glsl: add plumbing for GL_ARB_texture_query_levels

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Matt Turner <mattst88@gmail.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp
index 8038b8f..ea0c09a 100644
--- a/src/glsl/ir_reader.cpp
+++ b/src/glsl/ir_reader.cpp
@@ -949,6 +949,8 @@ ir_reader::read_texture(s_expression *expr)
       { "txs", s_type, s_sampler, s_lod };
    s_pattern tg4_pattern[] =
       { "tg4", s_type, s_sampler, s_coord, s_offset };
+   s_pattern query_levels_pattern[] =
+      { "query_levels", s_type, s_sampler };
    s_pattern other_pattern[] =
       { tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod };
 
@@ -964,6 +966,8 @@ ir_reader::read_texture(s_expression *expr)
       op = ir_txs;
    } else if (MATCH(expr, tg4_pattern)) {
       op = ir_tg4;
+   } else if (MATCH(expr, query_levels_pattern)) {
+      op = ir_query_levels;
    } else if (MATCH(expr, other_pattern)) {
       op = ir_texture::get_opcode(tag->value());
       if (op == -1)
@@ -1014,7 +1018,9 @@ ir_reader::read_texture(s_expression *expr)
       }
    }
 
-   if (op != ir_txf && op != ir_txf_ms && op != ir_txs && op != ir_lod && op != ir_tg4) {
+   if (op != ir_txf && op != ir_txf_ms &&
+       op != ir_txs && op != ir_lod && op != ir_tg4 &&
+       op != ir_query_levels) {
       s_int *proj_as_int = SX_AS_INT(s_proj);
       if (proj_as_int && proj_as_int->value() == 1) {
 	 tex->projector = NULL;