ReplayCreateStatus IMG_CreateReplayDevice(const char *logfile, IReplayDriver **driver)
{
FILE *f = FileIO::fopen(logfile, "rb");
if(!f)
return eReplayCreate_FileIOFailed;
// make sure the file is a type we recognise before going further
if(is_exr_file(f))
{
const char *err = NULL;
FileIO::fseek64(f, 0, SEEK_END);
uint64_t size = FileIO::ftell64(f);
FileIO::fseek64(f, 0, SEEK_SET);
std::vector<byte> buffer;
buffer.resize((size_t)size);
FileIO::fread(&buffer[0], 1, buffer.size(), f);
EXRImage exrImage;
InitEXRImage(&exrImage);
int ret = ParseMultiChannelEXRHeaderFromMemory(&exrImage, &buffer[0], &err);
FreeEXRImage(&exrImage);
// could be an unsupported form of EXR, like deep image or other
if(ret != 0)
{
FileIO::fclose(f);
RDCERR(
"EXR file detected, but couldn't load with ParseMultiChannelEXRHeaderFromMemory %d: '%s'",
ret, err);
return eReplayCreate_APIUnsupported;
}
}
else if(stbi_is_hdr_from_file(f))
{
FileIO::fseek64(f, 0, SEEK_SET);
int ignore = 0;
float *data = stbi_loadf_from_file(f, &ignore, &ignore, &ignore, 4);
if(!data)
{
FileIO::fclose(f);
RDCERR("HDR file recognised, but couldn't load with stbi_loadf_from_file");
return eReplayCreate_FileCorrupted;
}
free(data);
}
else if(is_dds_file(f))
{
FileIO::fseek64(f, 0, SEEK_SET);
dds_data read_data = load_dds_from_file(f);
if(read_data.subdata == NULL)
{
FileIO::fclose(f);
RDCERR("DDS file recognised, but couldn't load");
return eReplayCreate_FileCorrupted;
}
for(int i = 0; i < read_data.slices * read_data.mips; i++)
delete[] read_data.subdata[i];
delete[] read_data.subdata;
delete[] read_data.subsizes;
}
else
{
int width = 0, height = 0;
int ignore = 0;
int ret = stbi_info_from_file(f, &width, &height, &ignore);
// just in case (we shouldn't have come in here if this weren't true), make sure
// the format is supported
if(ret == 0 || width == 0 || width == ~0U || height == 0 || height == ~0U)
{
FileIO::fclose(f);
return eReplayCreate_APIUnsupported;
}
byte *data = stbi_load_from_file(f, &ignore, &ignore, &ignore, 4);
if(!data)
{
FileIO::fclose(f);
RDCERR("File recognised, but couldn't load with stbi_load_from_file");
return eReplayCreate_FileCorrupted;
}
free(data);
}
FileIO::fclose(f);
IReplayDriver *proxy = NULL;
auto status = RenderDoc::Inst().CreateReplayDriver(RDC_Unknown, NULL, &proxy);
if(status != eReplayCreate_Success || !proxy)
{
if(proxy)
proxy->Shutdown();
return status;
}
*driver = new ImageViewer(proxy, logfile);
return eReplayCreate_Success;
}
void ImageViewer::RefreshFile()
{
FILE *f = NULL;
for(int attempt = 0; attempt < 10 && f == NULL; attempt++)
{
f = FileIO::fopen(m_Filename.c_str(), "rb");
if(f)
break;
Threading::Sleep(40);
}
if(!f)
{
RDCERR("Couldn't open %s! Exclusive lock elsewhere?", m_Filename.c_str());
return;
}
FetchTexture texDetails;
ResourceFormat rgba8_unorm;
rgba8_unorm.compByteWidth = 1;
rgba8_unorm.compCount = 4;
rgba8_unorm.compType = eCompType_UNorm;
rgba8_unorm.special = false;
ResourceFormat rgba32_float = rgba8_unorm;
rgba32_float.compByteWidth = 4;
rgba32_float.compType = eCompType_Float;
texDetails.creationFlags = eTextureCreate_SwapBuffer | eTextureCreate_RTV;
texDetails.cubemap = false;
texDetails.customName = true;
texDetails.name = m_Filename;
texDetails.ID = m_TextureID;
texDetails.byteSize = 0;
texDetails.msQual = 0;
texDetails.msSamp = 1;
texDetails.format = rgba8_unorm;
// reasonable defaults
texDetails.numSubresources = 1;
texDetails.dimension = 2;
texDetails.arraysize = 1;
texDetails.width = 1;
texDetails.height = 1;
texDetails.depth = 1;
texDetails.mips = 1;
byte *data = NULL;
size_t datasize = 0;
bool dds = false;
if(is_exr_file(f))
{
texDetails.format = rgba32_float;
FileIO::fseek64(f, 0, SEEK_END);
uint64_t size = FileIO::ftell64(f);
FileIO::fseek64(f, 0, SEEK_SET);
std::vector<byte> buffer;
buffer.resize((size_t)size);
FileIO::fread(&buffer[0], 1, buffer.size(), f);
FileIO::fclose(f);
EXRImage exrImage;
InitEXRImage(&exrImage);
const char *err = NULL;
int ret = ParseMultiChannelEXRHeaderFromMemory(&exrImage, &buffer[0], &err);
if(ret != 0)
{
RDCERR(
"EXR file detected, but couldn't load with ParseMultiChannelEXRHeaderFromMemory %d: '%s'",
ret, err);
return;
}
texDetails.width = exrImage.width;
texDetails.height = exrImage.height;
datasize = texDetails.width * texDetails.height * 4 * sizeof(float);
data = (byte *)malloc(datasize);
for(int i = 0; i < exrImage.num_channels; i++)
exrImage.requested_pixel_types[i] = TINYEXR_PIXELTYPE_FLOAT;
ret = LoadMultiChannelEXRFromMemory(&exrImage, &buffer[0], &err);
int channels[4] = {-1, -1, -1, -1};
for(int i = 0; i < exrImage.num_channels; i++)
{
switch(exrImage.channel_names[i][0])
{
case 'R': channels[0] = i; break;
case 'G': channels[1] = i; break;
case 'B': channels[2] = i; break;
case 'A': channels[3] = i; break;
}
}
float *rgba = (float *)data;
float **src = (float **)exrImage.images;
for(uint32_t i = 0; i < texDetails.width * texDetails.height; i++)
{
for(int c = 0; c < 4; c++)
{
if(channels[c] >= 0)
rgba[i * 4 + c] = src[channels[c]][i];
else if(c < 3) // RGB channels default to 0
rgba[i * 4 + c] = 0.0f;
else // alpha defaults to 1
rgba[i * 4 + c] = 1.0f;
}
}
FreeEXRImage(&exrImage);
// shouldn't get here but let's be safe
if(ret != 0)
{
free(data);
RDCERR("EXR file detected, but couldn't load with LoadEXRFromMemory %d: '%s'", ret, err);
return;
}
}
else if(stbi_is_hdr_from_file(f))
{
texDetails.format = rgba32_float;
FileIO::fseek64(f, 0, SEEK_SET);
int ignore = 0;
data = (byte *)stbi_loadf_from_file(f, (int *)&texDetails.width, (int *)&texDetails.height,
&ignore, 4);
datasize = texDetails.width * texDetails.height * 4 * sizeof(float);
}
else if(is_dds_file(f))
{
dds = true;
}
else
{
int ignore = 0;
int ret = stbi_info_from_file(f, (int *)&texDetails.width, (int *)&texDetails.height, &ignore);
// just in case (we shouldn't have come in here if this weren't true), make sure
// the format is supported
if(ret == 0 || texDetails.width == 0 || texDetails.width == ~0U || texDetails.height == 0 ||
texDetails.height == ~0U)
{
FileIO::fclose(f);
return;
}
texDetails.format = rgba8_unorm;
data = stbi_load_from_file(f, (int *)&texDetails.width, (int *)&texDetails.height, &ignore, 4);
datasize = texDetails.width * texDetails.height * 4 * sizeof(byte);
}
// if we don't have data at this point (and we're not a dds file) then the
// file was corrupted and we failed to load it
if(!dds && data == NULL)
{
FileIO::fclose(f);
return;
}
m_FrameRecord.frameInfo.initDataSize = 0;
m_FrameRecord.frameInfo.persistentSize = 0;
m_FrameRecord.frameInfo.fileSize = datasize;
dds_data read_data = {0};
if(dds)
{
FileIO::fseek64(f, 0, SEEK_SET);
read_data = load_dds_from_file(f);
if(read_data.subdata == NULL)
{
FileIO::fclose(f);
return;
}
texDetails.cubemap = read_data.cubemap;
texDetails.arraysize = read_data.slices;
texDetails.width = read_data.width;
texDetails.height = read_data.height;
texDetails.depth = read_data.depth;
texDetails.mips = read_data.mips;
texDetails.numSubresources = texDetails.arraysize * texDetails.mips;
texDetails.format = read_data.format;
texDetails.dimension = 1;
if(texDetails.width > 1)
texDetails.dimension = 2;
if(texDetails.depth > 1)
texDetails.dimension = 3;
m_FrameRecord.frameInfo.fileSize = 0;
for(uint32_t i = 0; i < texDetails.numSubresources; i++)
m_FrameRecord.frameInfo.fileSize += read_data.subsizes[i];
}
// recreate proxy texture if necessary.
// we rewrite the texture IDs so that the
// outside world doesn't need to know about this
// (we only ever have one texture in the image
// viewer so we can just set all texture IDs
// used to that).
if(m_TextureID != ResourceId())
{
if(m_TexDetails.width != texDetails.width || m_TexDetails.height != texDetails.height ||
m_TexDetails.depth != texDetails.depth || m_TexDetails.cubemap != texDetails.cubemap ||
m_TexDetails.mips != texDetails.mips || m_TexDetails.arraysize != texDetails.arraysize ||
m_TexDetails.width != texDetails.width || m_TexDetails.format != texDetails.format)
{
m_TextureID = ResourceId();
}
}
if(m_TextureID == ResourceId())
m_TextureID = m_Proxy->CreateProxyTexture(texDetails);
if(!dds)
{
m_Proxy->SetProxyTextureData(m_TextureID, 0, 0, data, datasize);
free(data);
}
else
{
for(uint32_t i = 0; i < texDetails.numSubresources; i++)
{
m_Proxy->SetProxyTextureData(m_TextureID, i / texDetails.mips, i % texDetails.mips,
read_data.subdata[i], (size_t)read_data.subsizes[i]);
delete[] read_data.subdata[i];
}
delete[] read_data.subdata;
delete[] read_data.subsizes;
}
FileIO::fclose(f);
}
ImageSourceFileTinyExr::ImageSourceFileTinyExr( DataSourceRef dataSource, ImageSource::Options /*options*/ )
{
mExrImage.reset( new EXRImage );
const char *error;
InitEXRImage( mExrImage.get() );
int status = 0;
if( dataSource->isFilePath() ) {
status = ParseMultiChannelEXRHeaderFromFile( mExrImage.get(), dataSource->getFilePath().string().c_str(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR header; Error message: " ) + error );
status = LoadMultiChannelEXRFromFile( mExrImage.get(), dataSource->getFilePath().string().c_str(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR file; Error message: " ) + error );
}
else {
BufferRef buffer = dataSource->getBuffer();
status = ParseMultiChannelEXRHeaderFromMemory( mExrImage.get(), (const unsigned char*)buffer->getData(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR header; Error message: " ) + error );
status = LoadMultiChannelEXRFromMemory( mExrImage.get(), (const unsigned char*)buffer->getData(), &error );
if( status != 0 )
throw ImageIoExceptionFailedLoadTinyExr( string( "Failed to parse OpenEXR file; Error message: " ) + error );
}
// verify that the channels are all the same size; currently we don't support variably sized channels
int pixelType = mExrImage->pixel_types[0];
for( int c = 1; c < mExrImage->num_channels; ++c ) {
if( pixelType != mExrImage->pixel_types[c] )
throw ImageIoExceptionFailedLoadTinyExr( "TinyExr: heterogneous channel data types not supported" );
}
switch( pixelType ) {
case TINYEXR_PIXELTYPE_HALF:
setDataType( ImageIo::FLOAT16 );
break;
case TINYEXR_PIXELTYPE_FLOAT:
setDataType( ImageIo::FLOAT32 );
break;
default:
throw ImageIoExceptionFailedLoadTinyExr( "TinyExr: Unknown data type" );
break;
}
setSize( mExrImage->width, mExrImage->height );
switch( mExrImage->num_channels ) {
case 3:
setColorModel( ImageIo::CM_RGB );
setChannelOrder( ImageIo::ChannelOrder::RGB );
break;
case 4:
setColorModel( ImageIo::CM_RGB );
setChannelOrder( ImageIo::ChannelOrder::RGBA );
break;
default:
throw ImageIoExceptionFailedLoadTinyExr( "TinyExr: Unsupported number of channels (" + to_string( mExrImage->num_channels ) + ")" );
}
}
