hibiscus/renderer/rwgpu/rwgpu.hpp

#pragma once

#include <vector>
#include <webgpu/webgpu.hpp>

#define GLFW_INCLUDE_NONE
#include <GLFW/glfw3.h>

#include <renderer/renderer.hpp>

namespace hibis::rwgpu {
	class RWGPU : public Renderer {
	public:
		RWGPU(std::string title, IntVec2 size, LoggerCallback callback);
		~RWGPU();

		// Draw
		void clearScreen(Color col = Color {0, 0, 0, 255}) override;
		void renderCurrent() override;

		void drawText(Resource* resource, std::string text, IntVec2 pos, Color color) override;
		void drawTexture(Resource* resource, IntRect size) override;

		void useShader(Shader* shader, Point2D points[3]) override;
		void stopUsingShaders() override;

		// Pre and Post draw
		void preDraw() override;
		void postDraw() override;

		// Update
		void update() override;

		// Util
		void compileShader(Shader* shader) override;
		void toggleWireframe() override;
		void setWindowTitle(std::string title) override;
		void resize(unsigned int width, unsigned int height);

		std::vector<WGPUFeatureName> mWebGPUFeatures;
	private:
		WGPUAdapter requestAdapter(WGPURequestAdapterOptions const * options);
		WGPUDevice requestDevice(WGPUDeviceDescriptor const * descriptor);

		void setupSwapChain(unsigned int width, unsigned int height);

		GLFWwindow* mWindow;
		wgpu::Instance mWebGPUInstance = nullptr;
		wgpu::Adapter mWebGPUAdapter = nullptr;
		wgpu::Device mWebGPUDevice = nullptr;
		wgpu::Queue mWebGPUQueue = nullptr;
		wgpu::SwapChain mWebGPUSwapChain = nullptr;

		wgpu::Surface mWebGPUSurface = nullptr;

		wgpu::Color mCurrentClearColor = {0.9, 0.1, 0.2, 1.0};
	};
}