diff options
Diffstat (limited to 'src/plugins/scenegraph/d3d12/qsgd3d12spritenode.cpp')
| -rw-r--r-- | src/plugins/scenegraph/d3d12/qsgd3d12spritenode.cpp | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/d3d12/qsgd3d12spritenode.cpp b/src/plugins/scenegraph/d3d12/qsgd3d12spritenode.cpp new file mode 100644 index 0000000000..807fbcdcec --- /dev/null +++ b/src/plugins/scenegraph/d3d12/qsgd3d12spritenode.cpp @@ -0,0 +1,314 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qsgd3d12spritenode_p.h" +#include "qsgd3d12material_p.h" + +#include "vs_sprite.hlslh" +#include "ps_sprite.hlslh" + +QT_BEGIN_NAMESPACE + +struct SpriteVertex +{ + float x; + float y; + float tx; + float ty; +}; + +struct SpriteVertices +{ + SpriteVertex v1; + SpriteVertex v2; + SpriteVertex v3; + SpriteVertex v4; +}; + +class QSGD3D12SpriteMaterial : public QSGD3D12Material +{ +public: + QSGD3D12SpriteMaterial(); + ~QSGD3D12SpriteMaterial(); + + QSGMaterialType *type() const override { static QSGMaterialType type; return &type; } + + int compare(const QSGMaterial *other) const override + { + return this - static_cast<const QSGD3D12SpriteMaterial *>(other); + } + + int constantBufferSize() const override; + void preparePipeline(QSGD3D12PipelineState *pipelineState) override; + UpdateResults updatePipeline(const QSGD3D12MaterialRenderState &state, + QSGD3D12PipelineState *pipelineState, + ExtraState *extraState, + quint8 *constantBuffer) override; + + QSGTexture *texture; + + float animT; + float animX1; + float animY1; + float animX2; + float animY2; + float animW; + float animH; +}; + +QSGD3D12SpriteMaterial::QSGD3D12SpriteMaterial() + : texture(nullptr), + animT(0.0f), + animX1(0.0f), + animY1(0.0f), + animX2(0.0f), + animY2(0.0f), + animW(1.0f), + animH(1.0f) +{ + setFlag(Blending, true); +} + +QSGD3D12SpriteMaterial::~QSGD3D12SpriteMaterial() +{ + delete texture; +} + +static const int SPRITE_CB_SIZE_0 = 16 * sizeof(float); // float4x4 +static const int SPRITE_CB_SIZE_1 = 4 * sizeof(float); // float4 +static const int SPRITE_CB_SIZE_2 = 3 * sizeof(float); // float3 +static const int SPRITE_CB_SIZE_3 = sizeof(float); // float +static const int SPRITE_CB_SIZE = SPRITE_CB_SIZE_0 + SPRITE_CB_SIZE_1 + SPRITE_CB_SIZE_2 + SPRITE_CB_SIZE_3; + +int QSGD3D12SpriteMaterial::constantBufferSize() const +{ + return QSGD3D12Engine::alignedConstantBufferSize(SPRITE_CB_SIZE); +} + +void QSGD3D12SpriteMaterial::preparePipeline(QSGD3D12PipelineState *pipelineState) +{ + pipelineState->shaders.vs = g_VS_Sprite; + pipelineState->shaders.vsSize = sizeof(g_VS_Sprite); + pipelineState->shaders.ps = g_PS_Sprite; + pipelineState->shaders.psSize = sizeof(g_PS_Sprite); + + pipelineState->shaders.rootSig.textureViewCount = 1; +} + +QSGD3D12Material::UpdateResults QSGD3D12SpriteMaterial::updatePipeline(const QSGD3D12MaterialRenderState &state, + QSGD3D12PipelineState *, + ExtraState *, + quint8 *constantBuffer) +{ + QSGD3D12Material::UpdateResults r = UpdatedConstantBuffer; + quint8 *p = constantBuffer; + + if (state.isMatrixDirty()) + memcpy(p, state.combinedMatrix().constData(), SPRITE_CB_SIZE_0); + p += SPRITE_CB_SIZE_0; + + { + const float v[] = { animX1, animY1, animX2, animY2 }; + memcpy(p, v, SPRITE_CB_SIZE_1); + } + p += SPRITE_CB_SIZE_1; + + { + const float v[] = { animW, animH, animT }; + memcpy(p, v, SPRITE_CB_SIZE_2); + } + p += SPRITE_CB_SIZE_2; + + if (state.isOpacityDirty()) { + const float opacity = state.opacity(); + memcpy(p, &opacity, SPRITE_CB_SIZE_3); + } + + texture->bind(); + + return r; +} + +static QSGGeometry::Attribute Sprite_Attributes[] = { + QSGGeometry::Attribute::createWithAttributeType(0, 2, QSGGeometry::FloatType, QSGGeometry::PositionAttribute), + QSGGeometry::Attribute::createWithAttributeType(1, 2, QSGGeometry::FloatType, QSGGeometry::TexCoordAttribute), +}; + +static QSGGeometry::AttributeSet Sprite_AttributeSet = { 2, 4 * sizeof(float), Sprite_Attributes }; + +QSGD3D12SpriteNode::QSGD3D12SpriteNode() + : m_material(new QSGD3D12SpriteMaterial) + , m_geometryDirty(true) + , m_sheetSize(QSize(64, 64)) +{ + m_geometry = new QSGGeometry(Sprite_AttributeSet, 4, 6); + m_geometry->setDrawingMode(QSGGeometry::DrawTriangles); + + quint16 *indices = m_geometry->indexDataAsUShort(); + indices[0] = 0; + indices[1] = 1; + indices[2] = 2; + indices[3] = 1; + indices[4] = 3; + indices[5] = 2; + + setGeometry(m_geometry); + setMaterial(m_material); + setFlag(OwnsGeometry, true); + setFlag(OwnsMaterial, true); +} + +void QSGD3D12SpriteNode::setTexture(QSGTexture *texture) +{ + m_material->texture = texture; + m_geometryDirty = true; + markDirty(DirtyMaterial); +} + +void QSGD3D12SpriteNode::setTime(float time) +{ + m_material->animT = time; + markDirty(DirtyMaterial); +} + +void QSGD3D12SpriteNode::setSourceA(const QPoint &source) +{ + if (m_sourceA != source) { + m_sourceA = source; + m_material->animX1 = static_cast<float>(source.x()) / m_sheetSize.width(); + m_material->animY1 = static_cast<float>(source.y()) / m_sheetSize.height(); + markDirty(DirtyMaterial); + } +} + +void QSGD3D12SpriteNode::setSourceB(const QPoint &source) +{ + if (m_sourceB != source) { + m_sourceB = source; + m_material->animX2 = static_cast<float>(source.x()) / m_sheetSize.width(); + m_material->animY2 = static_cast<float>(source.y()) / m_sheetSize.height(); + markDirty(DirtyMaterial); + } +} + +void QSGD3D12SpriteNode::setSpriteSize(const QSize &size) +{ + if (m_spriteSize != size) { + m_spriteSize = size; + m_material->animW = static_cast<float>(size.width()) / m_sheetSize.width(); + m_material->animH = static_cast<float>(size.height()) / m_sheetSize.height(); + markDirty(DirtyMaterial); + } +} + +void QSGD3D12SpriteNode::setSheetSize(const QSize &size) +{ + if (m_sheetSize != size) { + m_sheetSize = size; + + // Update all dependent properties + m_material->animX1 = static_cast<float>(m_sourceA.x()) / m_sheetSize.width(); + m_material->animY1 = static_cast<float>(m_sourceA.y()) / m_sheetSize.height(); + m_material->animX2 = static_cast<float>(m_sourceB.x()) / m_sheetSize.width(); + m_material->animY2 = static_cast<float>(m_sourceB.y()) / m_sheetSize.height(); + m_material->animW = static_cast<float>(m_spriteSize.width()) / m_sheetSize.width(); + m_material->animH = static_cast<float>(m_spriteSize.height()) / m_sheetSize.height(); + + markDirty(DirtyMaterial); + } +} + +void QSGD3D12SpriteNode::setSize(const QSizeF &size) +{ + if (m_size != size) { + m_size = size; + m_geometryDirty = true; + } +} + +void QSGD3D12SpriteNode::setFiltering(QSGTexture::Filtering filtering) +{ + m_material->texture->setFiltering(filtering); + markDirty(DirtyMaterial); +} + +void QSGD3D12SpriteNode::update() +{ + if (m_geometryDirty) { + m_geometryDirty = false; + updateGeometry(); + } +} + +void QSGD3D12SpriteNode::updateGeometry() +{ + if (!m_material->texture) + return; + + SpriteVertices *p = static_cast<SpriteVertices *>(m_geometry->vertexData()); + const QRectF texRect = m_material->texture->normalizedTextureSubRect(); + + p->v1.tx = texRect.topLeft().x(); + p->v1.ty = texRect.topLeft().y(); + + p->v2.tx = texRect.topRight().x(); + p->v2.ty = texRect.topRight().y(); + + p->v3.tx = texRect.bottomLeft().x(); + p->v3.ty = texRect.bottomLeft().y(); + + p->v4.tx = texRect.bottomRight().x(); + p->v4.ty = texRect.bottomRight().y(); + + p->v1.x = 0; + p->v1.y = 0; + + p->v2.x = m_size.width(); + p->v2.y = 0; + + p->v3.x = 0; + p->v3.y = m_size.height(); + + p->v4.x = m_size.width(); + p->v4.y = m_size.height(); + + markDirty(DirtyGeometry); +} + +QT_END_NAMESPACE |