Signed-off-by: Chris Forbes <chr...@ijw.co.nz>
---
src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index b6f7771..0050252 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -975,11 +975,26 @@ fs_visitor::emit_texture_gen5(ir_texture *ir, fs_reg dst,
fs_reg coordinate,
inst = emit(SHADER_OPCODE_TXD, dst);
break;
}
- case ir_txs:
+ case ir_txs: {
emit(MOV(fs_reg(MRF, base_mrf + mlen, BRW_REGISTER_TYPE_UD), lod));
mlen += reg_width;
inst = emit(SHADER_OPCODE_TXS, dst);
+
+ /* fixup #layers for cube arrays */
+ glsl_type const * type = ir->sampler->variable_referenced()->type;
+ if (type->sampler_dimensionality == GLSL_SAMPLER_DIM_CUBE &&
+ type->sampler_array) {
+ /* emit_math can't cope with immediates. */
+ fs_reg * imm = new (mem_ctx) fs_reg(this, glsl_type::ivec4_type);
+ emit(MOV(*imm, fs_reg(6)));
+
+ fs_reg depth = dst;
+ depth.reg_offset = 2;
+ emit_math(SHADER_OPCODE_INT_QUOTIENT, depth, depth, *imm);
+ }
+
break;
+ }
case ir_txf:
mlen = header_present + 4 * reg_width;
--
1.8.0
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