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Render particles with GL_TRIANGLES unconditionally #53

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Merged
Capostrophic merged 1 commit into from
Oct 7, 2026
Merged

Render particles with GL_TRIANGLES unconditionally #53

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11 changes: 1 addition & 10 deletions src/osgParticle/ParticleSystem.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -421,15 +421,6 @@ void osgParticle::ParticleSystem::drawImplementation(osg::RenderInfo& renderInfo
texcoords.push_back(t1);
texcoords.push_back(t2);

#if defined(OSG_GL1_AVAILABLE) || defined(OSG_GL2_AVAILABLE) || defined(OSG_GLES1_AVAILABLE)
const unsigned int count = 4;
const GLenum mode = GL_QUADS;

// Last point (and texcoord) of quad
vertices.push_back(c3);
texcoords.push_back(t3);
#else
// No GL_QUADS mode on OpenGL 3 and upper / GLES2 and upper
const unsigned int count = 6;
const GLenum mode = GL_TRIANGLES;

Expand All @@ -440,7 +431,7 @@ void osgParticle::ParticleSystem::drawImplementation(osg::RenderInfo& renderInfo
texcoords.push_back(t2);
texcoords.push_back(t3);
texcoords.push_back(t0);
#endif

for (unsigned int j = 0; j < count; ++j)
colors.push_back(color);

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