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#pragma once
#include "core/memory.h"
#include <string>
#include <cstdint>
#include <glm/glm.hpp>
namespace Donut
{
class Texture
{
public:
virtual ~Texture() = default;
virtual auto get_width() const -> uint32_t = 0;
virtual auto get_height() const -> uint32_t = 0;
virtual auto get_renderer_id() const -> uint32_t = 0;
virtual auto set_data(void* data, uint32_t size) -> void = 0;
virtual auto bind(uint32_t slot = 0) const -> void = 0;
virtual auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void = 0;
virtual auto operator==(const Texture& other) const -> bool = 0;
};
class Texture2D : public Texture
{
public:
Texture2D(uint32_t width, uint32_t height);
Texture2D(const std::string& path);
~Texture2D();
auto get_width() const -> uint32_t override { return m_width; }
auto get_height() const -> uint32_t override { return m_height; }
auto get_renderer_id() const -> uint32_t override { return m_renderer_id; }
auto set_data(void* data, uint32_t size) -> void override;
auto bind(uint32_t slot = 0) const -> void override;
auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void override;
auto operator==(const Texture& other) const -> bool override { return m_renderer_id == other.get_renderer_id(); }
static auto create(uint32_t width, uint32_t height) -> Ref<Texture2D>;
static auto create(const std::string& path) -> Ref<Texture2D>;
private:
std::string m_path;
uint32_t m_width = 0, m_height = 0;
uint32_t m_renderer_id = 0;
uint32_t m_internal_format = 0, m_data_format = 0; // GLenum values
};
class CubemapTexture : public Texture
{
public:
CubemapTexture(uint32_t width, uint32_t height);
CubemapTexture(const std::string& path);
~CubemapTexture();
auto get_width() const -> uint32_t override { return m_width; }
auto get_height() const -> uint32_t override { return m_height; }
auto get_renderer_id() const -> uint32_t override { return m_renderer_id; }
auto set_data(void* data, uint32_t size) -> void override;
auto bind(uint32_t slot = 0) const -> void override;
auto bind_as_image(uint32_t slot = 0, bool read_only = false) const -> void override;
auto operator==(const Texture& other) const -> bool override { return m_renderer_id == other.get_renderer_id(); }
static auto create(uint32_t width, uint32_t height) -> Ref<CubemapTexture>;
static auto create_from_hdri(const std::string& path) -> Ref<CubemapTexture>;
private:
auto LoadHDRI(const std::string& path) -> void;
auto convert_equirectangular_to_cubemap(float* hdr_data, int width, int height) -> void;
std::string m_path;
uint32_t m_width = 0, m_height = 0;
uint32_t m_renderer_id = 0;
uint32_t m_internal_format = 0, m_data_format = 0; // GLenum values
};
};
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