Primitives: mark primitive data as global where appropriate.

doc/changelog.dox

@@ -683,6 +683,8 @@ See also:
     importers to reason about ownership of passed data instead of being forced
     to allocate a local copy, saving as much as half memory in certain
     importer implementations
+-   New @ref Trade::DataFlag::Global flag to annotate data referencing global
+    memory, such as @ref Primitives::cubeSolid()
 -   @ref Trade::AbstractImageConverter::doConvertToFile() and
     @ref Trade::AbstractSceneConverter::doConvertToFile() are now
     @cpp protected @ce instead of @cpp private @ce to allow calling them from

src/Magnum/MeshTools/Test/ReferenceTest.cpp

@@ -215,8 +215,8 @@ void ReferenceTest::mutableReferenceNotMutable() {
     CORRADE_SKIP_IF_NO_ASSERT();
 
     Trade::MeshData cube = Primitives::cubeSolid();
-    CORRADE_COMPARE(cube.indexDataFlags(), Trade::DataFlags{});
-    CORRADE_COMPARE(cube.vertexDataFlags(), Trade::DataFlags{});
+    CORRADE_COMPARE(cube.indexDataFlags(), Trade::DataFlag::Global);
+    CORRADE_COMPARE(cube.vertexDataFlags(), Trade::DataFlag::Global);
 
     std::ostringstream out;
     Error redirectError{&out};
@@ -226,8 +226,8 @@ void ReferenceTest::mutableReferenceNotMutable() {
 
 void ReferenceTest::owned() {
     Trade::MeshData cube = Primitives::cubeSolid();
-    CORRADE_COMPARE(cube.indexDataFlags(), Trade::DataFlags{});
-    CORRADE_COMPARE(cube.vertexDataFlags(), Trade::DataFlags{});
+    CORRADE_COMPARE(cube.indexDataFlags(), Trade::DataFlag::Global);
+    CORRADE_COMPARE(cube.vertexDataFlags(), Trade::DataFlag::Global);
 
     Trade::MeshData owned = MeshTools::owned(cube);
     CORRADE_VERIFY(owned.isIndexed());
@@ -258,7 +258,7 @@ void ReferenceTest::owned() {
 void ReferenceTest::ownedNoIndexData() {
     Trade::MeshData cube = Primitives::cubeSolidStrip();
     CORRADE_VERIFY(!cube.isIndexed());
-    CORRADE_COMPARE(cube.vertexDataFlags(), Trade::DataFlags{});
+    CORRADE_COMPARE(cube.vertexDataFlags(), Trade::DataFlag::Global);
 
     Trade::MeshData owned = MeshTools::owned(cube);
     CORRADE_VERIFY(!owned.isIndexed());

src/Magnum/Primitives/Axis.cpp

@@ -112,14 +112,14 @@ constexpr Trade::MeshAttributeData Attributes3D[]{
 
 Trade::MeshData axis2D() {
     return Trade::MeshData{MeshPrimitive::Lines,
-        {}, Indices2D, Trade::MeshIndexData{Indices2D},
-        {}, Vertices2D, Trade::meshAttributeDataNonOwningArray(Attributes2D)};
+        Trade::DataFlag::Global, Indices2D, Trade::MeshIndexData{Indices2D},
+        Trade::DataFlag::Global, Vertices2D, Trade::meshAttributeDataNonOwningArray(Attributes2D)};
 }
 
 Trade::MeshData axis3D() {
     return Trade::MeshData{MeshPrimitive::Lines,
-        {}, Indices3D, Trade::MeshIndexData{Indices3D},
-        {}, Vertices3D, Trade::meshAttributeDataNonOwningArray(Attributes3D)};
+        Trade::DataFlag::Global, Indices3D, Trade::MeshIndexData{Indices3D},
+        Trade::DataFlag::Global, Vertices3D, Trade::meshAttributeDataNonOwningArray(Attributes3D)};
 }
 
 }}

src/Magnum/Primitives/Axis.h

@@ -41,8 +41,8 @@ Two color-coded arrows for visualizing orientation (XY is RG), going from
 @cpp 0.0f @ce to @cpp 1.0f @ce on the X and Y axis. @ref MeshPrimitive::Lines
 with @ref MeshIndexType::UnsignedShort indices, interleaved
 @ref VertexFormat::Vector2 positions and @ref VertexFormat::Vector3 colors. The
-returned instance references data stored in constant memory --- pass the data
-through @ref MeshTools::owned() to get a mutable copy, if needed.
+returned instance references @ref Trade::DataFlag::Global data --- pass the
+mesh through @ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-axis2d.png width=256px
 
@@ -57,8 +57,8 @@ Three color-coded arrows for visualizing orientation (XYZ is RGB), going from
 @cpp 0.0f @ce to @cpp 1.0f @ce on the X, Y and Z axis.
 @ref MeshPrimitive::Lines with @ref MeshIndexType::UnsignedShort indices,
 interleaved @ref VertexFormat::Vector3 positions and @ref VertexFormat::Vector3
-colors. The returned instance references data stored in constant memory ---
-pass the data through @ref MeshTools::owned() to get a mutable copy, if needed.
+colors. The returned instance references @ref Trade::DataFlag::Global data ---
+pass the mesh through @ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-axis3d.png width=256px
 

src/Magnum/Primitives/Crosshair.cpp

@@ -71,12 +71,14 @@ constexpr Trade::MeshAttributeData Attributes3D[]{
 }
 
 Trade::MeshData crosshair2D() {
-    return Trade::MeshData{MeshPrimitive::Lines, {}, Vertices2D,
+    return Trade::MeshData{MeshPrimitive::Lines,
+        Trade::DataFlag::Global, Vertices2D,
         Trade::meshAttributeDataNonOwningArray(Attributes2D)};
 }
 
 Trade::MeshData crosshair3D() {
-    return Trade::MeshData{MeshPrimitive::Lines, {}, Vertices3D,
+    return Trade::MeshData{MeshPrimitive::Lines,
+        Trade::DataFlag::Global, Vertices3D,
         Trade::meshAttributeDataNonOwningArray(Attributes3D)};
 }
 

src/Magnum/Primitives/Crosshair.h

@@ -39,8 +39,8 @@ namespace Magnum { namespace Primitives {
 
 2x2 crosshair (two crossed lines), centered at origin. Non-indexed
 @ref MeshPrimitive::Lines with @ref VertexFormat::Vector2 positions. The
-returned instance references data astored in constant memory --- pass the data
-through @ref MeshTools::owned() to get a mutable copy, if needed.
+returned instance references @ref Trade::DataFlag::Global data --- pass the
+mesh through @ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-crosshair2d.png width=256px
 
@@ -53,8 +53,8 @@ MAGNUM_PRIMITIVES_EXPORT Trade::MeshData crosshair2D();
 
 2x2x2 crosshair (three crossed lines), centered at origin. Non-indexed
 @ref MeshPrimitive::Lines with @ref VertexFormat::Vector3 positions. The
-returned instance references data stored in constant memory --- pass the data
-through @ref MeshTools::owned() to get a mutable copy, if needed.
+returned instance references @ref Trade::DataFlag::Global data --- pass the
+mesh through @ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-crosshair3d.png width=256px
 

src/Magnum/Primitives/Cube.cpp

@@ -89,8 +89,8 @@ constexpr Trade::MeshAttributeData AttributesSolid[]{
 
 Trade::MeshData cubeSolid() {
     return Trade::MeshData{MeshPrimitive::Triangles,
-        {}, IndicesSolid, Trade::MeshIndexData{IndicesSolid},
-        {}, VerticesSolid, Trade::meshAttributeDataNonOwningArray(AttributesSolid)};
+        Trade::DataFlag::Global, IndicesSolid, Trade::MeshIndexData{IndicesSolid},
+        Trade::DataFlag::Global, VerticesSolid, Trade::meshAttributeDataNonOwningArray(AttributesSolid)};
 }
 
 namespace {
@@ -148,7 +148,7 @@ constexpr Trade::MeshAttributeData AttributesSolidStrip[]{
 
 Trade::MeshData cubeSolidStrip() {
     return Trade::MeshData{MeshPrimitive::TriangleStrip,
-        {}, VerticesSolidStrip, Trade::meshAttributeDataNonOwningArray(AttributesSolidStrip)};
+        Trade::DataFlag::Global, VerticesSolidStrip, Trade::meshAttributeDataNonOwningArray(AttributesSolidStrip)};
 }
 
 namespace {
@@ -185,8 +185,8 @@ constexpr Trade::MeshAttributeData AttributesWireframe[]{
 
 Trade::MeshData cubeWireframe() {
     return Trade::MeshData{MeshPrimitive::Lines,
-        {}, IndicesWireframe, Trade::MeshIndexData{IndicesWireframe},
-        {}, VerticesWireframe, Trade::meshAttributeDataNonOwningArray(AttributesWireframe)};
+        Trade::DataFlag::Global, IndicesWireframe, Trade::MeshIndexData{IndicesWireframe},
+        Trade::DataFlag::Global, VerticesWireframe, Trade::meshAttributeDataNonOwningArray(AttributesWireframe)};
 }
 
 }}

src/Magnum/Primitives/Cube.h

@@ -40,8 +40,8 @@ namespace Magnum { namespace Primitives {
 2x2x2 cube, centered at origin. @ref MeshPrimitive::Triangles with
 @ref MeshIndexType::UnsignedShort indices, interleaved
 @ref VertexFormat::Vector3 positions and flat @ref VertexFormat::Vector3
-normals. The returned instance references data stored in constant memory ---
-pass the data through @ref MeshTools::owned() to get a mutable copy, if needed.
+normals. The returned instance references @ref Trade::DataFlag::Global data ---
+pass the mesh through @ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-cubesolid.png width=256px
 
@@ -55,8 +55,8 @@ MAGNUM_PRIMITIVES_EXPORT Trade::MeshData cubeSolid();
 2x2x2 cube, centered at origin. Non-indexed @ref MeshPrimitive::TriangleStrip
 with @ref VertexFormat::Vector3 positions. No normals or anything else, use
 @ref cubeSolid() instead if you need these. The returned instance references
-data stored in constant memory --- pass the data through @ref MeshTools::owned()
-to get a mutable copy, if needed.
+@ref Trade::DataFlag::Global data --- pass the mesh through
+@ref MeshTools::owned() to get a mutable copy, if needed.
 
 Vertex positions of this mesh can be also generated directly in the vertex
 shader using @glsl gl_VertexID @ce ([source](https://twitter.com/turanszkij/status/1141638406956617730),
@@ -73,8 +73,9 @@ MAGNUM_PRIMITIVES_EXPORT Trade::MeshData cubeSolidStrip();
 
 2x2x2 cube, centered at origin. @ref MeshPrimitive::Lines with
 @ref MeshIndexType::UnsignedShort indices and @ref VertexFormat::Vector3
-positions. The returned instance references data stored in constant memory ---
-pass the data through @ref MeshTools::owned() to get a mutable copy, if needed.
+positions. The returned instance references @ref Trade::DataFlag::Global data
+--- pass the mesh through @ref MeshTools::owned() to get a mutable copy, if
+needed.
 
 @image html primitives-cubewireframe.png width=256px
 

src/Magnum/Primitives/Plane.cpp

@@ -59,7 +59,7 @@ constexpr Trade::MeshAttributeData AttributesSolid[]{
 
 Trade::MeshData planeSolid() {
     return Trade::MeshData{MeshPrimitive::TriangleStrip,
-        {}, VerticesSolid,
+        Trade::DataFlag::Global, VerticesSolid,
         Trade::meshAttributeDataNonOwningArray(AttributesSolid)};
 }
 
@@ -171,7 +171,7 @@ constexpr Trade::MeshAttributeData AttributesWireframe[]{
 
 Trade::MeshData planeWireframe() {
     return Trade::MeshData{MeshPrimitive::LineLoop,
-        {}, VerticesWireframe,
+        Trade::DataFlag::Global, VerticesWireframe,
         Trade::meshAttributeDataNonOwningArray(AttributesWireframe)};
 }
 

src/Magnum/Primitives/Plane.h

@@ -88,9 +88,9 @@ enum class CORRADE_DEPRECATED_ENUM("use PlaneFlags instead") PlaneTextureCoords:
 @ref MeshPrimitive::TriangleStrip with @ref VertexFormat::Vector3 positions,
 @ref VertexFormat::Vector3 normals in positive Z direction, optional
 @ref VertexFormat::Vector4 tangents and optional @ref VertexFormat::Vector2
-texture coordinates. The returned instance may reference data stored in
-constant memory --- pass the data through @ref MeshTools::owned() to get a
-mutable copy, if needed.
+texture coordinates. The returned instance may reference
+@ref Trade::DataFlag::Global data --- pass the mesh through
+@ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-planesolid.png width=256px
 
@@ -119,8 +119,9 @@ CORRADE_IGNORE_DEPRECATED_POP
 
 2x2 square on the XY plane, centered at origin. Non-indexed
 @ref MeshPrimitive::LineLoop on the XY plane with @ref VertexFormat::Vector3
-positions. The returned instance references data stored in constant memory ---
-pass the data through @ref MeshTools::owned() to get a mutable copy, if needed.
+positions. The returned instance references @ref Trade::DataFlag::Global data
+--- pass the mesh through @ref MeshTools::owned() to get a mutable copy, if
+needed.
 
 @image html primitives-planewireframe.png width=256px
 

src/Magnum/Primitives/Square.cpp

@@ -77,11 +77,11 @@ constexpr Trade::MeshAttributeData AttributesSolidTextureCoords[]{
 Trade::MeshData squareSolid(const SquareFlags flags) {
     if(flags & SquareFlag::TextureCoordinates)
         return Trade::MeshData{MeshPrimitive::TriangleStrip,
-            {}, VerticesSolidTextureCoords,
+            Trade::DataFlag::Global, VerticesSolidTextureCoords,
             Trade::meshAttributeDataNonOwningArray(AttributesSolidTextureCoords)};
 
     return Trade::MeshData{MeshPrimitive::TriangleStrip,
-        {}, VerticesSolid,
+        Trade::DataFlag::Global, VerticesSolid,
         Trade::meshAttributeDataNonOwningArray(AttributesSolid)};
 }
 
@@ -116,7 +116,7 @@ constexpr Trade::MeshAttributeData AttributesWireframe[]{
 
 Trade::MeshData squareWireframe() {
     return Trade::MeshData{MeshPrimitive::LineLoop,
-        {}, VerticesWireframe,
+        Trade::DataFlag::Global, VerticesWireframe,
         Trade::meshAttributeDataNonOwningArray(AttributesWireframe)};
 }
 

src/Magnum/Primitives/Square.h

@@ -79,7 +79,7 @@ enum class CORRADE_DEPRECATED_ENUM("use SquareFlags instead") SquareTextureCoord
 2x2 square, centered at origin. Non-indexed @ref MeshPrimitive::TriangleStrip
 with interleaved @ref VertexFormat::Vector2 positions and optional
 @ref VertexFormat::Vector2 texture coordinates. The returned instance
-references data stored in constant memory --- pass the data through
+references @ref Trade::DataFlag::Global data --- pass the mesh through
 @ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-squaresolid.png width=256px
@@ -103,9 +103,9 @@ CORRADE_IGNORE_DEPRECATED_POP
 @brief Wireframe 2D square
 
 2x2 square, centered at origin. Non-indexed @ref MeshPrimitive::LineLoop with
-@ref VertexFormat::Vector2 positions. The returned instance references data
-stored in constant memory --- pass the data through @ref MeshTools::owned() to
-get a mutable copy, if needed.
+@ref VertexFormat::Vector2 positions. The returned instance references
+@ref Trade::DataFlag::Global data --- pass the mesh through
+@ref MeshTools::owned() to get a mutable copy, if needed.
 
 @image html primitives-squarewireframe.png width=256px