mesa/src/vulkan/runtime/vk_ycbcr_conversion.c
Konstantin Seurer 9104dafb6f vulkan,nir: Refactor ycbcr conversion state into a struct
This will be useful for RADV since it hashes the state.

v3dv changes:
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20731>
2023-02-06 18:36:29 +00:00

112 lines
4.4 KiB
C

/*
* Copyright © 2020 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "vk_ycbcr_conversion.h"
#include <vulkan/vulkan_android.h>
#include "vk_common_entrypoints.h"
#include "vk_device.h"
#include "vk_format.h"
#include "vk_util.h"
VKAPI_ATTR VkResult VKAPI_CALL
vk_common_CreateSamplerYcbcrConversion(VkDevice _device,
const VkSamplerYcbcrConversionCreateInfo *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkSamplerYcbcrConversion *pYcbcrConversion)
{
VK_FROM_HANDLE(vk_device, device, _device);
struct vk_ycbcr_conversion *conversion;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_CREATE_INFO);
conversion = vk_object_zalloc(device, pAllocator, sizeof(*conversion),
VK_OBJECT_TYPE_SAMPLER_YCBCR_CONVERSION);
if (!conversion)
return VK_ERROR_OUT_OF_HOST_MEMORY;
struct vk_ycbcr_conversion_state *state = &conversion->state;
state->format = pCreateInfo->format;
state->ycbcr_model = pCreateInfo->ycbcrModel;
state->ycbcr_range = pCreateInfo->ycbcrRange;
/* Search for VkExternalFormatANDROID and resolve the format. */
const VkExternalFormatANDROID *android_ext_info =
vk_find_struct_const(pCreateInfo->pNext, EXTERNAL_FORMAT_ANDROID);
/* We assume that Android externalFormat is just a VkFormat */
if (android_ext_info && android_ext_info->externalFormat) {
assert(pCreateInfo->format == VK_FORMAT_UNDEFINED);
state->format = android_ext_info->externalFormat;
} else {
/* The Vulkan 1.1.95 spec says:
*
* "When creating an external format conversion, the value of
* components if ignored."
*/
state->mapping[0] = pCreateInfo->components.r;
state->mapping[1] = pCreateInfo->components.g;
state->mapping[2] = pCreateInfo->components.b;
state->mapping[3] = pCreateInfo->components.a;
}
state->chroma_offsets[0] = pCreateInfo->xChromaOffset;
state->chroma_offsets[1] = pCreateInfo->yChromaOffset;
state->chroma_filter = pCreateInfo->chromaFilter;
const struct vk_format_ycbcr_info *ycbcr_info =
vk_format_get_ycbcr_info(state->format);
bool has_chroma_subsampled = false;
if (ycbcr_info) {
for (uint32_t p = 0; p < ycbcr_info->n_planes; p++) {
if (ycbcr_info->planes[p].has_chroma &&
(ycbcr_info->planes[p].denominator_scales[0] > 1 ||
ycbcr_info->planes[p].denominator_scales[1] > 1))
has_chroma_subsampled = true;
}
}
state->chroma_reconstruction = has_chroma_subsampled &&
(state->chroma_offsets[0] == VK_CHROMA_LOCATION_COSITED_EVEN ||
state->chroma_offsets[1] == VK_CHROMA_LOCATION_COSITED_EVEN);
*pYcbcrConversion = vk_ycbcr_conversion_to_handle(conversion);
return VK_SUCCESS;
}
VKAPI_ATTR void VKAPI_CALL
vk_common_DestroySamplerYcbcrConversion(VkDevice _device,
VkSamplerYcbcrConversion YcbcrConversion,
const VkAllocationCallbacks *pAllocator)
{
VK_FROM_HANDLE(vk_device, device, _device);
VK_FROM_HANDLE(vk_ycbcr_conversion, conversion, YcbcrConversion);
if (!conversion)
return;
vk_object_free(device, pAllocator, conversion);
}