Differential D27984 Diff 77446 src/scenegraph/shadowedrectanglematerial.cpp

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src/scenegraph/shadowedrectanglematerial.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 "shadowedrectanglematerial.h"
		8
		9		#include <QOpenGLContext>
		10
		11		ShadowedRectangleMaterial::ShadowedRectangleMaterial()
		12		{
		13		setFlag(QSGMaterial::Blending, true);
		14		}
		15
		16		QSGMaterialShader* ShadowedRectangleMaterial::createShader() const
		17		{
		18		return new ElevatedRectangleShader{};
		19		}
		20
		21		QSGMaterialType* ShadowedRectangleMaterial::type() const
		22		{
		23		static QSGMaterialType type;
		24		return &type;
		25		}
		26
		27		int ShadowedRectangleMaterial::compare(const QSGMaterial *other) const
		28		{
		29		auto material = static_cast<const ShadowedRectangleMaterial *>(other);
		30
		31		if (material->color == color
		32		&& material->shadowColor == shadowColor
		33		&& material->offset == offset
		34		&& material->aspect == aspect
		35		&& qFuzzyCompare(material->size, size)
		36		&& qFuzzyCompare(material->radius, radius)) {
		37		return 0;
		38		}
		39
		40		return QSGMaterial::compare(other);
		41		}
		42
		43		ElevatedRectangleShader::ElevatedRectangleShader()
		44		{
		45		auto header = QOpenGLContext::currentContext()->isOpenGLES() ? QStringLiteral("header_es.glsl") : QStringLiteral("header_desktop.glsl");
		46
		47		auto shaderRoot = QStringLiteral(":/org/kde/kirigami/shaders/");
		48
		49		setShaderSourceFiles(QOpenGLShader::Vertex, {
		50		shaderRoot + header,
		51		shaderRoot + QStringLiteral("shadowedrectangle.vert")
		52		});
		53
		54		setShaderSourceFiles(QOpenGLShader::Fragment, {
		55		shaderRoot + header,
		56		shaderRoot + QStringLiteral("shadowedrectangle.frag")
		57		});
		58		}
		59
		60		const char const ElevatedRectangleShader::attributeNames() const
		61		{
		62		static char const *const names[] = {"in_vertex", "in_uv", nullptr};
		63		return names;
		64		}
		65
		66		void ElevatedRectangleShader::initialize()
		67		{
		68		QSGMaterialShader::initialize();
		69		m_matrixLocation = program()->uniformLocation("matrix");
		70		m_aspectLocation = program()->uniformLocation("aspect");
		71		m_opacityLocation = program()->uniformLocation("opacity");
		72		m_sizeLocation = program()->uniformLocation("size");
		73		m_radiusLocation = program()->uniformLocation("radius");
		74		m_colorLocation = program()->uniformLocation("color");
		75		m_shadowColorLocation = program()->uniformLocation("shadowColor");
		76		m_offsetLocation = program()->uniformLocation("offset");
		77		}
		78
		79		void ElevatedRectangleShader::updateState(const QSGMaterialShader::RenderState& state, QSGMaterial* newMaterial, QSGMaterial* oldMaterial)
		80		{
		81		auto p = program();
		82
		83		if (state.isMatrixDirty()) {
		84		p->setUniformValue(m_matrixLocation, state.combinedMatrix());
		85		}
		86
		87		if (state.isOpacityDirty()) {
		88		p->setUniformValue(m_opacityLocation, state.opacity());
		89		}
		90
		91		if (!oldMaterial \|\| newMaterial->compare(oldMaterial) != 0 \|\| state.isCachedMaterialDataDirty()) {
		92		auto material = static_cast<ShadowedRectangleMaterial *>(newMaterial);
		93		p->setUniformValue(m_aspectLocation, material->aspect);
		94		p->setUniformValue(m_sizeLocation, material->size);
		95		p->setUniformValue(m_radiusLocation, material->radius);
		96		p->setUniformValue(m_colorLocation, material->color);
		97		p->setUniformValue(m_shadowColorLocation, material->shadowColor);
		98		p->setUniformValue(m_offsetLocation, material->offset);
		99		}
		100		}