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107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
// Copyright 2020-2022, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Format conversion for DXGI/D3D.
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* @author Ryan Pavlik <ryan.pavlik@collabora.com>
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* @ingroup aux_d3d
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*/
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#pragma once
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#include "xrt/xrt_windows.h"
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#include "xrt/xrt_vulkan_includes.h"
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#include <dxgiformat.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static inline DXGI_FORMAT
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d3d_vk_format_to_dxgi(int64_t format)
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{
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switch (format) {
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case VK_FORMAT_B8G8R8A8_SRGB: return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
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case VK_FORMAT_B8G8R8A8_UNORM: return DXGI_FORMAT_B8G8R8A8_UNORM;
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case VK_FORMAT_D16_UNORM: return DXGI_FORMAT_D16_UNORM;
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case VK_FORMAT_D24_UNORM_S8_UINT: return DXGI_FORMAT_D24_UNORM_S8_UINT;
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case VK_FORMAT_D32_SFLOAT_S8_UINT: return DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
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case VK_FORMAT_D32_SFLOAT: return DXGI_FORMAT_D32_FLOAT;
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// case VK_FORMAT_R16G16B16_SFLOAT: return DXGI_FORMAT_R16G16B16A16_FLOAT; /// @todo OK to just add A?
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// case VK_FORMAT_R16G16B16_UNORM: return DXGI_FORMAT_R16G16B16A16_UNORM; /// @todo OK to just add A?
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case VK_FORMAT_R16G16B16A16_SFLOAT: return DXGI_FORMAT_R16G16B16A16_FLOAT;
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case VK_FORMAT_R16G16B16A16_UNORM: return DXGI_FORMAT_R16G16B16A16_UNORM;
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case VK_FORMAT_R8G8B8A8_SRGB: return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
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case VK_FORMAT_R8G8B8A8_UNORM: return DXGI_FORMAT_R8G8B8A8_UNORM; // Should not be used, colour precision.
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case VK_FORMAT_R32_SFLOAT: return DXGI_FORMAT_R32_FLOAT;
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case VK_FORMAT_X8_D24_UNORM_PACK32: /// @todo DXGI_FORMAT_D24_UNORM_S8_UINT ?
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return (DXGI_FORMAT)0;
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case VK_FORMAT_A2B10G10R10_UNORM_PACK32: /// @todo DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM ?
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return (DXGI_FORMAT)0;
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default: return (DXGI_FORMAT)0;
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}
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}
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static inline DXGI_FORMAT
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d3d_dxgi_format_to_typeless_dxgi(DXGI_FORMAT format)
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{
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switch (format) {
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case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: //
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case DXGI_FORMAT_B8G8R8A8_UNORM: //
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return DXGI_FORMAT_B8G8R8A8_TYPELESS;
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case DXGI_FORMAT_D16_UNORM: //
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return DXGI_FORMAT_R16_TYPELESS;
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case DXGI_FORMAT_D32_FLOAT: //
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return DXGI_FORMAT_R32_TYPELESS;
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case DXGI_FORMAT_D24_UNORM_S8_UINT: //
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return DXGI_FORMAT_R24G8_TYPELESS;
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case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: //
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return DXGI_FORMAT_R32G8X24_TYPELESS;
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case DXGI_FORMAT_R16G16B16A16_FLOAT: //
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case DXGI_FORMAT_R16G16B16A16_UNORM: //
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return DXGI_FORMAT_R16G16B16A16_TYPELESS;
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case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
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case DXGI_FORMAT_R8G8B8A8_UNORM: //
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return DXGI_FORMAT_R8G8B8A8_TYPELESS;
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case DXGI_FORMAT_R32_FLOAT: //
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return DXGI_FORMAT_R32_TYPELESS;
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default: return format;
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}
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}
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static inline int64_t
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d3d_dxgi_format_to_vk(DXGI_FORMAT format)
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{
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switch (format) {
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case DXGI_FORMAT_R8G8B8A8_UNORM: return VK_FORMAT_R8G8B8A8_UNORM; // Should not be used, colour precision.
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case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB: return VK_FORMAT_R8G8B8A8_SRGB;
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case DXGI_FORMAT_B8G8R8A8_UNORM: return VK_FORMAT_B8G8R8A8_UNORM;
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case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: return VK_FORMAT_B8G8R8A8_SRGB;
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case DXGI_FORMAT_R16G16B16A16_FLOAT: return VK_FORMAT_R16G16B16A16_SFLOAT;
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case DXGI_FORMAT_R16G16B16A16_UNORM: return VK_FORMAT_R16G16B16A16_UNORM;
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case DXGI_FORMAT_R16G16B16A16_SNORM: return VK_FORMAT_R16G16B16A16_SNORM;
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case DXGI_FORMAT_R32_FLOAT: return VK_FORMAT_R32_SFLOAT;
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case DXGI_FORMAT_D16_UNORM: return VK_FORMAT_D16_UNORM;
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case DXGI_FORMAT_D32_FLOAT: return VK_FORMAT_D32_SFLOAT;
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case DXGI_FORMAT_D24_UNORM_S8_UINT: return VK_FORMAT_D24_UNORM_S8_UINT;
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case DXGI_FORMAT_D32_FLOAT_S8X24_UINT: return VK_FORMAT_D32_SFLOAT_S8_UINT;
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default: return 0;
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}
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}
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#ifdef __cplusplus
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}
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#endif
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