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glsl: add texture gather changes

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V2 [Chris Forbes]:
   - Add new pattern, fixup parameter reading.

V3: Rebase onto new builtins machinery

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Maxence Le Dore
2012-12-24 00:57:37 +01:00
committed by Chris Forbes
parent d3575622b7
commit 18002d9eda
14 changed files with 60 additions and 4 deletions
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src/glsl/ir_reader.cpp
+5 -1
View File
@@ -947,6 +947,8 @@ ir_reader::read_texture(s_expression *expr)
{ "txf_ms", s_type, s_sampler, s_coord, s_sample_index };
s_pattern txs_pattern[] =
{ "txs", s_type, s_sampler, s_lod };
s_pattern tg4_pattern[] =
{ "tg4", s_type, s_sampler, s_coord, s_offset };
s_pattern other_pattern[] =
{ tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod };
@@ -960,6 +962,8 @@ ir_reader::read_texture(s_expression *expr)
op = ir_txf_ms;
} else if (MATCH(expr, txs_pattern)) {
op = ir_txs;
} else if (MATCH(expr, tg4_pattern)) {
op = ir_tg4;
} else if (MATCH(expr, other_pattern)) {
op = ir_texture::get_opcode(tag->value());
if (op == -1)
@@ -1010,7 +1014,7 @@ ir_reader::read_texture(s_expression *expr)
}
}
if (op != ir_txf && op != ir_txf_ms && op != ir_txs && op != ir_lod) {
if (op != ir_txf && op != ir_txf_ms && op != ir_txs && op != ir_lod && op != ir_tg4) {
s_int *proj_as_int = SX_AS_INT(s_proj);
if (proj_as_int && proj_as_int->value() == 1) {
tex->projector = NULL;