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llvmpipe: PointCoord is offset when multisampling is enabled

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Acked-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32578>
This commit is contained in:
Aleksi Sapon 2024-12-10 14:42:20 -05:00 • committed by Marge Bot
parent dda03a21d6
commit c0a0953476
1 changed files with 5 additions and 6 deletions
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11
src/gallium/drivers/llvmpipe/lp_setup_point.c
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@ -115,11 +115,12 @@ texcoord_coef(struct lp_setup_context *setup,
assert(i < 4);
const float pixel_offset = setup->multisample ? 0.0 : setup->pixel_offset;
if (i == 0) {
float dadx = FIXED_ONE / (float)info->dx12;
float dady = 0.0f;
float x0 = info->v0[0][0] - setup->pixel_offset;
float y0 = info->v0[0][1] - setup->pixel_offset;
float x0 = info->v0[0][0] - pixel_offset;
float y0 = info->v0[0][1] - pixel_offset;
info->dadx[slot][0] = dadx;
info->dady[slot][0] = dady;
@ -133,8 +134,8 @@ texcoord_coef(struct lp_setup_context *setup,
} else if (i == 1) {
float dadx = 0.0f;
float dady = FIXED_ONE / (float)info->dx12;
float x0 = info->v0[0][0] - setup->pixel_offset;
float y0 = info->v0[0][1] - setup->pixel_offset;
float x0 = info->v0[0][0] - pixel_offset;
float y0 = info->v0[0][1] - pixel_offset;
if (sprite_coord_origin == PIPE_SPRITE_COORD_LOWER_LEFT) {
dady = -dady;
@ -630,5 +631,3 @@ lp_setup_choose_point(struct lp_setup_context *setup)
setup->point = lp_setup_point;
}
}