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st/mesa: use TGSI utility to emulate features for FS variants

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Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Tested-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák
2015-10-04 00:33:11 +02:00
parent 941721ee2a
commit c04e91a0e9
1 changed files with 21 additions and 6 deletions
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27
src/mesa/state_tracker/st_program.c
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@@ -620,8 +620,7 @@ st_translate_fragment_program(struct st_context *st,
interpLocation[slot] = TGSI_INTERPOLATE_LOC_CENTER; interpLocation[slot] = TGSI_INTERPOLATE_LOC_CENTER;
if (stfp->Base.Base.SystemValuesRead & (SYSTEM_BIT_SAMPLE_ID | if (stfp->Base.Base.SystemValuesRead & (SYSTEM_BIT_SAMPLE_ID |
SYSTEM_BIT_SAMPLE_POS) || SYSTEM_BIT_SAMPLE_POS))
key->persample_shading)
interpLocation[slot] = TGSI_INTERPOLATE_LOC_SAMPLE; interpLocation[slot] = TGSI_INTERPOLATE_LOC_SAMPLE;
switch (attr) { switch (attr) {
@@ -861,7 +860,7 @@ st_translate_fragment_program(struct st_context *st,
NULL, NULL,
fs_output_semantic_name, fs_output_semantic_name,
fs_output_semantic_index, FALSE, fs_output_semantic_index, FALSE,
key->clamp_color ); false);
else else
st_translate_mesa_program(st->ctx, st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_FRAGMENT, TGSI_PROCESSOR_FRAGMENT,
@@ -878,10 +877,26 @@ st_translate_fragment_program(struct st_context *st,
outputMapping, outputMapping,
fs_output_semantic_name, fs_output_semantic_name,
fs_output_semantic_index, FALSE, fs_output_semantic_index, FALSE,
key->clamp_color); false);
variant->tgsi.tokens = ureg_get_tokens( ureg, NULL ); variant->tgsi.tokens = ureg_get_tokens(ureg, NULL);
ureg_destroy( ureg ); ureg_destroy(ureg);
/* Emulate features. */
if (key->clamp_color || key->persample_shading) {
const struct tgsi_token *tokens;
unsigned flags =
(key->clamp_color ? TGSI_EMU_CLAMP_COLOR_OUTPUTS : 0) |
(key->persample_shading ? TGSI_EMU_FORCE_PERSAMPLE_INTERP : 0);
tokens = tgsi_emulate(variant->tgsi.tokens, flags);
if (tokens) {
tgsi_free_tokens(variant->tgsi.tokens);
variant->tgsi.tokens = tokens;
} else
fprintf(stderr, "mesa: cannot emulate deprecated features\n");
}
if (ST_DEBUG & DEBUG_TGSI) { if (ST_DEBUG & DEBUG_TGSI) {
tgsi_dump(variant->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/); tgsi_dump(variant->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/);