78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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/*
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* This file is part of the Colobot: Gold Edition source code
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* Copyright (C) 2001-2021, Daniel Roux, EPSITEC SA & TerranovaTeam
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* http://epsitec.ch; http://colobot.info; http://github.com/colobot
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see http://gnu.org/licenses
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*/
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/**
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* \file graphics/opengl/gl33renderers.h
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* \brief OpenGL 3.3 renderers
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*/
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#pragma once
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#include "graphics/core/renderers.h"
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#include <gl/glew.h>
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#include <array>
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#include <vector>
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// Graphics module namespace
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namespace Gfx
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{
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class CGL33UIRenderer : public CUIRenderer
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{
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public:
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CGL33UIRenderer();
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virtual ~CGL33UIRenderer();
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virtual void SetProjection(float left, float right, float bottom, float top) override;
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virtual void SetTexture(const Texture& texture) override;
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virtual void DrawPrimitive(PrimitiveType type, int count, const Vertex2D* vertices) override;
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virtual void Flush() override;
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private:
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// location of uni_ProjectionMatrix uniform
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GLint m_projectionMatrix = -1;
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// Vertex buffer object
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GLuint m_bufferVBO = 0;
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// Vertex array object
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GLuint m_bufferVAO = 0;
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// VBO capacity
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GLsizei m_bufferCapacity = 4 * 1024;
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// Buffered vertex data
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std::vector<Vertex2D> m_buffer;
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std::vector<GLenum> m_types;
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std::vector<GLint> m_firsts;
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std::vector<GLsizei> m_counts;
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// Shader program
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GLuint m_program = 0;
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// 1x1 white texture
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GLuint m_whiteTexture = 0;
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// Currently bound texture
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GLuint m_currentTexture = 0;
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};
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} // namespace Gfx
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