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| author | Eric Anholt <eric@anholt.net> | 2014-09-24 13:59:53 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2014-09-24 15:56:39 -0700 |
| commit | 7fa399f93af288bc0b9764819d4e5b6184e75d78 (patch) | |
| tree | 98394c211268435336e2204a91e1610e11eaea99 /src/gallium/drivers/vc4/vc4_state.c | |
| parent | 6abbdfe3dbe7d4372b30461e97b4ad557ff4e5d2 (diff) | |
| download | external_mesa3d-7fa399f93af288bc0b9764819d4e5b6184e75d78.zip external_mesa3d-7fa399f93af288bc0b9764819d4e5b6184e75d78.tar.gz external_mesa3d-7fa399f93af288bc0b9764819d4e5b6184e75d78.tar.bz2 | |
vc4: Actually add support for polygon offset.
Setting the bit without setting the offset values is kind of useless.
Fixes piglit polygon-offset (but not polygon-mode-offset).
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_state.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_state.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/gallium/drivers/vc4/vc4_state.c b/src/gallium/drivers/vc4/vc4_state.c index 2e14573..81dac21 100644 --- a/src/gallium/drivers/vc4/vc4_state.c +++ b/src/gallium/drivers/vc4/vc4_state.c @@ -79,6 +79,12 @@ vc4_set_sample_mask(struct pipe_context *pctx, unsigned sample_mask) vc4->dirty |= VC4_DIRTY_SAMPLE_MASK; } +static uint16_t +float_to_187_half(float f) +{ + return fui(f) >> 16; +} + static void * vc4_create_rasterizer_state(struct pipe_context *pctx, const struct pipe_rasterizer_state *cso) @@ -102,9 +108,13 @@ vc4_create_rasterizer_state(struct pipe_context *pctx, if (cso->front_ccw) so->config_bits[0] |= VC4_CONFIG_BITS_CW_PRIMITIVES; - if (cso->offset_tri) + if (cso->offset_tri) { so->config_bits[0] |= VC4_CONFIG_BITS_ENABLE_DEPTH_OFFSET; + so->offset_units = float_to_187_half(cso->offset_units); + so->offset_factor = float_to_187_half(cso->offset_scale); + } + return so; } |