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| |
| #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 |