Use texture compression in ResourceManager::LoadTexture

Author: htmlboss

MP-APS/ResourceManager.cpp

@@ -99,20 +99,24 @@ unsigned int ResourceManager::LoadTexture(const std::string_view path, const boo
 }
 
 GLenum format = 0;
+GLenum internalFormat = 0;
 switch (nrComponents) {
 case 1:
 format = GL_RED;
+internalFormat = GL_COMPRESSED_RED;
 break;
 case 3:
 format = GL_RGB;
+internalFormat = GL_COMPRESSED_RGB;
 break;
 case 4:
 format = GL_RGBA;
+internalFormat = GL_COMPRESSED_RGBA;
 break;
 }
 
 glBindTexture(GL_TEXTURE_2D, textureID);
-glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0, format, GL_UNSIGNED_BYTE, data);
+glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, GL_UNSIGNED_BYTE, data);
 if (useMipMaps) {
 glGenerateMipmap(GL_TEXTURE_2D);
 }