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-rw-r--r--src/gallium/drivers/softpipe/sp_setup.c27
-rw-r--r--src/gallium/drivers/softpipe/sp_state_derived.c1
-rw-r--r--src/gallium/include/pipe/p_shader_tokens.h3
3 files changed, 15 insertions, 16 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index e5be65242d6..1eb23cd6b6f 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -785,11 +785,10 @@ static void setup_tri_coefficients( struct setup_context *setup )
assert(0);
}
- if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) {
- /* FOG.y = front/back facing XXX fix this */
- setup->coef[fragSlot].a0[1] = 1.0f - setup->quad.input.facing;
- setup->coef[fragSlot].dadx[1] = 0.0;
- setup->coef[fragSlot].dady[1] = 0.0;
+ if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
+ setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing;
+ setup->coef[fragSlot].dadx[0] = 0.0;
+ setup->coef[fragSlot].dady[0] = 0.0;
}
}
}
@@ -1096,11 +1095,10 @@ setup_line_coefficients(struct setup_context *setup,
assert(0);
}
- if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) {
- /* FOG.y = front/back facing XXX fix this */
- setup->coef[fragSlot].a0[1] = 1.0f - setup->quad.input.facing;
- setup->coef[fragSlot].dadx[1] = 0.0;
- setup->coef[fragSlot].dady[1] = 0.0;
+ if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
+ setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing;
+ setup->coef[fragSlot].dadx[0] = 0.0;
+ setup->coef[fragSlot].dady[0] = 0.0;
}
}
return TRUE;
@@ -1342,11 +1340,10 @@ setup_point( struct setup_context *setup,
assert(0);
}
- if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FOG) {
- /* FOG.y = front/back facing XXX fix this */
- setup->coef[fragSlot].a0[1] = 1.0f - setup->quad.input.facing;
- setup->coef[fragSlot].dadx[1] = 0.0;
- setup->coef[fragSlot].dady[1] = 0.0;
+ if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
+ setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing;
+ setup->coef[fragSlot].dadx[0] = 0.0;
+ setup->coef[fragSlot].dady[0] = 0.0;
}
}
diff --git a/src/gallium/drivers/softpipe/sp_state_derived.c b/src/gallium/drivers/softpipe/sp_state_derived.c
index 6b6a4c3ff34..75551000c9b 100644
--- a/src/gallium/drivers/softpipe/sp_state_derived.c
+++ b/src/gallium/drivers/softpipe/sp_state_derived.c
@@ -110,6 +110,7 @@ softpipe_get_vertex_info(struct softpipe_context *softpipe)
break;
case TGSI_SEMANTIC_GENERIC:
+ case TGSI_SEMANTIC_FACE:
/* this includes texcoords and varying vars */
src = draw_find_vs_output(softpipe->draw, TGSI_SEMANTIC_GENERIC,
spfs->info.input_semantic_index[i]);
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 4dafdd6f0a9..b00cfe3423c 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -131,7 +131,8 @@ struct tgsi_declaration_range
#define TGSI_SEMANTIC_PSIZE 4
#define TGSI_SEMANTIC_GENERIC 5
#define TGSI_SEMANTIC_NORMAL 6
-#define TGSI_SEMANTIC_COUNT 7 /**< number of semantic values */
+#define TGSI_SEMANTIC_FACE 7
+#define TGSI_SEMANTIC_COUNT 8 /**< number of semantic values */
struct tgsi_declaration_semantic
{