87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/* Copyright (c) 2017-2022 Hans-Kristian Arntzen
|
|
*
|
|
* 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 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "vulkan_headers.hpp"
|
|
|
|
namespace Vulkan
|
|
{
|
|
// FIXME: Also consider that we might have to flip X or Y w.r.t. dimensions,
|
|
// but that only matters for partial rendering ...
|
|
static inline bool surface_transform_swaps_xy(VkSurfaceTransformFlagBitsKHR transform)
|
|
{
|
|
return (transform & (
|
|
VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_90_BIT_KHR |
|
|
VK_SURFACE_TRANSFORM_HORIZONTAL_MIRROR_ROTATE_270_BIT_KHR |
|
|
VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR |
|
|
VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR)) != 0;
|
|
}
|
|
|
|
static inline void viewport_swap_xy(VkViewport &vp)
|
|
{
|
|
std::swap(vp.x, vp.y);
|
|
std::swap(vp.width, vp.height);
|
|
}
|
|
|
|
static inline void rect2d_swap_xy(VkRect2D &rect)
|
|
{
|
|
std::swap(rect.offset.x, rect.offset.y);
|
|
std::swap(rect.extent.width, rect.extent.height);
|
|
}
|
|
|
|
static inline void build_prerotate_matrix_2x2(VkSurfaceTransformFlagBitsKHR pre_rotate, float mat[4])
|
|
{
|
|
// TODO: HORIZONTAL_MIRROR.
|
|
switch (pre_rotate)
|
|
{
|
|
default:
|
|
mat[0] = 1.0f;
|
|
mat[1] = 0.0f;
|
|
mat[2] = 0.0f;
|
|
mat[3] = 1.0f;
|
|
break;
|
|
|
|
case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR:
|
|
mat[0] = 0.0f;
|
|
mat[1] = 1.0f;
|
|
mat[2] = -1.0f;
|
|
mat[3] = 0.0f;
|
|
break;
|
|
|
|
case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR:
|
|
mat[0] = 0.0f;
|
|
mat[1] = -1.0f;
|
|
mat[2] = 1.0f;
|
|
mat[3] = 0.0f;
|
|
break;
|
|
|
|
case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR:
|
|
mat[0] = -1.0f;
|
|
mat[1] = 0.0f;
|
|
mat[2] = 0.0f;
|
|
mat[3] = -1.0f;
|
|
break;
|
|
}
|
|
}
|
|
}
|