-
-static size_t
-_calcDataSize(DXGI_FORMAT Format, UINT Width, UINT Height, UINT RowPitch, UINT Depth = 1, UINT DepthPitch = 0) {
- if (Width == 0 || Height == 0 || Depth == 0) {
- return 0;
- }
-
- size_t BlockSize = 0;
- UINT BlockWidth = 1;
- UINT BlockHeight = 1;
- switch (Format) {
- case DXGI_FORMAT_UNKNOWN:
- return 0;
- case DXGI_FORMAT_R32G32B32A32_TYPELESS:
- case DXGI_FORMAT_R32G32B32A32_FLOAT:
- case DXGI_FORMAT_R32G32B32A32_UINT:
- case DXGI_FORMAT_R32G32B32A32_SINT:
- BlockSize = 128;
- break;
- case DXGI_FORMAT_R32G32B32_TYPELESS:
- case DXGI_FORMAT_R32G32B32_FLOAT:
- case DXGI_FORMAT_R32G32B32_UINT:
- case DXGI_FORMAT_R32G32B32_SINT:
- BlockSize = 96;
- break;
- 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:
- case DXGI_FORMAT_R32G32_TYPELESS:
- case DXGI_FORMAT_R32G32_FLOAT:
- case DXGI_FORMAT_R32G32_UINT:
- case DXGI_FORMAT_R32G32_SINT:
- case DXGI_FORMAT_R32G8X24_TYPELESS:
- case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
- case DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS:
- case DXGI_FORMAT_X32_TYPELESS_G8X24_UINT:
- BlockSize = 64;
- break;
- case DXGI_FORMAT_R10G10B10A2_TYPELESS:
- case DXGI_FORMAT_R10G10B10A2_UNORM:
- case DXGI_FORMAT_R10G10B10A2_UINT:
- case DXGI_FORMAT_R11G11B10_FLOAT:
- 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_R16G16_TYPELESS:
- case DXGI_FORMAT_R16G16_FLOAT:
- case DXGI_FORMAT_R16G16_UNORM:
- case DXGI_FORMAT_R16G16_UINT:
- case DXGI_FORMAT_R16G16_SNORM:
- case DXGI_FORMAT_R16G16_SINT:
- case DXGI_FORMAT_R32_TYPELESS:
- case DXGI_FORMAT_D32_FLOAT:
- case DXGI_FORMAT_R32_FLOAT:
- case DXGI_FORMAT_R32_UINT:
- case DXGI_FORMAT_R32_SINT:
- case DXGI_FORMAT_R24G8_TYPELESS:
- case DXGI_FORMAT_D24_UNORM_S8_UINT:
- case DXGI_FORMAT_R24_UNORM_X8_TYPELESS:
- case DXGI_FORMAT_X24_TYPELESS_G8_UINT:
- case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
- case DXGI_FORMAT_B8G8R8A8_UNORM:
- case DXGI_FORMAT_B8G8R8X8_UNORM:
- case DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM:
- case DXGI_FORMAT_B8G8R8A8_TYPELESS:
- case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
- case DXGI_FORMAT_B8G8R8X8_TYPELESS:
- case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
- BlockSize = 32;
- break;
- case DXGI_FORMAT_R8G8_TYPELESS:
- case DXGI_FORMAT_R8G8_UNORM:
- case DXGI_FORMAT_R8G8_UINT:
- case DXGI_FORMAT_R8G8_SNORM:
- case DXGI_FORMAT_R8G8_SINT:
- case DXGI_FORMAT_R16_TYPELESS:
- case DXGI_FORMAT_R16_FLOAT:
- case DXGI_FORMAT_D16_UNORM:
- case DXGI_FORMAT_R16_UNORM:
- case DXGI_FORMAT_R16_UINT:
- case DXGI_FORMAT_R16_SNORM:
- case DXGI_FORMAT_R16_SINT:
- case DXGI_FORMAT_B5G6R5_UNORM:
- case DXGI_FORMAT_B5G5R5A1_UNORM:
- BlockSize = 16;
- break;
- case DXGI_FORMAT_R8_TYPELESS:
- case DXGI_FORMAT_R8_UNORM:
- case DXGI_FORMAT_R8_UINT:
- case DXGI_FORMAT_R8_SNORM:
- case DXGI_FORMAT_R8_SINT:
- case DXGI_FORMAT_A8_UNORM:
- BlockSize = 8;
- break;
- case DXGI_FORMAT_R1_UNORM:
- BlockSize = 1;
- break;
- case DXGI_FORMAT_R8G8_B8G8_UNORM:
- case DXGI_FORMAT_G8R8_G8B8_UNORM:
- BlockSize = 32;
- BlockWidth = 2;
- break;
- case DXGI_FORMAT_BC1_TYPELESS:
- case DXGI_FORMAT_BC1_UNORM:
- case DXGI_FORMAT_BC1_UNORM_SRGB:
- case DXGI_FORMAT_BC4_TYPELESS:
- case DXGI_FORMAT_BC4_UNORM:
- case DXGI_FORMAT_BC4_SNORM:
- BlockSize = 64;
- BlockWidth = 4;
- BlockHeight = 4;
- break;
- case DXGI_FORMAT_BC2_TYPELESS:
- case DXGI_FORMAT_BC2_UNORM:
- case DXGI_FORMAT_BC2_UNORM_SRGB:
- case DXGI_FORMAT_BC3_TYPELESS:
- case DXGI_FORMAT_BC3_UNORM:
- case DXGI_FORMAT_BC3_UNORM_SRGB:
- case DXGI_FORMAT_BC5_TYPELESS:
- case DXGI_FORMAT_BC5_UNORM:
- case DXGI_FORMAT_BC5_SNORM:
- case DXGI_FORMAT_BC6H_TYPELESS:
- case DXGI_FORMAT_BC6H_UF16:
- case DXGI_FORMAT_BC6H_SF16:
- case DXGI_FORMAT_BC7_TYPELESS:
- case DXGI_FORMAT_BC7_UNORM:
- case DXGI_FORMAT_BC7_UNORM_SRGB:
- BlockSize = 128;
- BlockWidth = 4;
- BlockHeight = 4;
- break;
- default:
- os::log("apitrace: warning: %s: unknown format 0x%04X\n", __FUNCTION__, Format);
- return 0;
- }
-
- Width = (Width + BlockWidth - 1) / BlockWidth;
- Height = (Height + BlockHeight - 1) / BlockHeight;
-
- size_t size = (Width * BlockSize + 7)/ 8;
-
- if (Height > 1) {
- size += (Height - 1) * RowPitch;
- }
-
- if (Depth > 1) {
- size += (Depth - 1) * DepthPitch;
- }
-
- return size;
-}
-
-static size_t
-_calcMipDataSize(UINT MipLevel, DXGI_FORMAT Format, UINT Width, UINT Height, UINT RowPitch, UINT Depth = 1, UINT DepthPitch = 0) {
- if (Width == 0 || Height == 0 || Depth == 0) {
- return 0;
- }
-
- Width = std::max(Width >> MipLevel, UINT(1));
- Height = std::max(Height >> MipLevel, UINT(1));
- Depth = std::max(Depth >> MipLevel, UINT(1));
-
- return _calcDataSize(Format, Width, Height, RowPitch, Depth, DepthPitch);
-}