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-rw-r--r--src/common/CMakeLists.txt2
-rw-r--r--src/common/chunk_file.h623
-rw-r--r--src/common/linear_disk_cache.h167
-rw-r--r--src/video_core/engines/shader_bytecode.h10
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp119
5 files changed, 120 insertions, 801 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 32cb85de0..f49a31612 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -31,7 +31,6 @@ add_library(common STATIC
bit_set.h
break_points.cpp
break_points.h
- chunk_file.h
cityhash.cpp
cityhash.h
color.h
@@ -41,7 +40,6 @@ add_library(common STATIC
file_util.cpp
file_util.h
hash.h
- linear_disk_cache.h
logging/backend.cpp
logging/backend.h
logging/filter.cpp
diff --git a/src/common/chunk_file.h b/src/common/chunk_file.h
deleted file mode 100644
index 972ef9039..000000000
--- a/src/common/chunk_file.h
+++ /dev/null
@@ -1,623 +0,0 @@
-// Copyright (C) 2003 Dolphin Project.
-
-// 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, version 2.0 or later versions.
-
-// 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 2.0 for more details.
-
-// A copy of the GPL 2.0 should have been included with the program.
-// If not, see http://www.gnu.org/licenses/
-
-// Official SVN repository and contact information can be found at
-// http://code.google.com/p/dolphin-emu/
-
-#pragma once
-
-// Extremely simple serialization framework.
-
-// (mis)-features:
-// + Super fast
-// + Very simple
-// + Same code is used for serialization and deserializaition (in most cases)
-// - Zero backwards/forwards compatibility
-// - Serialization code for anything complex has to be manually written.
-
-#include <cstring>
-#include <deque>
-#include <list>
-#include <map>
-#include <set>
-#include <string>
-#include <type_traits>
-#include <utility>
-#include <vector>
-#include "common/assert.h"
-#include "common/common_types.h"
-#include "common/logging/log.h"
-
-template <class T>
-struct LinkedListItem : public T {
- LinkedListItem<T>* next;
-};
-
-class PointerWrap;
-
-class PointerWrapSection {
-public:
- PointerWrapSection(PointerWrap& p, int ver, const char* title)
- : p_(p), ver_(ver), title_(title) {}
- ~PointerWrapSection();
-
- bool operator==(const int& v) const {
- return ver_ == v;
- }
- bool operator!=(const int& v) const {
- return ver_ != v;
- }
- bool operator<=(const int& v) const {
- return ver_ <= v;
- }
- bool operator>=(const int& v) const {
- return ver_ >= v;
- }
- bool operator<(const int& v) const {
- return ver_ < v;
- }
- bool operator>(const int& v) const {
- return ver_ > v;
- }
-
- operator bool() const {
- return ver_ > 0;
- }
-
-private:
- PointerWrap& p_;
- int ver_;
- const char* title_;
-};
-
-// Wrapper class
-class PointerWrap {
-// This makes it a compile error if you forget to define DoState() on non-POD.
-// Which also can be a problem, for example struct tm is non-POD on linux, for whatever reason...
-#ifdef _MSC_VER
- template <typename T, bool isPOD = std::is_pod<T>::value,
- bool isPointer = std::is_pointer<T>::value>
-#else
- template <typename T, bool isPOD = __is_pod(T), bool isPointer = std::is_pointer<T>::value>
-#endif
- struct DoHelper {
- static void DoArray(PointerWrap* p, T* x, int count) {
- for (int i = 0; i < count; ++i)
- p->Do(x[i]);
- }
-
- static void Do(PointerWrap* p, T& x) {
- p->DoClass(x);
- }
- };
-
- template <typename T>
- struct DoHelper<T, true, false> {
- static void DoArray(PointerWrap* p, T* x, int count) {
- p->DoVoid((void*)x, sizeof(T) * count);
- }
-
- static void Do(PointerWrap* p, T& x) {
- p->DoVoid((void*)&x, sizeof(x));
- }
- };
-
-public:
- enum Mode {
- MODE_READ = 1, // load
- MODE_WRITE, // save
- MODE_MEASURE, // calculate size
- MODE_VERIFY, // compare
- };
-
- enum Error {
- ERROR_NONE = 0,
- ERROR_WARNING = 1,
- ERROR_FAILURE = 2,
- };
-
- u8** ptr;
- Mode mode;
- Error error;
-
-public:
- PointerWrap(u8** ptr_, Mode mode_) : ptr(ptr_), mode(mode_), error(ERROR_NONE) {}
- PointerWrap(unsigned char** ptr_, int mode_)
- : ptr((u8**)ptr_), mode((Mode)mode_), error(ERROR_NONE) {}
-
- PointerWrapSection Section(const char* title, int ver) {
- return Section(title, ver, ver);
- }
-
- // The returned object can be compared against the version that was loaded.
- // This can be used to support versions as old as minVer.
- // Version = 0 means the section was not found.
- PointerWrapSection Section(const char* title, int minVer, int ver) {
- char marker[16] = {0};
- int foundVersion = ver;
-
- strncpy(marker, title, sizeof(marker));
- if (!ExpectVoid(marker, sizeof(marker))) {
- // Might be before we added name markers for safety.
- if (foundVersion == 1 && ExpectVoid(&foundVersion, sizeof(foundVersion)))
- DoMarker(title);
- // Wasn't found, but maybe we can still load the state.
- else
- foundVersion = 0;
- } else
- Do(foundVersion);
-
- if (error == ERROR_FAILURE || foundVersion < minVer || foundVersion > ver) {
- LOG_ERROR(Common, "Savestate failure: wrong version %d found for %s", foundVersion,
- title);
- SetError(ERROR_FAILURE);
- return PointerWrapSection(*this, -1, title);
- }
- return PointerWrapSection(*this, foundVersion, title);
- }
-
- void SetMode(Mode mode_) {
- mode = mode_;
- }
- Mode GetMode() const {
- return mode;
- }
- u8** GetPPtr() {
- return ptr;
- }
- void SetError(Error error_) {
- if (error < error_)
- error = error_;
- if (error > ERROR_WARNING)
- mode = PointerWrap::MODE_MEASURE;
- }
-
- bool ExpectVoid(void* data, int size) {
- switch (mode) {
- case MODE_READ:
- if (memcmp(data, *ptr, size) != 0)
- return false;
- break;
- case MODE_WRITE:
- memcpy(*ptr, data, size);
- break;
- case MODE_MEASURE:
- break; // MODE_MEASURE - don't need to do anything
- case MODE_VERIFY:
- for (int i = 0; i < size; i++) {
- DEBUG_ASSERT_MSG(
- ((u8*)data)[i] == (*ptr)[i],
- "Savestate verification failure: %d (0x%X) (at %p) != %d (0x%X) (at %p).\n",
- ((u8*)data)[i], ((u8*)data)[i], &((u8*)data)[i], (*ptr)[i], (*ptr)[i],
- &(*ptr)[i]);
- }
- break;
- default:
- break; // throw an error?
- }
- (*ptr) += size;
- return true;
- }
-
- void DoVoid(void* data, int size) {
- switch (mode) {
- case MODE_READ:
- memcpy(data, *ptr, size);
- break;
- case MODE_WRITE:
- memcpy(*ptr, data, size);
- break;
- case MODE_MEASURE:
- break; // MODE_MEASURE - don't need to do anything
- case MODE_VERIFY:
- for (int i = 0; i < size; i++) {
- DEBUG_ASSERT_MSG(
- ((u8*)data)[i] == (*ptr)[i],
- "Savestate verification failure: %d (0x%X) (at %p) != %d (0x%X) (at %p).\n",
- ((u8*)data)[i], ((u8*)data)[i], &((u8*)data)[i], (*ptr)[i], (*ptr)[i],
- &(*ptr)[i]);
- }
- break;
- default:
- break; // throw an error?
- }
- (*ptr) += size;
- }
-
- template <class K, class T>
- void Do(std::map<K, T*>& x) {
- if (mode == MODE_READ) {
- for (auto it = x.begin(), end = x.end(); it != end; ++it) {
- if (it->second != nullptr)
- delete it->second;
- }
- }
- T* dv = nullptr;
- DoMap(x, dv);
- }
-
- template <class K, class T>
- void Do(std::map<K, T>& x) {
- T dv = T();
- DoMap(x, dv);
- }
-
- template <class K, class T>
- void DoMap(std::map<K, T>& x, T& default_val) {
- unsigned int number = (unsigned int)x.size();
- Do(number);
- switch (mode) {
- case MODE_READ: {
- x.clear();
- while (number > 0) {
- K first = K();
- Do(first);
- T second = default_val;
- Do(second);
- x[first] = second;
- --number;
- }
- } break;
- case MODE_WRITE:
- case MODE_MEASURE:
- case MODE_VERIFY: {
- typename std::map<K, T>::iterator itr = x.begin();
- while (number > 0) {
- K first = itr->first;
- Do(first);
- Do(itr->second);
- --number;
- ++itr;
- }
- } break;
- }
- }
-
- template <class K, class T>
- void Do(std::multimap<K, T*>& x) {
- if (mode == MODE_READ) {
- for (auto it = x.begin(), end = x.end(); it != end; ++it) {
- if (it->second != nullptr)
- delete it->second;
- }
- }
- T* dv = nullptr;
- DoMultimap(x, dv);
- }
-
- template <class K, class T>
- void Do(std::multimap<K, T>& x) {
- T dv = T();
- DoMultimap(x, dv);
- }
-
- template <class K, class T>
- void DoMultimap(std::multimap<K, T>& x, T& default_val) {
- unsigned int number = (unsigned int)x.size();
- Do(number);
- switch (mode) {
- case MODE_READ: {
- x.clear();
- while (number > 0) {
- K first = K();
- Do(first);
- T second = default_val;
- Do(second);
- x.insert(std::make_pair(first, second));
- --number;
- }
- } break;
- case MODE_WRITE:
- case MODE_MEASURE:
- case MODE_VERIFY: {
- typename std::multimap<K, T>::iterator itr = x.begin();
- while (number > 0) {
- Do(itr->first);
- Do(itr->second);
- --number;
- ++itr;
- }
- } break;
- }
- }
-
- // Store vectors.
- template <class T>
- void Do(std::vector<T*>& x) {
- T* dv = nullptr;
- DoVector(x, dv);
- }
-
- template <class T>
- void Do(std::vector<T>& x) {
- T dv = T();
- DoVector(x, dv);
- }
-
- template <class T>
- void DoPOD(std::vector<T>& x) {
- T dv = T();
- DoVectorPOD(x, dv);
- }
-
- template <class T>
- void Do(std::vector<T>& x, T& default_val) {
- DoVector(x, default_val);
- }
-
- template <class T>
- void DoVector(std::vector<T>& x, T& default_val) {
- u32 vec_size = (u32)x.size();
- Do(vec_size);
- x.resize(vec_size, default_val);
- if (vec_size > 0)
- DoArray(&x[0], vec_size);
- }
-
- template <class T>
- void DoVectorPOD(std::vector<T>& x, T& default_val) {
- u32 vec_size = (u32)x.size();
- Do(vec_size);
- x.resize(vec_size, default_val);
- if (vec_size > 0)
- DoArray(&x[0], vec_size);
- }
-
- // Store deques.
- template <class T>
- void Do(std::deque<T*>& x) {
- T* dv = nullptr;
- DoDeque(x, dv);
- }
-
- template <class T>
- void Do(std::deque<T>& x) {
- T dv = T();
- DoDeque(x, dv);
- }
-
- template <class T>
- void DoDeque(std::deque<T>& x, T& default_val) {
- u32 deq_size = (u32)x.size();
- Do(deq_size);
- x.resize(deq_size, default_val);
- u32 i;
- for (i = 0; i < deq_size; i++)
- Do(x[i]);
- }
-
- // Store STL lists.
- template <class T>
- void Do(std::list<T*>& x) {
- T* dv = nullptr;
- Do(x, dv);
- }
-
- template <class T>
- void Do(std::list<T>& x) {
- T dv = T();
- DoList(x, dv);
- }
-
- template <class T>
- void Do(std::list<T>& x, T& default_val) {
- DoList(x, default_val);
- }
-
- template <class T>
- void DoList(std::list<T>& x, T& default_val) {
- u32 list_size = (u32)x.size();
- Do(list_size);
- x.resize(list_size, default_val);
-
- typename std::list<T>::iterator itr, end;
- for (itr = x.begin(), end = x.end(); itr != end; ++itr)
- Do(*itr);
- }
-
- // Store STL sets.
- template <class T>
- void Do(std::set<T*>& x) {
- if (mode == MODE_READ) {
- for (auto it = x.begin(), end = x.end(); it != end; ++it) {
- if (*it != nullptr)
- delete *it;
- }
- }
- DoSet(x);
- }
-
- template <class T>
- void Do(std::set<T>& x) {
- DoSet(x);
- }
-
- template <class T>
- void DoSet(std::set<T>& x) {
- unsigned int number = (unsigned int)x.size();
- Do(number);
-
- switch (mode) {
- case MODE_READ: {
- x.clear();
- while (number-- > 0) {
- T it = T();
- Do(it);
- x.insert(it);
- }
- } break;
- case MODE_WRITE:
- case MODE_MEASURE:
- case MODE_VERIFY: {
- typename std::set<T>::iterator itr = x.begin();
- while (number-- > 0)
- Do(*itr++);
- } break;
-
- default:
- LOG_ERROR(Common, "Savestate error: invalid mode %d.", mode);
- }
- }
-
- // Store strings.
- void Do(std::string& x) {
- int stringLen = (int)x.length() + 1;
- Do(stringLen);
-
- switch (mode) {
- case MODE_READ:
- x = (char*)*ptr;
- break;
- case MODE_WRITE:
- memcpy(*ptr, x.c_str(), stringLen);
- break;
- case MODE_MEASURE:
- break;
- case MODE_VERIFY:
- DEBUG_ASSERT_MSG((x == (char*)*ptr),
- "Savestate verification failure: \"%s\" != \"%s\" (at %p).\n",
- x.c_str(), (char*)*ptr, ptr);
- break;
- }
- (*ptr) += stringLen;
- }
-
- void Do(std::wstring& x) {
- int stringLen = sizeof(wchar_t) * ((int)x.length() + 1);
- Do(stringLen);
-
- switch (mode) {
- case MODE_READ:
- x = (wchar_t*)*ptr;
- break;
- case MODE_WRITE:
- memcpy(*ptr, x.c_str(), stringLen);
- break;
- case MODE_MEASURE:
- break;
- case MODE_VERIFY:
- DEBUG_ASSERT_MSG((x == (wchar_t*)*ptr),
- "Savestate verification failure: \"%ls\" != \"%ls\" (at %p).\n",
- x.c_str(), (wchar_t*)*ptr, ptr);
- break;
- }
- (*ptr) += stringLen;
- }
-
- template <class T>
- void DoClass(T& x) {
- x.DoState(*this);
- }
-
- template <class T>
- void DoClass(T*& x) {
- if (mode == MODE_READ) {
- if (x != nullptr)
- delete x;
- x = new T();
- }
- x->DoState(*this);
- }
-
- template <class T>
- void DoArray(T* x, int count) {
- DoHelper<T>::DoArray(this, x, count);
- }
-
- template <class T>
- void Do(T& x) {
- DoHelper<T>::Do(this, x);
- }
-
- template <class T>
- void DoPOD(T& x) {
- DoHelper<T>::Do(this, x);
- }
-
- template <class T>
- void DoPointer(T*& x, T* const base) {
- // pointers can be more than 2^31 apart, but you're using this function wrong if you need
- // that much range
- s32 offset = x - base;
- Do(offset);
- if (mode == MODE_READ)
- x = base + offset;
- }
-
- template <class T, LinkedListItem<T>* (*TNew)(), void (*TFree)(LinkedListItem<T>*),
- void (*TDo)(PointerWrap&, T*)>
- void DoLinkedList(LinkedListItem<T>*& list_start, LinkedListItem<T>** list_end = nullptr) {
- LinkedListItem<T>* list_cur = list_start;
- LinkedListItem<T>* prev = nullptr;
-
- while (true) {
- u8 shouldExist = (list_cur ? 1 : 0);
- Do(shouldExist);
- if (shouldExist == 1) {
- LinkedListItem<T>* cur = list_cur ? list_cur : TNew();
- TDo(*this, (T*)cur);
- if (!list_cur) {
- if (mode == MODE_READ) {
- cur->next = nullptr;
- list_cur = cur;
- if (prev)
- prev->next = cur;
- else
- list_start = cur;
- } else {
- TFree(cur);
- continue;
- }
- }
- } else {
- if (mode == MODE_READ) {
- if (prev)
- prev->next = nullptr;
- if (list_end)
- *list_end = prev;
- if (list_cur) {
- if (list_start == list_cur)
- list_start = nullptr;
- do {
- LinkedListItem<T>* next = list_cur->next;
- TFree(list_cur);
- list_cur = next;
- } while (list_cur);
- }
- }
- break;
- }
- prev = list_cur;
- list_cur = list_cur->next;
- }
- }
-
- void DoMarker(const char* prevName, u32 arbitraryNumber = 0x42) {
- u32 cookie = arbitraryNumber;
- Do(cookie);
- if (mode == PointerWrap::MODE_READ && cookie != arbitraryNumber) {
- LOG_ERROR(Common,
- "After \"%s\", found %d (0x%X) instead of save marker %d (0x%X). "
- "Aborting savestate load...",
- prevName, cookie, cookie, arbitraryNumber, arbitraryNumber);
- SetError(ERROR_FAILURE);
- }
- }
-};
-
-inline PointerWrapSection::~PointerWrapSection() {
- if (ver_ > 0) {
- p_.DoMarker(title_);
- }
-}
diff --git a/src/common/linear_disk_cache.h b/src/common/linear_disk_cache.h
deleted file mode 100644
index 94c695163..000000000
--- a/src/common/linear_disk_cache.h
+++ /dev/null
@@ -1,167 +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 <fstream>
-#include "common/common_types.h"
-
-// defined in Version.cpp
-extern const char* scm_rev_git_str;
-
-// On disk format:
-// header{
-// u32 'DCAC';
-// u32 version; // svn_rev
-// u16 sizeof(key_type);
-// u16 sizeof(value_type);
-//}
-
-// key_value_pair{
-// u32 value_size;
-// key_type key;
-// value_type[value_size] value;
-//}
-
-template <typename K, typename V>
-class LinearDiskCacheReader {
-public:
- virtual void Read(const K& key, const V* value, u32 value_size) = 0;
-};
-
-// Dead simple unsorted key-value store with append functionality.
-// No random read functionality, all reading is done in OpenAndRead.
-// Keys and values can contain any characters, including \0.
-//
-// Suitable for caching generated shader bytecode between executions.
-// Not tuned for extreme performance but should be reasonably fast.
-// Does not support keys or values larger than 2GB, which should be reasonable.
-// Keys must have non-zero length; values can have zero length.
-
-// K and V are some POD type
-// K : the key type
-// V : value array type
-template <typename K, typename V>
-class LinearDiskCache {
-public:
- // return number of read entries
- u32 OpenAndRead(const char* filename, LinearDiskCacheReader<K, V>& reader) {
- using std::ios_base;
-
- // close any currently opened file
- Close();
- m_num_entries = 0;
-
- // try opening for reading/writing
- OpenFStream(m_file, filename, ios_base::in | ios_base::out | ios_base::binary);
-
- m_file.seekg(0, std::ios::end);
- std::fstream::pos_type end_pos = m_file.tellg();
- m_file.seekg(0, std::ios::beg);
- std::fstream::pos_type start_pos = m_file.tellg();
- std::streamoff file_size = end_pos - start_pos;
-
- if (m_file.is_open() && ValidateHeader()) {
- // good header, read some key/value pairs
- K key;
-
- V* value = nullptr;
- u32 value_size;
- u32 entry_number;
-
- std::fstream::pos_type last_pos = m_file.tellg();
-
- while (Read(&value_size)) {
- std::streamoff next_extent =
- (last_pos - start_pos) + sizeof(value_size) + value_size;
- if (next_extent > file_size)
- break;
-
- delete[] value;
- value = new V[value_size];
-
- // read key/value and pass to reader
- if (Read(&key) && Read(value, value_size) && Read(&entry_number) &&
- entry_number == m_num_entries + 1) {
- reader.Read(key, value, value_size);
- } else {
- break;
- }
-
- m_num_entries++;
- last_pos = m_file.tellg();
- }
- m_file.seekp(last_pos);
- m_file.clear();
-
- delete[] value;
- return m_num_entries;
- }
-
- // failed to open file for reading or bad header
- // close and recreate file
- Close();
- m_file.open(filename, ios_base::out | ios_base::trunc | ios_base::binary);
- WriteHeader();
- return 0;
- }
-
- void Sync() {
- m_file.flush();
- }
-
- void Close() {
- if (m_file.is_open())
- m_file.close();
- // clear any error flags
- m_file.clear();
- }
-
- // Appends a key-value pair to the store.
- void Append(const K& key, const V* value, u32 value_size) {
- // TODO: Should do a check that we don't already have "key"? (I think each caller does that
- // already.)
- Write(&value_size);
- Write(&key);
- Write(value, value_size);
- m_num_entries++;
- Write(&m_num_entries);
- }
-
-private:
- void WriteHeader() {
- Write(&m_header);
- }
-
- bool ValidateHeader() {
- char file_header[sizeof(Header)];
-
- return (Read(file_header, sizeof(Header)) &&
- !memcmp((const char*)&m_header, file_header, sizeof(Header)));
- }
-
- template <typename D>
- bool Write(const D* data, u32 count = 1) {
- return m_file.write((const char*)data, count * sizeof(D)).good();
- }
-
- template <typename D>
- bool Read(const D* data, u32 count = 1) {
- return m_file.read((char*)data, count * sizeof(D)).good();
- }
-
- struct Header {
- Header() : id(*(u32*)"DCAC"), key_t_size(sizeof(K)), value_t_size(sizeof(V)) {
- memcpy(ver, scm_rev_git_str, 40);
- }
-
- const u32 id;
- const u16 key_t_size, value_t_size;
- char ver[40];
-
- } m_header;
-
- std::fstream m_file;
- u32 m_num_entries;
-};
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index f4d11fa5d..f3ca30cfa 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -19,7 +19,10 @@ namespace Tegra {
namespace Shader {
struct Register {
- // Register 255 is special cased to always be 0
+ /// Number of registers
+ static constexpr size_t NumRegisters = 256;
+
+ /// Register 255 is special cased to always be 0
static constexpr size_t ZeroIndex = 255;
constexpr Register() = default;
@@ -48,6 +51,11 @@ struct Register {
return ~value;
}
+ u64 GetSwizzledIndex(u64 elem) const {
+ elem = (value + elem) & 3;
+ return (value & ~3) + elem;
+ }
+
private:
u64 value{};
};
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 3dffb205d..3716bb782 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -146,6 +146,90 @@ private:
std::string shader_source;
};
+/**
+ * Represents an emulated shader register, used to track the state of that register for emulation
+ * with GLSL. At this time, a register can be used as a float or an integer. This class is used for
+ * bookkeeping within the GLSL program.
+ */
+class GLSLRegister {
+public:
+ GLSLRegister(size_t index, ShaderWriter& shader)
+ : index{index}, shader{shader}, float_str{"freg_" + std::to_string(index)},
+ integer_str{"ireg_" + std::to_string(index)} {}
+
+ /// Returns a GLSL string representing the current state of the register
+ const std::string& GetActiveString() {
+ declr_type.insert(active_type);
+
+ switch (active_type) {
+ case Type::Float:
+ return float_str;
+ case Type::Integer:
+ return integer_str;
+ }
+
+ UNREACHABLE();
+ return float_str;
+ }
+
+ /// Returns a GLSL string representing the register as a float
+ const std::string& GetFloatString() const {
+ ASSERT(IsFloatUsed());
+ return float_str;
+ }
+
+ /// Returns a GLSL string representing the register as an integer
+ const std::string& GetIntegerString() const {
+ ASSERT(IsIntegerUsed());
+ return integer_str;
+ }
+
+ /// Convert the current register state from float to integer
+ void FloatToInteger() {
+ ASSERT(active_type == Type::Float);
+
+ const std::string src = GetActiveString();
+ active_type = Type::Integer;
+ const std::string dest = GetActiveString();
+
+ shader.AddLine(dest + " = floatBitsToInt(" + src + ");");
+ }
+
+ /// Convert the current register state from integer to float
+ void IntegerToFloat() {
+ ASSERT(active_type == Type::Integer);
+
+ const std::string src = GetActiveString();
+ active_type = Type::Float;
+ const std::string dest = GetActiveString();
+
+ shader.AddLine(dest + " = intBitsToFloat(" + src + ");");
+ }
+
+ /// Returns true if the register was ever used as a float, used for register declarations
+ bool IsFloatUsed() const {
+ return declr_type.find(Type::Float) != declr_type.end();
+ }
+
+ /// Returns true if the register was ever used as an integer, used for register declarations
+ bool IsIntegerUsed() const {
+ return declr_type.find(Type::Integer) != declr_type.end();
+ }
+
+private:
+ enum class Type {
+ Float,
+ Integer,
+ };
+
+ const size_t index;
+ const std::string float_str;
+ const std::string integer_str;
+ ShaderWriter& shader;
+ Type active_type{Type::Float};
+ std::set<Type> declr_type;
+};
+
class GLSLGenerator {
public:
GLSLGenerator(const std::set<Subroutine>& subroutines, const ProgramCode& program_code,
@@ -153,6 +237,7 @@ public:
: subroutines(subroutines), program_code(program_code), main_offset(main_offset),
stage(stage) {
+ BuildRegisterList();
Generate();
}
@@ -166,6 +251,13 @@ public:
}
private:
+ /// Build the GLSL register list
+ void BuildRegisterList() {
+ for (size_t index = 0; index < Register::NumRegisters; ++index) {
+ regs.emplace_back(index, shader);
+ }
+ }
+
/// Gets the Subroutine object corresponding to the specified address.
const Subroutine& GetSubroutine(u32 begin, u32 end) const {
auto iter = subroutines.find(Subroutine{begin, end});
@@ -221,14 +313,11 @@ private:
/// Generates code representing a temporary (GPR) register.
std::string GetRegister(const Register& reg, unsigned elem = 0) {
- if (reg == Register::ZeroIndex)
+ if (reg == Register::ZeroIndex) {
return "0";
- if (stage == Maxwell3D::Regs::ShaderStage::Fragment && reg < 4) {
- // GPRs 0-3 are output color for the fragment shader
- return std::string{"color."} + "rgba"[(reg + elem) & 3];
}
- return *declr_register.insert("register_" + std::to_string(reg + elem)).first;
+ return regs[reg.GetSwizzledIndex(elem)].GetActiveString();
}
/// Generates code representing a uniform (C buffer) register.
@@ -628,6 +717,15 @@ private:
case OpCode::Id::EXIT: {
ASSERT_MSG(instr.pred.pred_index == static_cast<u64>(Pred::UnusedIndex),
"Predicated exits not implemented");
+
+ // Final color output is currently hardcoded to GPR0-3 for fragment shaders
+ if (stage == Maxwell3D::Regs::ShaderStage::Fragment) {
+ shader.AddLine("color.r = " + GetRegister(0) + ";");
+ shader.AddLine("color.g = " + GetRegister(1) + ";");
+ shader.AddLine("color.b = " + GetRegister(2) + ";");
+ shader.AddLine("color.a = " + GetRegister(3) + ";");
+ }
+
shader.AddLine("return true;");
offset = PROGRAM_END - 1;
break;
@@ -755,8 +853,13 @@ private:
/// Add declarations for registers
void GenerateDeclarations() {
- for (const auto& reg : declr_register) {
- declarations.AddLine("float " + reg + " = 0.0;");
+ for (const auto& reg : regs) {
+ if (reg.IsFloatUsed()) {
+ declarations.AddLine("float " + reg.GetFloatString() + " = 0.0;");
+ }
+ if (reg.IsIntegerUsed()) {
+ declarations.AddLine("int " + reg.GetIntegerString() + " = 0;");
+ }
}
declarations.AddNewLine();
@@ -803,9 +906,9 @@ private:
ShaderWriter shader;
ShaderWriter declarations;
+ std::vector<GLSLRegister> regs;
// Declarations
- std::set<std::string> declr_register;
std::set<std::string> declr_predicates;
std::set<Attribute::Index> declr_input_attribute;
std::set<Attribute::Index> declr_output_attribute;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-14 03:29:42 +0200