426 lines
12 KiB
C++
426 lines
12 KiB
C++
//-------------------------------------------------------------------------------------
|
|
// DirectXTexCompressGPU.cpp
|
|
//
|
|
// DirectX Texture Library - DirectCompute-based texture compression
|
|
//
|
|
// 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
|
|
//-------------------------------------------------------------------------------------
|
|
|
|
#include "directxtexp.h"
|
|
|
|
#include "bcdirectcompute.h"
|
|
|
|
using namespace DirectX;
|
|
|
|
namespace
|
|
{
|
|
inline DWORD GetSRGBFlags(_In_ DWORD compress)
|
|
{
|
|
static_assert(TEX_COMPRESS_SRGB_IN == TEX_FILTER_SRGB_IN, "TEX_COMPRESS_SRGB* should match TEX_FILTER_SRGB*");
|
|
static_assert(TEX_COMPRESS_SRGB_OUT == TEX_FILTER_SRGB_OUT, "TEX_COMPRESS_SRGB* should match TEX_FILTER_SRGB*");
|
|
static_assert(TEX_COMPRESS_SRGB == TEX_FILTER_SRGB, "TEX_COMPRESS_SRGB* should match TEX_FILTER_SRGB*");
|
|
return (compress & TEX_COMPRESS_SRGB);
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------------------
|
|
// Converts to R8G8B8A8_UNORM or R8G8B8A8_UNORM_SRGB doing any conversion logic needed
|
|
//-------------------------------------------------------------------------------------
|
|
HRESULT ConvertToRGBA32(
|
|
const Image& srcImage,
|
|
ScratchImage& image,
|
|
bool srgb,
|
|
DWORD filter)
|
|
{
|
|
if (!srcImage.pixels)
|
|
return E_POINTER;
|
|
|
|
DXGI_FORMAT format = srgb ? DXGI_FORMAT_R8G8B8A8_UNORM_SRGB : DXGI_FORMAT_R8G8B8A8_UNORM;
|
|
|
|
HRESULT hr = image.Initialize2D(format, srcImage.width, srcImage.height, 1, 1);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
const Image *img = image.GetImage(0, 0, 0);
|
|
if (!img)
|
|
{
|
|
image.Release();
|
|
return E_POINTER;
|
|
}
|
|
|
|
uint8_t* pDest = img->pixels;
|
|
if (!pDest)
|
|
{
|
|
image.Release();
|
|
return E_POINTER;
|
|
}
|
|
|
|
ScopedAlignedArrayXMVECTOR scanline(reinterpret_cast<XMVECTOR*>(_aligned_malloc((sizeof(XMVECTOR) * srcImage.width), 16)));
|
|
if (!scanline)
|
|
{
|
|
image.Release();
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
const uint8_t *pSrc = srcImage.pixels;
|
|
for (size_t h = 0; h < srcImage.height; ++h)
|
|
{
|
|
if (!_LoadScanline(scanline.get(), srcImage.width, pSrc, srcImage.rowPitch, srcImage.format))
|
|
{
|
|
image.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
_ConvertScanline(scanline.get(), srcImage.width, format, srcImage.format, filter);
|
|
|
|
if (!_StoreScanline(pDest, img->rowPitch, format, scanline.get(), srcImage.width))
|
|
{
|
|
image.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
pSrc += srcImage.rowPitch;
|
|
pDest += img->rowPitch;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------------------
|
|
// Converts to DXGI_FORMAT_R32G32B32A32_FLOAT doing any conversion logic needed
|
|
//-------------------------------------------------------------------------------------
|
|
HRESULT ConvertToRGBAF32(
|
|
const Image& srcImage,
|
|
ScratchImage& image,
|
|
DWORD filter)
|
|
{
|
|
if (!srcImage.pixels)
|
|
return E_POINTER;
|
|
|
|
HRESULT hr = image.Initialize2D(DXGI_FORMAT_R32G32B32A32_FLOAT, srcImage.width, srcImage.height, 1, 1);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
const Image *img = image.GetImage(0, 0, 0);
|
|
if (!img)
|
|
{
|
|
image.Release();
|
|
return E_POINTER;
|
|
}
|
|
|
|
uint8_t* pDest = img->pixels;
|
|
if (!pDest)
|
|
{
|
|
image.Release();
|
|
return E_POINTER;
|
|
}
|
|
|
|
const uint8_t *pSrc = srcImage.pixels;
|
|
for (size_t h = 0; h < srcImage.height; ++h)
|
|
{
|
|
if (!_LoadScanline(reinterpret_cast<XMVECTOR*>(pDest), srcImage.width, pSrc, srcImage.rowPitch, srcImage.format))
|
|
{
|
|
image.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
_ConvertScanline(reinterpret_cast<XMVECTOR*>(pDest), srcImage.width, DXGI_FORMAT_R32G32B32A32_FLOAT, srcImage.format, filter);
|
|
|
|
pSrc += srcImage.rowPitch;
|
|
pDest += img->rowPitch;
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------------------
|
|
// Compress using GPU, converting to the proper input format for the shader if needed
|
|
//-------------------------------------------------------------------------------------
|
|
inline HRESULT GPUCompress(
|
|
_In_ GPUCompressBC* gpubc,
|
|
const Image& srcImage,
|
|
const Image& destImage,
|
|
DWORD compress)
|
|
{
|
|
if (!gpubc)
|
|
return E_POINTER;
|
|
|
|
assert(srcImage.pixels && destImage.pixels);
|
|
|
|
DXGI_FORMAT format = gpubc->GetSourceFormat();
|
|
|
|
if (srcImage.format == format)
|
|
{
|
|
// Input is already in our required source format
|
|
return gpubc->Compress(srcImage, destImage);
|
|
}
|
|
else
|
|
{
|
|
// Convert format and then use as the source image
|
|
ScratchImage image;
|
|
HRESULT hr;
|
|
|
|
DWORD srgb = GetSRGBFlags(compress);
|
|
|
|
switch (format)
|
|
{
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM:
|
|
hr = ConvertToRGBA32(srcImage, image, false, srgb);
|
|
break;
|
|
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
|
|
hr = ConvertToRGBA32(srcImage, image, true, srgb);
|
|
break;
|
|
|
|
case DXGI_FORMAT_R32G32B32A32_FLOAT:
|
|
hr = ConvertToRGBAF32(srcImage, image, srgb);
|
|
break;
|
|
|
|
default:
|
|
hr = E_UNEXPECTED;
|
|
break;
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
const Image *img = image.GetImage(0, 0, 0);
|
|
if (!img)
|
|
return E_POINTER;
|
|
|
|
return gpubc->Compress(*img, destImage);
|
|
}
|
|
}
|
|
};
|
|
|
|
//=====================================================================================
|
|
// Entry-points
|
|
//=====================================================================================
|
|
|
|
//-------------------------------------------------------------------------------------
|
|
// Compression
|
|
//-------------------------------------------------------------------------------------
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::Compress(
|
|
ID3D11Device* pDevice,
|
|
const Image& srcImage,
|
|
DXGI_FORMAT format,
|
|
DWORD compress,
|
|
float alphaWeight,
|
|
ScratchImage& image)
|
|
{
|
|
if (!pDevice || IsCompressed(srcImage.format) || !IsCompressed(format))
|
|
return E_INVALIDARG;
|
|
|
|
if (IsTypeless(format)
|
|
|| IsTypeless(srcImage.format) || IsPlanar(srcImage.format) || IsPalettized(srcImage.format))
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
|
|
// Setup GPU compressor
|
|
std::unique_ptr<GPUCompressBC> gpubc(new (std::nothrow) GPUCompressBC);
|
|
if (!gpubc)
|
|
return E_OUTOFMEMORY;
|
|
|
|
HRESULT hr = gpubc->Initialize(pDevice);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = gpubc->Prepare(srcImage.width, srcImage.height, compress, format, alphaWeight);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
// Create workspace for result
|
|
hr = image.Initialize2D(format, srcImage.width, srcImage.height, 1, 1);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
const Image *img = image.GetImage(0, 0, 0);
|
|
if (!img)
|
|
{
|
|
image.Release();
|
|
return E_POINTER;
|
|
}
|
|
|
|
hr = GPUCompress(gpubc.get(), srcImage, *img, compress);
|
|
if (FAILED(hr))
|
|
image.Release();
|
|
|
|
return hr;
|
|
}
|
|
|
|
_Use_decl_annotations_
|
|
HRESULT DirectX::Compress(
|
|
ID3D11Device* pDevice,
|
|
const Image* srcImages,
|
|
size_t nimages,
|
|
const TexMetadata& metadata,
|
|
DXGI_FORMAT format,
|
|
DWORD compress,
|
|
float alphaWeight,
|
|
ScratchImage& cImages)
|
|
{
|
|
if (!pDevice || !srcImages || !nimages)
|
|
return E_INVALIDARG;
|
|
|
|
if (IsCompressed(metadata.format) || !IsCompressed(format))
|
|
return E_INVALIDARG;
|
|
|
|
if (IsTypeless(format)
|
|
|| IsTypeless(metadata.format) || IsPlanar(metadata.format) || IsPalettized(metadata.format))
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
|
|
cImages.Release();
|
|
|
|
// Setup GPU compressor
|
|
std::unique_ptr<GPUCompressBC> gpubc(new (std::nothrow) GPUCompressBC);
|
|
if (!gpubc)
|
|
return E_OUTOFMEMORY;
|
|
|
|
HRESULT hr = gpubc->Initialize(pDevice);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
// Create workspace for result
|
|
TexMetadata mdata2 = metadata;
|
|
mdata2.format = format;
|
|
hr = cImages.Initialize(mdata2);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
if (nimages != cImages.GetImageCount())
|
|
{
|
|
cImages.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
const Image* dest = cImages.GetImages();
|
|
if (!dest)
|
|
{
|
|
cImages.Release();
|
|
return E_POINTER;
|
|
}
|
|
|
|
// Process images (ordered by size)
|
|
switch (metadata.dimension)
|
|
{
|
|
case TEX_DIMENSION_TEXTURE1D:
|
|
case TEX_DIMENSION_TEXTURE2D:
|
|
{
|
|
size_t w = metadata.width;
|
|
size_t h = metadata.height;
|
|
|
|
for (size_t level = 0; level < metadata.mipLevels; ++level)
|
|
{
|
|
hr = gpubc->Prepare(w, h, compress, format, alphaWeight);
|
|
if (FAILED(hr))
|
|
{
|
|
cImages.Release();
|
|
return hr;
|
|
}
|
|
|
|
for (size_t item = 0; item < metadata.arraySize; ++item)
|
|
{
|
|
size_t index = metadata.ComputeIndex(level, item, 0);
|
|
if (index >= nimages)
|
|
{
|
|
cImages.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
assert(dest[index].format == format);
|
|
|
|
const Image& src = srcImages[index];
|
|
|
|
if (src.width != dest[index].width || src.height != dest[index].height)
|
|
{
|
|
cImages.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
hr = GPUCompress(gpubc.get(), src, dest[index], compress);
|
|
if (FAILED(hr))
|
|
{
|
|
cImages.Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (h > 1)
|
|
h >>= 1;
|
|
|
|
if (w > 1)
|
|
w >>= 1;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TEX_DIMENSION_TEXTURE3D:
|
|
{
|
|
size_t w = metadata.width;
|
|
size_t h = metadata.height;
|
|
size_t d = metadata.depth;
|
|
|
|
for (size_t level = 0; level < metadata.mipLevels; ++level)
|
|
{
|
|
hr = gpubc->Prepare(w, h, compress, format, alphaWeight);
|
|
if (FAILED(hr))
|
|
{
|
|
cImages.Release();
|
|
return hr;
|
|
}
|
|
|
|
for (size_t slice = 0; slice < d; ++slice)
|
|
{
|
|
size_t index = metadata.ComputeIndex(level, 0, slice);
|
|
if (index >= nimages)
|
|
{
|
|
cImages.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
assert(dest[index].format == format);
|
|
|
|
const Image& src = srcImages[index];
|
|
|
|
if (src.width != dest[index].width || src.height != dest[index].height)
|
|
{
|
|
cImages.Release();
|
|
return E_FAIL;
|
|
}
|
|
|
|
hr = GPUCompress(gpubc.get(), src, dest[index], compress);
|
|
if (FAILED(hr))
|
|
{
|
|
cImages.Release();
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
if (h > 1)
|
|
h >>= 1;
|
|
|
|
if (w > 1)
|
|
w >>= 1;
|
|
|
|
if (d > 1)
|
|
d >>= 1;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return HRESULT_FROM_WIN32(ERROR_NOT_SUPPORTED);
|
|
}
|
|
|
|
return S_OK;
|
|
}
|