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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c36
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.h6
2 files changed, 42 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 1e730e5342..2713372b05 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -64,6 +64,7 @@ struct ureg_tokens {
};
#define UREG_MAX_INPUT PIPE_MAX_ATTRIBS
+#define UREG_MAX_SYSTEM_VALUE PIPE_MAX_ATTRIBS
#define UREG_MAX_OUTPUT PIPE_MAX_ATTRIBS
#define UREG_MAX_CONSTANT_RANGE 32
#define UREG_MAX_IMMEDIATE 32
@@ -95,6 +96,13 @@ struct ureg_program
unsigned nr_gs_inputs;
struct {
+ unsigned index;
+ unsigned semantic_name;
+ unsigned semantic_index;
+ } system_value[UREG_MAX_SYSTEM_VALUE];
+ unsigned nr_system_values;
+
+ struct {
unsigned semantic_name;
unsigned semantic_index;
} output[UREG_MAX_OUTPUT];
@@ -299,6 +307,25 @@ ureg_DECL_gs_input(struct ureg_program *ureg,
}
+struct ureg_src
+ureg_DECL_system_value(struct ureg_program *ureg,
+ unsigned index,
+ unsigned semantic_name,
+ unsigned semantic_index)
+{
+ if (ureg->nr_system_values < UREG_MAX_SYSTEM_VALUE) {
+ ureg->system_value[ureg->nr_system_values].index = index;
+ ureg->system_value[ureg->nr_system_values].semantic_name = semantic_name;
+ ureg->system_value[ureg->nr_system_values].semantic_index = semantic_index;
+ ureg->nr_system_values++;
+ } else {
+ set_bad(ureg);
+ }
+
+ return ureg_src_register(TGSI_FILE_SYSTEM_VALUE, index);
+}
+
+
struct ureg_dst
ureg_DECL_output( struct ureg_program *ureg,
unsigned name,
@@ -1003,6 +1030,15 @@ static void emit_decls( struct ureg_program *ureg )
}
}
+ for (i = 0; i < ureg->nr_system_values; i++) {
+ emit_decl(ureg,
+ TGSI_FILE_SYSTEM_VALUE,
+ ureg->system_value[i].index,
+ ureg->system_value[i].semantic_name,
+ ureg->system_value[i].semantic_index,
+ TGSI_INTERPOLATE_CONSTANT);
+ }
+
for (i = 0; i < ureg->nr_outputs; i++) {
emit_decl( ureg,
TGSI_FILE_OUTPUT,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 7e3e7bcf1d..179862d4e2 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -137,6 +137,12 @@ struct ureg_src
ureg_DECL_gs_input(struct ureg_program *,
unsigned index);
+struct ureg_src
+ureg_DECL_system_value(struct ureg_program *,
+ unsigned index,
+ unsigned semantic_name,
+ unsigned semantic_index);
+
struct ureg_dst
ureg_DECL_output( struct ureg_program *,
unsigned semantic_name,