mirror of
https://github.com/johndoe6345789/SDL3CPlusPlus.git
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johndoe6345789
5e18571856
- Added support for FreeType font rendering in GuiRenderer, including glyph loading and text rendering capabilities. - Introduced GuiFontConfig structure to manage font settings through configuration. - Updated JsonConfigService to parse and provide GUI font settings from JSON configuration. - Implemented MaterialX shader generation capabilities with a new MaterialXShaderGenerator class. - Enhanced ShaderScriptService to utilize MaterialX for shader generation based on configuration. - Added NullGuiService as a placeholder implementation for GUI service. - Extended IConfigService interface to include methods for retrieving graphics backend, MaterialX, and GUI font configurations. - Updated RuntimeConfig structure to include graphics backend and MaterialX configurations. - Added tests to ensure proper integration of new configuration settings and shader generation functionality.
127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
#ifndef SDL3CPP_SERVICES_GUI_RENDERER_HPP
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#define SDL3CPP_SERVICES_GUI_RENDERER_HPP
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#include <filesystem>
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#include <memory>
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#include <unordered_map>
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#include <vector>
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#include <cstdint>
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#include <vulkan/vulkan.h>
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#include "services/interfaces/config_types.hpp"
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#include "services/interfaces/gui_types.hpp"
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#include "services/interfaces/i_buffer_service.hpp"
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#include "services/interfaces/i_logger.hpp"
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namespace sdl3cpp::services::impl {
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struct GuiVertex {
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float x, y, z;
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float r, g, b, a;
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};
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struct SvgCircle {
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float cx = 0.0f;
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float cy = 0.0f;
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float r = 0.0f;
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GuiColor color{1.0f, 1.0f, 1.0f, 1.0f};
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};
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struct ParsedSvg {
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float viewWidth = 1.0f;
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float viewHeight = 1.0f;
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std::vector<SvgCircle> circles;
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};
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class GuiRenderer {
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public:
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GuiRenderer(VkDevice device, VkPhysicalDevice physicalDevice, VkFormat swapchainFormat,
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VkRenderPass renderPass, const std::filesystem::path& scriptDirectory,
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const GuiFontConfig& fontConfig,
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std::shared_ptr<IBufferService> bufferService, std::shared_ptr<ILogger> logger);
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~GuiRenderer();
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GuiRenderer(const GuiRenderer&) = delete;
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GuiRenderer& operator=(const GuiRenderer&) = delete;
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void Prepare(const std::vector<GuiCommand>& commands, uint32_t width,
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uint32_t height);
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void RenderToSwapchain(VkCommandBuffer commandBuffer, VkRenderPass renderPass);
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void Resize(uint32_t width, uint32_t height, VkFormat format, VkRenderPass renderPass);
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bool IsReady() const;
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private:
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struct GlyphBitmap {
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int width = 0;
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int height = 0;
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int pitch = 0;
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int bearingX = 0;
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int bearingY = 0;
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int advance = 0;
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std::vector<uint8_t> pixels;
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};
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const ParsedSvg* LoadSvg(const std::string& relativePath);
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bool EnsureFreeTypeReady();
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std::filesystem::path ResolveFontPath() const;
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const GlyphBitmap* LoadGlyph(char c, int pixelSize);
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void RenderFreeTypeText(const GuiCommand& cmd,
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const GuiCommand::RectData& activeClip,
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const GuiCommand::RectData& bounds);
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void AddQuad(const GuiCommand::RectData& rect,
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const GuiColor& color,
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const GuiCommand::RectData& clipRect);
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void CreatePipeline(VkRenderPass renderPass, VkExtent2D extent);
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void CreateVertexAndIndexBuffers(size_t vertexCount, size_t indexCount);
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void CleanupPipeline();
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void CleanupBuffers();
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void UpdateFormat(VkFormat format);
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void GenerateGuiGeometry(const std::vector<GuiCommand>& commands, uint32_t width, uint32_t height);
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const std::vector<uint8_t>& LoadShaderBytes(const std::filesystem::path& path,
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VkShaderStageFlagBits stage);
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const std::vector<uint8_t>& LoadShaderBytes(const std::string& cacheKey,
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const std::string& source,
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VkShaderStageFlagBits stage);
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VkDevice device_;
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VkPhysicalDevice physicalDevice_;
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VkFormat swapchainFormat_;
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VkRenderPass renderPass_;
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std::filesystem::path scriptDirectory_;
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GuiFontConfig fontConfig_;
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// Pipeline resources
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VkPipeline pipeline_ = VK_NULL_HANDLE;
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VkPipelineLayout pipelineLayout_ = VK_NULL_HANDLE;
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VkShaderModule vertShaderModule_ = VK_NULL_HANDLE;
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VkShaderModule fragShaderModule_ = VK_NULL_HANDLE;
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// Vertex/index buffers
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VkBuffer vertexBuffer_ = VK_NULL_HANDLE;
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VkDeviceMemory vertexMemory_ = VK_NULL_HANDLE;
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VkBuffer indexBuffer_ = VK_NULL_HANDLE;
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VkDeviceMemory indexMemory_ = VK_NULL_HANDLE;
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// Geometry data
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std::vector<GuiVertex> vertices_;
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std::vector<uint32_t> indices_;
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uint32_t viewportWidth_ = 0;
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uint32_t viewportHeight_ = 0;
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std::unordered_map<std::string, ParsedSvg> svgCache_;
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std::unordered_map<std::string, std::vector<uint8_t>> shaderSpirvCache_;
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std::unordered_map<uint64_t, GlyphBitmap> glyphCache_;
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void* ftLibrary_ = nullptr;
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void* ftFace_ = nullptr;
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int currentFontSize_ = 0;
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bool freetypeReady_ = false;
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std::shared_ptr<IBufferService> bufferService_;
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std::shared_ptr<ILogger> logger_;
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};
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} // namespace sdl3cpp::services::impl
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#endif // SDL3CPP_SERVICES_GUI_RENDERER_HPP
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