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Code review feedback for TGA

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This commit is contained in:
Chuck Walbourn 2020-07-09 11:17:14 -07:00
parent bfa3a11aee
commit 13e90f900f
1 changed files with 29 additions and 68 deletions
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67
DirectXTex/DirectXTexTGA.cpp
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@ -284,18 +284,11 @@ namespace
return E_POINTER;
// Compute TGA image data pitch
size_t rowPitch;
if (convFlags & CONV_FLAGS_EXPAND)
{
rowPitch = image->width * 3;
}
else
{
size_t slicePitch;
HRESULT hr = ComputePitch(image->format, image->width, image->height, rowPitch, slicePitch, CP_FLAGS_NONE);
size_t rowPitch, slicePitch;
HRESULT hr = ComputePitch(image->format, image->width, image->height, rowPitch, slicePitch,
(convFlags & CONV_FLAGS_EXPAND) ? CP_FLAGS_24BPP : CP_FLAGS_NONE);
if (FAILED(hr))
return hr;
}
auto sPtr = static_cast<const uint8_t*>(pSource);
const uint8_t* endPtr = sPtr + size;
@ -454,7 +447,7 @@ namespace
if (maxalpha == 0)
{
opaquealpha = true;
HRESULT hr = SetAlphaChannelToOpaque(image);
hr = SetAlphaChannelToOpaque(image);
if (FAILED(hr))
return hr;
}
@ -599,7 +592,7 @@ namespace
if (maxalpha == 0)
{
opaquealpha = true;
HRESULT hr = SetAlphaChannelToOpaque(image);
hr = SetAlphaChannelToOpaque(image);
if (FAILED(hr))
return hr;
}
@ -634,18 +627,11 @@ namespace
return E_POINTER;
// Compute TGA image data pitch
size_t rowPitch;
if (convFlags & CONV_FLAGS_EXPAND)
{
rowPitch = image->width * 3;
}
else
{
size_t slicePitch;
HRESULT hr = ComputePitch(image->format, image->width, image->height, rowPitch, slicePitch, CP_FLAGS_NONE);
size_t rowPitch, slicePitch;
HRESULT hr = ComputePitch(image->format, image->width, image->height, rowPitch, slicePitch,
(convFlags & CONV_FLAGS_EXPAND) ? CP_FLAGS_24BPP : CP_FLAGS_NONE);
if (FAILED(hr))
return hr;
}
auto sPtr = static_cast<const uint8_t*>(pSource);
const uint8_t* endPtr = sPtr + size;
@ -719,7 +705,7 @@ namespace
if (maxalpha == 0)
{
opaquealpha = true;
HRESULT hr = SetAlphaChannelToOpaque(image);
hr = SetAlphaChannelToOpaque(image);
if (FAILED(hr))
return hr;
}
@ -787,7 +773,7 @@ namespace
if (maxalpha == 0)
{
opaquealpha = true;
HRESULT hr = SetAlphaChannelToOpaque(image);
hr = SetAlphaChannelToOpaque(image);
if (FAILED(hr))
return hr;
}
@ -1480,17 +1466,10 @@ HRESULT DirectX::SaveToTGAMemory(const Image& image, Blob& blob, const TexMetada
// Determine memory required for image data
size_t rowPitch, slicePitch;
if (convFlags & CONV_FLAGS_888)
{
rowPitch = image.width * 3;
slicePitch = image.height * rowPitch;
}
else
{
hr = ComputePitch(image.format, image.width, image.height, rowPitch, slicePitch, CP_FLAGS_NONE);
hr = ComputePitch(image.format, image.width, image.height, rowPitch, slicePitch,
(convFlags & CONV_FLAGS_888) ? CP_FLAGS_24BPP : CP_FLAGS_NONE);
if (FAILED(hr))
return hr;
}
hr = blob.Initialize(sizeof(TGA_HEADER)
+ slicePitch
@ -1585,28 +1564,10 @@ HRESULT DirectX::SaveToTGAFile(const Image& image, const wchar_t* szFile, const
// Determine size for TGA pixel data
size_t rowPitch, slicePitch;
if (convFlags & CONV_FLAGS_888)
{
uint64_t pitch = uint64_t(image.width) * 3u;
uint64_t slice = uint64_t(image.height) * pitch;
#if defined(_M_IX86) || defined(_M_ARM) || defined(_M_HYBRID_X86_ARM64)
static_assert(sizeof(size_t) == 4, "Not a 32-bit platform!");
if (pitch > UINT32_MAX || slice > UINT32_MAX)
return HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW);
#else
static_assert(sizeof(size_t) == 8, "Not a 64-bit platform!");
#endif
rowPitch = static_cast<size_t>(pitch);
slicePitch = static_cast<size_t>(slice);
}
else
{
hr = ComputePitch(image.format, image.width, image.height, rowPitch, slicePitch, CP_FLAGS_NONE);
hr = ComputePitch(image.format, image.width, image.height, rowPitch, slicePitch,
(convFlags & CONV_FLAGS_888) ? CP_FLAGS_24BPP : CP_FLAGS_NONE);
if (FAILED(hr))
return hr;
}
if (slicePitch < 65535)
{