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ShaderNode: Add texture support

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This commit is contained in:
Lynix
2020-05-22 15:39:10 +02:00
parent effaa9b88f
commit 33c8fe2562
20 changed files with 493 additions and 260 deletions
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36
src/ShaderNode/DataModels/SampleTexture.cpp
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@@ -4,12 +4,21 @@
#include <Nazara/Renderer/ShaderBuilder.hpp>
SampleTexture::SampleTexture(ShaderGraph& graph) :
ShaderNode(graph)
ShaderNode(graph),
m_currentTextureIndex(0)
{
m_layout = new QVBoxLayout;
m_textureSelection = new QComboBox;
m_textureSelection->setStyleSheet("background-color: rgba(255,255,255,255)");
connect(m_textureSelection, qOverload<int>(&QComboBox::currentIndexChanged), [&](int index)
{
if (index < 0)
return;
m_currentTextureIndex = static_cast<std::size_t>(index);
UpdatePreview();
});
m_layout->addWidget(m_textureSelection);
@@ -25,8 +34,15 @@ ShaderNode(graph)
m_widget->setStyleSheet("background-color: rgba(0,0,0,0)");
m_widget->setLayout(m_layout);
m_onTextureListUpdate.Connect(GetGraph().OnTextureListUpdate, [&](ShaderGraph*) { UpdateTextureList(); });
m_onTextureListUpdateSlot.Connect(GetGraph().OnTextureListUpdate, [&](ShaderGraph*) { UpdateTextureList(); });
m_onTexturePreviewUpdateSlot.Connect(GetGraph().OnTexturePreviewUpdate, [&](ShaderGraph*, std::size_t textureIndex)
{
if (m_currentTextureIndex == textureIndex)
UpdatePreview();
});
UpdateTextureList();
UpdatePreview();
}
QWidget* SampleTexture::embeddedWidget()
@@ -47,8 +63,13 @@ unsigned int SampleTexture::nPorts(QtNodes::PortType portType) const
void SampleTexture::UpdatePreview()
{
if (m_textureSelection->count() == 0)
return;
ComputePreview(m_pixmap);
m_pixmapLabel->setPixmap(m_pixmap);
Q_EMIT dataUpdated(0);
}
void SampleTexture::UpdateTextureList()
@@ -64,7 +85,9 @@ void SampleTexture::UpdateTextureList()
void SampleTexture::ComputePreview(QPixmap& pixmap) const
{
pixmap.fill();
const auto& textureEntry = GetGraph().GetTexture(m_currentTextureIndex);
pixmap = QPixmap::fromImage(textureEntry.preview).scaled(128, 128, Qt::KeepAspectRatio);
}
Nz::ShaderAst::ExpressionPtr SampleTexture::GetExpression(Nz::ShaderAst::ExpressionPtr* expressions, std::size_t count) const
@@ -102,5 +125,10 @@ std::shared_ptr<QtNodes::NodeData> SampleTexture::outData(QtNodes::PortIndex por
{
assert(port == 0);
return std::make_shared<Vec4Data>(Nz::Vector4f::Zero());
const auto& textureEntry = GetGraph().GetTexture(m_currentTextureIndex);
auto vecData = std::make_shared<Vec4Data>();
vecData->preview = textureEntry.preview;
return vecData;
}