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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_nir.cpp8
-rw-r--r--src/mesa/drivers/dri/i965/brw_shader.cpp3
2 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 725f5dac0c7..43d37453425 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -3205,12 +3205,18 @@ fs_visitor::nir_emit_texture(const fs_builder &bld, nir_tex_instr *instr)
case nir_texop_txs: op = ir_txs; break;
case nir_texop_texture_samples: {
fs_reg dst = retype(get_nir_dest(instr->dest), BRW_REGISTER_TYPE_D);
- fs_inst *inst = bld.emit(SHADER_OPCODE_SAMPLEINFO, dst,
+
+ fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_D, 4);
+ fs_inst *inst = bld.emit(SHADER_OPCODE_SAMPLEINFO, tmp,
bld.vgrf(BRW_REGISTER_TYPE_D, 1),
texture_reg, texture_reg);
inst->mlen = 1;
inst->header_size = 1;
inst->base_mrf = -1;
+ inst->regs_written = 4 * (dispatch_width / 8);
+
+ /* Pick off the one component we care about */
+ bld.MOV(dst, tmp);
return;
}
case nir_texop_samples_identical: op = ir_samples_identical; break;
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index d9e654c4d4f..80fddfc1bd4 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -757,7 +757,8 @@ backend_instruction::is_tex() const
opcode == SHADER_OPCODE_TXS ||
opcode == SHADER_OPCODE_LOD ||
opcode == SHADER_OPCODE_TG4 ||
- opcode == SHADER_OPCODE_TG4_OFFSET);
+ opcode == SHADER_OPCODE_TG4_OFFSET ||
+ opcode == SHADER_OPCODE_SAMPLEINFO);
}
bool