From: Alejandro Piñeiro <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index c3638a0..47e70ce 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1417,13 +1417,18 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
const glsl_type *dest_type;
+ src_reg shadow_comparitor;
+ int shadow_compare = 0;
+
/* Load the texture operation sources */
for (unsigned i = 0; i < instr->num_srcs; i++) {
src_reg src = get_nir_src(instr->src[i].src);
switch (instr->src[i].src_type) {
case nir_tex_src_comparitor:
- /* @TODO: not yet implemented */
+ shadow_comparitor = retype(src, BRW_REGISTER_TYPE_F);
+ shadow_comparitor.swizzle = BRW_SWIZZLE_XXXX;
+ shadow_compare = 1;
break;
case nir_tex_src_coord:
@@ -1497,6 +1502,7 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
inst->base_mrf = 2;
inst->mlen = inst->header_size + 1;
inst->dst.writemask = WRITEMASK_XYZW;
+ inst->shadow_compare = shadow_compare;
inst->src[1] = sampler_reg;
@@ -1508,7 +1514,13 @@ vec4_visitor::nir_emit_texture(nir_tex_instr *instr)
} else {
/* @TODO: Load the coordinate */
- /* @TODO: Load the shadow comparitor */
+ /* Load the shadow comparitor */
+ if (shadow_compare && instr->op != nir_texop_txd) {
+ emit(MOV(dst_reg(MRF, param_base + 1, shadow_comparitor.type,
+ WRITEMASK_X),
+ shadow_comparitor));
+ inst->mlen++;
+ }
/* Load the LOD info */
if (instr->op == nir_texop_tex || instr->op == nir_texop_txl) {
--
2.1.4
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