X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fvertexarray.h;h=95a6ec2f3aa526ac11165b4f24e77e5d30d67b10;hp=9610905d218994fcb2e539a6fe06d1a4e3934a41;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=85facfb688035b5bbc9a3a87d080582fbf34930b diff --git a/source/vertexarray.h b/source/vertexarray.h index 9610905d..95a6ec2f 100644 --- a/source/vertexarray.h +++ b/source/vertexarray.h @@ -1,26 +1,32 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_VERTEXARRAY_H_ #define MSP_GL_VERTEXARRAY_H_ +#include #include #include #include -#include "types.h" +#include "bufferable.h" +#include "datatype.h" +#include "primitivetype.h" #include "vertexarraybuilder.h" #include "vertexformat.h" namespace Msp { namespace GL { -class VertexBuffer; +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. -class VertexArray +A higher-level interface for filling in vertex data is available in the +VertexArrayBuilder class. +*/ +class VertexArray: public Bufferable { public: class Loader: public DataFile::Loader, public VertexArrayBuilder @@ -29,30 +35,40 @@ public: Loader(VertexArray &); }; - VertexArray(VertexFormat); - ~VertexArray(); - - VertexFormat get_format() const { return format; } - const std::vector &get_data() const { return data; } - void use_vertex_buffer(); - void use_vertex_buffer(VertexBuffer *); - void clear(); - void reset(VertexFormat); - RefPtr modify(); - void apply() const; - void update_data(); private: VertexFormat format; std::vector data; - uint stride; - VertexBuffer *vbuf; - bool own_vbuf; + unsigned stride; VertexArray(const VertexArray &); VertexArray &operator=(const VertexArray &); - void set_array(unsigned, unsigned, unsigned) const; +public: + VertexArray(const VertexFormat &); - static unsigned enabled_arrays; + /// Resets the VertexArray to a different format. All data is cleared. + void reset(const VertexFormat &); + + const VertexFormat &get_format() const { return format; } + + /// 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; + virtual const void *get_data_pointer() const { return &data[0]; } + +public: + unsigned size() const { return data.size()/stride; } + const std::vector &get_data() const { return data; } + const float *operator[](unsigned i) const { return &data[0]+i*stride; } }; } // namespace GL