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Diffstat (limited to 'demo/d3d12/NvCoDxFormatUtil.cpp')
| -rw-r--r-- | demo/d3d12/NvCoDxFormatUtil.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/demo/d3d12/NvCoDxFormatUtil.cpp b/demo/d3d12/NvCoDxFormatUtil.cpp new file mode 100644 index 0000000..7facf2e --- /dev/null +++ b/demo/d3d12/NvCoDxFormatUtil.cpp @@ -0,0 +1,173 @@ +/* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. +* NVIDIA CORPORATION and its licensors retain all intellectual property +* and proprietary rights in and to this software, related documentation +* and any modifications thereto. Any use, reproduction, disclosure or +* distribution of this software and related documentation without an express +* license agreement from NVIDIA CORPORATION is strictly prohibited. */ + +#include "NvCoDxFormatUtil.h" + +#include <stdio.h> + +namespace nvidia { +namespace Common { + +/* static */DXGI_FORMAT DxFormatUtil::calcResourceFormat(UsageType usage, int usageFlags, DXGI_FORMAT format) +{ + (void)usage; + if (usageFlags) + { + switch (format) + { + case DXGI_FORMAT_R32_FLOAT: + case DXGI_FORMAT_D32_FLOAT: return DXGI_FORMAT_R32_TYPELESS; + case DXGI_FORMAT_D24_UNORM_S8_UINT: return DXGI_FORMAT_R24G8_TYPELESS; + default: break; + } + return format; + } + return format; +} + +/* static */DXGI_FORMAT DxFormatUtil::calcFormat(UsageType usage, DXGI_FORMAT format) +{ + switch (usage) + { + case USAGE_COUNT_OF: + case USAGE_UNKNOWN: + { + return DXGI_FORMAT_UNKNOWN; + } + case USAGE_DEPTH_STENCIL: + { + switch (format) + { + case DXGI_FORMAT_D32_FLOAT: + case DXGI_FORMAT_R32_TYPELESS: return DXGI_FORMAT_D32_FLOAT; + case DXGI_FORMAT_R24_UNORM_X8_TYPELESS: return DXGI_FORMAT_D24_UNORM_S8_UINT; + case DXGI_FORMAT_R24G8_TYPELESS: return DXGI_FORMAT_D24_UNORM_S8_UINT; + default: break; + } + return format; + } + case USAGE_TARGET: + { + switch (format) + { + case DXGI_FORMAT_D32_FLOAT: + case DXGI_FORMAT_D24_UNORM_S8_UINT: return DXGI_FORMAT_UNKNOWN; + case DXGI_FORMAT_R32_TYPELESS: return DXGI_FORMAT_R32_FLOAT; + default: break; + } + return format; + } + case USAGE_SRV: + { + switch (format) + { + case DXGI_FORMAT_D32_FLOAT: + case DXGI_FORMAT_R32_TYPELESS: return DXGI_FORMAT_R32_FLOAT; + case DXGI_FORMAT_R24_UNORM_X8_TYPELESS: return DXGI_FORMAT_R24_UNORM_X8_TYPELESS; + default: break; + } + + return format; + } + } + + printf("Not reachable"); + return DXGI_FORMAT_UNKNOWN; +} + +bool DxFormatUtil::isTypeless(DXGI_FORMAT format) +{ + switch (format) + { + case DXGI_FORMAT_R32G32B32A32_TYPELESS: + case DXGI_FORMAT_R32G32B32_TYPELESS: + case DXGI_FORMAT_R16G16B16A16_TYPELESS: + case DXGI_FORMAT_R32G32_TYPELESS: + case DXGI_FORMAT_R32G8X24_TYPELESS: + case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS: + case DXGI_FORMAT_R10G10B10A2_TYPELESS: + case DXGI_FORMAT_R8G8B8A8_TYPELESS: + case DXGI_FORMAT_R16G16_TYPELESS: + case DXGI_FORMAT_R32_TYPELESS: + case DXGI_FORMAT_R24_UNORM_X8_TYPELESS: + case DXGI_FORMAT_R24G8_TYPELESS: + case DXGI_FORMAT_R8G8_TYPELESS: + case DXGI_FORMAT_R16_TYPELESS: + case DXGI_FORMAT_R8_TYPELESS: + case DXGI_FORMAT_BC1_TYPELESS: + case DXGI_FORMAT_BC2_TYPELESS: + case DXGI_FORMAT_BC3_TYPELESS: + case DXGI_FORMAT_BC4_TYPELESS: + case DXGI_FORMAT_BC5_TYPELESS: + case DXGI_FORMAT_B8G8R8A8_TYPELESS: + case DXGI_FORMAT_BC6H_TYPELESS: + case DXGI_FORMAT_BC7_TYPELESS: + { + return true; + } + default: break; + } + return false; +} + +/* static */int DxFormatUtil::getNumColorChannelBits(DXGI_FORMAT fmt) +{ + switch (fmt) + { + case DXGI_FORMAT_R32G32B32A32_TYPELESS: + case DXGI_FORMAT_R32G32B32A32_FLOAT: + case DXGI_FORMAT_R32G32B32A32_UINT: + case DXGI_FORMAT_R32G32B32A32_SINT: + case DXGI_FORMAT_R32G32B32_TYPELESS: + case DXGI_FORMAT_R32G32B32_FLOAT: + case DXGI_FORMAT_R32G32B32_UINT: + case DXGI_FORMAT_R32G32B32_SINT: + return 32; + + case DXGI_FORMAT_R16G16B16A16_TYPELESS: + case DXGI_FORMAT_R16G16B16A16_FLOAT: + case DXGI_FORMAT_R16G16B16A16_UNORM: + case DXGI_FORMAT_R16G16B16A16_UINT: + case DXGI_FORMAT_R16G16B16A16_SNORM: + case DXGI_FORMAT_R16G16B16A16_SINT: + return 16; + + case DXGI_FORMAT_R10G10B10A2_TYPELESS: + case DXGI_FORMAT_R10G10B10A2_UNORM: + case DXGI_FORMAT_R10G10B10A2_UINT: + case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM: + return 10; + + case DXGI_FORMAT_R8G8B8A8_TYPELESS: + case DXGI_FORMAT_R8G8B8A8_UNORM: + case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB: + case DXGI_FORMAT_R8G8B8A8_UINT: + case DXGI_FORMAT_R8G8B8A8_SNORM: + case DXGI_FORMAT_R8G8B8A8_SINT: + case DXGI_FORMAT_B8G8R8A8_UNORM: + case DXGI_FORMAT_B8G8R8X8_UNORM: + case DXGI_FORMAT_B8G8R8A8_TYPELESS: + case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: + case DXGI_FORMAT_B8G8R8X8_TYPELESS: + case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB: + return 8; + + case DXGI_FORMAT_B5G6R5_UNORM: + case DXGI_FORMAT_B5G5R5A1_UNORM: + return 5; + + case DXGI_FORMAT_B4G4R4A4_UNORM: + return 4; + + default: + return 0; + } +} + + +} // namespace Common +} // namespace nvidia |