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| |
| #include "qsgdefaultinternalimagenode_p.h" |
| #include <private/qsgdefaultrendercontext_p.h> |
| #include <private/qsgmaterialshader_p.h> |
| #include <private/qsgtexturematerial_p.h> |
| #include <QtGui/qopenglfunctions.h> |
| #include <QtCore/qmath.h> |
| #include <QtGui/private/qrhi_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class SmoothTextureMaterialShader : public QSGTextureMaterialShader |
| { |
| public: |
| SmoothTextureMaterialShader(); |
| |
| void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) override; |
| char const *const *attributeNames() const override; |
| |
| protected: |
| void initialize() override; |
| |
| int m_pixelSizeLoc; |
| }; |
| |
| class SmoothTextureMaterialRhiShader : public QSGTextureMaterialRhiShader |
| { |
| public: |
| SmoothTextureMaterialRhiShader(); |
| |
| bool updateUniformData(RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial) override; |
| }; |
| |
| |
| QSGSmoothTextureMaterial::QSGSmoothTextureMaterial() |
| { |
| setFlag(SupportsRhiShader, true); |
| setFlag(RequiresFullMatrixExceptTranslate, true); |
| setFlag(Blending, true); |
| } |
| |
| void QSGSmoothTextureMaterial::setTexture(QSGTexture *texture) |
| { |
| m_texture = texture; |
| } |
| |
| QSGMaterialType *QSGSmoothTextureMaterial::type() const |
| { |
| static QSGMaterialType type; |
| return &type; |
| } |
| |
| QSGMaterialShader *QSGSmoothTextureMaterial::createShader() const |
| { |
| if (flags().testFlag(RhiShaderWanted)) |
| return new SmoothTextureMaterialRhiShader; |
| else |
| return new SmoothTextureMaterialShader; |
| } |
| |
| SmoothTextureMaterialShader::SmoothTextureMaterialShader() |
| { |
| setShaderSourceFile(QOpenGLShader::Vertex, QStringLiteral(":/qt-project.org/scenegraph/shaders/smoothtexture.vert")); |
| setShaderSourceFile(QOpenGLShader::Fragment, QStringLiteral(":/qt-project.org/scenegraph/shaders/smoothtexture.frag")); |
| } |
| |
| void SmoothTextureMaterialShader::updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) |
| { |
| if (oldEffect == nullptr) { |
| // The viewport is constant, so set the pixel size uniform only once. |
| QRect r = state.viewportRect(); |
| program()->setUniformValue(m_pixelSizeLoc, 2.0f / r.width(), 2.0f / r.height()); |
| } |
| QSGTextureMaterialShader::updateState(state, newEffect, oldEffect); |
| } |
| |
| char const *const *SmoothTextureMaterialShader::attributeNames() const |
| { |
| static char const *const attributes[] = { |
| "vertex", |
| "multiTexCoord", |
| "vertexOffset", |
| "texCoordOffset", |
| nullptr |
| }; |
| return attributes; |
| } |
| |
| void SmoothTextureMaterialShader::initialize() |
| { |
| m_pixelSizeLoc = program()->uniformLocation("pixelSize"); |
| QSGTextureMaterialShader::initialize(); |
| } |
| |
| SmoothTextureMaterialRhiShader::SmoothTextureMaterialRhiShader() |
| { |
| setShaderFileName(VertexStage, QStringLiteral(":/qt-project.org/scenegraph/shaders_ng/smoothtexture.vert.qsb")); |
| setShaderFileName(FragmentStage, QStringLiteral(":/qt-project.org/scenegraph/shaders_ng/smoothtexture.frag.qsb")); |
| } |
| |
| bool SmoothTextureMaterialRhiShader::updateUniformData(RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial) |
| { |
| bool changed = false; |
| QByteArray *buf = state.uniformData(); |
| |
| if (!oldMaterial) { |
| // The viewport is constant, so set the pixel size uniform only once (per batches with the same material). |
| const QRect r = state.viewportRect(); |
| const QVector2D v(2.0f / r.width(), 2.0f / r.height()); |
| memcpy(buf->data() + 64 + 8, &v, 8); |
| changed = true; |
| } |
| |
| changed |= QSGTextureMaterialRhiShader::updateUniformData(state, newMaterial, oldMaterial); |
| |
| return changed; |
| } |
| |
| |
| QSGDefaultInternalImageNode::QSGDefaultInternalImageNode(QSGDefaultRenderContext *rc) |
| : m_rc(rc) |
| { |
| setMaterial(&m_materialO); |
| setOpaqueMaterial(&m_material); |
| } |
| |
| void QSGDefaultInternalImageNode::setFiltering(QSGTexture::Filtering filtering) |
| { |
| if (m_material.filtering() == filtering) |
| return; |
| |
| m_material.setFiltering(filtering); |
| m_materialO.setFiltering(filtering); |
| m_smoothMaterial.setFiltering(filtering); |
| markDirty(DirtyMaterial); |
| } |
| |
| void QSGDefaultInternalImageNode::setMipmapFiltering(QSGTexture::Filtering filtering) |
| { |
| if (m_material.mipmapFiltering() == filtering) |
| return; |
| |
| m_material.setMipmapFiltering(filtering); |
| m_materialO.setMipmapFiltering(filtering); |
| m_smoothMaterial.setMipmapFiltering(filtering); |
| markDirty(DirtyMaterial); |
| } |
| |
| void QSGDefaultInternalImageNode::setVerticalWrapMode(QSGTexture::WrapMode wrapMode) |
| { |
| if (m_material.verticalWrapMode() == wrapMode) |
| return; |
| |
| m_material.setVerticalWrapMode(wrapMode); |
| m_materialO.setVerticalWrapMode(wrapMode); |
| m_smoothMaterial.setVerticalWrapMode(wrapMode); |
| markDirty(DirtyMaterial); |
| } |
| |
| void QSGDefaultInternalImageNode::setHorizontalWrapMode(QSGTexture::WrapMode wrapMode) |
| { |
| if (m_material.horizontalWrapMode() == wrapMode) |
| return; |
| |
| m_material.setHorizontalWrapMode(wrapMode); |
| m_materialO.setHorizontalWrapMode(wrapMode); |
| m_smoothMaterial.setHorizontalWrapMode(wrapMode); |
| markDirty(DirtyMaterial); |
| } |
| |
| void QSGDefaultInternalImageNode::updateMaterialAntialiasing() |
| { |
| if (m_antialiasing) { |
| setMaterial(&m_smoothMaterial); |
| setOpaqueMaterial(nullptr); |
| } else { |
| setMaterial(&m_materialO); |
| setOpaqueMaterial(&m_material); |
| } |
| } |
| |
| void QSGDefaultInternalImageNode::setMaterialTexture(QSGTexture *texture) |
| { |
| m_material.setTexture(texture); |
| m_materialO.setTexture(texture); |
| m_smoothMaterial.setTexture(texture); |
| } |
| |
| QSGTexture *QSGDefaultInternalImageNode::materialTexture() const |
| { |
| return m_material.texture(); |
| } |
| |
| bool QSGDefaultInternalImageNode::updateMaterialBlending() |
| { |
| const bool alpha = m_material.flags() & QSGMaterial::Blending; |
| if (materialTexture() && alpha != materialTexture()->hasAlphaChannel()) { |
| m_material.setFlag(QSGMaterial::Blending, !alpha); |
| return true; |
| } |
| return false; |
| } |
| |
| inline static bool isPowerOfTwo(int x) |
| { |
| // Assumption: x >= 1 |
| return x == (x & -x); |
| } |
| |
| bool QSGDefaultInternalImageNode::supportsWrap(const QSize &size) const |
| { |
| bool wrapSupported = true; |
| |
| if (m_rc->rhi()) { |
| wrapSupported = m_rc->rhi()->isFeatureSupported(QRhi::NPOTTextureRepeat) |
| || (isPowerOfTwo(size.width()) && isPowerOfTwo(size.height())); |
| } else { |
| QOpenGLContext *ctx = QOpenGLContext::currentContext(); |
| #ifndef QT_OPENGL_ES_2 |
| if (ctx->isOpenGLES()) |
| #endif |
| { |
| bool npotSupported = ctx->functions()->hasOpenGLFeature(QOpenGLFunctions::NPOTTextureRepeat); |
| const bool isNpot = !isPowerOfTwo(size.width()) || !isPowerOfTwo(size.height()); |
| wrapSupported = npotSupported || !isNpot; |
| } |
| } |
| |
| return wrapSupported; |
| } |
| |
| QT_END_NAMESPACE |