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authorNicolai Hähnle <[email protected]>2016-11-29 12:38:48 +0100
committerNicolai Hähnle <[email protected]>2016-12-12 09:04:03 +0100
commit2eaacba7f28da49c2d248fa2df9feeca32f3480c (patch)
treec070ec1501ac5c1a5acd46c1adaac70b422354b8 /src/gallium/auxiliary/tgsi
parentcc34a6f0bd1e1c01ef8eb4f7be2bc8bde859ca1f (diff)
st/glsl_to_tgsi: plumb the GS output stream qualifier through to TGSI
Allow drivers to emit GS outputs in a smarter way. Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/tgsi')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.c21
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ureg.h1
2 files changed, 21 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 7bcd242975c..196a893b759 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -127,6 +127,7 @@ struct ureg_program
struct {
unsigned semantic_name;
unsigned semantic_index;
+ unsigned streams;
unsigned usage_mask; /* = TGSI_WRITEMASK_* */
unsigned first;
unsigned last;
@@ -409,6 +410,7 @@ struct ureg_dst
ureg_DECL_output_layout(struct ureg_program *ureg,
unsigned semantic_name,
unsigned semantic_index,
+ unsigned streams,
unsigned index,
unsigned usage_mask,
unsigned array_id,
@@ -417,6 +419,10 @@ ureg_DECL_output_layout(struct ureg_program *ureg,
unsigned i;
assert(usage_mask != 0);
+ assert(!(streams & 0x03) || (usage_mask & 1));
+ assert(!(streams & 0x0c) || (usage_mask & 2));
+ assert(!(streams & 0x30) || (usage_mask & 4));
+ assert(!(streams & 0xc0) || (usage_mask & 8));
for (i = 0; i < ureg->nr_outputs; i++) {
if (ureg->output[i].semantic_name == semantic_name &&
@@ -441,9 +447,12 @@ ureg_DECL_output_layout(struct ureg_program *ureg,
}
else {
set_bad( ureg );
+ i = 0;
}
out:
+ ureg->output[i].streams |= streams;
+
return ureg_dst_array_register(TGSI_FILE_OUTPUT, ureg->output[i].first,
array_id);
}
@@ -457,7 +466,7 @@ ureg_DECL_output_masked(struct ureg_program *ureg,
unsigned array_id,
unsigned array_size)
{
- return ureg_DECL_output_layout(ureg, name, index,
+ return ureg_DECL_output_layout(ureg, name, index, 0,
ureg->nr_output_regs, usage_mask, array_id, array_size);
}
@@ -1554,6 +1563,7 @@ emit_decl_semantic(struct ureg_program *ureg,
unsigned last,
unsigned semantic_name,
unsigned semantic_index,
+ unsigned streams,
unsigned usage_mask,
unsigned array_id)
{
@@ -1574,6 +1584,10 @@ emit_decl_semantic(struct ureg_program *ureg,
out[2].value = 0;
out[2].decl_semantic.Name = semantic_name;
out[2].decl_semantic.Index = semantic_index;
+ out[2].decl_semantic.StreamX = streams & 3;
+ out[2].decl_semantic.StreamY = (streams >> 2) & 3;
+ out[2].decl_semantic.StreamZ = (streams >> 4) & 3;
+ out[2].decl_semantic.StreamW = (streams >> 6) & 3;
if (array_id) {
out[3].value = 0;
@@ -1878,6 +1892,7 @@ static void emit_decls( struct ureg_program *ureg )
ureg->input[i].last,
ureg->input[i].semantic_name,
ureg->input[i].semantic_index,
+ 0,
TGSI_WRITEMASK_XYZW,
ureg->input[i].array_id);
}
@@ -1891,6 +1906,7 @@ static void emit_decls( struct ureg_program *ureg )
ureg->input[i].semantic_name,
ureg->input[i].semantic_index +
(j - ureg->input[i].first),
+ 0,
TGSI_WRITEMASK_XYZW, 0);
}
}
@@ -1904,6 +1920,7 @@ static void emit_decls( struct ureg_program *ureg )
i,
ureg->system_value[i].semantic_name,
ureg->system_value[i].semantic_index,
+ 0,
TGSI_WRITEMASK_XYZW, 0);
}
@@ -1915,6 +1932,7 @@ static void emit_decls( struct ureg_program *ureg )
ureg->output[i].last,
ureg->output[i].semantic_name,
ureg->output[i].semantic_index,
+ ureg->output[i].streams,
ureg->output[i].usage_mask,
ureg->output[i].array_id);
}
@@ -1928,6 +1946,7 @@ static void emit_decls( struct ureg_program *ureg )
ureg->output[i].semantic_name,
ureg->output[i].semantic_index +
(j - ureg->output[i].first),
+ ureg->output[i].streams,
ureg->output[i].usage_mask, 0);
}
}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index d3c28b33e84..51f69853b7e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -251,6 +251,7 @@ struct ureg_dst
ureg_DECL_output_layout(struct ureg_program *,
unsigned semantic_name,
unsigned semantic_index,
+ unsigned streams,
unsigned index,
unsigned usage_mask,
unsigned array_id,