i965/vec4: Send from GRF in atomic operations.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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3b37155a68
commit
cf3121ed18
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@ -1183,24 +1183,27 @@ vec4_visitor::gs_end_primitive()
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void
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vec4_visitor::emit_untyped_atomic(unsigned atomic_op, unsigned surf_index,
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dst_reg dst, src_reg offset,
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dst_reg dst, src_reg surf_offset,
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src_reg src0, src_reg src1)
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{
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unsigned mlen = 0;
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unsigned mlen = 1 + (src0.file != BAD_FILE) + (src1.file != BAD_FILE);
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src_reg src_payload(this, glsl_type::uint_type, mlen);
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dst_reg payload(src_payload);
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payload.writemask = WRITEMASK_X;
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/* Set the atomic operation offset. */
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emit(MOV(brw_writemask(brw_uvec_mrf(8, mlen, 0), WRITEMASK_X), offset));
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mlen++;
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emit(MOV(offset(payload, 0), surf_offset));
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unsigned i = 1;
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/* Set the atomic operation arguments. */
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if (src0.file != BAD_FILE) {
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emit(MOV(brw_writemask(brw_uvec_mrf(8, mlen, 0), WRITEMASK_X), src0));
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mlen++;
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emit(MOV(offset(payload, i), src0));
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i++;
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}
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if (src1.file != BAD_FILE) {
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emit(MOV(brw_writemask(brw_uvec_mrf(8, mlen, 0), WRITEMASK_X), src1));
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mlen++;
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emit(MOV(offset(payload, i), src1));
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i++;
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}
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/* Emit the instruction. Note that this maps to the normal SIMD8
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@ -1208,24 +1211,27 @@ vec4_visitor::emit_untyped_atomic(unsigned atomic_op, unsigned surf_index,
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* unused channels will be masked out.
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*/
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vec4_instruction *inst = emit(SHADER_OPCODE_UNTYPED_ATOMIC, dst,
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brw_message_reg(0),
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src_payload,
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src_reg(surf_index), src_reg(atomic_op));
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inst->mlen = mlen;
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}
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void
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vec4_visitor::emit_untyped_surface_read(unsigned surf_index, dst_reg dst,
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src_reg offset)
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src_reg surf_offset)
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{
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dst_reg offset(this, glsl_type::uint_type);
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offset.writemask = WRITEMASK_X;
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/* Set the surface read offset. */
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emit(MOV(brw_writemask(brw_uvec_mrf(8, 0, 0), WRITEMASK_X), offset));
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emit(MOV(offset, surf_offset));
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/* Emit the instruction. Note that this maps to the normal SIMD8
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* untyped surface read message, but that's OK because unused
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* channels will be masked out.
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*/
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vec4_instruction *inst = emit(SHADER_OPCODE_UNTYPED_SURFACE_READ, dst,
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brw_message_reg(0),
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src_reg(offset),
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src_reg(surf_index), src_reg(1));
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inst->mlen = 1;
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}
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