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avfilter/vsrc_ddagrab: calculate pointer position on rotated screens

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This commit is contained in:
Timo Rothenpieler 2023-07-15 18:48:49 +02:00
parent da94c6a00c
commit 3c73200be2
1 changed files with 52 additions and 2 deletions
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54
libavfilter/vsrc_ddagrab.c
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@ -533,8 +533,23 @@ static int update_mouse_pointer(AVFilterContext *avctx, DXGI_OUTDUPL_FRAME_INFO
return 0;
if (frame_info->PointerPosition.Visible) {
dda->mouse_x = frame_info->PointerPosition.Position.x;
dda->mouse_y = frame_info->PointerPosition.Position.y;
switch (dda->output_desc.Rotation) {
case DXGI_MODE_ROTATION_ROTATE90:
dda->mouse_x = frame_info->PointerPosition.Position.y;
dda->mouse_y = dda->output_desc.DesktopCoordinates.right - dda->output_desc.DesktopCoordinates.left - frame_info->PointerPosition.Position.x - 1;
break;
case DXGI_MODE_ROTATION_ROTATE180:
dda->mouse_x = dda->output_desc.DesktopCoordinates.right - dda->output_desc.DesktopCoordinates.left - frame_info->PointerPosition.Position.x - 1;
dda->mouse_y = dda->output_desc.DesktopCoordinates.bottom - dda->output_desc.DesktopCoordinates.top - frame_info->PointerPosition.Position.y - 1;
break;
case DXGI_MODE_ROTATION_ROTATE270:
dda->mouse_x = dda->output_desc.DesktopCoordinates.bottom - dda->output_desc.DesktopCoordinates.top - frame_info->PointerPosition.Position.y - 1;
dda->mouse_y = frame_info->PointerPosition.Position.x;
break;
default:
dda->mouse_x = frame_info->PointerPosition.Position.x;
dda->mouse_y = frame_info->PointerPosition.Position.y;
}
} else {
dda->mouse_x = dda->mouse_y = -1;
}
@ -853,6 +868,41 @@ static int draw_mouse_pointer(AVFilterContext *avctx, AVFrame *frame)
D3D11_SUBRESOURCE_DATA init_data = { 0 };
D3D11_BUFFER_DESC buf_desc = { 0 };
switch (dda->output_desc.Rotation) {
case DXGI_MODE_ROTATION_ROTATE90:
vertices[ 0] = x; vertices[ 1] = y;
vertices[ 5] = x; vertices[ 6] = y - tex_desc.Width;
vertices[10] = x + tex_desc.Height; vertices[11] = y;
vertices[15] = x + tex_desc.Height; vertices[16] = y - tex_desc.Width;
vertices[ 3] = 0.0f; vertices[ 4] = 0.0f;
vertices[ 8] = 1.0f; vertices[ 9] = 0.0f;
vertices[13] = 0.0f; vertices[14] = 1.0f;
vertices[18] = 1.0f; vertices[19] = 1.0f;
break;
case DXGI_MODE_ROTATION_ROTATE180:
vertices[ 0] = x - tex_desc.Width; vertices[ 1] = y;
vertices[ 5] = x - tex_desc.Width; vertices[ 6] = y - tex_desc.Height;
vertices[10] = x; vertices[11] = y;
vertices[15] = x; vertices[16] = y - tex_desc.Height;
vertices[ 3] = 1.0f; vertices[ 4] = 0.0f;
vertices[ 8] = 1.0f; vertices[ 9] = 1.0f;
vertices[13] = 0.0f; vertices[14] = 0.0f;
vertices[18] = 0.0f; vertices[19] = 1.0f;
break;
case DXGI_MODE_ROTATION_ROTATE270:
vertices[ 0] = x - tex_desc.Height; vertices[ 1] = y + tex_desc.Width;
vertices[ 5] = x - tex_desc.Height; vertices[ 6] = y;
vertices[10] = x; vertices[11] = y + tex_desc.Width;
vertices[15] = x; vertices[16] = y;
vertices[ 3] = 1.0f; vertices[ 4] = 1.0f;
vertices[ 8] = 0.0f; vertices[ 9] = 1.0f;
vertices[13] = 1.0f; vertices[14] = 0.0f;
vertices[18] = 0.0f; vertices[19] = 0.0f;
break;
default:
break;
}
num_vertices = sizeof(vertices) / (sizeof(FLOAT) * 5);
buf_desc.Usage = D3D11_USAGE_DEFAULT;