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anv: Add a helper to extract clear color from the attachment.

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Extract the code from color_attachment_compute_aux_usage, so we can
later reuse it to update the clear color state buffer.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Rafael Antognolli
2018-02-27 17:06:13 -08:00
parent 7987d041fd
commit 3f96b459f4
2 changed files with 21 additions and 13 deletions
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14
src/intel/vulkan/genX_cmd_buffer.c
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@@ -272,20 +272,8 @@ color_attachment_compute_aux_usage(struct anv_device * device,
assert(iview->image->planes[0].aux_surface.isl.usage &
(ISL_SURF_USAGE_CCS_BIT | ISL_SURF_USAGE_MCS_BIT));
const struct isl_format_layout *view_fmtl =
isl_format_get_layout(iview->planes[0].isl.format);
union isl_color_value clear_color = {};
#define COPY_CLEAR_COLOR_CHANNEL(c, i) \
if (view_fmtl->channels.c.bits) \
clear_color.u32[i] = att_state->clear_value.color.uint32[i]
COPY_CLEAR_COLOR_CHANNEL(r, 0);
COPY_CLEAR_COLOR_CHANNEL(g, 1);
COPY_CLEAR_COLOR_CHANNEL(b, 2);
COPY_CLEAR_COLOR_CHANNEL(a, 3);
#undef COPY_CLEAR_COLOR_CHANNEL
anv_clear_color_from_att_state(&clear_color, att_state, iview);
att_state->clear_color_is_zero_one =
isl_color_value_is_zero_one(clear_color, iview->planes[0].isl.format);