77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
// AUTOGENERATED COPYRIGHT HEADER START
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// Copyright (C) 2021-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
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// Copyright (C) 2022 lainon <GermanAizek@yandex.ru>
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// AUTOGENERATED COPYRIGHT HEADER END
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#include "gfx-lut-producer.hpp"
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#include "obs/gs/gs-helper.hpp"
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gs_color_format format_from_depth(streamfx::gfx::lut::color_depth depth)
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{
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switch (depth) {
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case streamfx::gfx::lut::color_depth::_2:
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case streamfx::gfx::lut::color_depth::_4:
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case streamfx::gfx::lut::color_depth::_6:
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case streamfx::gfx::lut::color_depth::_8:
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return gs_color_format::GS_RGBA;
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case streamfx::gfx::lut::color_depth::_10:
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return gs_color_format::GS_R10G10B10A2;
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case streamfx::gfx::lut::color_depth::_12:
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case streamfx::gfx::lut::color_depth::_14:
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case streamfx::gfx::lut::color_depth::_16:
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return gs_color_format::GS_RGBA16;
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default:
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return GS_RGBA32F;
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}
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}
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streamfx::gfx::lut::producer::producer() : _gfx_util(::streamfx::gfx::util::get())
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{
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_data = streamfx::gfx::lut::data::instance();
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if (!_data->producer_effect())
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throw std::runtime_error("Unable to get LUT producer effect.");
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}
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streamfx::gfx::lut::producer::~producer() = default;
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std::shared_ptr<streamfx::obs::gs::texture> streamfx::gfx::lut::producer::produce(streamfx::gfx::lut::color_depth depth)
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{
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auto gctx = streamfx::obs::gs::context();
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if (!_rt || (_rt->get_color_format() != format_from_depth((depth)))) {
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_rt = std::make_shared<streamfx::obs::gs::rendertarget>(format_from_depth(depth), GS_ZS_NONE);
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}
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auto effect = _data->producer_effect();
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int32_t idepth = static_cast<int32_t>(depth);
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int32_t size = static_cast<int32_t>(pow(2l, idepth));
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int32_t grid_size = static_cast<int32_t>(pow(2l, (idepth / 2)));
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int32_t container_size = static_cast<int32_t>(pow(2l, (idepth + (idepth / 2))));
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{
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auto op = _rt->render(static_cast<uint32_t>(container_size), static_cast<uint32_t>(container_size));
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gs_blend_state_push();
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gs_enable_color(true, true, true, false);
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gs_enable_blending(false);
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gs_enable_stencil_test(false);
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gs_enable_stencil_write(false);
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gs_ortho(0, 1, 0, 1, 0, 1);
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if (streamfx::obs::gs::effect_parameter efp = effect->get_parameter("lut_params_0"); efp) {
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efp.set_int4(size, grid_size, container_size, 0l);
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}
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while (gs_effect_loop(effect->get_object(), "Draw")) {
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_gfx_util->draw_fullscreen_triangle();
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}
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gs_enable_color(true, true, true, true);
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gs_blend_state_pop();
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}
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return _rt->get_texture();
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}
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