93 lines
2.9 KiB
C++
93 lines
2.9 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 "gs-rendertarget.h"
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#include <stdexcept>
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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 <obs.h>
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#pragma warning( pop )
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}
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gs::rendertarget::rendertarget(gs_color_format colorFormat, gs_zstencil_format zsFormat) {
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m_isBeingRendered = false;
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obs_enter_graphics();
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m_renderTarget = gs_texrender_create(colorFormat, zsFormat);
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obs_leave_graphics();
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}
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gs::rendertarget::~rendertarget() {
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obs_enter_graphics();
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gs_texrender_destroy(m_renderTarget);
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obs_leave_graphics();
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}
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gs::rendertarget_op gs::rendertarget::render(uint32_t width, uint32_t height) {
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return { this, width, height };
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}
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gs_texture_t* gs::rendertarget::get_object() {
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obs_enter_graphics();
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gs_texture_t* tex = gs_texrender_get_texture(m_renderTarget);
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obs_leave_graphics();
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return tex;
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}
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void gs::rendertarget::get_texture(gs::texture& tex) {
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tex = gs::texture(get_object(), false);
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}
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void gs::rendertarget::get_texture(std::shared_ptr<gs::texture>& tex) {
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tex = std::make_shared<gs::texture>(get_object(), false);
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}
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void gs::rendertarget::get_texture(std::unique_ptr<gs::texture>& tex) {
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tex = std::make_unique<gs::texture>(get_object(), false);
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}
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gs::rendertarget_op::rendertarget_op(gs::rendertarget* rt, uint32_t width, uint32_t height) : m_renderTarget(rt) {
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if (m_renderTarget == nullptr)
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throw std::invalid_argument("rt");
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if (m_renderTarget->m_isBeingRendered)
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throw std::logic_error("Can't start rendering to the same render target twice.");
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obs_enter_graphics();
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gs_texrender_reset(m_renderTarget->m_renderTarget);
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if (!gs_texrender_begin(m_renderTarget->m_renderTarget, width, height)) {
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obs_leave_graphics();
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throw std::runtime_error("Failed to begin rendering to render target.");
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}
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obs_leave_graphics();
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m_renderTarget->m_isBeingRendered = true;
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}
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gs::rendertarget_op::rendertarget_op(gs::rendertarget_op&& r) {
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this->m_renderTarget = r.m_renderTarget;
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r.m_renderTarget = nullptr;
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}
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gs::rendertarget_op::~rendertarget_op() {
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if (m_renderTarget == nullptr)
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return;
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obs_enter_graphics();
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gs_texrender_end(m_renderTarget->m_renderTarget);
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obs_leave_graphics();
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m_renderTarget->m_isBeingRendered = false;
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}
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