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-rw-r--r--modules/cvtt/SCsub21
-rw-r--r--modules/cvtt/config.py5
-rw-r--r--modules/cvtt/image_compress_cvtt.cpp394
-rw-r--r--modules/cvtt/image_compress_cvtt.h39
-rw-r--r--modules/cvtt/register_types.cpp45
-rw-r--r--modules/cvtt/register_types.h34
6 files changed, 538 insertions, 0 deletions
diff --git a/modules/cvtt/SCsub b/modules/cvtt/SCsub
new file mode 100644
index 0000000000..5c396482aa
--- /dev/null
+++ b/modules/cvtt/SCsub
@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+Import('env')
+Import('env_modules')
+
+env_cvtt = env_modules.Clone()
+
+# Thirdparty source files
+if env['builtin_squish']:
+ thirdparty_dir = "#thirdparty/cvtt/"
+ thirdparty_sources = [
+ "ConvectionKernels.cpp"
+ ]
+
+ thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+
+ env_cvtt.add_source_files(env.modules_sources, thirdparty_sources)
+ env_cvtt.Append(CPPPATH=[thirdparty_dir])
+
+# Godot source files
+env_cvtt.add_source_files(env.modules_sources, "*.cpp")
diff --git a/modules/cvtt/config.py b/modules/cvtt/config.py
new file mode 100644
index 0000000000..098f1eafa9
--- /dev/null
+++ b/modules/cvtt/config.py
@@ -0,0 +1,5 @@
+def can_build(env, platform):
+ return env['tools']
+
+def configure(env):
+ pass
diff --git a/modules/cvtt/image_compress_cvtt.cpp b/modules/cvtt/image_compress_cvtt.cpp
new file mode 100644
index 0000000000..3a371c8597
--- /dev/null
+++ b/modules/cvtt/image_compress_cvtt.cpp
@@ -0,0 +1,394 @@
+/*************************************************************************/
+/* image_compress_cvtt.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 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_cvtt.h"
+
+#include "os/os.h"
+#include "os/thread.h"
+#include "print_string.h"
+
+#include <ConvectionKernels.h>
+
+struct CVTTCompressionJobParams {
+ bool is_hdr;
+ bool is_signed;
+ int bytes_per_pixel;
+
+ cvtt::Options options;
+};
+
+struct CVTTCompressionRowTask {
+ const uint8_t *in_mm_bytes;
+ uint8_t *out_mm_bytes;
+ int y_start;
+ int width;
+ int height;
+};
+
+struct CVTTCompressionJobQueue {
+ CVTTCompressionJobParams job_params;
+ const CVTTCompressionRowTask *job_tasks;
+ uint32_t num_tasks;
+ uint32_t current_task;
+};
+
+static void _digest_row_task(const CVTTCompressionJobParams &p_job_params, const CVTTCompressionRowTask &p_row_task) {
+ const uint8_t *in_bytes = p_row_task.in_mm_bytes;
+ uint8_t *out_bytes = p_row_task.out_mm_bytes;
+ int w = p_row_task.width;
+ int h = p_row_task.height;
+
+ int y_start = p_row_task.y_start;
+ int y_end = y_start + 4;
+
+ int bytes_per_pixel = p_job_params.bytes_per_pixel;
+ bool is_hdr = p_job_params.is_hdr;
+ bool is_signed = p_job_params.is_signed;
+
+ cvtt::PixelBlockU8 input_blocks_ldr[cvtt::NumParallelBlocks];
+ cvtt::PixelBlockF16 input_blocks_hdr[cvtt::NumParallelBlocks];
+
+ for (int x_start = 0; x_start < w; x_start += 4 * cvtt::NumParallelBlocks) {
+ int x_end = x_start + 4 * cvtt::NumParallelBlocks;
+
+ for (int y = y_start; y < y_end; y++) {
+ int first_input_element = (y - y_start) * 4;
+ const uint8_t *row_start;
+ if (y >= h) {
+ row_start = in_bytes + (h - 1) * (w * bytes_per_pixel);
+ } else {
+ row_start = in_bytes + y * (w * bytes_per_pixel);
+ }
+
+ for (int x = x_start; x < x_end; x++) {
+ const uint8_t *pixel_start;
+ if (x >= w) {
+ pixel_start = row_start + (w - 1) * bytes_per_pixel;
+ } else {
+ pixel_start = row_start + x * bytes_per_pixel;
+ }
+
+ int block_index = (x - x_start) / 4;
+ int block_element = (x - x_start) % 4 + first_input_element;
+ if (is_hdr) {
+ memcpy(input_blocks_hdr[block_index].m_pixels[block_element], pixel_start, bytes_per_pixel);
+ input_blocks_hdr[block_index].m_pixels[block_element][3] = 0x3c00; // 1.0 (unused)
+ } else {
+ memcpy(input_blocks_ldr[block_index].m_pixels[block_element], pixel_start, bytes_per_pixel);
+ }
+ }
+ }
+
+ uint8_t output_blocks[16 * cvtt::NumParallelBlocks];
+
+ if (is_hdr) {
+ if (is_signed) {
+ cvtt::Kernels::EncodeBC6HS(output_blocks, input_blocks_hdr, p_job_params.options);
+ } else {
+ cvtt::Kernels::EncodeBC6HU(output_blocks, input_blocks_hdr, p_job_params.options);
+ }
+ } else {
+ cvtt::Kernels::EncodeBC7(output_blocks, input_blocks_ldr, p_job_params.options);
+ }
+
+ int num_real_blocks = ((w - x_start) + 3) / 4;
+ if (num_real_blocks > cvtt::NumParallelBlocks) {
+ num_real_blocks = cvtt::NumParallelBlocks;
+ }
+
+ memcpy(out_bytes, output_blocks, 16 * num_real_blocks);
+ out_bytes += 16 * num_real_blocks;
+ }
+}
+
+static void _digest_job_queue(void *p_job_queue) {
+ CVTTCompressionJobQueue *job_queue = static_cast<CVTTCompressionJobQueue *>(p_job_queue);
+
+ for (int next_task = atomic_increment(&job_queue->current_task); next_task <= job_queue->num_tasks; next_task = atomic_increment(&job_queue->current_task)) {
+ _digest_row_task(job_queue->job_params, job_queue->job_tasks[next_task - 1]);
+ }
+}
+
+void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::CompressSource p_source) {
+
+ if (p_image->get_format() >= Image::FORMAT_BPTC_RGBA)
+ return; //do not compress, already compressed
+
+ int w = p_image->get_width();
+ int h = p_image->get_height();
+
+ bool is_ldr = (p_image->get_format() <= Image::FORMAT_RGBA8);
+ bool is_hdr = (p_image->get_format() == Image::FORMAT_RGBH);
+
+ if (!is_ldr && !is_hdr) {
+ return; // Not a usable source format
+ }
+
+ cvtt::Options options;
+ uint32_t flags = cvtt::Flags::Fastest;
+
+ if (p_lossy_quality > 0.85)
+ flags = cvtt::Flags::Ultra;
+ else if (p_lossy_quality > 0.75)
+ flags = cvtt::Flags::Better;
+ else if (p_lossy_quality > 0.55)
+ flags = cvtt::Flags::Default;
+ else if (p_lossy_quality > 0.35)
+ flags = cvtt::Flags::Fast;
+ else if (p_lossy_quality > 0.15)
+ flags = cvtt::Flags::Faster;
+
+ flags |= cvtt::Flags::BC7_RespectPunchThrough;
+
+ if (p_source == Image::COMPRESS_SOURCE_NORMAL) {
+ flags |= cvtt::Flags::Uniform;
+ }
+
+ Image::Format target_format = Image::FORMAT_BPTC_RGBA;
+
+ bool is_signed = false;
+ if (is_hdr) {
+ PoolVector<uint8_t>::Read rb = p_image->get_data().read();
+
+ const uint16_t *source_data = reinterpret_cast<const uint16_t *>(&rb[0]);
+ int pixel_element_count = w * h * 3;
+ for (int i = 0; i < pixel_element_count; i++) {
+ if ((source_data[i] & 0x8000) != 0 && (source_data[i] & 0x7fff) != 0) {
+ is_signed = true;
+ break;
+ }
+ }
+
+ target_format = is_signed ? Image::FORMAT_BPTC_RGBF : Image::FORMAT_BPTC_RGBFU;
+ } else {
+ p_image->convert(Image::FORMAT_RGBA8); //still uses RGBA to convert
+ }
+
+ PoolVector<uint8_t>::Read rb = p_image->get_data().read();
+
+ PoolVector<uint8_t> data;
+ int target_size = Image::get_image_data_size(w, h, target_format, p_image->has_mipmaps());
+ int mm_count = p_image->has_mipmaps() ? Image::get_image_required_mipmaps(w, h, target_format) : 0;
+ data.resize(target_size);
+ int shift = Image::get_format_pixel_rshift(target_format);
+
+ PoolVector<uint8_t>::Write wb = data.write();
+
+ int dst_ofs = 0;
+
+ CVTTCompressionJobQueue job_queue;
+ job_queue.job_params.is_hdr = is_hdr;
+ job_queue.job_params.is_signed = is_signed;
+ job_queue.job_params.options = options;
+ job_queue.job_params.bytes_per_pixel = is_hdr ? 6 : 4;
+
+#ifdef NO_THREADS
+ int num_job_threads = 0;
+#else
+ int num_job_threads = OS::get_singleton()->can_use_threads() ? (OS::get_singleton()->get_processor_count() - 1) : 0;
+#endif
+
+ PoolVector<CVTTCompressionRowTask> tasks;
+
+ for (int i = 0; i <= mm_count; i++) {
+
+ int bw = w % 4 != 0 ? w + (4 - w % 4) : w;
+ int bh = h % 4 != 0 ? h + (4 - h % 4) : h;
+
+ int src_ofs = p_image->get_mipmap_offset(i);
+
+ const uint8_t *in_bytes = &rb[src_ofs];
+ uint8_t *out_bytes = &wb[dst_ofs];
+
+ for (int y_start = 0; y_start < h; y_start += 4) {
+ int y_end = y_start + 4;
+
+ CVTTCompressionRowTask row_task;
+ row_task.width = w;
+ row_task.height = h;
+ row_task.y_start = y_start;
+ row_task.in_mm_bytes = in_bytes;
+ row_task.out_mm_bytes = out_bytes;
+
+ if (num_job_threads > 0) {
+ tasks.push_back(row_task);
+ } else {
+ _digest_row_task(job_queue.job_params, row_task);
+ }
+
+ out_bytes += 16 * (bw / 4);
+ }
+
+ dst_ofs += (MAX(4, bw) * MAX(4, bh)) >> shift;
+ w >>= 1;
+ h >>= 1;
+ }
+
+ if (num_job_threads > 0) {
+ PoolVector<Thread *> threads;
+ threads.resize(num_job_threads);
+
+ PoolVector<Thread *>::Write threads_wb = threads.write();
+
+ PoolVector<CVTTCompressionRowTask>::Read tasks_rb = tasks.read();
+
+ job_queue.job_tasks = &tasks_rb[0];
+ job_queue.current_task = 0;
+ job_queue.num_tasks = static_cast<uint32_t>(tasks.size());
+
+ for (int i = 0; i < num_job_threads; i++) {
+ threads_wb[i] = Thread::create(_digest_job_queue, &job_queue);
+ }
+ _digest_job_queue(&job_queue);
+
+ for (int i = 0; i < num_job_threads; i++) {
+ Thread::wait_to_finish(threads_wb[i]);
+ memdelete(threads_wb[i]);
+ }
+ }
+
+ p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);
+}
+
+void image_decompress_cvtt(Image *p_image) {
+
+ Image::Format target_format;
+ bool is_signed = false;
+ bool is_hdr = false;
+
+ Image::Format input_format = p_image->get_format();
+
+ switch (input_format) {
+ case Image::FORMAT_BPTC_RGBA:
+ target_format = Image::FORMAT_RGBA8;
+ break;
+ case Image::FORMAT_BPTC_RGBF:
+ case Image::FORMAT_BPTC_RGBFU:
+ target_format = Image::FORMAT_RGBH;
+ is_signed = (input_format == Image::FORMAT_BPTC_RGBF);
+ is_hdr = true;
+ break;
+ default:
+ return; // Invalid input format
+ };
+
+ int w = p_image->get_width();
+ int h = p_image->get_height();
+
+ PoolVector<uint8_t>::Read rb = p_image->get_data().read();
+
+ PoolVector<uint8_t> data;
+ int target_size = Image::get_image_data_size(w, h, target_format, p_image->has_mipmaps());
+ int mm_count = p_image->get_mipmap_count();
+ data.resize(target_size);
+ int shift = Image::get_format_pixel_rshift(target_format);
+
+ PoolVector<uint8_t>::Write wb = data.write();
+
+ int bytes_per_pixel = is_hdr ? 6 : 4;
+
+ int dst_ofs = 0;
+
+ for (int i = 0; i <= mm_count; i++) {
+
+ int src_ofs = p_image->get_mipmap_offset(i);
+
+ const uint8_t *in_bytes = &rb[src_ofs];
+ uint8_t *out_bytes = &wb[dst_ofs];
+
+ cvtt::PixelBlockU8 output_blocks_ldr[cvtt::NumParallelBlocks];
+ cvtt::PixelBlockF16 output_blocks_hdr[cvtt::NumParallelBlocks];
+
+ for (int y_start = 0; y_start < h; y_start += 4) {
+ int y_end = y_start + 4;
+
+ for (int x_start = 0; x_start < w; x_start += 4 * cvtt::NumParallelBlocks) {
+ int x_end = x_start + 4 * cvtt::NumParallelBlocks;
+
+ uint8_t input_blocks[16 * cvtt::NumParallelBlocks];
+ memset(input_blocks, 0, sizeof(input_blocks));
+
+ int num_real_blocks = ((w - x_start) + 3) / 4;
+ if (num_real_blocks > cvtt::NumParallelBlocks) {
+ num_real_blocks = cvtt::NumParallelBlocks;
+ }
+
+ memcpy(input_blocks, in_bytes, 16 * num_real_blocks);
+ in_bytes += 16 * num_real_blocks;
+
+ if (is_hdr) {
+ if (is_signed) {
+ cvtt::Kernels::DecodeBC6HS(output_blocks_hdr, input_blocks);
+ } else {
+ cvtt::Kernels::DecodeBC6HU(output_blocks_hdr, input_blocks);
+ }
+ } else {
+ cvtt::Kernels::DecodeBC7(output_blocks_ldr, input_blocks);
+ }
+
+ for (int y = y_start; y < y_end; y++) {
+ int first_input_element = (y - y_start) * 4;
+ uint8_t *row_start;
+ if (y >= h) {
+ row_start = out_bytes + (h - 1) * (w * bytes_per_pixel);
+ } else {
+ row_start = out_bytes + y * (w * bytes_per_pixel);
+ }
+
+ for (int x = x_start; x < x_end; x++) {
+ uint8_t *pixel_start;
+ if (x >= w) {
+ pixel_start = row_start + (w - 1) * bytes_per_pixel;
+ } else {
+ pixel_start = row_start + x * bytes_per_pixel;
+ }
+
+ int block_index = (x - x_start) / 4;
+ int block_element = (x - x_start) % 4 + first_input_element;
+ if (is_hdr) {
+ memcpy(pixel_start, output_blocks_hdr[block_index].m_pixels[block_element], bytes_per_pixel);
+ } else {
+ memcpy(pixel_start, output_blocks_ldr[block_index].m_pixels[block_element], bytes_per_pixel);
+ }
+ }
+ }
+ }
+ }
+
+ dst_ofs += w * h * bytes_per_pixel;
+ w >>= 1;
+ h >>= 1;
+ }
+
+ rb = PoolVector<uint8_t>::Read();
+ wb = PoolVector<uint8_t>::Write();
+
+ p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);
+}
diff --git a/modules/cvtt/image_compress_cvtt.h b/modules/cvtt/image_compress_cvtt.h
new file mode 100644
index 0000000000..0e18b247e5
--- /dev/null
+++ b/modules/cvtt/image_compress_cvtt.h
@@ -0,0 +1,39 @@
+/*************************************************************************/
+/* image_compress_cvtt.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 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_CVTT_H
+#define IMAGE_COMPRESS_CVTT_H
+
+#include "image.h"
+
+void image_compress_cvtt(Image *p_image, float p_lossy_quality, Image::CompressSource p_source);
+void image_decompress_cvtt(Image *p_image);
+
+#endif // IMAGE_COMPRESS_CVTT_H
diff --git a/modules/cvtt/register_types.cpp b/modules/cvtt/register_types.cpp
new file mode 100644
index 0000000000..c96fbbf340
--- /dev/null
+++ b/modules/cvtt/register_types.cpp
@@ -0,0 +1,45 @@
+/*************************************************************************/
+/* register_types.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 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"
+
+#ifdef TOOLS_ENABLED
+
+#include "image_compress_cvtt.h"
+
+void register_cvtt_types() {
+
+ Image::set_compress_bptc_func(image_compress_cvtt);
+ Image::_image_decompress_bptc = image_decompress_cvtt;
+}
+
+void unregister_cvtt_types() {}
+
+#endif
diff --git a/modules/cvtt/register_types.h b/modules/cvtt/register_types.h
new file mode 100644
index 0000000000..73de9728d3
--- /dev/null
+++ b/modules/cvtt/register_types.h
@@ -0,0 +1,34 @@
+/*************************************************************************/
+/* register_types.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 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. */
+/*************************************************************************/
+
+#ifdef TOOLS_ENABLED
+void register_cvtt_types();
+void unregister_cvtt_types();
+#endif
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