diff options
Diffstat (limited to 'modules/pvr')
| -rw-r--r-- | modules/pvr/SCsub | 38 | ||||
| -rw-r--r-- | modules/pvr/config.py | 6 | ||||
| -rw-r--r-- | modules/pvr/image_compress_pvrtc.cpp | 88 | ||||
| -rw-r--r-- | modules/pvr/image_compress_pvrtc.h | 36 | ||||
| -rw-r--r-- | modules/pvr/register_types.cpp | 48 | ||||
| -rw-r--r-- | modules/pvr/register_types.h | 37 | ||||
| -rw-r--r-- | modules/pvr/texture_loader_pvr.cpp | 608 | ||||
| -rw-r--r-- | modules/pvr/texture_loader_pvr.h | 48 |
8 files changed, 0 insertions, 909 deletions
diff --git a/modules/pvr/SCsub b/modules/pvr/SCsub deleted file mode 100644 index 36052cffed..0000000000 --- a/modules/pvr/SCsub +++ /dev/null @@ -1,38 +0,0 @@ -#!/usr/bin/env python - -Import("env") -Import("env_modules") - -env_pvr = env_modules.Clone() - -# Thirdparty source files - -thirdparty_obj = [] - -# Not unbundled so far since not widespread as shared library -thirdparty_dir = "#thirdparty/pvrtccompressor/" -thirdparty_sources = [ - "BitScale.cpp", - "MortonTable.cpp", - "PvrTcDecoder.cpp", - "PvrTcEncoder.cpp", - "PvrTcPacket.cpp", -] -thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources] - -env_pvr.Prepend(CPPPATH=[thirdparty_dir]) - -env_thirdparty = env_pvr.Clone() -env_thirdparty.disable_warnings() -env_thirdparty.add_source_files(thirdparty_obj, thirdparty_sources) -env.modules_sources += thirdparty_obj - -# Godot source files - -module_obj = [] - -env_pvr.add_source_files(module_obj, "*.cpp") -env.modules_sources += module_obj - -# Needed to force rebuilding the module files when the thirdparty library is updated. -env.Depends(module_obj, thirdparty_obj) diff --git a/modules/pvr/config.py b/modules/pvr/config.py deleted file mode 100644 index d22f9454ed..0000000000 --- a/modules/pvr/config.py +++ /dev/null @@ -1,6 +0,0 @@ -def can_build(env, platform): - return True - - -def configure(env): - pass diff --git a/modules/pvr/image_compress_pvrtc.cpp b/modules/pvr/image_compress_pvrtc.cpp deleted file mode 100644 index 980cac17d3..0000000000 --- a/modules/pvr/image_compress_pvrtc.cpp +++ /dev/null @@ -1,88 +0,0 @@ -/*************************************************************************/ -/* image_compress_pvrtc.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "image_compress_pvrtc.h" - -#include "core/io/image.h" -#include "core/object/ref_counted.h" - -#include <PvrTcEncoder.h> -#include <RgbaBitmap.h> - -static void _compress_pvrtc1_4bpp(Image *p_img) { - Ref<Image> img = p_img->duplicate(); - - bool make_mipmaps = false; - if (!img->is_size_po2() || img->get_width() != img->get_height()) { - make_mipmaps = img->has_mipmaps(); - img->resize_to_po2(true); - // Resizing can fail for some formats - if (!img->is_size_po2() || img->get_width() != img->get_height()) { - ERR_FAIL_MSG("Failed to resize the image for compression."); - } - } - img->convert(Image::FORMAT_RGBA8); - if (!img->has_mipmaps() && make_mipmaps) { - img->generate_mipmaps(); - } - - bool use_alpha = img->detect_alpha(); - - Ref<Image> new_img; - new_img.instantiate(); - new_img->create(img->get_width(), img->get_height(), img->has_mipmaps(), use_alpha ? Image::FORMAT_PVRTC1_4A : Image::FORMAT_PVRTC1_4); - - Vector<uint8_t> data = new_img->get_data(); - { - uint8_t *wr = data.ptrw(); - const uint8_t *r = img->get_data().ptr(); - - for (int i = 0; i <= new_img->get_mipmap_count(); i++) { - int ofs, size, w, h; - img->get_mipmap_offset_size_and_dimensions(i, ofs, size, w, h); - Javelin::RgbaBitmap bm(w, h); - void *dst = (void *)bm.GetData(); - memcpy(dst, &r[ofs], size); - Javelin::ColorRgba<unsigned char> *dp = bm.GetData(); - for (int j = 0; j < size / 4; j++) { - // Red and blue colors are swapped. - SWAP(dp[j].r, dp[j].b); - } - new_img->get_mipmap_offset_size_and_dimensions(i, ofs, size, w, h); - Javelin::PvrTcEncoder::EncodeRgba4Bpp(&wr[ofs], bm); - } - } - - p_img->create(new_img->get_width(), new_img->get_height(), new_img->has_mipmaps(), new_img->get_format(), data); -} - -void _register_pvrtc_compress_func() { - Image::_image_compress_pvrtc1_4bpp_func = _compress_pvrtc1_4bpp; -} diff --git a/modules/pvr/image_compress_pvrtc.h b/modules/pvr/image_compress_pvrtc.h deleted file mode 100644 index 985076ce4d..0000000000 --- a/modules/pvr/image_compress_pvrtc.h +++ /dev/null @@ -1,36 +0,0 @@ -/*************************************************************************/ -/* image_compress_pvrtc.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#ifndef IMAGE_COMPRESS_PVRTC_H -#define IMAGE_COMPRESS_PVRTC_H - -void _register_pvrtc_compress_func(); - -#endif // IMAGE_COMPRESS_PVRTC_H diff --git a/modules/pvr/register_types.cpp b/modules/pvr/register_types.cpp deleted file mode 100644 index ef72087d25..0000000000 --- a/modules/pvr/register_types.cpp +++ /dev/null @@ -1,48 +0,0 @@ -/*************************************************************************/ -/* register_types.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "register_types.h" - -#include "image_compress_pvrtc.h" -#include "texture_loader_pvr.h" - -static Ref<ResourceFormatPVR> resource_loader_pvr; - -void register_pvr_types() { - resource_loader_pvr.instantiate(); - ResourceLoader::add_resource_format_loader(resource_loader_pvr); - - _register_pvrtc_compress_func(); -} - -void unregister_pvr_types() { - ResourceLoader::remove_resource_format_loader(resource_loader_pvr); - resource_loader_pvr.unref(); -} diff --git a/modules/pvr/register_types.h b/modules/pvr/register_types.h deleted file mode 100644 index 74fcfe2ce4..0000000000 --- a/modules/pvr/register_types.h +++ /dev/null @@ -1,37 +0,0 @@ -/*************************************************************************/ -/* register_types.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#ifndef PVR_REGISTER_TYPES_H -#define PVR_REGISTER_TYPES_H - -void register_pvr_types(); -void unregister_pvr_types(); - -#endif // PVR_REGISTER_TYPES_H diff --git a/modules/pvr/texture_loader_pvr.cpp b/modules/pvr/texture_loader_pvr.cpp deleted file mode 100644 index ffa900ef99..0000000000 --- a/modules/pvr/texture_loader_pvr.cpp +++ /dev/null @@ -1,608 +0,0 @@ -/*************************************************************************/ -/* texture_loader_pvr.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "texture_loader_pvr.h" - -#include "core/io/file_access.h" - -static void _pvrtc_decompress(Image *p_img); - -enum PVRFLags { - PVR_HAS_MIPMAPS = 0x00000100, - PVR_TWIDDLED = 0x00000200, - PVR_NORMAL_MAP = 0x00000400, - PVR_BORDER = 0x00000800, - PVR_CUBE_MAP = 0x00001000, - PVR_FALSE_MIPMAPS = 0x00002000, - PVR_VOLUME_TEXTURES = 0x00004000, - PVR_HAS_ALPHA = 0x00008000, - PVR_VFLIP = 0x00010000 -}; - -RES ResourceFormatPVR::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) { - if (r_error) { - *r_error = ERR_CANT_OPEN; - } - - Error err; - FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err); - if (!f) { - return RES(); - } - - FileAccessRef faref(f); - - ERR_FAIL_COND_V(err, RES()); - - if (r_error) { - *r_error = ERR_FILE_CORRUPT; - } - - uint32_t hsize = f->get_32(); - - ERR_FAIL_COND_V(hsize != 52, RES()); - uint32_t height = f->get_32(); - uint32_t width = f->get_32(); - uint32_t mipmaps = f->get_32(); - uint32_t flags = f->get_32(); - uint32_t surfsize = f->get_32(); - f->seek(f->get_position() + 20); // bpp, rmask, gmask, bmask, amask - uint8_t pvrid[5] = { 0, 0, 0, 0, 0 }; - f->get_buffer(pvrid, 4); - ERR_FAIL_COND_V(String((char *)pvrid) != "PVR!", RES()); - f->get_32(); // surfcount - - /* - print_line("height: "+itos(height)); - print_line("width: "+itos(width)); - print_line("mipmaps: "+itos(mipmaps)); - print_line("flags: "+itos(flags)); - print_line("surfsize: "+itos(surfsize)); - print_line("bpp: "+itos(bpp)); - print_line("rmask: "+itos(rmask)); - print_line("gmask: "+itos(gmask)); - print_line("bmask: "+itos(bmask)); - print_line("amask: "+itos(amask)); - print_line("surfcount: "+itos(surfcount)); - */ - - Vector<uint8_t> data; - data.resize(surfsize); - - ERR_FAIL_COND_V(data.size() == 0, RES()); - - uint8_t *w = data.ptrw(); - f->get_buffer(&w[0], surfsize); - err = f->get_error(); - ERR_FAIL_COND_V(err != OK, RES()); - - Image::Format format = Image::FORMAT_MAX; - - switch (flags & 0xFF) { - case 0x18: - case 0xC: - format = (flags & PVR_HAS_ALPHA) ? Image::FORMAT_PVRTC1_2A : Image::FORMAT_PVRTC1_2; - break; - case 0x19: - case 0xD: - format = (flags & PVR_HAS_ALPHA) ? Image::FORMAT_PVRTC1_4A : Image::FORMAT_PVRTC1_4; - break; - case 0x16: - format = Image::FORMAT_L8; - break; - case 0x17: - format = Image::FORMAT_LA8; - break; - case 0x20: - case 0x80: - case 0x81: - format = Image::FORMAT_DXT1; - break; - case 0x21: - case 0x22: - case 0x82: - case 0x83: - format = Image::FORMAT_DXT3; - break; - case 0x23: - case 0x24: - case 0x84: - case 0x85: - format = Image::FORMAT_DXT5; - break; - case 0x4: - case 0x15: - format = Image::FORMAT_RGB8; - break; - case 0x5: - case 0x12: - format = Image::FORMAT_RGBA8; - break; - case 0x36: - format = Image::FORMAT_ETC; - break; - default: - ERR_FAIL_V_MSG(RES(), "Unsupported format in PVR texture: " + itos(flags & 0xFF) + "."); - } - - Ref<Image> image = memnew(Image(width, height, mipmaps, format, data)); - ERR_FAIL_COND_V(image->is_empty(), RES()); - - Ref<ImageTexture> texture = memnew(ImageTexture); - texture->create_from_image(image); - - if (r_error) { - *r_error = OK; - } - - return texture; -} - -void ResourceFormatPVR::get_recognized_extensions(List<String> *p_extensions) const { - p_extensions->push_back("pvr"); -} - -bool ResourceFormatPVR::handles_type(const String &p_type) const { - return ClassDB::is_parent_class(p_type, "Texture2D"); -} - -String ResourceFormatPVR::get_resource_type(const String &p_path) const { - if (p_path.get_extension().to_lower() == "pvr") { - return "Texture2D"; - } - return ""; -} - -ResourceFormatPVR::ResourceFormatPVR() { - Image::_image_decompress_pvrtc = _pvrtc_decompress; -} - -///////////////////////////////////////////////////////// - -//PVRTC decompressor, Based on PVRTC decompressor by IMGTEC. - -///////////////////////////////////////////////////////// - -#define PT_INDEX 2 -#define BLK_Y_SIZE 4 -#define BLK_X_MAX 8 -#define BLK_X_2BPP 8 -#define BLK_X_4BPP 4 - -#define WRAP_COORD(Val, Size) ((Val) & ((Size)-1)) - -/* - Define an expression to either wrap or clamp large or small vals to the - legal coordinate range -*/ -#define LIMIT_COORD(Val, Size, p_tiled) \ - ((p_tiled) ? WRAP_COORD((Val), (Size)) : CLAMP((Val), 0, (Size)-1)) - -struct PVRTCBlock { - //blocks are 64 bits - uint32_t data[2] = {}; -}; - -_FORCE_INLINE_ bool is_po2(uint32_t p_input) { - if (p_input == 0) { - return false; - } - uint32_t minus1 = p_input - 1; - return ((p_input | minus1) == (p_input ^ minus1)) ? true : false; -} - -static void unpack_5554(const PVRTCBlock *p_block, int p_ab_colors[2][4]) { - uint32_t raw_bits[2]; - raw_bits[0] = p_block->data[1] & (0xFFFE); - raw_bits[1] = p_block->data[1] >> 16; - - for (int i = 0; i < 2; i++) { - if (raw_bits[i] & (1 << 15)) { - p_ab_colors[i][0] = (raw_bits[i] >> 10) & 0x1F; - p_ab_colors[i][1] = (raw_bits[i] >> 5) & 0x1F; - p_ab_colors[i][2] = raw_bits[i] & 0x1F; - if (i == 0) { - p_ab_colors[0][2] |= p_ab_colors[0][2] >> 4; - } - p_ab_colors[i][3] = 0xF; - } else { - p_ab_colors[i][0] = (raw_bits[i] >> (8 - 1)) & 0x1E; - p_ab_colors[i][1] = (raw_bits[i] >> (4 - 1)) & 0x1E; - - p_ab_colors[i][0] |= p_ab_colors[i][0] >> 4; - p_ab_colors[i][1] |= p_ab_colors[i][1] >> 4; - - p_ab_colors[i][2] = (raw_bits[i] & 0xF) << 1; - - if (i == 0) { - p_ab_colors[0][2] |= p_ab_colors[0][2] >> 3; - } else { - p_ab_colors[0][2] |= p_ab_colors[0][2] >> 4; - } - - p_ab_colors[i][3] = (raw_bits[i] >> 11) & 0xE; - } - } -} - -static void unpack_modulations(const PVRTCBlock *p_block, const int p_2bit, int p_modulation[8][16], int p_modulation_modes[8][16], int p_x, int p_y) { - int block_mod_mode = p_block->data[1] & 1; - uint32_t modulation_bits = p_block->data[0]; - - if (p_2bit && block_mod_mode) { - for (int y = 0; y < BLK_Y_SIZE; y++) { - for (int x = 0; x < BLK_X_2BPP; x++) { - p_modulation_modes[y + p_y][x + p_x] = block_mod_mode; - - if (((x ^ y) & 1) == 0) { - p_modulation[y + p_y][x + p_x] = modulation_bits & 3; - modulation_bits >>= 2; - } - } - } - - } else if (p_2bit) { - for (int y = 0; y < BLK_Y_SIZE; y++) { - for (int x = 0; x < BLK_X_2BPP; x++) { - p_modulation_modes[y + p_y][x + p_x] = block_mod_mode; - - if (modulation_bits & 1) { - p_modulation[y + p_y][x + p_x] = 0x3; - } else { - p_modulation[y + p_y][x + p_x] = 0x0; - } - - modulation_bits >>= 1; - } - } - } else { - for (int y = 0; y < BLK_Y_SIZE; y++) { - for (int x = 0; x < BLK_X_4BPP; x++) { - p_modulation_modes[y + p_y][x + p_x] = block_mod_mode; - p_modulation[y + p_y][x + p_x] = modulation_bits & 3; - modulation_bits >>= 2; - } - } - } - - ERR_FAIL_COND(modulation_bits != 0); -} - -static void interpolate_colors(const int p_colorp[4], const int p_colorq[4], const int p_colorr[4], const int p_colors[4], bool p_2bit, const int x, const int y, int r_result[4]) { - int u, v, uscale; - int k; - - int tmp1, tmp2; - - int P[4], Q[4], R[4], S[4]; - - for (k = 0; k < 4; k++) { - P[k] = p_colorp[k]; - Q[k] = p_colorq[k]; - R[k] = p_colorr[k]; - S[k] = p_colors[k]; - } - - v = (y & 0x3) | ((~y & 0x2) << 1); - - if (p_2bit) { - u = (x & 0x7) | ((~x & 0x4) << 1); - } else { - u = (x & 0x3) | ((~x & 0x2) << 1); - } - - v = v - BLK_Y_SIZE / 2; - - if (p_2bit) { - u = u - BLK_X_2BPP / 2; - uscale = 8; - } else { - u = u - BLK_X_4BPP / 2; - uscale = 4; - } - - for (k = 0; k < 4; k++) { - tmp1 = P[k] * uscale + u * (Q[k] - P[k]); - tmp2 = R[k] * uscale + u * (S[k] - R[k]); - - tmp1 = tmp1 * 4 + v * (tmp2 - tmp1); - - r_result[k] = tmp1; - } - - if (p_2bit) { - for (k = 0; k < 3; k++) { - r_result[k] >>= 2; - } - - r_result[3] >>= 1; - } else { - for (k = 0; k < 3; k++) { - r_result[k] >>= 1; - } - } - - for (k = 0; k < 4; k++) { - ERR_FAIL_COND(r_result[k] >= 256); - } - - for (k = 0; k < 3; k++) { - r_result[k] += r_result[k] >> 5; - } - - r_result[3] += r_result[3] >> 4; - - for (k = 0; k < 4; k++) { - ERR_FAIL_COND(r_result[k] >= 256); - } -} - -static void get_modulation_value(int x, int y, const int p_2bit, const int p_modulation[8][16], const int p_modulation_modes[8][16], int *r_mod, int *p_dopt) { - static const int rep_vals0[4] = { 0, 3, 5, 8 }; - static const int rep_vals1[4] = { 0, 4, 4, 8 }; - - int mod_val; - - y = (y & 0x3) | ((~y & 0x2) << 1); - - if (p_2bit) { - x = (x & 0x7) | ((~x & 0x4) << 1); - } else { - x = (x & 0x3) | ((~x & 0x2) << 1); - } - - *p_dopt = 0; - - if (p_modulation_modes[y][x] == 0) { - mod_val = rep_vals0[p_modulation[y][x]]; - } else if (p_2bit) { - if (((x ^ y) & 1) == 0) { - mod_val = rep_vals0[p_modulation[y][x]]; - } else if (p_modulation_modes[y][x] == 1) { - mod_val = (rep_vals0[p_modulation[y - 1][x]] + - rep_vals0[p_modulation[y + 1][x]] + - rep_vals0[p_modulation[y][x - 1]] + - rep_vals0[p_modulation[y][x + 1]] + 2) / - 4; - } else if (p_modulation_modes[y][x] == 2) { - mod_val = (rep_vals0[p_modulation[y][x - 1]] + - rep_vals0[p_modulation[y][x + 1]] + 1) / - 2; - } else { - mod_val = (rep_vals0[p_modulation[y - 1][x]] + - rep_vals0[p_modulation[y + 1][x]] + 1) / - 2; - } - } else { - mod_val = rep_vals1[p_modulation[y][x]]; - - *p_dopt = p_modulation[y][x] == PT_INDEX; - } - - *r_mod = mod_val; -} - -static int disable_twiddling = 0; - -static uint32_t twiddle_uv(uint32_t p_height, uint32_t p_width, uint32_t p_y, uint32_t p_x) { - uint32_t twiddled; - - uint32_t min_dimension; - uint32_t max_value; - - uint32_t scr_bit_pos; - uint32_t dst_bit_pos; - - int shift_count; - - ERR_FAIL_COND_V(p_y >= p_height, 0); - ERR_FAIL_COND_V(p_x >= p_width, 0); - - ERR_FAIL_COND_V(!is_po2(p_height), 0); - ERR_FAIL_COND_V(!is_po2(p_width), 0); - - if (p_height < p_width) { - min_dimension = p_height; - max_value = p_x; - } else { - min_dimension = p_width; - max_value = p_y; - } - - if (disable_twiddling) { - return (p_y * p_width + p_x); - } - - scr_bit_pos = 1; - dst_bit_pos = 1; - twiddled = 0; - shift_count = 0; - - while (scr_bit_pos < min_dimension) { - if (p_y & scr_bit_pos) { - twiddled |= dst_bit_pos; - } - - if (p_x & scr_bit_pos) { - twiddled |= (dst_bit_pos << 1); - } - - scr_bit_pos <<= 1; - dst_bit_pos <<= 2; - shift_count += 1; - } - - max_value >>= shift_count; - - twiddled |= (max_value << (2 * shift_count)); - - return twiddled; -} - -static void decompress_pvrtc(PVRTCBlock *p_comp_img, const int p_2bit, const int p_width, const int p_height, const int p_tiled, unsigned char *p_dst) { - int x, y; - int i, j; - - int block_x, blk_y; - int block_xp1, blk_yp1; - int x_block_size; - int block_width, block_height; - - int p_x, p_y; - - int p_modulation[8][16] = { { 0 } }; - int p_modulation_modes[8][16] = { { 0 } }; - - int Mod, DoPT; - - unsigned int u_pos; - - // local neighbourhood of blocks - PVRTCBlock *p_blocks[2][2]; - - PVRTCBlock *prev[2][2] = { { nullptr, nullptr }, { nullptr, nullptr } }; - - struct - { - int Reps[2][4]; - } colors5554[2][2]; - - int ASig[4], BSig[4]; - - int r_result[4]; - - if (p_2bit) { - x_block_size = BLK_X_2BPP; - } else { - x_block_size = BLK_X_4BPP; - } - - block_width = MAX(2, p_width / x_block_size); - block_height = MAX(2, p_height / BLK_Y_SIZE); - - for (y = 0; y < p_height; y++) { - for (x = 0; x < p_width; x++) { - block_x = (x - x_block_size / 2); - blk_y = (y - BLK_Y_SIZE / 2); - - block_x = LIMIT_COORD(block_x, p_width, p_tiled); - blk_y = LIMIT_COORD(blk_y, p_height, p_tiled); - - block_x /= x_block_size; - blk_y /= BLK_Y_SIZE; - - block_xp1 = LIMIT_COORD(block_x + 1, block_width, p_tiled); - blk_yp1 = LIMIT_COORD(blk_y + 1, block_height, p_tiled); - - p_blocks[0][0] = p_comp_img + twiddle_uv(block_height, block_width, blk_y, block_x); - p_blocks[0][1] = p_comp_img + twiddle_uv(block_height, block_width, blk_y, block_xp1); - p_blocks[1][0] = p_comp_img + twiddle_uv(block_height, block_width, blk_yp1, block_x); - p_blocks[1][1] = p_comp_img + twiddle_uv(block_height, block_width, blk_yp1, block_xp1); - - if (memcmp(prev, p_blocks, 4 * sizeof(void *)) != 0) { - p_y = 0; - for (i = 0; i < 2; i++) { - p_x = 0; - for (j = 0; j < 2; j++) { - unpack_5554(p_blocks[i][j], colors5554[i][j].Reps); - - unpack_modulations( - p_blocks[i][j], - p_2bit, - p_modulation, - p_modulation_modes, - p_x, p_y); - - p_x += x_block_size; - } - - p_y += BLK_Y_SIZE; - } - - memcpy(prev, p_blocks, 4 * sizeof(void *)); - } - - interpolate_colors( - colors5554[0][0].Reps[0], - colors5554[0][1].Reps[0], - colors5554[1][0].Reps[0], - colors5554[1][1].Reps[0], - p_2bit, x, y, - ASig); - - interpolate_colors( - colors5554[0][0].Reps[1], - colors5554[0][1].Reps[1], - colors5554[1][0].Reps[1], - colors5554[1][1].Reps[1], - p_2bit, x, y, - BSig); - - get_modulation_value(x, y, p_2bit, (const int(*)[16])p_modulation, (const int(*)[16])p_modulation_modes, - &Mod, &DoPT); - - for (i = 0; i < 4; i++) { - r_result[i] = ASig[i] * 8 + Mod * (BSig[i] - ASig[i]); - r_result[i] >>= 3; - } - - if (DoPT) { - r_result[3] = 0; - } - - u_pos = (x + y * p_width) << 2; - p_dst[u_pos + 0] = (uint8_t)r_result[0]; - p_dst[u_pos + 1] = (uint8_t)r_result[1]; - p_dst[u_pos + 2] = (uint8_t)r_result[2]; - p_dst[u_pos + 3] = (uint8_t)r_result[3]; - } - } -} - -static void _pvrtc_decompress(Image *p_img) { - ERR_FAIL_COND(p_img->get_format() != Image::FORMAT_PVRTC1_2 && p_img->get_format() != Image::FORMAT_PVRTC1_2A && p_img->get_format() != Image::FORMAT_PVRTC1_4 && p_img->get_format() != Image::FORMAT_PVRTC1_4A); - - bool _2bit = (p_img->get_format() == Image::FORMAT_PVRTC1_2 || p_img->get_format() == Image::FORMAT_PVRTC1_2A); - - Vector<uint8_t> data = p_img->get_data(); - const uint8_t *r = data.ptr(); - - Vector<uint8_t> newdata; - newdata.resize(p_img->get_width() * p_img->get_height() * 4); - uint8_t *w = newdata.ptrw(); - - decompress_pvrtc((PVRTCBlock *)r, _2bit, p_img->get_width(), p_img->get_height(), 0, (unsigned char *)w); - - bool make_mipmaps = p_img->has_mipmaps(); - p_img->create(p_img->get_width(), p_img->get_height(), false, Image::FORMAT_RGBA8, newdata); - if (make_mipmaps) { - p_img->generate_mipmaps(); - } -} diff --git a/modules/pvr/texture_loader_pvr.h b/modules/pvr/texture_loader_pvr.h deleted file mode 100644 index 26071ce30f..0000000000 --- a/modules/pvr/texture_loader_pvr.h +++ /dev/null @@ -1,48 +0,0 @@ -/*************************************************************************/ -/* texture_loader_pvr.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#ifndef TEXTURE_LOADER_PVR_H -#define TEXTURE_LOADER_PVR_H - -#include "core/io/resource_loader.h" -#include "scene/resources/texture.h" - -class ResourceFormatPVR : public ResourceFormatLoader { -public: - virtual RES load(const String &p_path, const String &p_original_path, Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE); - virtual void get_recognized_extensions(List<String> *p_extensions) const; - virtual bool handles_type(const String &p_type) const; - virtual String get_resource_type(const String &p_path) const; - - ResourceFormatPVR(); - virtual ~ResourceFormatPVR() {} -}; - -#endif // TEXTURE_LOADER_PVR_H |