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https://github.com/love2d/love.git
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99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
/**
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* Copyright (c) 2006-2009 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_VERTEX_BUFFER_H
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#define LOVE_GRAPHICS_OPENGL_VERTEX_BUFFER_H
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// LOVE
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#include <common/constants.h>
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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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// Module.
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#include "Image.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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class VertexBuffer : public Drawable
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{
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friend class SpriteBatch;
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private:
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vertex * vertices;
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// Max number of vertices in the buffer.
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int size;
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// The next free element.
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int next;
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// The texture (optional).
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Image * image;
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// Contains the vbo_buffer.
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GLuint vbo_buf;
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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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// The type of primitives we're drawing.
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int type;
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int gl_type;
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private:
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bool useVBO() const;
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void update(int pos, int size);
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public:
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VertexBuffer(Image * image, int size, int type, int usage);
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virtual ~VertexBuffer();
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void setType(int type);
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int getType() const;
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void add(float x, float y, float s, float t, unsigned char r, unsigned char g, unsigned char b, unsigned char a);
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void add(float x, float y, float s, float t);
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void clear();
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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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}; // VertexBuffer
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} // opengl
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} // graphics
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} // love
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#endif // LOVE_GRAPHICS_OPENGL_VERTEX_BUFFER_H
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