Differential D28222 Diff 78987 src/scenegraph/shadowedtexturenode.cpp

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src/scenegraph/shadowedtexturenode.cpp

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		1		/*
		2		* SPDX-FileCopyrightText: 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
		3		*
		4		* SPDX-License-Identifier: LGPL-2.0-or-later
		5		*/
		6
		7		#include "shadowedtexturenode.h"
		8
		9		#include <QSGTextureProvider>
		10		#include "shadowedtexturematerial.h"
		11		#include "shadowedbordertexturematerial.h"
		12
		13		template <typename T>
		14		inline void preprocessTexture(QSGMaterial material, QSGTextureProvider provider)
		15		{
		16		auto m = static_cast<T*>(material);
		17		// Since we handle texture coordinates differently in the shader, we
		18		// need to remove the texture from the atlas for now.
		19		if (provider->texture()->isAtlasTexture()) {
		20		// Blegh, I have no idea why "removedFromAtlas" doesn't just return
		21		// the texture when it's not an atlas.
		22		m->textureSource = provider->texture()->removedFromAtlas();
		23		} else {
		24		m->textureSource = provider->texture();
		25		}
		26		if (QSGDynamicTexture dynamic_texture = qobject_cast<QSGDynamicTexture >(m->textureSource)) {
		27		dynamic_texture->updateTexture();
		28		}
		29		}
		30
		31		ShadowedTextureNode::ShadowedTextureNode()
		32		: ShadowedRectangleNode()
		33		{
		34		setFlag(QSGNode::UsePreprocess);
		35		}
		36
		37		void ShadowedTextureNode::setTextureSource(QSGTextureProvider *source)
		38		{
		39		if (m_textureSource == source) {
		40		return;
		41		}
		42
		43		if (m_textureSource) {
		44		m_textureSource->disconnect();
		45		}
		46
		47		m_textureSource = source;
		48		QObject::connect(m_textureSource.data(), &QSGTextureProvider::textureChanged, [this]() { markDirty(QSGNode::DirtyMaterial); });
		49		markDirty(QSGNode::DirtyMaterial);
		50		}
		51
		52		void ShadowedTextureNode::preprocess()
		53		{
		54		if (m_textureSource && m_material) {
		55		if (m_material->type() == borderlessMaterialType()) {
		56		preprocessTexture<ShadowedTextureMaterial>(m_material, m_textureSource);
		57		} else {
		58		preprocessTexture<ShadowedBorderTextureMaterial>(m_material, m_textureSource);
		59		}
		60		}
		61		}
		62
		63		ShadowedRectangleMaterial *ShadowedTextureNode::createBorderlessMaterial()
		64		{
		65		return new ShadowedTextureMaterial{};
		66		}
		67
		68		ShadowedBorderRectangleMaterial *ShadowedTextureNode::createBorderMaterial()
		69		{
		70		return new ShadowedBorderTextureMaterial{};
		71		}
		72
		73		QSGMaterialType *ShadowedTextureNode::borderlessMaterialType()
		74		{
		75		return &ShadowedTextureMaterial::staticType;
		76		}
		77
		78		QSGMaterialType *ShadowedTextureNode::borderMaterialType()
		79		{
		80		return &ShadowedBorderTextureMaterial::staticType;
		81		}