From: Marek Olšák <marek.ol...@amd.com>
No known benefit for OpenGL, but it doesn't hurt.
---
src/gallium/drivers/radeonsi/si_pipe.c | 2 +-
src/gallium/drivers/radeonsi/si_state_draw.c | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
index 61a3885..19ad75a 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -183,6 +183,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
+ case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
case PIPE_CAP_SM3:
case PIPE_CAP_SEAMLESS_CUBE_MAP:
case PIPE_CAP_PRIMITIVE_RESTART:
@@ -240,7 +241,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum
pipe_cap param)
/* Unsupported features. */
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
- case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index f108282..674b4a0 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -262,6 +262,10 @@ static void si_shader_ps(struct si_shader *shader)
spi_baryc_cntl |=
S_0286E0_POS_FLOAT_LOCATION(2);
break;
}
+
+ if
(info->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] ==
+ TGSI_FS_COORD_PIXEL_CENTER_INTEGER)
+ spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1);
break;
}
}
--
2.1.0
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