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PostProcessingShader: Fix errors in shader parsing

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This commit is contained in:
Connor McLaughlin 2020-09-13 18:39:40 +10:00
parent a7e27d778b
commit 60ed9e7191
4 changed files with 67 additions and 57 deletions
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1
src/core/shadergen.cpp
View file

@ -155,6 +155,7 @@ void ShaderGen::WriteHeader(std::stringstream& ss)
{
ss << "#define HLSL 1\n";
ss << "#define roundEven round\n";
ss << "#define mix lerp\n";
ss << "#define CONSTANT static const\n";
ss << "#define VECTOR_EQ(a, b) (all((a) == (b)))\n";
ss << "#define VECTOR_NEQ(a, b) (any((a) != (b)))\n";

115
src/frontend-common/postprocessing_shader.cpp
View file

@ -34,9 +34,9 @@ void ParseKeyValue(const std::string_view& line, std::string_view* key, std::str
while (value_start < line.size() && std::isspace(line[value_start]))
value_start++;
size_t value_end = value_start;
while (value_end < line.size() && !std::isspace(line[value_end]))
value_end++;
size_t value_end = line.size();
while (value_end > value_start && std::isspace(line[value_end - 1]))
value_end--;
if (value_start == value_end)
return;
@ -52,15 +52,24 @@ u32 ParseVector(const std::string_view& line, PostProcessingShader::Option::Valu
size_t start = 0;
while (index < PostProcessingShader::Option::MAX_VECTOR_COMPONENTS)
{
size_t end = line.find(',');
while (start < line.size() && std::isspace(line[start]))
start++;
if (start >= line.size())
break;
size_t end = line.find(',', start);
if (end == std::string_view::npos)
end = line.size();
T value = StringUtil::FromChars<T>(line.substr(start, end - start)).value_or(static_cast<T>(0));
const std::string_view component = line.substr(start, end - start);
T value = StringUtil::FromChars<T>(component).value_or(static_cast<T>(0));
if constexpr (std::is_same_v<T, float>)
(*values)[index++].float_value = value;
else if constexpr (std::is_same_v<T, s32>)
(*values)[index++].int_value = value;
start = end + 1;
}
const u32 size = index;
@ -308,11 +317,9 @@ void PostProcessingShader::LoadOptions()
{
std::string_view line_view = line_str;
#ifndef _WIN32
// Check for CRLF eol and convert it to LF
if (!line_view.empty() && line_view.at(line_view.size() - 1) == '\r')
line_view.remove_suffix(1);
#endif
if (line_view.empty())
continue;
@ -344,56 +351,56 @@ void PostProcessingShader::LoadOptions()
current_option.type = Option::Type::Int;
else
Log_ErrorPrintf("Invalid option type: '%s'", line_str.c_str());
continue;
}
}
if (current_option.type == Option::Type::Invalid)
continue;
std::string_view key, value;
ParseKeyValue(line_view, &key, &value);
if (!key.empty() && !value.empty())
{
if (key == "GUIName")
{
current_option.ui_name = value;
}
else if (key == "OptionName")
{
current_option.name = value;
}
else if (key == "DependentOption")
{
current_option.dependent_option = value;
}
else if (key == "MinValue" || key == "MaxValue" || key == "DefaultValue" || key == "StepAmount")
{
Option::ValueVector* dst_array;
if (key == "MinValue")
dst_array = &current_option.min_value;
else if (key == "MaxValue")
dst_array = &current_option.max_value;
else if (key == "DefaultValue")
dst_array = &current_option.default_value;
else // if (key == "StepAmount")
dst_array = &current_option.step_value;
u32 size = 0;
if (current_option.type == Option::Type::Bool)
(*dst_array)[size++].bool_value = StringUtil::FromChars<bool>(value).value_or(false);
else if (current_option.type == Option::Type::Float)
size = ParseVector<float>(value, dst_array);
else if (current_option.type == Option::Type::Int)
size = ParseVector<s32>(value, dst_array);
current_option.vector_size =
(current_option.vector_size == 0) ? size : std::min(current_option.vector_size, size);
}
else
{
if (current_option.type == Option::Type::Invalid)
continue;
std::string_view key, value;
ParseKeyValue(line_view, &key, &value);
if (!key.empty() && !value.empty())
{
if (key == "GUIName")
{
current_option.ui_name = value;
}
else if (key == "OptionName")
{
current_option.name = value;
}
else if (key == "DependentOption")
{
current_option.dependent_option = value;
}
else if (key == "MinValue" || key == "MaxValue" || key == "DefaultValue" || key == "StepAmount")
{
Option::ValueVector* dst_array;
if (key == "MinValue")
dst_array = &current_option.min_value;
else if (key == "MaxValue")
dst_array = &current_option.max_value;
else if (key == "DefaultValue")
dst_array = &current_option.default_value;
else // if (key == "StepAmount")
dst_array = &current_option.step_value;
u32 size = 0;
if (current_option.type == Option::Type::Bool)
(*dst_array)[size++].bool_value = StringUtil::FromChars<bool>(value).value_or(false);
else if (current_option.type == Option::Type::Float)
size = ParseVector<float>(value, dst_array);
else if (current_option.type == Option::Type::Int)
size = ParseVector<s32>(value, dst_array);
current_option.vector_size =
(current_option.vector_size != 0) ? size : std::min(current_option.vector_size, size);
}
else
{
Log_ErrorPrintf("Invalid option key: '%s'", line_str.c_str());
}
}
Log_ErrorPrintf("Invalid option key: '%s'", line_str.c_str());
}
}
}

2
src/frontend-common/postprocessing_shader.h
View file

@ -66,6 +66,8 @@ public:
ALWAYS_INLINE const std::string& GetName() const { return m_name; }
ALWAYS_INLINE const std::string& GetCode() const { return m_code; }
ALWAYS_INLINE const std::vector<Option>& GetOptions() const { return m_options; }
ALWAYS_INLINE std::vector<Option>& GetOptions() { return m_options; }
ALWAYS_INLINE bool HasOptions() const { return !m_options.empty(); }
bool IsValid() const;

6
src/frontend-common/postprocessing_shadergen.cpp
View file

@ -147,14 +147,14 @@ void PostProcessingShaderGen::WriteUniformBuffer(std::stringstream& ss, const Po
ss << " float ubo_pad" << (pad_counter++) << ";\n";
ss << "\n";
static constexpr std::array<const char*, PostProcessingShader::Option::MAX_VECTOR_COMPONENTS> vector_size_suffix = {
{"", "2", "3", "4"}};
static constexpr std::array<const char*, PostProcessingShader::Option::MAX_VECTOR_COMPONENTS + 1> vector_size_suffix =
{{"", "", "2", "3", "4"}};
for (const PostProcessingShader::Option& option : shader.GetOptions())
{
switch (option.type)
{
case PostProcessingShader::Option::Type::Bool:
ss << " bool u_option_" << option.name << ";\n";
ss << " bool " << option.name << ";\n";
for (u32 i = option.vector_size; i < PostProcessingShader::Option::MAX_VECTOR_COMPONENTS; i++)
ss << " bool ubo_pad" << (pad_counter++) << ";\n";
break;