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D3D11 dynamic texture load fix

This commit is contained in:
Jack Andersen 2017-01-21 23:04:37 -10:00
parent 23a0c4d1da
commit d6b54a3718
1 changed files with 8 additions and 6 deletions
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14
lib/graphicsdev/D3D11.cpp
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@ -236,27 +236,27 @@ class D3D11TextureD : public ITextureD
D3D11CommandQueue* m_q;
std::unique_ptr<uint8_t[]> m_cpuBuf;
size_t m_cpuSz;
size_t m_pxPitch;
int m_validSlots = 0;
D3D11TextureD(D3D11CommandQueue* q, D3D11Context* ctx, size_t width, size_t height, TextureFormat fmt)
: m_q(q)
: m_width(width), m_height(height), m_q(q)
{
DXGI_FORMAT pixelFmt;
size_t pxPitch;
switch (fmt)
{
case TextureFormat::RGBA8:
pixelFmt = DXGI_FORMAT_R8G8B8A8_UNORM;
pxPitch = 4;
m_pxPitch = 4;
break;
case TextureFormat::I8:
pixelFmt = DXGI_FORMAT_R8_UNORM;
pxPitch = 1;
m_pxPitch = 1;
break;
default:
Log.report(logvisor::Fatal, "unsupported tex format");
}
m_cpuSz = width * height * pxPitch;
m_cpuSz = width * height * m_pxPitch;
m_cpuBuf.reset(new uint8_t[m_cpuSz]);
CD3D11_TEXTURE2D_DESC desc(pixelFmt, width, height, 1, 1,
@ -1093,7 +1093,9 @@ void D3D11TextureD::update(ID3D11DeviceContext* ctx, int b)
ID3D11Texture2D* res = m_texs[b].Get();
D3D11_MAPPED_SUBRESOURCE d;
ctx->Map(res, 0, D3D11_MAP_WRITE_DISCARD, 0, &d);
memcpy(d.pData, m_cpuBuf.get(), m_cpuSz);
size_t rowSz = m_pxPitch * m_width;
for (size_t i=0 ; i<m_cpuSz ; i+=rowSz, reinterpret_cast<uint8_t*&>(d.pData)+=d.RowPitch)
memmove(d.pData, m_cpuBuf.get() + i, rowSz);
ctx->Unmap(res, 0);
m_validSlots |= slot;
}