121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "merge.h"
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OLIVE_NAMESPACE_ENTER
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MergeNode::MergeNode()
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{
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base_in_ = new NodeInput("base_in", NodeParam::kTexture);
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AddInput(base_in_);
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blend_in_ = new NodeInput("blend_in", NodeParam::kTexture);
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AddInput(blend_in_);
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}
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Node *MergeNode::copy() const
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{
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return new MergeNode();
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}
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QString MergeNode::Name() const
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{
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return tr("Merge");
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}
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QString MergeNode::id() const
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{
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return QStringLiteral("org.olivevideoeditor.Olive.merge");
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}
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QList<Node::CategoryID> MergeNode::Category() const
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{
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return {kCategoryMath};
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}
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QString MergeNode::Description() const
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{
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return tr("Merge two textures together.");
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}
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void MergeNode::Retranslate()
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{
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base_in_->set_name(tr("Base"));
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blend_in_->set_name(tr("Blend"));
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}
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ShaderCode MergeNode::GetShaderCode(const QString &shader_id) const
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{
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Q_UNUSED(shader_id)
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return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/alphaover.frag"), QString());
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}
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NodeValueTable MergeNode::Value(NodeValueDatabase &value) const
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{
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ShaderJob job;
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job.InsertValue(base_in_, value);
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job.InsertValue(blend_in_, value);
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NodeValueTable table = value.Merge();
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TexturePtr base_tex = job.GetValue(base_in_).data.value<TexturePtr>();
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TexturePtr blend_tex = job.GetValue(blend_in_).data.value<TexturePtr>();
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if (base_tex || blend_tex) {
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if (!base_tex || (blend_tex && blend_tex->channel_count() < VideoParams::kRGBAChannelCount)) {
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// We only have a blend texture or the blend texture is RGB only, no need to alpha over
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table.Push(job.GetValue(blend_in_), this);
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} else if (!blend_tex) {
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// We only have a base texture, no need to alpha over
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table.Push(job.GetValue(base_in_), this);
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} else {
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// We have both textures, push the job
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table.Push(NodeParam::kShaderJob, QVariant::fromValue(job), this);
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}
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}
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return table;
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}
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NodeInput *MergeNode::base_in() const
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{
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return base_in_;
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}
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NodeInput *MergeNode::blend_in() const
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{
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return blend_in_;
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}
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void MergeNode::Hash(QCryptographicHash &hash, const rational &time) const
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{
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if (base_in_->is_connected()) {
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base_in_->get_connected_node()->Hash(hash, time);
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}
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if (blend_in_->is_connected()) {
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blend_in_->get_connected_node()->Hash(hash, time);
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}
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}
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OLIVE_NAMESPACE_EXIT
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