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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_scan.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 76a6fef8b44..d90fb1d68df 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -54,6 +54,20 @@ is_memory_file(unsigned file)
}
+/**
+ * Is the opcode a "true" texture instruction which samples from a
+ * texture map?
+ */
+static bool
+is_texture_inst(unsigned opcode)
+{
+ return (opcode != TGSI_OPCODE_TXQ &&
+ opcode != TGSI_OPCODE_TXQS &&
+ opcode != TGSI_OPCODE_TXQ_LZ &&
+ opcode != TGSI_OPCODE_LODQ &&
+ tgsi_get_opcode_info(opcode)->is_tex);
+}
+
static void
scan_instruction(struct tgsi_shader_info *info,
const struct tgsi_full_instruction *fullinst,
@@ -189,7 +203,7 @@ scan_instruction(struct tgsi_shader_info *info,
assert(index < Elements(info->is_msaa_sampler));
assert(index < PIPE_MAX_SAMPLERS);
- if (tgsi_get_opcode_info(fullinst->Instruction.Opcode)->is_tex) {
+ if (is_texture_inst(fullinst->Instruction.Opcode)) {
const unsigned target = fullinst->Texture.Texture;
assert(target < TGSI_TEXTURE_UNKNOWN);
/* for texture instructions, check that the texture instruction