-/* $Id$
-
-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 <climits>
#include <vector>
#include <msp/core/refptr.h>
#include <msp/datafile/loader.h>
+#include "datatype.h"
#include "primitivetype.h"
-#include "types.h"
#include "vertexarraybuilder.h"
#include "vertexformat.h"
namespace Msp {
namespace GL {
-class VertexBuffer;
+class Buffer;
class VertexArray
{
Loader(VertexArray &);
};
- VertexArray(VertexFormat);
+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<float> data;
+ unsigned stride;
+ RefPtr<Buffer> vbuf;
+ bool defer_vbuf;
+ mutable bool dirty;
+
+ static ArrayMask enabled_arrays;
+
+ VertexArray(const VertexArray &);
+ VertexArray &operator=(const VertexArray &);
+public:
+ VertexArray(const VertexFormat &);
~VertexArray();
- VertexFormat get_format() const { return format; }
+ const VertexFormat &get_format() const { return format; }
const std::vector<float> &get_data() const { return data; }
void use_vertex_buffer();
- void use_vertex_buffer(VertexBuffer *);
+ void use_vertex_buffer(Buffer *);
void reserve(unsigned);
unsigned size() const { return data.size()/stride; }
void clear();
- void reset(VertexFormat);
- RefPtr<VertexArrayBuilder> modify();
+ void reset(const VertexFormat &);
void apply() const;
- void update_data();
+ float *append();
+ float *modify(unsigned);
+ const float *operator[](unsigned i) const { return &data[0]+i*stride; }
+
private:
- VertexFormat format;
- std::vector<float> data;
- uint stride;
- VertexBuffer *vbuf;
- bool own_vbuf;
+ void set_dirty();
+};
- VertexArray(const VertexArray &);
- VertexArray &operator=(const VertexArray &);
- void set_array(unsigned, unsigned, unsigned) const;
+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 *);
- static unsigned enabled_arrays;
-};
+inline void draw_elements(PrimitiveType mode, unsigned count, const unsigned *indices)
+{ draw_elements(mode, count, UNSIGNED_INT, indices); }
+
+inline void draw_elements(PrimitiveType mode, unsigned count, const unsigned short *indices)
+{ draw_elements(mode, count, UNSIGNED_SHORT, indices); }
+
+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); }
+
+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); }
} // namespace GL
} // namespace Msp