From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Wed, 20 May 2020 14:25:28 +0000 (+0200)
Subject: aco: add support for bias/lod with texture gather
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=94570e87bd7702816158ce49a612e4b4e278f7f4;p=mesa.git

aco: add support for bias/lod with texture gather

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5147>
---

diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index fa9937dabe9..9f97e1fc647 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -8821,14 +8821,34 @@ void visit_tex(isel_context *ctx, nir_tex_instr *instr)
    }
 
    if (instr->op == nir_texop_tg4) {
-      if (has_offset) {
-         opcode = aco_opcode::image_gather4_lz_o;
-         if (has_compare)
+      if (has_offset) { /* image_gather4_*_o */
+         if (has_compare) {
             opcode = aco_opcode::image_gather4_c_lz_o;
+            if (has_lod)
+               opcode = aco_opcode::image_gather4_c_l_o;
+            if (has_bias)
+               opcode = aco_opcode::image_gather4_c_b_o;
+         } else {
+            opcode = aco_opcode::image_gather4_lz_o;
+            if (has_lod)
+               opcode = aco_opcode::image_gather4_l_o;
+            if (has_bias)
+               opcode = aco_opcode::image_gather4_b_o;
+         }
       } else {
-         opcode = aco_opcode::image_gather4_lz;
-         if (has_compare)
+         if (has_compare) {
             opcode = aco_opcode::image_gather4_c_lz;
+            if (has_lod)
+               opcode = aco_opcode::image_gather4_c_l;
+            if (has_bias)
+               opcode = aco_opcode::image_gather4_c_b;
+         } else {
+            opcode = aco_opcode::image_gather4_lz;
+            if (has_lod)
+               opcode = aco_opcode::image_gather4_l;
+            if (has_bias)
+               opcode = aco_opcode::image_gather4_b;
+         }
       }
    } else if (instr->op == nir_texop_lod) {
       opcode = aco_opcode::image_get_lod;