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authorMarek Olšák <[email protected]>2015-10-04 00:33:11 +0200
committerMarek Olšák <[email protected]>2015-10-09 22:02:18 +0200
commit941721ee2a90811b225db3241e280ea4ab27ea40 (patch)
treec98ac8f291eded4fda53b5996055f13dc6f121df /src/mesa/state_tracker/st_program.c
parent4bbe418b4b35039e72b72bd9dff1ebdd96014d5f (diff)
st/mesa: use TGSI utility to emulate features for VS variants
Reviewed-by: Dave Airlie <[email protected]> Reviewed-by: Brian Paul <[email protected]> Tested-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
-rw-r--r--src/mesa/state_tracker/st_program.c41
1 files changed, 29 insertions, 12 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 9e100dbd627..6ace35295a2 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -43,6 +43,8 @@
#include "pipe/p_shader_tokens.h"
#include "draw/draw_context.h"
#include "tgsi/tgsi_dump.h"
+#include "tgsi/tgsi_emulate.h"
+#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_ureg.h"
#include "st_debug.h"
@@ -377,12 +379,6 @@ st_translate_vertex_program(struct st_context *st,
vpv->key = *key;
- vpv->num_inputs = stvp->num_inputs;
- if (key->passthrough_edgeflags) {
- vpv->num_inputs++;
- num_outputs++;
- }
-
if (ST_DEBUG & DEBUG_MESA) {
_mesa_print_program(&stvp->Base.Base);
_mesa_print_program_parameters(st->ctx, &stvp->Base.Base);
@@ -396,7 +392,7 @@ st_translate_vertex_program(struct st_context *st,
stvp->glsl_to_tgsi,
&stvp->Base.Base,
/* inputs */
- vpv->num_inputs,
+ stvp->num_inputs,
input_to_index,
NULL, /* inputSlotToAttr */
NULL, /* input semantic name */
@@ -409,15 +405,15 @@ st_translate_vertex_program(struct st_context *st,
output_slot_to_attr,
output_semantic_name,
output_semantic_index,
- key->passthrough_edgeflags,
- key->clamp_color);
+ false,
+ false);
else
error = st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_VERTEX,
ureg,
&stvp->Base.Base,
/* inputs */
- vpv->num_inputs,
+ stvp->num_inputs,
input_to_index,
NULL, /* input semantic name */
NULL, /* input semantic index */
@@ -427,8 +423,8 @@ st_translate_vertex_program(struct st_context *st,
stvp->result_to_output,
output_semantic_name,
output_semantic_index,
- key->passthrough_edgeflags,
- key->clamp_color);
+ false,
+ false);
if (error)
goto fail;
@@ -445,6 +441,27 @@ st_translate_vertex_program(struct st_context *st,
&vpv->tgsi.stream_output);
}
+ vpv->num_inputs = stvp->num_inputs;
+
+ /* Emulate features. */
+ if (key->clamp_color || key->passthrough_edgeflags) {
+ const struct tgsi_token *tokens;
+ unsigned flags =
+ (key->clamp_color ? TGSI_EMU_CLAMP_COLOR_OUTPUTS : 0) |
+ (key->passthrough_edgeflags ? TGSI_EMU_PASSTHROUGH_EDGEFLAG : 0);
+
+ tokens = tgsi_emulate(vpv->tgsi.tokens, flags);
+
+ if (tokens) {
+ tgsi_free_tokens(vpv->tgsi.tokens);
+ vpv->tgsi.tokens = tokens;
+
+ if (key->passthrough_edgeflags)
+ vpv->num_inputs++;
+ } else
+ fprintf(stderr, "mesa: cannot emulate deprecated features\n");
+ }
+
if (ST_DEBUG & DEBUG_TGSI) {
tgsi_dump(vpv->tgsi.tokens, 0);
debug_printf("\n");