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Format: src/{common, utils, wire}

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Corentin Wallez 2017-11-24 11:45:29 -05:00 committed by Corentin Wallez
parent a351ce9618
commit 9d01c6c26d
29 changed files with 897 additions and 876 deletions
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8
src/common/Assert.cpp
View File

@ -16,7 +16,11 @@
#include <iostream>
void HandleAssertionFailure(const char* file, const char* function, int line, const char* condition) {
std::cerr << "Assertion failure at " << file << ":" << line << " (" << function << "): " << condition << std::endl;
void HandleAssertionFailure(const char* file,
const char* function,
int line,
const char* condition) {
std::cerr << "Assertion failure at " << file << ":" << line << " (" << function
<< "): " << condition << std::endl;
NXT_BREAKPOINT();
}

89
src/common/Assert.h
View File

@ -17,63 +17,64 @@
#include "common/Compiler.h"
void HandleAssertionFailure(const char* file, const char* function, int line, const char* condition);
// NXT asserts to be used instead of the regular C stdlib assert function (if you don't use assert
// yet, you should start now!). In debug ASSERT(condition) will trigger an error, otherwise in
// release it does nothing at runtime.
//
// In case of name clashes (with for example a testing library), you can define the
// NXT_SKIP_ASSERT_SHORTHANDS to only define the NXT_ prefixed macros.
//
// These asserts feature:
// - Logging of the error with file, line and function information.
// - Breaking in the debugger when an assert is triggered and a debugger is attached.
// - Use the assert information to help the compiler optimizer in release builds.
/*
* NXT asserts to be used instead of the regular C stdlib assert function (if you don't
* use assert yet, you should start now!). In debug ASSERT(condition) will trigger an error,
* otherwise in release it does nothing at runtime.
*
* In case of name clashes (with for example a testing library), you can define the
* NXT_SKIP_ASSERT_SHORTHANDS to only define the NXT_ prefixed macros.
*
* These asserts feature:
* - Logging of the error with file, line and function information.
* - Breaking in the debugger when an assert is triggered and a debugger is attached.
* - Use the assert information to help the compiler optimizer in release builds.
*/
// MSVC triggers a warning in /W4 for do {} while(0). SDL worked around this by using
// // (0,0) and points out that it looks like an owl face.
// MSVC triggers a warning in /W4 for do {} while(0). SDL worked around this by using (0,0) and
// points out that it looks like an owl face.
#if defined(NXT_COMPILER_MSVC)
#define NXT_ASSERT_LOOP_CONDITION (0,0)
# define NXT_ASSERT_LOOP_CONDITION (0, 0)
#else
#define NXT_ASSERT_LOOP_CONDITION (0)
# define NXT_ASSERT_LOOP_CONDITION (0)
#endif
// NXT_ASSERT_CALLSITE_HELPER generates the actual assert code. In Debug it does what you would
// expect of an assert and in release it tries to give hints to make the compiler generate better code.
// expect of an assert and in release it tries to give hints to make the compiler generate better
// code.
#if defined(NXT_ENABLE_ASSERTS)
#define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) \
do { \
if (!(condition)) { \
# define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) \
do { \
if (!(condition)) { \
HandleAssertionFailure(file, func, line, #condition); \
} \
} while(NXT_ASSERT_LOOP_CONDITION)
} \
} while (NXT_ASSERT_LOOP_CONDITION)
#else
#if defined(NXT_COMPILER_MSVC)
#define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) \
__assume(condition)
#elif defined(NXT_COMPILER_CLANG) && defined(__builtin_assume)
#define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) \
__builtin_assume(condition)
#else
#define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) \
do { \
(void) sizeof(condition); \
} while(NXT_ASSERT_LOOP_CONDITION)
#endif
# if defined(NXT_COMPILER_MSVC)
# define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) __assume(condition)
# elif defined(NXT_COMPILER_CLANG) && defined(__builtin_assume)
# define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) __builtin_assume(condition)
# else
# define NXT_ASSERT_CALLSITE_HELPER(file, func, line, condition) \
do { \
(void)sizeof(condition); \
} while (NXT_ASSERT_LOOP_CONDITION)
# endif
#endif
#define NXT_ASSERT(condition) NXT_ASSERT_CALLSITE_HELPER(__FILE__, __func__, __LINE__, condition)
#define NXT_UNREACHABLE() \
do { \
NXT_ASSERT(NXT_ASSERT_LOOP_CONDITION && "Unreachable code hit"); NXT_BUILTIN_UNREACHABLE(); \
} while(NXT_ASSERT_LOOP_CONDITION)
#define NXT_UNREACHABLE() \
do { \
NXT_ASSERT(NXT_ASSERT_LOOP_CONDITION && "Unreachable code hit"); \
NXT_BUILTIN_UNREACHABLE(); \
} while (NXT_ASSERT_LOOP_CONDITION)
#if !defined(NXT_SKIP_ASSERT_SHORTHANDS)
#define ASSERT NXT_ASSERT
#define UNREACHABLE NXT_UNREACHABLE
# define ASSERT NXT_ASSERT
# define UNREACHABLE NXT_UNREACHABLE
#endif
#endif // COMMON_ASSERT_H_
void HandleAssertionFailure(const char* file,
const char* function,
int line,
const char* condition);
#endif // COMMON_ASSERT_H_

57
src/common/BitSetIterator.h
View File

@ -21,7 +21,6 @@
#include <bitset>
#include <limits>
// This is ANGLE's BitSetIterator class with a customizable return type
// TODO(cwallez@chromium.org): it could be optimized, in particular when N <= 64
@ -33,44 +32,48 @@ T roundUp(const T value, const T alignment) {
template <size_t N, typename T>
class BitSetIterator final {
public:
BitSetIterator(const std::bitset<N>& bitset);
BitSetIterator(const BitSetIterator& other);
BitSetIterator &operator=(const BitSetIterator& other);
public:
BitSetIterator(const std::bitset<N>& bitset);
BitSetIterator(const BitSetIterator& other);
BitSetIterator& operator=(const BitSetIterator& other);
class Iterator final {
public:
Iterator(const std::bitset<N>& bits);
Iterator& operator++();
class Iterator final {
public:
Iterator(const std::bitset<N>& bits);
Iterator& operator++();
bool operator==(const Iterator& other) const;
bool operator!=(const Iterator& other) const;
T operator*() const { return static_cast<T>(mCurrentBit); }
bool operator==(const Iterator& other) const;
bool operator!=(const Iterator& other) const;
T operator*() const {
return static_cast<T>(mCurrentBit);
}
private:
unsigned long getNextBit();
private:
unsigned long getNextBit();
static const size_t BitsPerWord = sizeof(uint32_t) * 8;
std::bitset<N> mBits;
unsigned long mCurrentBit;
unsigned long mOffset;
};
static const size_t BitsPerWord = sizeof(uint32_t) * 8;
std::bitset<N> mBits;
unsigned long mCurrentBit;
unsigned long mOffset;
};
Iterator begin() const { return Iterator(mBits); }
Iterator end() const { return Iterator(std::bitset<N>(0)); }
Iterator begin() const {
return Iterator(mBits);
}
Iterator end() const {
return Iterator(std::bitset<N>(0));
}
private:
const std::bitset<N> mBits;
private:
const std::bitset<N> mBits;
};
template <size_t N, typename T>
BitSetIterator<N, T>::BitSetIterator(const std::bitset<N>& bitset)
: mBits(bitset) {
BitSetIterator<N, T>::BitSetIterator(const std::bitset<N>& bitset) : mBits(bitset) {
}
template <size_t N, typename T>
BitSetIterator<N, T>::BitSetIterator(const BitSetIterator& other)
: mBits(other.mBits) {
BitSetIterator<N, T>::BitSetIterator(const BitSetIterator& other) : mBits(other.mBits) {
}
template <size_t N, typename T>

36
src/common/Compiler.h
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@ -21,32 +21,32 @@
// - NXT_BUILTIN_UNREACHABLE(): Hints the compiler that a code path is unreachable
// Clang and GCC
#ifdef __GNUC__
#if defined(__clang__)
#define NXT_COMPILER_CLANG
#else
#define NXT_COMPILER_GCC
#endif
#if defined(__GNUC__)
# if defined(__clang__)
# define NXT_COMPILER_CLANG
# else
# define NXT_COMPILER_GCC
# endif
#if defined(__i386__) || defined(__x86_64__)
#define NXT_BREAKPOINT() __asm__ __volatile__("int $3\n\t")
#else
#error "Implement BREAKPOINT on your platform"
#endif
# if defined(__i386__) || defined(__x86_64__)
# define NXT_BREAKPOINT() __asm__ __volatile__("int $3\n\t")
# else
# error "Implement BREAKPOINT on your platform"
# endif
#define NXT_BUILTIN_UNREACHABLE() __builtin_unreachable()
# define NXT_BUILTIN_UNREACHABLE() __builtin_unreachable()
// MSVC
#elif defined(_MSC_VER)
#define NXT_COMPILER_MSVC
# define NXT_COMPILER_MSVC
extern void __cdecl __debugbreak(void);
#define NXT_BREAKPOINT() __debugbreak()
extern void __cdecl __debugbreak(void);
# define NXT_BREAKPOINT() __debugbreak()
#define NXT_BUILTIN_UNREACHABLE() __assume(false)
# define NXT_BUILTIN_UNREACHABLE() __assume(false)
#else
#error "Unsupported compiler"
# error "Unsupported compiler"
#endif
#endif // COMMON_COMPILER_H_
#endif // COMMON_COMPILER_H_

5
src/common/Constants.h
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@ -19,11 +19,12 @@
static constexpr uint32_t kMaxPushConstants = 32u;
static constexpr uint32_t kMaxBindGroups = 4u;
static constexpr uint32_t kMaxBindingsPerGroup = 16u; // TODO(cwallez@chromium.org): investigate bindgroup limits
// TODO(cwallez@chromium.org): investigate bindgroup limits
static constexpr uint32_t kMaxBindingsPerGroup = 16u;
static constexpr uint32_t kMaxVertexAttributes = 16u;
static constexpr uint32_t kMaxVertexInputs = 16u;
static constexpr uint32_t kNumStages = 3;
static constexpr uint32_t kMaxColorAttachments = 4u;
static constexpr uint32_t kTextureRowPitchAlignment = 256u;
#endif // COMMON_CONSTANTS_H_
#endif // COMMON_CONSTANTS_H_

72
src/common/DynamicLib.cpp
View File

@ -17,11 +17,11 @@
#include "common/Platform.h"
#if NXT_PLATFORM_WINDOWS
#include <windows.h>
# include <windows.h>
#elif NXT_PLATFORM_POSIX
#include <dlfcn.h>
# include <dlfcn.h>
#else
#error "Unsupported platform for DynamicLib"
# error "Unsupported platform for DynamicLib"
#endif
DynamicLib::~DynamicLib() {
@ -42,21 +42,21 @@ bool DynamicLib::Valid() const {
}
bool DynamicLib::Open(const std::string& filename, std::string* error) {
#if NXT_PLATFORM_WINDOWS
mHandle = LoadLibraryA(filename.c_str());
#if NXT_PLATFORM_WINDOWS
mHandle = LoadLibraryA(filename.c_str());
if (mHandle == nullptr && error != nullptr) {
*error = "Windows Error: " + std::to_string(GetLastError());
}
#elif NXT_PLATFORM_POSIX
mHandle = dlopen(filename.c_str(), RTLD_NOW);
if (mHandle == nullptr && error != nullptr) {
*error = "Windows Error: " + std::to_string(GetLastError());
}
#elif NXT_PLATFORM_POSIX
mHandle = dlopen(filename.c_str(), RTLD_NOW);
if (mHandle == nullptr && error != nullptr) {
*error = dlerror();
}
#else
#error "Unsupported platform for DynamicLib"
#endif
if (mHandle == nullptr && error != nullptr) {
*error = dlerror();
}
#else
# error "Unsupported platform for DynamicLib"
#endif
return mHandle != nullptr;
}
@ -66,13 +66,13 @@ void DynamicLib::Close() {
return;
}
#if NXT_PLATFORM_WINDOWS
FreeLibrary(static_cast<HMODULE>(mHandle));
#elif NXT_PLATFORM_POSIX
dlclose(mHandle);
#else
#error "Unsupported platform for DynamicLib"
#endif
#if NXT_PLATFORM_WINDOWS
FreeLibrary(static_cast<HMODULE>(mHandle));
#elif NXT_PLATFORM_POSIX
dlclose(mHandle);
#else
# error "Unsupported platform for DynamicLib"
#endif
mHandle = nullptr;
}
@ -80,21 +80,21 @@ void DynamicLib::Close() {
void* DynamicLib::GetProc(const std::string& procName, std::string* error) const {
void* proc = nullptr;
#if NXT_PLATFORM_WINDOWS
proc = reinterpret_cast<void*>(GetProcAddress(static_cast<HMODULE>(mHandle), procName.c_str()));
#if NXT_PLATFORM_WINDOWS
proc = reinterpret_cast<void*>(GetProcAddress(static_cast<HMODULE>(mHandle), procName.c_str()));
if (proc == nullptr && error != nullptr) {
*error = "Windows Error: " + std::to_string(GetLastError());
}
#elif NXT_PLATFORM_POSIX
proc = reinterpret_cast<void*>(dlsym(mHandle, procName.c_str()));
if (proc == nullptr && error != nullptr) {
*error = "Windows Error: " + std::to_string(GetLastError());
}
#elif NXT_PLATFORM_POSIX
proc = reinterpret_cast<void*>(dlsym(mHandle, procName.c_str()));
if (proc == nullptr && error != nullptr) {
*error = dlerror();
}
#else
#error "Unsupported platform for DynamicLib"
#endif
if (proc == nullptr && error != nullptr) {
*error = dlerror();
}
#else
# error "Unsupported platform for DynamicLib"
#endif
return proc;
}

42
src/common/DynamicLib.h
View File

@ -21,34 +21,34 @@
#include <type_traits>
class DynamicLib {
public:
DynamicLib() = default;
~DynamicLib();
public:
DynamicLib() = default;
~DynamicLib();
DynamicLib(const DynamicLib&) = delete;
DynamicLib& operator=(const DynamicLib&) = delete;
DynamicLib(const DynamicLib&) = delete;
DynamicLib& operator=(const DynamicLib&) = delete;
DynamicLib(DynamicLib&& other);
DynamicLib& operator=(DynamicLib&& other);
DynamicLib(DynamicLib&& other);
DynamicLib& operator=(DynamicLib&& other);
bool Valid() const;
bool Valid() const;
bool Open(const std::string& filename, std::string* error = nullptr);
void Close();
bool Open(const std::string& filename, std::string* error = nullptr);
void Close();
void* GetProc(const std::string& procName, std::string* error = nullptr) const;
void* GetProc(const std::string& procName, std::string* error = nullptr) const;
template<typename T>
bool GetProc(T** proc, const std::string& procName, std::string* error = nullptr) const {
ASSERT(proc != nullptr);
static_assert(std::is_function<T>::value, "");
template <typename T>
bool GetProc(T** proc, const std::string& procName, std::string* error = nullptr) const {
ASSERT(proc != nullptr);
static_assert(std::is_function<T>::value, "");
*proc = reinterpret_cast<T*>(GetProc(procName, error));
return *proc != nullptr;
}
*proc = reinterpret_cast<T*>(GetProc(procName, error));
return *proc != nullptr;
}
private:
void* mHandle = nullptr;
private:
void* mHandle = nullptr;
};
#endif // COMMON_DYNAMICLIB_H_
#endif // COMMON_DYNAMICLIB_H_

37
src/common/Math.cpp
View File

@ -17,31 +17,31 @@
#include "common/Assert.h"
#if defined(NXT_COMPILER_MSVC)
#include <intrin.h>
# include <intrin.h>
#endif
uint32_t ScanForward(uint32_t bits) {
ASSERT(bits != 0);
#if defined(NXT_COMPILER_MSVC)
unsigned long firstBitIndex = 0ul;
unsigned char ret = _BitScanForward(&firstBitIndex, bits);
ASSERT(ret != 0);
return firstBitIndex;
#else
return static_cast<uint32_t>(__builtin_ctz(bits));
#endif
#if defined(NXT_COMPILER_MSVC)
unsigned long firstBitIndex = 0ul;
unsigned char ret = _BitScanForward(&firstBitIndex, bits);
ASSERT(ret != 0);
return firstBitIndex;
#else
return static_cast<uint32_t>(__builtin_ctz(bits));
#endif
}
uint32_t Log2(uint32_t value) {
ASSERT(value != 0);
#if defined(NXT_COMPILER_MSVC)
unsigned long firstBitIndex = 0ul;
unsigned char ret = _BitScanReverse(&firstBitIndex, value);
ASSERT(ret != 0);
return firstBitIndex;
#else
return 31 - static_cast<uint32_t>(__builtin_clz(value));
#endif
#if defined(NXT_COMPILER_MSVC)
unsigned long firstBitIndex = 0ul;
unsigned char ret = _BitScanReverse(&firstBitIndex, value);
ASSERT(ret != 0);
return firstBitIndex;
#else
return 31 - static_cast<uint32_t>(__builtin_clz(value));
#endif
}
bool IsPowerOfTwo(size_t n) {
@ -58,7 +58,8 @@ bool IsPtrAligned(const void* ptr, size_t alignment) {
void* AlignVoidPtr(void* ptr, size_t alignment) {
ASSERT(IsPowerOfTwo(alignment));
ASSERT(alignment != 0);
return reinterpret_cast<void*>((reinterpret_cast<size_t>(ptr) + (alignment - 1)) & ~(alignment - 1));
return reinterpret_cast<void*>((reinterpret_cast<size_t>(ptr) + (alignment - 1)) &
~(alignment - 1));
}
bool IsAligned(uint32_t value, size_t alignment) {

6
src/common/Math.h
View File

@ -28,14 +28,14 @@ void* AlignVoidPtr(void* ptr, size_t alignment);
bool IsAligned(uint32_t value, size_t alignment);
uint32_t Align(uint32_t value, size_t alignment);
template<typename T>
template <typename T>
T* AlignPtr(T* ptr, size_t alignment) {
return reinterpret_cast<T*>(AlignVoidPtr(ptr, alignment));
}
template<typename T>
template <typename T>
const T* AlignPtr(const T* ptr, size_t alignment) {
return reinterpret_cast<const T*>(AlignVoidPtr(const_cast<T*>(ptr), alignment));
}
#endif // COMMON_MATH_H_
#endif // COMMON_MATH_H_

14
src/common/Platform.h
View File

@ -16,15 +16,15 @@
#define COMMON_PLATFORM_H_
#if defined(_WIN32) || defined(_WIN64)
#define NXT_PLATFORM_WINDOWS 1
# define NXT_PLATFORM_WINDOWS 1
#elif defined(__linux__)
#define NXT_PLATFORM_LINUX 1
#define NXT_PLATFORM_POSIX 1
# define NXT_PLATFORM_LINUX 1
# define NXT_PLATFORM_POSIX 1
#elif defined(__APPLE__)
#define NXT_PLATFORM_APPLE 1
#define NXT_PLATFORM_POSIX 1
# define NXT_PLATFORM_APPLE 1
# define NXT_PLATFORM_POSIX 1
#else
#error "Unsupported platform."
# error "Unsupported platform."
#endif
#endif // COMMON_PLATFORM_H_
#endif // COMMON_PLATFORM_H_

2
src/common/Serial.h
View File

@ -19,4 +19,4 @@
using Serial = uint64_t;
#endif // COMMON_SERIAL_H_
#endif // COMMON_SERIAL_H_

228
src/common/SerialQueue.h
View File

@ -21,101 +21,101 @@
#include <cstdint>
#include <vector>
template<typename T>
template <typename T>
class SerialQueue {
private:
using SerialPair = std::pair<Serial, std::vector<T>>;
using Storage = std::vector<SerialPair>;
using StorageIterator = typename Storage::iterator;
using ConstStorageIterator = typename Storage::const_iterator;
private:
using SerialPair = std::pair<Serial, std::vector<T>>;
using Storage = std::vector<SerialPair>;
using StorageIterator = typename Storage::iterator;
using ConstStorageIterator = typename Storage::const_iterator;
public:
class Iterator {
public:
Iterator(StorageIterator start);
Iterator& operator++();
public:
class Iterator {
public:
Iterator(StorageIterator start);
Iterator& operator++();
bool operator==(const Iterator& other) const;
bool operator!=(const Iterator& other) const;
T& operator*() const;
bool operator==(const Iterator& other) const;
bool operator!=(const Iterator& other) const;
T& operator*() const;
private:
StorageIterator mStorageIterator;
// Special case the mSerialIterator when it should be equal to mStorageIterator.begin()
// otherwise we could ask mStorageIterator.begin() when mStorageIterator is mStorage.end()
// which is invalid. mStorageIterator.begin() is tagged with a nullptr.
T* mSerialIterator;
};
private:
StorageIterator mStorageIterator;
// Special case the mSerialIterator when it should be equal to mStorageIterator.begin()
// otherwise we could ask mStorageIterator.begin() when mStorageIterator is mStorage.end()
// which is invalid. mStorageIterator.begin() is tagged with a nullptr.
T* mSerialIterator;
};
class ConstIterator {
public:
ConstIterator(ConstStorageIterator start);
ConstIterator& operator++();
class ConstIterator {
public:
ConstIterator(ConstStorageIterator start);
ConstIterator& operator++();
bool operator==(const ConstIterator& other) const;
bool operator!=(const ConstIterator& other) const;
const T& operator*() const;
bool operator==(const ConstIterator& other) const;
bool operator!=(const ConstIterator& other) const;
const T& operator*() const;
private:
ConstStorageIterator mStorageIterator;
const T* mSerialIterator;
};
private:
ConstStorageIterator mStorageIterator;
const T* mSerialIterator;
};
class BeginEnd {
public:
BeginEnd(StorageIterator start, StorageIterator end);
class BeginEnd {
public:
BeginEnd(StorageIterator start, StorageIterator end);
Iterator begin() const;
Iterator end() const;
Iterator begin() const;
Iterator end() const;
private:
StorageIterator mStartIt;
StorageIterator mEndIt;
};
private:
StorageIterator mStartIt;
StorageIterator mEndIt;
};
class ConstBeginEnd {
public:
ConstBeginEnd(ConstStorageIterator start, ConstStorageIterator end);
class ConstBeginEnd {
public:
ConstBeginEnd(ConstStorageIterator start, ConstStorageIterator end);
ConstIterator begin() const;
ConstIterator end() const;
ConstIterator begin() const;
ConstIterator end() const;
private:
ConstStorageIterator mStartIt;
ConstStorageIterator mEndIt;
};
private:
ConstStorageIterator mStartIt;
ConstStorageIterator mEndIt;
};
// The serial must be given in (not strictly) increasing order.
void Enqueue(const T& value, Serial serial);
void Enqueue(T&& value, Serial serial);
void Enqueue(const std::vector<T>& values, Serial serial);
void Enqueue(std::vector<T>&& values, Serial serial);
// The serial must be given in (not strictly) increasing order.
void Enqueue(const T& value, Serial serial);
void Enqueue(T&& value, Serial serial);
void Enqueue(const std::vector<T>& values, Serial serial);
void Enqueue(std::vector<T>&& values, Serial serial);
bool Empty() const;
bool Empty() const;
// The UpTo variants of Iterate and Clear affect all values associated to a serial
// that is smaller OR EQUAL to the given serial. Iterating is done like so:
// for (const T& value : queue.IterateAll()) { stuff(T); }
ConstBeginEnd IterateAll() const;
ConstBeginEnd IterateUpTo(Serial serial) const;
BeginEnd IterateAll();
BeginEnd IterateUpTo(Serial serial);
// The UpTo variants of Iterate and Clear affect all values associated to a serial
// that is smaller OR EQUAL to the given serial. Iterating is done like so:
// for (const T& value : queue.IterateAll()) { stuff(T); }
ConstBeginEnd IterateAll() const;
ConstBeginEnd IterateUpTo(Serial serial) const;
BeginEnd IterateAll();
BeginEnd IterateUpTo(Serial serial);
void Clear();
void ClearUpTo(Serial serial);
void Clear();
void ClearUpTo(Serial serial);
Serial FirstSerial() const;
Serial FirstSerial() const;
private:
// Returns the first StorageIterator that a serial bigger than serial.
ConstStorageIterator FindUpTo(Serial serial) const;
StorageIterator FindUpTo(Serial serial);
Storage mStorage;
private:
// Returns the first StorageIterator that a serial bigger than serial.
ConstStorageIterator FindUpTo(Serial serial) const;
StorageIterator FindUpTo(Serial serial);
Storage mStorage;
};
// SerialQueue
template<typename T>
template <typename T>
void SerialQueue<T>::Enqueue(const T& value, Serial serial) {
NXT_ASSERT(Empty() || mStorage.back().first <= serial);
@ -125,7 +125,7 @@ void SerialQueue<T>::Enqueue(const T& value, Serial serial) {
mStorage.back().second.emplace_back(value);
}
template<typename T>
template <typename T>
void SerialQueue<T>::Enqueue(T&& value, Serial serial) {
NXT_ASSERT(Empty() || mStorage.back().first <= serial);
@ -135,132 +135,133 @@ void SerialQueue<T>::Enqueue(T&& value, Serial serial) {
mStorage.back().second.emplace_back(value);
}
template<typename T>
template <typename T>
void SerialQueue<T>::Enqueue(const std::vector<T>& values, Serial serial) {
NXT_ASSERT(values.size() > 0);
NXT_ASSERT(Empty() || mStorage.back().first <= serial);
mStorage.emplace_back(SerialPair(serial, {values}));
}
template<typename T>
template <typename T>
void SerialQueue<T>::Enqueue(std::vector<T>&& values, Serial serial) {
NXT_ASSERT(values.size() > 0);
NXT_ASSERT(Empty() || mStorage.back().first <= serial);
mStorage.emplace_back(SerialPair(serial, {values}));
}
template<typename T>
template <typename T>
bool SerialQueue<T>::Empty() const {
return mStorage.empty();
}
template<typename T>
template <typename T>
typename SerialQueue<T>::ConstBeginEnd SerialQueue<T>::IterateAll() const {
return {mStorage.begin(), mStorage.end()};
}
template<typename T>
template <typename T>
typename SerialQueue<T>::ConstBeginEnd SerialQueue<T>::IterateUpTo(Serial serial) const {
return {mStorage.begin(), FindUpTo(serial)};
}
template<typename T>
template <typename T>
typename SerialQueue<T>::BeginEnd SerialQueue<T>::IterateAll() {
return {mStorage.begin(), mStorage.end()};
}
template<typename T>
template <typename T>
typename SerialQueue<T>::BeginEnd SerialQueue<T>::IterateUpTo(Serial serial) {
return {mStorage.begin(), FindUpTo(serial)};
}
template<typename T>
template <typename T>
void SerialQueue<T>::Clear() {
mStorage.clear();
}
template<typename T>
template <typename T>
void SerialQueue<T>::ClearUpTo(Serial serial) {
mStorage.erase(mStorage.begin(), FindUpTo(serial));
}
template<typename T>
template <typename T>
Serial SerialQueue<T>::FirstSerial() const {
NXT_ASSERT(!Empty());
return mStorage.front().first;
}
template<typename T>
template <typename T>
typename SerialQueue<T>::ConstStorageIterator SerialQueue<T>::FindUpTo(Serial serial) const {
auto it = mStorage.begin();
while (it != mStorage.end() && it->first <= serial) {
it ++;
it++;
}
return it;
}
template<typename T>
template <typename T>
typename SerialQueue<T>::StorageIterator SerialQueue<T>::FindUpTo(Serial serial) {
auto it = mStorage.begin();
while (it != mStorage.end() && it->first <= serial) {
it ++;
it++;
}
return it;
}
// SerialQueue::BeginEnd
template<typename T>
SerialQueue<T>::BeginEnd::BeginEnd(typename SerialQueue<T>::StorageIterator start, typename SerialQueue<T>::StorageIterator end)
template <typename T>
SerialQueue<T>::BeginEnd::BeginEnd(typename SerialQueue<T>::StorageIterator start,
typename SerialQueue<T>::StorageIterator end)
: mStartIt(start), mEndIt(end) {
}
template<typename T>
template <typename T>
typename SerialQueue<T>::Iterator SerialQueue<T>::BeginEnd::begin() const {
return {mStartIt};
}
template<typename T>
template <typename T>
typename SerialQueue<T>::Iterator SerialQueue<T>::BeginEnd::end() const {
return {mEndIt};
}
// SerialQueue::Iterator
template<typename T>
template <typename T>
SerialQueue<T>::Iterator::Iterator(typename SerialQueue<T>::StorageIterator start)
: mStorageIterator(start), mSerialIterator(nullptr) {
}
template<typename T>
template <typename T>
typename SerialQueue<T>::Iterator& SerialQueue<T>::Iterator::operator++() {
T* vectorData = mStorageIterator->second.data();
if (mSerialIterator == nullptr) {
mSerialIterator = vectorData + 1;
} else {
mSerialIterator ++;
mSerialIterator++;
}
if (mSerialIterator >= vectorData + mStorageIterator->second.size()) {
mSerialIterator = nullptr;
mStorageIterator ++;
mStorageIterator++;
}
return *this;
}
template<typename T>
template <typename T>
bool SerialQueue<T>::Iterator::operator==(const typename SerialQueue<T>::Iterator& other) const {
return other.mStorageIterator == mStorageIterator && other.mSerialIterator == mSerialIterator;
}
template<typename T>
template <typename T>
bool SerialQueue<T>::Iterator::operator!=(const typename SerialQueue<T>::Iterator& other) const {
return !(*this == other);
}
template<typename T>
template <typename T>
T& SerialQueue<T>::Iterator::operator*() const {
if (mSerialIterator == nullptr) {
return *mStorageIterator->second.begin();
@ -270,57 +271,60 @@ T& SerialQueue<T>::Iterator::operator*() const {
// SerialQueue::ConstBeginEnd
template<typename T>
SerialQueue<T>::ConstBeginEnd::ConstBeginEnd(typename SerialQueue<T>::ConstStorageIterator start, typename SerialQueue<T>::ConstStorageIterator end)
template <typename T>
SerialQueue<T>::ConstBeginEnd::ConstBeginEnd(typename SerialQueue<T>::ConstStorageIterator start,
typename SerialQueue<T>::ConstStorageIterator end)
: mStartIt(start), mEndIt(end) {
}
template<typename T>
template <typename T>
typename SerialQueue<T>::ConstIterator SerialQueue<T>::ConstBeginEnd::begin() const {
return {mStartIt};
}
template<typename T>
template <typename T>
typename SerialQueue<T>::ConstIterator SerialQueue<T>::ConstBeginEnd::end() const {
return {mEndIt};
}
// SerialQueue::ConstIterator
template<typename T>
template <typename T>
SerialQueue<T>::ConstIterator::ConstIterator(typename SerialQueue<T>::ConstStorageIterator start)
: mStorageIterator(start), mSerialIterator(nullptr) {
}
template<typename T>
template <typename T>
typename SerialQueue<T>::ConstIterator& SerialQueue<T>::ConstIterator::operator++() {
const T* vectorData = mStorageIterator->second.data();
if (mSerialIterator == nullptr) {
mSerialIterator = vectorData + 1;
} else {
mSerialIterator ++;
mSerialIterator++;
}
if (mSerialIterator >= vectorData + mStorageIterator->second.size()) {
mSerialIterator = nullptr;
mStorageIterator ++;
mStorageIterator++;
}
return *this;
}
template<typename T>
bool SerialQueue<T>::ConstIterator::operator==(const typename SerialQueue<T>::ConstIterator& other) const {
template <typename T>
bool SerialQueue<T>::ConstIterator::operator==(
const typename SerialQueue<T>::ConstIterator& other) const {
return other.mStorageIterator == mStorageIterator && other.mSerialIterator == mSerialIterator;
}
template<typename T>
bool SerialQueue<T>::ConstIterator::operator!=(const typename SerialQueue<T>::ConstIterator& other) const {
template <typename T>
bool SerialQueue<T>::ConstIterator::operator!=(
const typename SerialQueue<T>::ConstIterator& other) const {
return !(*this == other);
}
template<typename T>
template <typename T>
const T& SerialQueue<T>::ConstIterator::operator*() const {
if (mSerialIterator == nullptr) {
return *mStorageIterator->second.begin();
@ -328,4 +332,4 @@ const T& SerialQueue<T>::ConstIterator::operator*() const {
return *mSerialIterator;
}
#endif // COMMON_SERIALQUEUE_H_
#endif // COMMON_SERIALQUEUE_H_

72
src/utils/BackendBinding.cpp
View File

@ -18,21 +18,21 @@
namespace utils {
#if defined(NXT_ENABLE_BACKEND_D3D12)
BackendBinding* CreateD3D12Binding();
#endif
#if defined(NXT_ENABLE_BACKEND_METAL)
BackendBinding* CreateMetalBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_NULL)
BackendBinding* CreateNullBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_OPENGL)
BackendBinding* CreateOpenGLBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_VULKAN)
BackendBinding* CreateVulkanBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_D3D12)
BackendBinding* CreateD3D12Binding();
#endif
#if defined(NXT_ENABLE_BACKEND_METAL)
BackendBinding* CreateMetalBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_NULL)
BackendBinding* CreateNullBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_OPENGL)
BackendBinding* CreateOpenGLBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_VULKAN)
BackendBinding* CreateVulkanBinding();
#endif
void BackendBinding::SetWindow(GLFWwindow* window) {
mWindow = window;
@ -40,34 +40,34 @@ namespace utils {
BackendBinding* CreateBinding(BackendType type) {
switch (type) {
#if defined(NXT_ENABLE_BACKEND_D3D12)
case BackendType::D3D12:
return CreateD3D12Binding();
#endif
#if defined(NXT_ENABLE_BACKEND_D3D12)
case BackendType::D3D12:
return CreateD3D12Binding();
#endif
#if defined(NXT_ENABLE_BACKEND_METAL)
case BackendType::Metal:
return CreateMetalBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_METAL)
case BackendType::Metal:
return CreateMetalBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_NULL)
case BackendType::Null:
return CreateNullBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_NULL)
case BackendType::Null:
return CreateNullBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_OPENGL)
case BackendType::OpenGL:
return CreateOpenGLBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_OPENGL)
case BackendType::OpenGL:
return CreateOpenGLBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_VULKAN)
case BackendType::Vulkan:
return CreateVulkanBinding();
#endif
#if defined(NXT_ENABLE_BACKEND_VULKAN)
case BackendType::Vulkan:
return CreateVulkanBinding();
#endif
default:
return nullptr;
}
}
}
} // namespace utils

23
src/utils/BackendBinding.h
View File

@ -32,21 +32,22 @@ namespace utils {
};
class BackendBinding {
public:
virtual ~BackendBinding() = default;
public:
virtual ~BackendBinding() = default;
virtual void SetupGLFWWindowHints() = 0;
virtual void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) = 0;
virtual uint64_t GetSwapChainImplementation() = 0;
virtual nxtTextureFormat GetPreferredSwapChainTextureFormat() = 0;
virtual void SetupGLFWWindowHints() = 0;
virtual void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) = 0;
virtual uint64_t GetSwapChainImplementation() = 0;
virtual nxtTextureFormat GetPreferredSwapChainTextureFormat() = 0;
void SetWindow(GLFWwindow* window);
void SetWindow(GLFWwindow* window);
protected:
GLFWwindow* mWindow = nullptr;
protected:
GLFWwindow* mWindow = nullptr;
};
BackendBinding* CreateBinding(BackendType type);
}
#endif // UTILS_BACKENDBINDING_H_
} // namespace utils
#endif // UTILS_BACKENDBINDING_H_

365
src/utils/D3D12Binding.cpp
View File

@ -22,27 +22,26 @@
#include "GLFW/glfw3.h"
#include "GLFW/glfw3native.h"
#include <initializer_list>
#include <wrl.h>
#include <d3d12.h>
#include <dxgi1_4.h>
#include <wrl.h>
#include <initializer_list>
#ifdef _DEBUG
#include <dxgidebug.h>
#endif
using Microsoft::WRL::ComPtr;
namespace backend {
namespace d3d12 {
namespace backend { namespace d3d12 {
void Init(ComPtr<ID3D12Device> d3d12Device, nxtProcTable* procs, nxtDevice* device);
ComPtr<ID3D12CommandQueue> GetCommandQueue(nxtDevice device);
uint64_t GetSerial(const nxtDevice device);
void NextSerial(nxtDevice device);
void ExecuteCommandLists(nxtDevice device, std::initializer_list<ID3D12CommandList*> commandLists);
void ExecuteCommandLists(nxtDevice device,
std::initializer_list<ID3D12CommandList*> commandLists);
void WaitForSerial(nxtDevice device, uint64_t serial);
void OpenCommandList(nxtDevice device, ComPtr<ID3D12GraphicsCommandList>* commandList);
}
}
}} // namespace backend::d3d12
namespace utils {
namespace {
@ -56,7 +55,8 @@ namespace utils {
uint32_t dxgiFactoryFlags = 0;
#ifdef _DEBUG
// Enable the debug layer (requires the Graphics Tools "optional feature").
// NOTE: Enabling the debug layer after device creation will invalidate the active device.
// NOTE: Enabling the debug layer after device creation will invalidate the active
// device.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController)))) {
@ -68,7 +68,8 @@ namespace utils {
ComPtr<IDXGIDebug1> dxgiDebug;
if (SUCCEEDED(DXGIGetDebugInterface1(0, IID_PPV_ARGS(&dxgiDebug)))) {
dxgiDebug->ReportLiveObjects(DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_FLAGS(DXGI_DEBUG_RLO_ALL));
dxgiDebug->ReportLiveObjects(DXGI_DEBUG_ALL,
DXGI_DEBUG_RLO_FLAGS(DXGI_DEBUG_RLO_ALL));
}
}
#endif
@ -101,7 +102,8 @@ namespace utils {
resourceState |= D3D12_RESOURCE_STATE_COPY_DEST;
}
if (usage & NXT_TEXTURE_USAGE_BIT_SAMPLED) {
resourceState |= (D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE | D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE);
resourceState |= (D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE |
D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE);
}
if (usage & NXT_TEXTURE_USAGE_BIT_STORAGE) {
resourceState |= D3D12_RESOURCE_STATE_UNORDERED_ACCESS;
@ -112,204 +114,205 @@ namespace utils {
return resourceState;
}
}
} // namespace
class SwapChainImplD3D12 : SwapChainImpl {
public:
static nxtSwapChainImplementation Create(HWND window, const nxtProcTable& procs) {
auto impl = GenerateSwapChainImplementation<SwapChainImplD3D12, nxtWSIContextD3D12>();
impl.userData = new SwapChainImplD3D12(window, procs);
return impl;
public:
static nxtSwapChainImplementation Create(HWND window, const nxtProcTable& procs) {
auto impl = GenerateSwapChainImplementation<SwapChainImplD3D12, nxtWSIContextD3D12>();
impl.userData = new SwapChainImplD3D12(window, procs);
return impl;
}
private:
nxtDevice mBackendDevice = nullptr;
nxtProcTable mProcs = {};
static constexpr unsigned int kFrameCount = 2;
HWND mWindow = 0;
ComPtr<IDXGIFactory4> mFactory = {};
ComPtr<ID3D12CommandQueue> mCommandQueue = {};
ComPtr<IDXGISwapChain3> mSwapChain = {};
ComPtr<ID3D12Resource> mRenderTargetResources[kFrameCount] = {};
// Frame synchronization. Updated every frame
uint32_t mRenderTargetIndex = 0;
uint32_t mPreviousRenderTargetIndex = 0;
uint64_t mLastSerialRenderTargetWasUsed[kFrameCount] = {};
D3D12_RESOURCE_STATES mRenderTargetResourceState;
SwapChainImplD3D12(HWND window, nxtProcTable procs)
: mWindow(window), mProcs(procs), mFactory(CreateFactory()) {
}
~SwapChainImplD3D12() {
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
void Init(nxtWSIContextD3D12* ctx) {
mBackendDevice = ctx->device;
mCommandQueue = backend::d3d12::GetCommandQueue(mBackendDevice);
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtTextureUsageBit allowedUsage,
uint32_t width,
uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.Width = width;
swapChainDesc.Height = height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = D3D12SwapChainBufferUsage(allowedUsage);
swapChainDesc.BufferCount = kFrameCount;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
ComPtr<IDXGISwapChain1> swapChain1;
ASSERT_SUCCESS(mFactory->CreateSwapChainForHwnd(
mCommandQueue.Get(), mWindow, &swapChainDesc, nullptr, nullptr, &swapChain1));
ASSERT_SUCCESS(swapChain1.As(&mSwapChain));
for (uint32_t n = 0; n < kFrameCount; ++n) {
ASSERT_SUCCESS(mSwapChain->GetBuffer(n, IID_PPV_ARGS(&mRenderTargetResources[n])));
}
private:
nxtDevice mBackendDevice = nullptr;
nxtProcTable mProcs = {};
// Get the initial render target and arbitrarily choose a "previous" render target
// that's different
mPreviousRenderTargetIndex = mRenderTargetIndex =
mSwapChain->GetCurrentBackBufferIndex();
mPreviousRenderTargetIndex = mRenderTargetIndex == 0 ? 1 : 0;
static constexpr unsigned int kFrameCount = 2;
HWND mWindow = 0;
ComPtr<IDXGIFactory4> mFactory = {};
ComPtr<ID3D12CommandQueue> mCommandQueue = {};
ComPtr<IDXGISwapChain3> mSwapChain = {};
ComPtr<ID3D12Resource> mRenderTargetResources[kFrameCount] = {};
// Frame synchronization. Updated every frame
uint32_t mRenderTargetIndex = 0;
uint32_t mPreviousRenderTargetIndex = 0;
uint64_t mLastSerialRenderTargetWasUsed[kFrameCount] = {};
D3D12_RESOURCE_STATES mRenderTargetResourceState;
SwapChainImplD3D12(HWND window, nxtProcTable procs)
: mWindow(window), mProcs(procs), mFactory(CreateFactory()) {
// Initial the serial for all render targets
const uint64_t initialSerial = backend::d3d12::GetSerial(mBackendDevice);
for (uint32_t n = 0; n < kFrameCount; ++n) {
mLastSerialRenderTargetWasUsed[n] = initialSerial;
}
~SwapChainImplD3D12() {
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
nextTexture->texture = mRenderTargetResources[mRenderTargetIndex].Get();
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
// Current frame already transitioned to Present by the application, but
// we need to flush the D3D12 backend's pending transitions.
mProcs.deviceTick(mBackendDevice);
ASSERT_SUCCESS(mSwapChain->Present(1, 0));
// Transition last frame's render target back to being a render target
if (mRenderTargetResourceState != D3D12_RESOURCE_STATE_PRESENT) {
ComPtr<ID3D12GraphicsCommandList> commandList = {};
backend::d3d12::OpenCommandList(mBackendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource =
mRenderTargetResources[mPreviousRenderTargetIndex].Get();
resourceBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
resourceBarrier.Transition.StateAfter = mRenderTargetResourceState;
resourceBarrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
resourceBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
resourceBarrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
commandList->ResourceBarrier(1, &resourceBarrier);
ASSERT_SUCCESS(commandList->Close());
backend::d3d12::ExecuteCommandLists(mBackendDevice, {commandList.Get()});
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
backend::d3d12::NextSerial(mBackendDevice);
void Init(nxtWSIContextD3D12* ctx) {
mBackendDevice = ctx->device;
mCommandQueue = backend::d3d12::GetCommandQueue(mBackendDevice);
}
mPreviousRenderTargetIndex = mRenderTargetIndex;
mRenderTargetIndex = mSwapChain->GetCurrentBackBufferIndex();
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit allowedUsage,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
// If the next render target is not ready to be rendered yet, wait until it is ready.
// If the last completed serial is less than the last requested serial for this render
// target, then the commands previously executed on this render target have not yet
// completed
backend::d3d12::WaitForSerial(mBackendDevice,
mLastSerialRenderTargetWasUsed[mRenderTargetIndex]);
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.Width = width;
swapChainDesc.Height = height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = D3D12SwapChainBufferUsage(allowedUsage);
swapChainDesc.BufferCount = kFrameCount;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
mLastSerialRenderTargetWasUsed[mRenderTargetIndex] =
backend::d3d12::GetSerial(mBackendDevice);
ComPtr<IDXGISwapChain1> swapChain1;
ASSERT_SUCCESS(mFactory->CreateSwapChainForHwnd(
mCommandQueue.Get(),
mWindow,
&swapChainDesc,
nullptr,
nullptr,
&swapChain1
));
ASSERT_SUCCESS(swapChain1.As(&mSwapChain));
for (uint32_t n = 0; n < kFrameCount; ++n) {
ASSERT_SUCCESS(mSwapChain->GetBuffer(n, IID_PPV_ARGS(&mRenderTargetResources[n])));
}
// Get the initial render target and arbitrarily choose a "previous" render target that's different
mPreviousRenderTargetIndex = mRenderTargetIndex = mSwapChain->GetCurrentBackBufferIndex();
mPreviousRenderTargetIndex = mRenderTargetIndex == 0 ? 1 : 0;
// Initial the serial for all render targets
const uint64_t initialSerial = backend::d3d12::GetSerial(mBackendDevice);
for (uint32_t n = 0; n < kFrameCount; ++n) {
mLastSerialRenderTargetWasUsed[n] = initialSerial;
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
nextTexture->texture = mRenderTargetResources[mRenderTargetIndex].Get();
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
// Current frame already transitioned to Present by the application, but
// we need to flush the D3D12 backend's pending transitions.
mProcs.deviceTick(mBackendDevice);
ASSERT_SUCCESS(mSwapChain->Present(1, 0));
// Transition last frame's render target back to being a render target
if (mRenderTargetResourceState != D3D12_RESOURCE_STATE_PRESENT) {
ComPtr<ID3D12GraphicsCommandList> commandList = {};
backend::d3d12::OpenCommandList(mBackendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource = mRenderTargetResources[mPreviousRenderTargetIndex].Get();
resourceBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
resourceBarrier.Transition.StateAfter = mRenderTargetResourceState;
resourceBarrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
resourceBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
resourceBarrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
commandList->ResourceBarrier(1, &resourceBarrier);
ASSERT_SUCCESS(commandList->Close());
backend::d3d12::ExecuteCommandLists(mBackendDevice, { commandList.Get() });
}
backend::d3d12::NextSerial(mBackendDevice);
mPreviousRenderTargetIndex = mRenderTargetIndex;
mRenderTargetIndex = mSwapChain->GetCurrentBackBufferIndex();
// If the next render target is not ready to be rendered yet, wait until it is ready.
// If the last completed serial is less than the last requested serial for this render target,
// then the commands previously executed on this render target have not yet completed
backend::d3d12::WaitForSerial(mBackendDevice, mLastSerialRenderTargetWasUsed[mRenderTargetIndex]);
mLastSerialRenderTargetWasUsed[mRenderTargetIndex] = backend::d3d12::GetSerial(mBackendDevice);
return NXT_SWAP_CHAIN_NO_ERROR;
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
};
class D3D12Binding : public BackendBinding {
public:
void SetupGLFWWindowHints() override {
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
public:
void SetupGLFWWindowHints() override {
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
mFactory = CreateFactory();
ASSERT(GetHardwareAdapter(mFactory.Get(), &mHardwareAdapter));
ASSERT_SUCCESS(D3D12CreateDevice(mHardwareAdapter.Get(), D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&mD3d12Device)));
backend::d3d12::Init(mD3d12Device, procs, device);
mBackendDevice = *device;
mProcTable = *procs;
}
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
HWND win32Window = glfwGetWin32Window(mWindow);
mSwapchainImpl = SwapChainImplD3D12::Create(win32Window, mProcTable);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
mFactory = CreateFactory();
ASSERT(GetHardwareAdapter(mFactory.Get(), &mHardwareAdapter));
ASSERT_SUCCESS(D3D12CreateDevice(
mHardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&mD3d12Device)
));
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
backend::d3d12::Init(mD3d12Device, procs, device);
mBackendDevice = *device;
mProcTable = *procs;
}
private:
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
nxtProcTable mProcTable = {};
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
HWND win32Window = glfwGetWin32Window(mWindow);
mSwapchainImpl = SwapChainImplD3D12::Create(win32Window, mProcTable);
// Initialization
ComPtr<IDXGIFactory4> mFactory;
ComPtr<IDXGIAdapter1> mHardwareAdapter;
ComPtr<ID3D12Device> mD3d12Device;
static bool GetHardwareAdapter(IDXGIFactory4* factory, IDXGIAdapter1** hardwareAdapter) {
*hardwareAdapter = nullptr;
for (uint32_t adapterIndex = 0;; ++adapterIndex) {
IDXGIAdapter1* adapter = nullptr;
if (factory->EnumAdapters1(adapterIndex, &adapter) == DXGI_ERROR_NOT_FOUND) {
break; // No more adapters to enumerate.
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
private:
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
nxtProcTable mProcTable = {};
// Initialization
ComPtr<IDXGIFactory4> mFactory;
ComPtr<IDXGIAdapter1> mHardwareAdapter;
ComPtr<ID3D12Device> mD3d12Device;
static bool GetHardwareAdapter(IDXGIFactory4* factory, IDXGIAdapter1** hardwareAdapter) {
*hardwareAdapter = nullptr;
for (uint32_t adapterIndex = 0; ; ++adapterIndex) {
IDXGIAdapter1* adapter = nullptr;
if (factory->EnumAdapters1(adapterIndex, &adapter) == DXGI_ERROR_NOT_FOUND) {
break; // No more adapters to enumerate.
}
// Check to see if the adapter supports Direct3D 12, but don't create the actual device yet.
if (SUCCEEDED(D3D12CreateDevice(adapter, D3D_FEATURE_LEVEL_11_0, _uuidof(ID3D12Device), nullptr))) {
*hardwareAdapter = adapter;
return true;
}
adapter->Release();
// Check to see if the adapter supports Direct3D 12, but don't create the actual
// device yet.
if (SUCCEEDED(D3D12CreateDevice(adapter, D3D_FEATURE_LEVEL_11_0,
_uuidof(ID3D12Device), nullptr))) {
*hardwareAdapter = adapter;
return true;
}
return false;
adapter->Release();
}
return false;
}
};
BackendBinding* CreateD3D12Binding() {
return new D3D12Binding;
}
}
} // namespace utils

188
src/utils/MetalBinding.mm
View File

@ -22,132 +22,130 @@
#include "GLFW/glfw3.h"
#include "GLFW/glfw3native.h"
#import <QuartzCore/CAMetalLayer.h>
#import <Metal/Metal.h>
#import <QuartzCore/CAMetalLayer.h>
namespace backend {
namespace metal {
namespace backend { namespace metal {
void Init(id<MTLDevice> metalDevice, nxtProcTable* procs, nxtDevice* device);
void SetNextDrawable(nxtDevice device, id<CAMetalDrawable> drawable);
void Present(nxtDevice device);
}
}
}}
namespace utils {
class SwapChainImplMTL : SwapChainImpl {
public:
static nxtSwapChainImplementation Create(id nswindow) {
auto impl = GenerateSwapChainImplementation<SwapChainImplMTL, nxtWSIContextMetal>();
impl.userData = new SwapChainImplMTL(nswindow);
return impl;
public:
static nxtSwapChainImplementation Create(id nswindow) {
auto impl = GenerateSwapChainImplementation<SwapChainImplMTL, nxtWSIContextMetal>();
impl.userData = new SwapChainImplMTL(nswindow);
return impl;
}
private:
id mNsWindow = nil;
id<MTLDevice> mMtlDevice = nil;
id<MTLCommandQueue> mCommandQueue = nil;
CAMetalLayer* mLayer = nullptr;
id<CAMetalDrawable> mCurrentDrawable = nil;
id<MTLTexture> mCurrentTexture = nil;
SwapChainImplMTL(id nsWindow) : mNsWindow(nsWindow) {
}
~SwapChainImplMTL() {
[mCurrentTexture release];
[mCurrentDrawable release];
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
void Init(nxtWSIContextMetal* ctx) {
mMtlDevice = ctx->device;
mCommandQueue = [mMtlDevice newCommandQueue];
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtTextureUsageBit,
uint32_t width,
uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_B8_G8_R8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
private:
id mNsWindow = nil;
id<MTLDevice> mMtlDevice = nil;
id<MTLCommandQueue> mCommandQueue = nil;
NSView* contentView = [mNsWindow contentView];
[contentView setWantsLayer:YES];
CAMetalLayer* mLayer = nullptr;
id<CAMetalDrawable> mCurrentDrawable = nil;
id<MTLTexture> mCurrentTexture = nil;
CGSize size = {};
size.width = width;
size.height = height;
SwapChainImplMTL(id nsWindow)
: mNsWindow(nsWindow) {
}
mLayer = [CAMetalLayer layer];
[mLayer setDevice:mMtlDevice];
[mLayer setPixelFormat:MTLPixelFormatBGRA8Unorm];
[mLayer setFramebufferOnly:YES];
[mLayer setDrawableSize:size];
~SwapChainImplMTL() {
[mCurrentTexture release];
[mCurrentDrawable release];
}
[contentView setLayer:mLayer];
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
return NXT_SWAP_CHAIN_NO_ERROR;
}
void Init(nxtWSIContextMetal* ctx) {
mMtlDevice = ctx->device;
mCommandQueue = [mMtlDevice newCommandQueue];
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
[mCurrentDrawable release];
mCurrentDrawable = [mLayer nextDrawable];
[mCurrentDrawable retain];
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_B8_G8_R8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
[mCurrentTexture release];
mCurrentTexture = mCurrentDrawable.texture;
[mCurrentTexture retain];
NSView* contentView = [mNsWindow contentView];
[contentView setWantsLayer: YES];
nextTexture->texture = reinterpret_cast<void*>(mCurrentTexture);
CGSize size = {};
size.width = width;
size.height = height;
return NXT_SWAP_CHAIN_NO_ERROR;
}
mLayer = [CAMetalLayer layer];
[mLayer setDevice: mMtlDevice];
[mLayer setPixelFormat: MTLPixelFormatBGRA8Unorm];
[mLayer setFramebufferOnly: YES];
[mLayer setDrawableSize: size];
nxtSwapChainError Present() {
id<MTLCommandBuffer> commandBuffer = [mCommandQueue commandBuffer];
[commandBuffer presentDrawable:mCurrentDrawable];
[commandBuffer commit];
[contentView setLayer: mLayer];
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
[mCurrentDrawable release];
mCurrentDrawable = [mLayer nextDrawable];
[mCurrentDrawable retain];
[mCurrentTexture release];
mCurrentTexture = mCurrentDrawable.texture;
[mCurrentTexture retain];
nextTexture->texture = reinterpret_cast<void*>(mCurrentTexture);
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
id<MTLCommandBuffer> commandBuffer = [mCommandQueue commandBuffer];
[commandBuffer presentDrawable: mCurrentDrawable];
[commandBuffer commit];
return NXT_SWAP_CHAIN_NO_ERROR;
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
};
class MetalBinding : public BackendBinding {
public:
void SetupGLFWWindowHints() override {
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
mMetalDevice = MTLCreateSystemDefaultDevice();
public:
void SetupGLFWWindowHints() override {
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
mMetalDevice = MTLCreateSystemDefaultDevice();
backend::metal::Init(mMetalDevice, procs, device);
mBackendDevice = *device;
}
backend::metal::Init(mMetalDevice, procs, device);
mBackendDevice = *device;
}
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplMTL::Create(glfwGetCocoaWindow(mWindow));
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplMTL::Create(glfwGetCocoaWindow(mWindow));
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_B8_G8_R8_A8_UNORM;
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_B8_G8_R8_A8_UNORM;
}
private:
id<MTLDevice> mMetalDevice = nil;
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
private:
id<MTLDevice> mMetalDevice = nil;
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
};
BackendBinding* CreateMetalBinding() {
return new MetalBinding;
}
}

26
src/utils/NXTHelpers.cpp
View File

@ -25,7 +25,9 @@
namespace utils {
void FillShaderModuleBuilder(const nxt::ShaderModuleBuilder& builder, nxt::ShaderStage stage, const char* source) {
void FillShaderModuleBuilder(const nxt::ShaderModuleBuilder& builder,
nxt::ShaderStage stage,
const char* source) {
shaderc::Compiler compiler;
shaderc::CompileOptions options;
@ -60,7 +62,8 @@ namespace utils {
#ifdef DUMP_SPIRV_ASSEMBLY
{
auto resultAsm = compiler.CompileGlslToSpvAssembly(source, strlen(source), kind, "myshader?", options);
auto resultAsm = compiler.CompileGlslToSpvAssembly(source, strlen(source), kind,
"myshader?", options);
size_t sizeAsm = (resultAsm.cend() - resultAsm.cbegin());
char* buffer = reinterpret_cast<char*>(malloc(sizeAsm + 1));
@ -86,21 +89,26 @@ namespace utils {
#endif
}
nxt::ShaderModule CreateShaderModule(const nxt::Device& device, nxt::ShaderStage stage, const char* source) {
nxt::ShaderModule CreateShaderModule(const nxt::Device& device,
nxt::ShaderStage stage,
const char* source) {
nxt::ShaderModuleBuilder builder = device.CreateShaderModuleBuilder();
FillShaderModuleBuilder(builder, stage, source);
return builder.GetResult();
}
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device, const void* data, uint32_t size, nxt::BufferUsageBit usage) {
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device,
const void* data,
uint32_t size,
nxt::BufferUsageBit usage) {
nxt::Buffer buffer = device.CreateBufferBuilder()
.SetAllowedUsage(nxt::BufferUsageBit::TransferDst | usage)
.SetInitialUsage(nxt::BufferUsageBit::TransferDst)
.SetSize(size)
.GetResult();
.SetAllowedUsage(nxt::BufferUsageBit::TransferDst | usage)
.SetInitialUsage(nxt::BufferUsageBit::TransferDst)
.SetSize(size)
.GetResult();
buffer.SetSubData(0, size / sizeof(uint32_t), reinterpret_cast<const uint32_t*>(data));
buffer.FreezeUsage(usage);
return buffer;
}
}
} // namespace utils

25
src/utils/NXTHelpers.h
View File

@ -18,12 +18,23 @@
namespace utils {
void FillShaderModuleBuilder(const nxt::ShaderModuleBuilder& builder, nxt::ShaderStage stage, const char* source);
nxt::ShaderModule CreateShaderModule(const nxt::Device& device, nxt::ShaderStage stage, const char* source);
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device, const void* data, uint32_t size, nxt::BufferUsageBit usage);
void FillShaderModuleBuilder(const nxt::ShaderModuleBuilder& builder,
nxt::ShaderStage stage,
const char* source);
nxt::ShaderModule CreateShaderModule(const nxt::Device& device,
nxt::ShaderStage stage,
const char* source);
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device,
const void* data,
uint32_t size,
nxt::BufferUsageBit usage);
template<typename T>
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device, nxt::BufferUsageBit usage, std::initializer_list<T> data) {
return CreateFrozenBufferFromData(device, data.begin(), uint32_t(sizeof(T) * data.size()), usage);
template <typename T>
nxt::Buffer CreateFrozenBufferFromData(const nxt::Device& device,
nxt::BufferUsageBit usage,
std::initializer_list<T> data) {
return CreateFrozenBufferFromData(device, data.begin(), uint32_t(sizeof(T) * data.size()),
usage);
}
}
} // namespace utils

35
src/utils/NullBinding.cpp
View File

@ -14,32 +14,29 @@
#include "utils/BackendBinding.h"
namespace backend {
namespace null {
void Init(nxtProcTable* procs, nxtDevice* device);
}
}
namespace backend { namespace null {
void Init(nxtProcTable* procs, nxtDevice* device);
}} // namespace backend::null
namespace utils {
class NullBinding : public BackendBinding {
public:
void SetupGLFWWindowHints() override {
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
backend::null::Init(procs, device);
}
uint64_t GetSwapChainImplementation() override {
return 0;
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
public:
void SetupGLFWWindowHints() override {
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
backend::null::Init(procs, device);
}
uint64_t GetSwapChainImplementation() override {
return 0;
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
};
BackendBinding* CreateNullBinding() {
return new NullBinding;
}
}
} // namespace utils

203
src/utils/OpenGLBinding.cpp
View File

@ -19,130 +19,131 @@
#include "nxt/nxt_wsi.h"
#include "utils/SwapChainImpl.h"
#include <cstdio>
// Glad needs to be included before GLFW otherwise it complain that GL.h was already included
#include "glad/glad.h"
#include <cstdio>
#include "GLFW/glfw3.h"
namespace backend {
namespace opengl {
void Init(void* (*getProc)(const char*), nxtProcTable* procs, nxtDevice* device);
}
}
namespace backend { namespace opengl {
void Init(void* (*getProc)(const char*), nxtProcTable* procs, nxtDevice* device);
}} // namespace backend::opengl
namespace utils {
class SwapChainImplGL : SwapChainImpl {
public:
static nxtSwapChainImplementation Create(GLFWwindow* window) {
auto impl = GenerateSwapChainImplementation<SwapChainImplGL, nxtWSIContextGL>();
impl.userData = new SwapChainImplGL(window);
return impl;
public:
static nxtSwapChainImplementation Create(GLFWwindow* window) {
auto impl = GenerateSwapChainImplementation<SwapChainImplGL, nxtWSIContextGL>();
impl.userData = new SwapChainImplGL(window);
return impl;
}
private:
GLFWwindow* mWindow = nullptr;
uint32_t mWidth = 0;
uint32_t mHeight = 0;
GLuint mBackFBO = 0;
GLuint mBackTexture = 0;
SwapChainImplGL(GLFWwindow* window) : mWindow(window) {
}
~SwapChainImplGL() {
glDeleteTextures(1, &mBackTexture);
glDeleteFramebuffers(1, &mBackFBO);
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
void Init(nxtWSIContextGL*) {
glGenTextures(1, &mBackTexture);
glBindTexture(GL_TEXTURE_2D, mBackTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glGenFramebuffers(1, &mBackFBO);
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
mBackTexture, 0);
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtTextureUsageBit,
uint32_t width,
uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
mWidth = width;
mHeight = height;
private:
GLFWwindow* mWindow = nullptr;
uint32_t mWidth = 0;
uint32_t mHeight = 0;
GLuint mBackFBO = 0;
GLuint mBackTexture = 0;
glBindTexture(GL_TEXTURE_2D, mBackTexture);
// Reallocate the texture
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
SwapChainImplGL(GLFWwindow* window)
: mWindow(window) {
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
~SwapChainImplGL() {
glDeleteTextures(1, &mBackTexture);
glDeleteFramebuffers(1, &mBackFBO);
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
nextTexture->texture = reinterpret_cast<void*>(static_cast<size_t>(mBackTexture));
return NXT_SWAP_CHAIN_NO_ERROR;
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
nxtSwapChainError Present() {
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlitFramebuffer(0, 0, mWidth, mHeight, 0, 0, mWidth, mHeight, GL_COLOR_BUFFER_BIT,
GL_NEAREST);
glfwSwapBuffers(mWindow);
void Init(nxtWSIContextGL*) {
glGenTextures(1, &mBackTexture);
glBindTexture(GL_TEXTURE_2D, mBackTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 0, 0, 0,
GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glGenFramebuffers(1, &mBackFBO);
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, mBackTexture, 0);
}
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
mWidth = width;
mHeight = height;
glBindTexture(GL_TEXTURE_2D, mBackTexture);
// Reallocate the texture
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
nextTexture->texture = reinterpret_cast<void*>(static_cast<size_t>(mBackTexture));
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlitFramebuffer(0, 0, mWidth, mHeight, 0, 0, mWidth, mHeight,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glfwSwapBuffers(mWindow);
return NXT_SWAP_CHAIN_NO_ERROR;
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
};
class OpenGLBinding : public BackendBinding {
public:
void SetupGLFWWindowHints() override {
#if defined(NXT_PLATFORM_APPLE)
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 4);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
glfwMakeContextCurrent(mWindow);
backend::opengl::Init(reinterpret_cast<void*(*)(const char*)>(glfwGetProcAddress), procs, device);
public:
void SetupGLFWWindowHints() override {
#if defined(NXT_PLATFORM_APPLE)
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 4);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
glfwMakeContextCurrent(mWindow);
backend::opengl::Init(reinterpret_cast<void* (*)(const char*)>(glfwGetProcAddress),
procs, device);
mBackendDevice = *device;
}
mBackendDevice = *device;
}
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplGL::Create(mWindow);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplGL::Create(mWindow);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
private:
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
private:
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
};
BackendBinding* CreateOpenGLBinding() {
return new OpenGLBinding;
}
}
} // namespace utils

49
src/utils/SwapChainImpl.h
View File

@ -17,30 +17,29 @@
namespace utils {
class SwapChainImpl {
protected:
template<class TImpl, typename TWSIContext>
static nxtSwapChainImplementation GenerateSwapChainImplementation() {
nxtSwapChainImplementation impl = {};
impl.Init = [](void* userData, void* wsiContext) {
auto* ctx = reinterpret_cast<TWSIContext*>(wsiContext);
reinterpret_cast<TImpl*>(userData)->Init(ctx);
};
impl.Destroy = [](void* userData) {
delete reinterpret_cast<TImpl*>(userData);
};
impl.Configure = [](void* userData, nxtTextureFormat format, nxtTextureUsageBit allowedUsage, uint32_t width, uint32_t height) {
return reinterpret_cast<TImpl*>(userData)->Configure(format, allowedUsage, width, height);
};
impl.GetNextTexture = [](void* userData, nxtSwapChainNextTexture* nextTexture) {
return reinterpret_cast<TImpl*>(userData)->GetNextTexture(
nextTexture);
};
impl.Present = [](void* userData) {
return reinterpret_cast<TImpl*>(userData)->Present();
};
return impl;
}
protected:
template <class TImpl, typename TWSIContext>
static nxtSwapChainImplementation GenerateSwapChainImplementation() {
nxtSwapChainImplementation impl = {};
impl.Init = [](void* userData, void* wsiContext) {
auto* ctx = reinterpret_cast<TWSIContext*>(wsiContext);
reinterpret_cast<TImpl*>(userData)->Init(ctx);
};
impl.Destroy = [](void* userData) { delete reinterpret_cast<TImpl*>(userData); };
impl.Configure = [](void* userData, nxtTextureFormat format,
nxtTextureUsageBit allowedUsage, uint32_t width, uint32_t height) {
return reinterpret_cast<TImpl*>(userData)->Configure(format, allowedUsage, width,
height);
};
impl.GetNextTexture = [](void* userData, nxtSwapChainNextTexture* nextTexture) {
return reinterpret_cast<TImpl*>(userData)->GetNextTexture(nextTexture);
};
impl.Present = [](void* userData) {
return reinterpret_cast<TImpl*>(userData)->Present();
};
return impl;
}
};
}
} // namespace utils
#endif // UTILS_SWAPCHAINIMPL_H_
#endif // UTILS_SWAPCHAINIMPL_H_

30
src/utils/SystemUtils.cpp
View File

@ -15,25 +15,25 @@
#include "common/Platform.h"
#if defined(NXT_PLATFORM_WINDOWS)
#include <Windows.h>
# include <Windows.h>
#elif defined(NXT_PLATFORM_POSIX)
#include <unistd.h>
# include <unistd.h>
#else
#error "Unsupported platform."
# error "Unsupported platform."
#endif
namespace utils {
#if defined(NXT_PLATFORM_WINDOWS)
void USleep(unsigned int usecs) {
Sleep(static_cast<DWORD>(usecs / 1000));
}
#elif defined(NXT_PLATFORM_POSIX)
void USleep(unsigned int usecs) {
usleep(usecs);
}
#else
#error "Implement USleep for your platform."
#endif
#if defined(NXT_PLATFORM_WINDOWS)
void USleep(unsigned int usecs) {
Sleep(static_cast<DWORD>(usecs / 1000));
}
#elif defined(NXT_PLATFORM_POSIX)
void USleep(unsigned int usecs) {
usleep(usecs);
}
#else
# error "Implement USleep for your platform."
#endif
}
} // namespace utils

1
src/utils/SystemUtils.h
View File

@ -15,5 +15,4 @@
namespace utils {
void USleep(unsigned int usecs);
}

94
src/utils/VulkanBinding.cpp
View File

@ -17,75 +17,71 @@
#include "nxt/nxt_wsi.h"
#include "utils/SwapChainImpl.h"
namespace backend {
namespace vulkan {
void Init(nxtProcTable* procs, nxtDevice* device);
}
}
namespace backend { namespace vulkan {
void Init(nxtProcTable* procs, nxtDevice* device);
}} // namespace backend::vulkan
namespace utils {
class SwapChainImplVulkan : SwapChainImpl {
public:
static nxtSwapChainImplementation Create(GLFWwindow* window) {
auto impl = GenerateSwapChainImplementation<SwapChainImplVulkan, nxtWSIContextVulkan>();
impl.userData = new SwapChainImplVulkan(window);
return impl;
}
public:
static nxtSwapChainImplementation Create(GLFWwindow* window) {
auto impl = GenerateSwapChainImplementation<SwapChainImplVulkan, nxtWSIContextVulkan>();
impl.userData = new SwapChainImplVulkan(window);
return impl;
}
private:
GLFWwindow* window = nullptr;
private:
GLFWwindow* window = nullptr;
SwapChainImplVulkan(GLFWwindow* window)
: window(window) {
}
SwapChainImplVulkan(GLFWwindow* window) : window(window) {
}
~SwapChainImplVulkan() {
}
~SwapChainImplVulkan() {
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
void Init(nxtWSIContextVulkan*) {
}
void Init(nxtWSIContextVulkan*) {
}
nxtSwapChainError Configure(nxtTextureFormat, nxtTextureUsageBit, uint32_t, uint32_t) {
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Configure(nxtTextureFormat, nxtTextureUsageBit, uint32_t, uint32_t) {
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture*) {
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture*) {
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
return NXT_SWAP_CHAIN_NO_ERROR;
}
};
class VulkanBinding : public BackendBinding {
public:
void SetupGLFWWindowHints() override {
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
backend::vulkan::Init(procs, device);
}
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplVulkan::Create(mWindow);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
public:
void SetupGLFWWindowHints() override {
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
backend::vulkan::Init(procs, device);
}
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplVulkan::Create(mWindow);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
private:
nxtSwapChainImplementation mSwapchainImpl = {};
private:
nxtSwapChainImplementation mSwapchainImpl = {};
};
BackendBinding* CreateVulkanBinding() {
return new VulkanBinding;
}
}
} // namespace utils

6
src/wire/TerribleCommandBuffer.cpp
View File

@ -14,8 +14,7 @@
#include "wire/TerribleCommandBuffer.h"
namespace nxt {
namespace wire {
namespace nxt { namespace wire {
TerribleCommandBuffer::TerribleCommandBuffer() {
}
@ -48,5 +47,4 @@ namespace wire {
mOffset = 0;
}
}
}
}} // namespace nxt::wire

16
src/wire/TerribleCommandBuffer.h
View File

@ -19,11 +19,10 @@
#include "wire/Wire.h"
namespace nxt {
namespace wire {
namespace nxt { namespace wire {
class TerribleCommandBuffer : public CommandSerializer {
public:
class TerribleCommandBuffer : public CommandSerializer {
public:
TerribleCommandBuffer();
TerribleCommandBuffer(CommandHandler* handler);
@ -32,13 +31,12 @@ class TerribleCommandBuffer : public CommandSerializer {
void* GetCmdSpace(size_t size) override;
void Flush() override;
private:
private:
CommandHandler* mHandler = nullptr;
size_t mOffset = 0;
uint8_t mBuffer[10000000];
};
};
}
}
}} // namespace nxt::wire
#endif // WIRE_TERRIBLE_COMMAND_BUFFER_H_
#endif // WIRE_TERRIBLE_COMMAND_BUFFER_H_

30
src/wire/Wire.h
View File

@ -19,26 +19,28 @@
#include "nxt/nxt.h"
namespace nxt {
namespace wire {
namespace nxt { namespace wire {
class CommandSerializer {
public:
virtual ~CommandSerializer() = default;
virtual void* GetCmdSpace(size_t size) = 0;
virtual void Flush() = 0;
public:
virtual ~CommandSerializer() = default;
virtual void* GetCmdSpace(size_t size) = 0;
virtual void Flush() = 0;
};
class CommandHandler {
public:
virtual ~CommandHandler() = default;
virtual const uint8_t* HandleCommands(const uint8_t* commands, size_t size) = 0;
public:
virtual ~CommandHandler() = default;
virtual const uint8_t* HandleCommands(const uint8_t* commands, size_t size) = 0;
};
CommandHandler* NewClientDevice(nxtProcTable* procs, nxtDevice* device, CommandSerializer* serializer);
CommandHandler* NewServerCommandHandler(nxtDevice device, const nxtProcTable& procs, CommandSerializer* serializer);
CommandHandler* NewClientDevice(nxtProcTable* procs,
nxtDevice* device,
CommandSerializer* serializer);
CommandHandler* NewServerCommandHandler(nxtDevice device,
const nxtProcTable& procs,
CommandSerializer* serializer);
}
}
}} // namespace nxt::wire
#endif // WIRE_WIRE_H_
#endif // WIRE_WIRE_H_

6
src/wire/WireCmd.cpp
View File

@ -14,8 +14,7 @@
#include "wire/WireCmd.h"
namespace nxt {
namespace wire {
namespace nxt { namespace wire {
size_t ReturnDeviceErrorCallbackCmd::GetRequiredSize() const {
return sizeof(*this) + messageStrlen + 1;
@ -45,5 +44,4 @@ namespace wire {
return this + 1;
}
}
}
}} // namespace nxt::wire

8
src/wire/WireCmd.h
View File

@ -17,8 +17,7 @@
#include "wire/WireCmd_autogen.h"
namespace nxt {
namespace wire {
namespace nxt { namespace wire {
struct ReturnDeviceErrorCallbackCmd {
wire::ReturnWireCmd commandId = ReturnWireCmd::DeviceErrorCallback;
@ -55,7 +54,6 @@ namespace wire {
const void* GetData() const;
};
}
}
}} // namespace nxt::wire
#endif // WIRE_WIRECMD_H_
#endif // WIRE_WIRECMD_H_