metaforce/hecl/shaderc/shaderc.cpp

791 lines
30 KiB
C++

#include "shaderc.hpp"
#include "athena/FileReader.hpp"
#include "logvisor/logvisor.hpp"
#include "hecl/hecl.hpp"
#include "hecl/PipelineBase.hpp"
#include <algorithm>
#include <regex>
#include <unordered_map>
#include <set>
#include <bitset>
#include <memory>
#include <cstdint>
using namespace std::literals;
namespace hecl::shaderc {
static logvisor::Module Log("shaderc");
static constexpr std::regex::flag_type RegexFlags = std::regex::ECMAScript | std::regex::optimize;
#if __GNUC__
__attribute__((__format__(__printf__, 1, 2)))
#endif
static std::string
Format(const char* format, ...) {
char resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
int printSz = vsnprintf(resultBuf, FORMAT_BUF_SZ, format, va);
va_end(va);
return std::string(resultBuf, printSz);
}
const std::string* Compiler::getFileContents(SystemStringView path) {
auto search = m_fileContents.find(path.data());
if (search == m_fileContents.end()) {
athena::io::FileReader r(path);
if (r.hasError())
return nullptr;
auto len = r.length();
auto data = r.readBytes(len);
search = m_fileContents.insert(std::make_pair(path.data(), std::string((char*)data.get(), len))).first;
}
return &search->second;
}
void Compiler::addInputFile(SystemStringView file) {
if (std::find(m_inputFiles.begin(), m_inputFiles.end(), file) == m_inputFiles.end())
m_inputFiles.emplace_back(file);
}
void Compiler::addDefine(std::string_view var, std::string_view val) { m_defines[var.data()] = val; }
static const char* ShaderHeaderTemplate =
"class Shader_%s : public hecl::GeneralShader\n"
"{\n"
"public:\n"
" static const boo::VertexFormatInfo VtxFmt;\n"
" static const boo::AdditionalPipelineInfo PipelineInfo;\n"
" static constexpr bool HasHash = true;\n"
" static constexpr uint64_t Hash() { return 0x%016llX; }\n"
"};\n\n";
static const char* StageObjectHeaderTemplate =
"template<typename P, typename S>\n"
"class StageObject_%s : public hecl::StageBinary<P, S>\n"
"{\n"
" static const hecl::StageBinary<P, S> Prototype;\n"
"public:\n"
" StageObject_%s(hecl::StageConverter<P, S>& conv, hecl::FactoryCtx& ctx, const Shader_%s& in)\n"
" : hecl::StageBinary<P, S>(Prototype) {}\n"
"};\n"
"STAGEOBJECT_PROTOTYPE_DECLARATIONS(StageObject_%s)\n\n";
static const char* StageObjectImplTemplate =
"template<>\n"
"const hecl::StageBinary<hecl::PlatformType::%s, hecl::PipelineStage::%s>\n"
"StageObject_%s<hecl::PlatformType::%s, hecl::PipelineStage::%s>::Prototype = \n"
"{%s_%s_%s_data, sizeof(%s_%s_%s_data)};\n\n";
struct CompileSubStageAction {
template <typename P, typename S>
static bool Do(const std::string& name, const std::string& basename, const std::string& stage, std::string& implOut) {
implOut += Format(StageObjectImplTemplate, P::Name, S::Name, name.c_str(), P::Name, S::Name, basename.c_str(),
P::Name, S::Name, basename.c_str(), P::Name, S::Name);
return true;
}
};
struct CompileStageAction {
template <typename P, typename S>
static bool Do(const std::string& name, const std::string& basename, const std::string& stage, std::string& implOut) {
std::pair<StageBinaryData, size_t> data = CompileShader<P, S>(stage);
if (data.second == 0)
return false;
implOut += Format("static const uint8_t %s_%s_%s_data[] = {\n", name.c_str(), P::Name, S::Name);
for (size_t i = 0; i < data.second;) {
implOut += " ";
for (int j = 0; j < 10 && i < data.second; ++i, ++j)
implOut += Format("0x%02X, ", data.first.get()[i]);
implOut += "\n";
}
implOut += "};\n\n";
implOut += Format(StageObjectImplTemplate, P::Name, S::Name, name.c_str(), P::Name, S::Name, name.c_str(), P::Name,
S::Name, name.c_str(), P::Name, S::Name);
return true;
}
};
template <typename Action, typename P>
bool Compiler::StageAction(StageType type, const std::string& name, const std::string& basename,
const std::string& stage, std::string& implOut) {
switch (type) {
case StageType::Vertex:
return Action::template Do<P, PipelineStage::Vertex>(name, basename, stage, implOut);
case StageType::Fragment:
return Action::template Do<P, PipelineStage::Fragment>(name, basename, stage, implOut);
case StageType::Geometry:
return Action::template Do<P, PipelineStage::Geometry>(name, basename, stage, implOut);
case StageType::Control:
return Action::template Do<P, PipelineStage::Control>(name, basename, stage, implOut);
case StageType::Evaluation:
return Action::template Do<P, PipelineStage::Evaluation>(name, basename, stage, implOut);
default:
break;
}
Log.report(logvisor::Error, "Unknown stage type");
return false;
}
static const std::regex regWord(R"((\w+))", RegexFlags);
template <typename Action>
bool Compiler::StageAction(const std::string& platforms, StageType type, const std::string& name,
const std::string& basename, const std::string& stage, std::string& implOut) {
std::smatch match;
auto begin = platforms.cbegin();
auto end = platforms.cend();
while (std::regex_search(begin, end, match, regWord)) {
std::string plat = match[1].str();
std::transform(plat.begin(), plat.end(), plat.begin(), ::tolower);
if (plat == "glsl") {
if (!StageAction<Action, PlatformType::OpenGL>(type, name, basename, stage, implOut) ||
!StageAction<Action, PlatformType::Vulkan>(type, name, basename, stage, implOut)
#if HECL_NOUVEAU_NX
|| !StageAction<Action, PlatformType::NX>(type, name, basename, stage, implOut)
#endif
)
return false;
} else if (plat == "opengl") {
if (!StageAction<Action, PlatformType::OpenGL>(type, name, basename, stage, implOut))
return false;
} else if (plat == "vulkan") {
if (!StageAction<Action, PlatformType::Vulkan>(type, name, basename, stage, implOut))
return false;
} else if (plat == "nx") {
#if HECL_NOUVEAU_NX
if (!StageAction<Action, PlatformType::NX>(type, name, basename, stage, implOut))
return false;
#endif
} else if (plat == "d3d11" || plat == "hlsl") {
#if _WIN32
if (!StageAction<Action, PlatformType::D3D11>(type, name, basename, stage, implOut))
return false;
#endif
} else if (plat == "metal") {
#if __APPLE__
if (!StageAction<Action, PlatformType::Metal>(type, name, basename, stage, implOut))
return false;
#endif
} else {
Log.report(logvisor::Error, "Unknown platform '%s'", plat.c_str());
return false;
}
begin = match.suffix().first;
}
return true;
}
static const std::regex regInclude(R"(#\s*include\s+\"(.*)\")", RegexFlags);
static const std::regex regDefine(R"(#\s*define\s+(\w+)\s*(.*))", RegexFlags);
static const std::regex regShaderEx(R"(#\s*shader\s+(\w+)\s*:\s*(\w+))", RegexFlags);
static const std::regex regShader(R"(#\s*shader\s+(\w+))", RegexFlags);
static const std::regex regAttributeEx(R"(#\s*attribute\s+(\w+)\s+([0-9]+))", RegexFlags);
static const std::regex regAttribute(R"(#\s*attribute\s+(\w+))", RegexFlags);
static const std::regex regInstAttributeEx(R"(#\s*instattribute\s+(\w+)\s+([0-9]+))", RegexFlags);
static const std::regex regInstAttribute(R"(#\s*instattribute\s+(\w+))", RegexFlags);
static const std::regex regSrcFac(R"(#\s*srcfac\s+(\w+))", RegexFlags);
static const std::regex regDstFac(R"(#\s*dstfac\s+(\w+))", RegexFlags);
static const std::regex regPrim(R"(#\s*primitive\s+(\w+))", RegexFlags);
static const std::regex regZTest(R"(#\s*depthtest\s+(\w+))", RegexFlags);
static const std::regex regDepthWrite(R"(#\s*depthwrite\s+(\w+))", RegexFlags);
static const std::regex regColorWrite(R"(#\s*colorwrite\s+(\w+))", RegexFlags);
static const std::regex regAlphaWrite(R"(#\s*alphawrite\s+(\w+))", RegexFlags);
static const std::regex regCulling(R"(#\s*culling\s+(\w+))", RegexFlags);
static const std::regex regPatchSize(R"(#\s*patchsize\s+(\w+))", RegexFlags);
static const std::regex regOverwriteAlpha(R"(#\s*overwritealpha\s+(\w+))", RegexFlags);
static const std::regex regDepthAttachment(R"(#\s*depthattachment\s+(\w+))", RegexFlags);
static const std::regex regVertex(R"(#\s*vertex\s+(.*))", RegexFlags);
static const std::regex regFragment(R"(#\s*fragment\s+(.*))", RegexFlags);
static const std::regex regGeometry(R"(#\s*geometry\s+(.*))", RegexFlags);
static const std::regex regControl(R"(#\s*control\s+(.*))", RegexFlags);
static const std::regex regEvaluation(R"(#\s*evaluation\s+(.*))", RegexFlags);
bool Compiler::includeFile(SystemStringView file, std::string& out, int depth) {
if (depth > 32) {
Log.report(logvisor::Error, _SYS_STR("Too many levels of includes (>32) at '%s'"), file.data());
return false;
}
const std::string* data = getFileContents(file);
if (!data) {
Log.report(logvisor::Error, _SYS_STR("Unable to access '%s'"), file.data());
return false;
}
const std::string& sdata = *data;
SystemString directory;
auto slashPos = file.find_last_of(_SYS_STR("/\\"));
if (slashPos != SystemString::npos)
directory = SystemString(file.begin(), file.begin() + slashPos);
else
directory = _SYS_STR(".");
auto begin = sdata.cbegin();
auto end = sdata.cend();
while (begin != end) {
std::string::const_iterator nextBegin;
auto findPos = sdata.find('\n', begin - sdata.begin());
if (findPos == std::string::npos)
nextBegin = end;
else
nextBegin = sdata.begin() + findPos + 1;
std::smatch subMatch;
if (std::regex_search(begin, nextBegin, subMatch, regInclude)) {
std::string path = subMatch[1].str();
if (path.empty()) {
Log.report(logvisor::Error, _SYS_STR("Empty path provided to include in '%s'"), file.data());
return false;
}
hecl::SystemString pathStr(hecl::SystemStringConv(path).sys_str());
if (!hecl::IsAbsolute(pathStr))
pathStr = directory + _SYS_STR('/') + pathStr;
if (!includeFile(pathStr, out, depth + 1))
return false;
} else {
out.insert(out.end(), begin, nextBegin);
}
begin = nextBegin;
}
return true;
}
static std::string_view BlendFactorToStr(boo::BlendFactor fac) {
switch (fac) {
case boo::BlendFactor::Zero:
default:
return "boo::BlendFactor::Zero"sv;
case boo::BlendFactor::One:
return "boo::BlendFactor::One"sv;
case boo::BlendFactor::SrcColor:
return "boo::BlendFactor::SrcColor"sv;
case boo::BlendFactor::InvSrcColor:
return "boo::BlendFactor::InvSrcColor"sv;
case boo::BlendFactor::DstColor:
return "boo::BlendFactor::DstColor"sv;
case boo::BlendFactor::InvDstColor:
return "boo::BlendFactor::InvDstColor"sv;
case boo::BlendFactor::SrcAlpha:
return "boo::BlendFactor::SrcAlpha"sv;
case boo::BlendFactor::InvSrcAlpha:
return "boo::BlendFactor::InvSrcAlpha"sv;
case boo::BlendFactor::DstAlpha:
return "boo::BlendFactor::DstAlpha"sv;
case boo::BlendFactor::InvDstAlpha:
return "boo::BlendFactor::InvDstAlpha"sv;
case boo::BlendFactor::SrcColor1:
return "boo::BlendFactor::SrcColor1"sv;
case boo::BlendFactor::InvSrcColor1:
return "boo::BlendFactor::InvSrcColor1"sv;
case boo::BlendFactor::Subtract:
return "boo::BlendFactor::Subtract"sv;
}
}
static bool StrToBlendFactor(std::string str, boo::BlendFactor& fac) {
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
if (str == "zero")
fac = boo::BlendFactor::Zero;
else if (str == "one")
fac = boo::BlendFactor::One;
else if (str == "srccolor")
fac = boo::BlendFactor::SrcColor;
else if (str == "invsrccolor")
fac = boo::BlendFactor::InvSrcColor;
else if (str == "dstcolor")
fac = boo::BlendFactor::DstColor;
else if (str == "invdstcolor")
fac = boo::BlendFactor::InvDstColor;
else if (str == "srcalpha")
fac = boo::BlendFactor::SrcAlpha;
else if (str == "invsrcalpha")
fac = boo::BlendFactor::InvSrcAlpha;
else if (str == "dstalpha")
fac = boo::BlendFactor::DstAlpha;
else if (str == "invdstalpha")
fac = boo::BlendFactor::InvDstAlpha;
else if (str == "srccolor1")
fac = boo::BlendFactor::SrcColor1;
else if (str == "invsrccolor1")
fac = boo::BlendFactor::InvSrcColor1;
else if (str == "subtract")
fac = boo::BlendFactor::Subtract;
else {
Log.report(logvisor::Error, "Unrecognized blend mode '%s'", str.c_str());
return false;
}
return true;
}
static std::string_view PrimitiveToStr(boo::Primitive prim) {
switch (prim) {
case boo::Primitive::Triangles:
default:
return "boo::Primitive::Triangles"sv;
case boo::Primitive::TriStrips:
return "boo::Primitive::TriStrips"sv;
case boo::Primitive::Patches:
return "boo::Primitive::Patches"sv;
}
}
static bool StrToPrimitive(std::string str, boo::Primitive& prim) {
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
if (str == "triangles")
prim = boo::Primitive::Triangles;
else if (str == "tristrips")
prim = boo::Primitive::TriStrips;
else if (str == "patches")
prim = boo::Primitive::Patches;
else {
Log.report(logvisor::Error, "Unrecognized primitive '%s'", str.c_str());
return false;
}
return true;
}
static std::string_view ZTestToStr(boo::ZTest ztest) {
switch (ztest) {
case boo::ZTest::None:
default:
return "boo::ZTest::None"sv;
case boo::ZTest::LEqual:
return "boo::ZTest::LEqual"sv;
case boo::ZTest::Greater:
return "boo::ZTest::Greater"sv;
case boo::ZTest::GEqual:
return "boo::ZTest::GEqual"sv;
case boo::ZTest::Equal:
return "boo::ZTest::Equal"sv;
}
}
static bool StrToZTest(std::string str, boo::ZTest& ztest) {
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
if (str == "none")
ztest = boo::ZTest::None;
else if (str == "lequal")
ztest = boo::ZTest::LEqual;
else if (str == "greater")
ztest = boo::ZTest::Greater;
else if (str == "gequal")
ztest = boo::ZTest::GEqual;
else if (str == "equal")
ztest = boo::ZTest::Equal;
else {
Log.report(logvisor::Error, "Unrecognized ztest '%s'", str.c_str());
return false;
}
return true;
}
static std::string_view CullModeToStr(boo::CullMode cull) {
switch (cull) {
case boo::CullMode::None:
default:
return "boo::CullMode::None"sv;
case boo::CullMode::Backface:
return "boo::CullMode::Backface"sv;
case boo::CullMode::Frontface:
return "boo::CullMode::Frontface"sv;
}
}
static bool StrToCullMode(std::string str, boo::CullMode& cull) {
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
if (str == "none")
cull = boo::CullMode::None;
else if (str == "backface")
cull = boo::CullMode::Backface;
else if (str == "frontface")
cull = boo::CullMode::Frontface;
else {
Log.report(logvisor::Error, "Unrecognized cull mode '%s'", str.c_str());
return false;
}
return true;
}
static std::string_view BoolToStr(bool b) { return b ? "true"sv : "false"sv; }
static bool StrToBool(std::string str, bool& b) {
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
if (strtol(str.c_str(), nullptr, 0))
b = true;
else if (str == "true")
b = true;
else if (str == "false")
b = false;
else {
Log.report(logvisor::Error, "Unrecognized bool '%s'", str.c_str());
return false;
}
return true;
}
bool Compiler::compileFile(SystemStringView file, std::string_view baseName, std::pair<std::string, std::string>& out) {
std::string includesPass;
if (!includeFile(file, includesPass))
return false;
std::string shaderName(baseName);
std::string shaderBase;
std::vector<std::pair<boo::VertexSemantic, int>> shaderAttributes;
bool shaderAttributesReset = false;
boo::AdditionalPipelineInfo shaderInfo = {};
std::string stagePlatforms;
StageType stageType;
auto stageBegin = includesPass.cend();
auto stageEnd = includesPass.cend();
std::unordered_map<std::string, std::pair<std::bitset<6>, std::set<std::string>>> shaderStageUses;
std::unordered_map<std::string, std::string> shaderBases;
auto _DoCompile = [&]() {
if (stageBegin == includesPass.end())
return true;
if (shaderName.empty()) {
Log.report(logvisor::Error, "`#shader <name>` must be issued before stages");
return false;
}
std::string stage(stageBegin, stageEnd);
for (const auto& define : m_defines) {
std::string::size_type pos = 0;
while ((pos = stage.find(define.first, pos)) != std::string::npos) {
stage = std::string(stage.begin(), stage.begin() + pos) + define.second +
std::string(stage.begin() + pos + define.first.size(), stage.end());
}
}
stageBegin = includesPass.end();
std::pair<std::bitset<6>, std::set<std::string>>& uses = shaderStageUses[shaderName];
uses.first.set(size_t(stageType));
uses.second.insert(stagePlatforms);
return StageAction<CompileStageAction>(stagePlatforms, stageType, shaderName, shaderBase, stage, out.second);
};
auto DoCompile = [&](std::string platform, StageType type, std::string::const_iterator end,
std::string::const_iterator begin) {
stageEnd = end;
bool ret = _DoCompile();
stagePlatforms = std::move(platform);
stageType = type;
stageBegin = begin;
return ret;
};
auto DoShader = [&]() {
if (shaderBase.empty() && shaderStageUses.find(shaderName) == shaderStageUses.cend())
return true;
std::pair<std::bitset<6>, std::set<std::string>>& uses = shaderStageUses[shaderName];
if (uses.first.test(5))
return true;
out.first += Format(ShaderHeaderTemplate, shaderName.c_str(), XXH64(shaderName.c_str(), shaderName.size(), 0));
out.first += Format(StageObjectHeaderTemplate, shaderName.c_str(), shaderName.c_str(), shaderName.c_str(),
shaderName.c_str());
if (!shaderBase.empty()) {
shaderBases[shaderName] = shaderBase;
for (int i = 0; i < 5; ++i) {
if (uses.first.test(size_t(i)))
continue;
std::string useBase = shaderBase;
std::unordered_map<std::string, std::pair<std::bitset<6>, std::set<std::string>>>::const_iterator baseUses =
shaderStageUses.find(useBase);
while (baseUses == shaderStageUses.cend() || !baseUses->second.first.test(size_t(i))) {
auto search = shaderBases.find(useBase);
if (search == shaderBases.cend())
break;
useBase = search->second;
baseUses = shaderStageUses.find(useBase);
}
if (baseUses == shaderStageUses.cend() || !baseUses->second.first.test(size_t(i)))
continue;
for (const std::string& basePlatforms : baseUses->second.second) {
StageAction<CompileSubStageAction>(basePlatforms, StageType(i), shaderName, useBase, {}, out.second);
}
}
shaderBase.clear();
}
out.second += Format("static const boo::VertexElementDescriptor %s_vtxfmtelems[] = {\n", shaderName.c_str());
for (const auto& attr : shaderAttributes) {
const char* fmt;
switch (attr.first & boo::VertexSemantic::SemanticMask) {
case boo::VertexSemantic::Position3:
fmt = "{boo::VertexSemantic::Position3%s, %d},\n";
break;
case boo::VertexSemantic::Position4:
fmt = "{boo::VertexSemantic::Position4%s, %d},\n";
break;
case boo::VertexSemantic::Normal3:
fmt = "{boo::VertexSemantic::Normal3%s, %d},\n";
break;
case boo::VertexSemantic::Normal4:
fmt = "{boo::VertexSemantic::Normal4%s, %d},\n";
break;
case boo::VertexSemantic::Color:
fmt = "{boo::VertexSemantic::Color%s, %d},\n";
break;
case boo::VertexSemantic::ColorUNorm:
fmt = "{boo::VertexSemantic::ColorUNorm%s, %d},\n";
break;
case boo::VertexSemantic::UV2:
fmt = "{boo::VertexSemantic::UV2%s, %d},\n";
break;
case boo::VertexSemantic::UV4:
fmt = "{boo::VertexSemantic::UV4%s, %d},\n";
break;
case boo::VertexSemantic::Weight:
fmt = "{boo::VertexSemantic::Weight%s, %d},\n";
break;
case boo::VertexSemantic::ModelView:
fmt = "{boo::VertexSemantic::ModelView%s, %d},\n";
break;
default:
fmt = "{boo::VertexSemantic::None%s, %d},\n";
break;
}
out.second += Format(fmt,
(attr.first & boo::VertexSemantic::Instanced) != boo::VertexSemantic::None
? " | boo::VertexSemantic::Instanced"
: "",
attr.second);
}
out.second += "};\n";
out.second += Format("const boo::VertexFormatInfo Shader_%s::VtxFmt = { %s_vtxfmtelems };\n\n", shaderName.c_str(),
shaderName.c_str());
out.second += Format("const boo::AdditionalPipelineInfo Shader_%s::PipelineInfo = {\n", shaderName.c_str());
out.second += BlendFactorToStr(shaderInfo.srcFac);
out.second += ", ";
out.second += BlendFactorToStr(shaderInfo.dstFac);
out.second += ", ";
out.second += PrimitiveToStr(shaderInfo.prim);
out.second += ", ";
out.second += ZTestToStr(shaderInfo.depthTest);
out.second += ",\n";
out.second += BoolToStr(shaderInfo.depthWrite);
out.second += ", ";
out.second += BoolToStr(shaderInfo.colorWrite);
out.second += ", ";
out.second += BoolToStr(shaderInfo.alphaWrite);
out.second += ", ";
out.second += CullModeToStr(shaderInfo.culling);
out.second += ", ";
out.second += Format("%d, ", shaderInfo.patchSize);
out.second += BoolToStr(shaderInfo.overwriteAlpha);
out.second += ", ";
out.second += BoolToStr(shaderInfo.depthAttachment);
out.second += ", ";
out.second += "};\n\n";
uses.first.set(5);
return true;
};
auto AddAttribute = [&](std::string semantic, std::string idx, bool inst) {
if (shaderAttributesReset) {
shaderAttributes.clear();
shaderAttributesReset = false;
}
boo::VertexSemantic orsem = inst ? boo::VertexSemantic::Instanced : boo::VertexSemantic::None;
int idxNum = int(strtoul(idx.c_str(), nullptr, 10));
std::transform(semantic.begin(), semantic.end(), semantic.begin(), ::tolower);
if (semantic == "position3")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::Position3 | orsem, idxNum));
else if (semantic == "position4")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::Position4 | orsem, idxNum));
else if (semantic == "normal3")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::Normal3 | orsem, idxNum));
else if (semantic == "normal4")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::Normal4 | orsem, idxNum));
else if (semantic == "color")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::Color | orsem, idxNum));
else if (semantic == "colorunorm")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::ColorUNorm | orsem, idxNum));
else if (semantic == "uv2")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::UV2 | orsem, idxNum));
else if (semantic == "uv4")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::UV4 | orsem, idxNum));
else if (semantic == "weight")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::Weight | orsem, idxNum));
else if (semantic == "modelview")
shaderAttributes.push_back(std::make_pair(boo::VertexSemantic::ModelView | orsem, idxNum));
else {
Log.report(logvisor::Error, "Unrecognized vertex semantic '%s'", semantic.c_str());
return false;
}
return true;
};
auto begin = includesPass.cbegin();
auto end = includesPass.cend();
std::string* defineContinue = nullptr;
while (begin != end) {
std::string::const_iterator nextBegin;
auto findPos = includesPass.find('\n', begin - includesPass.cbegin());
if (findPos == std::string::npos)
nextBegin = end;
else
nextBegin = includesPass.cbegin() + findPos + 1;
std::smatch subMatch;
if (defineContinue) {
std::string extraLine;
if (findPos == std::string::npos)
extraLine = std::string(begin, end);
else
extraLine = std::string(begin, includesPass.cbegin() + findPos);
*defineContinue += extraLine;
if (!defineContinue->empty() && defineContinue->back() == '\r')
defineContinue->pop_back();
if (!defineContinue->empty() && defineContinue->back() == '\\')
defineContinue->pop_back();
else
defineContinue = nullptr;
} else if (std::regex_search(begin, nextBegin, subMatch, regDefine)) {
std::string& defOut = m_defines[subMatch[1].str()];
defOut = subMatch[2].str();
if (!defOut.empty() && defOut.back() == '\r')
defOut.pop_back();
if (!defOut.empty() && defOut.back() == '\\') {
defOut.pop_back();
defineContinue = &defOut;
}
} else if (std::regex_search(begin, nextBegin, subMatch, regShaderEx)) {
stageEnd = begin;
if (!_DoCompile() || !DoShader())
return false;
shaderName = subMatch[1].str();
shaderBase = subMatch[2].str();
shaderAttributesReset = true;
// shaderAttributes.clear();
// shaderInfo = boo::AdditionalPipelineInfo();
} else if (std::regex_search(begin, nextBegin, subMatch, regShader)) {
stageEnd = begin;
if (!_DoCompile() || !DoShader())
return false;
shaderName = subMatch[1].str();
shaderAttributesReset = true;
// shaderAttributes.clear();
// shaderInfo = boo::AdditionalPipelineInfo();
} else if (std::regex_search(begin, nextBegin, subMatch, regAttributeEx)) {
if (!AddAttribute(subMatch[1].str(), subMatch[2].str(), false))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regAttribute)) {
if (!AddAttribute(subMatch[1].str(), "0", false))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regInstAttributeEx)) {
if (!AddAttribute(subMatch[1].str(), subMatch[2].str(), true))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regInstAttribute)) {
if (!AddAttribute(subMatch[1].str(), "0", true))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regSrcFac)) {
if (!StrToBlendFactor(subMatch[1].str(), shaderInfo.srcFac))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regDstFac)) {
if (!StrToBlendFactor(subMatch[1].str(), shaderInfo.dstFac))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regPrim)) {
if (!StrToPrimitive(subMatch[1].str(), shaderInfo.prim))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regZTest)) {
if (!StrToZTest(subMatch[1].str(), shaderInfo.depthTest))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regDepthWrite)) {
if (!StrToBool(subMatch[1].str(), shaderInfo.depthWrite))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regColorWrite)) {
if (!StrToBool(subMatch[1].str(), shaderInfo.colorWrite))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regAlphaWrite)) {
if (!StrToBool(subMatch[1].str(), shaderInfo.alphaWrite))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regCulling)) {
if (!StrToCullMode(subMatch[1].str(), shaderInfo.culling))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regPatchSize)) {
auto str = subMatch[1].str();
char* endptr;
shaderInfo.patchSize = uint32_t(strtoul(str.c_str(), &endptr, 0));
if (endptr == str.c_str()) {
Log.report(logvisor::Error, "Non-unsigned-integer value for #patchsize directive");
return false;
}
} else if (std::regex_search(begin, nextBegin, subMatch, regOverwriteAlpha)) {
if (!StrToBool(subMatch[1].str(), shaderInfo.overwriteAlpha))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regDepthAttachment)) {
if (!StrToBool(subMatch[1].str(), shaderInfo.depthAttachment))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regVertex)) {
if (!DoCompile(subMatch[1].str(), StageType::Vertex, begin, nextBegin))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regFragment)) {
if (!DoCompile(subMatch[1].str(), StageType::Fragment, begin, nextBegin))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regGeometry)) {
if (!DoCompile(subMatch[1].str(), StageType::Geometry, begin, nextBegin))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regControl)) {
if (!DoCompile(subMatch[1].str(), StageType::Control, begin, nextBegin))
return false;
} else if (std::regex_search(begin, nextBegin, subMatch, regEvaluation)) {
if (!DoCompile(subMatch[1].str(), StageType::Evaluation, begin, nextBegin))
return false;
}
begin = nextBegin;
}
stageEnd = begin;
if (!_DoCompile() || !DoShader())
return false;
out.first += "#define UNIVERSAL_PIPELINES_";
out.first += baseName;
for (const auto& shader : shaderStageUses) {
out.first += " \\\n";
out.first += "::Shader_";
out.first += shader.first;
}
out.first += "\n";
out.first += "#define STAGES_";
out.first += baseName;
out.first += "(P, S)";
for (const auto& shader : shaderStageUses) {
out.first += " \\\n";
out.first += "::StageObject_";
out.first += shader.first;
out.first += "<P, S>,";
}
out.first += "\n";
return true;
}
bool Compiler::compile(std::string_view baseName, std::pair<std::string, std::string>& out) {
out = {
"#pragma once\n"
"#include \"hecl/PipelineBase.hpp\"\n\n",
Format("#include \"%s.hpp\"\n\n", baseName.data())};
for (const auto& file : m_inputFiles)
if (!compileFile(file, baseName, out))
return false;
return true;
}
} // namespace hecl::shaderc