CPixelBufferView::TexturePtr CPixelBufferView::CreateTextureFromBitmap(const Framework::CBitmap& bitmap)
{
TexturePtr texture;
if(!bitmap.IsEmpty())
{
HRESULT result = S_OK;
result = m_device->CreateTexture(bitmap.GetWidth(), bitmap.GetHeight(), 1, D3DUSAGE_DYNAMIC, D3DFMT_A8R8G8B8, D3DPOOL_DEFAULT, &texture, nullptr);
assert(SUCCEEDED(result));
D3DLOCKED_RECT lockedRect = {};
result = texture->LockRect(0, &lockedRect, nullptr, 0);
assert(SUCCEEDED(result));
uint32* dstPtr = reinterpret_cast<uint32*>(lockedRect.pBits);
uint32* srcPtr = reinterpret_cast<uint32*>(bitmap.GetPixels());
for(unsigned int y = 0; y < bitmap.GetHeight(); y++)
{
memcpy(dstPtr, srcPtr, bitmap.GetWidth() * sizeof(uint32));
dstPtr += lockedRect.Pitch / sizeof(uint32);
srcPtr += bitmap.GetPitch() / sizeof(uint32);
}
result = texture->UnlockRect(0);
assert(SUCCEEDED(result));
}
return texture;
}
CPixelBufferView::TexturePtr CPixelBufferView::CreateTextureFromBitmap(const Framework::CBitmap& bitmap)
{
TexturePtr texture;
if(!bitmap.IsEmpty())
{
D3DFORMAT textureFormat =
[bitmap]() {
switch(bitmap.GetBitsPerPixel())
{
case 8:
return D3DFMT_L8;
case 16:
return D3DFMT_A1R5G5B5;
case 32:
default:
return D3DFMT_A8R8G8B8;
}
}();
HRESULT result = S_OK;
result = m_device->CreateTexture(bitmap.GetWidth(), bitmap.GetHeight(), 1, D3DUSAGE_DYNAMIC, textureFormat, D3DPOOL_DEFAULT, &texture, nullptr);
assert(SUCCEEDED(result));
switch(bitmap.GetBitsPerPixel())
{
case 8:
CopyBitmapToTexture<uint8>(texture, 0, bitmap);
break;
case 16:
CopyBitmapToTexture<uint16>(texture, 0, bitmap);
break;
case 32:
CopyBitmapToTexture<uint32>(texture, 0, bitmap);
break;
default:
assert(false);
break;
}
}
return texture;
}
