Merge remote-tracking branch 'public/master' into vulkan

[mesa.git] / src / mesa / drivers / dri / i965 / brw_fs_visitor.cpp

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index f1da218ba63c139faaf6481f47f57b6a771c3e04..daabf708b06e9e7913d7f0ace8d167b88b719f42 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -228,10 +228,16 @@ fs_visitor::emit_texture(ir_texture_opcode op,
    }
 
    /* fixup #layers for cube map arrays */
-   if (op == ir_txs && is_cube_array) {
+   if (op == ir_txs && (devinfo->gen < 7 || is_cube_array)) {
       fs_reg depth = offset(dst, bld, 2);
       fs_reg fixed_depth = vgrf(glsl_type::int_type);
-      bld.emit(SHADER_OPCODE_INT_QUOTIENT, fixed_depth, depth, brw_imm_d(6));
+
+      if (is_cube_array) {
+         bld.emit(SHADER_OPCODE_INT_QUOTIENT, fixed_depth, depth, brw_imm_d(6));
+      } else if (devinfo->gen < 7) {
+         /* Gen4-6 return 0 instead of 1 for single layer surfaces. */
+         bld.emit_minmax(fixed_depth, depth, brw_imm_d(1), BRW_CONDITIONAL_GE);
+      }
 
       fs_reg *fixed_payload = ralloc_array(mem_ctx, fs_reg, inst->regs_written);
       int components = inst->regs_written / (inst->exec_size / 8);