mirror of
https://github.com/love2d/love.git
synced 2026-08-16 16:20:42 +02:00
Bill Meltsner
113 lines
2.6 KiB
C++
113 lines
2.6 KiB
C++
/**
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* Copyright (c) 2006-2011 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_GRAPHICS_OPENGL_SPRITE_BATCH_H
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#define LOVE_GRAPHICS_OPENGL_SPRITE_BATCH_H
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// C
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#include <cstring>
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// LOVE
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#include <common/math.h>
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#include <common/Object.h>
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#include <common/Vector.h>
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#include <common/Matrix.h>
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#include <graphics/Drawable.h>
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#include <graphics/Volatile.h>
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// OpenGL
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#include "GLee.h"
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#include <SDL/SDL_opengl.h>
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namespace love
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{
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namespace graphics
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{
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namespace opengl
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{
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// Forward declarations.
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class Image;
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class Quad;
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class SpriteBatch : public Drawable, public Volatile
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{
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private:
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Image * image;
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// Max number of sprites in the batch.
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int size;
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// The next free element.
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int next;
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GLuint vbo[2];
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// Vertex Buffer.
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vertex * vertices;
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// Index buffer.
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GLushort * indices;
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// The uage hint for the vertex buffer.
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int usage;
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int gl_usage;
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// If the buffer is locked, this pointer is nonzero.
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vertex * lockp;
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public:
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enum UsageHint
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{
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USAGE_DYNAMIC,
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USAGE_STATIC,
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USAGE_STREAM
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};
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SpriteBatch(Image * image, int size, int usage);
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virtual ~SpriteBatch();
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// Implements Volatile.
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bool loadVolatile();
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void unloadVolatile();
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void add(float x, float y, float a, float sx, float sy, float ox, float oy);
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void addq(Quad * quad, float x, float y, float a, float sx, float sy, float ox, float oy);
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void clear();
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void * lock();
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void unlock();
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// Implements Drawable.
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void draw(float x, float y, float angle, float sx, float sy, float ox, float oy) const;
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private:
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void addv(const vertex * v);
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}; // SpriteBatch
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} // opengl
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} // graphics
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} // love
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#endif // LOVE_GRAPHICS_OPENGL_SPRITE_BATCH_H
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