[Mesa-dev] [PATCH 07/17] i965/fs: Move offset() and half() to the fs_builder
Francisco Jerez
currojerez at riseup.net
Wed Jun 24 06:28:55 PDT 2015
Jason Ekstrand <jason at jlekstrand.net> writes:
> On Jun 24, 2015 4:29 AM, "Francisco Jerez" <currojerez at riseup.net> wrote:
>>
>> Jason Ekstrand <jason at jlekstrand.net> writes:
>>
>> > On Tue, Jun 23, 2015 at 9:22 AM, Francisco Jerez <currojerez at riseup.net>
> wrote:
>> >> Jason Ekstrand <jason at jlekstrand.net> writes:
>> >>
>> >>> We want to move these into the builder so that they know the current
>> >>> builder's dispatch width. This will be needed by a later commit.
>> >>
>> >> I very much like the idea of this series, but, why do you need to move
>> >> these register manipulators into the builder? The builder is an object
>> >> you can use to:
>> >> - Manipulate and query parameters affecting code generation.
>> >> - Create instructions into the program (::emit and friends).
>> >> - Allocate virtual registers from the program (::vgrf and friends).
>> >>
>> >> offset() and half() logically perform an action on a given register
>> >> object (or rather, compute a function of a given register object), not
>> >> on a builder object, the builder is only required as an auxiliary
>> >> parameter -- Any reason you didn't just pass it as a third parameter?
>> >
>> > What's required as a third parameter is the current execution size. I
>> > could have passed that directly, but I figured that, especially for
>> > half(), it would get messed up. I could pass the builder in but I
>> > don't see a whole lot of difference between that and what I'm doing
>> > right now.
>>
>> Assembly-wise there's no difference, but it seems inconsistent with both
>> the remaining register manipulators and remaining builder methods, and
>> IMHO it's kind of an anti-pattern to make something a method that
>> doesn't need access to any internal details of the object.
>>
>> > As is, it's not entirely obvious whether you should call
>> > half(reg) on the half-width or full-width builder. I'm not 100% sure
>> > what to do about that.
>> >
>> Actually, does half() really need to know about the builder? AFAICT it
>> only needs it because of dispatch_width(), and before doing anything
>> useful with it it asserts that it's equal to 16, what points at the
>> parameter being redundant. By convention a "half" is a group of 8
>> channels (we may want to revise this convention when we implement SIMD32
>> -- E.g. make half a group of 16 channels and quarter a group of 8
>> channels), so 'half(reg)' could simply be implemented as
>> "horiz_offset(reg, 8 * i)" without any dependency on the builder. As
>> additional paranoia to catch half() being called on a non-16-aligned
>> register you could assert that either 'stride == 0' or 16 divides
>> '(REG_SIZE * reg_offset + subreg_offset) / (stride * type_size)' (why
>> don't we have a reg_offset already in bytes again?) -- That would also
>> catch cases in which the register and builder "widths" get out of sync,
>> e.g. if half is called in an already halved register but the builder
>> used happens to be of the correct exec_size.
>
> OK, fine, we can pull half() back out. Should offset() stay in the
> builder? If not, where should it get its dispatch width.
>
I'm for leaving it as a stand-alone function (like all other register
manipulators), and add a third argument to pass the 'fs_builder' it can
take the dispatch width from?
>> >> As offset() and half() don't require access to any private details of
>> >> the builder, that would actually improve encapsulation, and would avoid
>> >> the dubious overloading of fs_builder::half() with two methods with
>> >> completely different semantics.
>> >
>> > Yeah, I don't really like that either. I just couldn't come up with
>> > anything better at the time.
>> >
>> > Suggestions are very much welcome. But I would like to settle on
>> > whatever we do fairly quickly so as to limit the amount of
>> > refactoring.
>> > --Jason
>> >
>> >> Thanks.
>> >>
>> >>> ---
>> >>> src/mesa/drivers/dri/i965/brw_fs.cpp | 52 ++++++----
>> >>> src/mesa/drivers/dri/i965/brw_fs_builder.h | 46 +++++++++
>> >>> src/mesa/drivers/dri/i965/brw_fs_cse.cpp | 2 +-
>> >>> src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 60 +++++------
>> >>> src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 149
> ++++++++++++++-------------
>> >>> src/mesa/drivers/dri/i965/brw_ir_fs.h | 51 ---------
>> >>> 6 files changed, 182 insertions(+), 178 deletions(-)
>> >>>
>> >>> diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
> b/src/mesa/drivers/dri/i965/brw_fs.cpp
>> >>> index 4f98d63..c13ac7d 100644
>> >>> --- a/src/mesa/drivers/dri/i965/brw_fs.cpp
>> >>> +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
>> >>> @@ -267,7 +267,7 @@ fs_visitor::VARYING_PULL_CONSTANT_LOAD(const
> fs_builder &bld,
>> >>> inst->mlen = 1 + dispatch_width / 8;
>> >>> }
>> >>>
>> >>> - bld.MOV(dst, offset(vec4_result, (const_offset & 3) * scale));
>> >>> + bld.MOV(dst, bld.offset(vec4_result, (const_offset & 3) * scale));
>> >>> }
>> >>>
>> >>> /**
>> >>> @@ -361,7 +361,12 @@ fs_inst::is_copy_payload(const
> brw::simple_allocator &grf_alloc) const
>> >>> reg.width = this->src[i].width;
>> >>> if (!this->src[i].equals(reg))
>> >>> return false;
>> >>> - reg = ::offset(reg, 1);
>> >>> +
>> >>> + if (i < this->header_size) {
>> >>> + reg.reg_offset += 1;
>> >>> + } else {
>> >>> + reg.reg_offset += this->exec_size / 8;
>> >>> + }
>> >>> }
>> >>>
>> >>> return true;
>> >>> @@ -963,7 +968,7 @@ fs_visitor::emit_fragcoord_interpolation(bool
> pixel_center_integer,
>> >>> } else {
>> >>> bld.ADD(wpos, this->pixel_x, fs_reg(0.5f));
>> >>> }
>> >>> - wpos = offset(wpos, 1);
>> >>> + wpos = bld.offset(wpos, 1);
>> >>>
>> >>> /* gl_FragCoord.y */
>> >>> if (!flip && pixel_center_integer) {
>> >>> @@ -979,7 +984,7 @@ fs_visitor::emit_fragcoord_interpolation(bool
> pixel_center_integer,
>> >>>
>> >>> bld.ADD(wpos, pixel_y, fs_reg(offset));
>> >>> }
>> >>> - wpos = offset(wpos, 1);
>> >>> + wpos = bld.offset(wpos, 1);
>> >>>
>> >>> /* gl_FragCoord.z */
>> >>> if (devinfo->gen >= 6) {
>> >>> @@ -989,7 +994,7 @@ fs_visitor::emit_fragcoord_interpolation(bool
> pixel_center_integer,
>> >>> this->delta_xy[BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC],
>> >>> interp_reg(VARYING_SLOT_POS, 2));
>> >>> }
>> >>> - wpos = offset(wpos, 1);
>> >>> + wpos = bld.offset(wpos, 1);
>> >>>
>> >>> /* gl_FragCoord.w: Already set up in emit_interpolation */
>> >>> bld.MOV(wpos, this->wpos_w);
>> >>> @@ -1072,7 +1077,7 @@ fs_visitor::emit_general_interpolation(fs_reg
> attr, const char *name,
>> >>> /* If there's no incoming setup data for this slot, don't
>> >>> * emit interpolation for it.
>> >>> */
>> >>> - attr = offset(attr, type->vector_elements);
>> >>> + attr = bld.offset(attr, type->vector_elements);
>> >>> location++;
>> >>> continue;
>> >>> }
>> >>> @@ -1087,7 +1092,7 @@ fs_visitor::emit_general_interpolation(fs_reg
> attr, const char *name,
>> >>> interp = suboffset(interp, 3);
>> >>> interp.type = attr.type;
>> >>> bld.emit(FS_OPCODE_CINTERP, attr, fs_reg(interp));
>> >>> - attr = offset(attr, 1);
>> >>> + attr = bld.offset(attr, 1);
>> >>> }
>> >>> } else {
>> >>> /* Smooth/noperspective interpolation case. */
>> >>> @@ -1125,7 +1130,7 @@ fs_visitor::emit_general_interpolation(fs_reg
> attr, const char *name,
>> >>> if (devinfo->gen < 6 && interpolation_mode ==
> INTERP_QUALIFIER_SMOOTH) {
>> >>> bld.MUL(attr, attr, this->pixel_w);
>> >>> }
>> >>> - attr = offset(attr, 1);
>> >>> + attr = bld.offset(attr, 1);
>> >>> }
>> >>>
>> >>> }
>> >>> @@ -1227,19 +1232,19 @@ fs_visitor::emit_samplepos_setup()
>> >>> if (dispatch_width == 8) {
>> >>> abld.MOV(int_sample_x, fs_reg(sample_pos_reg));
>> >>> } else {
>> >>> - abld.half(0).MOV(half(int_sample_x, 0),
> fs_reg(sample_pos_reg));
>> >>> - abld.half(1).MOV(half(int_sample_x, 1),
>> >>> + abld.half(0).MOV(abld.half(int_sample_x, 0),
> fs_reg(sample_pos_reg));
>> >>> + abld.half(1).MOV(abld.half(int_sample_x, 1),
>> >>> fs_reg(suboffset(sample_pos_reg, 16)));
>> >>> }
>> >>> /* Compute gl_SamplePosition.x */
>> >>> compute_sample_position(pos, int_sample_x);
>> >>> - pos = offset(pos, 1);
>> >>> + pos = abld.offset(pos, 1);
>> >>> if (dispatch_width == 8) {
>> >>> abld.MOV(int_sample_y, fs_reg(suboffset(sample_pos_reg, 1)));
>> >>> } else {
>> >>> - abld.half(0).MOV(half(int_sample_y, 0),
>> >>> + abld.half(0).MOV(abld.half(int_sample_y, 0),
>> >>> fs_reg(suboffset(sample_pos_reg, 1)));
>> >>> - abld.half(1).MOV(half(int_sample_y, 1),
>> >>> + abld.half(1).MOV(abld.half(int_sample_y, 1),
>> >>> fs_reg(suboffset(sample_pos_reg, 17)));
>> >>> }
>> >>> /* Compute gl_SamplePosition.y */
>> >>> @@ -3018,10 +3023,6 @@ fs_visitor::lower_load_payload()
>> >>>
>> >>> assert(inst->dst.file == MRF || inst->dst.file == GRF);
>> >>> assert(inst->saturate == false);
>> >>> -
>> >>> - const fs_builder ibld = bld.group(inst->exec_size,
> inst->force_sechalf)
>> >>> - .exec_all(inst->force_writemask_all)
>> >>> - .at(block, inst);
>> >>> fs_reg dst = inst->dst;
>> >>>
>> >>> /* Get rid of COMPR4. We'll add it back in if we need it */
>> >>> @@ -3029,17 +3030,23 @@ fs_visitor::lower_load_payload()
>> >>> dst.reg = dst.reg & ~BRW_MRF_COMPR4;
>> >>>
>> >>> dst.width = 8;
>> >>> + const fs_builder hbld = bld.group(8, 0).exec_all().at(block,
> inst);
>> >>> +
>> >>> for (uint8_t i = 0; i < inst->header_size; i++) {
>> >>> if (inst->src[i].file != BAD_FILE) {
>> >>> fs_reg mov_dst = retype(dst, BRW_REGISTER_TYPE_UD);
>> >>> fs_reg mov_src = retype(inst->src[i],
> BRW_REGISTER_TYPE_UD);
>> >>> mov_src.width = 8;
>> >>> - ibld.exec_all().MOV(mov_dst, mov_src);
>> >>> + hbld.MOV(mov_dst, mov_src);
>> >>> }
>> >>> - dst = offset(dst, 1);
>> >>> + dst = hbld.offset(dst, 1);
>> >>> }
>> >>>
>> >>> dst.width = inst->exec_size;
>> >>> + const fs_builder ibld = bld.group(inst->exec_size,
> inst->force_sechalf)
>> >>> + .exec_all(inst->force_writemask_all)
>> >>> + .at(block, inst);
>> >>> +
>> >>> if (inst->dst.file == MRF && (inst->dst.reg & BRW_MRF_COMPR4)
> &&
>> >>> inst->exec_size > 8) {
>> >>> /* In this case, the payload portion of the LOAD_PAYLOAD
> isn't
>> >>> @@ -3070,8 +3077,9 @@ fs_visitor::lower_load_payload()
>> >>> /* Platform doesn't have COMPR4. We have to fake
> it */
>> >>> fs_reg mov_dst = retype(dst, inst->src[i].type);
>> >>> mov_dst.width = 8;
>> >>> - ibld.half(0).MOV(mov_dst, half(inst->src[i], 0));
>> >>> - ibld.half(1).MOV(offset(mov_dst, 4),
> half(inst->src[i], 1));
>> >>> + ibld.half(0).MOV(mov_dst, ibld.half(inst->src[i],
> 0));
>> >>> + mov_dst.reg += 4;
>> >>> + ibld.half(1).MOV(mov_dst, ibld.half(inst->src[i],
> 1));
>> >>> }
>> >>> }
>> >>>
>> >>> @@ -3096,7 +3104,7 @@ fs_visitor::lower_load_payload()
>> >>> for (uint8_t i = inst->header_size; i < inst->sources; i++) {
>> >>> if (inst->src[i].file != BAD_FILE)
>> >>> ibld.MOV(retype(dst, inst->src[i].type), inst->src[i]);
>> >>> - dst = offset(dst, 1);
>> >>> + dst = ibld.offset(dst, 1);
>> >>> }
>> >>>
>> >>> inst->remove(block);
>> >>> diff --git a/src/mesa/drivers/dri/i965/brw_fs_builder.h
> b/src/mesa/drivers/dri/i965/brw_fs_builder.h
>> >>> index 58ac598..594e252 100644
>> >>> --- a/src/mesa/drivers/dri/i965/brw_fs_builder.h
>> >>> +++ b/src/mesa/drivers/dri/i965/brw_fs_builder.h
>> >>> @@ -151,6 +151,52 @@ namespace brw {
>> >>> return _dispatch_width;
>> >>> }
>> >>>
>> >>> + src_reg
>> >>> + offset(src_reg reg, unsigned delta) const
>> >>> + {
>> >>> + switch (reg.file) {
>> >>> + case BAD_FILE:
>> >>> + break;
>> >>> + case GRF:
>> >>> + case MRF:
>> >>> + case ATTR:
>> >>> + return byte_offset(reg,
>> >>> + delta * MAX2(reg.width * reg.stride,
> 1) *
>> >>> + type_sz(reg.type));
>> >>> + case UNIFORM:
>> >>> + reg.reg_offset += delta;
>> >>> + break;
>> >>> + default:
>> >>> + assert(delta == 0);
>> >>> + }
>> >>> + return reg;
>> >>> + }
>> >>> +
>> >>> + fs_reg
>> >>> + half(fs_reg reg, unsigned idx) const
>> >>> + {
>> >>> + assert(idx < 2);
>> >>> +
>> >>> + switch (reg.file) {
>> >>> + case BAD_FILE:
>> >>> + case UNIFORM:
>> >>> + case IMM:
>> >>> + return reg;
>> >>> +
>> >>> + case GRF:
>> >>> + case MRF:
>> >>> + assert(reg.width == 16);
>> >>> + reg.width = 8;
>> >>> + return horiz_offset(reg, 8 * idx);
>> >>> +
>> >>> + case ATTR:
>> >>> + case HW_REG:
>> >>> + default:
>> >>> + unreachable("Cannot take half of this register type");
>> >>> + }
>> >>> + return reg;
>> >>> + }
>> >>> +
>> >>> /**
>> >>> * Allocate a virtual register of natural vector size (one for
> this IR)
>> >>> * and SIMD width. \p n gives the amount of space to allocate
> in
>> >>> diff --git a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
> b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
>> >>> index 70f0217..5ea66c5 100644
>> >>> --- a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
>> >>> +++ b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
>> >>> @@ -205,7 +205,7 @@ create_copy_instr(const fs_builder &bld, fs_inst
> *inst, fs_reg src, bool negate)
>> >>> }
>> >>> for (int i = header_size; i < sources; i++) {
>> >>> payload[i] = src;
>> >>> - src = offset(src, 1);
>> >>> + src = ubld.offset(src, 1);
>> >>> }
>> >>> copy = ubld.LOAD_PAYLOAD(inst->dst, payload, sources,
> header_size);
>> >>> } else {
>> >>> diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
> b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
>> >>> index 59081ea..0ede634 100644
>> >>> --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
>> >>> +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
>> >>> @@ -76,7 +76,7 @@ fs_visitor::nir_setup_inputs(nir_shader *shader)
>> >>> {
>> >>> foreach_list_typed(nir_variable, var, node, &shader->inputs) {
>> >>> enum brw_reg_type type = brw_type_for_base_type(var->type);
>> >>> - fs_reg input = offset(nir_inputs, var->data.driver_location);
>> >>> + fs_reg input = bld.offset(nir_inputs,
> var->data.driver_location);
>> >>>
>> >>> fs_reg reg;
>> >>> switch (stage) {
>> >>> @@ -95,8 +95,8 @@ fs_visitor::nir_setup_inputs(nir_shader *shader)
>> >>> unsigned array_length = var->type->is_array() ?
> var->type->length : 1;
>> >>> for (unsigned i = 0; i < array_length; i++) {
>> >>> for (unsigned j = 0; j < components; j++) {
>> >>> - bld.MOV(retype(offset(input, components * i + j),
> type),
>> >>> - offset(fs_reg(ATTR, var->data.location + i,
> type), j));
>> >>> + bld.MOV(retype(bld.offset(input, components * i + j),
> type),
>> >>> + bld.offset(fs_reg(ATTR, var->data.location +
> i, type), j));
>> >>> }
>> >>> }
>> >>> break;
>> >>> @@ -127,7 +127,7 @@ fs_visitor::nir_setup_outputs(nir_shader *shader)
>> >>> brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;
>> >>>
>> >>> foreach_list_typed(nir_variable, var, node, &shader->outputs) {
>> >>> - fs_reg reg = offset(nir_outputs, var->data.driver_location);
>> >>> + fs_reg reg = bld.offset(nir_outputs,
> var->data.driver_location);
>> >>>
>> >>> int vector_elements =
>> >>> var->type->is_array() ?
> var->type->fields.array->vector_elements
>> >>> @@ -136,7 +136,7 @@ fs_visitor::nir_setup_outputs(nir_shader *shader)
>> >>> if (stage == MESA_SHADER_VERTEX) {
>> >>> for (int i = 0; i < ALIGN(type_size(var->type), 4) / 4;
> i++) {
>> >>> int output = var->data.location + i;
>> >>> - this->outputs[output] = offset(reg, 4 * i);
>> >>> + this->outputs[output] = bld.offset(reg, 4 * i);
>> >>> this->output_components[output] = vector_elements;
>> >>> }
>> >>> } else if (var->data.index > 0) {
>> >>> @@ -162,7 +162,7 @@ fs_visitor::nir_setup_outputs(nir_shader *shader)
>> >>> /* General color output. */
>> >>> for (unsigned int i = 0; i < MAX2(1, var->type->length);
> i++) {
>> >>> int output = var->data.location - FRAG_RESULT_DATA0 + i;
>> >>> - this->outputs[output] = offset(reg, vector_elements * i);
>> >>> + this->outputs[output] = bld.offset(reg, vector_elements
> * i);
>> >>> this->output_components[output] = vector_elements;
>> >>> }
>> >>> }
>> >>> @@ -618,11 +618,11 @@ fs_visitor::nir_emit_alu(const fs_builder &bld,
> nir_alu_instr *instr)
>> >>> continue;
>> >>>
>> >>> if (instr->op == nir_op_imov || instr->op == nir_op_fmov) {
>> >>> - inst = bld.MOV(offset(temp, i),
>> >>> - offset(op[0], instr->src[0].swizzle[i]));
>> >>> + inst = bld.MOV(bld.offset(temp, i),
>> >>> + bld.offset(op[0],
> instr->src[0].swizzle[i]));
>> >>> } else {
>> >>> - inst = bld.MOV(offset(temp, i),
>> >>> - offset(op[i], instr->src[i].swizzle[0]));
>> >>> + inst = bld.MOV(bld.offset(temp, i),
>> >>> + bld.offset(op[i],
> instr->src[i].swizzle[0]));
>> >>> }
>> >>> inst->saturate = instr->dest.saturate;
>> >>> }
>> >>> @@ -636,7 +636,7 @@ fs_visitor::nir_emit_alu(const fs_builder &bld,
> nir_alu_instr *instr)
>> >>> if (!(instr->dest.write_mask & (1 << i)))
>> >>> continue;
>> >>>
>> >>> - bld.MOV(offset(result, i), offset(temp, i));
>> >>> + bld.MOV(bld.offset(result, i), bld.offset(temp, i));
>> >>> }
>> >>> }
>> >>> return;
>> >>> @@ -657,12 +657,12 @@ fs_visitor::nir_emit_alu(const fs_builder &bld,
> nir_alu_instr *instr)
>> >>> assert(_mesa_bitcount(instr->dest.write_mask) == 1);
>> >>> channel = ffs(instr->dest.write_mask) - 1;
>> >>>
>> >>> - result = offset(result, channel);
>> >>> + result = bld.offset(result, channel);
>> >>> }
>> >>>
>> >>> for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++)
> {
>> >>> assert(nir_op_infos[instr->op].input_sizes[i] < 2);
>> >>> - op[i] = offset(op[i], instr->src[i].swizzle[channel]);
>> >>> + op[i] = bld.offset(op[i], instr->src[i].swizzle[channel]);
>> >>> }
>> >>>
>> >>> switch (instr->op) {
>> >>> @@ -1156,7 +1156,7 @@ fs_reg_for_nir_reg(fs_visitor *v, nir_register
> *nir_reg,
>> >>> else
>> >>> reg = v->nir_locals[nir_reg->index];
>> >>>
>> >>> - reg = offset(reg, base_offset * nir_reg->num_components);
>> >>> + reg = v->bld.offset(reg, base_offset * nir_reg->num_components);
>> >>> if (indirect) {
>> >>> int multiplier = nir_reg->num_components * (v->dispatch_width
> / 8);
>> >>>
>> >>> @@ -1177,7 +1177,7 @@ fs_visitor::get_nir_src(nir_src src)
>> >>> fs_reg reg = bld.vgrf(BRW_REGISTER_TYPE_D,
> src.ssa->num_components);
>> >>>
>> >>> for (unsigned i = 0; i < src.ssa->num_components; ++i)
>> >>> - bld.MOV(offset(reg, i), fs_reg(load->value.i[i]));
>> >>> + bld.MOV(bld.offset(reg, i), fs_reg(load->value.i[i]));
>> >>>
>> >>> return reg;
>> >>> } else {
>> >>> @@ -1208,10 +1208,10 @@ fs_visitor::emit_percomp(const fs_builder
> &bld, const fs_inst &inst,
>> >>> continue;
>> >>>
>> >>> fs_inst *new_inst = new(mem_ctx) fs_inst(inst);
>> >>> - new_inst->dst = offset(new_inst->dst, i);
>> >>> + new_inst->dst = bld.offset(new_inst->dst, i);
>> >>> for (unsigned j = 0; j < new_inst->sources; j++)
>> >>> if (new_inst->src[j].file == GRF)
>> >>> - new_inst->src[j] = offset(new_inst->src[j], i);
>> >>> + new_inst->src[j] = bld.offset(new_inst->src[j], i);
>> >>>
>> >>> bld.emit(new_inst);
>> >>> }
>> >>> @@ -1322,7 +1322,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder
> &bld, nir_intrinsic_instr *instr
>> >>> assert(sample_pos.file != BAD_FILE);
>> >>> dest.type = sample_pos.type;
>> >>> bld.MOV(dest, sample_pos);
>> >>> - bld.MOV(offset(dest, 1), offset(sample_pos, 1));
>> >>> + bld.MOV(bld.offset(dest, 1), bld.offset(sample_pos, 1));
>> >>> break;
>> >>> }
>> >>>
>> >>> @@ -1349,13 +1349,13 @@ fs_visitor::nir_emit_intrinsic(const
> fs_builder &bld, nir_intrinsic_instr *instr
>> >>> }
>> >>>
>> >>> for (unsigned j = 0; j < instr->num_components; j++) {
>> >>> - fs_reg src = offset(retype(uniform_reg, dest.type), index);
>> >>> + fs_reg src = bld.offset(retype(uniform_reg, dest.type),
> index);
>> >>> if (has_indirect)
>> >>> src.reladdr = new(mem_ctx)
> fs_reg(get_nir_src(instr->src[0]));
>> >>> index++;
>> >>>
>> >>> bld.MOV(dest, src);
>> >>> - dest = offset(dest, 1);
>> >>> + dest = bld.offset(dest, 1);
>> >>> }
>> >>> break;
>> >>> }
>> >>> @@ -1397,7 +1397,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder
> &bld, nir_intrinsic_instr *instr
>> >>>
>> >>> unsigned vec4_offset = instr->const_index[0] / 4;
>> >>> for (int i = 0; i < instr->num_components; i++)
>> >>> - VARYING_PULL_CONSTANT_LOAD(bld, offset(dest, i),
> surf_index,
>> >>> + VARYING_PULL_CONSTANT_LOAD(bld, bld.offset(dest, i),
> surf_index,
>> >>> base_offset, vec4_offset + i);
>> >>> } else {
>> >>> fs_reg packed_consts = vgrf(glsl_type::float_type);
>> >>> @@ -1416,7 +1416,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder
> &bld, nir_intrinsic_instr *instr
>> >>> assert(packed_consts.subreg_offset < 32);
>> >>>
>> >>> bld.MOV(dest, packed_consts);
>> >>> - dest = offset(dest, 1);
>> >>> + dest = bld.offset(dest, 1);
>> >>> }
>> >>> }
>> >>> break;
>> >>> @@ -1428,14 +1428,14 @@ fs_visitor::nir_emit_intrinsic(const
> fs_builder &bld, nir_intrinsic_instr *instr
>> >>> case nir_intrinsic_load_input: {
>> >>> unsigned index = 0;
>> >>> for (unsigned j = 0; j < instr->num_components; j++) {
>> >>> - fs_reg src = offset(retype(nir_inputs, dest.type),
>> >>> + fs_reg src = bld.offset(retype(nir_inputs, dest.type),
>> >>> instr->const_index[0] + index);
>> >>> if (has_indirect)
>> >>> src.reladdr = new(mem_ctx)
> fs_reg(get_nir_src(instr->src[0]));
>> >>> index++;
>> >>>
>> >>> bld.MOV(dest, src);
>> >>> - dest = offset(dest, 1);
>> >>> + dest = bld.offset(dest, 1);
>> >>> }
>> >>> break;
>> >>> }
>> >>> @@ -1508,7 +1508,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder
> &bld, nir_intrinsic_instr *instr
>> >>> BRW_REGISTER_TYPE_F);
>> >>> for (int i = 0; i < 2; i++) {
>> >>> fs_reg temp = vgrf(glsl_type::float_type);
>> >>> - bld.MUL(temp, offset(offset_src, i), fs_reg(16.0f));
>> >>> + bld.MUL(temp, bld.offset(offset_src, i),
> fs_reg(16.0f));
>> >>> fs_reg itemp = vgrf(glsl_type::int_type);
>> >>> bld.MOV(itemp, temp); /* float to int */
>> >>>
>> >>> @@ -1528,7 +1528,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder
> &bld, nir_intrinsic_instr *instr
>> >>> * FRAGMENT_INTERPOLATION_OFFSET_BITS"
>> >>> */
>> >>> set_condmod(BRW_CONDITIONAL_L,
>> >>> - bld.SEL(offset(src, i), itemp,
> fs_reg(7)));
>> >>> + bld.SEL(bld.offset(src, i), itemp,
> fs_reg(7)));
>> >>> }
>> >>>
>> >>> mlen = 2;
>> >>> @@ -1552,7 +1552,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder
> &bld, nir_intrinsic_instr *instr
>> >>> src.type = dest.type;
>> >>>
>> >>> bld.emit(FS_OPCODE_LINTERP, dest, dst_xy, src);
>> >>> - dest = offset(dest, 1);
>> >>> + dest = bld.offset(dest, 1);
>> >>> }
>> >>> break;
>> >>> }
>> >>> @@ -1564,13 +1564,13 @@ fs_visitor::nir_emit_intrinsic(const
> fs_builder &bld, nir_intrinsic_instr *instr
>> >>> fs_reg src = get_nir_src(instr->src[0]);
>> >>> unsigned index = 0;
>> >>> for (unsigned j = 0; j < instr->num_components; j++) {
>> >>> - fs_reg new_dest = offset(retype(nir_outputs, src.type),
>> >>> - instr->const_index[0] + index);
>> >>> + fs_reg new_dest = bld.offset(retype(nir_outputs, src.type),
>> >>> + instr->const_index[0] + index);
>> >>> if (has_indirect)
>> >>> src.reladdr = new(mem_ctx)
> fs_reg(get_nir_src(instr->src[1]));
>> >>> index++;
>> >>> bld.MOV(new_dest, src);
>> >>> - src = offset(src, 1);
>> >>> + src = bld.offset(src, 1);
>> >>> }
>> >>> break;
>> >>> }
>> >>> diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
> b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
>> >>> index 8a43ec8..68cd454 100644
>> >>> --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
>> >>> +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
>> >>> @@ -95,7 +95,7 @@ fs_visitor::emit_texture_gen4(ir_texture_opcode op,
> fs_reg dst,
>> >>> if (shadow_c.file != BAD_FILE) {
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(fs_reg(MRF, base_mrf + mlen + i), coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>>
>> >>> /* gen4's SIMD8 sampler always has the slots for u,v,r present.
>> >>> @@ -124,7 +124,7 @@ fs_visitor::emit_texture_gen4(ir_texture_opcode
> op, fs_reg dst,
>> >>> } else if (op == ir_tex) {
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(fs_reg(MRF, base_mrf + mlen + i), coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>> /* zero the others. */
>> >>> for (int i = coord_components; i<3; i++) {
>> >>> @@ -137,7 +137,7 @@ fs_visitor::emit_texture_gen4(ir_texture_opcode
> op, fs_reg dst,
>> >>>
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(fs_reg(MRF, base_mrf + mlen + i), coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>> /* the slots for u and v are always present, but r is optional
> */
>> >>> mlen += MAX2(coord_components, 2);
>> >>> @@ -158,13 +158,13 @@ fs_visitor::emit_texture_gen4(ir_texture_opcode
> op, fs_reg dst,
>> >>> */
>> >>> for (int i = 0; i < grad_components; i++) {
>> >>> bld.MOV(fs_reg(MRF, base_mrf + mlen), dPdx);
>> >>> - dPdx = offset(dPdx, 1);
>> >>> + dPdx = bld.offset(dPdx, 1);
>> >>> }
>> >>> mlen += MAX2(grad_components, 2);
>> >>>
>> >>> for (int i = 0; i < grad_components; i++) {
>> >>> bld.MOV(fs_reg(MRF, base_mrf + mlen), dPdy);
>> >>> - dPdy = offset(dPdy, 1);
>> >>> + dPdy = bld.offset(dPdy, 1);
>> >>> }
>> >>> mlen += MAX2(grad_components, 2);
>> >>> } else if (op == ir_txs) {
>> >>> @@ -182,7 +182,7 @@ fs_visitor::emit_texture_gen4(ir_texture_opcode
> op, fs_reg dst,
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(fs_reg(MRF, base_mrf + mlen + i * 2,
> coordinate.type),
>> >>> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>>
>> >>> /* Initialize the rest of u/v/r with 0.0. Empirically, this
> seems to
>> >>> @@ -232,8 +232,8 @@ fs_visitor::emit_texture_gen4(ir_texture_opcode
> op, fs_reg dst,
>> >>> if (simd16) {
>> >>> for (int i = 0; i < 4; i++) {
>> >>> bld.MOV(orig_dst, dst);
>> >>> - orig_dst = offset(orig_dst, 1);
>> >>> - dst = offset(dst, 2);
>> >>> + orig_dst = bld.offset(orig_dst, 1);
>> >>> + dst = bld.offset(dst, 2);
>> >>> }
>> >>> }
>> >>>
>> >>> @@ -257,30 +257,30 @@
> fs_visitor::emit_texture_gen4_simd16(ir_texture_opcode op, fs_reg dst,
>> >>>
>> >>> /* Copy the coordinates. */
>> >>> for (int i = 0; i < vector_elements; i++) {
>> >>> - bld.MOV(retype(offset(message, i), coordinate.type),
> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + bld.MOV(retype(bld.offset(message, i), coordinate.type),
> coordinate);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>>
>> >>> - fs_reg msg_end = offset(message, vector_elements);
>> >>> + fs_reg msg_end = bld.offset(message, vector_elements);
>> >>>
>> >>> /* Messages other than sample and ld require all three components
> */
>> >>> if (has_lod || shadow_c.file != BAD_FILE) {
>> >>> for (int i = vector_elements; i < 3; i++) {
>> >>> - bld.MOV(offset(message, i), fs_reg(0.0f));
>> >>> + bld.MOV(bld.offset(message, i), fs_reg(0.0f));
>> >>> }
>> >>> }
>> >>>
>> >>> if (has_lod) {
>> >>> - fs_reg msg_lod = retype(offset(message, 3), op == ir_txf ?
>> >>> + fs_reg msg_lod = retype(bld.offset(message, 3), op == ir_txf ?
>> >>> BRW_REGISTER_TYPE_UD :
> BRW_REGISTER_TYPE_F);
>> >>> bld.MOV(msg_lod, lod);
>> >>> - msg_end = offset(msg_lod, 1);
>> >>> + msg_end = bld.offset(msg_lod, 1);
>> >>> }
>> >>>
>> >>> if (shadow_c.file != BAD_FILE) {
>> >>> - fs_reg msg_ref = offset(message, 3 + has_lod);
>> >>> + fs_reg msg_ref = bld.offset(message, 3 + has_lod);
>> >>> bld.MOV(msg_ref, shadow_c);
>> >>> - msg_end = offset(msg_ref, 1);
>> >>> + msg_end = bld.offset(msg_ref, 1);
>> >>> }
>> >>>
>> >>> enum opcode opcode;
>> >>> @@ -334,16 +334,16 @@ fs_visitor::emit_texture_gen5(ir_texture_opcode
> op, fs_reg dst,
>> >>> }
>> >>>
>> >>> for (int i = 0; i < vector_elements; i++) {
>> >>> - bld.MOV(retype(offset(msg_coords, i), coordinate.type),
> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + bld.MOV(retype(bld.offset(msg_coords, i), coordinate.type),
> coordinate);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>> - fs_reg msg_end = offset(msg_coords, vector_elements);
>> >>> - fs_reg msg_lod = offset(msg_coords, 4);
>> >>> + fs_reg msg_end = bld.offset(msg_coords, vector_elements);
>> >>> + fs_reg msg_lod = bld.offset(msg_coords, 4);
>> >>>
>> >>> if (shadow_c.file != BAD_FILE) {
>> >>> fs_reg msg_shadow = msg_lod;
>> >>> bld.MOV(msg_shadow, shadow_c);
>> >>> - msg_lod = offset(msg_shadow, 1);
>> >>> + msg_lod = bld.offset(msg_shadow, 1);
>> >>> msg_end = msg_lod;
>> >>> }
>> >>>
>> >>> @@ -354,13 +354,13 @@ fs_visitor::emit_texture_gen5(ir_texture_opcode
> op, fs_reg dst,
>> >>> break;
>> >>> case ir_txb:
>> >>> bld.MOV(msg_lod, lod);
>> >>> - msg_end = offset(msg_lod, 1);
>> >>> + msg_end = bld.offset(msg_lod, 1);
>> >>>
>> >>> opcode = FS_OPCODE_TXB;
>> >>> break;
>> >>> case ir_txl:
>> >>> bld.MOV(msg_lod, lod);
>> >>> - msg_end = offset(msg_lod, 1);
>> >>> + msg_end = bld.offset(msg_lod, 1);
>> >>>
>> >>> opcode = SHADER_OPCODE_TXL;
>> >>> break;
>> >>> @@ -377,12 +377,12 @@ fs_visitor::emit_texture_gen5(ir_texture_opcode
> op, fs_reg dst,
>> >>> msg_end = msg_lod;
>> >>> for (int i = 0; i < grad_components; i++) {
>> >>> bld.MOV(msg_end, lod);
>> >>> - lod = offset(lod, 1);
>> >>> - msg_end = offset(msg_end, 1);
>> >>> + lod = bld.offset(lod, 1);
>> >>> + msg_end = bld.offset(msg_end, 1);
>> >>>
>> >>> bld.MOV(msg_end, lod2);
>> >>> - lod2 = offset(lod2, 1);
>> >>> - msg_end = offset(msg_end, 1);
>> >>> + lod2 = bld.offset(lod2, 1);
>> >>> + msg_end = bld.offset(msg_end, 1);
>> >>> }
>> >>>
>> >>> opcode = SHADER_OPCODE_TXD;
>> >>> @@ -391,31 +391,31 @@ fs_visitor::emit_texture_gen5(ir_texture_opcode
> op, fs_reg dst,
>> >>> case ir_txs:
>> >>> msg_lod = retype(msg_end, BRW_REGISTER_TYPE_UD);
>> >>> bld.MOV(msg_lod, lod);
>> >>> - msg_end = offset(msg_lod, 1);
>> >>> + msg_end = bld.offset(msg_lod, 1);
>> >>>
>> >>> opcode = SHADER_OPCODE_TXS;
>> >>> break;
>> >>> case ir_query_levels:
>> >>> msg_lod = msg_end;
>> >>> bld.MOV(retype(msg_lod, BRW_REGISTER_TYPE_UD), fs_reg(0u));
>> >>> - msg_end = offset(msg_lod, 1);
>> >>> + msg_end = bld.offset(msg_lod, 1);
>> >>>
>> >>> opcode = SHADER_OPCODE_TXS;
>> >>> break;
>> >>> case ir_txf:
>> >>> - msg_lod = offset(msg_coords, 3);
>> >>> + msg_lod = bld.offset(msg_coords, 3);
>> >>> bld.MOV(retype(msg_lod, BRW_REGISTER_TYPE_UD), lod);
>> >>> - msg_end = offset(msg_lod, 1);
>> >>> + msg_end = bld.offset(msg_lod, 1);
>> >>>
>> >>> opcode = SHADER_OPCODE_TXF;
>> >>> break;
>> >>> case ir_txf_ms:
>> >>> - msg_lod = offset(msg_coords, 3);
>> >>> + msg_lod = bld.offset(msg_coords, 3);
>> >>> /* lod */
>> >>> bld.MOV(retype(msg_lod, BRW_REGISTER_TYPE_UD), fs_reg(0u));
>> >>> /* sample index */
>> >>> - bld.MOV(retype(offset(msg_lod, 1), BRW_REGISTER_TYPE_UD),
> sample_index);
>> >>> - msg_end = offset(msg_lod, 2);
>> >>> + bld.MOV(retype(bld.offset(msg_lod, 1), BRW_REGISTER_TYPE_UD),
> sample_index);
>> >>> + msg_end = bld.offset(msg_lod, 2);
>> >>>
>> >>> opcode = SHADER_OPCODE_TXF_CMS;
>> >>> break;
>> >>> @@ -525,7 +525,7 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>> */
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(sources[length], coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>>
>> >>> /* For cube map array, the coordinate is (u,v,r,ai) but
> there are
>> >>> @@ -533,11 +533,11 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>> */
>> >>> if (i < grad_components) {
>> >>> bld.MOV(sources[length], lod);
>> >>> - lod = offset(lod, 1);
>> >>> + lod = bld.offset(lod, 1);
>> >>> length++;
>> >>>
>> >>> bld.MOV(sources[length], lod2);
>> >>> - lod2 = offset(lod2, 1);
>> >>> + lod2 = bld.offset(lod2, 1);
>> >>> length++;
>> >>> }
>> >>> }
>> >>> @@ -559,13 +559,13 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>> */
>> >>>
>> >>> bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D),
> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>>
>> >>> if (devinfo->gen >= 9) {
>> >>> if (coord_components >= 2) {
>> >>> bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D),
> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>> length++;
>> >>> }
>> >>> @@ -575,7 +575,7 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>>
>> >>> for (int i = devinfo->gen >= 9 ? 2 : 1; i < coord_components;
> i++) {
>> >>> bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D),
> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>> }
>> >>>
>> >>> @@ -594,7 +594,7 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>> */
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D),
> coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>> }
>> >>>
>> >>> @@ -608,19 +608,19 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>> /* More crazy intermixing */
>> >>> for (int i = 0; i < 2; i++) { /* u, v */
>> >>> bld.MOV(sources[length], coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>> }
>> >>>
>> >>> for (int i = 0; i < 2; i++) { /* offu, offv */
>> >>> bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_D),
> offset_value);
>> >>> - offset_value = offset(offset_value, 1);
>> >>> + offset_value = bld.offset(offset_value, 1);
>> >>> length++;
>> >>> }
>> >>>
>> >>> if (coord_components == 3) { /* r if present */
>> >>> bld.MOV(sources[length], coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>> }
>> >>>
>> >>> @@ -633,7 +633,7 @@ fs_visitor::emit_texture_gen7(ir_texture_opcode
> op, fs_reg dst,
>> >>> if (!coordinate_done) {
>> >>> for (int i = 0; i < coord_components; i++) {
>> >>> bld.MOV(sources[length], coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> length++;
>> >>> }
>> >>> }
>> >>> @@ -746,8 +746,8 @@ fs_visitor::rescale_texcoord(fs_reg coordinate,
> int coord_components,
>> >>> coordinate = dst;
>> >>>
>> >>> bld.MUL(dst, src, scale_x);
>> >>> - dst = offset(dst, 1);
>> >>> - src = offset(src, 1);
>> >>> + dst = bld.offset(dst, 1);
>> >>> + src = bld.offset(src, 1);
>> >>> bld.MUL(dst, src, scale_y);
>> >>> } else if (is_rect) {
>> >>> /* On gen6+, the sampler handles the rectangle coordinates
>> >>> @@ -760,7 +760,7 @@ fs_visitor::rescale_texcoord(fs_reg coordinate,
> int coord_components,
>> >>> for (int i = 0; i < 2; i++) {
>> >>> if (key_tex->gl_clamp_mask[i] & (1 << sampler)) {
>> >>> fs_reg chan = coordinate;
>> >>> - chan = offset(chan, i);
>> >>> + chan = bld.offset(chan, i);
>> >>>
>> >>> set_condmod(BRW_CONDITIONAL_GE,
>> >>> bld.emit(BRW_OPCODE_SEL, chan, chan,
> fs_reg(0.0f)));
>> >>> @@ -785,7 +785,7 @@ fs_visitor::rescale_texcoord(fs_reg coordinate,
> int coord_components,
>> >>> for (int i = 0; i < MIN2(coord_components, 3); i++) {
>> >>> if (key_tex->gl_clamp_mask[i] & (1 << sampler)) {
>> >>> fs_reg chan = coordinate;
>> >>> - chan = offset(chan, i);
>> >>> + chan = bld.offset(chan, i);
>> >>> set_saturate(true, bld.MOV(chan, chan));
>> >>> }
>> >>> }
>> >>> @@ -807,7 +807,7 @@ fs_visitor::emit_mcs_fetch(fs_reg coordinate, int
> components, fs_reg sampler)
>> >>> for (int i = 0; i < components; i++) {
>> >>> sources[i] = vgrf(glsl_type::float_type);
>> >>> bld.MOV(retype(sources[i], BRW_REGISTER_TYPE_D), coordinate);
>> >>> - coordinate = offset(coordinate, 1);
>> >>> + coordinate = bld.offset(coordinate, 1);
>> >>> }
>> >>>
>> >>> bld.LOAD_PAYLOAD(payload, sources, components, 0);
>> >>> @@ -853,7 +853,7 @@ fs_visitor::emit_texture(ir_texture_opcode op,
>> >>>
>> >>> for (int i=0; i<4; i++) {
>> >>> bld.MOV(res, fs_reg(swiz == SWIZZLE_ZERO ? 0.0f : 1.0f));
>> >>> - res = offset(res, 1);
>> >>> + res = bld.offset(res, 1);
>> >>> }
>> >>> return;
>> >>> }
>> >>> @@ -907,7 +907,7 @@ fs_visitor::emit_texture(ir_texture_opcode op,
>> >>>
>> >>> /* fixup #layers for cube map arrays */
>> >>> if (op == ir_txs && is_cube_array) {
>> >>> - fs_reg depth = offset(dst, 2);
>> >>> + fs_reg depth = bld.offset(dst, 2);
>> >>> fs_reg fixed_depth = vgrf(glsl_type::int_type);
>> >>> bld.emit(SHADER_OPCODE_INT_QUOTIENT, fixed_depth, depth,
> fs_reg(6));
>> >>>
>> >>> @@ -917,7 +917,7 @@ fs_visitor::emit_texture(ir_texture_opcode op,
>> >>> if (i == 2) {
>> >>> fixed_payload[i] = fixed_depth;
>> >>> } else {
>> >>> - fixed_payload[i] = offset(dst, i);
>> >>> + fixed_payload[i] = bld.offset(dst, i);
>> >>> }
>> >>> }
>> >>> bld.LOAD_PAYLOAD(dst, fixed_payload, components, 0);
>> >>> @@ -952,7 +952,7 @@ fs_visitor::emit_gen6_gather_wa(uint8_t wa,
> fs_reg dst)
>> >>> bld.ASR(dst, dst, fs_reg(32 - width));
>> >>> }
>> >>>
>> >>> - dst = offset(dst, 1);
>> >>> + dst = bld.offset(dst, 1);
>> >>> }
>> >>> }
>> >>>
>> >>> @@ -989,7 +989,7 @@ fs_visitor::swizzle_result(ir_texture_opcode op,
> int dest_components,
>> >>> {
>> >>> if (op == ir_query_levels) {
>> >>> /* # levels is in .w */
>> >>> - this->result = offset(orig_val, 3);
>> >>> + this->result = bld.offset(orig_val, 3);
>> >>> return;
>> >>> }
>> >>>
>> >>> @@ -1010,15 +1010,15 @@ fs_visitor::swizzle_result(ir_texture_opcode
> op, int dest_components,
>> >>> for (int i = 0; i < 4; i++) {
>> >>> int swiz = GET_SWZ(key_tex->swizzles[sampler], i);
>> >>> fs_reg l = swizzled_result;
>> >>> - l = offset(l, i);
>> >>> + l = bld.offset(l, i);
>> >>>
>> >>> if (swiz == SWIZZLE_ZERO) {
>> >>> bld.MOV(l, fs_reg(0.0f));
>> >>> } else if (swiz == SWIZZLE_ONE) {
>> >>> bld.MOV(l, fs_reg(1.0f));
>> >>> } else {
>> >>> - bld.MOV(l, offset(orig_val,
>> >>> - GET_SWZ(key_tex->swizzles[sampler],
> i)));
>> >>> + bld.MOV(l, bld.offset(orig_val,
>> >>> +
> GET_SWZ(key_tex->swizzles[sampler], i)));
>> >>> }
>> >>> }
>> >>> this->result = swizzled_result;
>> >>> @@ -1315,14 +1315,14 @@ fs_visitor::emit_interpolation_setup_gen4()
>> >>>
>> >>> if (devinfo->has_pln && dispatch_width == 16) {
>> >>> for (unsigned i = 0; i < 2; i++) {
>> >>> - abld.half(i).ADD(half(offset(delta_xy, i), 0),
>> >>> - half(this->pixel_x, i), xstart);
>> >>> - abld.half(i).ADD(half(offset(delta_xy, i), 1),
>> >>> - half(this->pixel_y, i), ystart);
>> >>> + abld.half(i).ADD(abld.half(abld.offset(delta_xy, i), 0),
>> >>> + abld.half(this->pixel_x, i), xstart);
>> >>> + abld.half(i).ADD(abld.half(abld.offset(delta_xy, i), 1),
>> >>> + abld.half(this->pixel_y, i), ystart);
>> >>> }
>> >>> } else {
>> >>> - abld.ADD(offset(delta_xy, 0), this->pixel_x, xstart);
>> >>> - abld.ADD(offset(delta_xy, 1), this->pixel_y, ystart);
>> >>> + abld.ADD(abld.offset(delta_xy, 0), this->pixel_x, xstart);
>> >>> + abld.ADD(abld.offset(delta_xy, 1), this->pixel_y, ystart);
>> >>> }
>> >>>
>> >>> abld = bld.annotate("compute pos.w and 1/pos.w");
>> >>> @@ -1419,7 +1419,7 @@ fs_visitor::setup_color_payload(fs_reg *dst,
> fs_reg color, unsigned components,
>> >>> fs_reg tmp = vgrf(glsl_type::vec4_type);
>> >>> assert(color.type == BRW_REGISTER_TYPE_F);
>> >>> for (unsigned i = 0; i < components; i++) {
>> >>> - inst = bld.MOV(offset(tmp, i), offset(color, i));
>> >>> + inst = bld.MOV(bld.offset(tmp, i), bld.offset(color, i));
>> >>> inst->saturate = true;
>> >>> }
>> >>> color = tmp;
>> >>> @@ -1428,10 +1428,10 @@ fs_visitor::setup_color_payload(fs_reg *dst,
> fs_reg color, unsigned components,
>> >>> if (exec_size < dispatch_width) {
>> >>> unsigned half_idx = use_2nd_half ? 1 : 0;
>> >>> for (unsigned i = 0; i < components; i++)
>> >>> - dst[i] = half(offset(color, i), half_idx);
>> >>> + dst[i] = bld.half(bld.offset(color, i), half_idx);
>> >>> } else {
>> >>> for (unsigned i = 0; i < components; i++)
>> >>> - dst[i] = offset(color, i);
>> >>> + dst[i] = bld.offset(color, i);
>> >>> }
>> >>> }
>> >>>
>> >>> @@ -1479,7 +1479,7 @@ fs_visitor::emit_alpha_test()
>> >>> BRW_CONDITIONAL_NEQ);
>> >>> } else {
>> >>> /* RT0 alpha */
>> >>> - fs_reg color = offset(outputs[0], 3);
>> >>> + fs_reg color = bld.offset(outputs[0], 3);
>> >>>
>> >>> /* f0.1 &= func(color, ref) */
>> >>> cmp = abld.CMP(bld.null_reg_f(), color,
> fs_reg(key->alpha_test_ref),
>> >>> @@ -1556,7 +1556,8 @@ fs_visitor::emit_single_fb_write(const
> fs_builder &bld,
>> >>> * alpha-testing, alpha-to-coverage, and so on.
>> >>> */
>> >>> if (this->outputs[0].file != BAD_FILE)
>> >>> - setup_color_payload(&sources[length + 3],
> offset(this->outputs[0], 3),
>> >>> + setup_color_payload(&sources[length + 3],
>> >>> + bld.offset(this->outputs[0], 3),
>> >>> 1, exec_size, false);
>> >>> length += 4;
>> >>> } else if (color1.file == BAD_FILE) {
>> >>> @@ -1591,7 +1592,7 @@ fs_visitor::emit_single_fb_write(const
> fs_builder &bld,
>> >>> /* Hand over gl_FragDepth. */
>> >>> assert(this->frag_depth.file != BAD_FILE);
>> >>> if (exec_size < dispatch_width) {
>> >>> - sources[length] = half(this->frag_depth, use_2nd_half);
>> >>> + sources[length] = bld.half(this->frag_depth,
> use_2nd_half);
>> >>> } else {
>> >>> sources[length] = this->frag_depth;
>> >>> }
>> >>> @@ -1692,7 +1693,7 @@ fs_visitor::emit_fb_writes()
>> >>>
>> >>> fs_reg src0_alpha;
>> >>> if (devinfo->gen >= 6 && key->replicate_alpha && target !=
> 0)
>> >>> - src0_alpha = offset(outputs[0], 3);
>> >>> + src0_alpha = bld.offset(outputs[0], 3);
>> >>>
>> >>> inst = emit_single_fb_write(abld, this->outputs[target],
> reg_undef,
>> >>> src0_alpha,
>> >>> @@ -1776,7 +1777,7 @@ void fs_visitor::compute_clip_distance()
>> >>> abld.MUL(output, outputs[clip_vertex], u);
>> >>> for (int j = 1; j < 4; j++) {
>> >>> u.reg = userplane[i].reg + j;
>> >>> - abld.MAD(output, output, offset(outputs[clip_vertex], j),
> u);
>> >>> + abld.MAD(output, output, bld.offset(outputs[clip_vertex],
> j), u);
>> >>> }
>> >>> }
>> >>> }
>> >>> @@ -1890,13 +1891,13 @@ fs_visitor::emit_urb_writes()
>> >>> */
>> >>> for (int i = 0; i < 4; i++) {
>> >>> reg = fs_reg(GRF, alloc.allocate(1),
> outputs[varying].type);
>> >>> - src = offset(this->outputs[varying], i);
>> >>> + src = bld.offset(this->outputs[varying], i);
>> >>> set_saturate(true, bld.MOV(reg, src));
>> >>> sources[length++] = reg;
>> >>> }
>> >>> } else {
>> >>> for (int i = 0; i < 4; i++)
>> >>> - sources[length++] = offset(this->outputs[varying], i);
>> >>> + sources[length++] =
> bld.offset(this->outputs[varying], i);
>> >>> }
>> >>> break;
>> >>> }
>> >>> diff --git a/src/mesa/drivers/dri/i965/brw_ir_fs.h
> b/src/mesa/drivers/dri/i965/brw_ir_fs.h
>> >>> index 96dc20d..10033ca 100644
>> >>> --- a/src/mesa/drivers/dri/i965/brw_ir_fs.h
>> >>> +++ b/src/mesa/drivers/dri/i965/brw_ir_fs.h
>> >>> @@ -129,27 +129,6 @@ horiz_offset(fs_reg reg, unsigned delta)
>> >>> }
>> >>>
>> >>> static inline fs_reg
>> >>> -offset(fs_reg reg, unsigned delta)
>> >>> -{
>> >>> - switch (reg.file) {
>> >>> - case BAD_FILE:
>> >>> - break;
>> >>> - case GRF:
>> >>> - case MRF:
>> >>> - case ATTR:
>> >>> - return byte_offset(reg,
>> >>> - delta * MAX2(reg.width * reg.stride, 1) *
>> >>> - type_sz(reg.type));
>> >>> - case UNIFORM:
>> >>> - reg.reg_offset += delta;
>> >>> - break;
>> >>> - default:
>> >>> - assert(delta == 0);
>> >>> - }
>> >>> - return reg;
>> >>> -}
>> >>> -
>> >>> -static inline fs_reg
>> >>> component(fs_reg reg, unsigned idx)
>> >>> {
>> >>> assert(reg.subreg_offset == 0);
>> >>> @@ -167,36 +146,6 @@ is_uniform(const fs_reg ®)
>> >>> (!reg.reladdr || is_uniform(*reg.reladdr));
>> >>> }
>> >>>
>> >>> -/**
>> >>> - * Get either of the 8-component halves of a 16-component register.
>> >>> - *
>> >>> - * Note: this also works if \c reg represents a SIMD16 pair of
> registers.
>> >>> - */
>> >>> -static inline fs_reg
>> >>> -half(fs_reg reg, unsigned idx)
>> >>> -{
>> >>> - assert(idx < 2);
>> >>> -
>> >>> - switch (reg.file) {
>> >>> - case BAD_FILE:
>> >>> - case UNIFORM:
>> >>> - case IMM:
>> >>> - return reg;
>> >>> -
>> >>> - case GRF:
>> >>> - case MRF:
>> >>> - assert(reg.width == 16);
>> >>> - reg.width = 8;
>> >>> - return horiz_offset(reg, 8 * idx);
>> >>> -
>> >>> - case ATTR:
>> >>> - case HW_REG:
>> >>> - default:
>> >>> - unreachable("Cannot take half of this register type");
>> >>> - }
>> >>> - return reg;
>> >>> -}
>> >>> -
>> >>> static const fs_reg reg_undef;
>> >>>
>> >>> class fs_inst : public backend_instruction {
>> >>> --
>> >>> 2.4.3
>> >>>
>> >>> _______________________________________________
>> >>> mesa-dev mailing list
>> >>> mesa-dev at lists.freedesktop.org
>> >>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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