obs-StreamFX/source/gfx/gfx-source-texture.cpp
Michael Fabian 'Xaymar' Dirks d2a543f118 core: Clean up some older C++ code
- Remove float_t and double_t usage, as they aren't related to sized types.
- Remove unused aligned types, their usage has been replaced quite a while ago.
- Update the templates for pow and is_power_of_two.
2023-09-30 09:25:30 +02:00

85 lines
2.4 KiB
C++

// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2019-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END
#include "gfx-source-texture.hpp"
#include "obs/gs/gs-helper.hpp"
#include "obs/obs-tools.hpp"
#include "warning-disable.hpp"
#include <stdexcept>
#include "warning-enable.hpp"
streamfx::gfx::source_texture::~source_texture()
{
if (_child && _parent) {
obs_source_remove_active_child(_parent.get(), _child.get());
}
}
streamfx::gfx::source_texture::source_texture(streamfx::obs::source child, streamfx::obs::source parent) : _parent(parent), _child(child)
{
// Verify that 'child' and 'parent' exist.
if (!_child || !_parent) {
throw std::invalid_argument("Child or Parent does not exist.");
}
// Verify that 'child' does not contain 'parent'.
if (::streamfx::obs::tools::source_find_source(child, parent)) {
throw std::runtime_error("Child contains Parent");
} else if (!obs_source_add_active_child(parent, child)) {
throw std::runtime_error("Child contains Parent");
}
_rt = std::make_shared<streamfx::obs::gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
}
obs_source_t* streamfx::gfx::source_texture::get_object()
{
if (_child) {
return _child.get();
}
return nullptr;
}
obs_source_t* streamfx::gfx::source_texture::get_parent()
{
return _parent.get();
}
void streamfx::gfx::source_texture::clear()
{
if (_child && _parent) {
obs_source_remove_active_child(_parent.get(), _child.get());
}
_child = {};
}
std::shared_ptr<streamfx::obs::gs::texture> streamfx::gfx::source_texture::render(std::size_t width, std::size_t height)
{
if ((width == 0) || (width >= 16384)) {
throw std::runtime_error("Width too large or too small.");
}
if ((height == 0) || (height >= 16384)) {
throw std::runtime_error("Height too large or too small.");
}
if (!_child || !_parent) {
return nullptr;
}
if (_child) {
#if defined(ENABLE_PROFILING) && !defined(D_PLATFORM_MAC) && _DEBUG
auto cctr = streamfx::obs::gs::debug_marker(streamfx::obs::gs::debug_color_capture, "gfx::source_texture '%s'", obs_source_get_name(_child.get()));
#endif
auto op = _rt->render(static_cast<uint32_t>(width), static_cast<uint32_t>(height));
vec4 black;
vec4_zero(&black);
gs_ortho(0, static_cast<float>(width), 0, static_cast<float>(height), 0, 1);
gs_clear(GS_CLEAR_COLOR, &black, 0, 0);
obs_source_video_render(_child.get());
}
std::shared_ptr<streamfx::obs::gs::texture> tex;
_rt->get_texture(tex);
return tex;
}