message: Vulkan: fix DXT => BC enum mapping.
diff: @@ -650,8 +650,8 @@ VkFormat getVkFormat(TextureFormat format) {
  // Compressed textures.
  case TextureFormat::DXT1_RGB: return VK_FORMAT_BC1_RGB_UNORM_BLOCK;
  case TextureFormat::DXT1_RGBA: return VK_FORMAT_BC1_RGBA_UNORM_BLOCK;
  - case TextureFormat::DXT3_RGBA: return VK_FORMAT_BC3_UNORM_BLOCK;
  - case TextureFormat::DXT5_RGBA: return VK_FORMAT_BC5_UNORM_BLOCK;
  + case TextureFormat::DXT3_RGBA: return VK_FORMAT_BC2_UNORM_BLOCK;
  + case TextureFormat::DXT5_RGBA: return VK_FORMAT_BC3_UNORM_BLOCK;
  case TextureFormat::RGBA_ASTC_4x4: return VK_FORMAT_ASTC_4x4_UNORM_BLOCK;
  case TextureFormat::RGBA_ASTC_5x4: return VK_FORMAT_ASTC_5x4_UNORM_BLOCK;
  