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radv: rework radv_use_dcc_for_image() a bit

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To make it clear that only GFX8-9 have missing DCC features.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9526>
This commit is contained in:
Samuel Pitoiset 2021-03-11 17:14:42 +01:00
parent 9704ed3f57
commit 321dadf229
1 changed files with 11 additions and 10 deletions
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21
src/amd/vulkan/radv_image.c
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@ -212,20 +212,21 @@ radv_use_dcc_for_image(struct radv_device *device,
if (!radv_image_use_fast_clear_for_image(device, image))
return false;
/* FIXME: Fix DCC layers and mipmaps on GFX9. */
if ((pCreateInfo->arrayLayers > 1 || pCreateInfo->mipLevels > 1) &&
device->physical_device->rad_info.chip_class == GFX9)
return false;
/* Do not enable DCC for mipmapped arrays because performance is worse. */
if (pCreateInfo->arrayLayers > 1 && pCreateInfo->mipLevels > 1)
return false;
/* TODO: Fix and enable DCC MSAA on older chips. */
if (pCreateInfo->samples > 1 &&
!device->physical_device->dcc_msaa_allowed &&
device->physical_device->rad_info.chip_class < GFX10)
return false;
if (device->physical_device->rad_info.chip_class < GFX10) {
/* TODO: Add support for DCC MSAA on GFX8-9. */
if (pCreateInfo->samples > 1 &&
!device->physical_device->dcc_msaa_allowed)
return false;
/* TODO: Add support for DCC layers/mipmaps on GFX9. */
if ((pCreateInfo->arrayLayers > 1 || pCreateInfo->mipLevels > 1) &&
device->physical_device->rad_info.chip_class == GFX9)
return false;
}
return radv_are_formats_dcc_compatible(device->physical_device,
pCreateInfo->pNext, format,