From: Marek Olšák <[email protected]>
---
src/gallium/auxiliary/vl/vl_mc.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/gallium/auxiliary/vl/vl_mc.c b/src/gallium/auxiliary/vl/vl_mc.c
index 6c317bb..eb703a9 100644
--- a/src/gallium/auxiliary/vl/vl_mc.c
+++ b/src/gallium/auxiliary/vl/vl_mc.c
@@ -79,14 +79,18 @@ calc_position(struct vl_mc *r, struct ureg_program *shader,
struct ureg_src bloc
}
static struct ureg_dst
-calc_line(struct ureg_program *shader)
+calc_line(struct pipe_screen *screen, struct ureg_program *shader)
{
struct ureg_dst tmp;
struct ureg_src pos;
tmp = ureg_DECL_temporary(shader);
- pos = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS,
TGSI_INTERPOLATE_LINEAR);
+ if (screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL))
+ pos = ureg_DECL_system_value(shader, TGSI_SEMANTIC_POSITION, 0);
+ else
+ pos = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS,
+ TGSI_INTERPOLATE_LINEAR);
/*
* tmp.y = fraction(pos.y / 2) >= 0.5 ? 1 : 0
@@ -177,7 +181,7 @@ create_ref_frag_shader(struct vl_mc *r)
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
- field = calc_line(shader);
+ field = calc_line(r->pipe->screen, shader);
/*
* ref = field.z ? tc[1] : tc[0]
@@ -324,7 +328,7 @@ create_ycbcr_frag_shader(struct vl_mc *r, float scale, bool
invert,
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
- tmp = calc_line(shader);
+ tmp = calc_line(r->pipe->screen, shader);
/*
* if (field == tc.w)
--
2.1.4
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