diff --git a/rpcs3/Emu/RSX/GL/GLGSRender.cpp b/rpcs3/Emu/RSX/GL/GLGSRender.cpp index 3310425c34..2af22b20ec 100644 --- a/rpcs3/Emu/RSX/GL/GLGSRender.cpp +++ b/rpcs3/Emu/RSX/GL/GLGSRender.cpp @@ -2037,8 +2037,12 @@ void GLGSRender::Flip() glReadPixels(0, 0, RSXThread::m_width, RSXThread::m_height, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 0); checkForGlError("Flip(): glReadPixels(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8)"); GLubyte *packed = (GLubyte *)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY); - memcpy(pixels.data(), packed, RSXThread::m_width * RSXThread::m_height * 4); - glUnmapBuffer(GL_PIXEL_PACK_BUFFER); + if (packed) + { + memcpy(pixels.data(), packed, RSXThread::m_width * RSXThread::m_height * 4); + glUnmapBuffer(GL_PIXEL_PACK_BUFFER); + checkForGlError("Flip(): glUnmapBuffer"); + } glBindBuffer(GL_PIXEL_PACK_BUFFER, 0); src_buffer = pixels.data();