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anv/format: Add a helpful comment about format names

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This commit is contained in:
Jason Ekstrand 2016-01-22 19:14:41 -08:00
parent 259e1bdf79
commit 2bfb9f29b8
1 changed files with 5 additions and 0 deletions
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5
src/vulkan/anv_formats.c
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@ -35,6 +35,11 @@
__VA_ARGS__ \
}
/* HINT: For array formats, the ISL name should match the VK name. For
* packed formats, they should have the channels in reverse order from each
* other. The reason for this is that, for packed formats, the ISL (and
* bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
*/
static const struct anv_format anv_formats[] = {
fmt(VK_FORMAT_UNDEFINED, ISL_FORMAT_RAW),
fmt(VK_FORMAT_R4G4_UNORM_PACK8, ISL_FORMAT_UNSUPPORTED),