Files
love/src/modules/graphics/opengl/VertexBuffer.h
T
2009-07-26 15:46:49 +02:00

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/**
* Copyright (c) 2006-2009 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_GRAPHICS_OPENGL_VERTEX_BUFFER_H
#define LOVE_GRAPHICS_OPENGL_VERTEX_BUFFER_H
// LOVE
#include <common/constants.h>
#include <common/math.h>
#include <common/Object.h>
#include <common/Vector.h>
#include <common/Matrix.h>
#include <graphics/Drawable.h>
// Module.
#include "Image.h"
// OpenGL
#include "GLee.h"
#include <SDL/SDL_opengl.h>
namespace love
{
namespace graphics
{
namespace opengl
{
class VertexBuffer : public Drawable
{
friend class SpriteBatch;
private:
vertex * vertices;
// Max number of vertices in the buffer.
int size;
// The next free element.
int next;
// The texture (optional).
Image * image;
// Contains the vbo_buffer.
GLuint vbo_buf;
// The uage hint for the vertex buffer.
int usage;
int gl_usage;
// The type of primitives we're drawing.
int type;
int gl_type;
private:
bool useVBO() const;
void update(int pos, int size);
public:
VertexBuffer(Image * image, int size, int type, int usage);
virtual ~VertexBuffer();
void setType(int type);
int getType() const;
void add(float x, float y, float s, float t, unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void add(float x, float y, float s, float t);
void clear();
// Implements Drawable.
void draw(float x, float y, float angle, float sx, float sy, float ox, float oy) const;
}; // VertexBuffer
} // opengl
} // graphics
} // love
#endif // LOVE_GRAPHICS_OPENGL_VERTEX_BUFFER_H