frame_buffer.h

#pragma once
 
#include <cgv/data/component_format.h>
#include <cgv/render/texture.h>
#include <cgv/render/render_buffer.h>
#include <cgv/render/context.h>
 
#include "lib_begin.h"
 
namespace cgv {
    namespace render {

class CGV_API frame_buffer : public frame_buffer_base
{
public:
    static int get_max_nr_color_attachments(const context& ctx);
    static int get_max_nr_draw_buffers(const context& ctx);
    mutable std::string last_error;
    frame_buffer();
    ~frame_buffer();
    void destruct(const context& ctx);
    bool create(const context& ctx, int _width = -1, int _height = -1);
    void set_width(int _width);
    void set_height(int _height);
    void set_size(int _width, int _height);
    int get_width() const { return width; }
    int get_height() const { return height; }

    bool attach(const context& ctx, const render_buffer& rb, int i = 0);
    bool attach(const context& ctx, const texture& tex2d, int level = 0, int i = 0);
    bool attach(const context& ctx, const texture& tex3d, int z_or_cube_side, int level, int i);
    bool is_complete(const context& ctx) const;
    bool enable(context& ctx, int i0 = -1, int i1 = -1, int i2 = -1, int i3 = -1
                            , int i4 = -1, int i5 = -1, int i6 = -1, int i7 = -1
                            , int i8 = -1, int i9 = -1, int i10= -1, int i11= -1
                            , int i12= -1, int i13= -1, int i14= -1, int i15= -1);
    bool enable(context& ctx, std::vector<int>& indices);
    void push_viewport(context& ctx, const dvec2& depth_range = dvec2(0,1));
    void pop_viewport(context& ctx);
    bool disable(context& ctx);
    void blit_to(context& ctx, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) const { blit_to(ctx, ivec4(0, 0, width, height), ivec4(-1), btbs, interpolate); }
    void blit_to(context& ctx, const ivec4& src_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) const { blit_to(ctx, src_rect, ivec4(-1), btbs, interpolate); }
    void blit_to(context& ctx, const ivec4& src_rect, const ivec4& dst_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) const;
    void blit_to(context& ctx, frame_buffer& dst_fbo, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) const { blit_to(ctx, dst_fbo, ivec4(0, 0, width, height), ivec4(0, 0, dst_fbo.width, dst_fbo.height), btbs, interpolate); }
    void blit_to(context& ctx, frame_buffer& dst_fbo, const ivec4& src_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) const { blit_to(ctx, dst_fbo, src_rect, ivec4(0, 0, dst_fbo.width, dst_fbo.height), btbs, interpolate); }
    void blit_to(context& ctx, frame_buffer& dst_fbo, const ivec4& src_rect, const ivec4& dst_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) const;
    void blit_from(context& ctx, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) { blit_from(ctx, ivec4(0, 0, width, height), ivec4(-1), btbs, interpolate); }
    void blit_from(context& ctx, const ivec4& dst_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) { blit_from(ctx, dst_rect, ivec4(-1), btbs, interpolate); }
    void blit_from(context& ctx, const ivec4& dst_rect, const ivec4& src_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false);
    void blit_from(context& ctx, frame_buffer& src_fbo, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) { blit_from(ctx, src_fbo, ivec4(0, 0, width, height), ivec4(0, 0, src_fbo.width, src_fbo.height), btbs, interpolate); }
    void blit_from(context& ctx, frame_buffer& src_fbo, const ivec4& dst_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false) { blit_to(ctx, src_fbo, dst_rect, ivec4(0, 0, src_fbo.width, src_fbo.height), btbs, interpolate); }
    void blit_from(context& ctx, frame_buffer& src_fbo, const ivec4& dst_rect, const ivec4& src_rect, BufferTypeBits btbs = BTB_ALL_BITS, bool interpolate = false);
};
 
    }
}
 
#include <cgv/config/lib_end.h>