#pragma once

#include <cstdint>
#include <span>
#include <string_view>

namespace pp::renderer::gl {

struct OpenGlRuntime {
    bool desktop_gl = false;
    bool gles = false;
    bool web = false;
};

struct OpenGlCapabilities {
    bool framebuffer_fetch = false;
    bool map_buffer_alignment = false;
    bool float32_textures = false;
    bool float32_linear = false;
    bool float16_textures = false;
};

struct OpenGlPixelFormat {
    std::uint32_t internal_format = 0;
    std::uint32_t pixel_format = 0;
    std::uint32_t channel_count = 0;
};

[[nodiscard]] OpenGlCapabilities detect_opengl_capabilities(
    std::span<const std::string_view> extensions,
    OpenGlRuntime runtime) noexcept;

[[nodiscard]] std::uint32_t texture_upload_type_for_internal_format(std::uint32_t internal_format) noexcept;
[[nodiscard]] OpenGlPixelFormat texture_format_for_channel_count(std::uint32_t channel_count) noexcept;

}