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ureg: support centroid interpolation

This commit is contained in:
Luca Barbieri 2010-09-27 18:07:45 +02:00
parent 94c2be73f4
commit ff531c5b05
2 changed files with 31 additions and 9 deletions
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16
src/gallium/auxiliary/tgsi/tgsi_ureg.c
View File

@ -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++) {

24
src/gallium/auxiliary/tgsi/tgsi_ureg.h
View File

@ -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