gs_stage_surface::gs_stage_surface(device_t device, uint32_t width,
uint32_t height, gs_color_format colorFormat)
: device (device),
width (width),
height (height),
format (colorFormat),
dxgiFormat (ConvertGSTextureFormat(colorFormat))
{
D3D11_TEXTURE2D_DESC td;
HRESULT hr;
memset(&td, 0, sizeof(td));
td.Width = width;
td.Height = height;
td.MipLevels = 1;
td.ArraySize = 1;
td.Format = dxgiFormat;
td.SampleDesc.Count = 1;
td.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
td.Usage = D3D11_USAGE_STAGING;
hr = device->device->CreateTexture2D(&td, NULL, texture.Assign());
if (FAILED(hr))
throw HRError("Failed to create 2D texture", hr);
}
static inline void make_swap_desc(DXGI_SWAP_CHAIN_DESC &desc,
gs_init_data *data)
{
memset(&desc, 0, sizeof(desc));
desc.BufferCount = data->num_backbuffers;
desc.BufferDesc.Format = ConvertGSTextureFormat(data->format);
desc.BufferDesc.Width = data->cx;
desc.BufferDesc.Height = data->cy;
desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
desc.OutputWindow = (HWND)data->window.hwnd;
desc.SampleDesc.Count = 1;
desc.Windowed = true;
}
void gs_swap_chain::Init(gs_init_data *data)
{
target.device = device;
target.isRenderTarget = true;
target.format = data->format;
target.dxgiFormat = ConvertGSTextureFormat(data->format);
InitTarget(data->cx, data->cy);
zs.device = device;
zs.format = data->zsformat;
zs.dxgiFormat = ConvertGSZStencilFormat(data->zsformat);
InitZStencilBuffer(data->cx, data->cy);
}
gs_texture_2d::gs_texture_2d(device_t device, uint32_t width, uint32_t height,
gs_color_format colorFormat, uint32_t levels, const void **data,
uint32_t flags, gs_texture_type type, bool gdiCompatible,
bool shared)
: gs_texture (device, type, levels, colorFormat),
width (width),
height (height),
dxgiFormat (ConvertGSTextureFormat(format)),
isGDICompatible (gdiCompatible),
isShared (shared),
isDynamic ((flags & GS_DYNAMIC) != 0),
isRenderTarget ((flags & GS_RENDERTARGET) != 0),
genMipmaps ((flags & GS_BUILDMIPMAPS) != 0)
{
InitTexture(data);
InitResourceView();
if (isRenderTarget)
InitRenderTargets();
}
