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i965/fs_nir: Handle coarse/fine derivatives

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Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Jason Ekstrand
2014-10-15 14:44:00 -07:00
parent d40b5ca5c5
commit 95fbd6e1ee
1 changed files with 18 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+18
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@@ -613,6 +613,14 @@ fs_visitor::nir_emit_alu(nir_alu_instr *instr)
emit_percomp(FS_OPCODE_DDX_COARSE, result, op[0],
instr->dest.write_mask, instr->dest.saturate);
break;
case nir_op_fddx_fine:
emit_percomp(FS_OPCODE_DDX_FINE, result, op[0],
instr->dest.write_mask, instr->dest.saturate);
break;
case nir_op_fddx_coarse:
emit_percomp(FS_OPCODE_DDX_COARSE, result, op[0],
instr->dest.write_mask, instr->dest.saturate);
break;
case nir_op_fddy:
if (fs_key->high_quality_derivatives)
emit_percomp(FS_OPCODE_DDY_FINE, result, op[0],
@@ -623,6 +631,16 @@ fs_visitor::nir_emit_alu(nir_alu_instr *instr)
fs_reg(fs_key->render_to_fbo),
instr->dest.write_mask, instr->dest.saturate);
break;
case nir_op_fddy_fine:
emit_percomp(FS_OPCODE_DDY_FINE, result, op[0],
fs_reg(fs_key->render_to_fbo),
instr->dest.write_mask, instr->dest.saturate);
break;
case nir_op_fddy_coarse:
emit_percomp(FS_OPCODE_DDY_COARSE, result, op[0],
fs_reg(fs_key->render_to_fbo),
instr->dest.write_mask, instr->dest.saturate);
break;
case nir_op_fadd:
case nir_op_iadd: {