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Add support for importing .exr textures

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#2375
This commit is contained in:
Wojtek Figat
2024-04-16 15:19:33 +02:00
parent daf3671233
commit 1a87e5a2ca
11 changed files with 9473 additions and 8 deletions
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70
Source/Engine/Tools/TextureTool/TextureTool.stb.cpp
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@@ -10,6 +10,7 @@
#include "Engine/Graphics/RenderTools.h"
#include "Engine/Graphics/Textures/TextureData.h"
#include "Engine/Graphics/PixelFormatExtensions.h"
#include "Engine/Utilities/AnsiPathTempFile.h"
#include "Engine/Platform/File.h"
#define STBI_ASSERT(x) ASSERT(x)
@@ -48,6 +49,18 @@
// Compression libs for Editor
#include <ThirdParty/detex/detex.h>
#include <ThirdParty/bc7enc16/bc7enc16.h>
// Import tinyexr library
// Source: https://github.com/syoyo/tinyexr
#define TINYEXR_IMPLEMENTATION
#define TINYEXR_USE_MINIZ 1
#define TINYEXR_USE_STB_ZLIB 0
#define TINYEXR_USE_THREAD 0
#define TINYEXR_USE_OPENMP 0
#undef min
#undef max
#include <ThirdParty/tinyexr/tinyexr.h>
#endif
static void stbWrite(void* context, void* data, int size)
@@ -173,7 +186,7 @@ bool TextureTool::ExportTextureStb(ImageType type, const StringView& path, const
{
if (textureData.GetArraySize() != 1)
{
LOG(Warning, "Exporting texture arrays and cubemaps is not supported by stb library.");
LOG(Warning, "Exporting texture arrays and cubemaps is not supported.");
}
TextureData const* texture = &textureData;
@@ -189,7 +202,7 @@ bool TextureTool::ExportTextureStb(ImageType type, const StringView& path, const
const auto sampler = GetSampler(texture->Format);
if (sampler == nullptr)
{
LOG(Warning, "Texture data format {0} is not supported by stb library.", (int32)textureData.Format);
LOG(Warning, "Texture data format {0} is not supported.", (int32)textureData.Format);
return true;
}
const auto srcData = texture->GetData(0, 0);
@@ -272,16 +285,19 @@ bool TextureTool::ExportTextureStb(ImageType type, const StringView& path, const
break;
}
case ImageType::GIF:
LOG(Warning, "GIF format is not supported by stb library.");
LOG(Warning, "GIF format is not supported.");
break;
case ImageType::TIFF:
LOG(Warning, "GIF format is not supported by stb library.");
LOG(Warning, "GIF format is not supported.");
break;
case ImageType::DDS:
LOG(Warning, "DDS format is not supported by stb library.");
LOG(Warning, "DDS format is not supported.");
break;
case ImageType::RAW:
LOG(Warning, "RAW format is not supported by stb library.");
LOG(Warning, "RAW format is not supported.");
break;
case ImageType::EXR:
LOG(Warning, "EXR format is not supported.");
break;
default:
LOG(Warning, "Unknown format.");
@@ -383,11 +399,49 @@ bool TextureTool::ImportTextureStb(ImageType type, const StringView& path, Textu
break;
}
case ImageType::EXR:
{
#if USE_EDITOR
// Load exr file
AnsiPathTempFile tempFile(path);
float* pixels;
int width, height;
const char* err = nullptr;
int ret = LoadEXR(&pixels, &width, &height, tempFile.Path.Get(), &err);
if (ret != TINYEXR_SUCCESS)
{
if (err)
{
LOG_STR(Warning, String(err));
FreeEXRErrorMessage(err);
}
return true;
}
// Setup texture data
textureData.Width = width;
textureData.Height = height;
textureData.Depth = 1;
textureData.Format = PixelFormat::R32G32B32A32_Float;
textureData.Items.Resize(1);
textureData.Items[0].Mips.Resize(1);
auto& mip = textureData.Items[0].Mips[0];
mip.RowPitch = width * sizeof(Float4);
mip.DepthPitch = mip.RowPitch * height;
mip.Lines = height;
mip.Data.Copy((const byte*)pixels, mip.DepthPitch);
free(pixels);
#else
LOG(Warning, "EXR format is not supported.");
#endif
break;
}
case ImageType::DDS:
LOG(Warning, "DDS format is not supported by stb library.");
LOG(Warning, "DDS format is not supported.");
break;
case ImageType::TIFF:
LOG(Warning, "TIFF format is not supported by stb library.");
LOG(Warning, "TIFF format is not supported.");
break;
default:
LOG(Warning, "Unknown format.");