DanS
3aee55b49c
Full-node GUI wallet for DragonX cryptocurrency. Built with Dear ImGui, SDL3, and OpenGL3/DX11. Features: - Send/receive shielded and transparent transactions - Autoshield with merged transaction display - Built-in CPU mining (xmrig) - Peer management and network monitoring - Wallet encryption with PIN lock - QR code generation for receive addresses - Transaction history with pagination - Console for direct RPC commands - Cross-platform (Linux, Windows)
109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
// DragonX Wallet - ImGui Edition
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// Copyright 2024-2026 The Hush Developers
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// Released under the GPLv3
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// DirectX 11 Rendering Context for Windows
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// Uses DXGI swap chain with premultiplied alpha + DirectComposition
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// for true per-pixel transparency with DWM Mica/Acrylic backdrops.
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#pragma once
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#ifdef _WIN32
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#include <d3d11.h>
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#include <dxgi1_2.h>
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#include <cstdio>
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// Forward declarations - DirectComposition interfaces
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struct IDCompositionDevice;
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struct IDCompositionTarget;
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struct IDCompositionVisual;
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struct SDL_Window;
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namespace dragonx {
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namespace platform {
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class DX11Context {
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public:
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DX11Context() = default;
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~DX11Context() { shutdown(); }
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// Non-copyable
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DX11Context(const DX11Context&) = delete;
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DX11Context& operator=(const DX11Context&) = delete;
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/**
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* @brief Initialize D3D11 device and DXGI swap chain with alpha support
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* @param window SDL window to create the swap chain for
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* @return true on success
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*/
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bool init(SDL_Window* window);
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/**
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* @brief Shut down and release all D3D11/DXGI resources
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*/
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void shutdown();
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/**
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* @brief Resize the swap chain buffers (call on window resize)
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* @param width New width (0 = auto-detect from swap chain)
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* @param height New height (0 = auto-detect from swap chain)
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*/
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void resize(int width, int height);
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/**
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* @brief Ensure swap chain matches the current HWND client size.
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* Call once per frame to guarantee the buffers stay in sync.
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* No-op if the sizes already match.
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*/
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void ensureSize();
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/**
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* @brief Clear the render target with a color
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* @param r Red (0-1)
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* @param g Green (0-1)
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* @param b Blue (0-1)
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* @param a Alpha (0-1), 0 = fully transparent for DWM
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*/
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void clear(float r, float g, float b, float a);
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/**
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* @brief Present the frame (swap buffers)
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* @param vsync 1 = vsync on, 0 = vsync off
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*/
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void present(int vsync = 1);
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/** @brief Whether premultiplied alpha compositing is active */
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bool hasAlphaCompositing() const { return hasAlpha_; }
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// Accessors
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ID3D11Device* device() const { return device_; }
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ID3D11DeviceContext* deviceContext() const { return deviceContext_; }
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ID3D11RenderTargetView* renderTargetView() const { return renderTargetView_; }
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IDXGISwapChain1* swapChain() const { return swapChain_; }
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private:
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void createRenderTarget();
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void cleanupRenderTarget();
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// D3D11 core
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ID3D11Device* device_ = nullptr;
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ID3D11DeviceContext* deviceContext_ = nullptr;
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IDXGISwapChain1* swapChain_ = nullptr;
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ID3D11RenderTargetView* renderTargetView_ = nullptr;
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// DirectComposition (for premultiplied alpha swap chain presentation)
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IDCompositionDevice* dcompDevice_ = nullptr;
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IDCompositionTarget* dcompTarget_ = nullptr;
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IDCompositionVisual* dcompVisual_ = nullptr;
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bool hasAlpha_ = false;
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HWND hwnd_ = nullptr;
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};
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} // namespace platform
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} // namespace dragonx
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#endif // _WIN32
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