Use new QTextureFileData::getDataView method

Change-Id: Ib675bfaa3fd818ef3e372bc2affd87e0d9d8f480
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture.cpp

@@ -68,14 +68,14 @@ Atlas::~Atlas()
 {
 }
 
-Texture *Atlas::create(const QByteArray &data, int dataLength, int dataOffset, const QSize &size)
+Texture *Atlas::create(QByteArrayView data, const QSize &size)
 {
     // Align reservation to 16x16, >= any compressed block size
     QSize paddedSize(((size.width() + 15) / 16) * 16, ((size.height() + 15) / 16) * 16);
     // No need to lock, as manager already locked it.
     QRect rect = m_allocator.allocate(paddedSize);
     if (rect.width() > 0 && rect.height() > 0) {
-        Texture *t = new Texture(this, rect, data, dataLength, dataOffset, size);
+        Texture *t = new Texture(this, rect, data, size);
         m_pending_uploads << t;
         return t;
     }
@@ -109,8 +109,8 @@ void Atlas::enqueueTextureUpload(QSGRhiAtlasTexture::TextureBase *t, QRhiResourc
 
     const QRect &r = texture->atlasSubRect();
 
-    const char *rawData = texture->data().constData() + texture->dataOffset();
-    QRhiTextureSubresourceUploadDescription subresDesc(rawData, texture->sizeInBytes());
+    QRhiTextureSubresourceUploadDescription subresDesc(texture->data().constData(),
+                                                       texture->sizeInBytes());
     subresDesc.setSourceSize(texture->textureSize());
     subresDesc.setDestinationTopLeft(r.topLeft());
 
@@ -121,14 +121,10 @@ void Atlas::enqueueTextureUpload(QSGRhiAtlasTexture::TextureBase *t, QRhiResourc
             t->textureSize().width(), t->textureSize().height(), m_format);
 }
 
-Texture::Texture(Atlas *atlas, const QRect &textureRect, const QByteArray &data, int dataLength,
-                 int dataOffset, const QSize &size)
+Texture::Texture(Atlas *atlas, const QRect &textureRect, QByteArrayView data, const QSize &size)
     : QSGRhiAtlasTexture::TextureBase(atlas, textureRect),
       m_nonatlas_texture(nullptr),
-      m_data(data),
-      m_size(size),
-      m_dataLength(dataLength),
-      m_dataOffset(dataOffset)
+      m_data(data.toByteArray())
 {
     float w = atlas->size().width();
     float h = atlas->size().height();
@@ -163,8 +159,6 @@ QSGTexture *Texture::removedFromAtlas(QRhiResourceUpdateBatch *) const
         texData.setData(m_data);
         texData.setSize(m_size);
         texData.setGLInternalFormat(static_cast<Atlas*>(m_atlas)->format());
-        texData.setDataLength(m_dataLength);
-        texData.setDataOffset(m_dataOffset);
         m_nonatlas_texture = new QSGCompressedTexture(texData);
         m_nonatlas_texture->setMipmapFiltering(mipmapFiltering());
         m_nonatlas_texture->setFiltering(filtering());

src/quick/scenegraph/compressedtexture/qsgcompressedatlastexture_p.h

@@ -75,7 +75,7 @@ public:
     void enqueueTextureUpload(QSGRhiAtlasTexture::TextureBase *t,
                               QRhiResourceUpdateBatch *rcub) override;
 
-    Texture *create(const QByteArray &data, int dataLength, int dataOffset, const QSize &size);
+    Texture *create(QByteArrayView data, const QSize &size);
 
     uint format() const { return m_format; }
 
@@ -87,7 +87,7 @@ class Texture : public QSGRhiAtlasTexture::TextureBase
 {
     Q_OBJECT
 public:
-    Texture(Atlas *atlas, const QRect &textureRect, const QByteArray &data, int dataLength, int dataOffset, const QSize &size);
+    Texture(Atlas *atlas, const QRect &textureRect, QByteArrayView data, const QSize &size);
     ~Texture();
 
     QSize textureSize() const override { return m_size; }
@@ -99,16 +99,13 @@ public:
     QSGTexture *removedFromAtlas(QRhiResourceUpdateBatch *) const override;
 
     const QByteArray &data() const { return m_data; }
-    int sizeInBytes() const { return m_dataLength; }
-    int dataOffset() const { return m_dataOffset; }
+    int sizeInBytes() const { return m_data.length(); }
 
 private:
     QRectF m_texture_coords_rect;
     mutable QSGTexture *m_nonatlas_texture;
     QByteArray m_data;
     QSize m_size;
-    int m_dataLength;
-    int m_dataOffset;
 };
 
 }

src/quick/scenegraph/compressedtexture/qsgcompressedtexture.cpp

@@ -397,8 +397,11 @@ void QSGCompressedTexture::commitTextureOperations(QRhi *rhi, QRhiResourceUpdate
     }
 
     // only upload mip level 0 since we never do mipmapping for compressed textures (for now?)
-    resourceUpdates->uploadTexture(m_texture, QRhiTextureUploadEntry(0, 0,
-        { m_textureData.data().constData() + m_textureData.dataOffset(), m_textureData.dataLength() }));
+    resourceUpdates->uploadTexture(
+            m_texture,
+            QRhiTextureUploadEntry(0, 0,
+                                   QRhiTextureSubresourceUploadDescription(
+                                           m_textureData.getDataView().toByteArray())));
 
     m_textureData = QTextureFileData(); // Release this memory, not needed anymore
 }
@@ -454,7 +457,7 @@ QSGTexture *QSGCompressedTextureFactory::createTexture(QQuickWindow *window) con
 
 int QSGCompressedTextureFactory::textureByteCount() const
 {
-    return qMax(0, m_textureData.data().size() - m_textureData.dataOffset());
+    return m_textureData.getDataView().size();
 }
 
 QSize QSGCompressedTextureFactory::textureSize() const

src/quick/scenegraph/util/qsgrhiatlastexture.cpp

@@ -140,7 +140,7 @@ QSGTexture *Manager::create(const QSGCompressedTextureFactory *factory)
             i = m_atlases.insert(format, newAtlas);
         }
         const QTextureFileData *cmpData = factory->textureData();
-        t = i.value()->create(cmpData->data(), cmpData->dataLength(), cmpData->dataOffset(), size);
+        t = i.value()->create(cmpData->getDataView(), size);
     }
 
     return t;