X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fvertexarray.h;h=95a6ec2f3aa526ac11165b4f24e77e5d30d67b10;hp=3b67527864a014908b3b2349d3616a455ec39699;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=249ce48a66074d0f0b6e23caeb77fad7c3d238ae diff --git a/source/vertexarray.h b/source/vertexarray.h index 3b675278..95a6ec2f 100644 --- a/source/vertexarray.h +++ b/source/vertexarray.h @@ -1,10 +1,3 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007-2010 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_VERTEXARRAY_H_ #define MSP_GL_VERTEXARRAY_H_ @@ -12,6 +5,7 @@ Distributed under the LGPL #include #include #include +#include "bufferable.h" #include "datatype.h" #include "primitivetype.h" #include "vertexarraybuilder.h" @@ -22,7 +16,17 @@ namespace GL { class Buffer; -class VertexArray +/** +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 Bufferable { public: class Loader: public DataFile::Loader, public VertexArrayBuilder @@ -32,70 +36,40 @@ public: }; private: - struct ArrayMask - { - enum - { - B = (sizeof(unsigned)*CHAR_BIT), - N = (63+B)/B - }; - - unsigned mask[N]; - - ArrayMask(); - - void set(unsigned); - bool is_set(unsigned) const; - }; - VertexFormat format; std::vector data; unsigned stride; - RefPtr vbuf; - bool defer_vbuf; - mutable bool dirty; - - static ArrayMask enabled_arrays; VertexArray(const VertexArray &); VertexArray &operator=(const VertexArray &); public: VertexArray(const VertexFormat &); - ~VertexArray(); - const VertexFormat &get_format() const { return format; } - const std::vector &get_data() const { return data; } - void use_vertex_buffer(); - void use_vertex_buffer(Buffer *); - void reserve(unsigned); - unsigned size() const { return data.size()/stride; } - void clear(); - void reset(const VertexFormat &); - void apply() const; - float *append(); - float *modify(unsigned); - const float *operator[](unsigned i) const { return &data[0]+i*stride; } + /// Resets the VertexArray to a different format. All data is cleared. + void reset(const VertexFormat &); -private: - void set_dirty(); -}; + const VertexFormat &get_format() const { return format; } -void array_element(int); -void draw_arrays(PrimitiveType, int, unsigned); -void draw_elements(PrimitiveType, unsigned, DataType, const void *); -void draw_range_elements(PrimitiveType, unsigned, unsigned, unsigned, DataType, const void *); + /// Clears all vertices from the array. + void clear(); -inline void draw_elements(PrimitiveType mode, unsigned count, const unsigned *indices) -{ draw_elements(mode, count, UNSIGNED_INT, indices); } + /// Reserve space for vertices. + void reserve(unsigned); -inline void draw_elements(PrimitiveType mode, unsigned count, const unsigned short *indices) -{ draw_elements(mode, count, UNSIGNED_SHORT, indices); } + /// Append a new vertex at the end of the array and return its location. + float *append(); -inline void draw_range_elements(PrimitiveType mode, unsigned low, unsigned high, unsigned count, const unsigned short *indices) -{ draw_range_elements(mode, low, high, count, UNSIGNED_SHORT, indices); } + /// 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]; } -inline void draw_range_elements(PrimitiveType mode, unsigned low, unsigned high, unsigned count, const unsigned *indices) -{ draw_range_elements(mode, low, high, count, UNSIGNED_INT, indices); } +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 } // namespace Msp