285 lines
9.9 KiB
C++
285 lines
9.9 KiB
C++
/*************************************************************************/
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/* register_types.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "register_types.h"
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#include "core/os/os.h"
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#include "servers/rendering_server.h"
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#include "texture_basisu.h"
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#ifdef TOOLS_ENABLED
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#include <encoder/basisu_comp.h>
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#endif
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#include <transcoder/basisu_transcoder.h>
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enum BasisDecompressFormat {
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BASIS_DECOMPRESS_RG,
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BASIS_DECOMPRESS_RGB,
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BASIS_DECOMPRESS_RGBA,
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BASIS_DECOMPRESS_RG_AS_RA
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};
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//workaround for lack of ETC2 RG
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#define USE_RG_AS_RGBA
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basist::etc1_global_selector_codebook *sel_codebook = nullptr;
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#ifdef TOOLS_ENABLED
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static Vector<uint8_t> basis_universal_packer(const Ref<Image> &p_image, Image::UsedChannels p_channels) {
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Vector<uint8_t> budata;
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{
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Ref<Image> image = p_image->duplicate();
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// unfortunately, basis universal does not support compressing supplied mipmaps,
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// so for the time being, only compressing individual images will have to do.
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if (image->has_mipmaps()) {
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image->clear_mipmaps();
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}
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if (image->get_format() != Image::FORMAT_RGBA8) {
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image->convert(Image::FORMAT_RGBA8);
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}
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basisu::image buimg(image->get_width(), image->get_height());
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{
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Vector<uint8_t> vec = image->get_data();
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const uint8_t *r = vec.ptr();
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memcpy(buimg.get_ptr(), r, vec.size());
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}
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//image->save_png("pepeche.png");
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basisu::basis_compressor_params params;
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params.m_max_endpoint_clusters = 512;
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params.m_max_selector_clusters = 512;
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params.m_multithreading = true;
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//params.m_no_hybrid_sel_cb = true; //fixme, default on this causes crashes //seems fixed?
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params.m_pSel_codebook = sel_codebook;
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//params.m_quality_level = 0;
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//params.m_disable_hierarchical_endpoint_codebooks = true;
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//params.m_no_selector_rdo = true;
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params.m_auto_global_sel_pal = false;
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basisu::job_pool jpool(OS::get_singleton()->get_processor_count());
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params.m_pJob_pool = &jpool;
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params.m_mip_gen = false; //sorry, please some day support provided mipmaps.
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params.m_source_images.push_back(buimg);
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BasisDecompressFormat decompress_format = BASIS_DECOMPRESS_RG;
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params.m_check_for_alpha = false;
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switch (p_channels) {
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case Image::USED_CHANNELS_L: {
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decompress_format = BASIS_DECOMPRESS_RGB;
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} break;
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case Image::USED_CHANNELS_LA: {
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params.m_force_alpha = true;
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decompress_format = BASIS_DECOMPRESS_RGBA;
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} break;
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case Image::USED_CHANNELS_R: {
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decompress_format = BASIS_DECOMPRESS_RGB;
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} break;
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case Image::USED_CHANNELS_RG: {
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#ifdef USE_RG_AS_RGBA
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image->convert_rg_to_ra_rgba8();
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decompress_format = BASIS_DECOMPRESS_RG_AS_RA;
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#else
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params.m_seperate_rg_to_color_alpha = true;
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decompress_format = BASIS_DECOMPRESS_RG;
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#endif
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} break;
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case Image::USED_CHANNELS_RGB: {
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decompress_format = BASIS_DECOMPRESS_RGB;
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} break;
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case Image::USED_CHANNELS_RGBA: {
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params.m_force_alpha = true;
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decompress_format = BASIS_DECOMPRESS_RGBA;
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} break;
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}
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basisu::basis_compressor c;
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c.init(params);
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int buerr = c.process();
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ERR_FAIL_COND_V(buerr != basisu::basis_compressor::cECSuccess, budata);
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const basisu::uint8_vec &buvec = c.get_output_basis_file();
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budata.resize(buvec.size() + 4);
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{
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uint8_t *w = budata.ptrw();
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uint32_t *decf = (uint32_t *)w;
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*decf = decompress_format;
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memcpy(w + 4, &buvec[0], buvec.size());
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}
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}
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return budata;
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}
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#endif // TOOLS_ENABLED
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static Ref<Image> basis_universal_unpacker(const Vector<uint8_t> &p_buffer) {
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Ref<Image> image;
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const uint8_t *r = p_buffer.ptr();
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const uint8_t *ptr = r;
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int size = p_buffer.size();
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basist::transcoder_texture_format format = basist::transcoder_texture_format::cTFTotalTextureFormats;
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Image::Format imgfmt = Image::FORMAT_MAX;
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switch (*(uint32_t *)(ptr)) {
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case BASIS_DECOMPRESS_RG: {
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if (RS::get_singleton()->has_os_feature("rgtc")) {
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format = basist::transcoder_texture_format::cTFBC5; // get this from renderer
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imgfmt = Image::FORMAT_RGTC_RG;
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} else if (RS::get_singleton()->has_os_feature("etc2")) {
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//unfortunately, basis universal does not support
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//
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ERR_FAIL_V(image); //unimplemented here
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//format = basist::transcoder_texture_format::cTFETC1; // get this from renderer
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//imgfmt = Image::FORMAT_RGTC_RG;
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} else {
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// FIXME: There wasn't anything here, but then imgformat is used uninitialized.
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ERR_FAIL_V(image);
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}
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} break;
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case BASIS_DECOMPRESS_RGB: {
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if (RS::get_singleton()->has_os_feature("bptc")) {
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format = basist::transcoder_texture_format::cTFBC7_M6_OPAQUE_ONLY; // get this from renderer
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imgfmt = Image::FORMAT_BPTC_RGBA;
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} else if (RS::get_singleton()->has_os_feature("s3tc")) {
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format = basist::transcoder_texture_format::cTFBC1; // get this from renderer
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imgfmt = Image::FORMAT_DXT1;
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} else if (RS::get_singleton()->has_os_feature("etc")) {
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format = basist::transcoder_texture_format::cTFETC1; // get this from renderer
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imgfmt = Image::FORMAT_ETC;
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} else {
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format = basist::transcoder_texture_format::cTFBGR565; // get this from renderer
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imgfmt = Image::FORMAT_RGB565;
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}
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} break;
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case BASIS_DECOMPRESS_RGBA: {
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if (RS::get_singleton()->has_os_feature("bptc")) {
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format = basist::transcoder_texture_format::cTFBC7_M5; // get this from renderer
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imgfmt = Image::FORMAT_BPTC_RGBA;
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} else if (RS::get_singleton()->has_os_feature("s3tc")) {
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format = basist::transcoder_texture_format::cTFBC3; // get this from renderer
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imgfmt = Image::FORMAT_DXT5;
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} else if (RS::get_singleton()->has_os_feature("etc2")) {
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format = basist::transcoder_texture_format::cTFETC2; // get this from renderer
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imgfmt = Image::FORMAT_ETC2_RGBA8;
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} else {
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//opengl most likely
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format = basist::transcoder_texture_format::cTFRGBA4444; // get this from renderer
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imgfmt = Image::FORMAT_RGBA4444;
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}
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} break;
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case BASIS_DECOMPRESS_RG_AS_RA: {
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if (RS::get_singleton()->has_os_feature("s3tc")) {
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format = basist::transcoder_texture_format::cTFBC3; // get this from renderer
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imgfmt = Image::FORMAT_DXT5_RA_AS_RG;
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} else if (RS::get_singleton()->has_os_feature("etc2")) {
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format = basist::transcoder_texture_format::cTFETC2; // get this from renderer
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imgfmt = Image::FORMAT_ETC2_RGBA8;
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} else {
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//opengl most likely, bad for normal maps, nothing to do about this.
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format = basist::transcoder_texture_format::cTFRGBA32;
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imgfmt = Image::FORMAT_RGBA8;
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}
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} break;
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}
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ptr += 4;
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size -= 4;
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basist::basisu_transcoder tr(nullptr);
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ERR_FAIL_COND_V(!tr.validate_header(ptr, size), image);
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basist::basisu_image_info info;
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tr.get_image_info(ptr, size, info, 0);
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int block_size = basist::basis_get_bytes_per_block_or_pixel(format);
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Vector<uint8_t> gpudata;
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gpudata.resize(info.m_total_blocks * block_size);
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{
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uint8_t *w = gpudata.ptrw();
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uint8_t *dst = w;
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for (int i = 0; i < gpudata.size(); i++) {
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dst[i] = 0x00;
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}
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int ofs = 0;
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tr.start_transcoding(ptr, size);
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for (uint32_t i = 0; i < info.m_total_levels; i++) {
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basist::basisu_image_level_info level;
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tr.get_image_level_info(ptr, size, level, 0, i);
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bool ret = tr.transcode_image_level(ptr, size, 0, i, dst + ofs, level.m_total_blocks - i, format);
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if (!ret) {
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printf("failed! on level %i\n", i);
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break;
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};
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ofs += level.m_total_blocks * block_size;
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};
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};
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image.instantiate();
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image->create(info.m_width, info.m_height, info.m_total_levels > 1, imgfmt, gpudata);
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return image;
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}
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void register_basis_universal_types() {
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#ifdef TOOLS_ENABLED
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sel_codebook = new basist::etc1_global_selector_codebook(basist::g_global_selector_cb_size, basist::g_global_selector_cb);
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Image::basis_universal_packer = basis_universal_packer;
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#endif
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Image::basis_universal_unpacker = basis_universal_unpacker;
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//GDREGISTER_CLASS(TextureBasisU);
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}
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void unregister_basis_universal_types() {
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#ifdef TOOLS_ENABLED
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delete sel_codebook;
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Image::basis_universal_packer = nullptr;
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#endif
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Image::basis_universal_unpacker = nullptr;
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}
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