From f65cf376980777639ac5ef52364678c87f1a721f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Stefan=20Br=C3=BCns?= Date: Sun, 21 Nov 2021 22:55:13 +0100 Subject: [PATCH] GL_POINT_SPRITE is only available for Compatibility Profiles and GLES 1.0 --- Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx b/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx index d30d61af5e..5a942bfda3 100644 --- a/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx +++ b/Rendering/ContextOpenGL2/vtkOpenGLContextDevice2D.cxx @@ -1123,20 +1123,26 @@ void vtkOpenGLContextDevice2D::DrawPointSprites( } // We can actually use point sprites here +#ifdef GL_POINT_SPRITE if (this->RenderWindow->IsPointSpriteBugPresent()) { glEnable(GL_POINT_SPRITE); glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE); } +#endif +#ifdef GL_POINT_SPRITE_COORD_ORIGIN glPointParameteri(GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT); +#endif glDrawArrays(GL_POINTS, 0, n); +#ifdef GL_POINT_SPRITE if (this->RenderWindow->IsPointSpriteBugPresent()) { glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_FALSE); glDisable(GL_POINT_SPRITE); } +#endif if (sprite) { -- 2.33.1