Refactor image_saver_tinyexr.cpp to prevent compiler warnings.

Prevents GCC compiler throwing: control reaches end of non-void function.
Prevents Visual Studio throwing C4715: not all control paths return a value.
This commit is contained in:
Marcel Admiraal 2020-02-11 09:09:44 +01:00
parent 07d21b84a3
commit a3b938d6dc

View file

@ -58,7 +58,8 @@ static bool is_supported_format(Image::Format p_format) {
enum SrcPixelType {
SRC_FLOAT,
SRC_HALF,
SRC_BYTE
SRC_BYTE,
SRC_UNSUPPORTED
};
static SrcPixelType get_source_pixel_type(Image::Format p_format) {
@ -79,7 +80,7 @@ static SrcPixelType get_source_pixel_type(Image::Format p_format) {
case Image::FORMAT_RGBA8:
return SRC_BYTE;
default:
CRASH_NOW();
return SRC_UNSUPPORTED;
}
}
@ -101,7 +102,7 @@ static int get_target_pixel_type(Image::Format p_format) {
case Image::FORMAT_RGBA8:
return TINYEXR_PIXELTYPE_HALF;
default:
CRASH_NOW();
return -1;
}
}
@ -112,7 +113,7 @@ static int get_pixel_type_size(int p_pixel_type) {
case TINYEXR_PIXELTYPE_FLOAT:
return 4;
}
CRASH_NOW();
return -1;
}
static int get_channel_count(Image::Format p_format) {
@ -134,7 +135,7 @@ static int get_channel_count(Image::Format p_format) {
case Image::FORMAT_RGBA8:
return 4;
default:
CRASH_NOW();
return -1;
}
}
@ -173,11 +174,15 @@ Error save_exr(const String &p_path, const Ref<Image> &p_img, bool p_grayscale)
};
int channel_count = get_channel_count(format);
ERR_FAIL_COND_V(channel_count < 0, ERR_UNAVAILABLE);
ERR_FAIL_COND_V(p_grayscale && channel_count != 1, ERR_INVALID_PARAMETER);
int target_pixel_type = get_target_pixel_type(format);
ERR_FAIL_COND_V(target_pixel_type < 0, ERR_UNAVAILABLE);
int target_pixel_type_size = get_pixel_type_size(target_pixel_type);
ERR_FAIL_COND_V(target_pixel_type_size < 0, ERR_UNAVAILABLE);
SrcPixelType src_pixel_type = get_source_pixel_type(format);
ERR_FAIL_COND_V(src_pixel_type = SRC_UNSUPPORTED, ERR_UNAVAILABLE);
const int pixel_count = p_img->get_width() * p_img->get_height();
const int *channel_mapping = channel_mappings[channel_count - 1];