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[問題] glReadPixels 前該如何更新framebuffer - 看板C_and_CPP

... 1); glEnable(GL_TEXTURE_2D); glReadBuffer(GL_BACK); glFlush(); m_context->swapBuffers(m_context->surface()); glReadPixels(0, 0, Width, Height, GL_BGRA, ...

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查詢 「glReadBuffer」的人也找了：

  1. glReadBuffer
    2.
  2. glReadPixels
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  3. glDrawBuffers
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  4. glTexImage2D
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  5. glFramebufferTexture2D
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  6. glGetFloatv
    7.
  7. framebufferTexture2D
    8.
  8. glBlitFramebuffer
    9.