rasterizer.h

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#ifndef NNGN_GRAPHICS_TERMINAL_RASTERIZER_H
#define NNGN_GRAPHICS_TERMINAL_RASTERIZER_H
 
#include "graphics/graphics.h"
#include "math/mat4.h"
#include "math/vec2.h"
 
#include "texture.h"
 
namespace nngn::term {
 
class FrameBuffer;
 
class Rasterizer {
public:
    using Mode = nngn::Graphics::TerminalMode;
    explicit Rasterizer(Mode m) : mode{m} {}
    mat4 proj(void) const { return this->m_proj; }
    mat4 hud_proj(void) const { return this->m_hud_proj; }
    void update_camera(
        uvec2 term_size, uvec2 window_size,
        mat4 proj, mat4 hud_proj, mat4 view);
    void sprite(
        std::span<const Vertex> vbo, std::span<const u32> ebo, mat4 proj,
        std::span<const Texture> textures, FrameBuffer *fb) const;
    void font(
        std::span<const Vertex> vbo, std::span<const u32> ebo, mat4 proj,
        std::span<const Texture> font, FrameBuffer *fb) const;
private:
    mat4 m_proj = {}, m_hud_proj = {};
    Mode mode;
};
 
}
 
#endif