D3D11TextureCube::D3D11TextureCube(uint32_t size, uint32_t numMipMaps, uint32_t array_size, ElementFormat format,
uint32_t sample_count, uint32_t sample_quality, uint32_t access_hint, ElementInitData const * init_data)
: D3D11Texture(TT_Cube, sample_count, sample_quality, access_hint)
{
if (0 == numMipMaps)
{
num_mip_maps_ = 1;
uint32_t w = size;
while (w != 1)
{
++ num_mip_maps_;
w = std::max<uint32_t>(1U, w / 2);
}
}
else
{
num_mip_maps_ = numMipMaps;
}
D3D11RenderEngine const & re = *checked_cast<D3D11RenderEngine const *>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
if (re.DeviceFeatureLevel() <= D3D_FEATURE_LEVEL_9_3)
{
if ((num_mip_maps_ > 1) && ((size & (size - 1)) != 0))
{
// height or width is not a power of 2 and multiple mip levels are specified. This is not supported at feature levels below 10.0.
num_mip_maps_ = 1;
}
}
array_size_ = array_size;
format_ = format;
widths_.assign(1, size);
desc_.Width = size;
desc_.Height = size;
desc_.MipLevels = num_mip_maps_;
desc_.ArraySize = 6 * array_size_;
desc_.Format = D3D11Mapping::MappingFormat(format_);
desc_.SampleDesc.Count = 1;
desc_.SampleDesc.Quality = 0;
this->GetD3DFlags(desc_.Usage, desc_.BindFlags, desc_.CPUAccessFlags, desc_.MiscFlags);
desc_.MiscFlags |= D3D11_RESOURCE_MISC_TEXTURECUBE;
std::vector<D3D11_SUBRESOURCE_DATA> subres_data(6 * num_mip_maps_);
if (init_data != nullptr)
{
for (int face = 0; face < 6; ++ face)
{
for (uint32_t i = 0; i < num_mip_maps_; ++ i)
{
subres_data[face * num_mip_maps_ + i].pSysMem = init_data[face * num_mip_maps_ + i].data;
subres_data[face * num_mip_maps_ + i].SysMemPitch = init_data[face * num_mip_maps_ + i].row_pitch;
subres_data[face * num_mip_maps_ + i].SysMemSlicePitch = init_data[face * num_mip_maps_ + i].slice_pitch;
}
}
}
ID3D11Texture2D* d3d_tex;
TIF(d3d_device_->CreateTexture2D(&desc_, (init_data != nullptr) ? &subres_data[0] : nullptr, &d3d_tex));
d3dTextureCube_ = MakeCOMPtr(d3d_tex);
this->UpdateParams();
if ((access_hint & (EAH_GPU_Read | EAH_Generate_Mips)) && (num_mip_maps_ > 1))
{
this->RetriveD3DShaderResourceView(0, array_size_, 0, num_mip_maps_);
}
}
D3D11Texture3D::D3D11Texture3D(uint32_t width, uint32_t height, uint32_t depth, uint32_t numMipMaps, uint32_t array_size, ElementFormat format,
uint32_t sample_count, uint32_t sample_quality, uint32_t access_hint, ElementInitData const * init_data)
: D3D11Texture(TT_3D, sample_count, sample_quality, access_hint)
{
BOOST_ASSERT(1 == array_size);
if (0 == numMipMaps)
{
num_mip_maps_ = 1;
uint32_t w = width;
uint32_t h = height;
uint32_t d = depth;
while ((w != 1) || (h != 1) || (d != 1))
{
++ num_mip_maps_;
w = std::max<uint32_t>(1U, w / 2);
h = std::max<uint32_t>(1U, h / 2);
d = std::max<uint32_t>(1U, d / 2);
}
}
else
{
num_mip_maps_ = numMipMaps;
}
D3D11RenderEngine const & re = *checked_cast<D3D11RenderEngine const *>(&Context::Instance().RenderFactoryInstance().RenderEngineInstance());
if (re.DeviceFeatureLevel() <= D3D_FEATURE_LEVEL_9_3)
{
if ((num_mip_maps_ > 1) && (((width & (width - 1)) != 0) || ((height & (height - 1)) != 0) || ((depth & (depth - 1)) != 0)))
{
// height or width is not a power of 2 and multiple mip levels are specified. This is not supported at feature levels below 10.0.
num_mip_maps_ = 1;
}
}
array_size_ = array_size;
format_ = format;
widths_.assign(1, width);
heights_.assign(1, height);
depthes_.assign(1, depth);
desc_.Width = width;
desc_.Height = height;
desc_.Depth = depth;
desc_.MipLevels = num_mip_maps_;
desc_.Format = D3D11Mapping::MappingFormat(format_);
this->GetD3DFlags(desc_.Usage, desc_.BindFlags, desc_.CPUAccessFlags, desc_.MiscFlags);
std::vector<D3D11_SUBRESOURCE_DATA> subres_data(num_mip_maps_);
if (init_data != nullptr)
{
for (uint32_t i = 0; i < num_mip_maps_; ++ i)
{
subres_data[i].pSysMem = init_data[i].data;
subres_data[i].SysMemPitch = init_data[i].row_pitch;
subres_data[i].SysMemSlicePitch = init_data[i].slice_pitch;
}
}
ID3D11Texture3D* d3d_tex;
TIF(d3d_device_->CreateTexture3D(&desc_, (init_data != nullptr) ? &subres_data[0] : nullptr, &d3d_tex));
d3dTexture3D_ = MakeCOMPtr(d3d_tex);
this->UpdateParams();
if ((access_hint & (EAH_GPU_Read | EAH_Generate_Mips)) && (num_mip_maps_ > 1))
{
this->RetriveD3DShaderResourceView(0, array_size_, 0, num_mip_maps_);
}
}
