638 lines
20 KiB
C++
638 lines
20 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2017 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "filter-blur.h"
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#include "strings.h"
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#include "util-math.h"
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#include <math.h>
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#include <map>
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extern "C" {
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#pragma warning (push)
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#pragma warning (disable: 4201)
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#include "util/platform.h"
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#include "graphics/graphics.h"
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#include "graphics/matrix4.h"
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#pragma warning (pop)
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}
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// Initializer & Finalizer
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static Filter::Blur* filterBlurInstance;
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INITIALIZER(FilterBlurInit) {
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initializerFunctions.push_back([] {
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filterBlurInstance = new Filter::Blur();
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});
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finalizerFunctions.push_back([] {
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delete filterBlurInstance;
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});
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}
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enum ColorFormat : uint64_t {
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RGB,
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YUV, // 701
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};
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// Global Data
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const size_t MaxKernelSize = 25;
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std::map<std::string, std::shared_ptr<gs::effect>> g_effects;
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std::vector<std::shared_ptr<gs::texture>> g_gaussianKernels;
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double_t bilateral(double_t x, double_t o) {
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return 0.39894 * exp(-0.5 * (x * x) / (o * o)) / o;
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}
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static void GenerateGaussianKernelTextures() {
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size_t textureBufferSize = GetNearestPowerOfTwoAbove(MaxKernelSize);
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g_gaussianKernels.resize(MaxKernelSize);
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std::vector<double_t> mathBuffer(MaxKernelSize + 1);
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std::vector<float_t> textureBuffer(textureBufferSize);
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for (size_t n = 0; n < MaxKernelSize; n++) {
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size_t width = 2 + n;
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// Generate Gaussian Gradient and calculate sum.
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double_t sum = 0;
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for (size_t p = 0; p < width; p++) {
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mathBuffer[p] = Gaussian1D(double_t(p), double_t(n + 1));
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sum += mathBuffer[p] * (p > 0 ? 2 : 1);
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}
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// Normalize
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double_t inverseSum = 1.0 / sum;
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for (size_t p = 0; p < width; p++) {
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textureBuffer[p] = float_t(mathBuffer[p] * inverseSum);
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}
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// Create Texture
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uint8_t* data = reinterpret_cast<uint8_t*>(textureBuffer.data());
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const uint8_t** pdata = const_cast<const uint8_t**>(&data);
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try {
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std::shared_ptr<gs::texture> tex = std::make_shared<gs::texture>((uint32_t)textureBufferSize, 1,
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gs_color_format::GS_R32F, 1, pdata, 0);
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g_gaussianKernels[n] = tex;
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} catch (std::runtime_error ex) {
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P_LOG_ERROR("<filter-blur> Failed to create gaussian kernel for %d width.", n);
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}
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}
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}
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Filter::Blur::Blur() {
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memset(&m_sourceInfo, 0, sizeof(obs_source_info));
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m_sourceInfo.id = "obs-stream-effects-filter-blur";
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m_sourceInfo.type = OBS_SOURCE_TYPE_FILTER;
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m_sourceInfo.output_flags = OBS_SOURCE_VIDEO;
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m_sourceInfo.get_name = get_name;
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m_sourceInfo.get_defaults = get_defaults;
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m_sourceInfo.get_properties = get_properties;
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m_sourceInfo.create = create;
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m_sourceInfo.destroy = destroy;
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m_sourceInfo.update = update;
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m_sourceInfo.activate = activate;
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m_sourceInfo.deactivate = deactivate;
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m_sourceInfo.video_tick = video_tick;
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m_sourceInfo.video_render = video_render;
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// Load effects once.
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obs_enter_graphics();
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std::pair<std::string, std::string> effects[] = {
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{ "Box Blur", obs_module_file("effects/box-blur.effect") },
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{ "Gaussian Blur", obs_module_file("effects/gaussian-blur.effect") },
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{ "Bilateral Blur", obs_module_file("effects/bilateral-blur.effect") },
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{ "Color Conversion", obs_module_file("effects/color-conversion.effect") },
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};
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for (auto& kv : effects) {
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try {
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std::shared_ptr<gs::effect> effect = std::make_shared<gs::effect>(kv.second);
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g_effects.insert(std::make_pair(kv.first, effect));
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} catch (std::runtime_error ex) {
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P_LOG_ERROR("<filter-blur> Loading effect '%s' (path: '%s') failed with error(s): %s",
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kv.first.c_str(), kv.second.c_str(), ex.what());
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return;
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}
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}
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GenerateGaussianKernelTextures();
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obs_leave_graphics();
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obs_register_source(&m_sourceInfo);
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}
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Filter::Blur::~Blur() {
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g_effects.clear();
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g_gaussianKernels.clear();
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}
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const char * Filter::Blur::get_name(void *) {
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return P_TRANSLATE(S_FILTER_BLUR);
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}
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void Filter::Blur::get_defaults(obs_data_t *data) {
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obs_data_set_default_int(data, S_FILTER_BLUR_TYPE, Filter::Blur::Type::Box);
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obs_data_set_default_int(data, S_FILTER_BLUR_SIZE, 5);
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// Bilateral Only
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obs_data_set_default_double(data, S_FILTER_BLUR_BILATERAL_SMOOTHING, 50.0);
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obs_data_set_default_double(data, S_FILTER_BLUR_BILATERAL_SHARPNESS, 90.0);
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// Advanced
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obs_data_set_default_bool(data, S_ADVANCED, false);
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obs_data_set_default_int(data, S_FILTER_BLUR_COLORFORMAT, ColorFormat::RGB);
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}
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obs_properties_t * Filter::Blur::get_properties(void *) {
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obs_properties_t *pr = obs_properties_create();
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obs_property_t* p = NULL;
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p = obs_properties_add_list(pr, S_FILTER_BLUR_TYPE, P_TRANSLATE(S_FILTER_BLUR_TYPE),
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obs_combo_type::OBS_COMBO_TYPE_LIST, obs_combo_format::OBS_COMBO_FORMAT_INT);
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obs_property_set_long_description(p, P_TRANSLATE(P_DESC(S_FILTER_BLUR_TYPE)));
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obs_property_set_modified_callback(p, modified_properties);
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obs_property_list_add_int(p, P_TRANSLATE(S_FILTER_BLUR_TYPE_BOX),
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Filter::Blur::Type::Box);
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obs_property_list_add_int(p, P_TRANSLATE(S_FILTER_BLUR_TYPE_GAUSSIAN),
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Filter::Blur::Type::Gaussian);
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obs_property_list_add_int(p, P_TRANSLATE(S_FILTER_BLUR_TYPE_BILATERAL),
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Filter::Blur::Type::Bilateral);
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p = obs_properties_add_int_slider(pr, S_FILTER_BLUR_SIZE,
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P_TRANSLATE(S_FILTER_BLUR_SIZE), 1, 25, 1);
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obs_property_set_long_description(p, P_TRANSLATE(P_DESC(S_FILTER_BLUR_SIZE)));
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//obs_property_set_modified_callback(p, modified_properties);
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// Bilateral Only
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p = obs_properties_add_float_slider(pr, S_FILTER_BLUR_BILATERAL_SMOOTHING,
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P_TRANSLATE(S_FILTER_BLUR_BILATERAL_SMOOTHING), 0.01, 100.0, 0.01);
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obs_property_set_long_description(p, P_TRANSLATE(P_DESC(S_FILTER_BLUR_BILATERAL_SMOOTHING)));
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p = obs_properties_add_float_slider(pr, S_FILTER_BLUR_BILATERAL_SHARPNESS,
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P_TRANSLATE(S_FILTER_BLUR_BILATERAL_SHARPNESS), 0, 99.99, 0.01);
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obs_property_set_long_description(p, P_TRANSLATE(P_DESC(S_FILTER_BLUR_BILATERAL_SHARPNESS)));
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// Advanced
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p = obs_properties_add_bool(pr, S_ADVANCED, P_TRANSLATE(S_ADVANCED));
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obs_property_set_long_description(p, P_TRANSLATE(P_DESC(S_ADVANCED)));
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obs_property_set_modified_callback(p, modified_properties);
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p = obs_properties_add_list(pr, S_FILTER_BLUR_COLORFORMAT,
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P_TRANSLATE(S_FILTER_BLUR_COLORFORMAT),
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obs_combo_type::OBS_COMBO_TYPE_LIST, obs_combo_format::OBS_COMBO_FORMAT_INT);
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obs_property_set_long_description(p,
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P_TRANSLATE(P_DESC(S_FILTER_BLUR_COLORFORMAT)));
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obs_property_list_add_int(p, "RGB",
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ColorFormat::RGB);
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obs_property_list_add_int(p, "YUV",
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ColorFormat::YUV);
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return pr;
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}
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bool Filter::Blur::modified_properties(obs_properties_t *pr, obs_property_t *, obs_data_t *d) {
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bool showBilateral = false;
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switch (obs_data_get_int(d, S_FILTER_BLUR_TYPE)) {
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case Filter::Blur::Type::Box:
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break;
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case Filter::Blur::Type::Gaussian:
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break;
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case Filter::Blur::Type::Bilateral:
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showBilateral = true;
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break;
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}
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// Bilateral Blur
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obs_property_set_visible(obs_properties_get(pr, S_FILTER_BLUR_BILATERAL_SMOOTHING),
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showBilateral);
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obs_property_set_visible(obs_properties_get(pr, S_FILTER_BLUR_BILATERAL_SHARPNESS),
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showBilateral);
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// Advanced
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bool showAdvanced = false;
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if (obs_data_get_bool(d, S_ADVANCED))
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showAdvanced = true;
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obs_property_set_visible(obs_properties_get(pr, S_FILTER_BLUR_COLORFORMAT),
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showAdvanced);
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return true;
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}
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void * Filter::Blur::create(obs_data_t *data, obs_source_t *source) {
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return new Instance(data, source);
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}
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void Filter::Blur::destroy(void *ptr) {
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delete reinterpret_cast<Instance*>(ptr);
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}
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uint32_t Filter::Blur::get_width(void *ptr) {
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return reinterpret_cast<Instance*>(ptr)->get_width();
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}
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uint32_t Filter::Blur::get_height(void *ptr) {
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return reinterpret_cast<Instance*>(ptr)->get_height();
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}
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void Filter::Blur::update(void *ptr, obs_data_t *data) {
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reinterpret_cast<Instance*>(ptr)->update(data);
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}
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void Filter::Blur::activate(void *ptr) {
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reinterpret_cast<Instance*>(ptr)->activate();
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}
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void Filter::Blur::deactivate(void *ptr) {
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reinterpret_cast<Instance*>(ptr)->deactivate();
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}
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void Filter::Blur::video_tick(void *ptr, float time) {
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reinterpret_cast<Instance*>(ptr)->video_tick(time);
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}
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void Filter::Blur::video_render(void *ptr, gs_effect_t *effect) {
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reinterpret_cast<Instance*>(ptr)->video_render(effect);
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}
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Filter::Blur::Instance::Instance(obs_data_t *data, obs_source_t *context) : m_source(context) {
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obs_enter_graphics();
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m_effect = g_effects.at("Box Blur");
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m_primaryRT = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
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m_secondaryRT = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
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m_rtHorizontal = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
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m_rtVertical = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
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obs_leave_graphics();
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if (!m_primaryRT)
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P_LOG_ERROR("<filter-blur> Instance '%s' failed to create primary rendertarget.", obs_source_get_name(m_source));
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if (!m_secondaryRT)
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P_LOG_ERROR("<filter-blur> Instance '%s' failed to create secondary rendertarget.", obs_source_get_name(m_source));
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if (!m_rtHorizontal)
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P_LOG_ERROR("<filter-blur> Instance '%s' failed to create horizontal rendertarget.", obs_source_get_name(m_source));
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if (!m_rtVertical)
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P_LOG_ERROR("<filter-blur> Instance '%s' failed to create vertical rendertarget.", obs_source_get_name(m_source));
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update(data);
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}
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Filter::Blur::Instance::~Instance() {
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obs_enter_graphics();
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gs_texrender_destroy(m_primaryRT);
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gs_texrender_destroy(m_secondaryRT);
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gs_texrender_destroy(m_rtHorizontal);
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gs_texrender_destroy(m_rtVertical);
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obs_leave_graphics();
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}
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void Filter::Blur::Instance::update(obs_data_t *data) {
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m_type = (Type)obs_data_get_int(data, S_FILTER_BLUR_TYPE);
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switch (m_type) {
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case Filter::Blur::Type::Box:
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m_effect = g_effects.at("Box Blur");
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break;
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case Filter::Blur::Type::Gaussian:
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m_effect = g_effects.at("Gaussian Blur");
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break;
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case Filter::Blur::Type::Bilateral:
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m_effect = g_effects.at("Bilateral Blur");
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break;
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}
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m_size = (uint64_t)obs_data_get_int(data, S_FILTER_BLUR_SIZE);
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// Bilateral Blur
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m_bilateralSmoothing = obs_data_get_double(data, S_FILTER_BLUR_BILATERAL_SMOOTHING) / 100.0;
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m_bilateralSharpness = obs_data_get_double(data, S_FILTER_BLUR_BILATERAL_SHARPNESS) / 100.0;
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// Advanced
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m_colorFormat = obs_data_get_int(data, S_FILTER_BLUR_COLORFORMAT);
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}
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uint32_t Filter::Blur::Instance::get_width() {
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return 0;
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}
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uint32_t Filter::Blur::Instance::get_height() {
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return 0;
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}
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void Filter::Blur::Instance::activate() {}
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void Filter::Blur::Instance::deactivate() {}
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void Filter::Blur::Instance::video_tick(float) {}
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void Filter::Blur::Instance::video_render(gs_effect_t *effect) {
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bool failed = false;
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vec4 black; vec4_zero(&black);
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obs_source_t
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*parent = obs_filter_get_parent(m_source),
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*target = obs_filter_get_target(m_source);
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uint32_t
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baseW = obs_source_get_base_width(target),
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baseH = obs_source_get_base_height(target);
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gs_effect_t* colorConversionEffect = g_effects.count("Color Conversion") ? g_effects.at("Color Conversion")->get_object() : nullptr;
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// Skip rendering if our target, parent or context is not valid.
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if (!target || !parent || !m_source) {
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obs_source_skip_video_filter(m_source);
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return;
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}
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if ((baseW <= 0) || (baseH <= 0)) {
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if (!m_errorLogged)
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P_LOG_ERROR("<filter-blur> Instance '%s' has invalid size source '%s'.",
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obs_source_get_name(m_source), obs_source_get_name(target));
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m_errorLogged = true;
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obs_source_skip_video_filter(m_source);
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return;
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}
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if (!m_primaryRT || !m_effect) {
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if (!m_errorLogged)
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P_LOG_ERROR("<filter-blur> Instance '%s' is unable to render.",
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obs_source_get_name(m_source), obs_source_get_name(target));
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m_errorLogged = true;
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obs_source_skip_video_filter(m_source);
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return;
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}
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m_errorLogged = false;
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gs_effect_t* defaultEffect = obs_get_base_effect(obs_base_effect::OBS_EFFECT_DEFAULT);
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gs_texture_t *sourceTexture = nullptr;
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#pragma region Source To Texture
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gs_texrender_reset(m_primaryRT);
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if (!gs_texrender_begin(m_primaryRT, baseW, baseH)) {
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P_LOG_ERROR("<filter-blur> Failed to set up base texture.");
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obs_source_skip_video_filter(m_source);
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return;
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} else {
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gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
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// Clear to Black
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gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
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// Render
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if (obs_source_process_filter_begin(m_source, GS_RGBA, OBS_NO_DIRECT_RENDERING)) {
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obs_source_process_filter_end(m_source, effect ? effect : defaultEffect, baseW, baseH);
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} else {
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P_LOG_ERROR("<filter-blur> Unable to render source.");
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failed = true;
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}
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gs_texrender_end(m_primaryRT);
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}
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if (failed) {
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obs_source_skip_video_filter(m_source);
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return;
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}
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sourceTexture = gs_texrender_get_texture(m_primaryRT);
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if (!sourceTexture) {
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P_LOG_ERROR("<filter-blur> Failed to get source texture.");
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obs_source_skip_video_filter(m_source);
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return;
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}
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#pragma endregion Source To Texture
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// Conversion
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#pragma region RGB -> YUV
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if (m_colorFormat == ColorFormat::YUV) {
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gs_texrender_reset(m_secondaryRT);
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if (!gs_texrender_begin(m_secondaryRT, baseW, baseH)) {
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P_LOG_ERROR("<filter-blur> Failed to set up base texture.");
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obs_source_skip_video_filter(m_source);
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return;
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} else {
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gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
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// Clear to Black
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gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
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// Set up camera stuff
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gs_set_cull_mode(GS_NEITHER);
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gs_reset_blend_state();
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gs_enable_blending(false);
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gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
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gs_enable_depth_test(false);
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gs_enable_stencil_test(false);
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gs_enable_stencil_write(false);
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gs_enable_color(true, true, true, true);
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gs_eparam_t* param = gs_effect_get_param_by_name(colorConversionEffect, "image");
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if (!param) {
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P_LOG_ERROR("<filter-blur:Final> Failed to set image param.");
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failed = true;
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} else {
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gs_effect_set_texture(param, sourceTexture);
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}
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while (gs_effect_loop(colorConversionEffect, "RGBToYUV")) {
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gs_draw_sprite(sourceTexture, 0, baseW, baseH);
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}
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gs_texrender_end(m_secondaryRT);
|
|
}
|
|
|
|
if (failed) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
|
|
sourceTexture = gs_texrender_get_texture(m_secondaryRT);
|
|
if (!sourceTexture) {
|
|
P_LOG_ERROR("<filter-blur> Failed to get source texture.");
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
}
|
|
#pragma endregion RGB -> YUV
|
|
|
|
#pragma region Blur
|
|
// Set up camera stuff
|
|
gs_set_cull_mode(GS_NEITHER);
|
|
gs_reset_blend_state();
|
|
gs_enable_blending(true);
|
|
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
|
|
gs_enable_depth_test(false);
|
|
gs_enable_stencil_test(false);
|
|
gs_enable_stencil_write(false);
|
|
gs_enable_color(true, true, true, true);
|
|
|
|
gs_texture_t* blurred = nullptr, *intermediate = sourceTexture;
|
|
std::tuple<const char*, gs_texrender_t*, float, float> kvs[] = {
|
|
std::make_tuple("Horizontal", m_rtHorizontal, 1.0f / baseW, 0.0f),
|
|
std::make_tuple("Vertical", m_rtVertical, 0.0f, 1.0f / baseH),
|
|
};
|
|
for (auto v : kvs) {
|
|
const char* name = std::get<0>(v);
|
|
gs_texrender_t* rt = std::get<1>(v);
|
|
float xpel = std::get<2>(v),
|
|
ypel = std::get<3>(v);
|
|
|
|
if (!apply_shared_param(intermediate, xpel, ypel))
|
|
break;
|
|
switch (m_type) {
|
|
case Gaussian:
|
|
apply_gaussian_param();
|
|
break;
|
|
case Bilateral:
|
|
apply_bilateral_param();
|
|
break;
|
|
}
|
|
|
|
gs_texrender_reset(rt);
|
|
if (!gs_texrender_begin(rt, baseW, baseH)) {
|
|
P_LOG_ERROR("<filter-blur:%s> Failed to begin rendering.", name);
|
|
break;
|
|
}
|
|
|
|
// Camera
|
|
gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
|
|
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
|
|
|
|
// Render
|
|
while (gs_effect_loop(m_effect->get_object(), "Draw")) {
|
|
gs_draw_sprite(intermediate, 0, baseW, baseH);
|
|
}
|
|
|
|
gs_texrender_end(rt);
|
|
intermediate = gs_texrender_get_texture(rt);
|
|
if (!intermediate) {
|
|
P_LOG_ERROR("<filter-blur:%s> Failed to get intermediate texture.",
|
|
name);
|
|
break;
|
|
}
|
|
blurred = intermediate;
|
|
}
|
|
if (blurred == nullptr) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
#pragma endregion Blur
|
|
|
|
#pragma region YUV -> RGB or straight draw
|
|
// Draw final effect
|
|
{
|
|
gs_effect_t* finalEffect = defaultEffect;
|
|
const char* technique = "Draw";
|
|
|
|
if (m_colorFormat == ColorFormat::YUV) {
|
|
finalEffect = colorConversionEffect;
|
|
technique = "YUVToRGB";
|
|
}
|
|
|
|
// Set up camera stuff
|
|
gs_set_cull_mode(GS_NEITHER);
|
|
gs_reset_blend_state();
|
|
gs_enable_blending(true);
|
|
gs_blend_function(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA);
|
|
gs_enable_depth_test(false);
|
|
gs_enable_stencil_test(false);
|
|
gs_enable_stencil_write(false);
|
|
gs_enable_color(true, true, true, true);
|
|
|
|
gs_eparam_t* param = gs_effect_get_param_by_name(finalEffect, "image");
|
|
if (!param) {
|
|
P_LOG_ERROR("<filter-blur:Final> Failed to set image param.");
|
|
failed = true;
|
|
} else {
|
|
gs_effect_set_texture(param, blurred);
|
|
}
|
|
while (gs_effect_loop(finalEffect, technique)) {
|
|
gs_draw_sprite(blurred, 0, baseW, baseH);
|
|
}
|
|
}
|
|
#pragma endregion YUV -> RGB or straight draw
|
|
|
|
if (failed) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
}
|
|
|
|
bool Filter::Blur::Instance::apply_shared_param(gs_texture_t* input, float texelX, float texelY) {
|
|
bool result = true;
|
|
|
|
result = result && gs_set_param_texture(m_effect->get_object(), "u_image", input);
|
|
|
|
vec2 imageSize;
|
|
vec2_set(&imageSize,
|
|
(float)gs_texture_get_width(input),
|
|
(float)gs_texture_get_height(input));
|
|
result = result && gs_set_param_float2(m_effect->get_object(), "u_imageSize", &imageSize);
|
|
|
|
vec2 imageTexelDelta;
|
|
vec2_set(&imageTexelDelta, 1.0f, 1.0f);
|
|
vec2_div(&imageTexelDelta, &imageTexelDelta, &imageSize);
|
|
result = result && gs_set_param_float2(m_effect->get_object(), "u_imageTexel", &imageTexelDelta);
|
|
|
|
vec2 texel; vec2_set(&texel, texelX, texelY);
|
|
result = result && gs_set_param_float2(m_effect->get_object(), "u_texelDelta", &texel);
|
|
|
|
result = result && gs_set_param_int(m_effect->get_object(), "u_radius", (int)m_size);
|
|
result = result && gs_set_param_int(m_effect->get_object(), "u_diameter", (int)(1 + (m_size * 2)));
|
|
|
|
return result;
|
|
}
|
|
|
|
bool Filter::Blur::Instance::apply_bilateral_param() {
|
|
gs_eparam_t *param;
|
|
|
|
if (m_type != Type::Bilateral)
|
|
return false;
|
|
|
|
// Bilateral Blur
|
|
param = gs_effect_get_param_by_name(m_effect->get_object(), "bilateralSmoothing");
|
|
if (!param) {
|
|
P_LOG_ERROR("<filter-blur> Failed to set bilateralSmoothing param.");
|
|
return false;
|
|
} else {
|
|
P_LOG_DEBUG("<filter-blur> Applying bilateralSmoothing parameter.");
|
|
gs_effect_set_float(param,
|
|
(float)(m_bilateralSmoothing * (1 + m_size * 2)));
|
|
}
|
|
|
|
param = gs_effect_get_param_by_name(m_effect->get_object(), "bilateralSharpness");
|
|
if (!param) {
|
|
P_LOG_ERROR("<filter-blur> Failed to set bilateralSmoothing param.");
|
|
return false;
|
|
} else {
|
|
P_LOG_DEBUG("<filter-blur> Applying bilateralSharpness parameter.");
|
|
gs_effect_set_float(param, (float)(1.0 - m_bilateralSharpness));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Filter::Blur::Instance::apply_gaussian_param() {
|
|
bool result = true;
|
|
|
|
if (m_type != Type::Gaussian)
|
|
return false;
|
|
|
|
std::shared_ptr<gs::texture> tex;
|
|
if ((m_size - 1) < MaxKernelSize) {
|
|
tex = g_gaussianKernels[size_t(m_size - 1)];
|
|
result = result && gs_set_param_texture(m_effect->get_object(), "kernel", tex->get_object());
|
|
}
|
|
|
|
vec2 kerneltexel;
|
|
vec2_set(&kerneltexel, 1.0f / gs_texture_get_width(tex->get_object()), 0);
|
|
result = result && gs_set_param_float2(m_effect->get_object(), "kernelTexel", &kerneltexel);
|
|
|
|
return result;
|
|
}
|