Since pixel center lies at 0.5, add half_pixel to vtex
before adding offsets to it.
Signed-off-by: Nayan Deshmukh <nayan26deshm...@gmail.com>
---
src/gallium/auxiliary/vl/vl_bicubic_filter.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/gallium/auxiliary/vl/vl_bicubic_filter.c
b/src/gallium/auxiliary/vl/vl_bicubic_filter.c
index ca9f882..25bc58c 100644
--- a/src/gallium/auxiliary/vl/vl_bicubic_filter.c
+++ b/src/gallium/auxiliary/vl/vl_bicubic_filter.c
@@ -197,6 +197,8 @@ create_frag_shader(struct vl_bicubic_filter *filter,
unsigned video_width,
ureg_src(t_array[22]));
ureg_DIV(shader, ureg_writemask(t_array[22], TGSI_WRITEMASK_XY),
ureg_src(t_array[22]), ureg_imm2f(shader, video_width,
video_height));
+ ureg_ADD(shader, ureg_writemask(t_array[22], TGSI_WRITEMASK_XY),
+ ureg_src(t_array[22]), half_pixel);
/*
* t_array[0..*] = vtex + offset[0..*]
--
2.7.4
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