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egldisplay: Fix GL_INVALID_OPERATION with headless pbuffer

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rdb 2023-03-29 16:33:33 +02:00
parent 389b24e695
commit 21d7a83bfc
1 changed files with 4 additions and 3 deletions
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7
panda/src/egldisplay/eglGraphicsBuffer.cxx
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@ -38,9 +38,10 @@ eglGraphicsBuffer(GraphicsEngine *engine, GraphicsPipe *pipe,
DCAST_INTO_V(egl_pipe, _pipe);
_pbuffer = EGL_NO_SURFACE;
// Since the pbuffer never gets flipped, we get screenshots from the same
// buffer we draw into.
_screenshot_buffer_type = _draw_buffer_type;
// EGL pbuffers only have a back buffer (see 2.2.2 in spec), and it is never
// flipped (eglSwapBuffers is a no-op).
_draw_buffer_type = RenderBuffer::T_back;
_screenshot_buffer_type = RenderBuffer::T_back;
}
/**