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oak-editor/app/node/math/merge/merge.cpp
T
2025-08-05 17:12:49 +08:00

101 lines
2.5 KiB
C++

/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE Team
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "merge.h"
#include "node/traverser.h"
namespace olive
{
const QString MergeNode::kBaseIn = QStringLiteral("base_in");
const QString MergeNode::kBlendIn = QStringLiteral("blend_in");
#define super Node
MergeNode::MergeNode()
{
AddInput(kBaseIn, NodeValue::kTexture,
InputFlags(kInputFlagNotKeyframable));
AddInput(kBlendIn, NodeValue::kTexture,
InputFlags(kInputFlagNotKeyframable));
SetFlag(kDontShowInParamView);
}
QString MergeNode::Name() const
{
return tr("Merge");
}
QString MergeNode::id() const
{
return QStringLiteral("org.olivevideoeditor.Olive.merge");
}
QVector<Node::CategoryID> MergeNode::Category() const
{
return { kCategoryMath };
}
QString MergeNode::Description() const
{
return tr("Merge two textures together.");
}
void MergeNode::Retranslate()
{
super::Retranslate();
SetInputName(kBaseIn, tr("Base"));
SetInputName(kBlendIn, tr("Blend"));
}
ShaderCode MergeNode::GetShaderCode(const ShaderRequest &request) const
{
Q_UNUSED(request)
return ShaderCode(
FileFunctions::ReadFileAsString(":/shaders/alphaover.frag"));
}
void MergeNode::Value(const NodeValueRow &value, const NodeGlobals &globals,
NodeValueTable *table) const
{
TexturePtr base_tex = value[kBaseIn].toTexture();
TexturePtr blend_tex = value[kBlendIn].toTexture();
if (base_tex || blend_tex) {
if (!base_tex || (blend_tex && blend_tex->channel_count() <
VideoParams::kRGBAChannelCount)) {
// We only have a blend texture or the blend texture is RGB only, no need to alpha over
table->Push(value[kBlendIn]);
} else if (!blend_tex) {
// We only have a base texture, no need to alpha over
table->Push(value[kBaseIn]);
} else {
table->Push(NodeValue::kTexture, base_tex->toJob(ShaderJob(value)),
this);
}
}
}
}