234 lines
6.6 KiB
C++
234 lines
6.6 KiB
C++
/*************************************************************************/
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/* texture_basisu.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) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 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 "texture_basisu.h"
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#if 0
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#include "core/os/os.h"
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#ifdef TOOLS_ENABLED
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#include <basisu_comp.h>
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#endif
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#include <transcoder/basisu_transcoder.h>
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void TextureBasisU::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_basisu_data", "data"), &TextureBasisU::set_basisu_data);
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ClassDB::bind_method(D_METHOD("get_basisu_data"), &TextureBasisU::get_data);
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ClassDB::bind_method(D_METHOD("import"), &TextureBasisU::import);
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ADD_PROPERTY(PropertyInfo(Variant::POOL_BYTE_ARRAY, "basisu_data"), "set_basisu_data", "get_basisu_data");
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};
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int TextureBasisU::get_width() const {
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return tex_size.x;
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};
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int TextureBasisU::get_height() const {
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return tex_size.y;
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};
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RID TextureBasisU::get_rid() const {
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return texture;
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};
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bool TextureBasisU::has_alpha() const {
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return false;
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};
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void TextureBasisU::set_flags(uint32_t p_flags) {
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flags = p_flags;
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VisualServer::get_singleton()->texture_set_flags(texture, p_flags);
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};
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uint32_t TextureBasisU::get_flags() const {
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return flags;
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};
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void TextureBasisU::set_basisu_data(const PoolVector<uint8_t>& p_data) {
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#ifdef TOOLS_ENABLED
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data = p_data;
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#endif
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PoolVector<uint8_t>::Read r = p_data.read();
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const void* ptr = r.ptr();
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int size = p_data.size();
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basist::transcoder_texture_format format;
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Image::Format imgfmt;
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if (OS::get_singleton()->has_feature("s3tc")) {
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format = basist::cTFBC3; // get this from renderer
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imgfmt = Image::FORMAT_DXT5;
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} else if (OS::get_singleton()->has_feature("etc2")) {
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format = basist::cTFETC2;
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imgfmt = Image::FORMAT_ETC2_RGBA8;
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};
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basist::basisu_transcoder tr(NULL);
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ERR_FAIL_COND(!tr.validate_header(ptr, size));
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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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tex_size = Size2(info.m_width, info.m_height);
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int block_size = basist::basis_get_bytes_per_block(format);
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PoolVector<uint8_t> gpudata;
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gpudata.resize(info.m_total_blocks * block_size);
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{
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PoolVector<uint8_t>::Write w = gpudata.write();
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uint8_t* dst = w.ptr();
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for (int i=0; i<gpudata.size(); i++)
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dst[i] = 0x00;
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int ofs = 0;
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tr.start_transcoding(ptr, size);
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for (int 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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Ref<Image> img;
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img.instance();
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img->create(info.m_width, info.m_height, info.m_total_levels > 1, imgfmt, gpudata);
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VisualServer::get_singleton()->texture_allocate(texture, tex_size.x, tex_size.y, 0, img->get_format(), VS::TEXTURE_TYPE_2D, flags);
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VisualServer::get_singleton()->texture_set_data(texture, img);
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};
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Error TextureBasisU::import(const Ref<Image>& p_img) {
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#ifdef TOOLS_ENABLED
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PoolVector<uint8_t> budata;
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{
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Image::Format format = p_img->get_format();
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if (format != Image::FORMAT_RGB8 && format != Image::FORMAT_RGBA8) {
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ERR_FAIL_V(ERR_INVALID_PARAMETER);
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return ERR_INVALID_PARAMETER;
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};
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Ref<Image> copy = p_img->duplicate();
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if (format == Image::FORMAT_RGB8)
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copy->convert(Image::FORMAT_RGBA8);
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basisu::image buimg(p_img->get_width(), p_img->get_height());
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int size = p_img->get_width() * p_img->get_height() * 4;
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PoolVector<uint8_t> vec = copy->get_data();
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{
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PoolVector<uint8_t>::Read r = vec.read();
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memcpy(buimg.get_ptr(), r.ptr(), size);
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};
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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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basisu::job_pool jpool(1);
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params.m_pJob_pool = &jpool;
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params.m_mip_gen = p_img->get_mipmap_count() > 0;
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params.m_source_images.push_back(buimg);
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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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if (buerr != basisu::basis_compressor::cECSuccess) {
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ERR_FAIL_V(ERR_INVALID_PARAMETER);
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return ERR_INVALID_PARAMETER;
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};
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const basisu::uint8_vec& buvec = c.get_output_basis_file();
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budata.resize(buvec.size());
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{
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PoolVector<uint8_t>::Write w = budata.write();
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memcpy(w.ptr(), &buvec[0], budata.size());
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};
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};
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set_basisu_data(budata);
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return OK;
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#else
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return ERR_UNAVAILABLE;
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#endif
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};
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PoolVector<uint8_t> TextureBasisU::get_basisu_data() const {
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return data;
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};
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TextureBasisU::TextureBasisU() {
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flags = FLAGS_DEFAULT;
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texture = VisualServer::get_singleton()->texture_create();
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};
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TextureBasisU::~TextureBasisU() {
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VisualServer::get_singleton()->free(texture);
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};
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#endif
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