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111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
/**************************************************************************/
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/* image_compress_betsy.h */
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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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#ifndef IMAGE_COMPRESS_BETSY_H
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#define IMAGE_COMPRESS_BETSY_H
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#include "core/io/image.h"
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#include "core/object/worker_thread_pool.h"
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#include "core/os/thread.h"
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#include "core/templates/command_queue_mt.h"
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#include "servers/rendering/rendering_device_binds.h"
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#include "servers/rendering/rendering_server_default.h"
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#if defined(VULKAN_ENABLED)
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#include "drivers/vulkan/rendering_context_driver_vulkan.h"
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#endif
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#if defined(METAL_ENABLED)
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#include "drivers/metal/rendering_context_driver_metal.h"
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#endif
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enum BetsyFormat {
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BETSY_FORMAT_BC1,
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BETSY_FORMAT_BC1_DITHER,
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BETSY_FORMAT_BC3,
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BETSY_FORMAT_BC6_SIGNED,
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BETSY_FORMAT_BC6_UNSIGNED,
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};
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struct BC6PushConstant {
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float sizeX;
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float sizeY;
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uint32_t padding[2];
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};
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struct BC1PushConstant {
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uint32_t num_refines;
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uint32_t padding[3];
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};
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void free_device();
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Error _betsy_compress_bptc(Image *r_img, Image::UsedChannels p_channels);
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Error _betsy_compress_s3tc(Image *r_img, Image::UsedChannels p_channels);
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class BetsyCompressor : public Object {
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mutable CommandQueueMT command_queue;
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bool exit = false;
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WorkerThreadPool::TaskID task_id = WorkerThreadPool::INVALID_TASK_ID;
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struct BetsyShader {
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RID compiled;
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RID pipeline;
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};
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// Resources shared by all compression formats.
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RenderingDevice *compress_rd = nullptr;
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RenderingContextDriver *compress_rcd = nullptr;
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HashMap<String, BetsyShader> cached_shaders;
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RID src_sampler = RID();
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// Format-specific resources.
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RID dxt1_encoding_table_buffer = RID();
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void _init();
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void _assign_mt_ids(WorkerThreadPool::TaskID p_pump_task_id);
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void _thread_loop();
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void _thread_exit();
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Error _compress(BetsyFormat p_format, Image *r_img);
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public:
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void init();
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void finish();
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Error compress(BetsyFormat p_format, Image *r_img) {
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Error err;
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command_queue.push_and_ret(this, &BetsyCompressor::_compress, p_format, r_img, &err);
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return err;
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}
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};
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#endif // IMAGE_COMPRESS_BETSY_H
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