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authorBrian Paul <brianp@vmware.com>2017-07-21 10:37:36 -0600
committerBrian Paul <brianp@vmware.com>2017-07-25 15:40:24 -0600
commit91735e2d4a25df0685e5f4c8f0a064f9d58c6b8e (patch)
treefe7bc1ef952fbc3067faa836287c27da54e7697d /src/gallium/drivers/radeonsi/glsl_tests/div.glsl
parent71d3b69b239c2e2eb8b154229c5defc013b7c7b5 (diff)
svga: implement MSAA alpha_to_one feature
The device doesn't directly support this feature so we implement it with additional shader code which sets the color output(s) w component to 1.0 (or max_int or max_uint). Fixes 16 Piglit ext_framebuffer_multisample/*alpha-to-one* tests. v2: only support unorm/float buffers, not int/uint, per Roland. Reviewed-by: Roland Scheidegger <sroland@vmware.com> Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Diffstat (limited to 'src/gallium/drivers/radeonsi/glsl_tests/div.glsl')
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