Module: wine Branch: master Commit: 235908a7a6f6f85a45edb8b9681f3b12d58d7351 URL: https://source.winehq.org/git/wine.git/?a=commit;h=235908a7a6f6f85a45edb8b96...
Author: Stefan Dösinger stefan@codeweavers.com Date: Wed Sep 29 22:42:57 2021 +0300
wined3d: Fix the center offset in get_projection_matrix.
If we have clip control, viewport_miscpart_cc applies both the half pixel offset and the filling convention nudge. We always have integer pixel centers in this <= d3d9-only codepath.
Signed-off-by: Stefan Dösinger stefan@codeweavers.com Signed-off-by: Henri Verbeet hverbeet@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/wined3d/utils.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c index 4019dd4d812..0a1e0707359 100644 --- a/dlls/wined3d/utils.c +++ b/dlls/wined3d/utils.c @@ -5550,12 +5550,16 @@ void get_projection_matrix(const struct wined3d_context *context, const struct w * driver, but small enough to prevent it from interfering with any * anti-aliasing. */
+ /* Projection matrices are <= d3d9, which all have integer pixel centers. */ + if (!(d3d_info->wined3d_creation_flags & WINED3D_PIXEL_CENTER_INTEGER)) + ERR("Did not expect to enter this codepath without WINED3D_PIXEL_CENTER_INTEGER.\n"); + clip_control = d3d_info->clip_control; flip = !clip_control && context->render_offscreen; - if (!clip_control && d3d_info->wined3d_creation_flags & WINED3D_PIXEL_CENTER_INTEGER) + if (!clip_control) center_offset = 63.0f / 64.0f; else - center_offset = -1.0f / 64.0f; + center_offset = 0.0f;
if (context->last_was_rhw) {