87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// 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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#include "gfx-source-texture.h"
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gfx::source_texture::~source_texture() {
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obs_source_remove_active_child(m_parent, m_source);
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if (m_source) {
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obs_source_release(m_source);
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m_source = nullptr;
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}
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m_rt = nullptr;
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}
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gfx::source_texture::source_texture(obs_source_t* parent) {
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m_rt = std::make_shared<gs::rendertarget>(GS_RGBA, GS_ZS_NONE);
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m_parent = parent;
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}
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obs_source_t* gfx::source_texture::get_object() {
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return m_source;
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}
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obs_source_t* gfx::source_texture::get_parent() {
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return m_parent;
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}
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gfx::source_texture::source_texture(const char* name, obs_source_t* parent) : source_texture(parent) {
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m_source = obs_get_source_by_name(name);
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if (!m_source) {
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throw std::invalid_argument("No such source.");
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}
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if (!obs_source_add_active_child(m_parent, m_source)) {
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throw std::runtime_error("Recursion is not allowed.");
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}
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}
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gfx::source_texture::source_texture(std::string name, obs_source_t* parent) : source_texture(name.c_str(), parent) {}
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gfx::source_texture::source_texture(obs_source_t* src, obs_source_t* parent) : source_texture(parent) {
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m_source = src;
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if (!m_source) {
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throw std::invalid_argument("No such source.");
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}
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if (!obs_source_add_active_child(m_parent, m_source)) {
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throw std::runtime_error("Recursion is not allowed.");
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}
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}
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std::shared_ptr<gs::texture> gfx::source_texture::render(size_t width, size_t height) {
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if (!m_source) {
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throw std::invalid_argument("Missing source to render.");
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}
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if ((width == 0) || (width >= 16384)) {
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throw std::runtime_error("Width too large or too small.");
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}
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if ((height == 0) || (height >= 16384)) {
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throw std::runtime_error("Height too large or too small.");
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}
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{
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auto op = m_rt->render((uint32_t)width, (uint32_t)height);
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vec4 black; vec4_zero(&black);
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gs_ortho(0, (float_t)width, 0, (float_t)height, 0, 1);
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gs_clear(GS_CLEAR_COLOR, &black, 0, 0);
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obs_source_video_render(m_source);
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}
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std::shared_ptr<gs::texture> tex;
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m_rt->get_texture(tex);
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return tex;
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}
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