Differential D27984 Diff 77504 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		QSGMaterialType ShadowedRectangleMaterial::staticType;
		12
		13		ShadowedRectangleMaterial::ShadowedRectangleMaterial()
		14		{
		15		setFlag(QSGMaterial::Blending, true);
		16		}
		17
		18		QSGMaterialShader* ShadowedRectangleMaterial::createShader() const
		19		{
		20		return new ShadowedRectangleShader{};
		21		}
		22
		23		QSGMaterialType* ShadowedRectangleMaterial::type() const
		24		{
		25		return &staticType;
		26		}
		27
		28		int ShadowedRectangleMaterial::compare(const QSGMaterial *other) const
		29		{
		30		auto material = static_cast<const ShadowedRectangleMaterial *>(other);
		31
		32		if (material->color == color
		33		&& material->shadowColor == shadowColor
		34		&& material->offset == offset
		35		&& material->aspect == aspect
		36		&& qFuzzyCompare(material->size, size)
		37		&& qFuzzyCompare(material->radius, radius)) {
		38		return 0;
		39		}
		40
		41		return QSGMaterial::compare(other);
		42		}
		43
		44		ShadowedRectangleShader::ShadowedRectangleShader()
		45		{
		46		auto header = QOpenGLContext::currentContext()->isOpenGLES() ? QStringLiteral("header_es.glsl") : QStringLiteral("header_desktop.glsl");
		47
		48		auto shaderRoot = QStringLiteral(":/org/kde/kirigami/shaders/");
		49
		50		setShaderSourceFiles(QOpenGLShader::Vertex, {
		51		shaderRoot + header,
		52		shaderRoot + QStringLiteral("shadowedrectangle.vert")
		53		});
		54
		55		setShaderSourceFiles(QOpenGLShader::Fragment, {
		56		shaderRoot + header,
		57		shaderRoot + QStringLiteral("shadowedrectangle.frag")
		58		});
		59		}
		60
		61		const char const ShadowedRectangleShader::attributeNames() const
		62		{
		63		static char const *const names[] = {"in_vertex", "in_uv", nullptr};
		64		return names;
		65		}
		66
		67		void ShadowedRectangleShader::initialize()
		68		{
		69		QSGMaterialShader::initialize();
		70		m_matrixLocation = program()->uniformLocation("matrix");
		71		m_aspectLocation = program()->uniformLocation("aspect");
		72		m_opacityLocation = program()->uniformLocation("opacity");
		73		m_sizeLocation = program()->uniformLocation("size");
		74		m_radiusLocation = program()->uniformLocation("radius");
		75		m_colorLocation = program()->uniformLocation("color");
		76		m_shadowColorLocation = program()->uniformLocation("shadowColor");
		77		m_offsetLocation = program()->uniformLocation("offset");
		78		}
		79
		80		void ShadowedRectangleShader::updateState(const QSGMaterialShader::RenderState& state, QSGMaterial* newMaterial, QSGMaterial* oldMaterial)
		81		{
		82		auto p = program();
		83
		84		if (state.isMatrixDirty()) {
		85		p->setUniformValue(m_matrixLocation, state.combinedMatrix());
		86		}
		87
		88		if (state.isOpacityDirty()) {
		89		p->setUniformValue(m_opacityLocation, state.opacity());
		90		}
		91
		92		if (!oldMaterial \|\| newMaterial->compare(oldMaterial) != 0 \|\| state.isCachedMaterialDataDirty()) {
		93		auto material = static_cast<ShadowedRectangleMaterial *>(newMaterial);
		94		p->setUniformValue(m_aspectLocation, material->aspect);
		95		p->setUniformValue(m_sizeLocation, material->size);
		96		p->setUniformValue(m_radiusLocation, material->radius);
		97		p->setUniformValue(m_colorLocation, material->color);
		98		p->setUniformValue(m_shadowColorLocation, material->shadowColor);
		99		p->setUniformValue(m_offsetLocation, material->offset);
		100		}
		101		}