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Add invert options for texture imports for Red, Blue, and Alpha channels.

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This commit is contained in:
Chandler Cox
2024-12-30 21:27:03 -06:00
parent 0f847335c3
commit 899528e087
2 changed files with 96 additions and 5 deletions
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83
Source/Engine/Tools/TextureTool/TextureTool.DirectXTex.cpp
View File

@@ -730,6 +730,9 @@ bool TextureTool::ImportTextureDirectXTex(ImageType type, const StringView& path
if (!options.FlipY &&
!options.FlipX &&
!options.InvertGreenChannel &&
!options.InvertRedChannel &&
!options.InvertAlphaChannel &&
!options.InvertBlueChannel &&
!options.ReconstructZChannel &&
options.Compress &&
type == ImageType::DDS &&
@@ -831,9 +834,7 @@ bool TextureTool::ImportTextureDirectXTex(ImageType type, const StringView& path
for (size_t j = 0; j < w; ++j)
{
const DirectX::XMVECTOR value = inPixels[j];
const DirectX::XMVECTOR inverty = DirectX::XMVectorSubtract(DirectX::g_XMOne, value);
outPixels[j] = DirectX::XMVectorSelect(value, inverty, s_selecty);
}
}, timage);
@@ -844,6 +845,84 @@ bool TextureTool::ImportTextureDirectXTex(ImageType type, const StringView& path
}
SET_CURRENT_IMG(timage);
}
// Check if invert red channel
if (!keepAsIs && options.InvertRedChannel)
{
auto& timage = GET_TMP_IMG();
result = TransformImage(currentImage->GetImages(), currentImage->GetImageCount(), currentImage->GetMetadata(),
[&](DirectX::XMVECTOR* outPixels, const DirectX::XMVECTOR* inPixels, size_t w, size_t y)
{
static const DirectX::XMVECTORU32 s_selectx = { { { DirectX::XM_SELECT_1, DirectX::XM_SELECT_0, DirectX::XM_SELECT_0, DirectX::XM_SELECT_0 } } };
UNREFERENCED_PARAMETER(y);
for (size_t j = 0; j < w; ++j)
{
const DirectX::XMVECTOR value = inPixels[j];
const DirectX::XMVECTOR inverty = DirectX::XMVectorSubtract(DirectX::g_XMOne, value);
outPixels[j] = DirectX::XMVectorSelect(value, inverty, s_selectx);
}
}, timage);
if (FAILED(result))
{
errorMsg = String::Format(TEXT("Cannot invert red channel in texture, error: {0:x}"), static_cast<uint32>(result));
return true;
}
SET_CURRENT_IMG(timage);
}
// Check if invert red channel
if (!keepAsIs && options.InvertBlueChannel)
{
auto& timage = GET_TMP_IMG();
result = TransformImage(currentImage->GetImages(), currentImage->GetImageCount(), currentImage->GetMetadata(),
[&](DirectX::XMVECTOR* outPixels, const DirectX::XMVECTOR* inPixels, size_t w, size_t y)
{
static const DirectX::XMVECTORU32 s_selectz = { { { DirectX::XM_SELECT_0, DirectX::XM_SELECT_0, DirectX::XM_SELECT_1, DirectX::XM_SELECT_0 } } };
UNREFERENCED_PARAMETER(y);
for (size_t j = 0; j < w; ++j)
{
const DirectX::XMVECTOR value = inPixels[j];
const DirectX::XMVECTOR inverty = DirectX::XMVectorSubtract(DirectX::g_XMOne, value);
outPixels[j] = DirectX::XMVectorSelect(value, inverty, s_selectz);
}
}, timage);
if (FAILED(result))
{
errorMsg = String::Format(TEXT("Cannot invert blue channel in texture, error: {0:x}"), static_cast<uint32>(result));
return true;
}
SET_CURRENT_IMG(timage);
}
// Check if invert alpha channel
if (!keepAsIs && options.InvertAlphaChannel)
{
auto& timage = GET_TMP_IMG();
result = TransformImage(currentImage->GetImages(), currentImage->GetImageCount(), currentImage->GetMetadata(),
[&](DirectX::XMVECTOR* outPixels, const DirectX::XMVECTOR* inPixels, size_t w, size_t y)
{
static const DirectX::XMVECTORU32 s_selectw = { { { DirectX::XM_SELECT_0, DirectX::XM_SELECT_0, DirectX::XM_SELECT_0, DirectX::XM_SELECT_1 } } };
UNREFERENCED_PARAMETER(y);
for (size_t j = 0; j < w; ++j)
{
const DirectX::XMVECTOR value = inPixels[j];
const DirectX::XMVECTOR inverty = DirectX::XMVectorSubtract(DirectX::g_XMOne, value);
outPixels[j] = DirectX::XMVectorSelect(value, inverty, s_selectw);
}
}, timage);
if (FAILED(result))
{
errorMsg = String::Format(TEXT("Cannot invert alpha channel in texture, error: {0:x}"), static_cast<uint32>(result));
return true;
}
SET_CURRENT_IMG(timage);
}
// Reconstruct Z Channel
if (!keepAsIs & options.ReconstructZChannel)

18
Source/Engine/Tools/TextureTool/TextureTool.h
View File

@@ -61,12 +61,24 @@ API_CLASS(Namespace="FlaxEngine.Tools", Static) class FLAXENGINE_API TextureTool
API_FIELD(Attributes="EditorOrder(71)")
bool FlipX = false;
// True if to invert the green channel on a normal map. Good for OpenGL to DirectX conversion.
API_FIELD(Attributes = "EditorOrder(72)")
// Invert the red channel.
API_FIELD(Attributes = "EditorOrder(72), EditorDisplay(\"Invert Channels\"), ExpandGroups")
bool InvertRedChannel = false;
// Invert the green channel. Good for OpenGL to DirectX conversion.
API_FIELD(Attributes = "EditorOrder(73), EditorDisplay(\"Invert Channels\")")
bool InvertGreenChannel = false;
// Invert the blue channel.
API_FIELD(Attributes = "EditorOrder(74), EditorDisplay(\"Invert Channels\")")
bool InvertBlueChannel = false;
// Invert the alpha channel.
API_FIELD(Attributes = "EditorOrder(75), EditorDisplay(\"Invert Channels\")")
bool InvertAlphaChannel = false;
// Rebuild Z (blue) channel assuming X/Y are normals.
API_FIELD(Attributes = "EditorOrder(73)")
API_FIELD(Attributes = "EditorOrder(76)")
bool ReconstructZChannel = false;
// Texture size scale. Allows increasing or decreasing the imported texture resolution. Default is 1.