diff options
Diffstat (limited to 'servers/rendering/renderer_rd/effects/fsr.cpp')
| -rw-r--r-- | servers/rendering/renderer_rd/effects/fsr.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/effects/fsr.cpp b/servers/rendering/renderer_rd/effects/fsr.cpp new file mode 100644 index 0000000000..5fde24a926 --- /dev/null +++ b/servers/rendering/renderer_rd/effects/fsr.cpp @@ -0,0 +1,127 @@ +/*************************************************************************/ +/* fsr.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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 "fsr.h" +#include "servers/rendering/renderer_rd/uniform_set_cache_rd.h" + +using namespace RendererRD; + +FSR::FSR() { + Vector<String> FSR_upscale_modes; + +#if defined(MACOS_ENABLED) || defined(IOS_ENABLED) + // MoltenVK does not support some of the operations used by the normal mode of FSR. Fallback works just fine though. + FSR_upscale_modes.push_back("\n#define MODE_FSR_UPSCALE_FALLBACK\n"); +#else + // Everyone else can use normal mode when available. + if (RD::get_singleton()->has_feature(RD::SUPPORTS_FSR_HALF_FLOAT)) { + FSR_upscale_modes.push_back("\n#define MODE_FSR_UPSCALE_NORMAL\n"); + } else { + FSR_upscale_modes.push_back("\n#define MODE_FSR_UPSCALE_FALLBACK\n"); + } +#endif + + fsr_shader.initialize(FSR_upscale_modes); + + shader_version = fsr_shader.version_create(); + pipeline = RD::get_singleton()->compute_pipeline_create(fsr_shader.version_get_shader(shader_version, 0)); +} + +FSR::~FSR() { + fsr_shader.version_free(shader_version); +} + +void FSR::fsr_upscale(Ref<RenderSceneBuffersRD> p_render_buffers, RID p_source_rd_texture, RID p_destination_texture) { + UniformSetCacheRD *uniform_set_cache = UniformSetCacheRD::get_singleton(); + ERR_FAIL_NULL(uniform_set_cache); + MaterialStorage *material_storage = MaterialStorage::get_singleton(); + ERR_FAIL_NULL(material_storage); + + Size2i internal_size = p_render_buffers->get_internal_size(); + Size2i target_size = p_render_buffers->get_target_size(); + float fsr_upscale_sharpness = p_render_buffers->get_fsr_sharpness(); + + if (!p_render_buffers->has_texture(SNAME("FSR"), SNAME("upscale_texture"))) { + RD::DataFormat format = p_render_buffers->get_base_data_format(); + uint32_t usage_bits = RD::TEXTURE_USAGE_SAMPLING_BIT | RD::TEXTURE_USAGE_STORAGE_BIT | RD::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + uint32_t layers = 1; // we only need one layer, in multiview we're processing one layer at a time. + + p_render_buffers->create_texture(SNAME("FSR"), SNAME("upscale_texture"), format, usage_bits, RD::TEXTURE_SAMPLES_1, target_size, layers); + } + + RID upscale_texture = p_render_buffers->get_texture(SNAME("FSR"), SNAME("upscale_texture")); + + FSRUpscalePushConstant push_constant; + memset(&push_constant, 0, sizeof(FSRUpscalePushConstant)); + + int dispatch_x = (target_size.x + 15) / 16; + int dispatch_y = (target_size.y + 15) / 16; + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, pipeline); + + push_constant.resolution_width = internal_size.width; + push_constant.resolution_height = internal_size.height; + push_constant.upscaled_width = target_size.width; + push_constant.upscaled_height = target_size.height; + push_constant.sharpness = fsr_upscale_sharpness; + + RID shader = fsr_shader.version_get_shader(shader_version, 0); + ERR_FAIL_COND(shader.is_null()); + + RID default_sampler = material_storage->sampler_rd_get_default(RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR, RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + + //FSR Easc + RD::Uniform u_source_rd_texture(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, { default_sampler, p_source_rd_texture }); + RD::Uniform u_upscale_texture(RD::UNIFORM_TYPE_IMAGE, 0, { upscale_texture }); + + push_constant.pass = FSR_UPSCALE_PASS_EASU; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_source_rd_texture), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_upscale_texture), 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(FSRUpscalePushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, dispatch_x, dispatch_y, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + + //FSR Rcas + RD::Uniform u_upscale_texture_with_sampler(RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE, 0, { default_sampler, upscale_texture }); + RD::Uniform u_destination_texture(RD::UNIFORM_TYPE_IMAGE, 0, { p_destination_texture }); + + push_constant.pass = FSR_UPSCALE_PASS_RCAS; + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 0, u_upscale_texture_with_sampler), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, uniform_set_cache->get_cache(shader, 1, u_destination_texture), 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(FSRUpscalePushConstant)); + + RD::get_singleton()->compute_list_dispatch(compute_list, dispatch_x, dispatch_y, 1); + + RD::get_singleton()->compute_list_end(compute_list); +} |