CMakeLists: Remove EMU_ARCH_BITS definition

This was only ever used by the now-removed memory_util functions. Also,
given we don't plan to support 32-bit architectures, this is just a
leftover from citra at this point.

CMakeLists.txt

@@ -178,10 +178,6 @@ endif()
 set_property(DIRECTORY APPEND PROPERTY
     COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG> $<$<NOT:$<CONFIG:Debug>>:NDEBUG>)
 
-
-math(EXPR EMU_ARCH_BITS ${CMAKE_SIZEOF_VOID_P}*8)
-add_definitions(-DEMU_ARCH_BITS=${EMU_ARCH_BITS})
-
 # System imported libraries
 # ======================
 

src/common/CMakeLists.txt

@@ -64,8 +64,6 @@ add_library(common STATIC
     logging/text_formatter.cpp
     logging/text_formatter.h
     math_util.h
-    memory_util.cpp
-    memory_util.h
     microprofile.cpp
     microprofile.h
     microprofileui.h

src/common/memory_util.cpp

@@ -1,177 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include "common/logging/log.h"
-#include "common/memory_util.h"
-
-#ifdef _WIN32
-#include <windows.h>
-// Windows.h needs to be included before psapi.h
-#include <psapi.h>
-#include "common/common_funcs.h"
-#include "common/string_util.h"
-#else
-#include <cstdlib>
-#include <sys/mman.h>
-#endif
-
-#if !defined(_WIN32) && defined(ARCHITECTURE_x86_64) && !defined(MAP_32BIT)
-#include <unistd.h>
-#define PAGE_MASK (getpagesize() - 1)
-#define round_page(x) ((((unsigned long)(x)) + PAGE_MASK) & ~(PAGE_MASK))
-#endif
-
-// This is purposely not a full wrapper for virtualalloc/mmap, but it
-// provides exactly the primitive operations that Dolphin needs.
-
-void* AllocateExecutableMemory(std::size_t size, bool low) {
-#if defined(_WIN32)
-    void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
-#else
-    static char* map_hint = nullptr;
-#if defined(ARCHITECTURE_x86_64) && !defined(MAP_32BIT)
-    // This OS has no flag to enforce allocation below the 4 GB boundary,
-    // but if we hint that we want a low address it is very likely we will
-    // get one.
-    // An older version of this code used MAP_FIXED, but that has the side
-    // effect of discarding already mapped pages that happen to be in the
-    // requested virtual memory range (such as the emulated RAM, sometimes).
-    if (low && (!map_hint))
-        map_hint = (char*)round_page(512 * 1024 * 1024); /* 0.5 GB rounded up to the next page */
-#endif
-    void* ptr = mmap(map_hint, size, PROT_READ | PROT_WRITE | PROT_EXEC,
-                     MAP_ANON | MAP_PRIVATE
-#if defined(ARCHITECTURE_x86_64) && defined(MAP_32BIT)
-                         | (low ? MAP_32BIT : 0)
-#endif
-                         ,
-                     -1, 0);
-#endif /* defined(_WIN32) */
-
-#ifdef _WIN32
-    if (ptr == nullptr) {
-#else
-    if (ptr == MAP_FAILED) {
-        ptr = nullptr;
-#endif
-        LOG_ERROR(Common_Memory, "Failed to allocate executable memory");
-    }
-#if !defined(_WIN32) && defined(ARCHITECTURE_x86_64) && !defined(MAP_32BIT)
-    else {
-        if (low) {
-            map_hint += size;
-            map_hint = (char*)round_page(map_hint); /* round up to the next page */
-        }
-    }
-#endif
-
-#if EMU_ARCH_BITS == 64
-    if ((u64)ptr >= 0x80000000 && low == true)
-        LOG_ERROR(Common_Memory, "Executable memory ended up above 2GB!");
-#endif
-
-    return ptr;
-}
-
-void* AllocateMemoryPages(std::size_t size) {
-#ifdef _WIN32
-    void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE);
-#else
-    void* ptr = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
-
-    if (ptr == MAP_FAILED)
-        ptr = nullptr;
-#endif
-
-    if (ptr == nullptr)
-        LOG_ERROR(Common_Memory, "Failed to allocate raw memory");
-
-    return ptr;
-}
-
-void* AllocateAlignedMemory(std::size_t size, std::size_t alignment) {
-#ifdef _WIN32
-    void* ptr = _aligned_malloc(size, alignment);
-#else
-    void* ptr = nullptr;
-#ifdef ANDROID
-    ptr = memalign(alignment, size);
-#else
-    if (posix_memalign(&ptr, alignment, size) != 0)
-        LOG_ERROR(Common_Memory, "Failed to allocate aligned memory");
-#endif
-#endif
-
-    if (ptr == nullptr)
-        LOG_ERROR(Common_Memory, "Failed to allocate aligned memory");
-
-    return ptr;
-}
-
-void FreeMemoryPages(void* ptr, std::size_t size) {
-    if (ptr) {
-#ifdef _WIN32
-        if (!VirtualFree(ptr, 0, MEM_RELEASE))
-            LOG_ERROR(Common_Memory, "FreeMemoryPages failed!\n{}", GetLastErrorMsg());
-#else
-        munmap(ptr, size);
-#endif
-    }
-}
-
-void FreeAlignedMemory(void* ptr) {
-    if (ptr) {
-#ifdef _WIN32
-        _aligned_free(ptr);
-#else
-        free(ptr);
-#endif
-    }
-}
-
-void WriteProtectMemory(void* ptr, std::size_t size, bool allowExecute) {
-#ifdef _WIN32
-    DWORD oldValue;
-    if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READ : PAGE_READONLY, &oldValue))
-        LOG_ERROR(Common_Memory, "WriteProtectMemory failed!\n{}", GetLastErrorMsg());
-#else
-    mprotect(ptr, size, allowExecute ? (PROT_READ | PROT_EXEC) : PROT_READ);
-#endif
-}
-
-void UnWriteProtectMemory(void* ptr, std::size_t size, bool allowExecute) {
-#ifdef _WIN32
-    DWORD oldValue;
-    if (!VirtualProtect(ptr, size, allowExecute ? PAGE_EXECUTE_READWRITE : PAGE_READWRITE,
-                        &oldValue))
-        LOG_ERROR(Common_Memory, "UnWriteProtectMemory failed!\n{}", GetLastErrorMsg());
-#else
-    mprotect(ptr, size,
-             allowExecute ? (PROT_READ | PROT_WRITE | PROT_EXEC) : PROT_WRITE | PROT_READ);
-#endif
-}
-
-std::string MemUsage() {
-#ifdef _WIN32
-#pragma comment(lib, "psapi")
-    DWORD processID = GetCurrentProcessId();
-    HANDLE hProcess;
-    PROCESS_MEMORY_COUNTERS pmc;
-    std::string Ret;
-
-    // Print information about the memory usage of the process.
-
-    hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID);
-    if (nullptr == hProcess)
-        return "MemUsage Error";
-
-    if (GetProcessMemoryInfo(hProcess, &pmc, sizeof(pmc)))
-        Ret = fmt::format("{} K", Common::ThousandSeparate(pmc.WorkingSetSize / 1024, 7));
-
-    CloseHandle(hProcess);
-    return Ret;
-#else
-    return "";
-#endif
-}

src/common/memory_util.h

@@ -1,21 +0,0 @@
-// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <cstddef>
-#include <string>
-
-void* AllocateExecutableMemory(std::size_t size, bool low = true);
-void* AllocateMemoryPages(std::size_t size);
-void FreeMemoryPages(void* ptr, std::size_t size);
-void* AllocateAlignedMemory(std::size_t size, std::size_t alignment);
-void FreeAlignedMemory(void* ptr);
-void WriteProtectMemory(void* ptr, std::size_t size, bool executable = false);
-void UnWriteProtectMemory(void* ptr, std::size_t size, bool allowExecute = false);
-std::string MemUsage();
-
-inline int GetPageSize() {
-    return 4096;
-}

src/video_core/engines/shader_bytecode.h

@@ -79,7 +79,6 @@ union Attribute {
     constexpr explicit Attribute(u64 value) : value(value) {}
 
     enum class Index : u64 {
-        PointSize = 6,
         Position = 7,
         Attribute_0 = 8,
         Attribute_31 = 39,

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -6,7 +6,6 @@
 #include <set>
 #include <string>
 #include <string_view>
-#include <unordered_set>
 
 #include <boost/optional.hpp>
 #include <fmt/format.h>
@@ -277,8 +276,7 @@ public:
     GLSLRegisterManager(ShaderWriter& shader, ShaderWriter& declarations,
                         const Maxwell3D::Regs::ShaderStage& stage, const std::string& suffix,
                         const Tegra::Shader::Header& header)
-        : shader{shader}, declarations{declarations}, stage{stage}, suffix{suffix}, header{header},
-          fixed_pipeline_output_attributes_used{} {
+        : shader{shader}, declarations{declarations}, stage{stage}, suffix{suffix}, header{header} {
         BuildRegisterList();
         BuildInputList();
     }
@@ -482,12 +480,7 @@ public:
                                std::to_string(static_cast<u32>(attribute)) + ']' +
                                GetSwizzle(elem) + " = " + src + ';');
             } else {
-                if (attribute == Attribute::Index::PointSize) {
-                    fixed_pipeline_output_attributes_used.insert(attribute);
-                    shader.AddLine(dest + " = " + src + ';');
-                } else {
-                    shader.AddLine(dest + GetSwizzle(elem) + " = " + src + ';');
-                }
+                shader.AddLine(dest + GetSwizzle(elem) + " = " + src + ';');
             }
         }
     }
@@ -531,7 +524,6 @@ public:
 
     /// Add declarations.
     void GenerateDeclarations(const std::string& suffix) {
-        GenerateVertex();
         GenerateRegisters(suffix);
         GenerateInternalFlags();
         GenerateInputAttrs();
@@ -691,20 +683,6 @@ private:
         declarations.AddNewLine();
     }
 
-    void GenerateVertex() {
-        if (stage != Maxwell3D::Regs::ShaderStage::Vertex)
-            return;
-        declarations.AddLine("out gl_PerVertex {");
-        ++declarations.scope;
-        declarations.AddLine("vec4 gl_Position;");
-        for (auto& o : fixed_pipeline_output_attributes_used) {
-            if (o == Attribute::Index::PointSize)
-                declarations.AddLine("float gl_PointSize;");
-        }
-        --declarations.scope;
-        declarations.AddLine("};");
-    }
-
     /// Generates code representing a temporary (GPR) register.
     std::string GetRegister(const Register& reg, unsigned elem) {
         if (reg == Register::ZeroIndex) {
@@ -858,8 +836,6 @@ private:
     /// Generates code representing the declaration name of an output attribute register.
     std::string GetOutputAttribute(Attribute::Index attribute) {
         switch (attribute) {
-        case Attribute::Index::PointSize:
-            return "gl_PointSize";
         case Attribute::Index::Position:
             return "position";
         default:
@@ -894,7 +870,6 @@ private:
     const Maxwell3D::Regs::ShaderStage& stage;
     const std::string& suffix;
     const Tegra::Shader::Header& header;
-    std::unordered_set<Attribute::Index> fixed_pipeline_output_attributes_used;
 };
 
 class GLSLGenerator {

src/video_core/renderer_opengl/gl_shader_gen.cpp

@@ -19,6 +19,9 @@ ProgramResult GenerateVertexShader(const ShaderSetup& setup) {
     out += Decompiler::GetCommonDeclarations();
 
     out += R"(
+out gl_PerVertex {
+    vec4 gl_Position;
+};
 
 layout (location = 0) out vec4 position;