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radv: Extract DCC format support handling.

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Reviewed-By: Chad Versace <chad@kiwitree.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7667>
This commit is contained in:
Bas Nieuwenhuizen 2020-11-16 03:42:12 +01:00 • committed by Marge Bot
parent 21f476920e
commit bd816bddf2
2 changed files with 45 additions and 35 deletions
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75
src/amd/vulkan/radv_image.c
View file

@ -150,15 +150,49 @@ radv_image_use_fast_clear_for_image(const struct radv_device *device,
(image->exclusive || image->queue_family_mask == 1);
}
bool
radv_are_formats_dcc_compatible(const struct radv_physical_device *pdev,
const void *pNext, VkFormat format,
VkImageCreateFlags flags)
{
bool blendable;
if (!radv_is_colorbuffer_format_supported(pdev,
format, &blendable))
return false;
if (flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT) {
const struct VkImageFormatListCreateInfo *format_list =
(const struct VkImageFormatListCreateInfo *)
vk_find_struct_const(pNext,
IMAGE_FORMAT_LIST_CREATE_INFO);
/* We have to ignore the existence of the list if viewFormatCount = 0 */
if (format_list && format_list->viewFormatCount) {
/* compatibility is transitive, so we only need to check
* one format with everything else. */
for (unsigned i = 0; i < format_list->viewFormatCount; ++i) {
if (format_list->pViewFormats[i] == VK_FORMAT_UNDEFINED)
continue;
if (!radv_dcc_formats_compatible(format,
format_list->pViewFormats[i]))
return false;
}
} else {
return false;
}
}
return true;
}
static bool
radv_use_dcc_for_image(struct radv_device *device,
const struct radv_image *image,
const VkImageCreateInfo *pCreateInfo,
VkFormat format)
{
bool dcc_compatible_formats;
bool blendable;
/* DCC (Delta Color Compression) is only available for GFX8+. */
if (device->physical_device->rad_info.chip_class < GFX8)
return false;
@ -204,38 +238,9 @@ radv_use_dcc_for_image(struct radv_device *device,
device->physical_device->rad_info.chip_class < GFX10)
return false;
/* Determine if the formats are DCC compatible. */
dcc_compatible_formats =
radv_is_colorbuffer_format_supported(device->physical_device,
format, &blendable);
if (pCreateInfo->flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT) {
const struct VkImageFormatListCreateInfo *format_list =
(const struct VkImageFormatListCreateInfo *)
vk_find_struct_const(pCreateInfo->pNext,
IMAGE_FORMAT_LIST_CREATE_INFO);
/* We have to ignore the existence of the list if viewFormatCount = 0 */
if (format_list && format_list->viewFormatCount) {
/* compatibility is transitive, so we only need to check
* one format with everything else. */
for (unsigned i = 0; i < format_list->viewFormatCount; ++i) {
if (format_list->pViewFormats[i] == VK_FORMAT_UNDEFINED)
continue;
if (!radv_dcc_formats_compatible(format,
format_list->pViewFormats[i]))
dcc_compatible_formats = false;
}
} else {
dcc_compatible_formats = false;
}
}
if (!dcc_compatible_formats)
return false;
return true;
return radv_are_formats_dcc_compatible(device->physical_device,
pCreateInfo->pNext, format,
pCreateInfo->flags);
}
static inline bool

5
src/amd/vulkan/radv_private.h
View file

@ -2183,6 +2183,11 @@ VkResult radv_image_create(VkDevice _device,
const VkAllocationCallbacks* alloc,
VkImage *pImage);
bool
radv_are_formats_dcc_compatible(const struct radv_physical_device *pdev,
const void *pNext, VkFormat format,
VkImageCreateFlags flags);
bool vi_alpha_is_on_msb(struct radv_device *device, VkFormat format);
VkResult