Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Encode astc support #952

Open
wants to merge 5 commits into
base: main
Choose a base branch
from
Open

Encode astc support #952

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
85216e7
Add format option and make it exclusive option with encode
wasimabbas-arm Oct 19, 2024
50028bc
Add astc encode support
wasimabbas-arm Oct 19, 2024
c331bc9
Rename astc_encode.cpp to astc_codec.cpp, use dfd model to query for …
wasimabbas-arm Nov 13, 2024
cecb7b0
Fix bug with transcode swizzle calculation
wasimabbas-arm Nov 13, 2024
eb9ce30
Minor fix to wording
wasimabbas-arm Nov 13, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -762,7 +762,7 @@ macro(common_libktx_settings target enable_write library_type)
${target}
PRIVATE
lib/basis_encode.cpp
lib/astc_encode.cpp
lib/astc_codec.cpp
${BASISU_ENCODER_C_SRC}
${BASISU_ENCODER_CXX_SRC}
lib/writer1.c
Expand Down
3 changes: 3 additions & 0 deletions include/ktx.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1312,6 +1312,9 @@ ktxTexture2_CompressAstcEx(ktxTexture2* This, ktxAstcParams* params);
KTX_API KTX_error_code KTX_APIENTRY
ktxTexture2_CompressAstc(ktxTexture2* This, ktx_uint32_t quality);

KTX_API KTX_error_code KTX_APIENTRY
ktxTexture2_DecodeAstc(ktxTexture2* This, ktx_uint32_t vkformat);

/**
* @memberof ktxTexture2
* @~English
Expand Down
318 changes: 315 additions & 3 deletions lib/astc_encode.cpp → lib/astc_codec.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -360,7 +360,7 @@ astcSwizzle(const ktxAstcParams &params) {

static void
astcBlockDimensions(ktx_uint32_t block_size,
uint32_t& block_x, uint32_t& block_y, uint32_t& block_z) {
uint32_t& block_x, uint32_t& block_y, uint32_t& block_z) {
switch (block_size) {
case KTX_PACK_ASTC_BLOCK_DIMENSION_4x4 : block_x = 4; block_y = 4; block_z = 1; break;
case KTX_PACK_ASTC_BLOCK_DIMENSION_5x4 : block_x = 5; block_y = 4; block_z = 1; break;
Expand Down Expand Up @@ -391,6 +391,88 @@ astcBlockDimensions(ktx_uint32_t block_size,
}
}


static void
astcBlockDimensions(VkFormat format,
uint32_t &x, uint32_t &y, uint32_t &z) noexcept {
switch (format) {
case VK_FORMAT_ASTC_4x4_UNORM_BLOCK: x = 4; y = 4; z = 0; break;
case VK_FORMAT_ASTC_4x4_SRGB_BLOCK: x = 4; y = 4; z = 0; break;
case VK_FORMAT_ASTC_5x4_UNORM_BLOCK: x = 5; y = 4; z = 0; break;
case VK_FORMAT_ASTC_5x4_SRGB_BLOCK: x = 5; y = 4; z = 0; break;
case VK_FORMAT_ASTC_5x5_UNORM_BLOCK: x = 5; y = 5; z = 0; break;
case VK_FORMAT_ASTC_5x5_SRGB_BLOCK: x = 5; y = 5; z = 0; break;
case VK_FORMAT_ASTC_6x5_UNORM_BLOCK: x = 6; y = 5; z = 0; break;
case VK_FORMAT_ASTC_6x5_SRGB_BLOCK: x = 6; y = 5; z = 0; break;
case VK_FORMAT_ASTC_6x6_UNORM_BLOCK: x = 6; y = 6; z = 0; break;
case VK_FORMAT_ASTC_6x6_SRGB_BLOCK: x = 6; y = 6; z = 0; break;
case VK_FORMAT_ASTC_8x5_UNORM_BLOCK: x = 8; y = 5; z = 0; break;
case VK_FORMAT_ASTC_8x5_SRGB_BLOCK: x = 8; y = 5; z = 0; break;
case VK_FORMAT_ASTC_8x6_UNORM_BLOCK: x = 8; y = 6; z = 0; break;
case VK_FORMAT_ASTC_8x6_SRGB_BLOCK: x = 8; y = 6; z = 0; break;
case VK_FORMAT_ASTC_8x8_UNORM_BLOCK: x = 8; y = 8; z = 0; break;
case VK_FORMAT_ASTC_8x8_SRGB_BLOCK: x = 8; y = 8; z = 0; break;
case VK_FORMAT_ASTC_10x5_UNORM_BLOCK: x = 10; y = 5; z = 0; break;
case VK_FORMAT_ASTC_10x5_SRGB_BLOCK: x = 10; y = 5; z = 0; break;
case VK_FORMAT_ASTC_10x6_UNORM_BLOCK: x = 10; y = 6; z = 0; break;
case VK_FORMAT_ASTC_10x6_SRGB_BLOCK: x = 10; y = 6; z = 0; break;
case VK_FORMAT_ASTC_10x8_UNORM_BLOCK: x = 10; y = 8; z = 0; break;
case VK_FORMAT_ASTC_10x8_SRGB_BLOCK: x = 10; y = 8; z = 0; break;
case VK_FORMAT_ASTC_10x10_UNORM_BLOCK: x = 10; y = 10; z = 0; break;
case VK_FORMAT_ASTC_10x10_SRGB_BLOCK: x = 10; y = 10; z = 0; break;
case VK_FORMAT_ASTC_12x10_UNORM_BLOCK: x = 12; y = 10; z = 0; break;
case VK_FORMAT_ASTC_12x10_SRGB_BLOCK: x = 12; y = 10; z = 0; break;
case VK_FORMAT_ASTC_12x12_UNORM_BLOCK: x = 12; y = 12; z = 0; break;
case VK_FORMAT_ASTC_12x12_SRGB_BLOCK: x = 12; y = 12; z = 0; break;
case VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK: x = 4; y = 4; z = 0; break;
case VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK: x = 5; y = 4; z = 0; break;
case VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK: x = 5; y = 5; z = 0; break;
case VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK: x = 6; y = 5; z = 0; break;
case VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK: x = 6; y = 6; z = 0; break;
case VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK: x = 8; y = 5; z = 0; break;
case VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK: x = 8; y = 6; z = 0; break;
case VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK: x = 8; y = 8; z = 0; break;
case VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK: x = 10; y = 5; z = 0; break;
case VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK: x = 10; y = 6; z = 0; break;
case VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK: x = 10; y = 8; z = 0; break;
case VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK: x = 10; y = 10; z = 0; break;
case VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK: x = 12; y = 10; z = 0; break;
case VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK: x = 12; y = 12; z = 0; break;
case VK_FORMAT_ASTC_3x3x3_UNORM_BLOCK_EXT: x = 3; y = 3; z = 3; break;
case VK_FORMAT_ASTC_3x3x3_SRGB_BLOCK_EXT: x = 3; y = 3; z = 3; break;
case VK_FORMAT_ASTC_3x3x3_SFLOAT_BLOCK_EXT: x = 3; y = 3; z = 3; break;
case VK_FORMAT_ASTC_4x3x3_UNORM_BLOCK_EXT: x = 4; y = 3; z = 3; break;
case VK_FORMAT_ASTC_4x3x3_SRGB_BLOCK_EXT: x = 4; y = 3; z = 3; break;
case VK_FORMAT_ASTC_4x3x3_SFLOAT_BLOCK_EXT: x = 4; y = 3; z = 3; break;
case VK_FORMAT_ASTC_4x4x3_UNORM_BLOCK_EXT: x = 4; y = 4; z = 3; break;
case VK_FORMAT_ASTC_4x4x3_SRGB_BLOCK_EXT: x = 4; y = 4; z = 3; break;
case VK_FORMAT_ASTC_4x4x3_SFLOAT_BLOCK_EXT: x = 4; y = 4; z = 3; break;
case VK_FORMAT_ASTC_4x4x4_UNORM_BLOCK_EXT: x = 4; y = 4; z = 4; break;
case VK_FORMAT_ASTC_4x4x4_SRGB_BLOCK_EXT: x = 4; y = 4; z = 4; break;
case VK_FORMAT_ASTC_4x4x4_SFLOAT_BLOCK_EXT: x = 4; y = 4; z = 4; break;
case VK_FORMAT_ASTC_5x4x4_UNORM_BLOCK_EXT: x = 5; y = 4; z = 4; break;
case VK_FORMAT_ASTC_5x4x4_SRGB_BLOCK_EXT: x = 5; y = 4; z = 4; break;
case VK_FORMAT_ASTC_5x4x4_SFLOAT_BLOCK_EXT: x = 5; y = 4; z = 4; break;
case VK_FORMAT_ASTC_5x5x4_UNORM_BLOCK_EXT: x = 5; y = 5; z = 4; break;
case VK_FORMAT_ASTC_5x5x4_SRGB_BLOCK_EXT: x = 5; y = 5; z = 4; break;
case VK_FORMAT_ASTC_5x5x4_SFLOAT_BLOCK_EXT: x = 5; y = 5; z = 4; break;
case VK_FORMAT_ASTC_5x5x5_UNORM_BLOCK_EXT: x = 5; y = 5; z = 5; break;
case VK_FORMAT_ASTC_5x5x5_SRGB_BLOCK_EXT: x = 5; y = 5; z = 5; break;
case VK_FORMAT_ASTC_5x5x5_SFLOAT_BLOCK_EXT: x = 5; y = 5; z = 5; break;
case VK_FORMAT_ASTC_6x5x5_UNORM_BLOCK_EXT: x = 6; y = 5; z = 5; break;
case VK_FORMAT_ASTC_6x5x5_SRGB_BLOCK_EXT: x = 6; y = 5; z = 5; break;
case VK_FORMAT_ASTC_6x5x5_SFLOAT_BLOCK_EXT: x = 6; y = 5; z = 5; break;
case VK_FORMAT_ASTC_6x6x5_UNORM_BLOCK_EXT: x = 6; y = 6; z = 5; break;
case VK_FORMAT_ASTC_6x6x5_SRGB_BLOCK_EXT: x = 6; y = 6; z = 5; break;
case VK_FORMAT_ASTC_6x6x5_SFLOAT_BLOCK_EXT: x = 6; y = 6; z = 5; break;
case VK_FORMAT_ASTC_6x6x6_UNORM_BLOCK_EXT: x = 6; y = 6; z = 6; break;
case VK_FORMAT_ASTC_6x6x6_SRGB_BLOCK_EXT: x = 6; y = 6; z = 6; break;
case VK_FORMAT_ASTC_6x6x6_SFLOAT_BLOCK_EXT: x = 6; y = 6; z = 6; break;
default:
x = 0; y = 0; z = 0;
}
}

static float
astcQuality(ktx_uint32_t quality_level) {
switch (quality_level) {
Expand Down Expand Up @@ -716,8 +798,9 @@ ktxTexture2_CompressAstcEx(ktxTexture2* This, ktxAstcParams* params) {
assert(KHR_DFDVAL(prototype->pDfd+1, MODEL) == KHR_DF_MODEL_ASTC
&& "Invalid dfd generated for ASTC image\n");
assert((transfer == KHR_DF_TRANSFER_SRGB
? KHR_DFDVAL(prototype->pDfd+1, PRIMARIES) == KHR_DF_PRIMARIES_SRGB
: true) && "Not a valid sRGB image\n");
? KHR_DFDVAL(prototype->pDfd+1, TRANSFER) == KHR_DF_TRANSFER_SRGB &&
KHR_DFDVAL(prototype->pDfd+1, PRIMARIES) == KHR_DF_PRIMARIES_SRGB
: true) && "Not a valid sRGB image\n");

// Fix up the current (This) texture
#undef DECLARE_PRIVATE
Expand Down Expand Up @@ -807,3 +890,232 @@ ktxTexture2_CompressAstc(ktxTexture2* This, ktx_uint32_t quality) {

return ktxTexture2_CompressAstcEx(This, &params);
}

struct decompression_workload
{
astcenc_context* context;
uint8_t* data;
size_t data_len;
astcenc_image* image_out;
astcenc_swizzle swizzle;
astcenc_error error;
};

/**
* @brief Runner callback function for a decompression worker thread.
*
* @param thread_count The number of threads in the worker pool.
* @param thread_id The index of this thread in the worker pool.
* @param payload The parameters for this thread.
*/
static void decompression_workload_runner(int thread_count, int thread_id, void* payload) {
(void)thread_count;

decompression_workload* work = static_cast<decompression_workload*>(payload);
astcenc_error error = astcenc_decompress_image(work->context, work->data, work->data_len,
work->image_out, &work->swizzle, thread_id);
// This is a racy update, so which error gets returned is a random, but it
// will reliably report an error if an error occurs
if (error != ASTCENC_SUCCESS)
{
work->error = error;
}
}

/**
* @brief Decodes the provided ktx2 texture if its astc encoded
*
* @param This The texture to decode
* @param vkformat The decoding format to use
*/
// will update "This" with the uncompressed copy
KTX_API KTX_error_code KTX_APIENTRY
ktxTexture2_DecodeAstc(ktxTexture2 *This, ktx_uint32_t vkformat) {
// Decompress This using astc-decoder
uint32_t* BDB = This->pDfd + 1;
khr_df_model_e colorModel = (khr_df_model_e)KHR_DFDVAL(BDB, MODEL);
if (colorModel != KHR_DF_MODEL_ASTC && This->supercompressionScheme != KTX_SS_NONE) // No supercompression supported yet
{
return KTX_INVALID_OPERATION; // Not in valid astc decodable format
}

DECLARE_PRIVATE(priv, This);

uint32_t channelId = KHR_DFDSVAL(BDB, 0, CHANNELID);
if (channelId == KHR_DF_CHANNEL_ASTC_DATA) {
// Found astc data
}
else
return KTX_FILE_DATA_ERROR;

// Create a prototype texture to use for calculating sizes in the target
// format and, as useful side effects, provide us with a properly sized
// data allocation and the DFD for the target format.
ktxTextureCreateInfo createInfo;
createInfo.glInternalformat = 0;
createInfo.vkFormat = vkformat;
createInfo.baseWidth = This->baseWidth;
createInfo.baseHeight = This->baseHeight;
createInfo.baseDepth = This->baseDepth;
createInfo.generateMipmaps = This->generateMipmaps;
createInfo.isArray = This->isArray;
createInfo.numDimensions = This->numDimensions;
createInfo.numFaces = This->numFaces;
createInfo.numLayers = This->numLayers;
createInfo.numLevels = This->numLevels;
createInfo.pDfd = nullptr;

KTX_error_code result;
ktxTexture2* prototype;
result = ktxTexture2_Create(&createInfo, KTX_TEXTURE_CREATE_ALLOC_STORAGE, &prototype);

if (result != KTX_SUCCESS) {
assert(result == KTX_OUT_OF_MEMORY); // The only run time error
return result;
}

if (!This->pData) {
if (ktxTexture_isActiveStream((ktxTexture*)This)) {
// Load pending. Complete it.
result = ktxTexture2_LoadImageData(This, NULL, 0);
if (result != KTX_SUCCESS)
{
ktxTexture2_Destroy(prototype);
return result;
}
} else {
// No data to transcode.
ktxTexture2_Destroy(prototype);
return KTX_INVALID_OPERATION;
}
}

// This is where I do the decompression from "This" to prototype target
astcenc_profile profile{ASTCENC_PRF_LDR_SRGB};
astcenc_swizzle swizzle{ASTCENC_SWZ_R, ASTCENC_SWZ_G, ASTCENC_SWZ_B, ASTCENC_SWZ_A};

uint32_t block_size_x{4}; // Get the right blocks from vkformat
uint32_t block_size_y{4};
uint32_t block_size_z{1};
float quality{ASTCENC_PRE_MEDIUM};
uint32_t flags{0}; // TODO: Use normals mode to reconstruct normals params->normalMap ? ASTCENC_FLG_MAP_NORMAL : 0};

astcBlockDimensions((VkFormat)This->vkFormat, block_size_x, block_size_y, block_size_z);

// quality = astcQuality(params->qualityLevel);
// profile = astcEncoderAction(*params, BDB);
// swizzle = astcSwizzle(*params);

// if(params->perceptual) flags |= ASTCENC_FLG_USE_PERCEPTUAL;

uint32_t threadCount{1}; // Decompression isn't the bottlneck and only used when checking for psnr and ssim
astcenc_config astc_config;
astcenc_context *astc_context;
astcenc_error astc_error = astcenc_config_init(profile,
block_size_x, block_size_y, block_size_z,
quality, flags,
&astc_config);

if (astc_error != ASTCENC_SUCCESS)
return KTX_INVALID_OPERATION;

astc_error = astcenc_context_alloc(&astc_config, threadCount, &astc_context);

if (astc_error != ASTCENC_SUCCESS)
return KTX_INVALID_OPERATION;

decompression_workload work;
work.context = astc_context;
work.swizzle = swizzle;
work.error = ASTCENC_SUCCESS;

for (uint32_t levelIndex = 0; levelIndex < This->numLevels; ++levelIndex) {
const uint32_t imageWidth = std::max(This->baseWidth >> levelIndex, 1u);
const uint32_t imageHeight = std::max(This->baseHeight >> levelIndex, 1u);
const uint32_t imageDepths = std::max(This->baseDepth >> levelIndex, 1u);

for (uint32_t layerIndex = 0; layerIndex < This->numLayers; ++layerIndex) {
for (uint32_t faceIndex = 0; faceIndex < This->numFaces; ++faceIndex) {
for (uint32_t depthSliceIndex = 0; depthSliceIndex < imageDepths; ++depthSliceIndex) {

ktx_size_t levelImageSizeIn = ktxTexture_calcImageSize(ktxTexture(This), levelIndex, KTX_FORMAT_VERSION_TWO);

ktx_size_t imageOffsetIn;
ktx_size_t imageOffsetOut;

ktxTexture2_GetImageOffset(This, levelIndex, layerIndex, faceIndex + depthSliceIndex, &imageOffsetIn);
ktxTexture2_GetImageOffset(prototype, levelIndex, layerIndex, faceIndex + depthSliceIndex, &imageOffsetOut);

auto* imageDataIn = This->pData + imageOffsetIn;
auto* imageDataOut = prototype->pData + imageOffsetOut;

astcenc_image imageOut;
imageOut.dim_x = imageWidth;
imageOut.dim_y = imageHeight;
imageOut.dim_z = imageDepths;
imageOut.data_type = ASTCENC_TYPE_U8; // TODO: Fix for HDR types
imageOut.data = (void**)&imageDataOut; // TODO: Fix for HDR types

work.data = imageDataIn;
work.data_len = levelImageSizeIn;
work.image_out = &imageOut;

// Only launch worker threads for multi-threaded use - it makes basic
// single-threaded profiling and debugging a little less convoluted
if (threadCount > 1) {
launchThreads(threadCount, decompression_workload_runner, &work);
} else {
work.error = astcenc_decompress_image(work.context, work.data, work.data_len,
work.image_out, &work.swizzle, 0);
}

// Reset ASTC context for next image
astcenc_decompress_reset(astc_context);

if (work.error != ASTCENC_SUCCESS) {
std::cout << "ASTC decompressor failed\n" << astcenc_get_error_string(work.error) << std::endl;

astcenc_context_free(astc_context);
return KTX_INVALID_OPERATION;
}
}
}
}
}

// We are done with astcdecoder
astcenc_context_free(astc_context);

if (result == KTX_SUCCESS) {
// Fix up the current texture
DECLARE_PROTECTED(thisPrtctd, This);
DECLARE_PRIVATE(protoPriv, prototype);
DECLARE_PROTECTED(protoPrtctd, prototype);
memcpy(&thisPrtctd._formatSize, &protoPrtctd._formatSize,
sizeof(ktxFormatSize));
This->vkFormat = vkformat;
This->isCompressed = prototype->isCompressed;
This->supercompressionScheme = KTX_SS_NONE;
priv._requiredLevelAlignment = protoPriv._requiredLevelAlignment;
// Copy the levelIndex from the prototype to This.
memcpy(priv._levelIndex, protoPriv._levelIndex,
This->numLevels * sizeof(ktxLevelIndexEntry));
// Move the DFD and data from the prototype to This.
free(This->pDfd);
This->pDfd = prototype->pDfd;
prototype->pDfd = 0;
free(This->pData);
This->pData = prototype->pData;
This->dataSize = prototype->dataSize;
prototype->pData = 0;
prototype->dataSize = 0;
// Free SGD data
This->_private->_sgdByteLength = 0;
if (This->_private->_supercompressionGlobalData) {
free(This->_private->_supercompressionGlobalData);
This->_private->_supercompressionGlobalData = NULL;
}
}
ktxTexture2_Destroy(prototype);
return result;
}
Loading
Loading