When taking screenshots we do a copy from the frontbuffer
to an allocated buffer (which we then copy to a ram buffer).
Signed-off-by: Axel Davy <axel.d...@ens.fr>
---
src/gallium/state_trackers/nine/swapchain9.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/src/gallium/state_trackers/nine/swapchain9.c
b/src/gallium/state_trackers/nine/swapchain9.c
index 12cad73..bc01c2d 100644
--- a/src/gallium/state_trackers/nine/swapchain9.c
+++ b/src/gallium/state_trackers/nine/swapchain9.c
@@ -79,7 +79,8 @@ NineSwapChain9_ctor( struct NineSwapChain9 *This,
static D3DWindowBuffer *
D3DWindowBuffer_create(struct NineSwapChain9 *This,
struct pipe_resource *resource,
- int depth)
+ int depth,
+ int for_frontbuffer_reading)
{
D3DWindowBuffer *ret;
struct winsys_handle whandle;
@@ -88,8 +89,10 @@ D3DWindowBuffer_create(struct NineSwapChain9 *This,
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_FD;
This->screen->resource_get_handle(This->screen, resource, &whandle,
- PIPE_HANDLE_USAGE_EXPLICIT_FLUSH |
- PIPE_HANDLE_USAGE_READ);
+ for_frontbuffer_reading ?
+ PIPE_HANDLE_USAGE_WRITE :
+ PIPE_HANDLE_USAGE_EXPLICIT_FLUSH |
+ PIPE_HANDLE_USAGE_READ);
stride = whandle.stride;
dmaBufFd = whandle.handle;
ID3DPresent_NewD3DWindowBufferFromDmaBuf(This->present,
@@ -344,7 +347,7 @@ NineSwapChain9_Resize( struct NineSwapChain9 *This,
resource = This->screen->resource_create(This->screen, &tmplt);
pipe_resource_reference(&(This->present_buffers[i]), resource);
}
- This->present_handles[i] = D3DWindowBuffer_create(This, resource,
depth);
+ This->present_handles[i] = D3DWindowBuffer_create(This, resource,
depth, false);
pipe_resource_reference(&resource, NULL);
}
if (pParams->EnableAutoDepthStencil) {
@@ -551,7 +554,7 @@ create_present_buffer( struct NineSwapChain9 *This,
tmplt.bind |= PIPE_BIND_LINEAR;
*resource = This->screen->resource_create(This->screen, &tmplt);
- *present_handle = D3DWindowBuffer_create(This, *resource, 24);
+ *present_handle = D3DWindowBuffer_create(This, *resource, 24, true);
}
static void
--
2.8.2
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