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runtime_d3d11.cpp
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runtime_d3d11.cpp
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/*
* Copyright (C) 2014 Patrick Mours. All rights reserved.
* License: https://github.com/crosire/reshade#license
*/
#include "dll_log.hpp"
#include "dll_resources.hpp"
#include "runtime_d3d11.hpp"
#include "runtime_d3d11_objects.hpp"
#include "dxgi/format_utils.hpp"
#include <d3dcompiler.h>
extern bool is_windows7();
static inline void set_debug_name(ID3D11DeviceChild *object, LPCWSTR name)
{
// WKPDID_D3DDebugObjectNameW
const GUID debug_object_name_guid = { 0x4cca5fd8, 0x921f, 0x42c8, { 0x85, 0x66, 0x70, 0xca, 0xf2, 0xa9, 0xb7, 0x41 } };
object->SetPrivateData(debug_object_name_guid, static_cast<UINT>(wcslen(name) * sizeof(WCHAR)), name);
}
reshade::d3d11::runtime_impl::runtime_impl(device_impl *device, device_context_impl *immediate_context, IDXGISwapChain *swapchain) :
api_object_impl(swapchain),
_device(device->_orig),
_immediate_context(immediate_context->_orig),
_device_impl(device),
_immediate_context_impl(immediate_context),
_app_state(device->_orig)
{
_renderer_id = _device->GetFeatureLevel();
if (com_ptr<IDXGIDevice> dxgi_device;
SUCCEEDED(_device->QueryInterface(&dxgi_device)))
{
if (com_ptr<IDXGIAdapter> dxgi_adapter;
SUCCEEDED(dxgi_device->GetAdapter(&dxgi_adapter)))
{
if (DXGI_ADAPTER_DESC desc; SUCCEEDED(dxgi_adapter->GetDesc(&desc)))
{
_vendor_id = desc.VendorId;
_device_id = desc.DeviceId;
LOG(INFO) << "Running on " << desc.Description;
}
}
}
if (_orig != nullptr && !on_init())
LOG(ERROR) << "Failed to initialize Direct3D 11 runtime environment on runtime " << this << '!';
}
reshade::d3d11::runtime_impl::~runtime_impl()
{
on_reset();
if (_d3d_compiler != nullptr)
FreeLibrary(_d3d_compiler);
}
bool reshade::d3d11::runtime_impl::on_init()
{
assert(_orig != nullptr);
DXGI_SWAP_CHAIN_DESC swap_desc;
if (FAILED(_orig->GetDesc(&swap_desc)))
return false;
return on_init(swap_desc);
}
bool reshade::d3d11::runtime_impl::on_init(const DXGI_SWAP_CHAIN_DESC &swap_desc)
{
_width = _window_width = swap_desc.BufferDesc.Width;
_height = _window_height = swap_desc.BufferDesc.Height;
_color_bit_depth = dxgi_format_color_depth(swap_desc.BufferDesc.Format);
_backbuffer_format = swap_desc.BufferDesc.Format;
if (swap_desc.OutputWindow != nullptr)
{
RECT window_rect = {};
GetClientRect(swap_desc.OutputWindow, &window_rect);
_window_width = window_rect.right;
_window_height = window_rect.bottom;
}
// Get back buffer texture (skip when there is no swap chain, in which case it should already have been set in 'on_present')
if (_orig != nullptr && FAILED(_orig->GetBuffer(0, IID_PPV_ARGS(&_backbuffer))))
return false;
assert(_backbuffer != nullptr);
D3D11_TEXTURE2D_DESC tex_desc = {};
tex_desc.Width = _width;
tex_desc.Height = _height;
tex_desc.MipLevels = 1;
tex_desc.ArraySize = 1;
tex_desc.Format = make_dxgi_format_typeless(_backbuffer_format);
tex_desc.SampleDesc = { 1, 0 };
tex_desc.Usage = D3D11_USAGE_DEFAULT;
tex_desc.BindFlags = D3D11_BIND_RENDER_TARGET;
// Creating a render target view for the back buffer fails on Windows 8+, so use a intermediate texture there
if (_orig != nullptr && (
swap_desc.SampleDesc.Count > 1 ||
make_dxgi_format_normal(_backbuffer_format) != _backbuffer_format ||
!is_windows7()))
{
if (FAILED(_device->CreateTexture2D(&tex_desc, nullptr, &_backbuffer_resolved)))
return false;
if (FAILED(_device->CreateRenderTargetView(_backbuffer.get(), nullptr, &_backbuffer_rtv[2])))
return false;
}
else
{
_backbuffer_resolved = _backbuffer;
}
// Create back buffer shader texture
tex_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
if (FAILED(_device->CreateTexture2D(&tex_desc, nullptr, &_backbuffer_texture)))
return false;
set_debug_name(_backbuffer_texture.get(), L"ReShade back buffer");
D3D11_SHADER_RESOURCE_VIEW_DESC srv_desc = {};
srv_desc.Format = make_dxgi_format_normal(tex_desc.Format);
srv_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
srv_desc.Texture2D.MipLevels = tex_desc.MipLevels;
if (FAILED(_device->CreateShaderResourceView(_backbuffer_texture.get(), &srv_desc, &_backbuffer_texture_srv[0])))
return false;
srv_desc.Format = make_dxgi_format_srgb(tex_desc.Format);
if (FAILED(_device->CreateShaderResourceView(_backbuffer_texture.get(), &srv_desc, &_backbuffer_texture_srv[1])))
return false;
D3D11_RENDER_TARGET_VIEW_DESC rtv_desc = {};
rtv_desc.Format = make_dxgi_format_normal(tex_desc.Format);
rtv_desc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
if (FAILED(_device->CreateRenderTargetView(_backbuffer_resolved.get(), &rtv_desc, &_backbuffer_rtv[0])))
return false;
rtv_desc.Format = make_dxgi_format_srgb(tex_desc.Format);
if (FAILED(_device->CreateRenderTargetView(_backbuffer_resolved.get(), &rtv_desc, &_backbuffer_rtv[1])))
return false;
// Create copy states
if (_copy_pixel_shader == nullptr)
{
const resources::data_resource ps = resources::load_data_resource(IDR_COPY_PS);
if (FAILED(_device->CreatePixelShader(ps.data, ps.data_size, nullptr, &_copy_pixel_shader)))
return false;
}
if (_copy_vertex_shader == nullptr)
{
const resources::data_resource vs = resources::load_data_resource(IDR_FULLSCREEN_VS);
if (FAILED(_device->CreateVertexShader(vs.data, vs.data_size, nullptr, &_copy_vertex_shader)))
return false;
}
if (_copy_sampler_state == nullptr)
{
D3D11_SAMPLER_DESC desc = {};
desc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
desc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.AddressV = D3D11_TEXTURE_ADDRESS_CLAMP;
desc.AddressW = D3D11_TEXTURE_ADDRESS_CLAMP;
if (FAILED(_device->CreateSamplerState(&desc, &_copy_sampler_state)))
return false;
}
// Create effect states
if (_effect_rasterizer == nullptr)
{
D3D11_RASTERIZER_DESC desc = {};
desc.FillMode = D3D11_FILL_SOLID;
desc.CullMode = D3D11_CULL_NONE;
desc.DepthClipEnable = TRUE;
if (FAILED(_device->CreateRasterizerState(&desc, &_effect_rasterizer)))
return false;
}
// Create effect depth-stencil texture
tex_desc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
tex_desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
com_ptr<ID3D11Texture2D> effect_depthstencil_texture;
if (FAILED(_device->CreateTexture2D(&tex_desc, nullptr, &effect_depthstencil_texture)))
return false;
set_debug_name(effect_depthstencil_texture.get(), L"ReShade stencil buffer");
if (FAILED(_device->CreateDepthStencilView(effect_depthstencil_texture.get(), nullptr, &_effect_stencil)))
return false;
#if RESHADE_GUI
if (!init_imgui_resources())
return false;
#endif
// Clear reference to make Unreal Engine 4 happy (which checks the reference count)
_backbuffer->Release();
return runtime::on_init(swap_desc.OutputWindow);
}
void reshade::d3d11::runtime_impl::on_reset()
{
if (_backbuffer != nullptr)
{
unsigned int add_references = 0;
// Resident Evil 3 releases all references to the back buffer before calling 'IDXGISwapChain::ResizeBuffers', even ones it does not own
// Releasing the references ReShade owns would then make the count negative, which consequently breaks DXGI validation, so reset those references here
if (_backbuffer.ref_count() == 0)
add_references = _backbuffer == _backbuffer_resolved ? 2 : 1;
// Add the reference back that was released because of Unreal Engine 4
else if (_is_initialized)
add_references = 1;
for (unsigned int i = 0; i < add_references; ++i)
_backbuffer->AddRef();
}
runtime::on_reset();
_backbuffer.reset();
_backbuffer_resolved.reset();
_backbuffer_rtv[0].reset();
_backbuffer_rtv[1].reset();
_backbuffer_rtv[2].reset();
_backbuffer_texture.reset();
_backbuffer_texture_srv[0].reset();
_backbuffer_texture_srv[1].reset();
_effect_stencil.reset();
#if RESHADE_GUI
_imgui.cb.reset();
_imgui.indices.reset();
_imgui.vertices.reset();
_imgui.num_indices = 0;
_imgui.num_vertices = 0;
#endif
}
void reshade::d3d11::runtime_impl::on_present()
{
if (!_is_initialized)
return;
_app_state.capture(_immediate_context.get());
// Resolve MSAA back buffer if MSAA is active
if (_backbuffer_resolved != _backbuffer)
_immediate_context->ResolveSubresource(_backbuffer_resolved.get(), 0, _backbuffer.get(), 0, _backbuffer_format);
update_and_render_effects();
runtime::on_present();
// Stretch main render target back into MSAA back buffer if MSAA is active
if (_backbuffer_resolved != _backbuffer)
{
_immediate_context->CopyResource(_backbuffer_texture.get(), _backbuffer_resolved.get());
_immediate_context->IASetInputLayout(nullptr);
const uintptr_t null = 0;
_immediate_context->IASetVertexBuffers(0, 1, reinterpret_cast<ID3D11Buffer *const *>(&null), reinterpret_cast<const UINT *>(&null), reinterpret_cast<const UINT *>(&null));
_immediate_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
_immediate_context->VSSetShader(_copy_vertex_shader.get(), nullptr, 0);
_immediate_context->HSSetShader(nullptr, nullptr, 0);
_immediate_context->DSSetShader(nullptr, nullptr, 0);
_immediate_context->GSSetShader(nullptr, nullptr, 0);
_immediate_context->PSSetShader(_copy_pixel_shader.get(), nullptr, 0);
ID3D11SamplerState *const samplers[] = { _copy_sampler_state.get() };
_immediate_context->PSSetSamplers(0, ARRAYSIZE(samplers), samplers);
ID3D11ShaderResourceView *const srvs[] = { _backbuffer_texture_srv[make_dxgi_format_srgb(_backbuffer_format) == _backbuffer_format].get() };
_immediate_context->PSSetShaderResources(0, ARRAYSIZE(srvs), srvs);
_immediate_context->RSSetState(_effect_rasterizer.get());
const D3D11_VIEWPORT viewport = { 0.0f, 0.0f, static_cast<FLOAT>(_width), static_cast<FLOAT>(_height), 0.0f, 1.0f };
_immediate_context->RSSetViewports(1, &viewport);
_immediate_context->OMSetBlendState(nullptr, nullptr, D3D11_DEFAULT_SAMPLE_MASK);
_immediate_context->OMSetDepthStencilState(nullptr, D3D11_DEFAULT_STENCIL_REFERENCE);
ID3D11RenderTargetView *const render_targets[] = { _backbuffer_rtv[2].get() };
_immediate_context->OMSetRenderTargets(ARRAYSIZE(render_targets), render_targets, nullptr);
_immediate_context->Draw(3, 0);
}
// Apply previous state from application
_app_state.apply_and_release();
}
bool reshade::d3d11::runtime_impl::on_present(ID3D11Texture2D *source, const D3D11_BOX ®ion, HWND hwnd)
{
assert(source != nullptr);
D3D11_TEXTURE2D_DESC source_desc;
source->GetDesc(&source_desc);
const UINT region_width = region.right - region.left;
const UINT region_height = region.bottom - region.top;
assert((region.back - region.front) == 1);
if (source_desc.SampleDesc.Count > 1 && (source_desc.Width != region_width || source_desc.Height != region_height))
return false; // 'CopySubresourceRegion' can only copy whole subresources when the resource is multisampled
if (region_width != _width || region_height != _height || source_desc.Format != _backbuffer_format)
{
on_reset();
DXGI_SWAP_CHAIN_DESC swap_desc = {};
swap_desc.BufferDesc.Width = region_width;
swap_desc.BufferDesc.Height = region_height;
swap_desc.BufferDesc.Format = source_desc.Format;
swap_desc.SampleDesc = source_desc.SampleDesc;
swap_desc.BufferCount = 1;
swap_desc.OutputWindow = hwnd;
source_desc.Width = region_width;
source_desc.Height = region_height;
source_desc.Format = make_dxgi_format_typeless(source_desc.Format);
source_desc.BindFlags = D3D11_BIND_RENDER_TARGET;
if (HRESULT hr = _device->CreateTexture2D(&source_desc, nullptr, &_backbuffer); FAILED(hr))
{
LOG(ERROR) << "Failed to create region texture! HRESULT is " << hr << '.';
return false;
}
if (!on_init(swap_desc))
{
LOG(ERROR) << "Failed to initialize Direct3D 11 runtime environment on runtime " << this << '!';
return false;
}
}
// Copy region of the source texture
_immediate_context->CopySubresourceRegion(_backbuffer.get(), 0, 0, 0, 0, source, 0, ®ion);
on_present();
// Copy results back into the source texture
_immediate_context->CopySubresourceRegion(source, 0, region.left, region.top, region.front, _backbuffer.get(), 0, nullptr);
return true;
}
bool reshade::d3d11::runtime_impl::capture_screenshot(uint8_t *buffer) const
{
if (_color_bit_depth != 8 && _color_bit_depth != 10)
{
if (const char *format_string = format_to_string(_backbuffer_format); format_string != nullptr)
LOG(ERROR) << "Screenshots are not supported for back buffer format " << format_string << '!';
else
LOG(ERROR) << "Screenshots are not supported for back buffer format " << _backbuffer_format << '!';
return false;
}
// Create a texture in system memory, copy back buffer data into it and map it for reading
D3D11_TEXTURE2D_DESC desc = {};
desc.Width = _width;
desc.Height = _height;
desc.MipLevels = 1;
desc.ArraySize = 1;
desc.Format = _backbuffer_format;
desc.SampleDesc = { 1, 0 };
desc.Usage = D3D11_USAGE_STAGING;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
com_ptr<ID3D11Texture2D> intermediate;
if (HRESULT hr = _device->CreateTexture2D(&desc, nullptr, &intermediate); FAILED(hr))
{
LOG(ERROR) << "Failed to create system memory texture for screenshot capture! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Width = " << desc.Width << ", Height = " << desc.Height << ", Format = " << desc.Format;
return false;
}
set_debug_name(intermediate.get(), L"ReShade screenshot texture");
_immediate_context->CopyResource(intermediate.get(), _backbuffer_resolved.get());
D3D11_MAPPED_SUBRESOURCE mapped;
if (FAILED(_immediate_context->Map(intermediate.get(), 0, D3D11_MAP_READ, 0, &mapped)))
return false;
auto mapped_data = static_cast<const uint8_t *>(mapped.pData);
for (uint32_t y = 0, pitch = _width * 4; y < _height; y++, buffer += pitch, mapped_data += mapped.RowPitch)
{
if (_color_bit_depth == 10)
{
for (uint32_t x = 0; x < pitch; x += 4)
{
const uint32_t rgba = *reinterpret_cast<const uint32_t *>(mapped_data + x);
// Divide by 4 to get 10-bit range (0-1023) into 8-bit range (0-255)
buffer[x + 0] = ( (rgba & 0x000003FF) / 4) & 0xFF;
buffer[x + 1] = (((rgba & 0x000FFC00) >> 10) / 4) & 0xFF;
buffer[x + 2] = (((rgba & 0x3FF00000) >> 20) / 4) & 0xFF;
buffer[x + 3] = (((rgba & 0xC0000000) >> 30) * 85) & 0xFF;
}
}
else
{
std::memcpy(buffer, mapped_data, pitch);
if (_backbuffer_format == DXGI_FORMAT_B8G8R8A8_UNORM ||
_backbuffer_format == DXGI_FORMAT_B8G8R8A8_UNORM_SRGB)
{
// Format is BGRA, but output should be RGBA, so flip channels
for (uint32_t x = 0; x < pitch; x += 4)
std::swap(buffer[x + 0], buffer[x + 2]);
}
}
}
_immediate_context->Unmap(intermediate.get(), 0);
return true;
}
bool reshade::d3d11::runtime_impl::init_effect(size_t index)
{
if (_d3d_compiler == nullptr)
_d3d_compiler = LoadLibraryW(L"d3dcompiler_47.dll");
if (_d3d_compiler == nullptr)
_d3d_compiler = LoadLibraryW(L"d3dcompiler_43.dll");
if (_d3d_compiler == nullptr)
{
LOG(ERROR) << "Unable to load HLSL compiler (\"d3dcompiler_47.dll\")!" << " Make sure you have the DirectX end-user runtime (June 2010) installed or a newer version of the library in the application directory.";
return false;
}
effect &effect = _effects[index];
const auto D3DCompile = reinterpret_cast<pD3DCompile>(GetProcAddress(_d3d_compiler, "D3DCompile"));
const auto D3DDisassemble = reinterpret_cast<pD3DDisassemble>(GetProcAddress(_d3d_compiler, "D3DDisassemble"));
const std::string hlsl = effect.preamble + effect.module.hlsl;
std::unordered_map<std::string, com_ptr<IUnknown>> entry_points;
// Compile the generated HLSL source code to DX byte code
for (const reshadefx::entry_point &entry_point : effect.module.entry_points)
{
HRESULT hr = E_FAIL;
std::string profile;
switch (entry_point.type)
{
case reshadefx::shader_type::vs:
profile = "vs";
break;
case reshadefx::shader_type::ps:
profile = "ps";
break;
case reshadefx::shader_type::cs:
profile = "cs";
// Feature level 10 and 10.1 support a limited form of DirectCompute, but it does not have support for RWTexture2D, so it is not useful here
// See https://docs.microsoft.com/windows/win32/direct3d11/direct3d-11-advanced-stages-compute-shader
if (_renderer_id < D3D_FEATURE_LEVEL_11_0)
{
effect.errors += "Compute shaders are not supported in D3D10.";
return false;
}
break;
}
switch (_renderer_id)
{
default:
case D3D_FEATURE_LEVEL_11_0:
profile += "_5_0";
break;
case D3D_FEATURE_LEVEL_10_1:
profile += "_4_1";
break;
case D3D_FEATURE_LEVEL_10_0:
profile += "_4_0";
break;
case D3D_FEATURE_LEVEL_9_1:
case D3D_FEATURE_LEVEL_9_2:
profile += "_4_0_level_9_1";
break;
case D3D_FEATURE_LEVEL_9_3:
profile += "_4_0_level_9_3";
break;
}
UINT compile_flags = D3DCOMPILE_ENABLE_STRICTNESS;
compile_flags |= (_performance_mode ? D3DCOMPILE_OPTIMIZATION_LEVEL3 : D3DCOMPILE_OPTIMIZATION_LEVEL1);
#ifndef NDEBUG
compile_flags |= D3DCOMPILE_DEBUG;
#endif
std::string attributes;
attributes += "entrypoint=" + entry_point.name + ';';
attributes += "profile=" + profile + ';';
attributes += "flags=" + std::to_string(compile_flags) + ';';
const size_t hash = std::hash<std::string_view>()(attributes) ^ std::hash<std::string_view>()(hlsl);
std::vector<char> cso;
if (!load_effect_cache(effect.source_file, entry_point.name, hash, cso, effect.assembly[entry_point.name]))
{
com_ptr<ID3DBlob> d3d_compiled, d3d_errors;
hr = D3DCompile(
hlsl.data(), hlsl.size(),
nullptr, nullptr, nullptr,
entry_point.name.c_str(),
profile.c_str(),
compile_flags, 0,
&d3d_compiled, &d3d_errors);
if (d3d_errors != nullptr) // Append warnings to the output error string as well
effect.errors.append(static_cast<const char *>(d3d_errors->GetBufferPointer()), d3d_errors->GetBufferSize() - 1); // Subtracting one to not append the null-terminator as well
// No need to setup resources if any of the shaders failed to compile
if (FAILED(hr))
return false;
cso.resize(d3d_compiled->GetBufferSize());
std::memcpy(cso.data(), d3d_compiled->GetBufferPointer(), cso.size());
if (com_ptr<ID3DBlob> d3d_disassembled; SUCCEEDED(D3DDisassemble(cso.data(), cso.size(), 0, nullptr, &d3d_disassembled)))
effect.assembly[entry_point.name].assign(static_cast<const char *>(d3d_disassembled->GetBufferPointer()), d3d_disassembled->GetBufferSize() - 1);
save_effect_cache(effect.source_file, entry_point.name, hash, cso, effect.assembly[entry_point.name]);
}
// Create runtime shader objects from the compiled DX byte code
switch (entry_point.type)
{
case reshadefx::shader_type::vs:
hr = _device->CreateVertexShader(cso.data(), cso.size(), nullptr, reinterpret_cast<ID3D11VertexShader **>(&entry_points[entry_point.name]));
break;
case reshadefx::shader_type::ps:
hr = _device->CreatePixelShader(cso.data(), cso.size(), nullptr, reinterpret_cast<ID3D11PixelShader **>(&entry_points[entry_point.name]));
break;
case reshadefx::shader_type::cs:
hr = _device->CreateComputeShader(cso.data(), cso.size(), nullptr, reinterpret_cast<ID3D11ComputeShader **>(&entry_points[entry_point.name]));
break;
}
if (FAILED(hr))
{
LOG(ERROR) << "Failed to create shader for entry point '" << entry_point.name << "'! HRESULT is " << hr << '.';
return false;
}
}
if (index >= _effect_data.size())
_effect_data.resize(index + 1);
effect_data &effect_data = _effect_data[index];
if (!effect.uniform_data_storage.empty())
{
const D3D11_BUFFER_DESC desc = { static_cast<UINT>(effect.uniform_data_storage.size()), D3D11_USAGE_DYNAMIC, D3D11_BIND_CONSTANT_BUFFER, D3D11_CPU_ACCESS_WRITE };
const D3D11_SUBRESOURCE_DATA initial_data = { effect.uniform_data_storage.data(), desc.ByteWidth };
if (HRESULT hr = _device->CreateBuffer(&desc, &initial_data, &effect_data.cb); FAILED(hr))
{
LOG(ERROR) << "Failed to create constant buffer for effect file '" << effect.source_file << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Width = " << desc.ByteWidth;
return false;
}
set_debug_name(effect_data.cb.get(), L"ReShade constant buffer");
}
const UINT max_uav_bindings =
_renderer_id >= D3D_FEATURE_LEVEL_11_1 ? D3D11_1_UAV_SLOT_COUNT :
_renderer_id == D3D_FEATURE_LEVEL_11_0 ? D3D11_PS_CS_UAV_REGISTER_COUNT :
_renderer_id >= D3D_FEATURE_LEVEL_10_0 ? D3D11_CS_4_X_UAV_REGISTER_COUNT : 0;
technique_data technique_init;
technique_init.sampler_states.resize(effect.module.num_sampler_bindings);
for (const reshadefx::sampler_info &info : effect.module.samplers)
{
if (info.binding >= D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT)
{
LOG(ERROR) << "Cannot bind sampler '" << info.unique_name << "' since it exceeds the maximum number of allowed sampler slots in " << "D3D11" << " (" << info.binding << ", allowed are up to " << D3D11_COMMONSHADER_SAMPLER_SLOT_COUNT << ").";
return false;
}
if (technique_init.sampler_states[info.binding] == nullptr)
{
D3D11_SAMPLER_DESC desc;
desc.Filter = static_cast<D3D11_FILTER>(info.filter);
desc.AddressU = static_cast<D3D11_TEXTURE_ADDRESS_MODE>(info.address_u);
desc.AddressV = static_cast<D3D11_TEXTURE_ADDRESS_MODE>(info.address_v);
desc.AddressW = static_cast<D3D11_TEXTURE_ADDRESS_MODE>(info.address_w);
desc.MipLODBias = info.lod_bias;
desc.MaxAnisotropy = 1;
desc.ComparisonFunc = D3D11_COMPARISON_NEVER;
std::memset(desc.BorderColor, 0, sizeof(desc.BorderColor));
desc.MinLOD = info.min_lod;
desc.MaxLOD = info.max_lod;
// Generate hash for sampler description
size_t desc_hash = 2166136261;
for (size_t i = 0; i < sizeof(desc); ++i)
desc_hash = (desc_hash * 16777619) ^ reinterpret_cast<const uint8_t *>(&desc)[i];
std::unordered_map<size_t, com_ptr<ID3D11SamplerState>>::iterator it = _effect_sampler_states.find(desc_hash);
if (it == _effect_sampler_states.end())
{
com_ptr<ID3D11SamplerState> sampler;
if (HRESULT hr = _device->CreateSamplerState(&desc, &sampler); FAILED(hr))
{
LOG(ERROR) << "Failed to create sampler state for sampler '" << info.unique_name << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Filter = " << desc.Filter << ", AddressU = " << desc.AddressU << ", AddressV = " << desc.AddressV << ", AddressW = " << desc.AddressW << ", MipLODBias = " << desc.MipLODBias << ", MinLOD = " << desc.MinLOD << ", MaxLOD = " << desc.MaxLOD;
return false;
}
it = _effect_sampler_states.emplace(desc_hash, std::move(sampler)).first;
}
technique_init.sampler_states[info.binding] = it->second;
}
}
for (technique &technique : _techniques)
{
if (technique.impl != nullptr || technique.effect_index != index)
continue;
// Copy construct new technique implementation instead of move because effect may contain multiple techniques
auto impl = new technique_data(technique_init);
technique.impl = impl;
D3D11_QUERY_DESC query_desc = {};
query_desc.Query = D3D11_QUERY_TIMESTAMP;
_device->CreateQuery(&query_desc, &impl->timestamp_query_beg);
_device->CreateQuery(&query_desc, &impl->timestamp_query_end);
query_desc.Query = D3D11_QUERY_TIMESTAMP_DISJOINT;
_device->CreateQuery(&query_desc, &impl->timestamp_disjoint);
impl->passes.resize(technique.passes.size());
for (size_t pass_index = 0; pass_index < technique.passes.size(); ++pass_index)
{
pass_data &pass_data = impl->passes[pass_index];
reshadefx::pass_info &pass_info = technique.passes[pass_index];
if (!pass_info.cs_entry_point.empty())
{
entry_points.at(pass_info.cs_entry_point)->QueryInterface(&pass_data.compute_shader);
}
else
{
entry_points.at(pass_info.ps_entry_point)->QueryInterface(&pass_data.pixel_shader);
entry_points.at(pass_info.vs_entry_point)->QueryInterface(&pass_data.vertex_shader);
const int srgb_index = pass_info.srgb_write_enable ? 1 : 0;
for (UINT k = 0; k < 8 && !pass_info.render_target_names[k].empty(); ++k)
{
tex_data *const tex_impl = static_cast<tex_data *>(
look_up_texture_by_name(pass_info.render_target_names[k]).impl);
D3D11_TEXTURE2D_DESC desc;
tex_impl->texture->GetDesc(&desc);
D3D11_RENDER_TARGET_VIEW_DESC rtv_desc = {};
rtv_desc.Format = pass_info.srgb_write_enable ?
make_dxgi_format_srgb(desc.Format) :
make_dxgi_format_normal(desc.Format);
rtv_desc.ViewDimension = desc.SampleDesc.Count > 1 ? D3D11_RTV_DIMENSION_TEXTURE2DMS : D3D11_RTV_DIMENSION_TEXTURE2D;
// Create render target view for texture on demand when it is first used
if (tex_impl->rtv[srgb_index] == nullptr)
{
if (HRESULT hr = _device->CreateRenderTargetView(tex_impl->texture.get(), &rtv_desc, &tex_impl->rtv[srgb_index]); FAILED(hr))
{
LOG(ERROR) << "Failed to create render target view for texture '" << pass_info.render_target_names[k] << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Format = " << rtv_desc.Format << ", ViewDimension = " << rtv_desc.ViewDimension;
return false;
}
}
pass_data.render_targets[k] = tex_impl->rtv[srgb_index];
pass_data.modified_resources.push_back(tex_impl->srv[srgb_index]);
}
if (pass_info.render_target_names[0].empty())
{
pass_info.viewport_width = _width;
pass_info.viewport_height = _height;
pass_data.render_targets[0] = _backbuffer_rtv[srgb_index];
pass_data.modified_resources.push_back(_backbuffer_texture_srv[srgb_index]);
}
{ D3D11_BLEND_DESC desc = {};
desc.AlphaToCoverageEnable = FALSE;
desc.IndependentBlendEnable = FALSE;
desc.RenderTarget[0].BlendEnable = pass_info.blend_enable;
const auto convert_blend_op = [](reshadefx::pass_blend_op value) {
switch (value)
{
default:
case reshadefx::pass_blend_op::add: return D3D11_BLEND_OP_ADD;
case reshadefx::pass_blend_op::subtract: return D3D11_BLEND_OP_SUBTRACT;
case reshadefx::pass_blend_op::rev_subtract: return D3D11_BLEND_OP_REV_SUBTRACT;
case reshadefx::pass_blend_op::min: return D3D11_BLEND_OP_MIN;
case reshadefx::pass_blend_op::max: return D3D11_BLEND_OP_MAX;
}
};
const auto convert_blend_func = [](reshadefx::pass_blend_func value) {
switch (value) {
case reshadefx::pass_blend_func::zero: return D3D11_BLEND_ZERO;
default:
case reshadefx::pass_blend_func::one: return D3D11_BLEND_ONE;
case reshadefx::pass_blend_func::src_color: return D3D11_BLEND_SRC_COLOR;
case reshadefx::pass_blend_func::src_alpha: return D3D11_BLEND_SRC_ALPHA;
case reshadefx::pass_blend_func::inv_src_color: return D3D11_BLEND_INV_SRC_COLOR;
case reshadefx::pass_blend_func::inv_src_alpha: return D3D11_BLEND_INV_SRC_ALPHA;
case reshadefx::pass_blend_func::dst_color: return D3D11_BLEND_DEST_COLOR;
case reshadefx::pass_blend_func::dst_alpha: return D3D11_BLEND_DEST_ALPHA;
case reshadefx::pass_blend_func::inv_dst_color: return D3D11_BLEND_INV_DEST_COLOR;
case reshadefx::pass_blend_func::inv_dst_alpha: return D3D11_BLEND_INV_DEST_ALPHA;
}
};
desc.RenderTarget[0].SrcBlend = convert_blend_func(pass_info.src_blend);
desc.RenderTarget[0].DestBlend = convert_blend_func(pass_info.dest_blend);
desc.RenderTarget[0].BlendOp = convert_blend_op(pass_info.blend_op);
desc.RenderTarget[0].SrcBlendAlpha = convert_blend_func(pass_info.src_blend_alpha);
desc.RenderTarget[0].DestBlendAlpha = convert_blend_func(pass_info.dest_blend_alpha);
desc.RenderTarget[0].BlendOpAlpha = convert_blend_op(pass_info.blend_op_alpha);
desc.RenderTarget[0].RenderTargetWriteMask = pass_info.color_write_mask;
if (HRESULT hr = _device->CreateBlendState(&desc, &pass_data.blend_state); FAILED(hr))
{
LOG(ERROR) << "Failed to create blend state for pass " << pass_index << " in technique '" << technique.name << "'! HRESULT is " << hr << '.';
return false;
}
}
// Rasterizer state is the same for all passes
assert(_effect_rasterizer != nullptr);
{ D3D11_DEPTH_STENCIL_DESC desc;
desc.DepthEnable = FALSE;
desc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
desc.DepthFunc = D3D11_COMPARISON_ALWAYS;
const auto convert_stencil_op = [](reshadefx::pass_stencil_op value) {
switch (value) {
case reshadefx::pass_stencil_op::zero: return D3D11_STENCIL_OP_ZERO;
default:
case reshadefx::pass_stencil_op::keep: return D3D11_STENCIL_OP_KEEP;
case reshadefx::pass_stencil_op::invert: return D3D11_STENCIL_OP_INVERT;
case reshadefx::pass_stencil_op::replace: return D3D11_STENCIL_OP_REPLACE;
case reshadefx::pass_stencil_op::incr: return D3D11_STENCIL_OP_INCR;
case reshadefx::pass_stencil_op::incr_sat: return D3D11_STENCIL_OP_INCR_SAT;
case reshadefx::pass_stencil_op::decr: return D3D11_STENCIL_OP_DECR;
case reshadefx::pass_stencil_op::decr_sat: return D3D11_STENCIL_OP_DECR_SAT;
}
};
const auto convert_stencil_func = [](reshadefx::pass_stencil_func value) {
switch (value)
{
case reshadefx::pass_stencil_func::never: return D3D11_COMPARISON_NEVER;
case reshadefx::pass_stencil_func::equal: return D3D11_COMPARISON_EQUAL;
case reshadefx::pass_stencil_func::not_equal: return D3D11_COMPARISON_NOT_EQUAL;
case reshadefx::pass_stencil_func::less: return D3D11_COMPARISON_LESS;
case reshadefx::pass_stencil_func::less_equal: return D3D11_COMPARISON_LESS_EQUAL;
case reshadefx::pass_stencil_func::greater: return D3D11_COMPARISON_GREATER;
case reshadefx::pass_stencil_func::greater_equal: return D3D11_COMPARISON_GREATER_EQUAL;
default:
case reshadefx::pass_stencil_func::always: return D3D11_COMPARISON_ALWAYS;
}
};
desc.StencilEnable = pass_info.stencil_enable;
desc.StencilReadMask = pass_info.stencil_read_mask;
desc.StencilWriteMask = pass_info.stencil_write_mask;
desc.FrontFace.StencilFailOp = convert_stencil_op(pass_info.stencil_op_fail);
desc.FrontFace.StencilDepthFailOp = convert_stencil_op(pass_info.stencil_op_depth_fail);
desc.FrontFace.StencilPassOp = convert_stencil_op(pass_info.stencil_op_pass);
desc.FrontFace.StencilFunc = convert_stencil_func(pass_info.stencil_comparison_func);
desc.BackFace = desc.FrontFace;
if (HRESULT hr = _device->CreateDepthStencilState(&desc, &pass_data.depth_stencil_state); FAILED(hr))
{
LOG(ERROR) << "Failed to create depth-stencil state for pass " << pass_index << " in technique '" << technique.name << "'! HRESULT is " << hr << '.';
return false;
}
}
}
pass_data.srvs.resize(effect.module.num_texture_bindings);
for (const reshadefx::sampler_info &info : pass_info.samplers)
{
if (info.texture_binding >= D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT)
{
LOG(ERROR) << "Cannot bind texture '" << info.texture_name << "' since it exceeds the maximum number of allowed resource slots in " << "D3D11" << " (" << info.texture_binding << ", allowed are up to " << D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT << ").";
return false;
}
tex_data *const tex_impl = static_cast<tex_data *>(
look_up_texture_by_name(info.texture_name).impl);
pass_data.srvs[info.texture_binding] = tex_impl->srv[info.srgb ? 1 : 0];
}
pass_data.uavs.resize(std::min(effect.module.num_storage_bindings, max_uav_bindings));
for (const reshadefx::storage_info &info : pass_info.storages)
{
if (info.binding >= max_uav_bindings)
{
LOG(ERROR) << "Cannot bind storage '" << info.unique_name << "' since it exceeds the maximum number of allowed resource slots in " << "D3D11" << " (" << info.binding << ", allowed are up to " << max_uav_bindings << ").";
return false;
}
tex_data *const tex_impl = static_cast<tex_data *>(
look_up_texture_by_name(info.texture_name).impl);
pass_data.uavs[info.binding] = tex_impl->uav;
pass_data.modified_resources.push_back(tex_impl->srv[0]);
}
}
}
return true;
}
void reshade::d3d11::runtime_impl::unload_effect(size_t index)
{
for (technique &tech : _techniques)
{
if (tech.effect_index != index)
continue;
delete static_cast<technique_data *>(tech.impl);
tech.impl = nullptr;
}
runtime::unload_effect(index);
if (index < _effect_data.size())
_effect_data[index].cb.reset();
}
void reshade::d3d11::runtime_impl::unload_effects()
{
for (technique &tech : _techniques)
{
delete static_cast<technique_data *>(tech.impl);
tech.impl = nullptr;
}
runtime::unload_effects();
_effect_data.clear();
_effect_sampler_states.clear();
}
bool reshade::d3d11::runtime_impl::init_texture(texture &texture)
{
auto impl = new tex_data();
texture.impl = impl;
if (texture.semantic == "COLOR")
{
impl->srv[0] = _backbuffer_texture_srv[0];
impl->srv[1] = _backbuffer_texture_srv[1];
return true;
}
else if (!texture.semantic.empty())
{
if (const auto it = _texture_semantic_bindings.find(texture.semantic);
it != _texture_semantic_bindings.end())
impl->srv[0] = impl->srv[1] = it->second;
return true;
}
D3D11_TEXTURE2D_DESC desc = {};
desc.Width = texture.width;
desc.Height = texture.height;
desc.MipLevels = texture.levels;
desc.ArraySize = 1;
desc.SampleDesc = { 1, 0 };
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
if (texture.levels > 1)
desc.MiscFlags |= D3D11_RESOURCE_MISC_GENERATE_MIPS; // Requires D3D11_BIND_RENDER_TARGET as well
if (texture.render_target || texture.levels > 1)
desc.BindFlags |= D3D11_BIND_RENDER_TARGET;
if (texture.storage_access && _renderer_id >= D3D_FEATURE_LEVEL_11_0)
desc.BindFlags |= D3D11_BIND_UNORDERED_ACCESS;
switch (texture.format)
{
case reshadefx::texture_format::r8:
desc.Format = DXGI_FORMAT_R8_UNORM;
break;
case reshadefx::texture_format::r16f:
desc.Format = DXGI_FORMAT_R16_FLOAT;
break;
case reshadefx::texture_format::r32f:
desc.Format = DXGI_FORMAT_R32_FLOAT;
break;
case reshadefx::texture_format::rg8:
desc.Format = DXGI_FORMAT_R8G8_UNORM;
break;
case reshadefx::texture_format::rg16:
desc.Format = DXGI_FORMAT_R16G16_UNORM;
break;
case reshadefx::texture_format::rg16f:
desc.Format = DXGI_FORMAT_R16G16_FLOAT;
break;
case reshadefx::texture_format::rg32f:
desc.Format = DXGI_FORMAT_R32G32_FLOAT;
break;
case reshadefx::texture_format::rgba8:
desc.Format = DXGI_FORMAT_R8G8B8A8_TYPELESS;
break;
case reshadefx::texture_format::rgba16:
desc.Format = DXGI_FORMAT_R16G16B16A16_UNORM;
break;
case reshadefx::texture_format::rgba16f:
desc.Format = DXGI_FORMAT_R16G16B16A16_FLOAT;
break;
case reshadefx::texture_format::rgba32f:
desc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
break;
case reshadefx::texture_format::rgb10a2:
desc.Format = DXGI_FORMAT_R10G10B10A2_UNORM;
break;
}
// Clear texture to zero since by default its contents are undefined
std::vector<uint8_t> zero_data(desc.Width * desc.Height * 16);
std::vector<D3D11_SUBRESOURCE_DATA> initial_data(desc.MipLevels);
for (UINT level = 0, width = desc.Width; level < desc.MipLevels; ++level, width /= 2)
{
initial_data[level].pSysMem = zero_data.data();
initial_data[level].SysMemPitch = width * 16;
}
if (HRESULT hr = _device->CreateTexture2D(&desc, initial_data.data(), &impl->texture); FAILED(hr))
{
LOG(ERROR) << "Failed to create texture '" << texture.unique_name << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Width = " << desc.Width << ", Height = " << desc.Height << ", Levels = " << desc.MipLevels << ", Format = " << desc.Format << ", BindFlags = " << std::hex << desc.BindFlags << std::dec;
return false;
}
std::wstring debug_name;
debug_name.reserve(texture.unique_name.size());
utf8::unchecked::utf8to16(texture.unique_name.begin(), texture.unique_name.end(), std::back_inserter(debug_name));
set_debug_name(impl->texture.get(), debug_name.c_str());
D3D11_SHADER_RESOURCE_VIEW_DESC srv_desc = {};
srv_desc.Format = make_dxgi_format_normal(desc.Format);
srv_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
srv_desc.Texture2D.MipLevels = desc.MipLevels;
if (HRESULT hr = _device->CreateShaderResourceView(impl->texture.get(), &srv_desc, &impl->srv[0]); FAILED(hr))
{
LOG(ERROR) << "Failed to create shader resource view for texture '" << texture.unique_name << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Format = " << srv_desc.Format << ", ViewDimension = " << srv_desc.ViewDimension << ", Levels = " << srv_desc.Texture2D.MipLevels;
return false;
}
srv_desc.Format = make_dxgi_format_srgb(desc.Format);
if (srv_desc.Format != desc.Format)
{
if (HRESULT hr = _device->CreateShaderResourceView(impl->texture.get(), &srv_desc, &impl->srv[1]); FAILED(hr))
{
LOG(ERROR) << "Failed to create shader resource view for texture '" << texture.unique_name << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Format = " << srv_desc.Format << ", ViewDimension = " << srv_desc.ViewDimension << ", Levels = " << srv_desc.Texture2D.MipLevels;
return false;
}
}
else
{
impl->srv[1] = impl->srv[0];
}
if (texture.storage_access && _renderer_id >= D3D_FEATURE_LEVEL_11_0)
{
D3D11_UNORDERED_ACCESS_VIEW_DESC uav_desc = {};
uav_desc.Format = make_dxgi_format_normal(desc.Format);
uav_desc.ViewDimension = D3D11_UAV_DIMENSION_TEXTURE2D;
uav_desc.Texture2D.MipSlice = 0;
if (HRESULT hr = _device->CreateUnorderedAccessView(impl->texture.get(), &uav_desc, &impl->uav); FAILED(hr))
{
LOG(ERROR) << "Failed to create unordered access view for texture '" << texture.unique_name << "'! HRESULT is " << hr << '.';
LOG(DEBUG) << "> Details: Format = " << uav_desc.Format << ", ViewDimension = " << uav_desc.ViewDimension << ", Slice = " << uav_desc.Texture2D.MipSlice;
return false;
}
}
return true;
}
void reshade::d3d11::runtime_impl::upload_texture(const texture &texture, const uint8_t *pixels)
{
auto impl = static_cast<tex_data *>(texture.impl);
assert(impl != nullptr && texture.semantic.empty() && pixels != nullptr);
unsigned int upload_pitch;
std::vector<uint8_t> upload_data;
switch (texture.format)
{
case reshadefx::texture_format::r8:
upload_pitch = texture.width;
upload_data.resize(upload_pitch * texture.height);
for (uint32_t i = 0, k = 0; i < texture.width * texture.height * 4; i += 4, k += 1)
upload_data[k] = pixels[i];
pixels = upload_data.data();
break;