sgilissen/llamaplayer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rewrite host GPU abstraction

Browse Source 
- Don't have to repeat the same thing for 4 renderers.
 - Add native Metal renderer.
This commit is contained in:
Stenzek
2023-08-13 13:42:02 +10:00
parent bfa792ddbf
commit e3d9ba4c99
249 changed files with 28851 additions and 32222 deletions
Download Patch File Download Diff File Expand all files Collapse all files

249
src/util/postprocessing_shader.cpp
View File

@ -2,18 +2,18 @@
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#include "postprocessing_shader.h"
#include "common/file_system.h"
#include "common/log.h"
#include "common/string_util.h"
#include "shadergen.h"
#include <cctype>
#include <cstring>
#include <sstream>
Log_SetChannel(PostProcessingShader);
namespace FrontendCommon {
void ParseKeyValue(const std::string_view& line, std::string_view* key, std::string_view* value)
void PostProcessingShader::ParseKeyValue(const std::string_view& line, std::string_view* key, std::string_view* value)
{
size_t key_start = 0;
while (key_start < line.size() && std::isspace(line[key_start]))
@ -49,7 +49,7 @@ void ParseKeyValue(const std::string_view& line, std::string_view* key, std::str
}
template<typename T>
u32 ParseVector(const std::string_view& line, PostProcessingShader::Option::ValueVector* values)
u32 PostProcessingShader::ParseVector(const std::string_view& line, PostProcessingShader::Option::ValueVector* values)
{
u32 index = 0;
size_t start = 0;
@ -88,46 +88,22 @@ u32 ParseVector(const std::string_view& line, PostProcessingShader::Option::Valu
return size;
}
template u32 PostProcessingShader::ParseVector<s32>(const std::string_view& line,
PostProcessingShader::Option::ValueVector* values);
template u32 PostProcessingShader::ParseVector<float>(const std::string_view& line,
PostProcessingShader::Option::ValueVector* values);
PostProcessingShader::PostProcessingShader() = default;
PostProcessingShader::PostProcessingShader(std::string name, std::string code) : m_name(name), m_code(code)
{
LoadOptions();
}
PostProcessingShader::PostProcessingShader(const PostProcessingShader& copy)
: m_name(copy.m_name), m_code(copy.m_code), m_options(copy.m_options)
{
}
PostProcessingShader::PostProcessingShader(PostProcessingShader& move)
: m_name(std::move(move.m_name)), m_code(std::move(move.m_code)), m_options(std::move(move.m_options))
PostProcessingShader::PostProcessingShader(std::string name) : m_name(std::move(name))
{
}
PostProcessingShader::~PostProcessingShader() = default;
bool PostProcessingShader::LoadFromFile(std::string name, const char* filename)
{
std::optional<std::string> code = FileSystem::ReadFileToString(filename);
if (!code.has_value() || code->empty())
return false;
return LoadFromString(std::move(name), code.value());
}
bool PostProcessingShader::LoadFromString(std::string name, std::string code)
{
m_name = std::move(name);
m_code = std::move(code);
m_options.clear();
LoadOptions();
return true;
}
bool PostProcessingShader::IsValid() const
{
return !m_name.empty() && !m_code.empty();
return false;
}
const PostProcessingShader::Option* PostProcessingShader::GetOptionByName(const std::string_view& name) const
@ -141,7 +117,7 @@ const PostProcessingShader::Option* PostProcessingShader::GetOptionByName(const
return nullptr;
}
FrontendCommon::PostProcessingShader::Option* PostProcessingShader::GetOptionByName(const std::string_view& name)
PostProcessingShader::Option* PostProcessingShader::GetOptionByName(const std::string_view& name)
{
for (Option& option : m_options)
{
@ -237,202 +213,3 @@ void PostProcessingShader::SetConfigString(const std::string_view& str)
last_sep = next_sep + 1;
}
}
bool PostProcessingShader::UsePushConstants() const
{
return GetUniformsSize() <= PUSH_CONSTANT_SIZE_THRESHOLD;
}
u32 PostProcessingShader::GetUniformsSize() const
{
// lazy packing. todo improve.
return sizeof(CommonUniforms) + (sizeof(Option::ValueVector) * static_cast<u32>(m_options.size()));
}
void PostProcessingShader::FillUniformBuffer(void* buffer, u32 texture_width, s32 texture_height, s32 texture_view_x,
s32 texture_view_y, s32 texture_view_width, s32 texture_view_height,
u32 window_width, u32 window_height, s32 original_width,
s32 original_height, float time) const
{
CommonUniforms* common = static_cast<CommonUniforms*>(buffer);
const float rcp_texture_width = 1.0f / static_cast<float>(texture_width);
const float rcp_texture_height = 1.0f / static_cast<float>(texture_height);
common->src_rect[0] = static_cast<float>(texture_view_x) * rcp_texture_width;
common->src_rect[1] = static_cast<float>(texture_view_y) * rcp_texture_height;
common->src_rect[2] = (static_cast<float>(texture_view_x + texture_view_width - 1)) * rcp_texture_width;
common->src_rect[3] = (static_cast<float>(texture_view_y + texture_view_height - 1)) * rcp_texture_height;
common->src_size[0] = (static_cast<float>(texture_view_width)) * rcp_texture_width;
common->src_size[1] = (static_cast<float>(texture_view_height)) * rcp_texture_height;
common->resolution[0] = static_cast<float>(texture_width);
common->resolution[1] = static_cast<float>(texture_height);
common->rcp_resolution[0] = rcp_texture_width;
common->rcp_resolution[1] = rcp_texture_height;
common->window_resolution[0] = static_cast<float>(window_width);
common->window_resolution[1] = static_cast<float>(window_height);
common->rcp_window_resolution[0] = 1.0f / static_cast<float>(window_width);
common->rcp_window_resolution[1] = 1.0f / static_cast<float>(window_height);
// pad the "original size" relative to the positioning on the screen
const float view_scale_x = static_cast<float>(original_width) / static_cast<float>(texture_view_width);
const float view_scale_y = static_cast<float>(original_height) / static_cast<float>(texture_view_height);
const s32 view_pad_x = texture_view_x + (texture_width - texture_view_width - texture_view_x);
const s32 view_pad_y = texture_view_y + (texture_height - texture_view_height - texture_view_y);
common->original_size[0] = static_cast<float>(original_width);
common->original_size[1] = static_cast<float>(original_height);
common->padded_original_size[0] = common->original_size[0] + static_cast<float>(view_pad_x) * view_scale_x;
common->padded_original_size[1] = common->original_size[1] + static_cast<float>(view_pad_y) * view_scale_y;
common->time = time;
u8* option_values = reinterpret_cast<u8*>(common + 1);
for (const Option& option : m_options)
{
std::memcpy(option_values, option.value.data(), sizeof(Option::ValueVector));
option_values += sizeof(Option::ValueVector);
}
}
FrontendCommon::PostProcessingShader& PostProcessingShader::operator=(const PostProcessingShader& copy)
{
m_name = copy.m_name;
m_code = copy.m_code;
m_options = copy.m_options;
return *this;
}
FrontendCommon::PostProcessingShader& PostProcessingShader::operator=(PostProcessingShader& move)
{
m_name = std::move(move.m_name);
m_code = std::move(move.m_code);
m_options = std::move(move.m_options);
return *this;
}
void PostProcessingShader::LoadOptions()
{
// Adapted from Dolphin's PostProcessingConfiguration::LoadOptions().
constexpr char config_start_delimiter[] = "[configuration]";
constexpr char config_end_delimiter[] = "[/configuration]";
size_t configuration_start = m_code.find(config_start_delimiter);
size_t configuration_end = m_code.find(config_end_delimiter);
if (configuration_start == std::string::npos || configuration_end == std::string::npos)
{
// Issue loading configuration or there isn't one.
return;
}
std::string configuration_string =
m_code.substr(configuration_start + std::strlen(config_start_delimiter),
configuration_end - configuration_start - std::strlen(config_start_delimiter));
std::istringstream in(configuration_string);
Option current_option = {};
while (!in.eof())
{
std::string line_str;
if (std::getline(in, line_str))
{
std::string_view line_view = line_str;
// 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);
if (line_view.empty())
continue;
if (line_view[0] == '[')
{
size_t endpos = line_view.find("]");
if (endpos != std::string::npos)
{
if (current_option.type != Option::Type::Invalid)
{
current_option.value = current_option.default_value;
if (current_option.ui_name.empty())
current_option.ui_name = current_option.name;
if (!current_option.name.empty() && current_option.vector_size > 0)
m_options.push_back(std::move(current_option));
current_option = {};
}
// New section!
std::string_view sub = line_view.substr(1, endpos - 1);
if (sub == "OptionBool")
current_option.type = Option::Type::Bool;
else if (sub == "OptionRangeFloat")
current_option.type = Option::Type::Float;
else if (sub == "OptionRangeInteger")
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++].int_value = StringUtil::FromChars<bool>(value).value_or(false) ? 1 : 0;
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());
}
}
}
}
if (current_option.type != Option::Type::Invalid && !current_option.name.empty() && current_option.vector_size > 0)
{
current_option.value = current_option.default_value;
if (current_option.ui_name.empty())
current_option.ui_name = current_option.name;
m_options.push_back(std::move(current_option));
}
}
} // namespace FrontendCommon