DXTexture::DXTexture(const TextureConfig& tex_config) : AbstractTexture(tex_config)
{
DXGI_FORMAT dxgi_format = GetDXGIFormatForHostFormat(m_config.format);
if (m_config.rendertarget)
{
m_texture = D3DTexture2D::Create(
m_config.width, m_config.height,
(D3D11_BIND_FLAG)((int)D3D11_BIND_RENDER_TARGET | (int)D3D11_BIND_SHADER_RESOURCE),
D3D11_USAGE_DEFAULT, dxgi_format, 1, m_config.layers);
}
else
{
const D3D11_TEXTURE2D_DESC texdesc =
CD3D11_TEXTURE2D_DESC(dxgi_format, m_config.width, m_config.height, 1, m_config.levels,
D3D11_BIND_SHADER_RESOURCE, D3D11_USAGE_DEFAULT, 0);
ID3D11Texture2D* pTexture;
const HRESULT hr = D3D::device->CreateTexture2D(&texdesc, nullptr, &pTexture);
CHECK(SUCCEEDED(hr), "Create texture of the TextureCache");
m_texture = new D3DTexture2D(pTexture, D3D11_BIND_SHADER_RESOURCE);
// TODO: better debug names
D3D::SetDebugObjectName(m_texture->GetTex(), "a texture of the TextureCache");
D3D::SetDebugObjectName(m_texture->GetSRV(),
"shader resource view of a texture of the TextureCache");
SAFE_RELEASE(pTexture);
}
}
std::unique_ptr<DXStagingTexture> DXStagingTexture::Create(StagingTextureType type,
const TextureConfig& config)
{
D3D11_USAGE usage;
UINT cpu_flags;
if (type == StagingTextureType::Readback)
{
usage = D3D11_USAGE_STAGING;
cpu_flags = D3D11_CPU_ACCESS_READ;
}
else if (type == StagingTextureType::Upload)
{
usage = D3D11_USAGE_DYNAMIC;
cpu_flags = D3D11_CPU_ACCESS_WRITE;
}
else
{
usage = D3D11_USAGE_STAGING;
cpu_flags = D3D11_CPU_ACCESS_READ | D3D11_CPU_ACCESS_WRITE;
}
CD3D11_TEXTURE2D_DESC desc(GetDXGIFormatForHostFormat(config.format), config.width, config.height,
1, 1, 0, usage, cpu_flags);
ID3D11Texture2D* texture;
HRESULT hr = D3D::device->CreateTexture2D(&desc, nullptr, &texture);
CHECK(SUCCEEDED(hr), "Create staging texture");
if (FAILED(hr))
return nullptr;
return std::unique_ptr<DXStagingTexture>(new DXStagingTexture(type, config, texture));
}
std::unique_ptr<DXTexture> DXTexture::Create(const TextureConfig& config)
{
// Use typeless to create the texture when it's a render target, so we can alias it with an
// integer format (for EFB).
const DXGI_FORMAT tex_format = GetDXGIFormatForHostFormat(config.format, config.IsRenderTarget());
const DXGI_FORMAT srv_format = GetSRVFormatForHostFormat(config.format);
UINT bindflags = D3D11_BIND_SHADER_RESOURCE;
if (config.IsRenderTarget())
bindflags |= IsDepthFormat(config.format) ? D3D11_BIND_DEPTH_STENCIL : D3D11_BIND_RENDER_TARGET;
if (config.IsComputeImage())
bindflags |= D3D11_BIND_UNORDERED_ACCESS;
CD3D11_TEXTURE2D_DESC desc(tex_format, config.width, config.height, config.layers, config.levels,
bindflags, D3D11_USAGE_DEFAULT, 0, config.samples, 0, 0);
ID3D11Texture2D* d3d_texture;
HRESULT hr = D3D::device->CreateTexture2D(&desc, nullptr, &d3d_texture);
if (FAILED(hr))
{
PanicAlert("Failed to create %ux%ux%u D3D backing texture", config.width, config.height,
config.layers);
return nullptr;
}
ID3D11ShaderResourceView* d3d_srv;
const CD3D11_SHADER_RESOURCE_VIEW_DESC srv_desc(d3d_texture,
config.IsMultisampled() ?
D3D11_SRV_DIMENSION_TEXTURE2DMSARRAY :
D3D11_SRV_DIMENSION_TEXTURE2DARRAY,
srv_format, 0, config.levels, 0, config.layers);
hr = D3D::device->CreateShaderResourceView(d3d_texture, &srv_desc, &d3d_srv);
if (FAILED(hr))
{
PanicAlert("Failed to create %ux%ux%u D3D SRV", config.width, config.height, config.layers);
d3d_texture->Release();
return nullptr;
}
ID3D11UnorderedAccessView* d3d_uav = nullptr;
if (config.IsComputeImage())
{
const CD3D11_UNORDERED_ACCESS_VIEW_DESC uav_desc(
d3d_texture, D3D11_UAV_DIMENSION_TEXTURE2DARRAY, srv_format, 0, 0, config.layers);
hr = D3D::device->CreateUnorderedAccessView(d3d_texture, &uav_desc, &d3d_uav);
if (FAILED(hr))
{
PanicAlert("Failed to create %ux%ux%u D3D UAV", config.width, config.height, config.layers);
d3d_uav->Release();
d3d_texture->Release();
return nullptr;
}
}
return std::make_unique<DXTexture>(config, d3d_texture, d3d_srv, d3d_uav);
}
void DXTexture::ResolveFromTexture(const AbstractTexture* src, const MathUtil::Rectangle<int>& rect,
u32 layer, u32 level)
{
const DXTexture* srcentry = static_cast<const DXTexture*>(src);
DEBUG_ASSERT(m_config.samples > 1 && m_config.width == srcentry->m_config.width &&
m_config.height == srcentry->m_config.height && m_config.samples == 1);
DEBUG_ASSERT(rect.left + rect.GetWidth() <= static_cast<int>(srcentry->m_config.width) &&
rect.top + rect.GetHeight() <= static_cast<int>(srcentry->m_config.height));
D3D::context->ResolveSubresource(
m_d3d_texture, D3D11CalcSubresource(level, layer, m_config.levels), srcentry->m_d3d_texture,
D3D11CalcSubresource(level, layer, srcentry->m_config.levels),
GetDXGIFormatForHostFormat(m_config.format, false));
}