| 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 "shadowedbordertexturematerial.h" |
| 10 | |
| 11 | template<typename T> |
| 12 | inline void preprocessTexture(QSGMaterial *material, QSGTextureProvider *provider) |
| 13 | { |
| 14 | auto m = static_cast<T *>(material); |
| 15 | // Since we handle texture coordinates differently in the shader, we |
| 16 | // need to remove the texture from the atlas for now. |
| 17 | if (provider->texture()->isAtlasTexture()) { |
| 18 | // Blegh, I have no idea why "removedFromAtlas" doesn't just return |
| 19 | // the texture when it's not an atlas. |
| 20 | m->textureSource = provider->texture()->removedFromAtlas(); |
| 21 | } else { |
| 22 | m->textureSource = provider->texture(); |
| 23 | } |
| 24 | if (QSGDynamicTexture *dynamic_texture = qobject_cast<QSGDynamicTexture *>(m->textureSource)) { |
| 25 | dynamic_texture->updateTexture(); |
| 26 | } |
| 27 | } |
| 28 | |
| 29 | ShadowedTextureNode::ShadowedTextureNode() |
| 30 | : ShadowedRectangleNode() |
| 31 | { |
| 32 | setFlag(QSGNode::UsePreprocess); |
| 33 | } |
| 34 | |
| 35 | ShadowedTextureNode::~ShadowedTextureNode() |
| 36 | { |
| 37 | QObject::disconnect(m_textureChangeConnectionHandle); |
| 38 | } |
| 39 | |
| 40 | void ShadowedTextureNode::setTextureSource(QSGTextureProvider *source) |
| 41 | { |
| 42 | if (m_textureSource == source) { |
| 43 | return; |
| 44 | } |
| 45 | |
| 46 | if (m_textureSource) { |
| 47 | m_textureSource->disconnect(); |
| 48 | } |
| 49 | |
| 50 | m_textureSource = source; |
| 51 | m_textureChangeConnectionHandle = QObject::connect(sender: m_textureSource.data(), signal: &QSGTextureProvider::textureChanged, slot: [this] { |
| 52 | markDirty(bits: QSGNode::DirtyMaterial); |
| 53 | }); |
| 54 | markDirty(bits: QSGNode::DirtyMaterial); |
| 55 | } |
| 56 | |
| 57 | void ShadowedTextureNode::preprocess() |
| 58 | { |
| 59 | if (m_textureSource && m_material && m_textureSource->texture()) { |
| 60 | if (m_material->type() == borderlessMaterialType()) { |
| 61 | preprocessTexture<ShadowedTextureMaterial>(material: m_material, provider: m_textureSource); |
| 62 | } else { |
| 63 | preprocessTexture<ShadowedBorderTextureMaterial>(material: m_material, provider: m_textureSource); |
| 64 | } |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | ShadowedRectangleMaterial *ShadowedTextureNode::createBorderlessMaterial() |
| 69 | { |
| 70 | return new ShadowedTextureMaterial{}; |
| 71 | } |
| 72 | |
| 73 | ShadowedBorderRectangleMaterial *ShadowedTextureNode::createBorderMaterial() |
| 74 | { |
| 75 | return new ShadowedBorderTextureMaterial{}; |
| 76 | } |
| 77 | |
| 78 | QSGMaterialType *ShadowedTextureNode::borderlessMaterialType() |
| 79 | { |
| 80 | return &ShadowedTextureMaterial::staticType; |
| 81 | } |
| 82 | |
| 83 | QSGMaterialType *ShadowedTextureNode::borderMaterialType() |
| 84 | { |
| 85 | return &ShadowedBorderTextureMaterial::staticType; |
| 86 | } |
| 87 |