[Mesa-dev] [PATCH 31/78] i965/nir/vec4: Implement more math operations
Eduardo Lima Mitev
elima at igalia.com
Fri Jun 26 01:06:47 PDT 2015
From: Antia Puentes <apuentes at igalia.com>
Adds NIR ALU operations:
* nir_op_frcp
* nir_op_fexp2
* nir_op_flog2
* nir_op_fexp
* nir_op_flog
* nir_op_fsin
* nir_op_fcos
* nir_op_idiv
* nir_op_udiv
* nir_op_umod
* nir_op_ldexp
* nir_op_fsqrt
* nir_op_frsq
* nir_op_fpow
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 52 ++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index d565157..6b3c46e 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -787,6 +787,58 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
}
+ case nir_op_frcp:
+ inst = emit_math(SHADER_OPCODE_RCP, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_fexp2:
+ inst = emit_math(SHADER_OPCODE_EXP2, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_flog2:
+ inst = emit_math(SHADER_OPCODE_LOG2, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_fsin:
+ inst = emit_math(SHADER_OPCODE_SIN, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_fcos:
+ inst = emit_math(SHADER_OPCODE_COS, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_idiv:
+ case nir_op_udiv:
+ emit_math(SHADER_OPCODE_INT_QUOTIENT, dst, op[0], op[1]);
+ break;
+
+ case nir_op_umod:
+ emit_math(SHADER_OPCODE_INT_REMAINDER, dst, op[0], op[1]);
+ break;
+
+ case nir_op_ldexp:
+ unreachable("not reached: should be handled by ldexp_to_arith()");
+
+ case nir_op_fsqrt:
+ inst = emit_math(SHADER_OPCODE_SQRT, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_frsq:
+ inst = emit_math(SHADER_OPCODE_RSQ, dst, op[0]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
+ case nir_op_fpow:
+ inst = emit_math(SHADER_OPCODE_POW, dst, op[0], op[1]);
+ inst->saturate = instr->dest.saturate;
+ break;
+
default:
unreachable("Unimplemented ALU operation");
}
--
2.1.4
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