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authorLuca Barbieri <luca@luca-barbieri.com>2010-09-27 18:07:45 +0200
committerLuca Barbieri <luca@luca-barbieri.com>2010-09-27 22:20:52 +0200
commitff531c5b05cb4c078b42c6b14e707646d3d158c9 (patch)
tree80e57903330c61d96144cd61c23fa6e3b41e640f /src/gallium/auxiliary/tgsi
parent94c2be73f417d5617946db306c28c318dbc094a2 (diff)
ureg: support centroid interpolation
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c16
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.h24
2 files changed, 31 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 3cf6893a9b..7d13a17bdb 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -96,7 +96,8 @@ struct ureg_program
unsigned semantic_name;
unsigned semantic_index;
unsigned interp;
- unsigned cylindrical_wrap;
+ unsigned char cylindrical_wrap;
+ unsigned char centroid;
} fs_input[UREG_MAX_INPUT];
unsigned nr_fs_inputs;
@@ -286,11 +287,12 @@ ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
struct ureg_src
-ureg_DECL_fs_input_cyl(struct ureg_program *ureg,
+ureg_DECL_fs_input_cyl_centroid(struct ureg_program *ureg,
unsigned semantic_name,
unsigned semantic_index,
unsigned interp_mode,
- unsigned cylindrical_wrap)
+ unsigned cylindrical_wrap,
+ unsigned centroid)
{
unsigned i;
@@ -306,6 +308,7 @@ ureg_DECL_fs_input_cyl(struct ureg_program *ureg,
ureg->fs_input[i].semantic_index = semantic_index;
ureg->fs_input[i].interp = interp_mode;
ureg->fs_input[i].cylindrical_wrap = cylindrical_wrap;
+ ureg->fs_input[i].centroid = centroid;
ureg->nr_fs_inputs++;
} else {
set_bad(ureg);
@@ -1126,7 +1129,8 @@ emit_decl_fs(struct ureg_program *ureg,
unsigned semantic_name,
unsigned semantic_index,
unsigned interpolate,
- unsigned cylindrical_wrap)
+ unsigned cylindrical_wrap,
+ unsigned centroid)
{
union tgsi_any_token *out = get_tokens(ureg, DOMAIN_DECL, 3);
@@ -1138,6 +1142,7 @@ emit_decl_fs(struct ureg_program *ureg,
out[0].decl.Interpolate = interpolate;
out[0].decl.Semantic = 1;
out[0].decl.CylindricalWrap = cylindrical_wrap;
+ out[0].decl.Centroid = centroid;
out[1].value = 0;
out[1].decl_range.First = index;
@@ -1287,7 +1292,8 @@ static void emit_decls( struct ureg_program *ureg )
ureg->fs_input[i].semantic_name,
ureg->fs_input[i].semantic_index,
ureg->fs_input[i].interp,
- ureg->fs_input[i].cylindrical_wrap);
+ ureg->fs_input[i].cylindrical_wrap,
+ ureg->fs_input[i].centroid);
}
} else {
for (i = 0; i < ureg->nr_gs_inputs; i++) {
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 07fb01ab7b..acc463200a 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -158,11 +158,27 @@ ureg_property_fs_coord_pixel_center(struct ureg_program *ureg,
*/
struct ureg_src
-ureg_DECL_fs_input_cyl(struct ureg_program *,
+ureg_DECL_fs_input_cyl_centroid(struct ureg_program *,
unsigned semantic_name,
unsigned semantic_index,
unsigned interp_mode,
- unsigned cylindrical_wrap);
+ unsigned cylindrical_wrap,
+ unsigned centroid);
+
+static INLINE struct ureg_src
+ureg_DECL_fs_input_cyl(struct ureg_program *ureg,
+ unsigned semantic_name,
+ unsigned semantic_index,
+ unsigned interp_mode,
+ unsigned cylindrical_wrap)
+{
+ return ureg_DECL_fs_input_cyl_centroid(ureg,
+ semantic_name,
+ semantic_index,
+ interp_mode,
+ cylindrical_wrap,
+ 0);
+}
static INLINE struct ureg_src
ureg_DECL_fs_input(struct ureg_program *ureg,
@@ -170,11 +186,11 @@ ureg_DECL_fs_input(struct ureg_program *ureg,
unsigned semantic_index,
unsigned interp_mode)
{
- return ureg_DECL_fs_input_cyl(ureg,
+ return ureg_DECL_fs_input_cyl_centroid(ureg,
semantic_name,
semantic_index,
interp_mode,
- 0);
+ 0, 0);
}
struct ureg_src