X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbatch.h;h=dcc2168b312f7c6323442b7e2b52296639156ff7;hb=50175b88e2f189e80881d292dcc32523c5b272fc;hp=2b907d4846bc0032e51f1160678b48d779a6350f;hpb=ceae2a27dfc58310c5bab7e3aa3fedf0fa9a1f49;p=libs%2Fgl.git diff --git a/source/batch.h b/source/batch.h index 2b907d48..dcc2168b 100644 --- a/source/batch.h +++ b/source/batch.h @@ -1,20 +1,24 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007, 2009-2010 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_BATCH_H_ #define MSP_GL_BATCH_H_ #include #include +#include "datatype.h" #include "primitivetype.h" namespace Msp { namespace GL { +class Buffer; + +/** +Stores primitive type and element indices for a single GL draw call. Data +type for indices is automatically chosen to accommodate the largest index in +the Batch. + +This is a pretty low-level class and mainly intended to be used by the Mesh +class. +*/ class Batch { public: @@ -27,21 +31,44 @@ public: }; private: - PrimitiveType type; - std::vector indices; + PrimitiveType prim_type; + DataType data_type; + std::vector data; unsigned min_index; unsigned max_index; + bool restart; + Buffer *ibuf; + unsigned ibuf_offset; + Batch *next_in_ibuf; + Batch *prev_in_ibuf; + mutable bool dirty; + + static unsigned restart_index; public: Batch(PrimitiveType t); + ~Batch(); + PrimitiveType get_type() const { return prim_type; } + void set_data_type(DataType); + DataType get_data_type() const { return data_type; } + void use_index_buffer(Buffer *, Batch * = 0); +private: + void unlink_from_ibuf(); + void update_ibuf_offsets(); + +public: Batch &append(unsigned); void append(const std::vector &); - PrimitiveType get_type() const { return type; } - unsigned size() const { return indices.size(); } - const std::vector &get_indices() const { return indices; } + void append(const Batch &); +private: + unsigned get_index_size() const; +public: + unsigned size() const { return data.size()/get_index_size(); } + + unsigned get_index(unsigned) const; + void draw() const; - void draw_with_buffer(unsigned) const; }; } // namespace GL