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pvr: Add PBE accum format size in bytes.

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This will be used later on to implement
vkCmdClearAttachments() where we'll need to pick the
appropriate clear color shader based on the dwords used.

Signed-off-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19218>
This commit is contained in:
Karmjit Mahil 2022-09-05 09:45:54 +01:00 • committed by Marge Bot
parent 87eb4f4f4f
commit 81a90c1e48
2 changed files with 37 additions and 0 deletions
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36
src/imagination/vulkan/pvr_formats.c
View file

@ -245,6 +245,42 @@ uint32_t pvr_get_pbe_accum_format(VkFormat vk_format)
return PVR_PBE_ACCUM_FORMAT_INVALID;
}
uint32_t pvr_get_pbe_accum_format_size_in_bytes(VkFormat vk_format)
{
enum pvr_pbe_accum_format pbe_accum_format;
uint32_t nr_components;
pbe_accum_format = pvr_get_pbe_accum_format(vk_format);
nr_components = vk_format_get_nr_components(vk_format);
switch (pbe_accum_format) {
case PVR_PBE_ACCUM_FORMAT_U8:
case PVR_PBE_ACCUM_FORMAT_S8:
case PVR_PBE_ACCUM_FORMAT_UINT8:
case PVR_PBE_ACCUM_FORMAT_SINT8:
return nr_components * 1;
case PVR_PBE_ACCUM_FORMAT_U16:
case PVR_PBE_ACCUM_FORMAT_S16:
case PVR_PBE_ACCUM_FORMAT_F16:
case PVR_PBE_ACCUM_FORMAT_UINT16:
case PVR_PBE_ACCUM_FORMAT_SINT16:
return nr_components * 2;
case PVR_PBE_ACCUM_FORMAT_F32:
case PVR_PBE_ACCUM_FORMAT_UINT32:
case PVR_PBE_ACCUM_FORMAT_SINT32:
case PVR_PBE_ACCUM_FORMAT_UINT32_MEDP:
case PVR_PBE_ACCUM_FORMAT_SINT32_MEDP:
case PVR_PBE_ACCUM_FORMAT_U1010102:
case PVR_PBE_ACCUM_FORMAT_U24:
return nr_components * 4;
default:
unreachable("Unknown pbe accum format. Implementation error");
}
}
static VkFormatFeatureFlags
pvr_get_image_format_features(const struct pvr_format *pvr_format,
VkImageTiling vk_tiling)

1
src/imagination/vulkan/pvr_formats.h
View file

@ -53,6 +53,7 @@ const uint8_t *pvr_get_format_swizzle(VkFormat vk_format);
uint32_t pvr_get_tex_format(VkFormat vk_format);
uint32_t pvr_get_pbe_packmode(VkFormat vk_format);
uint32_t pvr_get_pbe_accum_format(VkFormat vk_format);
uint32_t pvr_get_pbe_accum_format_size_in_bytes(VkFormat vk_format);
bool pvr_format_is_pbe_downscalable(VkFormat vk_format);
#endif /* PVR_FORMATS_H */