Fixed bug 4825 - SDL Renderer OpenGL: Buffer overflow (SDL_RENDERCMD_DRAW_LINES)

2019-10-13 20:52:52 +02:00 · 2019-10-13 20:52:52 +02:00 · 72660a51dd
parent f8bdefe1b5
commit 72660a51dd
1 changed files with 1 additions and 0 deletions
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@ -1210,6 +1210,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
                        data->glVertex2f(verts[0], verts[1]);
                    }
                    data->glEnd();
+                    verts -= 2 * count;

                    /* The line is half open, so we need one more point to complete it.
                     * http://www.opengl.org/documentation/specs/version1.1/glspec1.1/node47.html