Add RenderBundle struct and submit()

inferno/src/inferno/render/renderer.cpp

@@ -1,41 +1,63 @@
 #include <glad/glad.h>
 
+#include "inferno/component/transform.h"
 #include "inferno/render/buffer.h"
+#include "inferno/render/camera.h"
 #include "inferno/render/renderer.h"
+#include "inferno/render/shader.h"
+#include "inferno/render/texture.h"
 
 namespace Inferno {
 
-	void Command::clear()
+	void RenderCommand::clear()
 	{
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	}
 
-	void Command::clearColor(const glm::vec4 &color)
+	void RenderCommand::clearColor(const glm::vec4& color)
 	{
 		glClearColor(color.r, color.g, color.b, color.a);
 	}
 
-	void Command::drawIndexed(const std::shared_ptr<VertexArray> &vertexArray)
+	void RenderCommand::drawIndexed(const std::shared_ptr<VertexArray>& vertexArray)
 	{
 		glDrawElements(GL_TRIANGLES, vertexArray->getIndexBuffer()->getCount(), GL_UNSIGNED_INT, nullptr);
 	}
 
 // -----------------------------------------
 
-	void Renderer::beginScene()
-	{
+	std::shared_ptr<Camera> Renderer2D::m_camera = nullptr;
 
+	void Renderer2D::beginScene(const std::shared_ptr<Camera>& camera)
+	{
+		m_camera = camera;
 	}
 
-	void Renderer::endScene()
+	void Renderer2D::endScene()
 	{
 
 	}
 
-	void Renderer::submit(const std::shared_ptr<VertexArray> &vertexArray)
+	void Renderer2D::submit(const std::shared_ptr<VertexArray>& vertexArray)
 	{
 		vertexArray->bind();
-		Command::drawIndexed(vertexArray);
+		RenderCommand::drawIndexed(vertexArray);
+		vertexArray->unbind();
+	}
+
+	void Renderer2D::submit(const RenderBundle& bundle)
+	{
+		bundle.shader->bind();
+		if (bundle.texture) bundle.texture->bind();
+		bundle.vertexArray->bind();
+
+		bundle.shader->setFloat("u_projectionView", m_camera->projection() * m_camera->transform()->transform());
+		bundle.shader->setFloat("u_model", bundle.transform->transform());
+		RenderCommand::drawIndexed(bundle.vertexArray);
+
+		bundle.vertexArray->unbind();
+		if (bundle.texture) bundle.texture->unbind();
+		bundle.shader->unbind();
 	}
 
 }

inferno/src/inferno/render/renderer.h

@@ -3,28 +3,43 @@
 
 #include <memory>  // std::shared_ptr
 
-#include <glm/vec4.hpp>
+#include "glm/ext/vector_float4.hpp" // glm::vec4
 
 namespace Inferno {
 
+	class Camera;
+	class Shader;
+	class Texture;
+	class Transform;
 	class VertexArray;
 
-	class Command {
+	struct RenderBundle {
+		const std::shared_ptr<Shader>& shader;
+		const std::shared_ptr<Texture>& texture;
+		const std::shared_ptr<Transform>& transform;
+		const std::shared_ptr<VertexArray>& vertexArray;
+	};
+
+	class RenderCommand {
 	public:
 		static void clear();
-		static void clearColor(const glm::vec4 &color);
+		static void clearColor(const glm::vec4& color);
 
-		static void drawIndexed(const std::shared_ptr<VertexArray> &vertexArray);
+		static void drawIndexed(const std::shared_ptr<VertexArray>& vertexArray);
 	};
 
 // -----------------------------------------
 
-	class Renderer {
+	class Renderer2D {
 	public:
-		static void beginScene();
+		static void beginScene(const std::shared_ptr<Camera>& camera);
 		static void endScene();
 
-		static void submit(const std::shared_ptr<VertexArray> &vertexArray);
+		static void submit(const std::shared_ptr<VertexArray>& vertexArray);
+		static void submit(const RenderBundle& bundle);
+
+	private:
+		static std::shared_ptr<Camera> m_camera;
 	};
 
 }