mirror of
https://github.com/Cuteminded/jellyframe.git
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82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
#pragma once
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#include "gl_functions.h"
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#include <godot_cpp/classes/image_texture.hpp>
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#include <godot_cpp/classes/ref_counted.hpp>
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#include <mpv/render_gl.h>
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#include <array>
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#include <atomic>
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#include <condition_variable>
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#include <mutex>
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#include <thread>
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class RenderGl : public godot::RefCounted {
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GDCLASS(RenderGl, godot::RefCounted)
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public:
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int start(mpv_handle *player);
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void resize(int width, int height);
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bool take_frame();
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void stop();
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int error() const;
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godot::Ref<godot::ImageTexture> get_texture() const;
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protected:
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static void _bind_methods() {}
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private:
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enum class SlotState { Free, Rendering, Ready, Retired };
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struct Slot {
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SlotState state = SlotState::Free;
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unsigned texture = 0;
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unsigned framebuffer = 0;
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int width = 0;
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int height = 0;
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uint64_t sequence = 0;
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void *ready = nullptr;
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void *released = nullptr;
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};
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void run_sync(void (RenderGl::*operation)());
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void dispatch_sync();
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void initialize_on_render_thread();
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void attach_on_render_thread();
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void detach_on_render_thread();
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void destroy_on_render_thread();
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void present_on_render_thread();
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int select_ready_slot();
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bool fence_complete(void *fence);
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void render_loop(mpv_render_context *renderer);
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int acquire_slot();
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bool prepare_slot(Slot &slot);
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bool render_slot(mpv_render_context *renderer, Slot &slot);
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void destroy_slots();
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static void wakeup(void *owner);
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static void *resolve(void *owner, const char *name);
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SharedGlContext context;
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GlFunctions api;
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mpv_handle *player = nullptr;
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std::thread worker;
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std::mutex wake_mutex;
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std::condition_variable wake;
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std::atomic<bool> stopping{false};
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std::atomic<bool> dirty{false};
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std::atomic<int> render_error{0};
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std::atomic<uint64_t> dimensions{(uint64_t(1920) << 32) | 1080};
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std::array<Slot, 2> slots;
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std::mutex slots_mutex;
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uint64_t next_sequence = 0;
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godot::Ref<godot::ImageTexture> texture;
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unsigned display_texture = 0;
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unsigned read_framebuffer = 0;
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unsigned draw_framebuffer = 0;
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int target_width = 0;
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int target_height = 0;
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std::atomic<bool> queued{false};
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std::atomic<bool> frame_ready{false};
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std::mutex sync_mutex;
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std::condition_variable sync_condition;
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bool sync_complete = false;
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void (RenderGl::*sync_operation)() = nullptr;
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};
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