diff options
Diffstat (limited to 'Source/Core/VideoCommon/HiresTextures_DDSLoader.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/HiresTextures_DDSLoader.cpp | 498 |
1 files changed, 0 insertions, 498 deletions
diff --git a/Source/Core/VideoCommon/HiresTextures_DDSLoader.cpp b/Source/Core/VideoCommon/HiresTextures_DDSLoader.cpp deleted file mode 100644 index f3b2daf5eb..0000000000 --- a/Source/Core/VideoCommon/HiresTextures_DDSLoader.cpp +++ /dev/null @@ -1,498 +0,0 @@ -// Copyright 2017 Dolphin Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include "VideoCommon/HiresTextures.h" - -#include <algorithm> -#include <cstddef> -#include <cstdint> -#include <cstring> -#include <functional> - -#include "Common/Align.h" -#include "Common/IOFile.h" -#include "Common/Logging/Log.h" -#include "Common/Swap.h" -#include "VideoCommon/VideoConfig.h" - -namespace -{ -// From https://raw.githubusercontent.com/Microsoft/DirectXTex/master/DirectXTex/DDS.h -// -// This header defines constants and structures that are useful when parsing -// DDS files. DDS files were originally designed to use several structures -// and constants that are native to DirectDraw and are defined in ddraw.h, -// such as DDSURFACEDESC2 and DDSCAPS2. This file defines similar -// (compatible) constants and structures so that one can use DDS files -// without needing to include ddraw.h. -// -// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF -// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO -// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A -// PARTICULAR PURPOSE. -// -// Copyright (c) Microsoft Corporation. All rights reserved. -// -// http://go.microsoft.com/fwlink/?LinkId=248926 - -#pragma pack(push, 1) - -const uint32_t DDS_MAGIC = 0x20534444; // "DDS " - -struct DDS_PIXELFORMAT -{ - uint32_t dwSize; - uint32_t dwFlags; - uint32_t dwFourCC; - uint32_t dwRGBBitCount; - uint32_t dwRBitMask; - uint32_t dwGBitMask; - uint32_t dwBBitMask; - uint32_t dwABitMask; -}; - -#define DDS_FOURCC 0x00000004 // DDPF_FOURCC -#define DDS_RGB 0x00000040 // DDPF_RGB -#define DDS_RGBA 0x00000041 // DDPF_RGB | DDPF_ALPHAPIXELS -#define DDS_LUMINANCE 0x00020000 // DDPF_LUMINANCE -#define DDS_LUMINANCEA 0x00020001 // DDPF_LUMINANCE | DDPF_ALPHAPIXELS -#define DDS_ALPHA 0x00000002 // DDPF_ALPHA -#define DDS_PAL8 0x00000020 // DDPF_PALETTEINDEXED8 -#define DDS_PAL8A 0x00000021 // DDPF_PALETTEINDEXED8 | DDPF_ALPHAPIXELS -#define DDS_BUMPDUDV 0x00080000 // DDPF_BUMPDUDV - -#ifndef MAKEFOURCC -#define MAKEFOURCC(ch0, ch1, ch2, ch3) \ - ((uint32_t)(uint8_t)(ch0) | ((uint32_t)(uint8_t)(ch1) << 8) | ((uint32_t)(uint8_t)(ch2) << 16) | \ - ((uint32_t)(uint8_t)(ch3) << 24)) -#endif /* defined(MAKEFOURCC) */ - -#define DDS_HEADER_FLAGS_TEXTURE \ - 0x00001007 // DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT -#define DDS_HEADER_FLAGS_MIPMAP 0x00020000 // DDSD_MIPMAPCOUNT -#define DDS_HEADER_FLAGS_VOLUME 0x00800000 // DDSD_DEPTH -#define DDS_HEADER_FLAGS_PITCH 0x00000008 // DDSD_PITCH -#define DDS_HEADER_FLAGS_LINEARSIZE 0x00080000 // DDSD_LINEARSIZE - -// Subset here matches D3D10_RESOURCE_DIMENSION and D3D11_RESOURCE_DIMENSION -enum DDS_RESOURCE_DIMENSION -{ - DDS_DIMENSION_TEXTURE1D = 2, - DDS_DIMENSION_TEXTURE2D = 3, - DDS_DIMENSION_TEXTURE3D = 4, -}; - -struct DDS_HEADER -{ - uint32_t dwSize; - uint32_t dwFlags; - uint32_t dwHeight; - uint32_t dwWidth; - uint32_t dwPitchOrLinearSize; - uint32_t dwDepth; // only if DDS_HEADER_FLAGS_VOLUME is set in dwFlags - uint32_t dwMipMapCount; - uint32_t dwReserved1[11]; - DDS_PIXELFORMAT ddspf; - uint32_t dwCaps; - uint32_t dwCaps2; - uint32_t dwCaps3; - uint32_t dwCaps4; - uint32_t dwReserved2; -}; - -struct DDS_HEADER_DXT10 -{ - uint32_t dxgiFormat; - uint32_t resourceDimension; - uint32_t miscFlag; // see DDS_RESOURCE_MISC_FLAG - uint32_t arraySize; - uint32_t miscFlags2; // see DDS_MISC_FLAGS2 -}; - -#pragma pack(pop) - -static_assert(sizeof(DDS_HEADER) == 124, "DDS Header size mismatch"); -static_assert(sizeof(DDS_HEADER_DXT10) == 20, "DDS DX10 Extended Header size mismatch"); - -constexpr DDS_PIXELFORMAT DDSPF_A8R8G8B8 = { - sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000}; -constexpr DDS_PIXELFORMAT DDSPF_X8R8G8B8 = { - sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000}; -constexpr DDS_PIXELFORMAT DDSPF_A8B8G8R8 = { - sizeof(DDS_PIXELFORMAT), DDS_RGBA, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000}; -constexpr DDS_PIXELFORMAT DDSPF_X8B8G8R8 = { - sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000}; -constexpr DDS_PIXELFORMAT DDSPF_R8G8B8 = { - sizeof(DDS_PIXELFORMAT), DDS_RGB, 0, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000}; - -// End of Microsoft code from DDS.h. - -bool DDSPixelFormatMatches(const DDS_PIXELFORMAT& pf1, const DDS_PIXELFORMAT& pf2) -{ - return std::tie(pf1.dwSize, pf1.dwFlags, pf1.dwFourCC, pf1.dwRGBBitCount, pf1.dwRBitMask, - pf1.dwGBitMask, pf1.dwGBitMask, pf1.dwBBitMask, pf1.dwABitMask) == - std::tie(pf2.dwSize, pf2.dwFlags, pf2.dwFourCC, pf2.dwRGBBitCount, pf2.dwRBitMask, - pf2.dwGBitMask, pf2.dwGBitMask, pf2.dwBBitMask, pf2.dwABitMask); -} - -struct DDSLoadInfo -{ - u32 block_size = 1; - u32 bytes_per_block = 4; - u32 width = 0; - u32 height = 0; - u32 mip_count = 0; - AbstractTextureFormat format = AbstractTextureFormat::RGBA8; - size_t first_mip_offset = 0; - size_t first_mip_size = 0; - u32 first_mip_row_length = 0; - - std::function<void(HiresTexture::Level*)> conversion_function; -}; - -u32 GetBlockCount(u32 extent, u32 block_size) -{ - return std::max(Common::AlignUp(extent, block_size) / block_size, 1u); -} - -void ConvertTexture_X8B8G8R8(HiresTexture::Level* level) -{ - u8* data_ptr = level->data.data(); - for (u32 row = 0; row < level->height; row++) - { - for (u32 x = 0; x < level->row_length; x++) - { - // Set alpha channel to full intensity. - data_ptr[3] = 0xFF; - data_ptr += sizeof(u32); - } - } -} - -void ConvertTexture_A8R8G8B8(HiresTexture::Level* level) -{ - u8* data_ptr = level->data.data(); - for (u32 row = 0; row < level->height; row++) - { - for (u32 x = 0; x < level->row_length; x++) - { - // Byte swap ABGR -> RGBA - u32 val; - std::memcpy(&val, data_ptr, sizeof(val)); - val = ((val & 0xFF00FF00) | ((val >> 16) & 0xFF) | ((val << 16) & 0xFF0000)); - std::memcpy(data_ptr, &val, sizeof(u32)); - data_ptr += sizeof(u32); - } - } -} - -void ConvertTexture_X8R8G8B8(HiresTexture::Level* level) -{ - u8* data_ptr = level->data.data(); - for (u32 row = 0; row < level->height; row++) - { - for (u32 x = 0; x < level->row_length; x++) - { - // Byte swap XBGR -> RGBX, and set alpha to full intensity. - u32 val; - std::memcpy(&val, data_ptr, sizeof(val)); - val = ((val & 0x0000FF00) | ((val >> 16) & 0xFF) | ((val << 16) & 0xFF0000)) | 0xFF000000; - std::memcpy(data_ptr, &val, sizeof(u32)); - data_ptr += sizeof(u32); - } - } -} - -void ConvertTexture_R8G8B8(HiresTexture::Level* level) -{ - std::vector<u8> new_data(level->row_length * level->height * sizeof(u32)); - - const u8* rgb_data_ptr = level->data.data(); - u8* data_ptr = new_data.data(); - - for (u32 row = 0; row < level->height; row++) - { - for (u32 x = 0; x < level->row_length; x++) - { - // This is BGR in memory. - u32 val; - std::memcpy(&val, rgb_data_ptr, sizeof(val)); - val = ((val & 0x0000FF00) | ((val >> 16) & 0xFF) | ((val << 16) & 0xFF0000)) | 0xFF000000; - std::memcpy(data_ptr, &val, sizeof(u32)); - data_ptr += sizeof(u32); - rgb_data_ptr += 3; - } - } - - level->data = std::move(new_data); -} - -bool ParseDDSHeader(File::IOFile& file, DDSLoadInfo* info) -{ - // Exit as early as possible for non-DDS textures, since all extensions are currently - // passed through this function. - u32 magic; - if (!file.ReadBytes(&magic, sizeof(magic)) || magic != DDS_MAGIC) - return false; - - DDS_HEADER header; - size_t header_size = sizeof(header); - if (!file.ReadBytes(&header, header_size) || header.dwSize < header_size) - return false; - - // Required fields. - if ((header.dwFlags & DDS_HEADER_FLAGS_TEXTURE) != DDS_HEADER_FLAGS_TEXTURE) - return false; - - // Image should be 2D. - if (header.dwFlags & DDS_HEADER_FLAGS_VOLUME) - return false; - - // Presence of width/height fields is already tested by DDS_HEADER_FLAGS_TEXTURE. - info->width = header.dwWidth; - info->height = header.dwHeight; - if (info->width == 0 || info->height == 0) - return false; - - // Check for mip levels. - if (header.dwFlags & DDS_HEADER_FLAGS_MIPMAP) - { - info->mip_count = header.dwMipMapCount; - if (header.dwMipMapCount != 0) - info->mip_count = header.dwMipMapCount; - else - info->mip_count = HiresTexture::CalculateMipCount(info->width, info->height); - } - else - { - info->mip_count = 1; - } - - // Handle fourcc formats vs uncompressed formats. - bool has_fourcc = (header.ddspf.dwFlags & DDS_FOURCC) != 0; - bool needs_s3tc = false; - if (has_fourcc) - { - // Handle DX10 extension header. - u32 dxt10_format = 0; - if (header.ddspf.dwFourCC == MAKEFOURCC('D', 'X', '1', '0')) - { - DDS_HEADER_DXT10 dxt10_header; - if (!file.ReadBytes(&dxt10_header, sizeof(dxt10_header))) - return false; - - // Can't handle array textures here. Doesn't make sense to use them, anyway. - if (dxt10_header.resourceDimension != DDS_DIMENSION_TEXTURE2D || dxt10_header.arraySize != 1) - return false; - - header_size += sizeof(dxt10_header); - dxt10_format = dxt10_header.dxgiFormat; - } - - // Currently, we only handle compressed textures here, and leave the rest to the SOIL loader. - // In the future, this could be extended, but these isn't much benefit in doing so currently. - if (header.ddspf.dwFourCC == MAKEFOURCC('D', 'X', 'T', '1') || dxt10_format == 71) - { - info->format = AbstractTextureFormat::DXT1; - info->block_size = 4; - info->bytes_per_block = 8; - needs_s3tc = true; - } - else if (header.ddspf.dwFourCC == MAKEFOURCC('D', 'X', 'T', '3') || dxt10_format == 74) - { - info->format = AbstractTextureFormat::DXT3; - info->block_size = 4; - info->bytes_per_block = 16; - needs_s3tc = true; - } - else if (header.ddspf.dwFourCC == MAKEFOURCC('D', 'X', 'T', '5') || dxt10_format == 77) - { - info->format = AbstractTextureFormat::DXT5; - info->block_size = 4; - info->bytes_per_block = 16; - needs_s3tc = true; - } - else if (dxt10_format == 98) - { - info->format = AbstractTextureFormat::BPTC; - info->block_size = 4; - info->bytes_per_block = 16; - if (!g_ActiveConfig.backend_info.bSupportsBPTCTextures) - return false; - } - else - { - // Leave all remaining formats to SOIL. - return false; - } - } - else - { - if (DDSPixelFormatMatches(header.ddspf, DDSPF_A8R8G8B8)) - { - info->conversion_function = ConvertTexture_A8R8G8B8; - } - else if (DDSPixelFormatMatches(header.ddspf, DDSPF_X8R8G8B8)) - { - info->conversion_function = ConvertTexture_X8R8G8B8; - } - else if (DDSPixelFormatMatches(header.ddspf, DDSPF_X8B8G8R8)) - { - info->conversion_function = ConvertTexture_X8B8G8R8; - } - else if (DDSPixelFormatMatches(header.ddspf, DDSPF_R8G8B8)) - { - info->conversion_function = ConvertTexture_R8G8B8; - } - else if (DDSPixelFormatMatches(header.ddspf, DDSPF_A8B8G8R8)) - { - // This format is already in RGBA order, so no conversion necessary. - } - else - { - return false; - } - - // All these formats are RGBA, just with byte swapping. - info->format = AbstractTextureFormat::RGBA8; - info->block_size = 1; - info->bytes_per_block = header.ddspf.dwRGBBitCount / 8; - } - - // We also need to ensure the backend supports these formats natively before loading them, - // otherwise, fallback to SOIL, which will decompress them to RGBA. - if (needs_s3tc && !g_ActiveConfig.backend_info.bSupportsST3CTextures) - return false; - - // Mip levels smaller than the block size are padded to multiples of the block size. - u32 blocks_wide = GetBlockCount(info->width, info->block_size); - u32 blocks_high = GetBlockCount(info->height, info->block_size); - - // Pitch can be specified in the header, otherwise we can derive it from the dimensions. For - // compressed formats, both DDS_HEADER_FLAGS_LINEARSIZE and DDS_HEADER_FLAGS_PITCH should be - // set. See https://msdn.microsoft.com/en-us/library/windows/desktop/bb943982(v=vs.85).aspx - if (header.dwFlags & DDS_HEADER_FLAGS_PITCH && header.dwFlags & DDS_HEADER_FLAGS_LINEARSIZE) - { - // Convert pitch (in bytes) to texels/row length. - if (header.dwPitchOrLinearSize < info->bytes_per_block) - { - // Likely a corrupted or invalid file. - return false; - } - - info->first_mip_row_length = - std::max(header.dwPitchOrLinearSize / info->bytes_per_block, 1u) * info->block_size; - info->first_mip_size = static_cast<size_t>(info->first_mip_row_length / info->block_size) * - info->block_size * blocks_high; - } - else - { - // Assume no padding between rows of blocks. - info->first_mip_row_length = blocks_wide * info->block_size; - info->first_mip_size = blocks_wide * static_cast<size_t>(info->bytes_per_block) * blocks_high; - } - - // Check for truncated or corrupted files. - info->first_mip_offset = sizeof(magic) + header_size; - if (info->first_mip_offset >= file.GetSize()) - return false; - - return true; -} - -bool ReadMipLevel(HiresTexture::Level* level, File::IOFile& file, const std::string& filename, - u32 mip_level, const DDSLoadInfo& info, u32 width, u32 height, u32 row_length, - size_t size) -{ - // D3D11 cannot handle block compressed textures where the first mip level is - // not a multiple of the block size. - if (mip_level == 0 && info.block_size > 1 && - ((width % info.block_size) != 0 || (height % info.block_size) != 0)) - { - ERROR_LOG_FMT(VIDEO, - "Invalid dimensions for DDS texture {}. For compressed textures of this format, " - "the width/height of the first mip level must be a multiple of {}.", - filename, info.block_size); - return false; - } - - // Copy to the final storage location. - level->width = width; - level->height = height; - level->format = info.format; - level->row_length = row_length; - level->data.resize(size); - if (!file.ReadBytes(level->data.data(), level->data.size())) - return false; - - // Apply conversion function for uncompressed textures. - if (info.conversion_function) - info.conversion_function(level); - - return true; -} - -} // namespace - -bool HiresTexture::LoadDDSTexture(HiresTexture* tex, const std::string& filename) -{ - File::IOFile file; - file.Open(filename, "rb"); - if (!file.IsOpen()) - return false; - - DDSLoadInfo info; - if (!ParseDDSHeader(file, &info)) - return false; - - // Read first mip level, as it may have a custom pitch. - Level first_level; - if (!file.Seek(info.first_mip_offset, File::SeekOrigin::Begin) || - !ReadMipLevel(&first_level, file, filename, 0, info, info.width, info.height, - info.first_mip_row_length, info.first_mip_size)) - { - return false; - } - - tex->m_levels.push_back(std::move(first_level)); - - // Read in any remaining mip levels in the file. - // If the .dds file does not contain a full mip chain, we'll fall back to the old path. - u32 mip_width = info.width; - u32 mip_height = info.height; - for (u32 i = 1; i < info.mip_count; i++) - { - mip_width = std::max(mip_width / 2, 1u); - mip_height = std::max(mip_height / 2, 1u); - - // Pitch can't be specified with each mip level, so we have to calculate it ourselves. - u32 blocks_wide = GetBlockCount(mip_width, info.block_size); - u32 blocks_high = GetBlockCount(mip_height, info.block_size); - u32 mip_row_length = blocks_wide * info.block_size; - size_t mip_size = blocks_wide * static_cast<size_t>(info.bytes_per_block) * blocks_high; - Level level; - if (!ReadMipLevel(&level, file, filename, i, info, mip_width, mip_height, mip_row_length, - mip_size)) - break; - - tex->m_levels.push_back(std::move(level)); - } - - return true; -} - -bool HiresTexture::LoadDDSTexture(Level& level, const std::string& filename, u32 mip_level) -{ - // Only loading a single mip level. - File::IOFile file; - file.Open(filename, "rb"); - if (!file.IsOpen()) - return false; - - DDSLoadInfo info; - if (!ParseDDSHeader(file, &info)) - return false; - - return ReadMipLevel(&level, file, filename, mip_level, info, info.width, info.height, - info.first_mip_row_length, info.first_mip_size); -} |