ShaderNode: Extract texture from SampleTexture

Add TextureData and TextureValue node

src/ShaderNode/DataTypes/TextureData.cpp

@@ -0,0 +1 @@
+#include <ShaderNode/DataTypes/TextureData.hpp>

src/ShaderNode/DataTypes/TextureData.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#ifndef NAZARA_SHADERNODES_TEXTUREDATA_HPP
+#define NAZARA_SHADERNODES_TEXTUREDATA_HPP
+
+#include <Nazara/Renderer/ShaderAst.hpp>
+#include <nodes/NodeData>
+#include <QtGui/QImage>
+
+struct TextureData : public QtNodes::NodeData
+{
+	inline TextureData();
+
+	QImage preview;
+};
+
+struct Texture2Data : public TextureData
+{
+	QtNodes::NodeDataType type() const override
+	{
+		return Type();
+	}
+
+	static QtNodes::NodeDataType Type()
+	{
+		return { "tex2d", "Texture2D" };
+	}
+};
+
+#include <ShaderNode/DataTypes/TextureData.inl>
+
+#endif

src/ShaderNode/DataTypes/TextureData.inl

@@ -0,0 +1,7 @@
+#include <ShaderNode/DataTypes/TextureData.hpp>
+
+inline TextureData::TextureData() :
+preview(64, 64, QImage::Format_RGBA8888)
+{
+	preview.fill(QColor::fromRgb(255, 255, 255, 0));
+}