obs-StreamFX/source/gfx/blur/gfx-blur-box.cpp
Michael Fabian 'Xaymar' Dirks 6494e8e2d5 gfx/blur: Fix unicode support
Related: #359
2020-11-28 23:48:52 +01:00

528 lines
14 KiB
C++

// Modern effects for a modern Streamer
// Copyright (C) 2019 Michael Fabian Dirks
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#include "gfx-blur-box.hpp"
#include <cmath>
#include <memory>
#include <stdexcept>
#include "obs/gs/gs-helper.hpp"
#include "plugin.hpp"
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4201)
#endif
#include <obs.h>
#include <obs-module.h>
#ifdef _MSC_VER
#pragma warning(pop)
#endif
#define MAX_BLUR_SIZE 128 // Also change this in box.effect if modified.
gfx::blur::box_data::box_data()
{
auto gctx = gs::context();
try {
_effect = gs::effect::create(streamfx::data_file_path("effects/blur/box.effect").u8string());
} catch (...) {
DLOG_ERROR("<gfx::blur::box> Failed to load _effect.");
}
}
gfx::blur::box_data::~box_data()
{
auto gctx = gs::context();
_effect.reset();
}
gs::effect gfx::blur::box_data::get_effect()
{
return _effect;
}
gfx::blur::box_factory::box_factory() {}
gfx::blur::box_factory::~box_factory() {}
bool gfx::blur::box_factory::is_type_supported(::gfx::blur::type type)
{
switch (type) {
case ::gfx::blur::type::Area:
return true;
case ::gfx::blur::type::Directional:
return true;
case ::gfx::blur::type::Rotational:
return true;
case ::gfx::blur::type::Zoom:
return true;
default:
return false;
}
}
std::shared_ptr<::gfx::blur::base> gfx::blur::box_factory::create(::gfx::blur::type type)
{
switch (type) {
case ::gfx::blur::type::Area:
return std::make_shared<::gfx::blur::box>();
case ::gfx::blur::type::Directional:
return std::static_pointer_cast<::gfx::blur::box>(std::make_shared<::gfx::blur::box_directional>());
case ::gfx::blur::type::Rotational:
return std::make_shared<::gfx::blur::box_rotational>();
case ::gfx::blur::type::Zoom:
return std::make_shared<::gfx::blur::box_zoom>();
default:
throw std::runtime_error("Invalid type.");
}
}
double_t gfx::blur::box_factory::get_min_size(::gfx::blur::type)
{
return double_t(1.0);
}
double_t gfx::blur::box_factory::get_step_size(::gfx::blur::type)
{
return double_t(1.0);
}
double_t gfx::blur::box_factory::get_max_size(::gfx::blur::type)
{
return double_t(MAX_BLUR_SIZE);
}
double_t gfx::blur::box_factory::get_min_angle(::gfx::blur::type v)
{
switch (v) {
case ::gfx::blur::type::Directional:
case ::gfx::blur::type::Rotational:
return -180.0;
default:
return 0;
}
}
double_t gfx::blur::box_factory::get_step_angle(::gfx::blur::type)
{
return double_t(0.01);
}
double_t gfx::blur::box_factory::get_max_angle(::gfx::blur::type v)
{
switch (v) {
case ::gfx::blur::type::Directional:
case ::gfx::blur::type::Rotational:
return 180.0;
default:
return 0;
}
}
bool gfx::blur::box_factory::is_step_scale_supported(::gfx::blur::type v)
{
switch (v) {
case ::gfx::blur::type::Area:
case ::gfx::blur::type::Zoom:
case ::gfx::blur::type::Directional:
return true;
default:
return false;
}
}
double_t gfx::blur::box_factory::get_min_step_scale_x(::gfx::blur::type)
{
return double_t(0.01);
}
double_t gfx::blur::box_factory::get_step_step_scale_x(::gfx::blur::type)
{
return double_t(0.01);
}
double_t gfx::blur::box_factory::get_max_step_scale_x(::gfx::blur::type)
{
return double_t(1000.0);
}
double_t gfx::blur::box_factory::get_min_step_scale_y(::gfx::blur::type)
{
return double_t(0.01);
}
double_t gfx::blur::box_factory::get_step_step_scale_y(::gfx::blur::type)
{
return double_t(0.01);
}
double_t gfx::blur::box_factory::get_max_step_scale_y(::gfx::blur::type)
{
return double_t(1000.0);
}
std::shared_ptr<::gfx::blur::box_data> gfx::blur::box_factory::data()
{
std::unique_lock<std::mutex> ulock(_data_lock);
std::shared_ptr<::gfx::blur::box_data> data = _data.lock();
if (!data) {
data = std::make_shared<::gfx::blur::box_data>();
_data = data;
}
return data;
}
::gfx::blur::box_factory& gfx::blur::box_factory::get()
{
static ::gfx::blur::box_factory instance;
return instance;
}
gfx::blur::box::box() : _data(::gfx::blur::box_factory::get().data()), _size(1.), _step_scale({1., 1.})
{
auto gctx = gs::context();
_rendertarget = std::make_shared<::gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
_rendertarget2 = std::make_shared<::gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
}
gfx::blur::box::~box() {}
void gfx::blur::box::set_input(std::shared_ptr<::gs::texture> texture)
{
_input_texture = texture;
}
::gfx::blur::type gfx::blur::box::get_type()
{
return ::gfx::blur::type::Area;
}
double_t gfx::blur::box::get_size()
{
return _size;
}
void gfx::blur::box::set_size(double_t width)
{
_size = width;
if (_size < 1.0) {
_size = 1.0;
}
if (_size > MAX_BLUR_SIZE) {
_size = MAX_BLUR_SIZE;
}
}
void gfx::blur::box::set_step_scale(double_t x, double_t y)
{
_step_scale = {x, y};
}
void gfx::blur::box::get_step_scale(double_t& x, double_t& y)
{
x = _step_scale.first;
y = _step_scale.second;
}
double_t gfx::blur::box::get_step_scale_x()
{
return _step_scale.first;
}
double_t gfx::blur::box::get_step_scale_y()
{
return _step_scale.second;
}
std::shared_ptr<::gs::texture> gfx::blur::box::render()
{
auto gctx = gs::context();
#ifdef ENABLE_PROFILING
auto gdmp = gs::debug_marker(gs::debug_color_azure_radiance, "Box Blur");
#endif
float_t width = float_t(_input_texture->get_width());
float_t height = float_t(_input_texture->get_height());
gs_set_cull_mode(GS_NEITHER);
gs_enable_color(true, true, true, true);
gs_enable_depth_test(false);
gs_depth_function(GS_ALWAYS);
gs_blend_state_push();
gs_reset_blend_state();
gs_enable_blending(false);
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
gs_enable_stencil_test(false);
gs_enable_stencil_write(false);
gs_stencil_function(GS_STENCIL_BOTH, GS_ALWAYS);
gs_stencil_op(GS_STENCIL_BOTH, GS_ZERO, GS_ZERO, GS_ZERO);
// Two Pass Blur
gs::effect effect = _data->get_effect();
if (effect) {
// Pass 1
effect.get_parameter("pImage").set_texture(_input_texture);
effect.get_parameter("pImageTexel").set_float2(float_t(1.f / width), 0.f);
effect.get_parameter("pStepScale").set_float2(float_t(_step_scale.first), float_t(_step_scale.second));
effect.get_parameter("pSize").set_float(float_t(_size));
effect.get_parameter("pSizeInverseMul").set_float(float_t(1.0f / (float_t(_size) * 2.0f + 1.0f)));
{
#ifdef ENABLE_PROFILING
auto gdm = gs::debug_marker(gs::debug_color_azure_radiance, "Horizontal");
#endif
auto op = _rendertarget2->render(uint32_t(width), uint32_t(height));
gs_ortho(0, 1., 0, 1., 0, 1.);
while (gs_effect_loop(effect.get_object(), "Draw")) {
streamfx::gs_draw_fullscreen_tri();
}
}
// Pass 2
effect.get_parameter("pImage").set_texture(_rendertarget2->get_texture());
effect.get_parameter("pImageTexel").set_float2(0.f, float_t(1.f / height));
{
#ifdef ENABLE_PROFILING
auto gdm = gs::debug_marker(gs::debug_color_azure_radiance, "Vertical");
#endif
auto op = _rendertarget->render(uint32_t(width), uint32_t(height));
gs_ortho(0, 1., 0, 1., 0, 1.);
while (gs_effect_loop(effect.get_object(), "Draw")) {
streamfx::gs_draw_fullscreen_tri();
}
}
}
gs_blend_state_pop();
return _rendertarget->get_texture();
}
std::shared_ptr<::gs::texture> gfx::blur::box::get()
{
return _rendertarget->get_texture();
}
gfx::blur::box_directional::box_directional() : _angle(0) {}
::gfx::blur::type gfx::blur::box_directional::get_type()
{
return ::gfx::blur::type::Directional;
}
double_t gfx::blur::box_directional::get_angle()
{
return D_RAD_TO_DEG(_angle);
}
void gfx::blur::box_directional::set_angle(double_t angle)
{
_angle = D_DEG_TO_RAD(angle);
}
std::shared_ptr<::gs::texture> gfx::blur::box_directional::render()
{
auto gctx = gs::context();
#ifdef ENABLE_PROFILING
auto gdmp = gs::debug_marker(gs::debug_color_azure_radiance, "Box Directional Blur");
#endif
float_t width = float_t(_input_texture->get_width());
float_t height = float_t(_input_texture->get_height());
gs_blend_state_push();
gs_reset_blend_state();
gs_enable_color(true, true, true, true);
gs_enable_blending(false);
gs_enable_depth_test(false);
gs_enable_stencil_test(false);
gs_enable_stencil_write(false);
gs_set_cull_mode(GS_NEITHER);
gs_depth_function(GS_ALWAYS);
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
gs_stencil_function(GS_STENCIL_BOTH, GS_ALWAYS);
gs_stencil_op(GS_STENCIL_BOTH, GS_ZERO, GS_ZERO, GS_ZERO);
// One Pass Blur
gs::effect effect = _data->get_effect();
if (effect) {
effect.get_parameter("pImage").set_texture(_input_texture);
effect.get_parameter("pImageTexel")
.set_float2(float_t(1. / width * cos(_angle)), float_t(1.f / height * sin(_angle)));
effect.get_parameter("pStepScale").set_float2(float_t(_step_scale.first), float_t(_step_scale.second));
effect.get_parameter("pSize").set_float(float_t(_size));
effect.get_parameter("pSizeInverseMul").set_float(float_t(1.0f / (float_t(_size) * 2.0f + 1.0f)));
{
auto op = _rendertarget->render(uint32_t(width), uint32_t(height));
gs_ortho(0, 1., 0, 1., 0, 1.);
while (gs_effect_loop(effect.get_object(), "Draw")) {
streamfx::gs_draw_fullscreen_tri();
}
}
}
gs_blend_state_pop();
return _rendertarget->get_texture();
}
::gfx::blur::type gfx::blur::box_rotational::get_type()
{
return ::gfx::blur::type::Rotational;
}
void gfx::blur::box_rotational::set_center(double_t x, double_t y)
{
_center.first = x;
_center.second = y;
}
void gfx::blur::box_rotational::get_center(double_t& x, double_t& y)
{
x = _center.first;
y = _center.second;
}
double_t gfx::blur::box_rotational::get_angle()
{
return D_RAD_TO_DEG(_angle);
}
void gfx::blur::box_rotational::set_angle(double_t angle)
{
_angle = D_DEG_TO_RAD(angle);
}
std::shared_ptr<::gs::texture> gfx::blur::box_rotational::render()
{
auto gctx = gs::context();
#ifdef ENABLE_PROFILING
auto gdmp = gs::debug_marker(gs::debug_color_azure_radiance, "Box Rotational Blur");
#endif
float_t width = float_t(_input_texture->get_width());
float_t height = float_t(_input_texture->get_height());
gs_blend_state_push();
gs_reset_blend_state();
gs_enable_color(true, true, true, true);
gs_enable_blending(false);
gs_enable_depth_test(false);
gs_enable_stencil_test(false);
gs_enable_stencil_write(false);
gs_set_cull_mode(GS_NEITHER);
gs_depth_function(GS_ALWAYS);
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
gs_stencil_function(GS_STENCIL_BOTH, GS_ALWAYS);
gs_stencil_op(GS_STENCIL_BOTH, GS_ZERO, GS_ZERO, GS_ZERO);
// One Pass Blur
gs::effect effect = _data->get_effect();
if (effect) {
effect.get_parameter("pImage").set_texture(_input_texture);
effect.get_parameter("pImageTexel").set_float2(float_t(1.f / width), float_t(1.f / height));
effect.get_parameter("pStepScale").set_float2(float_t(_step_scale.first), float_t(_step_scale.second));
effect.get_parameter("pSize").set_float(float_t(_size));
effect.get_parameter("pSizeInverseMul").set_float(float_t(1.0f / (float_t(_size) * 2.0f + 1.0f)));
effect.get_parameter("pAngle").set_float(float_t(_angle / _size));
effect.get_parameter("pCenter").set_float2(float_t(_center.first), float_t(_center.second));
{
auto op = _rendertarget->render(uint32_t(width), uint32_t(height));
gs_ortho(0, 1., 0, 1., 0, 1.);
while (gs_effect_loop(effect.get_object(), "Rotate")) {
streamfx::gs_draw_fullscreen_tri();
}
}
}
gs_blend_state_pop();
return _rendertarget->get_texture();
}
::gfx::blur::type gfx::blur::box_zoom::get_type()
{
return ::gfx::blur::type::Zoom;
}
void gfx::blur::box_zoom::set_center(double_t x, double_t y)
{
_center.first = x;
_center.second = y;
}
void gfx::blur::box_zoom::get_center(double_t& x, double_t& y)
{
x = _center.first;
y = _center.second;
}
std::shared_ptr<::gs::texture> gfx::blur::box_zoom::render()
{
auto gctx = gs::context();
#ifdef ENABLE_PROFILING
auto gdmp = gs::debug_marker(gs::debug_color_azure_radiance, "Box Zoom Blur");
#endif
float_t width = float_t(_input_texture->get_width());
float_t height = float_t(_input_texture->get_height());
gs_blend_state_push();
gs_reset_blend_state();
gs_enable_color(true, true, true, true);
gs_enable_blending(false);
gs_enable_depth_test(false);
gs_enable_stencil_test(false);
gs_enable_stencil_write(false);
gs_set_cull_mode(GS_NEITHER);
gs_depth_function(GS_ALWAYS);
gs_blend_function(GS_BLEND_ONE, GS_BLEND_ZERO);
gs_stencil_function(GS_STENCIL_BOTH, GS_ALWAYS);
gs_stencil_op(GS_STENCIL_BOTH, GS_ZERO, GS_ZERO, GS_ZERO);
// One Pass Blur
gs::effect effect = _data->get_effect();
if (effect) {
effect.get_parameter("pImage").set_texture(_input_texture);
effect.get_parameter("pImageTexel").set_float2(float_t(1.f / width), float_t(1.f / height));
effect.get_parameter("pStepScale").set_float2(float_t(_step_scale.first), float_t(_step_scale.second));
effect.get_parameter("pSize").set_float(float_t(_size));
effect.get_parameter("pSizeInverseMul").set_float(float_t(1.0f / (float_t(_size) * 2.0f + 1.0f)));
effect.get_parameter("pCenter").set_float2(float_t(_center.first), float_t(_center.second));
{
auto op = _rendertarget->render(uint32_t(width), uint32_t(height));
gs_ortho(0, 1., 0, 1., 0, 1.);
while (gs_effect_loop(effect.get_object(), "Zoom")) {
streamfx::gs_draw_fullscreen_tri();
}
}
}
gs_blend_state_pop();
return _rendertarget->get_texture();
}