/**
 * Copyright (c) 2026 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "dusk.h"

typedef union texturedata_u texturedata_t;

typedef enum {
  TEXTURE_FORMAT_RGBA = GL_RGBA,
  TEXTURE_FORMAT_PALETTE = GL_COLOR_INDEX8_EXT,
  // TEXTURE_FORMAT_DXT5 = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT
} textureformatgl_t;

typedef struct {
  GLuint id;
  textureformatgl_t format;
  int32_t width;
  int32_t height;

  union {
    palette_t *palette;
  };
} texturegl_t;

/**
 * Initializes a texture.
 * 
 * @param texture The texture to initialize.
 * @param width The width of the texture.
 * @param height The height of the texture.
 * @param format The format of the texture (e.g., GL_RGBA, GL_ALPHA).
 * @param data The data for the texture, the format changes per format.
 * @return An error if the texture failed to initialize, otherwise success.
 */
errorret_t textureInitGL(
  texturegl_t *texture,
  const int32_t width,
  const int32_t height,
  const textureformatgl_t format,
  const texturedata_t data
);

/**
 * Disposes a texture.
 * 
 * @param texture The texture to dispose.
 * @return An error if the texture failed to dispose, otherwise success.
 */
errorret_t textureDisposeGL(texturegl_t *texture);