76 lines
1.2 KiB
C++
76 lines
1.2 KiB
C++
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#ifndef SPECTRE_BATCH_RENDERER2D_H
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#define SPECTRE_BATCH_RENDERER2D_H
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#include "Renderer2D.h"
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#include <Spectre/Scene/Camera2D.h>
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#include <Spectre/Graphics/RenderState.h>
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#include <Spectre/Graphics/Vertex2D.h>
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#include <Spectre/Math/Matrix4.h>
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#include <vector>
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namespace sp {
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class ShaderProgram;
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class Texture;
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class BatchRenderer2D : public Renderer2D
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{
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public :
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BatchRenderer2D();
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~BatchRenderer2D();
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void setBatchSize(unsigned short value);
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void begin();
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void end();
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void submit(const Renderable2D& renderable);
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// Drawing
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virtual void draw(const Renderable2D* renderable);
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void render();
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protected :
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struct Batch
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{
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RenderType type;
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const Texture* texture;
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unsigned int count;
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unsigned int offset;
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};
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typedef std::vector<Batch> BatchQueue;
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void prepareQueue();
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unsigned int addRenderable(Vertex2D* buffer, const Renderable2D* renderable);
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void uploadBatch(const Batch& batch);
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void drawBatch(Batch& batch);
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protected :
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std::vector<const Renderable2D*> m_queue;
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unsigned int m_VAO;
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unsigned int m_IBO;
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unsigned int m_VBO;
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RenderState m_state;
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unsigned short m_size;
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ShaderProgram* m_textShader;
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ShaderProgram* m_spriteShader;
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};
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} // namespace
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#endif /* SPECTRE_BATCH_RENDERER2D_H */
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