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-rw-r--r--src/intel/compiler/brw_eu_defines.h2
-rw-r--r--src/intel/compiler/brw_fs.cpp22
-rw-r--r--src/intel/compiler/brw_fs_nir.cpp6
-rw-r--r--src/intel/compiler/brw_nir.c3
4 files changed, 31 insertions, 2 deletions
diff --git a/src/intel/compiler/brw_eu_defines.h b/src/intel/compiler/brw_eu_defines.h
index 52957882b10..affe977835b 100644
--- a/src/intel/compiler/brw_eu_defines.h
+++ b/src/intel/compiler/brw_eu_defines.h
@@ -811,6 +811,8 @@ enum tex_logical_srcs {
TEX_LOGICAL_SRC_LOD,
/** dPdy if the operation takes explicit derivatives */
TEX_LOGICAL_SRC_LOD2,
+ /** Min LOD */
+ TEX_LOGICAL_SRC_MIN_LOD,
/** Sample index */
TEX_LOGICAL_SRC_SAMPLE_INDEX,
/** MCS data */
diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp
index 713a6c7f40a..3125e5feb1d 100644
--- a/src/intel/compiler/brw_fs.cpp
+++ b/src/intel/compiler/brw_fs.cpp
@@ -4472,6 +4472,7 @@ lower_sampler_logical_send_gen7(const fs_builder &bld, fs_inst *inst, opcode op,
const fs_reg &coordinate,
const fs_reg &shadow_c,
fs_reg lod, const fs_reg &lod2,
+ const fs_reg &min_lod,
const fs_reg &sample_index,
const fs_reg &mcs,
const fs_reg &surface,
@@ -4682,6 +4683,15 @@ lower_sampler_logical_send_gen7(const fs_builder &bld, fs_inst *inst, opcode op,
bld.MOV(sources[length++], offset(coordinate, bld, i));
}
+ if (min_lod.file != BAD_FILE) {
+ /* Account for all of the missing coordinate sources */
+ length += 4 - coord_components;
+ if (op == SHADER_OPCODE_TXD)
+ length += (3 - grad_components) * 2;
+
+ bld.MOV(sources[length++], min_lod);
+ }
+
int mlen;
if (reg_width == 2)
mlen = length * reg_width - header_size;
@@ -4713,6 +4723,7 @@ lower_sampler_logical_send(const fs_builder &bld, fs_inst *inst, opcode op)
const fs_reg &shadow_c = inst->src[TEX_LOGICAL_SRC_SHADOW_C];
const fs_reg &lod = inst->src[TEX_LOGICAL_SRC_LOD];
const fs_reg &lod2 = inst->src[TEX_LOGICAL_SRC_LOD2];
+ const fs_reg &min_lod = inst->src[TEX_LOGICAL_SRC_MIN_LOD];
const fs_reg &sample_index = inst->src[TEX_LOGICAL_SRC_SAMPLE_INDEX];
const fs_reg &mcs = inst->src[TEX_LOGICAL_SRC_MCS];
const fs_reg &surface = inst->src[TEX_LOGICAL_SRC_SURFACE];
@@ -4725,7 +4736,8 @@ lower_sampler_logical_send(const fs_builder &bld, fs_inst *inst, opcode op)
if (devinfo->gen >= 7) {
lower_sampler_logical_send_gen7(bld, inst, op, coordinate,
- shadow_c, lod, lod2, sample_index,
+ shadow_c, lod, lod2, min_lod,
+ sample_index,
mcs, surface, sampler, tg4_offset,
coord_components, grad_components);
} else if (devinfo->gen >= 5) {
@@ -5262,6 +5274,14 @@ static unsigned
get_sampler_lowered_simd_width(const struct gen_device_info *devinfo,
const fs_inst *inst)
{
+ /* If we have a min_lod parameter on anything other than a simple sample
+ * message, it will push it over 5 arguments and we have to fall back to
+ * SIMD8.
+ */
+ if (inst->opcode != SHADER_OPCODE_TEX &&
+ inst->components_read(TEX_LOGICAL_SRC_MIN_LOD))
+ return 8;
+
/* Calculate the number of coordinate components that have to be present
* assuming that additional arguments follow the texel coordinates in the
* message payload. On IVB+ there is no need for padding, on ILK-SNB we
diff --git a/src/intel/compiler/brw_fs_nir.cpp b/src/intel/compiler/brw_fs_nir.cpp
index 165c70c7c29..d5a05aacdf5 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -2968,7 +2968,7 @@ fs_visitor::emit_non_coherent_fb_read(const fs_builder &bld, const fs_reg &dst,
/* Emit the instruction. */
const fs_reg srcs[] = { coords, fs_reg(), brw_imm_ud(0), fs_reg(),
- sample, mcs,
+ fs_reg(), sample, mcs,
brw_imm_ud(surface), brw_imm_ud(0),
fs_reg(), brw_imm_ud(3), brw_imm_ud(0) };
STATIC_ASSERT(ARRAY_SIZE(srcs) == TEX_LOGICAL_NUM_SRCS);
@@ -4792,6 +4792,10 @@ fs_visitor::nir_emit_texture(const fs_builder &bld, nir_tex_instr *instr)
break;
}
break;
+ case nir_tex_src_min_lod:
+ srcs[TEX_LOGICAL_SRC_MIN_LOD] =
+ retype(get_nir_src_imm(instr->src[i].src), BRW_REGISTER_TYPE_F);
+ break;
case nir_tex_src_ms_index:
srcs[TEX_LOGICAL_SRC_SAMPLE_INDEX] = retype(src, BRW_REGISTER_TYPE_UD);
break;
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index aa6788b9fe5..2723ab6d4fb 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -656,6 +656,9 @@ brw_preprocess_nir(const struct brw_compiler *compiler, nir_shader *nir)
.lower_txf_offset = true,
.lower_rect_offset = true,
.lower_txd_cube_map = true,
+ .lower_txb_shadow_clamp = true,
+ .lower_txd_shadow_clamp = true,
+ .lower_txd_offset_clamp = true,
};
OPT(nir_lower_tex, &tex_options);