441 lines
15 KiB
C
441 lines
15 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file geomVertexColumn.h
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* @author drose
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* @date 2005-03-06
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*/
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#ifndef GEOMVERTEXCOLUMN_H
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#define GEOMVERTEXCOLUMN_H
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#include "pandabase.h"
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#include "geomEnums.h"
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#include "internalName.h"
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#include "pointerTo.h"
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#include "luse.h"
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class TypedWritable;
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class BamWriter;
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class BamReader;
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class Datagram;
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class DatagramIterator;
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class GeomVertexReader;
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class GeomVertexWriter;
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/**
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* This defines how a single column is interleaved within a vertex array
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* stored within a Geom. The GeomVertexArrayFormat class maintains a list of
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* these to completely define a particular array structure.
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*/
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class EXPCL_PANDA_GOBJ GeomVertexColumn : public GeomEnums {
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private:
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INLINE GeomVertexColumn();
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PUBLISHED:
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INLINE explicit GeomVertexColumn(CPT_InternalName name, int num_components,
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NumericType numeric_type, Contents contents,
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int start, int column_alignment = 0,
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int num_elements = 0, int element_stride = 0);
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INLINE GeomVertexColumn(const GeomVertexColumn ©);
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void operator = (const GeomVertexColumn ©);
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INLINE ~GeomVertexColumn();
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INLINE const InternalName *get_name() const;
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INLINE int get_num_components() const;
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INLINE int get_num_values() const;
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INLINE int get_num_elements() const;
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INLINE NumericType get_numeric_type() const;
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INLINE Contents get_contents() const;
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INLINE int get_start() const;
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INLINE int get_column_alignment() const;
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INLINE int get_element_stride() const;
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INLINE int get_component_bytes() const;
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INLINE int get_total_bytes() const;
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INLINE bool has_homogeneous_coord() const;
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INLINE bool overlaps_with(int start_byte, int num_bytes) const;
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INLINE bool is_bytewise_equivalent(const GeomVertexColumn &other) const;
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void set_name(InternalName *name);
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void set_num_components(int num_components);
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void set_numeric_type(NumericType numeric_type);
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void set_contents(Contents contents);
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void set_start(int start);
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void set_column_alignment(int column_alignment);
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void output(std::ostream &out) const;
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public:
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INLINE bool is_packed_argb() const;
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INLINE bool is_uint8_rgba() const;
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INLINE int compare_to(const GeomVertexColumn &other) const;
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INLINE bool operator == (const GeomVertexColumn &other) const;
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INLINE bool operator != (const GeomVertexColumn &other) const;
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INLINE bool operator < (const GeomVertexColumn &other) const;
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private:
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class Packer;
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void setup();
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Packer *make_packer() const;
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public:
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void write_datagram(BamWriter *manager, Datagram &dg);
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int complete_pointers(TypedWritable **plist, BamReader *manager);
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void fillin(DatagramIterator &scan, BamReader *manager);
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private:
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CPT_InternalName _name;
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int _num_components;
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int _num_values;
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int _num_elements;
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NumericType _numeric_type;
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Contents _contents;
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int _start;
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int _column_alignment;
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int _element_stride;
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int _component_bytes;
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int _total_bytes;
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Packer *_packer;
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// This nested class provides the implementation for packing and unpacking
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// data in a very general way, but also provides the hooks for implementing
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// the common, very direct code paths (for instance, 3-component float32 to
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// LVecBase3f) as quickly as possible.
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class Packer : public MemoryBase {
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public:
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virtual ~Packer();
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virtual float get_data1f(const unsigned char *pointer);
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virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
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virtual double get_data1d(const unsigned char *pointer);
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virtual const LVecBase2d &get_data2d(const unsigned char *pointer);
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virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
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virtual const LVecBase4d &get_data4d(const unsigned char *pointer);
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virtual int get_data1i(const unsigned char *pointer);
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virtual const LVecBase2i &get_data2i(const unsigned char *pointer);
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virtual const LVecBase3i &get_data3i(const unsigned char *pointer);
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virtual const LVecBase4i &get_data4i(const unsigned char *pointer);
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virtual void set_data1f(unsigned char *pointer, float data);
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virtual void set_data2f(unsigned char *pointer, const LVecBase2f &data);
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virtual void set_data3f(unsigned char *pointer, const LVecBase3f &data);
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virtual void set_data4f(unsigned char *pointer, const LVecBase4f &data);
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virtual void set_data1d(unsigned char *pointer, double data);
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virtual void set_data2d(unsigned char *pointer, const LVecBase2d &data);
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virtual void set_data3d(unsigned char *pointer, const LVecBase3d &data);
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virtual void set_data4d(unsigned char *pointer, const LVecBase4d &data);
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virtual void set_data1i(unsigned char *pointer, int data);
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virtual void set_data2i(unsigned char *pointer, const LVecBase2i &data);
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virtual void set_data3i(unsigned char *pointer, const LVecBase3i &data);
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virtual void set_data4i(unsigned char *pointer, const LVecBase4i &data);
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virtual const char *get_name() const {
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return "Packer";
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}
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const GeomVertexColumn *_column;
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LVecBase2f _v2;
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LVecBase3f _v3;
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LVecBase4f _v4;
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LVecBase2d _v2d;
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LVecBase3d _v3d;
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LVecBase4d _v4d;
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LVecBase2i _v2i;
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LVecBase3i _v3i;
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LVecBase4i _v4i;
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unsigned int _a, _b, _c, _d;
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};
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// This is a specialization on the generic Packer that handles points, which
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// are special because the fourth component, if not present in the data, is
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// implicitly 1.0; and if it is present, then any three-component or smaller
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// return is implicitly divided by the fourth component.
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class Packer_point : public Packer {
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public:
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virtual float get_data1f(const unsigned char *pointer);
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virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
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virtual double get_data1d(const unsigned char *pointer);
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virtual const LVecBase2d &get_data2d(const unsigned char *pointer);
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virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
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virtual const LVecBase4d &get_data4d(const unsigned char *pointer);
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virtual void set_data1f(unsigned char *pointer, float data);
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virtual void set_data2f(unsigned char *pointer, const LVecBase2f &data);
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virtual void set_data3f(unsigned char *pointer, const LVecBase3f &data);
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virtual void set_data4f(unsigned char *pointer, const LVecBase4f &data);
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virtual void set_data1d(unsigned char *pointer, double data);
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virtual void set_data2d(unsigned char *pointer, const LVecBase2d &data);
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virtual void set_data3d(unsigned char *pointer, const LVecBase3d &data);
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virtual void set_data4d(unsigned char *pointer, const LVecBase4d &data);
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virtual const char *get_name() const {
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return "Packer_point";
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}
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};
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// This is similar to Packer_point, in that the fourth component is
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// implicitly 1.0 if it is not present in the data, but we never divide by
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// alpha. It also transforms integer colors to the 0-1 range.
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class Packer_color : public Packer {
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public:
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virtual float get_data1f(const unsigned char *pointer);
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virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
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virtual double get_data1d(const unsigned char *pointer);
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virtual const LVecBase2d &get_data2d(const unsigned char *pointer);
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virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
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virtual const LVecBase4d &get_data4d(const unsigned char *pointer);
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virtual void set_data1f(unsigned char *pointer, float data);
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virtual void set_data2f(unsigned char *pointer, const LVecBase2f &data);
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virtual void set_data3f(unsigned char *pointer, const LVecBase3f &data);
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virtual void set_data4f(unsigned char *pointer, const LVecBase4f &data);
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virtual void set_data1d(unsigned char *pointer, double data);
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virtual void set_data2d(unsigned char *pointer, const LVecBase2d &data);
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virtual void set_data3d(unsigned char *pointer, const LVecBase3d &data);
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virtual void set_data4d(unsigned char *pointer, const LVecBase4d &data);
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virtual const char *get_name() const {
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return "Packer_color";
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}
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};
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// These are the specializations on the generic Packer that handle the
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// direct code paths.
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class Packer_float32_3 : public Packer {
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public:
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual void set_data3f(unsigned char *pointer, const LVecBase3f &value);
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virtual const char *get_name() const {
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return "Packer_float32_3";
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}
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};
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class Packer_point_float32_2 : public Packer_point {
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public:
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virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
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virtual void set_data2f(unsigned char *pointer, const LVecBase2f &value);
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virtual const char *get_name() const {
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return "Packer_point_float32_2";
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}
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};
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class Packer_point_float32_3 : public Packer_point {
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public:
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual void set_data3f(unsigned char *pointer, const LVecBase3f &value);
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virtual const char *get_name() const {
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return "Packer_point_float32_3";
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}
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};
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class Packer_point_float32_4 : public Packer_point {
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public:
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virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
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virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
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virtual const char *get_name() const {
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return "Packer_point_float32_4";
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}
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};
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class Packer_nativefloat_3 : public Packer_float32_3 {
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public:
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual const char *get_name() const {
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return "Packer_nativefloat_3";
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}
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};
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class Packer_point_nativefloat_2 : public Packer_point_float32_2 {
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public:
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virtual const LVecBase2f &get_data2f(const unsigned char *pointer);
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virtual const char *get_name() const {
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return "Packer_nativefloat_2";
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}
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};
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class Packer_point_nativefloat_3 : public Packer_point_float32_3 {
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public:
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virtual const LVecBase3f &get_data3f(const unsigned char *pointer);
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virtual const char *get_name() const {
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return "Packer_point_nativefloat_3";
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}
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};
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class Packer_point_nativefloat_4 : public Packer_point_float32_4 {
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public:
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virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
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virtual const char *get_name() const {
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return "Packer_point_nativefloat_4";
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}
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};
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class Packer_float64_3 : public Packer {
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public:
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virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
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virtual void set_data3d(unsigned char *pointer, const LVecBase3d &value);
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virtual const char *get_name() const {
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return "Packer_float64_3";
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}
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};
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class Packer_point_float64_2 : public Packer_point {
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public:
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virtual const LVecBase2d &get_data2d(const unsigned char *pointer);
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virtual void set_data2d(unsigned char *pointer, const LVecBase2d &value);
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virtual const char *get_name() const {
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return "Packer_point_float64_2";
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}
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};
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class Packer_point_float64_3 : public Packer_point {
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public:
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virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
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virtual void set_data3d(unsigned char *pointer, const LVecBase3d &value);
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virtual const char *get_name() const {
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return "Packer_point_float64_3";
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}
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};
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class Packer_point_float64_4 : public Packer_point {
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public:
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virtual const LVecBase4d &get_data4d(const unsigned char *pointer);
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virtual void set_data4d(unsigned char *pointer, const LVecBase4d &value);
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virtual const char *get_name() const {
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return "Packer_point_float64_4";
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}
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};
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class Packer_nativedouble_3 final : public Packer_float64_3 {
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public:
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virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
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virtual const char *get_name() const {
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return "Packer_nativedouble_3";
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}
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};
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class Packer_point_nativedouble_2 final : public Packer_point_float64_2 {
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public:
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virtual const LVecBase2d &get_data2d(const unsigned char *pointer);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_nativedouble_2";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_point_nativedouble_3 final : public Packer_point_float64_3 {
|
||
|
|
public:
|
||
|
|
virtual const LVecBase3d &get_data3d(const unsigned char *pointer);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_point_nativedouble_3";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_point_nativedouble_4 : public Packer_point_float64_4 {
|
||
|
|
public:
|
||
|
|
virtual const LVecBase4d &get_data4d(const unsigned char *pointer);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_point_nativedouble_4";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_argb_packed final : public Packer_color {
|
||
|
|
public:
|
||
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
||
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_argb_packed";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_rgba_uint8_4 final : public Packer_color {
|
||
|
|
public:
|
||
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
||
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_rgba_uint8_4";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_rgba_float32_4 : public Packer_color {
|
||
|
|
public:
|
||
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
||
|
|
virtual void set_data4f(unsigned char *pointer, const LVecBase4f &value);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_rgba_float32_4";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_rgba_nativefloat_4 final : public Packer_rgba_float32_4 {
|
||
|
|
public:
|
||
|
|
virtual const LVecBase4f &get_data4f(const unsigned char *pointer);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_rgba_nativefloat_4";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class Packer_uint16_1 final : public Packer {
|
||
|
|
public:
|
||
|
|
virtual int get_data1i(const unsigned char *pointer);
|
||
|
|
virtual void set_data1i(unsigned char *pointer, int value);
|
||
|
|
|
||
|
|
virtual const char *get_name() const {
|
||
|
|
return "Packer_uint16_1";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
friend class GeomVertexArrayFormat;
|
||
|
|
friend class GeomVertexData;
|
||
|
|
friend class GeomVertexReader;
|
||
|
|
friend class GeomVertexWriter;
|
||
|
|
};
|
||
|
|
|
||
|
|
INLINE std::ostream &operator << (std::ostream &out, const GeomVertexColumn &obj);
|
||
|
|
|
||
|
|
#include "geomVertexColumn.I"
|
||
|
|
|
||
|
|
#endif
|