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/*
* Copyright © 2022 Collabora, LTD
*
* 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_sampler.h"
#include "vk_util.h"
VkClearColorValue
vk_border_color_value(VkBorderColor color)
{
switch (color) {
case VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK:
return (VkClearColorValue) { .float32 = { 0, 0, 0, 0 } };
case VK_BORDER_COLOR_INT_TRANSPARENT_BLACK:
return (VkClearColorValue) { .int32 = { 0, 0, 0, 0 } };
case VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK:
return (VkClearColorValue) { .float32 = { 0, 0, 0, 1 } };
case VK_BORDER_COLOR_INT_OPAQUE_BLACK:
return (VkClearColorValue) { .int32 = { 0, 0, 0, 1 } };
case VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE:
return (VkClearColorValue) { .float32 = { 1, 1, 1, 1 } };
case VK_BORDER_COLOR_INT_OPAQUE_WHITE:
return (VkClearColorValue) { .int32 = { 1, 1, 1, 1 } };
default:
unreachable("Invalid or custom border color enum");
}
}
bool
vk_border_color_is_int(VkBorderColor color)
{
switch (color) {
case VK_BORDER_COLOR_FLOAT_TRANSPARENT_BLACK:
case VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK:
case VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE:
case VK_BORDER_COLOR_FLOAT_CUSTOM_EXT:
return false;
case VK_BORDER_COLOR_INT_TRANSPARENT_BLACK:
case VK_BORDER_COLOR_INT_OPAQUE_BLACK:
case VK_BORDER_COLOR_INT_OPAQUE_WHITE:
case VK_BORDER_COLOR_INT_CUSTOM_EXT:
return true;
default:
unreachable("Invalid border color enum");
}
}
VkClearColorValue
vk_sampler_border_color_value(const VkSamplerCreateInfo *pCreateInfo,
VkFormat *format_out)
{
if (pCreateInfo->borderColor == VK_BORDER_COLOR_FLOAT_CUSTOM_EXT ||
pCreateInfo->borderColor == VK_BORDER_COLOR_INT_CUSTOM_EXT) {
const VkSamplerCustomBorderColorCreateInfoEXT *border_color_info =
vk_find_struct_const(pCreateInfo->pNext,
SAMPLER_CUSTOM_BORDER_COLOR_CREATE_INFO_EXT);
if (format_out)
*format_out = border_color_info->format;
return border_color_info->customBorderColor;
} else {
if (format_out)
*format_out = VK_FORMAT_UNDEFINED;
return vk_border_color_value(pCreateInfo->borderColor);
}
}
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