On Tue, 19 Jun 2012 08:16:22 -0700, Paul Berry <stereotype...@gmail.com> wrote: > From the GL 3.0 spec (p.116): > > "Multisample rasterization is enabled or disabled by calling > Enable or Disable with the symbolic constant MULTISAMPLE." > > Elsewhere in the spec, where multisample rasterization is described > (sections 3.4.3, 3.5.4, and 3.6.6), the following text is consistently > used: > > "If MULTISAMPLE is enabled, and the value of SAMPLE_BUFFERS is > one, then..." > > So, in other words, disabling GL_MULTISAMPLE should prevent > multisample rasterization from occurring, even if the draw framebuffer > is multisampled. This patch implements that behaviour by setting the > WM and SF stage's "multisample rasterization mode" to > MSRAST_ON_PATTERN only when the draw framebuffer is multisampled *and* > GL_MULTISAMPLE is enabled.
Reviewed-by: Eric Anholt <e...@anholt.net>
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