mirror of
https://github.com/love2d/love.git
synced 2026-08-13 17:10:54 +02:00
Alex Szpakowski
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/**
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* Copyright (c) 2006-2017 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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//LOVE
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#include "ParticleSystem.h"
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#include "graphics/Graphics.h"
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#include "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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ParticleSystem::ParticleSystem(Graphics *gfx, Texture *texture, uint32 size)
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: love::graphics::ParticleSystem(gfx, texture, size)
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{
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}
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ParticleSystem::ParticleSystem(const ParticleSystem &p)
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: love::graphics::ParticleSystem(p)
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{
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}
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ParticleSystem::~ParticleSystem()
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{
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}
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ParticleSystem *ParticleSystem::clone()
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{
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return new ParticleSystem(*this);
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}
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void ParticleSystem::draw(Graphics *gfx, const Matrix4 &m)
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{
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if (!prepareDraw(gfx, m))
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return;
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OpenGL::TempDebugGroup debuggroup("ParticleSystem draw");
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gl.bindTextureToUnit(texture, 0, false);
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gl.prepareDraw();
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gl.useVertexAttribArrays(ATTRIBFLAG_POS | ATTRIBFLAG_TEXCOORD | ATTRIBFLAG_COLOR);
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gl.bindBuffer(BUFFER_VERTEX, (GLuint) buffer->getHandle());
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glVertexAttribPointer(ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, color.r)));
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glVertexAttribPointer(ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, x)));
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glVertexAttribPointer(ATTRIB_TEXCOORD, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex), BUFFER_OFFSET(offsetof(Vertex, s)));
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GLsizei count = (GLsizei) quadIndices.getIndexCount(getCount());
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GLenum gltype = OpenGL::getGLIndexDataType(quadIndices.getType());
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gl.bindBuffer(BUFFER_INDEX, (GLuint) quadIndices.getBuffer()->getHandle());
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gl.drawElements(GL_TRIANGLES, count, gltype, BUFFER_OFFSET(0));
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}
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} // opengl
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} // graphics
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} // love
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