bool process(convert_params& params, convert_stats& stats) {
texture_type tex_type = params.m_texture_type;
crn_comp_params comp_params(params.m_comp_params);
crn_mipmap_params mipmap_params(params.m_mipmap_params);
progress_params progress_state;
progress_state.m_pParams = ¶ms;
progress_state.m_canceled = false;
progress_state.m_start_percentage = 0;
params.m_status = false;
params.m_error_message.clear();
if (params.m_pIntermediate_texture) {
crnlib_delete(params.m_pIntermediate_texture);
params.m_pIntermediate_texture = NULL;
}
params.m_pIntermediate_texture = crnlib_new<mipmapped_texture>(*params.m_pInput_texture);
mipmapped_texture& work_tex = *params.m_pInput_texture;
if ((params.m_unflip) && (work_tex.is_flipped())) {
console::info("Unflipping texture");
work_tex.unflip(true, true);
}
if (params.m_y_flip) {
console::info("Flipping texture on Y axis");
// This is awkward - if we're writing to KTX, then go ahead and properly update the work texture's orientation flags.
// Otherwise, don't bother updating the orientation flags because the writer may then attempt to unflip the texture before writing to formats
// that don't support flipped textures (ugh).
const bool bOutputFormatSupportsFlippedTextures = params.m_dst_file_type == texture_file_types::cFormatKTX;
if (!work_tex.flip_y(bOutputFormatSupportsFlippedTextures)) {
console::warning("Failed flipping texture on Y axis");
}
}
if ((params.m_dst_format != PIXEL_FMT_INVALID) && (pixel_format_helpers::is_alpha_only(params.m_dst_format))) {
if ((work_tex.get_comp_flags() & pixel_format_helpers::cCompFlagAValid) == 0) {
console::warning("Output format is alpha-only, but input doesn't have alpha, so setting alpha to luminance.");
work_tex.convert(PIXEL_FMT_A8, crnlib::dxt_image::pack_params());
if (tex_type == cTextureTypeNormalMap)
tex_type = cTextureTypeRegularMap;
}
}
pixel_format dst_format = params.m_dst_format;
if (pixel_format_helpers::is_dxt(dst_format)) {
if ((params.m_dst_file_type != texture_file_types::cFormatCRN) &&
(params.m_dst_file_type != texture_file_types::cFormatDDS) &&
(params.m_dst_file_type != texture_file_types::cFormatKTX)) {
console::warning("Output file format does not support DXTc - automatically choosing a non-DXT pixel format.");
dst_format = PIXEL_FMT_INVALID;
}
}
if (dst_format == PIXEL_FMT_INVALID) {
// Caller didn't specify a format to use, so try to pick something reasonable.
// This is actually much trickier than it seems, and the current approach kind of sucks.
dst_format = choose_pixel_format(params, comp_params, work_tex, tex_type);
}
if ((dst_format == PIXEL_FMT_DXT1) && (comp_params.get_flag(cCRNCompFlagDXT1AForTransparency)))
dst_format = PIXEL_FMT_DXT1A;
else if (dst_format == PIXEL_FMT_DXT1A)
comp_params.set_flag(cCRNCompFlagDXT1AForTransparency, true);
if ((dst_format == PIXEL_FMT_DXT1A) && (params.m_dst_file_type == texture_file_types::cFormatCRN)) {
console::warning("CRN file format does not support DXT1A compressed textures - converting to DXT5 instead.");
dst_format = PIXEL_FMT_DXT5;
}
const bool is_normal_map = (tex_type == cTextureTypeNormalMap);
bool perceptual = comp_params.get_flag(cCRNCompFlagPerceptual);
if (is_normal_map) {
perceptual = false;
mipmap_params.m_gamma_filtering = false;
}
if (pixel_format_helpers::is_pixel_format_non_srgb(dst_format)) {
if (perceptual) {
console::message("Output pixel format is swizzled or not RGB, disabling perceptual color metrics");
perceptual = false;
}
}
if (pixel_format_helpers::is_normal_map(dst_format)) {
if (perceptual)
console::message("Output pixel format is intended for normal maps, disabling perceptual color metrics");
perceptual = false;
}
bool generate_mipmaps = texture_file_types::supports_mipmaps(params.m_dst_file_type);
if ((params.m_write_mipmaps_to_multiple_files) &&
((params.m_dst_file_type != texture_file_types::cFormatCRN) && (params.m_dst_file_type != texture_file_types::cFormatDDS) && (params.m_dst_file_type != texture_file_types::cFormatKTX))) {
generate_mipmaps = true;
}
if (params.m_param_debugging) {
params.print();
print_comp_params(comp_params);
print_mipmap_params(mipmap_params);
}
if (!create_texture_mipmaps(work_tex, comp_params, mipmap_params, generate_mipmaps))
return convert_error(params, "Failed creating texture mipmaps!");
bool formats_differ = work_tex.get_format() != dst_format;
if (formats_differ) {
if (pixel_format_helpers::is_dxt1(work_tex.get_format()) && pixel_format_helpers::is_dxt1(dst_format))
formats_differ = false;
}
bool status = false;
timer t;
t.start();
if ((params.m_dst_file_type == texture_file_types::cFormatCRN) ||
((params.m_dst_file_type == texture_file_types::cFormatDDS) && (pixel_format_helpers::is_dxt(dst_format)) &&
//((formats_differ) || (comp_params.m_target_bitrate > 0.0f) || (comp_params.m_quality_level < cCRNMaxQualityLevel))
((comp_params.m_target_bitrate > 0.0f) || (comp_params.m_quality_level < cCRNMaxQualityLevel)))) {
status = write_compressed_texture(work_tex, params, comp_params, dst_format, progress_state, perceptual, stats);
} else {
if ((comp_params.m_target_bitrate > 0.0f) || (comp_params.m_quality_level < cCRNMaxQualityLevel)) {
console::warning("Target bitrate/quality level is not supported for this output file format.\n");
}
status = convert_and_write_normal_texture(work_tex, params, comp_params, dst_format, progress_state, formats_differ, perceptual, stats);
}
console::progress("");
if (progress_state.m_canceled) {
params.m_canceled = true;
return false;
}
double total_write_time = t.get_elapsed_secs();
if (status) {
if (params.m_param_debugging)
console::info("Work texture format: %s, desired destination format: %s", pixel_format_helpers::get_pixel_format_string(work_tex.get_format()), pixel_format_helpers::get_pixel_format_string(dst_format));
console::message("Texture successfully written in %3.3fs", total_write_time);
} else {
dynamic_string str;
if (work_tex.get_last_error().is_empty())
str.format("Failed writing texture to file \"%s\"", params.m_dst_filename.get_ptr());
else
str.format("Failed writing texture to file \"%s\", Reason: %s", params.m_dst_filename.get_ptr(), work_tex.get_last_error().get_ptr());
return convert_error(params, str.get_ptr());
}
if (params.m_debugging) {
crnlib_print_mem_stats();
}
params.m_status = true;
return true;
}
bool process(convert_params& params, convert_stats& stats)
{
texture_type tex_type = params.m_texture_type;
crn_comp_params comp_params(params.m_comp_params);
crn_mipmap_params mipmap_params(params.m_mipmap_params);
progress_params progress_state;
progress_state.m_pParams = ¶ms;
progress_state.m_canceled = false;
progress_state.m_start_percentage = 0;
params.m_status = false;
params.m_error_message.clear();
if (params.m_pIntermediate_texture)
{
crnlib_delete(params.m_pIntermediate_texture);
params.m_pIntermediate_texture = NULL;
}
params.m_pIntermediate_texture = crnlib_new<dds_texture>(*params.m_pInput_texture);
dds_texture& work_tex = *params.m_pInput_texture;
if ((params.m_dst_format != PIXEL_FMT_INVALID) && (pixel_format_helpers::is_alpha_only(params.m_dst_format)))
{
if ((work_tex.get_comp_flags() & pixel_format_helpers::cCompFlagAValid) == 0)
{
console::warning(L"Output format is alpha-only, but input doesn't have alpha, so setting alpha to luminance.");
work_tex.convert(PIXEL_FMT_A8, crnlib::dxt_image::pack_params());
if (tex_type == cTextureTypeNormalMap)
tex_type = cTextureTypeRegularMap;
}
}
pixel_format dst_format = params.m_dst_format;
if (dst_format == PIXEL_FMT_INVALID)
{
// Caller didn't specify a format to use, so try to pick something reasonable.
// This is actually much trickier than it seems, and the current approach kind of sucks.
dst_format = choose_pixel_format(params, comp_params, work_tex, tex_type);
}
if ((dst_format == PIXEL_FMT_DXT1) && (comp_params.get_flag(cCRNCompFlagDXT1AForTransparency)))
dst_format = PIXEL_FMT_DXT1A;
else if (dst_format == PIXEL_FMT_DXT1A)
comp_params.set_flag(cCRNCompFlagDXT1AForTransparency, true);
const bool is_normal_map = (tex_type == cTextureTypeNormalMap);
bool perceptual = comp_params.get_flag(cCRNCompFlagPerceptual);
if (is_normal_map)
{
perceptual = false;
mipmap_params.m_gamma_filtering = false;
}
if (pixel_format_helpers::is_pixel_format_non_srgb(dst_format))
{
if (perceptual)
{
//console::warning(L"Output pixel format is swizzled or not RGB, disabling perceptual color metrics");
perceptual = false;
}
}
if (pixel_format_helpers::is_normal_map(dst_format))
{
//if (perceptual)
//console::warning(L"Output pixel format is intended for normal maps, disabling perceptual color metrics");
perceptual = false;
}
bool generate_mipmaps = texture_file_types::supports_mipmaps(params.m_dst_file_type);
if ((params.m_write_mipmaps_to_multiple_files) && ((params.m_dst_file_type != texture_file_types::cFormatCRN) && (params.m_dst_file_type != texture_file_types::cFormatDDS)))
{
generate_mipmaps = true;
}
if (params.m_param_debugging)
{
params.print();
print_comp_params(comp_params);
print_mipmap_params(mipmap_params);
}
if (!create_texture_mipmaps(work_tex, comp_params, mipmap_params, generate_mipmaps))
return convert_error(params, L"Failed creating texture mipmaps!");
bool formats_differ = work_tex.get_format() != dst_format;
if (formats_differ)
{
if (pixel_format_helpers::is_dxt1(work_tex.get_format()) && pixel_format_helpers::is_dxt1(dst_format))
formats_differ = false;
}
bool status = false;
timer t;
t.start();
if ( (params.m_dst_file_type == texture_file_types::cFormatCRN) ||
( (params.m_dst_file_type == texture_file_types::cFormatDDS) && (pixel_format_helpers::is_dxt(dst_format)) &&
((formats_differ) || (comp_params.m_target_bitrate > 0.0f) || (comp_params.m_quality_level < cCRNMaxQualityLevel))
)
)
{
status = write_compressed_texture(work_tex, params, comp_params, dst_format, progress_state, perceptual, stats);
}
else
{
status = convert_and_write_normal_texture(work_tex, params, comp_params, dst_format, progress_state, formats_differ, perceptual, stats);
}
console::progress(L"");
if (progress_state.m_canceled)
{
params.m_canceled = true;
return false;
}
double total_write_time = t.get_elapsed_secs();
if (status)
{
if (params.m_param_debugging)
console::info(L"Work texture format: %s, desired destination format: %s", pixel_format_helpers::get_pixel_format_string(work_tex.get_format()), pixel_format_helpers::get_pixel_format_string(dst_format));
console::message(L"Texture successfully written in %3.3fs", total_write_time);
}
else
{
dynamic_wstring str;
if (work_tex.get_last_error().is_empty())
str.format(L"Failed writing texture to file \"%s\"", params.m_dst_filename.get_ptr());
else
str.format(L"Failed writing texture to file \"%s\", Reason: %s", params.m_dst_filename.get_ptr(), work_tex.get_last_error().get_ptr());
return convert_error(params, str.get_ptr());
}
if (params.m_debugging)
{
crnlib_print_mem_stats();
}
params.m_status = true;
return true;
}