mirror of
https://github.com/Blinue/Magpie.git
synced 2026-06-24 02:04:10 +00:00
299 lines
7.2 KiB
C++
299 lines
7.2 KiB
C++
#include "pch.h"
|
||
#include "Effect.h"
|
||
#include "App.h"
|
||
#include "Utils.h"
|
||
#include <DirectXColors.h>
|
||
|
||
extern std::shared_ptr<spdlog::logger> logger;
|
||
|
||
|
||
bool Effect::InitializeFromString(std::string_view hlsl) {
|
||
/*Renderer& renderer = App::GetInstance().GetRenderer();
|
||
_Pass& pass = _passes.emplace_back();
|
||
|
||
if (!pass.Initialize(this, hlsl)) {
|
||
SPDLOG_LOGGER_ERROR(logger, "Pass1 初始化失败");
|
||
return false;
|
||
}
|
||
PassDesc& desc = _passDescs.emplace_back();
|
||
desc.inputs.push_back(0);
|
||
desc.samplers.push_back(0);
|
||
desc.output = 1;
|
||
|
||
_samplers.emplace_back(renderer.GetSampler(Renderer::FilterType::LINEAR));*/
|
||
|
||
return false;
|
||
}
|
||
|
||
bool Effect::InitializeFromFile(const wchar_t* fileName) {
|
||
std::string psText;
|
||
if (!Utils::ReadTextFile(fileName, psText)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::format("读取着色器文件{}失败", Utils::UTF16ToUTF8(fileName)));
|
||
return false;
|
||
}
|
||
|
||
return InitializeFromString(psText);
|
||
}
|
||
|
||
bool Effect::InitializeLanczos() {
|
||
Renderer& renderer = App::GetInstance().GetRenderer();
|
||
_d3dDevice = renderer.GetD3DDevice();
|
||
_d3dDC = renderer.GetD3DDC();
|
||
_vertexShader = renderer.GetVSShader();
|
||
|
||
const wchar_t* fileName = L"shaders\\Lanczos6.hlsl";
|
||
std::string hlsl;
|
||
if (!Utils::ReadTextFile(fileName, hlsl)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::format("读取着色器文件{}失败", Utils::UTF16ToUTF8(fileName)));
|
||
return false;
|
||
}
|
||
|
||
_Pass& pass = _passes.emplace_back();
|
||
|
||
if (!pass.Initialize(this, hlsl)) {
|
||
SPDLOG_LOGGER_ERROR(logger, "Pass1 初始化失败");
|
||
return false;
|
||
}
|
||
PassDesc& desc = _passDescs.emplace_back();
|
||
desc.inputs.push_back(0);
|
||
desc.samplers.push_back(0);
|
||
desc.constants.push_back(0);
|
||
desc.constants.push_back(1);
|
||
desc.output = 1;
|
||
|
||
_samplers.emplace_back(renderer.GetSampler(Renderer::FilterType::LINEAR));
|
||
|
||
EffectConstantDesc& desc1 = _constantDescs.emplace_back();
|
||
desc1.name = "scaleX";
|
||
desc1.type = EffectConstantType::Float;
|
||
desc1.defaultValue = 1.0f;
|
||
|
||
_constants.emplace_back();
|
||
_constants.emplace_back();
|
||
|
||
// 大小必须为 4 的倍数
|
||
_constants.resize((_constants.size() + 3) / 4 * 4);
|
||
|
||
return true;
|
||
}
|
||
|
||
bool Effect::SetConstant(int index, float value) {
|
||
if (index < 0 || index >= _constantDescs.size()) {
|
||
return false;
|
||
}
|
||
|
||
const auto& desc = _constantDescs[index];
|
||
if (desc.type != EffectConstantType::Float) {
|
||
return false;
|
||
}
|
||
|
||
if (_constants[static_cast<size_t>(index) + 2].floatVal == value) {
|
||
return true;
|
||
}
|
||
|
||
// 检查是否是合法的值
|
||
if (desc.minValue.index() == 1) {
|
||
if (desc.includeMin) {
|
||
if (value < std::get<float>(desc.minValue)) {
|
||
return false;
|
||
}
|
||
} else {
|
||
if (value <= std::get<float>(desc.minValue)) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (desc.maxValue.index() == 1) {
|
||
if (desc.includeMax) {
|
||
if (value > std::get<float>(desc.maxValue)) {
|
||
return false;
|
||
}
|
||
} else {
|
||
if (value >= std::get<float>(desc.maxValue)) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
_constants[static_cast<size_t>(index) + 2].floatVal = value;
|
||
|
||
return true;
|
||
}
|
||
|
||
bool Effect::SetConstant(int index, int value) {
|
||
if (index < 0 || index >= _constantDescs.size()) {
|
||
return false;
|
||
}
|
||
|
||
const auto& desc = _constantDescs[index];
|
||
if (desc.type != EffectConstantType::Int) {
|
||
return false;
|
||
}
|
||
|
||
if (_constants[index].intVal == value) {
|
||
return true;
|
||
}
|
||
|
||
// 检查是否是合法的值
|
||
if (desc.minValue.index() == 2) {
|
||
if (desc.includeMin) {
|
||
if (value < std::get<int>(desc.minValue)) {
|
||
return false;
|
||
}
|
||
} else {
|
||
if (value <= std::get<int>(desc.minValue)) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (desc.maxValue.index() == 2) {
|
||
if (desc.includeMax) {
|
||
if (value > std::get<int>(desc.maxValue)) {
|
||
return false;
|
||
}
|
||
} else {
|
||
if (value >= std::get<int>(desc.maxValue)) {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
_constants[index].intVal = value;
|
||
|
||
return true;
|
||
}
|
||
|
||
SIZE Effect::CalcOutputSize(SIZE inputSize) const {
|
||
return {};
|
||
}
|
||
|
||
bool Effect::CanSetOutputSize() const {
|
||
return true;
|
||
}
|
||
|
||
void Effect::SetOutputSize(SIZE value) {
|
||
|
||
}
|
||
|
||
bool Effect::Build(ComPtr<ID3D11Texture2D> input, ComPtr<ID3D11Texture2D> output) {
|
||
_textures.emplace_back(input);
|
||
_textures.emplace_back(output);
|
||
|
||
D3D11_TEXTURE2D_DESC inputDesc;
|
||
input->GetDesc(&inputDesc);
|
||
|
||
_constants[0].floatVal = 1.0f / inputDesc.Width;
|
||
_constants[1].floatVal = 1.0f / inputDesc.Height;
|
||
|
||
// 创建常量缓冲区
|
||
D3D11_BUFFER_DESC bd{};
|
||
bd.Usage = D3D11_USAGE_DEFAULT;
|
||
bd.ByteWidth = 4 * (UINT)_constants.size();
|
||
bd.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
|
||
|
||
D3D11_SUBRESOURCE_DATA initData{};
|
||
initData.pSysMem = _constants.data();
|
||
|
||
HRESULT hr = _d3dDevice->CreateBuffer(&bd, &initData, &_constantBuffer);
|
||
if (FAILED(hr)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::sprintf("CreateBuffer 失败\n\tHRESULT：0x%X", hr));
|
||
return false;
|
||
}
|
||
|
||
for (int i = 0; i < _passes.size(); ++i) {
|
||
PassDesc& desc = _passDescs[i];
|
||
if (!_passes[i].Build(desc.inputs, desc.samplers, output)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::format("构建 Pass{} 时出错", i + 1));
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
void Effect::Draw() {
|
||
ID3D11Buffer* t = _constantBuffer.Get();
|
||
_d3dDC->PSSetConstantBuffers(0, 1, &t);
|
||
|
||
for (_Pass& pass : _passes) {
|
||
pass.Draw();
|
||
}
|
||
}
|
||
|
||
|
||
bool Effect::_Pass::Initialize(Effect* parent, const std::string& pixelShader) {
|
||
Renderer& renderer = App::GetInstance().GetRenderer();
|
||
_parent = parent;
|
||
_d3dDC = renderer.GetD3DDC();
|
||
|
||
ComPtr<ID3DBlob> blob = nullptr;
|
||
if (!Utils::CompilePixelShader(pixelShader.c_str(), pixelShader.size(), &blob)) {
|
||
return false;
|
||
}
|
||
|
||
HRESULT hr = renderer.GetD3DDevice()->CreatePixelShader(blob->GetBufferPointer(), blob->GetBufferSize(), nullptr, &_pixelShader);
|
||
if (FAILED(hr)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::sprintf("创建像素着色器失败\n\tHRESULT：0x%X", hr));
|
||
return false;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
bool Effect::_Pass::Build(
|
||
const std::vector<int>& inputs,
|
||
const std::vector<int>& samplers,
|
||
ComPtr<ID3D11Texture2D> output
|
||
) {
|
||
Renderer& renderer = App::GetInstance().GetRenderer();
|
||
HRESULT hr;
|
||
|
||
_inputs.resize(inputs.size());
|
||
for (int i = 0; i < _inputs.size(); ++i) {
|
||
hr = renderer.GetShaderResourceView(_parent->_textures[inputs[i]].Get(), &_inputs[i]);
|
||
if (FAILED(hr)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::sprintf("获取 ShaderResourceView 失败\n\tHRESULT：0x%X", hr));
|
||
return false;
|
||
}
|
||
}
|
||
|
||
_samplers.resize(samplers.size());
|
||
for (int i = 0; i < _samplers.size(); ++i) {
|
||
_samplers[i] = _parent->_samplers[samplers[i]].Get();
|
||
}
|
||
|
||
hr = App::GetInstance().GetRenderer().GetRenderTargetView(output.Get(), &_outputRtv);
|
||
if (FAILED(hr)) {
|
||
SPDLOG_LOGGER_ERROR(logger, fmt::sprintf("获取 RenderTargetView 失败\n\tHRESULT：0x%X", hr));
|
||
return false;
|
||
}
|
||
|
||
D3D11_TEXTURE2D_DESC desc;
|
||
output->GetDesc(&desc);
|
||
SIZE outputTextureSize = { (LONG)desc.Width, (LONG)desc.Height };
|
||
|
||
_vp.Width = (float)outputTextureSize.cx;
|
||
_vp.Height = (float)outputTextureSize.cy;
|
||
_vp.MinDepth = 0.0f;
|
||
_vp.MaxDepth = 1.0f;
|
||
|
||
return true;
|
||
}
|
||
|
||
void Effect::_Pass::Draw() {
|
||
_d3dDC->PSSetShaderResources(0, 0, nullptr);
|
||
_d3dDC->OMSetRenderTargets(1, &_outputRtv, nullptr);
|
||
_d3dDC->RSSetViewports(1, &_vp);
|
||
|
||
_d3dDC->PSSetShader(_pixelShader.Get(), nullptr, 0);
|
||
if (!_samplers.empty()) {
|
||
_d3dDC->PSSetSamplers(0, (UINT)_samplers.size(), _samplers.data());
|
||
}
|
||
if (!_inputs.empty()) {
|
||
_d3dDC->PSSetShaderResources(0, (UINT)_inputs.size(), _inputs.data());
|
||
}
|
||
|
||
_d3dDC->Draw(3, 0);
|
||
}
|