367 lines
14 KiB
C++
367 lines
14 KiB
C++
/**************************************************************************/
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/* portable_compressed_texture.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "portable_compressed_texture.h"
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#include "core/config/project_settings.h"
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#include "core/io/marshalls.h"
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#include "scene/resources/bit_map.h"
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void PortableCompressedTexture2D::_set_data(const Vector<uint8_t> &p_data) {
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if (p_data.size() == 0) {
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return; //nothing to do
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}
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const uint8_t *data = p_data.ptr();
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uint32_t data_size = p_data.size();
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ERR_FAIL_COND(data_size < 20);
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compression_mode = CompressionMode(decode_uint16(data));
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DataFormat data_format = DataFormat(decode_uint16(data + 2));
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format = Image::Format(decode_uint32(data + 4));
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uint32_t mipmap_count = decode_uint32(data + 8);
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size.width = decode_uint32(data + 12);
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size.height = decode_uint32(data + 16);
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mipmaps = mipmap_count > 1;
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data += 20;
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data_size -= 20;
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Ref<Image> image;
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switch (compression_mode) {
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case COMPRESSION_MODE_LOSSLESS:
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case COMPRESSION_MODE_LOSSY: {
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ImageMemLoadFunc loader_func;
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if (data_format == DATA_FORMAT_UNDEFINED) {
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loader_func = nullptr;
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} else if (data_format == DATA_FORMAT_PNG) {
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loader_func = Image::_png_mem_unpacker_func;
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} else if (data_format == DATA_FORMAT_WEBP) {
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loader_func = Image::_webp_mem_loader_func;
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} else {
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ERR_FAIL();
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}
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Vector<uint8_t> image_data;
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ERR_FAIL_COND(data_size < 4);
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for (uint32_t i = 0; i < mipmap_count; i++) {
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uint32_t mipsize = decode_uint32(data);
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data += 4;
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data_size -= 4;
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ERR_FAIL_COND(mipsize > data_size);
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Ref<Image> img = loader_func == nullptr
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? memnew(Image(data, data_size))
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: Ref<Image>(loader_func(data, data_size));
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ERR_FAIL_COND(img->is_empty());
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if (img->get_format() != format) { // May happen due to webp/png in the tiny mipmaps.
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img->convert(format);
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}
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image_data.append_array(img->get_data());
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data += mipsize;
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data_size -= mipsize;
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}
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image = Ref<Image>(memnew(Image(size.width, size.height, mipmaps, format, image_data)));
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} break;
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case COMPRESSION_MODE_BASIS_UNIVERSAL: {
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ERR_FAIL_NULL(Image::basis_universal_unpacker_ptr);
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image = Image::basis_universal_unpacker_ptr(data, data_size);
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} break;
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case COMPRESSION_MODE_S3TC:
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case COMPRESSION_MODE_ETC2:
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case COMPRESSION_MODE_BPTC: {
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image = Ref<Image>(memnew(Image(size.width, size.height, mipmaps, format, p_data.slice(20))));
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} break;
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}
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ERR_FAIL_COND(image.is_null());
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if (texture.is_null()) {
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texture = RenderingServer::get_singleton()->texture_2d_create(image);
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} else {
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RID new_texture = RenderingServer::get_singleton()->texture_2d_create(image);
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RenderingServer::get_singleton()->texture_replace(texture, new_texture);
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}
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image_stored = true;
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size_override = size;
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RenderingServer::get_singleton()->texture_set_size_override(texture, size_override.width, size_override.height);
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alpha_cache.unref();
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if (keep_all_compressed_buffers || keep_compressed_buffer) {
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compressed_buffer = p_data;
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} else {
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compressed_buffer.clear();
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}
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}
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PortableCompressedTexture2D::CompressionMode PortableCompressedTexture2D::get_compression_mode() const {
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return compression_mode;
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}
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Vector<uint8_t> PortableCompressedTexture2D::_get_data() const {
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return compressed_buffer;
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}
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void PortableCompressedTexture2D::create_from_image(const Ref<Image> &p_image, CompressionMode p_compression_mode, bool p_normal_map, float p_lossy_quality) {
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ERR_FAIL_COND(p_image.is_null() || p_image->is_empty());
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Vector<uint8_t> buffer;
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buffer.resize(20);
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encode_uint16(p_compression_mode, buffer.ptrw());
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encode_uint16(DATA_FORMAT_UNDEFINED, buffer.ptrw() + 2);
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encode_uint32(p_image->get_format(), buffer.ptrw() + 4);
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encode_uint32(p_image->get_mipmap_count() + 1, buffer.ptrw() + 8);
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encode_uint32(p_image->get_width(), buffer.ptrw() + 12);
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encode_uint32(p_image->get_height(), buffer.ptrw() + 16);
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switch (p_compression_mode) {
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case COMPRESSION_MODE_LOSSLESS:
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case COMPRESSION_MODE_LOSSY: {
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bool lossless_force_png = GLOBAL_GET("rendering/textures/lossless_compression/force_png") ||
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!Image::_webp_mem_loader_func; // WebP module disabled.
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bool use_webp = !lossless_force_png && p_image->get_width() <= 16383 && p_image->get_height() <= 16383; // WebP has a size limit.
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for (int i = 0; i < p_image->get_mipmap_count() + 1; i++) {
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Vector<uint8_t> data;
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if (p_compression_mode == COMPRESSION_MODE_LOSSY) {
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data = Image::webp_lossy_packer(p_image->get_image_from_mipmap(i), p_lossy_quality);
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encode_uint16(DATA_FORMAT_WEBP, buffer.ptrw() + 2);
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} else {
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if (use_webp) {
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data = Image::webp_lossless_packer(p_image->get_image_from_mipmap(i));
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encode_uint16(DATA_FORMAT_WEBP, buffer.ptrw() + 2);
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} else {
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data = Image::png_packer(p_image->get_image_from_mipmap(i));
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encode_uint16(DATA_FORMAT_PNG, buffer.ptrw() + 2);
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}
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}
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int data_len = data.size();
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buffer.resize(buffer.size() + 4);
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encode_uint32(data_len, buffer.ptrw() + buffer.size() - 4);
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buffer.append_array(data);
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}
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} break;
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case COMPRESSION_MODE_BASIS_UNIVERSAL: {
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encode_uint16(DATA_FORMAT_BASIS_UNIVERSAL, buffer.ptrw() + 2);
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Image::UsedChannels uc = p_image->detect_used_channels(p_normal_map ? Image::COMPRESS_SOURCE_NORMAL : Image::COMPRESS_SOURCE_GENERIC);
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Vector<uint8_t> budata = Image::basis_universal_packer(p_image, uc);
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buffer.append_array(budata);
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} break;
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case COMPRESSION_MODE_S3TC:
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case COMPRESSION_MODE_ETC2:
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case COMPRESSION_MODE_BPTC: {
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encode_uint16(DATA_FORMAT_IMAGE, buffer.ptrw() + 2);
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Ref<Image> copy = p_image->duplicate();
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switch (p_compression_mode) {
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case COMPRESSION_MODE_S3TC:
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copy->compress(Image::COMPRESS_S3TC);
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break;
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case COMPRESSION_MODE_ETC2:
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copy->compress(Image::COMPRESS_ETC2);
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break;
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case COMPRESSION_MODE_BPTC:
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copy->compress(Image::COMPRESS_BPTC);
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break;
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default: {
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};
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}
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buffer.append_array(copy->get_data());
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} break;
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}
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_set_data(buffer);
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}
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Image::Format PortableCompressedTexture2D::get_format() const {
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return format;
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}
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Ref<Image> PortableCompressedTexture2D::get_image() const {
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if (image_stored) {
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return RenderingServer::get_singleton()->texture_2d_get(texture);
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} else {
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return Ref<Image>();
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}
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}
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int PortableCompressedTexture2D::get_width() const {
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return size.width;
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}
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int PortableCompressedTexture2D::get_height() const {
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return size.height;
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}
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RID PortableCompressedTexture2D::get_rid() const {
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if (texture.is_null()) {
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// We are in trouble, create something temporary.
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texture = RenderingServer::get_singleton()->texture_2d_placeholder_create();
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}
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return texture;
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}
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bool PortableCompressedTexture2D::has_alpha() const {
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return (format == Image::FORMAT_LA8 || format == Image::FORMAT_RGBA8);
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}
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void PortableCompressedTexture2D::draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate, bool p_transpose) const {
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if (size.width == 0 || size.height == 0) {
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return;
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}
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RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, Rect2(p_pos, size), texture, false, p_modulate, p_transpose);
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}
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void PortableCompressedTexture2D::draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile, const Color &p_modulate, bool p_transpose) const {
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if (size.width == 0 || size.height == 0) {
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return;
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}
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RenderingServer::get_singleton()->canvas_item_add_texture_rect(p_canvas_item, p_rect, texture, p_tile, p_modulate, p_transpose);
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}
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void PortableCompressedTexture2D::draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate, bool p_transpose, bool p_clip_uv) const {
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if (size.width == 0 || size.height == 0) {
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return;
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}
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RenderingServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, p_rect, texture, p_src_rect, p_modulate, p_transpose, p_clip_uv);
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}
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bool PortableCompressedTexture2D::is_pixel_opaque(int p_x, int p_y) const {
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if (!alpha_cache.is_valid()) {
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Ref<Image> img = get_image();
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if (img.is_valid()) {
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if (img->is_compressed()) { //must decompress, if compressed
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Ref<Image> decom = img->duplicate();
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decom->decompress();
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img = decom;
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}
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alpha_cache.instantiate();
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alpha_cache->create_from_image_alpha(img);
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}
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}
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if (alpha_cache.is_valid()) {
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int aw = int(alpha_cache->get_size().width);
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int ah = int(alpha_cache->get_size().height);
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if (aw == 0 || ah == 0) {
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return true;
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}
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int x = p_x * aw / size.width;
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int y = p_y * ah / size.height;
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x = CLAMP(x, 0, aw);
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y = CLAMP(y, 0, ah);
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return alpha_cache->get_bit(x, y);
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}
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return true;
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}
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void PortableCompressedTexture2D::set_size_override(const Size2 &p_size) {
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size_override = p_size;
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RenderingServer::get_singleton()->texture_set_size_override(texture, size_override.width, size_override.height);
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}
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Size2 PortableCompressedTexture2D::get_size_override() const {
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return size_override;
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}
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void PortableCompressedTexture2D::set_path(const String &p_path, bool p_take_over) {
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if (texture.is_valid()) {
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RenderingServer::get_singleton()->texture_set_path(texture, p_path);
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}
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Resource::set_path(p_path, p_take_over);
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}
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bool PortableCompressedTexture2D::keep_all_compressed_buffers = false;
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void PortableCompressedTexture2D::set_keep_all_compressed_buffers(bool p_keep) {
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keep_all_compressed_buffers = p_keep;
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}
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bool PortableCompressedTexture2D::is_keeping_all_compressed_buffers() {
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return keep_all_compressed_buffers;
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}
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void PortableCompressedTexture2D::set_keep_compressed_buffer(bool p_keep) {
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keep_compressed_buffer = p_keep;
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if (!p_keep) {
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compressed_buffer.clear();
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}
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}
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bool PortableCompressedTexture2D::is_keeping_compressed_buffer() const {
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return keep_compressed_buffer;
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}
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void PortableCompressedTexture2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("create_from_image", "image", "compression_mode", "normal_map", "lossy_quality"), &PortableCompressedTexture2D::create_from_image, DEFVAL(false), DEFVAL(0.8));
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ClassDB::bind_method(D_METHOD("get_format"), &PortableCompressedTexture2D::get_format);
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ClassDB::bind_method(D_METHOD("get_compression_mode"), &PortableCompressedTexture2D::get_compression_mode);
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ClassDB::bind_method(D_METHOD("set_size_override", "size"), &PortableCompressedTexture2D::set_size_override);
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ClassDB::bind_method(D_METHOD("get_size_override"), &PortableCompressedTexture2D::get_size_override);
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ClassDB::bind_method(D_METHOD("set_keep_compressed_buffer", "keep"), &PortableCompressedTexture2D::set_keep_compressed_buffer);
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ClassDB::bind_method(D_METHOD("is_keeping_compressed_buffer"), &PortableCompressedTexture2D::is_keeping_compressed_buffer);
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ClassDB::bind_method(D_METHOD("_set_data", "data"), &PortableCompressedTexture2D::_set_data);
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ClassDB::bind_method(D_METHOD("_get_data"), &PortableCompressedTexture2D::_get_data);
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ClassDB::bind_static_method("PortableCompressedTexture2D", D_METHOD("set_keep_all_compressed_buffers", "keep"), &PortableCompressedTexture2D::set_keep_all_compressed_buffers);
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ClassDB::bind_static_method("PortableCompressedTexture2D", D_METHOD("is_keeping_all_compressed_buffers"), &PortableCompressedTexture2D::is_keeping_all_compressed_buffers);
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ADD_PROPERTY(PropertyInfo(Variant::PACKED_BYTE_ARRAY, "_data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), "_set_data", "_get_data");
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size_override", PROPERTY_HINT_NONE, "suffix:px"), "set_size_override", "get_size_override");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "keep_compressed_buffer"), "set_keep_compressed_buffer", "is_keeping_compressed_buffer");
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BIND_ENUM_CONSTANT(COMPRESSION_MODE_LOSSLESS);
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BIND_ENUM_CONSTANT(COMPRESSION_MODE_LOSSY);
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BIND_ENUM_CONSTANT(COMPRESSION_MODE_BASIS_UNIVERSAL);
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BIND_ENUM_CONSTANT(COMPRESSION_MODE_S3TC);
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BIND_ENUM_CONSTANT(COMPRESSION_MODE_ETC2);
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BIND_ENUM_CONSTANT(COMPRESSION_MODE_BPTC);
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}
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PortableCompressedTexture2D::PortableCompressedTexture2D() {}
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PortableCompressedTexture2D::~PortableCompressedTexture2D() {
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if (texture.is_valid()) {
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ERR_FAIL_NULL(RenderingServer::get_singleton());
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RenderingServer::get_singleton()->free(texture);
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}
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}
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