[vlc-devel] [PATCH] direct3d11: fix the subpicture positions

[Steve Lhomme]

there's was a mismatch between height/width and missing the offset of the
placed picture in the whole area.

fixes https://code.videolan.org/videolan/vlc-winrt/issues/37
---
 modules/video_output/win32/direct3d11.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/video_output/win32/direct3d11.c b/modules/video_output/win32/direct3d11.c
index c3c9e59..d551e15 100644
--- a/modules/video_output/win32/direct3d11.c
+++ b/modules/video_output/win32/direct3d11.c
@@ -2048,12 +2048,12 @@ static int Direct3D11MapSubpicture(vout_display_t *vd, int *subpicture_region_co
 
         d3d_quad_t *quad = (d3d_quad_t *) quad_picture->p_sys;
 
-        quad->cropViewport.Width =  (FLOAT) r->fmt.i_visible_width * RECTHeight(sys->rect_dest) / subpicture->i_original_picture_height;
-        quad->cropViewport.Height = (FLOAT) r->fmt.i_visible_height * RECTWidth(sys->rect_dest) / subpicture->i_original_picture_width;
+        quad->cropViewport.Width =  (FLOAT) r->fmt.i_visible_width  * RECTWidth(sys->rect_dest)  / subpicture->i_original_picture_width;
+        quad->cropViewport.Height = (FLOAT) r->fmt.i_visible_height * RECTHeight(sys->rect_dest) / subpicture->i_original_picture_height;
         quad->cropViewport.MinDepth = 0.0f;
         quad->cropViewport.MaxDepth = 1.0f;
-        quad->cropViewport.TopLeftX = r->i_x * RECTHeight(sys->rect_dest) / subpicture->i_original_picture_height;
-        quad->cropViewport.TopLeftY = r->i_y * RECTWidth(sys->rect_dest) / subpicture->i_original_picture_width;
+        quad->cropViewport.TopLeftX = sys->rect_dest.left + (FLOAT) r->i_x * RECTWidth(sys->rect_dest) / subpicture->i_original_picture_width;
+        quad->cropViewport.TopLeftY = sys->rect_dest.top  + (FLOAT) r->i_y * RECTHeight(sys->rect_dest) / subpicture->i_original_picture_height;
 
         UpdateQuadOpacity(vd, quad, r->i_alpha / 255.0f );
     }
-- 
2.9.1