X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fvertexarray.h;h=efbf8ce27cb2f4ef25c74c5b14c49ce1b2c2dd02;hb=42923751e8e2ef1472058f32194ad95d47d073ea;hp=9fa55b7117c32fdc2901c74215223b6616f9fa53;hpb=0ef8e620a008e92069b0dd9ae4e972bc69430fc7;p=libs%2Fgl.git diff --git a/source/vertexarray.h b/source/vertexarray.h index 9fa55b71..efbf8ce2 100644 --- a/source/vertexarray.h +++ b/source/vertexarray.h @@ -17,6 +17,16 @@ namespace GL { class Buffer; +/** +Stores vertex data. + +The array's contents can be modified with the append and modify methods. To +obtain the location of an individual component within the vertex, use +VertexFormat::offset. + +A higher-level interface for filling in vertex data is available in the +VertexArrayBuilder class. +*/ class VertexArray: public Bindable, public Bufferable { public: @@ -46,18 +56,24 @@ public: VertexArray(const VertexFormat &); ~VertexArray(); + /// Resets the VertexArray to a different format. All data is cleared. void reset(const VertexFormat &); + const VertexFormat &get_format() const { return format; } private: static unsigned get_array_slot(unsigned char); public: - /// Deprecated alias for use_buffer - void use_vertex_buffer(Buffer *b) { use_buffer(b); } - + /// Clears all vertices from the array. void clear(); + + /// Reserve space for vertices. void reserve(unsigned); + + /// Append a new vertex at the end of the array and return its location. float *append(); + + /// Returns the location of a vertex for modification. float *modify(unsigned); private: virtual unsigned get_data_size() const; @@ -68,8 +84,12 @@ public: const std::vector &get_data() const { return data; } const float *operator[](unsigned i) const { return &data[0]+i*stride; } - void bind() const; - void apply() const { bind(); } + /// Equivalent to apply(). For compatibility with the Bindable interface. + void bind() const { apply(); } + + /// Applies component arrays to the GL. + void apply() const; + private: static void apply_arrays(const std::vector *, const std::vector *, const float *, unsigned); public: