97 lines
2.4 KiB
C++
97 lines
2.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 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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#include "node/traverser.h"
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namespace olive {
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const QString MergeNode::kBaseIn = QStringLiteral("base_in");
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const QString MergeNode::kBlendIn = QStringLiteral("blend_in");
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#define super Node
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MergeNode::MergeNode()
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{
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AddInput(kBaseIn, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
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AddInput(kBlendIn, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
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SetFlags(kDontShowInParamView);
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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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QVector<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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super::Retranslate();
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SetInputName(kBaseIn, tr("Base"));
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SetInputName(kBlendIn, tr("Blend"));
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}
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ShaderCode MergeNode::GetShaderCode(const ShaderRequest &request) const
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{
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Q_UNUSED(request)
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return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/alphaover.frag"));
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}
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void MergeNode::Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const
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{
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TexturePtr base_tex = value[kBaseIn].toTexture();
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TexturePtr blend_tex = value[kBlendIn].toTexture();
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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(value[kBlendIn]);
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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(value[kBaseIn]);
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} else {
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table->Push(NodeValue::kTexture, base_tex->toJob(ShaderJob(value)), this);
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}
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}
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}
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}
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