Sergio Valor
f272bab296
- Afegir GpuShaderPreset i ShaderManager per carregar shaders des de data/shaders/ - Implementar preset ntsc-md-rainbows (2 passos: encode + decode MAME NTSC) - Render loop multi-pass per shaders externs (targets intermedis R16G16B16A16_FLOAT) - cycleShader(): cicla OFF→PostFX natius→shaders externs amb tecla X - --shader <nom> per arrancar directament amb un preset extern - CMake auto-descubreix i compila data/shaders/**/*.vert/.frag → .spv - HUD F1 mostra 'Shader: <nom>' quan hi ha shader extern actiu Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
#pragma once
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#include <SDL3/SDL_gpu.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "gpu_shader_preset.hpp"
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// ============================================================================
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// ShaderManager — discovers and manages runtime shader presets under
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// a root directory (e.g., data/shaders/).
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//
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// Each subdirectory with a preset.ini is treated as a shader preset.
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// ============================================================================
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class ShaderManager {
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public:
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// Scan root_dir for preset subdirectories (each must contain preset.ini).
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void scan(const std::string& root_dir);
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// Available preset names (e.g. {"ntsc-md-rainbows"}).
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const std::vector<std::string>& names() const { return names_; }
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// Load and return a preset (cached). Returns null on failure.
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GpuShaderPreset* load(SDL_GPUDevice* device,
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const std::string& name,
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SDL_GPUTextureFormat swapchain_fmt,
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int w, int h);
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// Recreate intermediate render targets on resolution change.
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void onResize(SDL_GPUDevice* device, SDL_GPUTextureFormat swapchain_fmt, int w, int h);
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void destroyAll(SDL_GPUDevice* device);
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private:
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std::string root_dir_;
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std::vector<std::string> names_;
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std::map<std::string, std::string> dirs_;
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std::map<std::string, std::unique_ptr<GpuShaderPreset>> loaded_;
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};
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