_var, addr);
return (u16)_var;
}
u32 Read32(const u32 addr) {
u32_le _var = 0;
ReadFromHardware<u32_le>(_var, addr);
_Read<u32_le>(_var, addr);
return _var;
}
u64 Read64(const u32 addr) {
u64_le _var = 0;
ReadFromHardware<u64_le>(_var, addr);
_Read<u64_le>(_var, addr);
return _var;
}
@ -182,19 +200,19 @@ u32 Read16_ZX(const u32 addr) {
}
void Write8(const u32 addr, const u8 data) {
WriteToHardware<u8>(addr, data);
_Write<u8>(addr, data);
}
void Write16(const u32 addr, const u16 data) {
WriteToHardware<u16_le>(addr, data);
_Write<u16_le>(addr, data);
}
void Write32(const u32 addr, const u32 data) {
WriteToHardware<u32_le>(addr, data);
_Write<u32_le>(addr, data);
}
void Write64(const u32 addr, const u64 data) {
WriteToHardware<u64_le>(addr, data);
_Write<u64_le>(addr, data);
}
} // namespace

9
src/core/src/system.cpp
View File

@ -23,9 +23,11 @@
*/
#include "core.h"
#include "hw/hw.h"
#include "core_timing.h"
#include "mem_map.h"
#include "system.h"
#include "video_core.h"
namespace System {
@ -38,7 +40,9 @@ void UpdateState(State state) {
void Init(EmuWindow* emu_window) {
Core::Init();
Memory::Init();
HW::Init();
CoreTiming::Init();
VideoCore::Init(emu_window);
}
void RunLoopFor(int cycles) {
@ -49,9 +53,10 @@ void RunLoopUntil(u64 global_cycles) {
}
void Shutdown() {
Core::Shutdown();
HW::Shutdown();
VideoCore::Shutdown();
g_ctr_file_system.Shutdown();
}
} // namespace

19
src/video_core/CMakeLists.txt Normal file
View File

@ -0,0 +1,19 @@
set(SRCS
src/bp_mem.cpp
src/cp_mem.cpp
src/xf_mem.cpp
src/fifo.cpp
src/fifo_player.cpp
src/vertex_loader.cpp
src/vertex_manager.cpp
src/video_core.cpp
src/shader_manager.cpp
src/texture_decoder.cpp
src/texture_manager.cpp
src/utils.cpp
src/renderer_gl3/renderer_gl3.cpp
src/renderer_gl3/shader_interface.cpp
src/renderer_gl3/texture_interface.cpp
src/renderer_gl3/uniform_manager.cpp)
add_library(video_core STATIC ${SRCS})

132
src/video_core/src/renderer_base.h Normal file
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@ -0,0 +1,132 @@
/**
* Copyright (C) 2014 Citra Emulator
*
* @file renderer_base.h
* @author bunnei
* @date 2014-04-05
* @brief Renderer base class for new video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include "common.h"
#include "hash.h"
class RendererBase {
public:
/// Used to reference a framebuffer
enum kFramebuffer {
kFramebuffer_VirtualXFB = 0,
kFramebuffer_EFB,
kFramebuffer_Texture
};
/// Used for referencing the render modes
enum kRenderMode {
kRenderMode_None = 0,
kRenderMode_Multipass = 1,
kRenderMode_ZComp = 2,
kRenderMode_UseDstAlpha = 4
};
RendererBase() : current_fps_(0), current_frame_(0) {
}
~RendererBase() {
}
/// Swap buffers (render frame)
virtual void SwapBuffers() = 0;
/**
* Blits the EFB to the external framebuffer (XFB)
* @param src_rect Source rectangle in EFB to copy
* @param dst_rect Destination rectangle in EFB to copy to
* @param dest_height Destination height in pixels
*/
virtual void CopyToXFB(const Rect& src_rect, const Rect& dst_rect) = 0;
/**
* Clear the screen
* @param rect Screen rectangle to clear
* @param enable_color Enable color clearing
* @param enable_alpha Enable alpha clearing
* @param enable_z Enable depth clearing
* @param color Clear color
* @param z Clear depth
*/
virtual void Clear(const Rect& rect, bool enable_color, bool enable_alpha, bool enable_z,
u32 color, u32 z) = 0;
/// Sets the renderer viewport location, width, and height
virtual void SetViewport(int x, int y, int width, int height) = 0;
/// Sets the renderer depthrange, znear and zfar
virtual void SetDepthRange(double znear, double zfar) = 0;
/* Sets the scissor box
* @param rect Renderer rectangle to set scissor box to
*/
virtual void SetScissorBox(const Rect& rect) = 0;
/**
* Sets the line and point size
* @param line_width Line width to use
* @param point_size Point size to use
*/
virtual void SetLinePointSize(f32 line_width, f32 point_size) = 0;
/**
* Set a specific render mode
* @param flag Render flags mode to enable
*/
virtual void SetMode(kRenderMode flags) = 0;
/// Reset the full renderer API to the NULL state
virtual void ResetRenderState() = 0;
/// Restore the full renderer API state - As the game set it
virtual void RestoreRenderState() = 0;
/**
* Set the emulator window to use for renderer
* @param window EmuWindow handle to emulator window to use for rendering
*/
virtual void SetWindow(EmuWindow* window) = 0;
/// Initialize the renderer
virtual void Init() = 0;
/// Shutdown the renderer
virtual void ShutDown() = 0;
// Getter/setter functions:
// ------------------------
f32 current_fps() const { return current_fps_; }
int current_frame() const { return current_frame_; }
protected:
f32 current_fps_; ///< Current framerate, should be set by the renderer
int current_frame_; ///< Current frame, should be set by the renderer
private:
DISALLOW_COPY_AND_ASSIGN(RendererBase);
};

461
src/video_core/src/renderer_opengl/renderer_opengl.cpp Normal file
View File

@ -0,0 +1,461 @@
/**
* Copyright (C) 2014 Citra Emulator
*
* @file renderer_opengl.cpp
* @author bunnei
* @date 2014-04-05
* @brief Renderer for OpenGL 3.x
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "mem_map.h"
#include "video_core.h"
#include "renderer_opengl/renderer_opengl.h"
/**
* Helper function to flip framebuffer from left-to-right to top-to-bottom
* @param addr Address of framebuffer in RAM
* @param out Pointer to output buffer with flipped framebuffer
* @todo Early on hack... I'd like to find a more efficient way of doing this /bunnei
*/
inline void _flip_framebuffer(u32 addr, u8* out) {
u8* in = Memory::GetPointer(addr);
for (int y = 0; y < VideoCore::kScreenTopHeight; y++) {
for (int x = 0; x < VideoCore::kScreenTopWidth; x++) {
int in_coord = (VideoCore::kScreenTopHeight * 3 * x) + (VideoCore::kScreenTopHeight * 3)
- (3 * y + 3);
int out_coord = (VideoCore::kScreenTopWidth * y * 3) + (x * 3);
out[out_coord + 0] = in[in_coord + 0];
out[out_coord + 1] = in[in_coord + 1];
out[out_coord + 2] = in[in_coord + 2];
}
}
}
/// RendererOpenGL constructor
RendererOpenGL::RendererOpenGL() {
memset(fbo_, 0, sizeof(fbo_));
memset(fbo_rbo_, 0, sizeof(fbo_rbo_));
memset(fbo_depth_buffers_, 0, sizeof(fbo_depth_buffers_));
resolution_width_ = max(VideoCore::kScreenTopWidth, VideoCore::kScreenBottomWidth);
resolution_height_ = VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight;
xfb_texture_top_ = 0;
xfb_texture_bottom_ = 0;
xfb_top_ = 0;
xfb_bottom_ = 0;
}
/// RendererOpenGL destructor
RendererOpenGL::~RendererOpenGL() {
}
/// Swap buffers (render frame)
void RendererOpenGL::SwapBuffers() {
ResetRenderState();
// EFB->XFB copy
// TODO(bunnei): This is a hack and does not belong here. The copy should be triggered by some
// register write We're also treating both framebuffers as a single one in OpenGL.
Rect framebuffer_size(0, 0, resolution_width_, resolution_height_);
RenderXFB(framebuffer_size, framebuffer_size);
// XFB->Window copy
RenderFramebuffer();
// Swap buffers
render_window_->PollEvents();
render_window_->SwapBuffers();
// Switch back to EFB and clear
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[kFramebuffer_EFB]);
RestoreRenderState();
}
/**
* Renders external framebuffer (XFB)
* @param src_rect Source rectangle in XFB to copy
* @param dst_rect Destination rectangle in output framebuffer to copy to
*/
void RendererOpenGL::RenderXFB(const Rect& src_rect, const Rect& dst_rect) {
static u8 xfb_top_flipped[VideoCore::kScreenTopWidth * VideoCore::kScreenTopWidth *3];
static u8 xfb_bottom_flipped[VideoCore::kScreenTopWidth * VideoCore::kScreenTopWidth *3];
_flip_framebuffer(0x20282160, xfb_top_flipped);
_flip_framebuffer(0x202118E0, xfb_bottom_flipped);
ResetRenderState();
// Blit the top framebuffer
// ------------------------
// Update textures with contents of XFB in RAM - top
glBindTexture(GL_TEXTURE_2D, xfb_texture_top_);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight,
GL_RGB, GL_UNSIGNED_BYTE, xfb_top_flipped);
glBindTexture(GL_TEXTURE_2D, 0);
// Render target is destination framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[kFramebuffer_VirtualXFB]);
glViewport(0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight);
// Render source is our EFB
glBindFramebuffer(GL_READ_FRAMEBUFFER, xfb_top_);
glReadBuffer(GL_COLOR_ATTACHMENT0);
// Blit
glBlitFramebuffer(src_rect.x0_, src_rect.y0_, src_rect.x1_, src_rect.y1_,
dst_rect.x0_, dst_rect.y1_, dst_rect.x1_, dst_rect.y0_,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
// Blit the bottom framebuffer
// ---------------------------
// Update textures with contents of XFB in RAM - bottom
glBindTexture(GL_TEXTURE_2D, xfb_texture_bottom_);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight,
GL_RGB, GL_UNSIGNED_BYTE, xfb_bottom_flipped);
glBindTexture(GL_TEXTURE_2D, 0);
// Render target is destination framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[kFramebuffer_VirtualXFB]);
glViewport(0, 0,
VideoCore::kScreenBottomWidth, VideoCore::kScreenBottomHeight);
// Render source is our EFB
glBindFramebuffer(GL_READ_FRAMEBUFFER, xfb_bottom_);
glReadBuffer(GL_COLOR_ATTACHMENT0);
// Blit
int offset = (VideoCore::kScreenTopWidth - VideoCore::kScreenBottomWidth) / 2;
glBlitFramebuffer(0,0, VideoCore::kScreenBottomWidth, VideoCore::kScreenBottomHeight,
offset, VideoCore::kScreenBottomHeight, VideoCore::kScreenBottomWidth + offset, 0,
GL_COLOR_BUFFER_BIT, GL_LINEAR);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
RestoreRenderState();
}
/**
* Blits the EFB to the external framebuffer (XFB)
* @param src_rect Source rectangle in EFB to copy
* @param dst_rect Destination rectangle in EFB to copy to
*/
void RendererOpenGL::CopyToXFB(const Rect& src_rect, const Rect& dst_rect) {
ERROR_LOG(RENDER, "CopyToXFB not implemented! No EFB support yet!");
//ResetRenderState();
//// Render target is destination framebuffer
//glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[kFramebuffer_VirtualXFB]);
//glViewport(0, 0, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight);
//// Render source is our EFB
//glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo_[kFramebuffer_EFB]);
//glReadBuffer(GL_COLOR_ATTACHMENT0);
//// Blit
//glBlitFramebuffer(src_rect.x0_, src_rect.y0_, src_rect.x1_, src_rect.y1_,
// dst_rect.x0_, dst_rect.y1_, dst_rect.x1_, dst_rect.y0_,
// GL_COLOR_BUFFER_BIT, GL_LINEAR);
//glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
//RestoreRenderState();
}
/**
* Clear the screen
* @param rect Screen rectangle to clear
* @param enable_color Enable color clearing
* @param enable_alpha Enable alpha clearing
* @param enable_z Enable depth clearing
* @param color Clear color
* @param z Clear depth
*/
void RendererOpenGL::Clear(const Rect& rect, bool enable_color, bool enable_alpha, bool enable_z,
u32 color, u32 z) {
GLboolean const color_mask = enable_color ? GL_TRUE : GL_FALSE;
GLboolean const alpha_mask = enable_alpha ? GL_TRUE : GL_FALSE;
ResetRenderState();
// Clear color
glColorMask(color_mask, color_mask, color_mask, alpha_mask);
glClearColor(float((color >> 16) & 0xFF) / 255.0f, float((color >> 8) & 0xFF) / 255.0f,
float((color >> 0) & 0xFF) / 255.0f, float((color >> 24) & 0xFF) / 255.0f);
// Clear depth
glDepthMask(enable_z ? GL_TRUE : GL_FALSE);
glClearDepth(float(z & 0xFFFFFF) / float(0xFFFFFF));
// Specify the rectangle of the EFB to clear
glEnable(GL_SCISSOR_TEST);
glScissor(rect.x0_, rect.y1_, rect.width(), rect.height());
// Clear it!
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
RestoreRenderState();
}
/// Sets the renderer viewport location, width, and height
void RendererOpenGL::SetViewport(int x, int y, int width, int height) {
glViewport(x, y, width, height);
}
/// Sets the renderer depthrange, znear and zfar
void RendererOpenGL::SetDepthRange(double znear, double zfar) {
glDepthRange(znear, zfar);
}
/* Sets the scissor box
* @param rect Renderer rectangle to set scissor box to
*/
void RendererOpenGL::SetScissorBox(const Rect& rect) {
glScissor(rect.x0_, rect.y1_, rect.width(), rect.height());
}
/**
* Sets the line and point size
* @param line_width Line width to use
* @param point_size Point size to use
*/
void RendererOpenGL::SetLinePointSize(f32 line_width, f32 point_size) {
glLineWidth((GLfloat)line_width);
glPointSize((GLfloat)point_size);
}
/**
* Set a specific render mode
* @param flag Render flags mode to enable
*/
void RendererOpenGL::SetMode(kRenderMode flags) {
if(flags & kRenderMode_ZComp) {
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
}
if(flags & kRenderMode_Multipass) {
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glDepthFunc(GL_EQUAL);
}
if (flags & kRenderMode_UseDstAlpha) {
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
glDisable(GL_BLEND);
}
last_mode_ |= flags;
}
/// Reset the full renderer API to the NULL state
void RendererOpenGL::ResetRenderState() {
glDisable(GL_SCISSOR_TEST);
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
glDisable(GL_BLEND);
glDepthMask(GL_FALSE);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
/// Restore the full renderer API state - As the game set it
void RendererOpenGL::RestoreRenderState() {
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[kFramebuffer_EFB]);
//gp::XF_UpdateViewport();
SetViewport(0, 0, resolution_width_, resolution_height_);
SetDepthRange(0.0f, 1.0f);
//SetGenerationMode();
glEnable(GL_CULL_FACE);
glFrontFace(GL_CCW);
//glEnable(GL_SCISSOR_TEST);
//gp::BP_SetScissorBox();
glDisable(GL_SCISSOR_TEST);
//SetColorMask(gp::g_bp_regs.cmode0);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
//SetDepthMode();
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
//SetBlendMode(gp::g_bp_regs.cmode0, gp::g_bp_regs.cmode1, true);
//if (common::g_config->current_renderer_config().enable_wireframe) {
// glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
//} else {
// glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
//}
}
/// Initialize the FBO
void RendererOpenGL::InitFramebuffer() {
// TODO(en): This should probably be implemented with the top screen and bottom screen as
// separate framebuffers
// Init the FBOs
// -------------
glGenFramebuffers(kMaxFramebuffers, fbo_); // Generate primary framebuffer
glGenRenderbuffers(kMaxFramebuffers, fbo_rbo_); // Generate primary RBOs
glGenRenderbuffers(kMaxFramebuffers, fbo_depth_buffers_); // Generate primary depth buffer
for (int i = 0; i < kMaxFramebuffers; i++) {
// Generate color buffer storage
glBindRenderbuffer(GL_RENDERBUFFER, fbo_rbo_[i]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, VideoCore::kScreenTopWidth,
VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight);
// Generate depth buffer storage
glBindRenderbuffer(GL_RENDERBUFFER, fbo_depth_buffers_[i]);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT32, VideoCore::kScreenTopWidth,
VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight);
// Attach the buffers
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[i]);
glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
GL_RENDERBUFFER, fbo_depth_buffers_[i]);
glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER, fbo_rbo_[i]);
// Check for completeness
if (GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)) {
NOTICE_LOG(RENDER, "framebuffer(%d) initialized ok", i);
} else {
ERROR_LOG(RENDER, "couldn't create OpenGL frame buffer");
exit(1);
}
}
glBindFramebuffer(GL_FRAMEBUFFER, 0); // Unbind our frame buffer(s)
// Initialize framebuffer textures
// -------------------------------
// Create XFB textures
glGenTextures(1, &xfb_texture_top_);
glGenTextures(1, &xfb_texture_bottom_);
// Alocate video memorry for XFB textures
glBindTexture(GL_TEXTURE_2D, xfb_texture_top_);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight,
0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
glBindTexture(GL_TEXTURE_2D, xfb_texture_bottom_);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight,
0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
// Create the FBO and attach color/depth textures
glGenFramebuffers(1, &xfb_top_); // Generate framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, xfb_top_);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
xfb_texture_top_, 0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glGenFramebuffers(1, &xfb_bottom_); // Generate framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, xfb_bottom_);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
xfb_texture_bottom_, 0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
/// Blit the FBO to the OpenGL default framebuffer
void RendererOpenGL::RenderFramebuffer() {
// Render target is default framebuffer
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glViewport(0, 0, resolution_width_, resolution_height_);
// Render source is our XFB
glBindFramebuffer(GL_READ_FRAMEBUFFER, fbo_[kFramebuffer_VirtualXFB]);
glReadBuffer(GL_COLOR_ATTACHMENT0);
// Blit
glBlitFramebuffer(0, 0, resolution_width_, resolution_height_, 0, 0,
resolution_width_, resolution_height_, GL_COLOR_BUFFER_BIT, GL_LINEAR);
// Update the FPS count
UpdateFramerate();
// Rebind EFB
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo_[kFramebuffer_EFB]);
current_frame_++;
}
/// Updates the framerate
void RendererOpenGL::UpdateFramerate() {
}
/**
* Set the emulator window to use for renderer
* @param window EmuWindow handle to emulator window to use for rendering
*/
void RendererOpenGL::SetWindow(EmuWindow* window) {
render_window_ = window;
}
/// Initialize the renderer
void RendererOpenGL::Init() {
render_window_->MakeCurrent();
glShadeModel(GL_SMOOTH);
glStencilFunc(GL_ALWAYS, 0, 0);
glBlendFunc(GL_ONE, GL_ONE);
glViewport(0, 0, resolution_width_, resolution_height_);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDepthFunc(GL_LEQUAL);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glDisable(GL_STENCIL_TEST);
glEnable(GL_SCISSOR_TEST);
glScissor(0, 0, resolution_width_, resolution_height_);
glClearDepth(1.0f);
GLenum err = glewInit();
if (GLEW_OK != err) {
ERROR_LOG(RENDER, " Failed to initialize GLEW! Error message: \"%s\". Exiting...",
glewGetErrorString(err));
exit(-1);
}
// Initialize everything else
// --------------------------
InitFramebuffer();
NOTICE_LOG(RENDER, "GL_VERSION: %s\n", glGetString(GL_VERSION));
}
/// Shutdown the renderer
void RendererOpenGL::ShutDown() {
}

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/**
* Copyright (C) 2014 Citra Emulator
*
* @file renderer_opengl.h
* @author bunnei
* @date 2014-04-05
* @brief Renderer for OpenGL 3.x
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include <GL/glew.h>
#include "common.h"
#include "emu_window.h"
#include "renderer_base.h"
class RendererOpenGL : virtual public RendererBase {
public:
static const int kMaxFramebuffers = 2; ///< Maximum number of framebuffers
RendererOpenGL();
~RendererOpenGL();
/// Swap buffers (render frame)
void SwapBuffers();
/**
* Renders external framebuffer (XFB)
* @param src_rect Source rectangle in XFB to copy
* @param dst_rect Destination rectangle in output framebuffer to copy to
*/
void RenderXFB(const Rect& src_rect, const Rect& dst_rect);
/**
* Blits the EFB to the external framebuffer (XFB)
* @param src_rect Source rectangle in EFB to copy
* @param dst_rect Destination rectangle in EFB to copy to
*/
void CopyToXFB(const Rect& src_rect, const Rect& dst_rect);
/**
* Clear the screen
* @param rect Screen rectangle to clear
* @param enable_color Enable color clearing
* @param enable_alpha Enable alpha clearing
* @param enable_z Enable depth clearing
* @param color Clear color
* @param z Clear depth
*/
void Clear(const Rect& rect, bool enable_color, bool enable_alpha, bool enable_z,
u32 color, u32 z);
/// Sets the renderer viewport location, width, and height
void SetViewport(int x, int y, int width, int height);
/// Sets the renderer depthrange, znear and zfar
void SetDepthRange(double znear, double zfar);
/* Sets the scissor box
* @param rect Renderer rectangle to set scissor box to
*/
void SetScissorBox(const Rect& rect);
/**
* Sets the line and point size
* @param line_width Line width to use
* @param point_size Point size to use
*/
void SetLinePointSize(f32 line_width, f32 point_size);
/**
* Set a specific render mode
* @param flag Render flags mode to enable
*/
void SetMode(kRenderMode flags);
/// Reset the full renderer API to the NULL state
void ResetRenderState();
/// Restore the full renderer API state - As the game set it
void RestoreRenderState();
/**
* Set the emulator window to use for renderer
* @param window EmuWindow handle to emulator window to use for rendering
*/
void SetWindow(EmuWindow* window);
/// Initialize the renderer
void Init();
/// Shutdown the renderer
void ShutDown();
// Framebuffer object(s)
// ---------------------
GLuint fbo_[kMaxFramebuffers]; ///< Framebuffer objects
private:
/// Initialize the FBO
void InitFramebuffer();
// Blit the FBO to the OpenGL default framebuffer
void RenderFramebuffer();
/// Updates the framerate
void UpdateFramerate();
EmuWindow* render_window_;
u32 last_mode_; ///< Last render mode
int resolution_width_;
int resolution_height_;
// Render buffers
// --------------
GLuint fbo_rbo_[kMaxFramebuffers]; ///< Render buffer objects
GLuint fbo_depth_buffers_[kMaxFramebuffers]; ///< Depth buffers objects
// External framebuffers
// ---------------------
GLuint xfb_texture_top_; ///< GL handle to top framebuffer texture
GLuint xfb_texture_bottom_; ///< GL handle to bottom framebuffer texture
GLuint xfb_top_;
GLuint xfb_bottom_;
DISALLOW_COPY_AND_ASSIGN(RendererOpenGL);
};

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/**
* Copyright (C) 2005-2012 Gekko Emulator
*
* @file utils.cpp
* @author ShizZy <shizzy247@gmail.com>
* @date 2012-12-28
* @brief Utility functions (in general, not related to emulation) useful for video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include <stdio.h>
#include <string.h>
#include "utils.h"
namespace VideoCore {
/**
* Dumps a texture to TGA
* @param filename String filename to dump texture to
* @param width Width of texture in pixels
* @param height Height of texture in pixels
* @param raw_data Raw RGBA8 texture data to dump
* @todo This should be moved to some general purpose/common code
*/
void DumpTGA(std::string filename, int width, int height, u8* raw_data) {
TGAHeader hdr;
FILE* fout;
u8 r, g, b;
memset(&hdr, 0, sizeof(hdr));
hdr.datatypecode = 2; // uncompressed RGB
hdr.bitsperpixel = 24; // 24 bpp
hdr.width = width;
hdr.height = height;
fout = fopen(filename.c_str(), "wb");
fwrite(&hdr, sizeof(TGAHeader), 1, fout);
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
r = raw_data[(4 * (i * width)) + (4 * j) + 0];
g = raw_data[(4 * (i * width)) + (4 * j) + 1];
b = raw_data[(4 * (i * width)) + (4 * j) + 2];
putc(b, fout);
putc(g, fout);
putc(r, fout);
}
}
fclose(fout);
}
} // namespace

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/**
* Copyright (C) 2005-2012 Gekko Emulator
*
* @file utils.h
* @author ShizZy <shizzy247@gmail.com>
* @date 2012-12-28
* @brief Utility functions (in general, not related to emulation) useful for video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include "common_types.h"
#include <string>
namespace FormatPrecision {
/// Adjust RGBA8 color with RGBA6 precision
static inline u32 rgba8_with_rgba6(u32 src) {
u32 color = src;
color &= 0xFCFCFCFC;
color |= (color >> 6) & 0x03030303;
return color;
}
/// Adjust RGBA8 color with RGB565 precision
static inline u32 rgba8_with_rgb565(u32 src) {
u32 color = (src & 0xF8FCF8);
color |= (color >> 5) & 0x070007;
color |= (color >> 6) & 0x000300;
color |= 0xFF000000;
return color;
}
/// Adjust Z24 depth value with Z16 precision
static inline u32 z24_with_z16(u32 src) {
return (src & 0xFFFF00) | (src >> 16);
}
} // namespace
namespace VideoCore {
/// Structure for the TGA texture format (for dumping)
struct TGAHeader {
char idlength;
char colourmaptype;
char datatypecode;
short int colourmaporigin;
short int colourmaplength;
short int x_origin;
short int y_origin;
short width;
short height;
char bitsperpixel;
char imagedescriptor;
};
/**
* Dumps a texture to TGA
* @param filename String filename to dump texture to
* @param width Width of texture in pixels
* @param height Height of texture in pixels
* @param raw_data Raw RGBA8 texture data to dump
* @todo This should be moved to some general purpose/common code
*/
void DumpTGA(std::string filename, int width, int height, u8* raw_data);
} // namespace

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/**
* Copyright (C) 2014 Citra Emulator
*
* @file video_core.cpp
* @author bunnei
* @date 2014-04-05
* @brief Main module for new video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include "common.h"
#include "emu_window.h"
#include "log.h"
#include "core.h"
#include "video_core.h"
#include "renderer_base.h"
#include "renderer_opengl/renderer_opengl.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Video Core namespace
namespace VideoCore {
EmuWindow* g_emu_window = NULL; ///< Frontend emulator window
RendererBase* g_renderer = NULL; ///< Renderer plugin
int g_current_frame = 0;
int VideoEntry(void*) {
if (g_emu_window == NULL) {
ERROR_LOG(VIDEO, "VideoCore::VideoEntry called without calling Init()!");
}
g_emu_window->MakeCurrent();
//for(;;) {
// gp::Fifo_DecodeCommand();
//}
return 0;
}
/// Start the video core
void Start() {
if (g_emu_window == NULL) {
ERROR_LOG(VIDEO, "VideoCore::Start called without calling Init()!");
}
//if (common::g_config->enable_multicore()) {
// g_emu_window->DoneCurrent();
// g_video_thread = SDL_CreateThread(VideoEntry, NULL, NULL);
// if (g_video_thread == NULL) {
// LOG_ERROR(TVIDEO, "Unable to create thread: %s... Exiting\n", SDL_GetError());
// exit(1);
// }
//}
}
/// Initialize the video core
void Init(EmuWindow* emu_window) {
g_emu_window = emu_window;
g_emu_window->MakeCurrent();
g_renderer = new RendererOpenGL();
g_renderer->SetWindow(g_emu_window);
g_renderer->Init();
g_current_frame = 0;
NOTICE_LOG(VIDEO, "initialized ok");
}
/// Shutdown the video core
void Shutdown() {
delete g_renderer;
}
} // namespace

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/*!
* Copyright (C) 2014 Citra Emulator
*
* @file video_core.h
* @author bunnei
* @date 2014-04-05
* @brief Main module for new video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#pragma once
#include "common.h"
#include "emu_window.h"
#include "renderer_base.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Video Core namespace
namespace VideoCore {
// 3DS Video Constants
// -------------------
static const int kScreenTopWidth = 400; ///< 3DS top screen width
static const int kScreenTopHeight = 240; ///< 3DS top screen height
static const int kScreenBottomWidth = 320; ///< 3DS bottom screen width
static const int kScreenBottomHeight = 240; ///< 3DS bottom screen height
// Video core renderer
// ---------------------
extern RendererBase* g_renderer; ///< Renderer plugin
extern int g_current_frame; ///< Current frame
/// Start the video core
void Start();
/// Initialize the video core
void Init(EmuWindow* emu_window);
/// Shutdown the video core
void Shutdown();
} // namespace

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