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Diffstat (limited to 'video/out/opengl/context_angle.c')
-rw-r--r--video/out/opengl/context_angle.c86
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);
}