mirror of
https://github.com/Blinue/Magpie.git
synced 2026-06-24 02:04:10 +00:00
1745 lines
40 KiB
C++
1745 lines
40 KiB
C++
#include "pch.h"
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#include "EffectCompiler.h"
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#include <unordered_set>
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#include "Utils.h"
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#include <bitset>
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#include <charconv>
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#include "EffectCacheManager.h"
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#include "StrUtils.h"
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#include "App.h"
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#include "DeviceResources.h"
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#include "Logger.h"
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#include <bit> // std::has_single_bit
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#include "Config.h"
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static const char* META_INDICATOR = "//!";
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static const wchar_t* SAVE_SOURCE_DIR = L".\\sources";
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class PassInclude : public ID3DInclude {
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public:
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HRESULT CALLBACK Open(
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D3D_INCLUDE_TYPE IncludeType,
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LPCSTR pFileName,
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LPCVOID pParentData,
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LPCVOID* ppData,
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UINT* pBytes
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) override {
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std::wstring relativePath = StrUtils::ConcatW(L"effects\\", StrUtils::UTF8ToUTF16(pFileName));
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std::string file;
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if (!Utils::ReadTextFile(relativePath.c_str(), file)) {
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return E_FAIL;
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}
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char* result = new char[file.size()];
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std::memcpy(result, file.data(), file.size());
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*ppData = result;
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*pBytes = (UINT)file.size();
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return S_OK;
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}
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HRESULT CALLBACK Close(LPCVOID pData) override {
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delete[](char*)pData;
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return S_OK;
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}
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};
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UINT RemoveComments(std::string& source) {
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// 确保以换行符结尾
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if (source.back() != '\n') {
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source.push_back('\n');
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}
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std::string result;
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result.reserve(source.size());
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int j = 0;
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// 单独处理最后两个字符
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for (size_t i = 0, end = source.size() - 2; i < end; ++i) {
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if (source[i] == '/') {
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if (source[i + 1] == '/' && source[i + 2] != '!') {
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// 行注释
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i += 2;
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// 无需处理越界，因为必定以换行符结尾
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while (source[i] != '\n') {
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++i;
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}
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// 保留换行符
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source[j++] = '\n';
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continue;
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} else if (source[i + 1] == '*') {
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// 块注释
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i += 2;
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while (true) {
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if (++i >= source.size()) {
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// 未闭合
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return 1;
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}
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if (source[i - 1] == '*' && source[i] == '/') {
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break;
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}
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}
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// 文件结尾
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if (i >= source.size() - 2) {
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source.resize(j);
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return 0;
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}
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continue;
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}
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}
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source[j++] = source[i];
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}
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// 无需复制最后的换行符
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source[j++] = source[source.size() - 2];
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source.resize(j);
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return 0;
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}
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template<bool IncludeNewLine>
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static void RemoveLeadingBlanks(std::string_view& source) {
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size_t i = 0;
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for (; i < source.size(); ++i) {
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if constexpr (IncludeNewLine) {
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if (!StrUtils::isspace(source[i])) {
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break;
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}
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} else {
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char c = source[i];
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if (c != ' ' && c != '\t') {
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break;
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}
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}
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}
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source.remove_prefix(i);
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}
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template<bool AllowNewLine>
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static bool CheckNextToken(std::string_view& source, std::string_view token) {
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RemoveLeadingBlanks<AllowNewLine>(source);
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if (!source.starts_with(token)) {
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return false;
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}
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source.remove_prefix(token.size());
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return true;
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}
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template<bool AllowNewLine>
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static UINT GetNextToken(std::string_view& source, std::string_view& value) {
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RemoveLeadingBlanks<AllowNewLine>(source);
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if (source.empty()) {
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return 2;
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}
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char cur = source[0];
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if (StrUtils::isalpha(cur) || cur == '_') {
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size_t j = 1;
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for (; j < source.size(); ++j) {
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cur = source[j];
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if (!StrUtils::isalnum(cur) && cur != '_') {
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break;
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}
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}
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value = source.substr(0, j);
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source.remove_prefix(j);
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return 0;
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}
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if constexpr (AllowNewLine) {
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return 1;
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} else {
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return cur == '\n' ? 2 : 1;
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}
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}
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bool CheckMagic(std::string_view& source) {
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std::string_view token;
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if (!CheckNextToken<true>(source, META_INDICATOR)) {
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return false;
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}
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if (!CheckNextToken<false>(source, "MAGPIE")) {
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return false;
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}
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if (!CheckNextToken<false>(source, "EFFECT")) {
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return false;
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}
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if (GetNextToken<false>(source, token) != 2) {
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return false;
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}
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if (source.empty()) {
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return false;
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}
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return true;
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}
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UINT GetNextString(std::string_view& source, std::string_view& value) {
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RemoveLeadingBlanks<false>(source);
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size_t pos = source.find('\n');
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value = source.substr(0, pos);
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StrUtils::Trim(value);
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if (value.empty()) {
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return 1;
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}
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source.remove_prefix(std::min(pos + 1, source.size()));
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return 0;
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}
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template<typename T>
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static UINT GetNextNumber(std::string_view& source, T& value) {
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RemoveLeadingBlanks<false>(source);
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if (source.empty()) {
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return 1;
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}
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const auto& result = std::from_chars(source.data(), source.data() + source.size(), value);
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if ((int)result.ec) {
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return 1;
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}
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// 解析成功
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source.remove_prefix(result.ptr - source.data());
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return 0;
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}
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UINT GetNextExpr(std::string_view& source, std::string& expr) {
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RemoveLeadingBlanks<false>(source);
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size_t size = std::min(source.find('\n') + 1, source.size());
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// 移除空白字符
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expr.resize(size);
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size_t j = 0;
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for (size_t i = 0; i < size; ++i) {
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char c = source[i];
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if (!isspace(c)) {
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expr[j++] = c;
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}
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}
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expr.resize(j);
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if (expr.empty()) {
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return 1;
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}
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source.remove_prefix(size);
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return 0;
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}
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UINT ResolveHeader(std::string_view block, EffectDesc& desc) {
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// 必需的选项：VERSION
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// 可选的选项：OUTPUT_WIDTH，OUTPUT_HEIGHT，USE_DYNAMIC
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std::bitset<4> processed;
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std::string_view token;
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while (true) {
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if (!CheckNextToken<true>(block, META_INDICATOR)) {
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break;
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}
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if (GetNextToken<false>(block, token)) {
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return 1;
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}
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std::string t = StrUtils::ToUpperCase(token);
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if (t == "VERSION") {
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if (processed[0]) {
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return 1;
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}
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processed[0] = true;
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UINT version;
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if (GetNextNumber(block, version)) {
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return 1;
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}
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if (version != EffectCompiler::VERSION) {
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return 1;
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}
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if (GetNextToken<false>(block, token) != 2) {
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return 1;
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}
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} else if (t == "OUTPUT_WIDTH") {
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if (processed[1]) {
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return 1;
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}
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processed[1] = true;
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if (GetNextExpr(block, desc.outSizeExpr.first)) {
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return 1;
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}
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} else if (t == "OUTPUT_HEIGHT") {
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if (processed[2]) {
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return 1;
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}
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processed[2] = true;
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if (GetNextExpr(block, desc.outSizeExpr.second)) {
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return 1;
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}
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} else if (t == "USE_DYNAMIC") {
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if (processed[3]) {
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return 1;
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}
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processed[3] = true;
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if (GetNextToken<false>(block, token) != 2) {
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return 1;
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}
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desc.isUseDynamic = true;
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} else {
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return 1;
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}
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}
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// HEADER 块不含代码部分
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if (GetNextToken<true>(block, token) != 2) {
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return 1;
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}
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if (!processed[0] || (processed[1] ^ processed[2])) {
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return 1;
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}
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return 0;
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}
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UINT ResolveParameter(std::string_view block, EffectDesc& desc) {
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// 必需的选项：DEFAULT
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// 可选的选项：LABEL，MIN，MAX
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std::bitset<4> processed;
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std::string_view token;
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if (!CheckNextToken<true>(block, META_INDICATOR)) {
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return 1;
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}
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if (!CheckNextToken<false>(block, "PARAMETER")) {
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return 1;
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}
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if (GetNextToken<false>(block, token) != 2) {
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return 1;
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}
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EffectParameterDesc& paramDesc = desc.params.emplace_back();
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std::string_view defaultValue;
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std::string_view minValue;
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std::string_view maxValue;
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while (true) {
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if (!CheckNextToken<true>(block, META_INDICATOR)) {
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break;
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}
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if (GetNextToken<false>(block, token)) {
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return 1;
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}
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std::string t = StrUtils::ToUpperCase(token);
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if (t == "DEFAULT") {
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if (processed[0]) {
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return 1;
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}
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processed[0] = true;
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if (GetNextString(block, defaultValue)) {
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return 1;
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}
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} else if (t == "LABEL") {
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if (processed[1]) {
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return 1;
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}
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processed[1] = true;
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std::string_view t;
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if (GetNextString(block, t)) {
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return 1;
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}
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paramDesc.label = t;
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} else if (t == "MIN") {
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if (processed[2]) {
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return 1;
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}
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processed[2] = true;
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if (GetNextString(block, minValue)) {
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return 1;
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}
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} else if (t == "MAX") {
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if (processed[3]) {
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return 1;
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}
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processed[3] = true;
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if (GetNextString(block, maxValue)) {
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return 1;
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}
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} else {
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return 1;
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}
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}
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// DEFAULT 必须存在
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if (!processed[0]) {
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return 1;
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}
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// 代码部分
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if (GetNextToken<true>(block, token)) {
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return 1;
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}
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if (token == "float") {
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paramDesc.type = EffectConstantType::Float;
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if (!defaultValue.empty()) {
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paramDesc.defaultValue = 0.0f;
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if (GetNextNumber(defaultValue, std::get<float>(paramDesc.defaultValue))) {
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return 1;
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}
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}
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if (!minValue.empty()) {
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float value;
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if (GetNextNumber(minValue, value)) {
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return 1;
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}
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if (!defaultValue.empty() && std::get<float>(paramDesc.defaultValue) < value) {
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return 1;
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}
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paramDesc.minValue = value;
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}
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if (!maxValue.empty()) {
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float value;
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if (GetNextNumber(maxValue, value)) {
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return 1;
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}
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if (!defaultValue.empty() && std::get<float>(paramDesc.defaultValue) > value) {
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return 1;
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}
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if (!minValue.empty() && std::get<float>(paramDesc.minValue) > value) {
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return 1;
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}
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paramDesc.maxValue = value;
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}
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} else if (token == "int") {
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paramDesc.type = EffectConstantType::Int;
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if (!defaultValue.empty()) {
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paramDesc.defaultValue = 0;
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if (GetNextNumber(defaultValue, std::get<int>(paramDesc.defaultValue))) {
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return 1;
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}
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}
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if (!minValue.empty()) {
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int value;
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if (GetNextNumber(minValue, value)) {
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return 1;
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}
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if (!defaultValue.empty() && std::get<int>(paramDesc.defaultValue) < value) {
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return 1;
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}
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paramDesc.minValue = value;
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}
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if (!maxValue.empty()) {
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int value;
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if (GetNextNumber(maxValue, value)) {
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return 1;
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}
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if (!defaultValue.empty() && std::get<int>(paramDesc.defaultValue) > value) {
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return 1;
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}
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if (!minValue.empty() && std::get<int>(paramDesc.minValue) > value) {
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return 1;
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}
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paramDesc.maxValue = value;
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}
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} else {
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return 1;
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}
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if (GetNextToken<true>(block, token)) {
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return 1;
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}
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paramDesc.name = token;
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if (!CheckNextToken<true>(block, ";")) {
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return 1;
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}
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if (GetNextToken<true>(block, token) != 2) {
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return 1;
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}
|
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return 0;
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}
|
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|
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UINT ResolveTexture(std::string_view block, EffectDesc& desc) {
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// 如果名称为 INPUT 不能有任何选项，含 SOURCE 时不能有任何其他选项
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// 否则必需的选项：FORMAT
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// 可选的选项：WIDTH，HEIGHT
|
||
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EffectIntermediateTextureDesc& texDesc = desc.textures.emplace_back();
|
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std::bitset<4> processed;
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std::string_view token;
|
||
|
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if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
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return 1;
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}
|
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|
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if (!CheckNextToken<false>(block, "TEXTURE")) {
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return 1;
|
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}
|
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if (GetNextToken<false>(block, token) != 2) {
|
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return 1;
|
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}
|
||
|
||
while (true) {
|
||
if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
||
break;
|
||
}
|
||
|
||
if (GetNextToken<false>(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
std::string t = StrUtils::ToUpperCase(token);
|
||
|
||
if (t == "SOURCE") {
|
||
if (processed[0] || processed[2] || processed[3]) {
|
||
return 1;
|
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}
|
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processed[0] = true;
|
||
|
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if (GetNextString(block, token)) {
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return 1;
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}
|
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texDesc.source = token;
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} else if (t == "FORMAT") {
|
||
if (processed[1]) {
|
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return 1;
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}
|
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processed[1] = true;
|
||
|
||
if (GetNextString(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
using enum EffectIntermediateTextureFormat;
|
||
|
||
static auto formatMap = []() {
|
||
std::unordered_map<std::string, EffectIntermediateTextureFormat> result;
|
||
// UNKNOWN 不可用
|
||
for (UINT i = 0, end = (UINT)std::size(EffectIntermediateTextureDesc::FORMAT_DESCS) - 1; i < end; ++i) {
|
||
result.emplace(EffectIntermediateTextureDesc::FORMAT_DESCS[i].name, (EffectIntermediateTextureFormat)i);
|
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}
|
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return result;
|
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}();
|
||
|
||
auto it = formatMap.find(std::string(token));
|
||
if (it == formatMap.end()) {
|
||
return 1;
|
||
}
|
||
|
||
texDesc.format = it->second;
|
||
} else if (t == "WIDTH") {
|
||
if (processed[0] || processed[2]) {
|
||
return 1;
|
||
}
|
||
processed[2] = true;
|
||
|
||
if (GetNextExpr(block, texDesc.sizeExpr.first)) {
|
||
return 1;
|
||
}
|
||
} else if (t == "HEIGHT") {
|
||
if (processed[0] || processed[3]) {
|
||
return 1;
|
||
}
|
||
processed[3] = true;
|
||
|
||
if (GetNextExpr(block, texDesc.sizeExpr.second)) {
|
||
return 1;
|
||
}
|
||
} else {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
// WIDTH 和 HEIGHT 必须成对出现
|
||
if (processed[2] ^ processed[3]) {
|
||
return 1;
|
||
}
|
||
|
||
// 代码部分
|
||
if (!CheckNextToken<true>(block, "Texture2D")) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<true>(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
if (token == "INPUT") {
|
||
if (processed[1] || processed[2]) {
|
||
return 1;
|
||
}
|
||
|
||
// INPUT 已为第一个元素
|
||
desc.textures.pop_back();
|
||
} else {
|
||
texDesc.name = token;
|
||
}
|
||
|
||
if (!CheckNextToken<true>(block, ";")) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<true>(block, token) != 2) {
|
||
return 1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
UINT ResolveSampler(std::string_view block, EffectDesc& desc) {
|
||
// 必选项：FILTER
|
||
// 可选项：ADDRESS
|
||
|
||
EffectSamplerDesc& samDesc = desc.samplers.emplace_back();
|
||
|
||
std::bitset<2> processed;
|
||
|
||
std::string_view token;
|
||
|
||
if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
||
return 1;
|
||
}
|
||
|
||
if (!CheckNextToken<false>(block, "SAMPLER")) {
|
||
return 1;
|
||
}
|
||
if (GetNextToken<false>(block, token) != 2) {
|
||
return 1;
|
||
}
|
||
|
||
while (true) {
|
||
if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
||
break;
|
||
}
|
||
|
||
if (GetNextToken<false>(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
std::string t = StrUtils::ToUpperCase(token);
|
||
|
||
if (t == "FILTER") {
|
||
if (processed[0]) {
|
||
return 1;
|
||
}
|
||
processed[0] = true;
|
||
|
||
if (GetNextString(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
std::string filter = StrUtils::ToUpperCase(token);
|
||
|
||
if (filter == "LINEAR") {
|
||
samDesc.filterType = EffectSamplerFilterType::Linear;
|
||
} else if (filter == "POINT") {
|
||
samDesc.filterType = EffectSamplerFilterType::Point;
|
||
} else {
|
||
return 1;
|
||
}
|
||
} else if (t == "ADDRESS") {
|
||
if (processed[1]) {
|
||
return 1;
|
||
}
|
||
processed[1] = true;
|
||
|
||
if (GetNextString(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
std::string filter = StrUtils::ToUpperCase(token);
|
||
|
||
if (filter == "CLAMP") {
|
||
samDesc.addressType = EffectSamplerAddressType::Clamp;
|
||
} else if (filter == "WRAP") {
|
||
samDesc.addressType = EffectSamplerAddressType::Wrap;
|
||
} else {
|
||
return 1;
|
||
}
|
||
} else {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
if (!processed[0]) {
|
||
return 1;
|
||
}
|
||
|
||
// 代码部分
|
||
if (!CheckNextToken<true>(block, "SamplerState")) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<true>(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
samDesc.name = token;
|
||
|
||
if (!CheckNextToken<true>(block, ";")) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<true>(block, token) != 2) {
|
||
return 1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
UINT ResolveCommon(std::string_view& block) {
|
||
// 无选项
|
||
|
||
if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
||
return 1;
|
||
}
|
||
|
||
if (!CheckNextToken<false>(block, "COMMON")) {
|
||
return 1;
|
||
}
|
||
|
||
if (CheckNextToken<true>(block, META_INDICATOR)) {
|
||
return 1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
UINT ResolvePasses(
|
||
std::vector<std::string_view>& blocks,
|
||
EffectDesc& desc
|
||
) {
|
||
// 必选项：IN
|
||
// 可选项：OUT, BLOCK_SIZE, NUM_THREADS, STYLE
|
||
// STYLE 为 PS 时不能有 BLOCK_SIZE 或 NUM_THREADS
|
||
|
||
std::string_view token;
|
||
|
||
// 首先解析通道序号
|
||
|
||
// first 为 Pass 序号，second 为在 blocks 中的位置
|
||
std::vector<std::pair<UINT, UINT>> passNumbers;
|
||
passNumbers.reserve(blocks.size());
|
||
|
||
for (UINT i = 0; i < blocks.size(); ++i) {
|
||
std::string_view& block = blocks[i];
|
||
|
||
if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
||
return 1;
|
||
}
|
||
|
||
if (!CheckNextToken<false>(block, "PASS")) {
|
||
return 1;
|
||
}
|
||
|
||
UINT index;
|
||
if (GetNextNumber(block, index)) {
|
||
return 1;
|
||
}
|
||
if (GetNextToken<false>(block, token) != 2) {
|
||
return 1;
|
||
}
|
||
|
||
passNumbers.emplace_back(index, i);
|
||
}
|
||
|
||
std::sort(
|
||
passNumbers.begin(),
|
||
passNumbers.end(),
|
||
[](const std::pair<UINT, UINT>& l, const std::pair<UINT, UINT>& r) {return l.first < r.first; }
|
||
);
|
||
|
||
std::vector<std::string_view> temp = blocks;
|
||
for (int i = 0; i < blocks.size(); ++i) {
|
||
if (passNumbers[i].first != i + 1) {
|
||
// PASS 序号不连续
|
||
return 1;
|
||
}
|
||
|
||
blocks[i] = temp[passNumbers[i].second];
|
||
}
|
||
|
||
desc.passes.resize(blocks.size());
|
||
|
||
for (UINT i = 0; i < blocks.size(); ++i) {
|
||
std::string_view& block = blocks[i];
|
||
auto& passDesc = desc.passes[i];
|
||
|
||
// 用于检查输入和输出中重复的纹理
|
||
std::unordered_map<std::string_view, UINT> texNames;
|
||
for (size_t i = 0; i < desc.textures.size(); ++i) {
|
||
texNames.emplace(desc.textures[i].name, (UINT)i);
|
||
}
|
||
|
||
std::bitset<6> processed;
|
||
|
||
while (true) {
|
||
if (!CheckNextToken<true>(block, META_INDICATOR)) {
|
||
break;
|
||
}
|
||
|
||
if (GetNextToken<false>(block, token)) {
|
||
return 1;
|
||
}
|
||
|
||
std::string t = StrUtils::ToUpperCase(token);
|
||
|
||
if (t == "IN") {
|
||
if (processed[0]) {
|
||
return 1;
|
||
}
|
||
processed[0] = true;
|
||
|
||
std::string_view binds;
|
||
if (GetNextString(block, binds)) {
|
||
return 1;
|
||
}
|
||
|
||
std::vector<std::string_view> inputs = StrUtils::Split(binds, ',');
|
||
for (std::string_view& input : inputs) {
|
||
StrUtils::Trim(input);
|
||
|
||
auto it = texNames.find(input);
|
||
if (it == texNames.end()) {
|
||
// 未找到纹理名称
|
||
return 1;
|
||
}
|
||
|
||
passDesc.inputs.push_back(it->second);
|
||
texNames.erase(it);
|
||
}
|
||
} else if (t == "OUT") {
|
||
if (processed[1]) {
|
||
return 1;
|
||
}
|
||
processed[1] = true;
|
||
|
||
std::string_view saves;
|
||
if (GetNextString(block, saves)) {
|
||
return 1;
|
||
}
|
||
|
||
std::vector<std::string_view> outputs = StrUtils::Split(saves, ',');
|
||
if (outputs.size() > 8) {
|
||
// 最多 8 个输出
|
||
return 1;
|
||
}
|
||
|
||
for (std::string_view& output : outputs) {
|
||
StrUtils::Trim(output);
|
||
|
||
auto it = texNames.find(output);
|
||
if (it == texNames.end()) {
|
||
// 未找到纹理名称
|
||
return 1;
|
||
}
|
||
|
||
if (it->second == 0 || !desc.textures[it->second].source.empty()) {
|
||
// INPUT 和从文件读取的纹理不能作为输出
|
||
return 1;
|
||
}
|
||
|
||
passDesc.outputs.push_back(it->second);
|
||
texNames.erase(it);
|
||
}
|
||
} else if (t == "BLOCK_SIZE") {
|
||
if (processed[2]) {
|
||
return 1;
|
||
}
|
||
processed[2] = true;
|
||
|
||
std::string_view val;
|
||
if (GetNextString(block, val)) {
|
||
return 1;
|
||
}
|
||
|
||
std::vector<std::string_view> split = StrUtils::Split(val, ',');
|
||
if (split.size() > 2) {
|
||
return 1;
|
||
}
|
||
|
||
UINT num;
|
||
if (GetNextNumber(split[0], num) || num == 0) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<false>(split[0], token) != 2) {
|
||
return false;
|
||
}
|
||
|
||
passDesc.blockSize.first = num;
|
||
|
||
// 如果只有一个数字，则它同时指定长和高
|
||
if (split.size() == 2) {
|
||
if (GetNextNumber(split[1], num) || num == 0) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<false>(split[1], token) != 2) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
passDesc.blockSize.second = num;
|
||
} else if (t == "NUM_THREADS") {
|
||
if (processed[3]) {
|
||
return 1;
|
||
}
|
||
processed[3] = true;
|
||
|
||
std::string_view val;
|
||
if (GetNextString(block, val)) {
|
||
return 1;
|
||
}
|
||
|
||
std::vector<std::string_view> split = StrUtils::Split(val, ',');
|
||
if (split.size() > 3) {
|
||
return 1;
|
||
}
|
||
|
||
for (int i = 0; i < 3; ++i) {
|
||
UINT num = 1;
|
||
if (split.size() > i) {
|
||
if (GetNextNumber(split[i], num)) {
|
||
return 1;
|
||
}
|
||
|
||
if (GetNextToken<false>(split[i], token) != 2) {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
passDesc.numThreads[i] = num;
|
||
}
|
||
} else if (t == "STYLE") {
|
||
if (processed[4]) {
|
||
return 1;
|
||
}
|
||
processed[4] = true;
|
||
|
||
std::string_view val;
|
||
if (GetNextString(block, val)) {
|
||
return 1;
|
||
}
|
||
|
||
if (val == "PS") {
|
||
passDesc.isPSStyle = true;
|
||
passDesc.blockSize.first = 16;
|
||
passDesc.blockSize.second = 16;
|
||
passDesc.numThreads = { 64,1,1 };
|
||
} else if (val != "CS") {
|
||
return 1;
|
||
}
|
||
} else if (t == "DESC") {
|
||
if (processed[5]) {
|
||
return 1;
|
||
}
|
||
processed[5] = true;
|
||
|
||
std::string_view val;
|
||
if (GetNextString(block, val)) {
|
||
return 1;
|
||
}
|
||
|
||
StrUtils::Trim(val);
|
||
passDesc.desc = val;
|
||
} else {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
if (passDesc.isPSStyle) {
|
||
if (processed[2] || processed[3]) {
|
||
return 1;
|
||
}
|
||
} else {
|
||
if (!processed[2] || !processed[3]) {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
if (passDesc.desc.empty()) {
|
||
passDesc.desc = fmt::format("Pass {}", i + 1);
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
UINT GeneratePassSource(
|
||
const EffectDesc& desc,
|
||
UINT passIdx,
|
||
std::string_view cbHlsl,
|
||
const std::vector<std::string_view>& commonBlocks,
|
||
std::string_view passBlock,
|
||
const std::map<std::string, std::variant<float, int>>& inlineParams,
|
||
std::string& result,
|
||
std::vector<std::pair<std::string, std::string>>& macros
|
||
) {
|
||
bool isLastEffect = desc.flags & EFFECT_FLAG_LAST_EFFECT;
|
||
bool isLastPass = passIdx == desc.passes.size();
|
||
bool isInlineParams = desc.flags & EFFECT_FLAG_INLINE_PARAMETERS;
|
||
|
||
const EffectPassDesc& passDesc = desc.passes[(size_t)passIdx - 1];
|
||
|
||
{
|
||
// 估算需要的空间
|
||
size_t reservedSize = 2048 + cbHlsl.size() + passBlock.size();
|
||
for (std::string_view commonBlock : commonBlocks) {
|
||
reservedSize += commonBlock.size();
|
||
}
|
||
|
||
result.reserve(reservedSize);
|
||
}
|
||
|
||
// 常量缓冲区
|
||
result.append(cbHlsl);
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
//
|
||
// SRV、UAV 和采样器
|
||
//
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
||
// SRV
|
||
for (int i = 0; i < passDesc.inputs.size(); ++i) {
|
||
auto& texDesc = desc.textures[passDesc.inputs[i]];
|
||
result.append(fmt::format("Texture2D<{}> {} : register(t{});\n", EffectIntermediateTextureDesc::FORMAT_DESCS[(UINT)texDesc.format].srvTexelType, texDesc.name, i));
|
||
}
|
||
|
||
if (isLastEffect && isLastPass) {
|
||
result.append(fmt::format("Texture2D<float4> __CURSOR : register(t{});\n", passDesc.inputs.size()));
|
||
}
|
||
|
||
// UAV
|
||
if (passDesc.outputs.empty()) {
|
||
if (!isLastPass) {
|
||
return 1;
|
||
}
|
||
|
||
result.append("RWTexture2D<unorm float4> __OUTPUT : register(u0);\n");
|
||
} else {
|
||
if (isLastPass) {
|
||
return 1;
|
||
}
|
||
|
||
for (int i = 0; i < passDesc.outputs.size(); ++i) {
|
||
auto& texDesc = desc.textures[passDesc.outputs[i]];
|
||
result.append(fmt::format("RWTexture2D<{}> {} : register(u{});\n", EffectIntermediateTextureDesc::FORMAT_DESCS[(UINT)texDesc.format].uavTexelType, texDesc.name, i));
|
||
}
|
||
}
|
||
|
||
if (!desc.samplers.empty()) {
|
||
// 采样器
|
||
for (int i = 0; i < desc.samplers.size(); ++i) {
|
||
result.append(fmt::format("SamplerState {} : register(s{});\n", desc.samplers[i].name, i));
|
||
}
|
||
}
|
||
|
||
if (isLastEffect) {
|
||
// 绘制光标使用的采样器
|
||
result.append(fmt::format("SamplerState __CURSOR_SAMPLER : register(s{});\n", desc.samplers.size()));
|
||
}
|
||
|
||
result.push_back('\n');
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
//
|
||
// 内置宏
|
||
//
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
macros.reserve(64);
|
||
macros.emplace_back("MP_BLOCK_WIDTH", std::to_string(passDesc.blockSize.first));
|
||
macros.emplace_back("MP_BLOCK_HEIGHT", std::to_string(passDesc.blockSize.second));
|
||
macros.emplace_back("MP_NUM_THREADS_X", std::to_string(passDesc.numThreads[0]));
|
||
macros.emplace_back("MP_NUM_THREADS_Y", std::to_string(passDesc.numThreads[1]));
|
||
macros.emplace_back("MP_NUM_THREADS_Z", std::to_string(passDesc.numThreads[2]));
|
||
|
||
if (passDesc.isPSStyle) {
|
||
macros.emplace_back("MP_PS_STYLE", "");
|
||
}
|
||
|
||
if (isInlineParams) {
|
||
macros.emplace_back("MP_INLINE_PARAMS", "");
|
||
}
|
||
|
||
if (isLastPass) {
|
||
macros.emplace_back("MP_LAST_PASS", "");
|
||
}
|
||
|
||
if (isLastEffect) {
|
||
macros.emplace_back("MP_LAST_EFFECT", "");
|
||
}
|
||
|
||
#ifdef _DEBUG
|
||
macros.emplace_back("MP_DEBUG", "");
|
||
#endif
|
||
|
||
// 用于在 FP32 和 FP16 间切换的宏
|
||
static const char* numbers[] = { "1","2","3","4" };
|
||
if (desc.flags & EFFECT_FLAG_FP16) {
|
||
macros.emplace_back("MP_FP16", "");
|
||
macros.emplace_back("MF", "min16float");
|
||
|
||
for (UINT i = 0; i < 4; ++i) {
|
||
macros.emplace_back(StrUtils::Concat("MF", numbers[i]), StrUtils::Concat("min16float", numbers[i]));
|
||
|
||
for (UINT j = 0; j < 4; ++j) {
|
||
macros.emplace_back(StrUtils::Concat("MF", numbers[i], "x", numbers[j]), StrUtils::Concat("min16float", numbers[i], "x", numbers[j]));
|
||
}
|
||
}
|
||
} else {
|
||
macros.emplace_back("MF", "float");
|
||
|
||
for (UINT i = 0; i < 4; ++i) {
|
||
macros.emplace_back(StrUtils::Concat("MF", numbers[i]), StrUtils::Concat("float", numbers[i]));
|
||
|
||
for (UINT j = 0; j < 4; ++j) {
|
||
macros.emplace_back(StrUtils::Concat("MF", numbers[i], "x", numbers[j]), StrUtils::Concat("float", numbers[i], "x", numbers[j]));
|
||
}
|
||
}
|
||
}
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
//
|
||
// 内联常量
|
||
//
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
if (isInlineParams) {
|
||
std::unordered_set<std::string_view> paramNames;
|
||
for (const auto& d : desc.params) {
|
||
paramNames.emplace(d.name);
|
||
|
||
auto it = inlineParams.find(d.name);
|
||
if (it == inlineParams.end()) {
|
||
if (d.type == EffectConstantType::Float) {
|
||
macros.emplace_back(d.name, std::to_string(std::get<float>(d.defaultValue)));
|
||
} else {
|
||
macros.emplace_back(d.name, std::to_string(std::get<int>(d.defaultValue)));
|
||
}
|
||
} else {
|
||
if (it->second.index() == 1) {
|
||
macros.emplace_back(d.name, std::to_string(std::get<int>(it->second)));
|
||
} else {
|
||
if (d.type == EffectConstantType::Int) {
|
||
return 1;
|
||
}
|
||
|
||
macros.emplace_back(d.name, std::to_string(std::get<float>(it->second)));
|
||
}
|
||
}
|
||
}
|
||
|
||
for (const auto& pair : inlineParams) {
|
||
if (!paramNames.contains(std::string_view(pair.first))) {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
result.push_back('\n');
|
||
}
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
//
|
||
// 内置函数
|
||
//
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
if (isLastPass) {
|
||
result.append("bool CheckViewport(int2 pos) { return pos.x < __viewport.x && pos.y < __viewport.y; }\n");
|
||
|
||
if (isLastEffect) {
|
||
// 255.001953 的由来见 https://stackoverflow.com/questions/52103720/why-does-d3dcolortoubyte4-multiplies-components-by-255-001953f
|
||
result.append(R"(void WriteToOutput(uint2 pos, float3 color) {
|
||
pos += __offset.zw;
|
||
if ((int)pos.x >= __cursorRect.x && (int)pos.y >= __cursorRect.y && (int)pos.x < __cursorRect.z && (int)pos.y < __cursorRect.w) {
|
||
float4 mask = __CURSOR.SampleLevel(__CURSOR_SAMPLER, (pos - __cursorRect.xy + 0.5f) * __cursorPt, 0);
|
||
if (__cursorType == 0){
|
||
color = color * mask.a + mask.rgb;
|
||
} else if (__cursorType == 1) {
|
||
if (mask.a < 0.5f){
|
||
color = mask.rgb;
|
||
} else {
|
||
color = (uint3(round(color * 255.0f)) ^ uint3(mask.rgb * 255.001953f)) / 255.0f;
|
||
}
|
||
} else {
|
||
if( mask.x > 0.5f) {
|
||
if (mask.y > 0.5f) {
|
||
color = 1 - color;
|
||
}
|
||
} else {
|
||
if (mask.y > 0.5f) {
|
||
color = float3(1, 1, 1);
|
||
} else {
|
||
color = float3(0, 0, 0);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
__OUTPUT[pos] = float4(color, 1);
|
||
}
|
||
)");
|
||
} else {
|
||
result.append("#define WriteToOutput(pos,color) __OUTPUT[pos] = float4(color, 1)\n");
|
||
}
|
||
}
|
||
|
||
result.append(R"(uint __Bfe(uint src, uint off, uint bits) { uint mask = (1u << bits) - 1; return (src >> off) & mask; }
|
||
uint __BfiM(uint src, uint ins, uint bits) { uint mask = (1u << bits) - 1; return (ins & mask) | (src & (~mask)); }
|
||
uint2 Rmp8x8(uint a) { return uint2(__Bfe(a, 1u, 3u), __BfiM(__Bfe(a, 3u, 3u), a, 1u)); }
|
||
uint2 GetInputSize() { return __inputSize; }
|
||
float2 GetInputPt() { return __inputPt; }
|
||
uint2 GetOutputSize() { return __outputSize; }
|
||
float2 GetOutputPt() { return __outputPt; }
|
||
float2 GetScale() { return __scale; }
|
||
)");
|
||
|
||
if (desc.isUseDynamic) {
|
||
result.append(R"(uint GetFrameCount() { return __frameCount; }
|
||
uint2 GetCursorPos() { return __cursorPos; }
|
||
|
||
)");
|
||
} else {
|
||
result.push_back('\n');
|
||
}
|
||
|
||
|
||
for (std::string_view commonBlock : commonBlocks) {
|
||
result.append(commonBlock);
|
||
result.push_back('\n');
|
||
}
|
||
|
||
result.append(passBlock);
|
||
if (result.back() == '\n') {
|
||
result.push_back('\n');
|
||
} else {
|
||
result.append("\n\n");
|
||
}
|
||
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
//
|
||
// 着色器入口
|
||
//
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
if (passDesc.isPSStyle) {
|
||
if (passDesc.outputs.size() <= 1) {
|
||
if (isLastPass) {
|
||
result.append(fmt::format(R"([numthreads(64, 1, 1)]
|
||
void __M(uint3 tid : SV_GroupThreadID, uint3 gid : SV_GroupID) {{
|
||
uint2 gxy = Rmp8x8(tid.x) + (gid.xy << 4u){0};
|
||
float2 pos = (gxy + 0.5f) * __outputPt;
|
||
float2 step = 8 * __outputPt;
|
||
|
||
if (!CheckViewport(gxy)) {{
|
||
return;
|
||
}};
|
||
|
||
WriteToOutput(gxy, Pass{1}(pos).rgb);
|
||
|
||
gxy.x += 8u;
|
||
pos.x += step.x;
|
||
if (CheckViewport(gxy)) {{
|
||
WriteToOutput(gxy, Pass{1}(pos).rgb);
|
||
}};
|
||
|
||
gxy.y += 8u;
|
||
pos.y += step.y;
|
||
if (CheckViewport(gxy)) {{
|
||
WriteToOutput(gxy, Pass{1}(pos).rgb);
|
||
}};
|
||
|
||
gxy.x -= 8u;
|
||
pos.x -= step.x;
|
||
if (CheckViewport(gxy)) {{
|
||
WriteToOutput(gxy, Pass{1}(pos).rgb);
|
||
}};
|
||
}}
|
||
)", isLastEffect ? " + __offset.xy" : "", passIdx));
|
||
} else {
|
||
result.append(fmt::format(R"([numthreads(64, 1, 1)]
|
||
void __M(uint3 tid : SV_GroupThreadID, uint3 gid : SV_GroupID) {{
|
||
uint2 gxy = Rmp8x8(tid.x) + (gid.xy << 4u);
|
||
if (gxy.x >= __pass{0}OutputSize.x || gxy.y >= __pass{0}OutputSize.y) {{
|
||
return;
|
||
}}
|
||
float2 pos = (gxy + 0.5f) * __pass{0}OutputPt;
|
||
float2 step = 8 * __pass{0}OutputPt;
|
||
|
||
{1}[gxy] = Pass{0}(pos);
|
||
|
||
gxy.x += 8u;
|
||
pos.x += step.x;
|
||
if (gxy.x < __pass{0}OutputSize.x && gxy.y < __pass{0}OutputSize.y) {{
|
||
{1}[gxy] = Pass{0}(pos);
|
||
}}
|
||
|
||
gxy.y += 8u;
|
||
pos.y += step.y;
|
||
if (gxy.x < __pass{0}OutputSize.x && gxy.y < __pass{0}OutputSize.y) {{
|
||
{1}[gxy] = Pass{0}(pos);
|
||
}}
|
||
|
||
gxy.x -= 8u;
|
||
pos.x -= step.x;
|
||
if (gxy.x < __pass{0}OutputSize.x && gxy.y < __pass{0}OutputSize.y) {{
|
||
{1}[gxy] = Pass{0}(pos);
|
||
}}
|
||
}}
|
||
)", passIdx, desc.textures[passDesc.outputs[0]].name));
|
||
}
|
||
} else {
|
||
// 多渲染目标
|
||
if (isLastPass) {
|
||
return 1;
|
||
}
|
||
|
||
result.append(fmt::format(R"([numthreads(64, 1, 1)]
|
||
void __M(uint3 tid : SV_GroupThreadID, uint3 gid : SV_GroupID) {{
|
||
uint2 gxy = Rmp8x8(tid.x) + (gid.xy << 4u);
|
||
if (gxy.x >= __pass{0}OutputSize.x || gxy.y >= __pass{0}OutputSize.y) {{
|
||
return;
|
||
}}
|
||
float2 pos = (gxy + 0.5f) * __pass{0}OutputPt;
|
||
float2 step = 8 * __pass{0}OutputPt;
|
||
)", passIdx));
|
||
for (int i = 0; i < passDesc.outputs.size(); ++i) {
|
||
auto& texDesc = desc.textures[passDesc.outputs[i]];
|
||
result.append(fmt::format("\t{} c{};\n",
|
||
EffectIntermediateTextureDesc::FORMAT_DESCS[(UINT)texDesc.format].srvTexelType, i));
|
||
}
|
||
|
||
std::string callPass = fmt::format("\tPass{}(pos, ", passIdx);
|
||
|
||
for (int i = 0; i < passDesc.outputs.size() - 1; ++i) {
|
||
callPass.append(fmt::format("c{}, ", i));
|
||
}
|
||
callPass.append(fmt::format("c{});\n", passDesc.outputs.size() - 1));
|
||
for (int i = 0; i < passDesc.outputs.size(); ++i) {
|
||
callPass.append(fmt::format("\t\t\t{}[gxy] = c{};\n", desc.textures[passDesc.outputs[i]].name, i));
|
||
}
|
||
|
||
result.append(fmt::format(R"({0}
|
||
gxy.x += 8u;
|
||
pos.x += step.x;
|
||
if (gxy.x < __pass{1}OutputSize.x && gxy.y < __pass{1}OutputSize.y) {{
|
||
{0}
|
||
}}
|
||
|
||
gxy.y += 8u;
|
||
pos.y += step.y;
|
||
if (gxy.x < __pass{1}OutputSize.x && gxy.y < __pass{1}OutputSize.y) {{
|
||
{0}
|
||
}}
|
||
|
||
gxy.x -= 8u;
|
||
pos.x -= step.x;
|
||
if (gxy.x < __pass{1}OutputSize.x && gxy.y < __pass{1}OutputSize.y) {{
|
||
{0}
|
||
}}
|
||
}}
|
||
)", callPass, passIdx));
|
||
}
|
||
} else {
|
||
// 大部分情况下 BLOCK_SIZE 都是 2 的整数次幂，这时将乘法转换为位移
|
||
std::string blockStartExpr;
|
||
if (passDesc.blockSize.first == passDesc.blockSize.second && std::has_single_bit(passDesc.blockSize.first)) {
|
||
UINT nShift = std::lroundf(std::log2f((float)passDesc.blockSize.first));
|
||
blockStartExpr = fmt::format("(gid.xy << {})", nShift);
|
||
} else {
|
||
blockStartExpr = fmt::format("gid.xy * uint2({}, {})", passDesc.blockSize.first, passDesc.blockSize.second);
|
||
}
|
||
|
||
result.append(fmt::format(R"([numthreads({}, {}, {})]
|
||
void __M(uint3 tid : SV_GroupThreadID, uint3 gid : SV_GroupID) {{
|
||
Pass{}({}{}, tid);
|
||
}}
|
||
)", passDesc.numThreads[0], passDesc.numThreads[1], passDesc.numThreads[2], passIdx, blockStartExpr, isLastEffect && isLastPass ? " + __offset.xy" : ""));
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
UINT CompilePasses(
|
||
EffectDesc& desc,
|
||
const std::vector<std::string_view>& commonBlocks,
|
||
const std::vector<std::string_view>& passBlocks,
|
||
const std::map<std::string, std::variant<float, int>>& inlineParams
|
||
) {
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
//
|
||
// 所有通道共用的常量缓冲区
|
||
//
|
||
////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
||
std::string cbHlsl = R"(cbuffer __CB1 : register(b0) {
|
||
int4 __cursorRect;
|
||
float2 __cursorPt;
|
||
uint2 __cursorPos;
|
||
uint __cursorType;
|
||
uint __frameCount;
|
||
};
|
||
cbuffer __CB2 : register(b1) {
|
||
uint2 __inputSize;
|
||
uint2 __outputSize;
|
||
float2 __inputPt;
|
||
float2 __outputPt;
|
||
float2 __scale;
|
||
int2 __viewport;
|
||
)";
|
||
|
||
if (desc.flags & EFFECT_FLAG_LAST_EFFECT) {
|
||
// 指定输出到屏幕的位置
|
||
cbHlsl.append("\tint4 __offset;\n");
|
||
}
|
||
|
||
// PS 样式需要获知输出纹理的尺寸
|
||
// 最后一个通道不需要
|
||
for (UINT i = 0, end = (UINT)desc.passes.size() - 1; i < end; ++i) {
|
||
if (desc.passes[i].isPSStyle) {
|
||
cbHlsl.append(fmt::format("\tuint2 __pass{0}OutputSize;\n\tfloat2 __pass{0}OutputPt;\n", i + 1));
|
||
}
|
||
}
|
||
|
||
if (!(desc.flags & EFFECT_FLAG_INLINE_PARAMETERS)) {
|
||
for (const auto& d : desc.params) {
|
||
cbHlsl.append("\t")
|
||
.append(d.type == EffectConstantType::Int ? "int " : "float ")
|
||
.append(d.name)
|
||
.append(";\n");
|
||
}
|
||
}
|
||
|
||
cbHlsl.append("};\n\n");
|
||
|
||
if (App::Get().GetConfig().IsSaveEffectSources() && !Utils::DirExists(SAVE_SOURCE_DIR)) {
|
||
if (!CreateDirectory(SAVE_SOURCE_DIR, nullptr)) {
|
||
Logger::Get().Win32Error("创建 sources 文件夹失败");
|
||
}
|
||
}
|
||
|
||
// 并行生成代码和编译
|
||
Utils::RunParallel([&](UINT id) {
|
||
std::string source;
|
||
std::vector<std::pair<std::string, std::string>> macros;
|
||
if (GeneratePassSource(desc, id + 1, cbHlsl, commonBlocks, passBlocks[id], inlineParams, source, macros)) {
|
||
Logger::Get().Error(fmt::format("生成 Pass{} 失败", id + 1));
|
||
return;
|
||
}
|
||
|
||
if (App::Get().GetConfig().IsSaveEffectSources()) {
|
||
std::wstring fileName = desc.passes.size() == 1
|
||
? fmt::format(L"{}\\{}.hlsl", SAVE_SOURCE_DIR, StrUtils::UTF8ToUTF16(desc.name))
|
||
: fmt::format(L"{}\\{}_Pass{}.hlsl", SAVE_SOURCE_DIR, StrUtils::UTF8ToUTF16(desc.name), id + 1);
|
||
|
||
if (!Utils::WriteFile(fileName.c_str(), source.data(),source.size())) {
|
||
Logger::Get().Error(fmt::format("保存 Pass{} 源码失败", id + 1));
|
||
}
|
||
}
|
||
|
||
static PassInclude passInclude;
|
||
|
||
if (!App::Get().GetDeviceResources().CompileShader(source, "__M", desc.passes[id].cso.put(),
|
||
fmt::format("{}_Pass{}.hlsl", desc.name, id + 1).c_str(), &passInclude, macros)
|
||
) {
|
||
Logger::Get().Error(fmt::format("编译 Pass{} 失败", id + 1));
|
||
}
|
||
}, (UINT)passBlocks.size());
|
||
|
||
// 检查编译结果
|
||
for (const EffectPassDesc& d : desc.passes) {
|
||
if (!d.cso) {
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
UINT EffectCompiler::Compile(
|
||
std::string_view effectName,
|
||
UINT flags,
|
||
const std::map<std::string, std::variant<float, int>>& inlineParams,
|
||
EffectDesc& desc
|
||
) {
|
||
desc = {};
|
||
desc.name = effectName;
|
||
desc.flags = flags;
|
||
|
||
std::wstring fileName = (L"effects\\" + StrUtils::UTF8ToUTF16(effectName) + L".hlsl");
|
||
|
||
std::string source;
|
||
if (!Utils::ReadTextFile(fileName.c_str(), source)) {
|
||
Logger::Get().Error("读取源文件失败");
|
||
return 1;
|
||
}
|
||
|
||
if (source.empty()) {
|
||
Logger::Get().Error("源文件为空");
|
||
return 1;
|
||
}
|
||
|
||
// 移除注释
|
||
if (RemoveComments(source)) {
|
||
Logger::Get().Error("删除注释失败");
|
||
return 1;
|
||
}
|
||
|
||
std::string hash;
|
||
if (!App::Get().GetConfig().IsDisableEffectCache()) {
|
||
hash = EffectCacheManager::GetHash(source, flags & EFFECT_FLAG_INLINE_PARAMETERS ? &inlineParams : nullptr);
|
||
if (!hash.empty()) {
|
||
if (EffectCacheManager::Get().Load(effectName, hash, desc)) {
|
||
// 已从缓存中读取
|
||
return 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
std::string_view sourceView(source);
|
||
|
||
// 检查头
|
||
if (!CheckMagic(sourceView)) {
|
||
Logger::Get().Error("检查 MagpieFX 头失败");
|
||
return 2;
|
||
}
|
||
|
||
enum class BlockType {
|
||
Header,
|
||
Constant,
|
||
Texture,
|
||
Sampler,
|
||
Common,
|
||
Pass
|
||
};
|
||
|
||
std::string_view headerBlock;
|
||
std::vector<std::string_view> paramBlocks;
|
||
std::vector<std::string_view> textureBlocks;
|
||
std::vector<std::string_view> samplerBlocks;
|
||
std::vector<std::string_view> commonBlocks;
|
||
std::vector<std::string_view> passBlocks;
|
||
|
||
BlockType curBlockType = BlockType::Header;
|
||
size_t curBlockOff = 0;
|
||
|
||
auto completeCurrentBlock = [&](size_t len, BlockType newBlockType) {
|
||
switch (curBlockType) {
|
||
case BlockType::Header:
|
||
headerBlock = sourceView.substr(curBlockOff, len);
|
||
break;
|
||
case BlockType::Constant:
|
||
paramBlocks.push_back(sourceView.substr(curBlockOff, len));
|
||
break;
|
||
case BlockType::Texture:
|
||
textureBlocks.push_back(sourceView.substr(curBlockOff, len));
|
||
break;
|
||
case BlockType::Sampler:
|
||
samplerBlocks.push_back(sourceView.substr(curBlockOff, len));
|
||
break;
|
||
case BlockType::Common:
|
||
commonBlocks.push_back(sourceView.substr(curBlockOff, len));
|
||
break;
|
||
case BlockType::Pass:
|
||
passBlocks.push_back(sourceView.substr(curBlockOff, len));
|
||
break;
|
||
default:
|
||
assert(false);
|
||
break;
|
||
}
|
||
|
||
curBlockType = newBlockType;
|
||
curBlockOff += len;
|
||
};
|
||
|
||
bool newLine = true;
|
||
std::string_view t = sourceView;
|
||
while (t.size() > 5) {
|
||
if (newLine) {
|
||
// 包含换行符
|
||
size_t len = t.data() - sourceView.data() - curBlockOff + 1;
|
||
|
||
if (CheckNextToken<true>(t, META_INDICATOR)) {
|
||
std::string_view token;
|
||
if (GetNextToken<false>(t, token)) {
|
||
return 1;
|
||
}
|
||
std::string blockType = StrUtils::ToUpperCase(token);
|
||
|
||
if (blockType == "PARAMETER") {
|
||
completeCurrentBlock(len, BlockType::Constant);
|
||
} else if (blockType == "TEXTURE") {
|
||
completeCurrentBlock(len, BlockType::Texture);
|
||
} else if (blockType == "SAMPLER") {
|
||
completeCurrentBlock(len, BlockType::Sampler);
|
||
} else if (blockType == "COMMON") {
|
||
completeCurrentBlock(len, BlockType::Common);
|
||
} else if (blockType == "PASS") {
|
||
completeCurrentBlock(len, BlockType::Pass);
|
||
}
|
||
}
|
||
|
||
if (t.size() <= 5) {
|
||
break;
|
||
}
|
||
} else {
|
||
t.remove_prefix(1);
|
||
}
|
||
|
||
newLine = t[0] == '\n';
|
||
}
|
||
|
||
completeCurrentBlock(sourceView.size() - curBlockOff, BlockType::Header);
|
||
|
||
// 必须有 PASS 块
|
||
if (passBlocks.empty()) {
|
||
Logger::Get().Error("无 PASS 块");
|
||
return 1;
|
||
}
|
||
|
||
if (ResolveHeader(headerBlock, desc)) {
|
||
Logger::Get().Error("解析 Header 块失败");
|
||
return 1;
|
||
}
|
||
|
||
for (size_t i = 0; i < paramBlocks.size(); ++i) {
|
||
if (ResolveParameter(paramBlocks[i], desc)) {
|
||
Logger::Get().Error(fmt::format("解析 Constant#{} 块失败", i + 1));
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
// 纹理第一个元素为 INPUT
|
||
{
|
||
auto& texDesc = desc.textures.emplace_back();
|
||
texDesc.name = "INPUT";
|
||
texDesc.format = EffectIntermediateTextureFormat::R8G8B8A8_UNORM;
|
||
texDesc.sizeExpr.first = "INPUT_WIDTH";
|
||
texDesc.sizeExpr.second = "INPUT_HEIGHT";
|
||
}
|
||
|
||
for (size_t i = 0; i < textureBlocks.size(); ++i) {
|
||
if (ResolveTexture(textureBlocks[i], desc)) {
|
||
Logger::Get().Error(fmt::format("解析 Texture#{} 块失败", i + 1));
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
for (size_t i = 0; i < samplerBlocks.size(); ++i) {
|
||
if (ResolveSampler(samplerBlocks[i], desc)) {
|
||
Logger::Get().Error(fmt::format("解析 Sampler#{} 块失败", i + 1));
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
{
|
||
// 确保没有重复的名字
|
||
std::unordered_set<std::string> names;
|
||
for (const auto& d : desc.params) {
|
||
if (names.find(d.name) != names.end()) {
|
||
Logger::Get().Error("标识符重复");
|
||
return 1;
|
||
}
|
||
names.insert(d.name);
|
||
}
|
||
for (const auto& d : desc.textures) {
|
||
if (names.find(d.name) != names.end()) {
|
||
Logger::Get().Error("标识符重复");
|
||
return 1;
|
||
}
|
||
names.insert(d.name);
|
||
}
|
||
for (const auto& d : desc.samplers) {
|
||
if (names.find(d.name) != names.end()) {
|
||
Logger::Get().Error("标识符重复");
|
||
return 1;
|
||
}
|
||
names.insert(d.name);
|
||
}
|
||
}
|
||
|
||
for (size_t i = 0; i < commonBlocks.size(); ++i) {
|
||
if (ResolveCommon(commonBlocks[i])) {
|
||
Logger::Get().Error(fmt::format("解析 Common#{} 块失败", i + 1));
|
||
return 1;
|
||
}
|
||
}
|
||
|
||
if (ResolvePasses(passBlocks, desc)) {
|
||
Logger::Get().Error("解析 Pass 块失败");
|
||
return 1;
|
||
}
|
||
|
||
if (CompilePasses(desc, commonBlocks, passBlocks, inlineParams)) {
|
||
Logger::Get().Error("编译着色器失败");
|
||
return 1;
|
||
}
|
||
|
||
if (!App::Get().GetConfig().IsDisableEffectCache() && !hash.empty()) {
|
||
EffectCacheManager::Get().Save(effectName, hash, desc);
|
||
}
|
||
|
||
return 0;
|
||
}
|