diff options
Diffstat (limited to 'video/out/opengl')
-rw-r--r-- | video/out/opengl/context_angle.c | 86 |
1 files changed, 6 insertions, 80 deletions
diff --git a/video/out/opengl/context_angle.c b/video/out/opengl/context_angle.c index b504293db5..986a50362b 100644 --- a/video/out/opengl/context_angle.c +++ b/video/out/opengl/context_angle.c @@ -518,83 +518,6 @@ static void angle_swap_buffers(struct ra_ctx *ctx) egl_swap_buffers(ctx); } -static struct mp_image *d3d11_screenshot(struct ra_ctx *ctx) -{ - struct priv *p = ctx->priv; - ID3D11Texture2D *frontbuffer = NULL; - ID3D11Texture2D *staging = NULL; - struct mp_image *img = NULL; - HRESULT hr; - - if (!p->dxgi_swapchain) - goto done; - - // Validate the swap chain. This screenshot method will only work on DXGI - // 1.2+ flip/sequential swap chains. It's probably not possible at all with - // discard swap chains, since by definition, the backbuffer contents is - // discarded on Present(). - DXGI_SWAP_CHAIN_DESC scd; - hr = IDXGISwapChain_GetDesc(p->dxgi_swapchain, &scd); - if (FAILED(hr)) - goto done; - if (scd.SwapEffect != DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL) - goto done; - - // Get the last buffer that was presented with Present(). This should be - // the n-1th buffer for a swap chain of length n. - hr = IDXGISwapChain_GetBuffer(p->dxgi_swapchain, scd.BufferCount - 1, - &IID_ID3D11Texture2D, (void**)&frontbuffer); - if (FAILED(hr)) - goto done; - - D3D11_TEXTURE2D_DESC td; - ID3D11Texture2D_GetDesc(frontbuffer, &td); - if (td.SampleDesc.Count > 1) - goto done; - - // Validate the backbuffer format and convert to an mpv IMGFMT - enum mp_imgfmt fmt; - switch (td.Format) { - case DXGI_FORMAT_B8G8R8A8_UNORM: fmt = IMGFMT_BGR0; break; - case DXGI_FORMAT_R8G8B8A8_UNORM: fmt = IMGFMT_RGB0; break; - default: - goto done; - } - - // Create a staging texture based on the frontbuffer with CPU access - td.BindFlags = 0; - td.MiscFlags = 0; - td.CPUAccessFlags = D3D11_CPU_ACCESS_READ; - td.Usage = D3D11_USAGE_STAGING; - hr = ID3D11Device_CreateTexture2D(p->d3d11_device, &td, 0, &staging); - if (FAILED(hr)) - goto done; - - ID3D11DeviceContext_CopyResource(p->d3d11_context, - (ID3D11Resource*)staging, (ID3D11Resource*)frontbuffer); - - // Attempt to map the staging texture to CPU-accessible memory - D3D11_MAPPED_SUBRESOURCE lock; - hr = ID3D11DeviceContext_Map(p->d3d11_context, (ID3D11Resource*)staging, - 0, D3D11_MAP_READ, 0, &lock); - if (FAILED(hr)) - goto done; - - img = mp_image_alloc(fmt, td.Width, td.Height); - if (!img) - return NULL; - for (int i = 0; i < td.Height; i++) { - memcpy(img->planes[0] + img->stride[0] * i, - (char*)lock.pData + lock.RowPitch * i, td.Width * 4); - } - - ID3D11DeviceContext_Unmap(p->d3d11_context, (ID3D11Resource*)staging, 0); - -done: - SAFE_RELEASE(frontbuffer); - SAFE_RELEASE(staging); - return img; -} static int angle_color_depth(struct ra_swapchain *sw) { @@ -604,9 +527,12 @@ static int angle_color_depth(struct ra_swapchain *sw) static struct mp_image *angle_screenshot(struct ra_swapchain *sw) { - struct mp_image *img = d3d11_screenshot(sw->ctx); - if (img) - return img; + struct priv *p = sw->ctx->priv; + if (p->dxgi_swapchain) { + struct mp_image *img = mp_d3d11_screenshot(p->dxgi_swapchain); + if (img) + return img; + } return ra_gl_ctx_screenshot(sw); } |