fs_generator::fs_generator(const struct brw_compiler *compiler, void *log_data,
void *mem_ctx,
- const void *key,
struct brw_stage_prog_data *prog_data,
unsigned promoted_constants,
bool runtime_check_aads_emit,
gl_shader_stage stage)
: compiler(compiler), log_data(log_data),
- devinfo(compiler->devinfo), key(key),
+ devinfo(compiler->devinfo),
prog_data(prog_data),
promoted_constants(promoted_constants),
runtime_check_aads_emit(runtime_check_aads_emit), debug_flag(false),
brw_set_default_mask_control(p, BRW_MASK_DISABLE);
brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
brw_set_default_compression_control(p, BRW_COMPRESSION_NONE);
- brw_MOV(p, offset(payload, 1), brw_vec8_grf(1, 0));
+ brw_MOV(p, offset(retype(payload, BRW_REGISTER_TYPE_UD), 1),
+ offset(retype(implied_header, BRW_REGISTER_TYPE_UD), 1));
brw_pop_insn_state(p);
}
- if (inst->opcode == FS_OPCODE_REP_FB_WRITE)
+ if (inst->opcode == FS_OPCODE_REP_FB_WRITE) {
+ assert(inst->group == 0 && inst->exec_size == 16);
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE_REPLICATED;
- else if (prog_data->dual_src_blend) {
- if (!inst->group)
+
+ } else if (prog_data->dual_src_blend) {
+ assert(inst->exec_size == 8);
+
+ if (inst->group % 16 == 0)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN01;
- else
+ else if (inst->group % 16 == 8)
msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_DUAL_SOURCE_SUBSPAN23;
- } else if (inst->exec_size == 16)
- msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
- else
- msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01;
+ else
+ unreachable("Invalid dual-source FB write instruction group");
+
+ } else {
+ assert(inst->group == 0 || (inst->group == 16 && inst->exec_size == 16));
+
+ if (inst->exec_size == 16)
+ msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
+ else if (inst->exec_size == 8)
+ msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01;
+ else
+ unreachable("Invalid FB write execution size");
+ }
/* We assume render targets start at 0, because headerless FB write
* messages set "Render Target Index" to 0. Using a different binding
*/
const uint32_t surf_index = inst->target;
- bool last_render_target = inst->eot ||
- (prog_data->dual_src_blend && dispatch_width == 16);
+ brw_inst *insn = brw_fb_WRITE(p,
+ payload,
+ retype(implied_header, BRW_REGISTER_TYPE_UW),
+ msg_control,
+ surf_index,
+ nr,
+ 0,
+ inst->eot,
+ inst->last_rt,
+ inst->header_size != 0);
-
- brw_fb_WRITE(p,
- payload,
- implied_header,
- msg_control,
- surf_index,
- nr,
- 0,
- inst->eot,
- last_render_target,
- inst->header_size != 0);
+ if (devinfo->gen >= 6)
+ brw_inst_set_rt_slot_group(devinfo, insn, inst->group / 16);
brw_mark_surface_used(&prog_data->base, surf_index);
}
void
fs_generator::generate_fb_write(fs_inst *inst, struct brw_reg payload)
{
- struct brw_wm_prog_data *prog_data = brw_wm_prog_data(this->prog_data);
- const brw_wm_prog_key * const key = (brw_wm_prog_key * const) this->key;
- struct brw_reg implied_header;
-
if (devinfo->gen < 8 && !devinfo->is_haswell) {
brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
}
+ const struct brw_reg implied_header =
+ devinfo->gen < 6 ? payload : brw_null_reg();
+
if (inst->base_mrf >= 0)
payload = brw_message_reg(inst->base_mrf);
- /* Header is 2 regs, g0 and g1 are the contents. g0 will be implied
- * move, here's g1.
- */
- if (inst->header_size != 0) {
- brw_push_insn_state(p);
- brw_set_default_mask_control(p, BRW_MASK_DISABLE);
- brw_set_default_exec_size(p, BRW_EXECUTE_1);
- brw_set_default_predicate_control(p, BRW_PREDICATE_NONE);
- brw_set_default_compression_control(p, BRW_COMPRESSION_NONE);
- brw_set_default_flag_reg(p, 0, 0);
-
- /* On HSW, the GPU will use the predicate on SENDC, unless the header is
- * present.
- */
- if (prog_data->uses_kill) {
- struct brw_reg pixel_mask;
-
- if (devinfo->gen >= 6)
- pixel_mask = retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UW);
- else
- pixel_mask = retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW);
-
- brw_MOV(p, pixel_mask, brw_flag_reg(0, 1));
- }
-
- if (devinfo->gen >= 6) {
- brw_push_insn_state(p);
- brw_set_default_exec_size(p, BRW_EXECUTE_16);
- brw_set_default_compression_control(p, BRW_COMPRESSION_COMPRESSED);
- brw_MOV(p,
- retype(payload, BRW_REGISTER_TYPE_UD),
- retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD));
- brw_pop_insn_state(p);
-
- if (inst->target > 0 && key->replicate_alpha) {
- /* Set "Source0 Alpha Present to RenderTarget" bit in message
- * header.
- */
- brw_OR(p,
- vec1(retype(payload, BRW_REGISTER_TYPE_UD)),
- vec1(retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD)),
- brw_imm_ud(0x1 << 11));
- }
-
- if (inst->target > 0) {
- /* Set the render target index for choosing BLEND_STATE. */
- brw_MOV(p, retype(vec1(suboffset(payload, 2)),
- BRW_REGISTER_TYPE_UD),
- brw_imm_ud(inst->target));
- }
-
- /* Set computes stencil to render target */
- if (prog_data->computed_stencil) {
- brw_OR(p,
- vec1(retype(payload, BRW_REGISTER_TYPE_UD)),
- vec1(retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UD)),
- brw_imm_ud(0x1 << 14));
- }
-
- implied_header = brw_null_reg();
- } else {
- implied_header = retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW);
- }
-
- brw_pop_insn_state(p);
- } else {
- implied_header = brw_null_reg();
- }
-
if (!runtime_check_aads_emit) {
fire_fb_write(inst, payload, implied_header, inst->mlen);
} else {
}
}
+void
+fs_generator::generate_quad_swizzle(const fs_inst *inst,
+ struct brw_reg dst, struct brw_reg src,
+ unsigned swiz)
+{
+ /* Requires a quad. */
+ assert(inst->exec_size >= 4);
+
+ if (src.file == BRW_IMMEDIATE_VALUE ||
+ has_scalar_region(src)) {
+ /* The value is uniform across all channels */
+ brw_MOV(p, dst, src);
+
+ } else if (devinfo->gen < 11 && type_sz(src.type) == 4) {
+ /* This only works on 8-wide 32-bit values */
+ assert(inst->exec_size == 8);
+ assert(src.hstride == BRW_HORIZONTAL_STRIDE_1);
+ assert(src.vstride == src.width + 1);
+ brw_set_default_access_mode(p, BRW_ALIGN_16);
+ struct brw_reg swiz_src = stride(src, 4, 4, 1);
+ swiz_src.swizzle = swiz;
+ brw_MOV(p, dst, swiz_src);
+
+ } else {
+ assert(src.hstride == BRW_HORIZONTAL_STRIDE_1);
+ assert(src.vstride == src.width + 1);
+ const struct brw_reg src_0 = suboffset(src, BRW_GET_SWZ(swiz, 0));
+
+ switch (swiz) {
+ case BRW_SWIZZLE_XXXX:
+ case BRW_SWIZZLE_YYYY:
+ case BRW_SWIZZLE_ZZZZ:
+ case BRW_SWIZZLE_WWWW:
+ brw_MOV(p, dst, stride(src_0, 4, 4, 0));
+ break;
+
+ case BRW_SWIZZLE_XXZZ:
+ case BRW_SWIZZLE_YYWW:
+ brw_MOV(p, dst, stride(src_0, 2, 2, 0));
+ break;
+
+ case BRW_SWIZZLE_XYXY:
+ case BRW_SWIZZLE_ZWZW:
+ assert(inst->exec_size == 4);
+ brw_MOV(p, dst, stride(src_0, 0, 2, 1));
+ break;
+
+ default:
+ assert(inst->force_writemask_all);
+ brw_set_default_exec_size(p, cvt(inst->exec_size / 4) - 1);
+
+ for (unsigned c = 0; c < 4; c++) {
+ brw_inst *insn = brw_MOV(
+ p, stride(suboffset(dst, c),
+ 4 * inst->dst.stride, 1, 4 * inst->dst.stride),
+ stride(suboffset(src, BRW_GET_SWZ(swiz, c)), 4, 1, 0));
+
+ brw_inst_set_no_dd_clear(devinfo, insn, c < 3);
+ brw_inst_set_no_dd_check(devinfo, insn, c > 0);
+ }
+
+ break;
+ }
+ }
+}
+
void
fs_generator::generate_urb_read(fs_inst *inst,
struct brw_reg dst,
brw_set_dest(p, insn, brw_null_reg());
brw_set_src0(p, insn, payload);
- brw_set_src1(p, insn, brw_imm_d(0));
+ brw_set_src1(p, insn, brw_imm_ud(0u));
brw_inst_set_sfid(p->devinfo, insn, BRW_SFID_URB);
brw_inst_set_urb_opcode(p->devinfo, insn, GEN8_URB_OPCODE_SIMD8_WRITE);
brw_set_dest(p, insn, retype(brw_null_reg(), BRW_REGISTER_TYPE_UW));
brw_set_src0(p, insn, retype(payload, BRW_REGISTER_TYPE_UW));
- brw_set_src1(p, insn, brw_imm_d(0));
+ brw_set_src1(p, insn, brw_imm_ud(0u));
/* Terminate a compute shader by sending a message to the thread spawner.
*/
}
void
-fs_generator::generate_barrier(fs_inst *inst, struct brw_reg src)
+fs_generator::generate_barrier(fs_inst *, struct brw_reg src)
{
brw_barrier(p, src);
brw_WAIT(p);
struct brw_reg dwQ = suboffset(interp, 1);
struct brw_reg dwR = suboffset(interp, 3);
+ brw_push_insn_state(p);
brw_set_default_exec_size(p, BRW_EXECUTE_8);
if (inst->exec_size == 8) {
*/
brw_inst_set_saturate(p->devinfo, i[0], false);
} else {
- brw_set_default_compression_control(p, BRW_COMPRESSION_NONE);
+ brw_set_default_group(p, inst->group);
i[0] = brw_MAD(p, acc, dwR, offset(delta_x, 0), dwP);
i[1] = brw_MAD(p, offset(dst, 0), acc, offset(delta_x, 1), dwQ);
- brw_set_default_compression_control(p, BRW_COMPRESSION_2NDHALF);
+ brw_set_default_group(p, inst->group + 8);
i[2] = brw_MAD(p, acc, dwR, offset(delta_y, 0), dwP);
i[3] = brw_MAD(p, offset(dst, 1), acc, offset(delta_y, 1), dwQ);
- brw_set_default_compression_control(p, BRW_COMPRESSION_COMPRESSED);
-
brw_inst_set_cond_modifier(p->devinfo, i[1], inst->conditional_mod);
brw_inst_set_cond_modifier(p->devinfo, i[3], inst->conditional_mod);
brw_inst_set_saturate(p->devinfo, i[2], false);
}
+ brw_pop_insn_state(p);
+
return true;
- } else if (devinfo->has_pln &&
- (devinfo->gen >= 7 || (delta_x.nr & 1) == 0)) {
- brw_PLN(p, dst, interp, delta_x);
+ } else if (devinfo->has_pln) {
+ if (devinfo->gen <= 6 && (delta_x.nr & 1) != 0) {
+ /* From the Sandy Bridge PRM Vol. 4, Pt. 2, Section 8.3.53, "Plane":
+ *
+ * "[DevSNB]:<src1> must be even register aligned.
+ *
+ * This restriction is lifted on Ivy Bridge.
+ *
+ * This means that we need to split PLN into LINE+MAC on-the-fly.
+ * Unfortunately, the inputs are laid out for PLN and not LINE+MAC so
+ * we have to split into SIMD8 pieces. For gen4 (!has_pln), the
+ * coordinate registers are laid out differently so we leave it as a
+ * SIMD16 instruction.
+ */
+ assert(inst->exec_size == 8 || inst->exec_size == 16);
+ assert(inst->group % 16 == 0);
- return false;
+ brw_push_insn_state(p);
+ brw_set_default_exec_size(p, BRW_EXECUTE_8);
+
+ /* Thanks to two accumulators, we can emit all the LINEs and then all
+ * the MACs. This improves parallelism a bit.
+ */
+ for (unsigned g = 0; g < inst->exec_size / 8; g++) {
+ brw_inst *line = brw_LINE(p, brw_null_reg(), interp,
+ offset(delta_x, g * 2));
+ brw_inst_set_group(devinfo, line, inst->group + g * 8);
+
+ /* LINE writes the accumulator automatically on gen4-5. On Sandy
+ * Bridge and later, we have to explicitly enable it.
+ */
+ if (devinfo->gen >= 6)
+ brw_inst_set_acc_wr_control(p->devinfo, line, true);
+
+ /* brw_set_default_saturate() is called before emitting
+ * instructions, so the saturate bit is set in each instruction,
+ * so we need to unset it on the LINE instructions.
+ */
+ brw_inst_set_saturate(p->devinfo, line, false);
+ }
+
+ for (unsigned g = 0; g < inst->exec_size / 8; g++) {
+ brw_inst *mac = brw_MAC(p, offset(dst, g), suboffset(interp, 1),
+ offset(delta_x, g * 2 + 1));
+ brw_inst_set_group(devinfo, mac, inst->group + g * 8);
+ brw_inst_set_cond_modifier(p->devinfo, mac, inst->conditional_mod);
+ }
+
+ brw_pop_insn_state(p);
+
+ return true;
+ } else {
+ brw_PLN(p, dst, interp, delta_x);
+
+ return false;
+ }
} else {
i[0] = brw_LINE(p, brw_null_reg(), interp, delta_x);
i[1] = brw_MAC(p, dst, suboffset(interp, 1), delta_y);
uint32_t return_format;
bool is_combined_send = inst->eot;
+ /* Sampler EOT message of less than the dispatch width would kill the
+ * thread prematurely.
+ */
+ assert(!is_combined_send || inst->exec_size == dispatch_width);
+
switch (dst.type) {
case BRW_REGISTER_TYPE_D:
return_format = BRW_SAMPLER_RETURN_FORMAT_SINT32;
}
break;
case SHADER_OPCODE_TXS:
+ case SHADER_OPCODE_IMAGE_SIZE:
msg_type = GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO;
break;
case SHADER_OPCODE_TXD:
}
}
- uint32_t base_binding_table_index = (inst->opcode == SHADER_OPCODE_TG4 ||
- inst->opcode == SHADER_OPCODE_TG4_OFFSET)
- ? prog_data->binding_table.gather_texture_start
- : prog_data->binding_table.texture_start;
+ uint32_t base_binding_table_index;
+ switch (inst->opcode) {
+ case SHADER_OPCODE_TG4:
+ case SHADER_OPCODE_TG4_OFFSET:
+ base_binding_table_index = prog_data->binding_table.gather_texture_start;
+ break;
+ case SHADER_OPCODE_IMAGE_SIZE:
+ base_binding_table_index = prog_data->binding_table.image_start;
+ break;
+ default:
+ base_binding_table_index = prog_data->binding_table.texture_start;
+ break;
+ }
if (surface_index.file == BRW_IMMEDIATE_VALUE &&
sampler_index.file == BRW_IMMEDIATE_VALUE) {
brw_pop_insn_state(p);
/* dst = send(offset, a0.0 | <descriptor>) */
- brw_inst *insn = brw_send_indirect_message(
- p, BRW_SFID_SAMPLER, dst, src, addr);
- brw_set_sampler_message(p, insn,
- 0 /* surface */,
- 0 /* sampler */,
- msg_type,
- inst->size_written / REG_SIZE,
- inst->mlen /* mlen */,
- inst->header_size != 0 /* header */,
- simd_mode,
- return_format);
+ brw_send_indirect_message(
+ p, BRW_SFID_SAMPLER, dst, src, addr,
+ brw_message_desc(devinfo, inst->mlen, inst->size_written / REG_SIZE,
+ inst->header_size) |
+ brw_sampler_desc(devinfo,
+ 0 /* surface */,
+ 0 /* sampler */,
+ msg_type,
+ simd_mode,
+ return_format));
/* visitor knows more than we do about the surface limit required,
* so has already done marking.
}
void
-fs_generator::generate_discard_jump(fs_inst *inst)
+fs_generator::generate_discard_jump(fs_inst *)
{
assert(devinfo->gen >= 6);
brw_inst *send = brw_next_insn(p, BRW_OPCODE_SEND);
brw_pop_insn_state(p);
+ brw_inst_set_sfid(devinfo, send, GEN6_SFID_DATAPORT_CONSTANT_CACHE);
brw_set_dest(p, send, retype(dst, BRW_REGISTER_TYPE_UD));
brw_set_src0(p, send, retype(payload, BRW_REGISTER_TYPE_UD));
- brw_set_dp_read_message(p, send, surf_index,
- BRW_DATAPORT_OWORD_BLOCK_DWORDS(inst->exec_size),
- GEN7_DATAPORT_DC_OWORD_BLOCK_READ,
- GEN6_SFID_DATAPORT_CONSTANT_CACHE,
- 1, /* mlen */
- true, /* header */
- DIV_ROUND_UP(inst->size_written, REG_SIZE));
+ brw_set_desc(p, send,
+ brw_message_desc(devinfo, 1, DIV_ROUND_UP(inst->size_written,
+ REG_SIZE), true) |
+ brw_dp_read_desc(devinfo, surf_index,
+ BRW_DATAPORT_OWORD_BLOCK_DWORDS(inst->exec_size),
+ GEN7_DATAPORT_DC_OWORD_BLOCK_READ,
+ BRW_DATAPORT_READ_TARGET_DATA_CACHE));
} else {
struct brw_reg addr = vec1(retype(brw_address_reg(0), BRW_REGISTER_TYPE_UD));
brw_set_src1(p, insn_and, brw_imm_ud(0x0ff));
/* dst = send(payload, a0.0 | <descriptor>) */
- brw_inst *insn = brw_send_indirect_message(
+ brw_send_indirect_message(
p, GEN6_SFID_DATAPORT_CONSTANT_CACHE,
retype(dst, BRW_REGISTER_TYPE_UD),
- retype(payload, BRW_REGISTER_TYPE_UD), addr);
- brw_set_dp_read_message(p, insn, 0 /* surface */,
- BRW_DATAPORT_OWORD_BLOCK_DWORDS(inst->exec_size),
- GEN7_DATAPORT_DC_OWORD_BLOCK_READ,
- GEN6_SFID_DATAPORT_CONSTANT_CACHE,
- 1, /* mlen */
- true, /* header */
- DIV_ROUND_UP(inst->size_written, REG_SIZE));
+ retype(payload, BRW_REGISTER_TYPE_UD), addr,
+ brw_message_desc(devinfo, 1,
+ DIV_ROUND_UP(inst->size_written, REG_SIZE), true) |
+ brw_dp_read_desc(devinfo, 0 /* surface */,
+ BRW_DATAPORT_OWORD_BLOCK_DWORDS(inst->exec_size),
+ GEN7_DATAPORT_DC_OWORD_BLOCK_READ,
+ BRW_DATAPORT_READ_TARGET_DATA_CACHE));
brw_pop_insn_state(p);
}
brw_inst *send = brw_next_insn(p, BRW_OPCODE_SEND);
brw_inst_set_compression(devinfo, send, false);
+ brw_inst_set_sfid(devinfo, send, BRW_SFID_SAMPLER);
brw_set_dest(p, send, retype(dst, BRW_REGISTER_TYPE_UW));
brw_set_src0(p, send, header);
if (devinfo->gen < 6)
* stored in it.
*/
uint32_t return_format = BRW_SAMPLER_RETURN_FORMAT_FLOAT32;
- brw_set_sampler_message(p, send,
- surf_index,
- 0, /* sampler (unused) */
- msg_type,
- rlen,
- inst->mlen,
- inst->header_size != 0,
- simd_mode,
- return_format);
+ brw_set_desc(p, send,
+ brw_message_desc(devinfo, inst->mlen, rlen, inst->header_size) |
+ brw_sampler_desc(devinfo, surf_index,
+ 0, /* sampler (unused) */
+ msg_type, simd_mode, return_format));
}
void
* gen7, so the fact that it's a send message is hidden at the IR level.
*/
assert(inst->header_size == 0);
- assert(!inst->mlen);
+ assert(inst->mlen);
assert(index.type == BRW_REGISTER_TYPE_UD);
- uint32_t simd_mode, rlen, mlen;
+ uint32_t simd_mode, rlen;
if (inst->exec_size == 16) {
- mlen = 2;
rlen = 8;
simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD16;
} else {
assert(inst->exec_size == 8);
- mlen = 1;
rlen = 4;
simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD8;
}
uint32_t surf_index = index.ud;
brw_inst *send = brw_next_insn(p, BRW_OPCODE_SEND);
+ brw_inst_set_sfid(devinfo, send, BRW_SFID_SAMPLER);
brw_set_dest(p, send, retype(dst, BRW_REGISTER_TYPE_UW));
brw_set_src0(p, send, offset);
- brw_set_sampler_message(p, send,
- surf_index,
- 0, /* LD message ignores sampler unit */
- GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
- rlen,
- mlen,
- false, /* no header */
- simd_mode,
- 0);
+ brw_set_desc(p, send,
+ brw_message_desc(devinfo, inst->mlen, rlen, false) |
+ brw_sampler_desc(devinfo, surf_index,
+ 0, /* LD message ignores sampler unit */
+ GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
+ simd_mode, 0));
} else {
brw_pop_insn_state(p);
/* dst = send(offset, a0.0 | <descriptor>) */
- brw_inst *insn = brw_send_indirect_message(
+ brw_send_indirect_message(
p, BRW_SFID_SAMPLER, retype(dst, BRW_REGISTER_TYPE_UW),
- offset, addr);
- brw_set_sampler_message(p, insn,
- 0 /* surface */,
- 0 /* sampler */,
- GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
- rlen /* rlen */,
- mlen /* mlen */,
- false /* header */,
- simd_mode,
- 0);
+ offset, addr,
+ brw_message_desc(devinfo, inst->mlen, rlen, false) |
+ brw_sampler_desc(devinfo,
+ 0 /* surface */,
+ 0 /* sampler */,
+ GEN5_SAMPLER_MESSAGE_SAMPLE_LD,
+ simd_mode,
+ 0));
}
}
-/**
- * Cause the current pixel/sample mask (from R1.7 bits 15:0) to be transferred
- * into the flags register (f0.0).
- *
- * Used only on Gen6 and above.
- */
-void
-fs_generator::generate_mov_dispatch_to_flags(fs_inst *inst)
-{
- struct brw_reg flags = brw_flag_subreg(inst->flag_subreg);
- struct brw_reg dispatch_mask;
-
- if (devinfo->gen >= 6)
- dispatch_mask = retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UW);
- else
- dispatch_mask = retype(brw_vec1_grf(0, 0), BRW_REGISTER_TYPE_UW);
-
- brw_push_insn_state(p);
- brw_set_default_mask_control(p, BRW_MASK_DISABLE);
- brw_set_default_exec_size(p, BRW_EXECUTE_1);
- brw_MOV(p, flags, dispatch_mask);
- brw_pop_insn_state(p);
-}
-
void
fs_generator::generate_pixel_interpolator_query(fs_inst *inst,
struct brw_reg dst,
struct brw_reg msg_data,
unsigned msg_type)
{
- assert(inst->size_written % REG_SIZE == 0);
+ const bool has_payload = inst->src[0].file != BAD_FILE;
assert(msg_data.type == BRW_REGISTER_TYPE_UD);
+ assert(inst->size_written % REG_SIZE == 0);
brw_pixel_interpolator_query(p,
retype(dst, BRW_REGISTER_TYPE_UW),
- src,
+ /* If we don't have a payload, what we send doesn't matter */
+ has_payload ? src : brw_vec8_grf(0, 0),
inst->pi_noperspective,
msg_type,
msg_data,
- inst->mlen,
+ has_payload ? 2 * inst->exec_size / 8 : 1,
inst->size_written / REG_SIZE);
}
assert(src0.type == BRW_REGISTER_TYPE_D ||
src0.type == BRW_REGISTER_TYPE_UD);
- struct brw_reg reg = stride(src1, 1, 4, 0);
- if (devinfo->gen >= 8 || inst->exec_size == 8) {
- brw_ADD(p, dst, src0, reg);
- } else if (inst->exec_size == 16) {
- brw_push_insn_state(p);
- brw_set_default_exec_size(p, BRW_EXECUTE_8);
- brw_set_default_compression_control(p, BRW_COMPRESSION_NONE);
- brw_ADD(p, firsthalf(dst), firsthalf(src0), reg);
- brw_set_default_compression_control(p, BRW_COMPRESSION_2NDHALF);
- brw_ADD(p, sechalf(dst), sechalf(src0), suboffset(reg, 2));
- brw_pop_insn_state(p);
+ const struct brw_reg reg = stride(src1, 1, 4, 0);
+ const unsigned lower_size = MIN2(inst->exec_size,
+ devinfo->gen >= 8 ? 16 : 8);
+
+ for (unsigned i = 0; i < inst->exec_size / lower_size; i++) {
+ brw_inst *insn = brw_ADD(p, offset(dst, i * lower_size / 8),
+ offset(src0, (src0.vstride == 0 ? 0 : (1 << (src0.vstride - 1)) *
+ (i * lower_size / (1 << src0.width))) *
+ type_sz(src0.type) / REG_SIZE),
+ suboffset(reg, i * lower_size / 4));
+ brw_inst_set_exec_size(devinfo, insn, cvt(lower_size) - 1);
+ brw_inst_set_group(devinfo, insn, inst->group + lower_size * i);
+ brw_inst_set_compression(devinfo, insn, lower_size > 8);
}
}
void
-fs_generator::generate_pack_half_2x16_split(fs_inst *inst,
+fs_generator::generate_pack_half_2x16_split(fs_inst *,
struct brw_reg dst,
struct brw_reg x,
struct brw_reg y)
}
void
-fs_generator::generate_unpack_half_2x16_split(fs_inst *inst,
- struct brw_reg dst,
- struct brw_reg src)
-{
- assert(devinfo->gen >= 7);
- assert(dst.type == BRW_REGISTER_TYPE_F);
- assert(src.type == BRW_REGISTER_TYPE_UD);
-
- /* From the Ivybridge PRM, Vol4, Part3, Section 6.26 f16to32:
- *
- * Because this instruction does not have a 16-bit floating-point type,
- * the source data type must be Word (W). The destination type must be
- * F (Float).
- */
- struct brw_reg src_w = spread(retype(src, BRW_REGISTER_TYPE_W), 2);
-
- /* Each channel of src has the form of unpackHalf2x16's input: 0xhhhhllll.
- * For the Y case, we wish to access only the upper word; therefore
- * a 16-bit subregister offset is needed.
- */
- assert(inst->opcode == FS_OPCODE_UNPACK_HALF_2x16_SPLIT_X ||
- inst->opcode == FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y);
- if (inst->opcode == FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y)
- src_w.subnr += 2;
-
- brw_F16TO32(p, dst, src_w);
-}
-
-void
-fs_generator::generate_shader_time_add(fs_inst *inst,
+fs_generator::generate_shader_time_add(fs_inst *,
struct brw_reg payload,
struct brw_reg offset,
struct brw_reg value)
brw_set_default_access_mode(p, BRW_ALIGN_1);
brw_set_default_predicate_control(p, inst->predicate);
brw_set_default_predicate_inverse(p, inst->predicate_inverse);
- brw_set_default_flag_reg(p, inst->flag_subreg / 2, inst->flag_subreg % 2);
+ /* On gen7 and above, hardware automatically adds the group onto the
+ * flag subregister number. On Sandy Bridge and older, we have to do it
+ * ourselves.
+ */
+ const unsigned flag_subreg = inst->flag_subreg +
+ (devinfo->gen >= 7 ? 0 : inst->group / 16);
+ brw_set_default_flag_reg(p, flag_subreg / 2, flag_subreg % 2);
brw_set_default_saturate(p, inst->saturate);
brw_set_default_mask_control(p, inst->force_writemask_all);
brw_set_default_acc_write_control(p, inst->writes_accumulator);
assert(devinfo->gen == 6);
gen6_IF(p, inst->conditional_mod, src[0], src[1]);
} else {
- brw_IF(p, brw_inst_exec_size(devinfo, p->current));
+ brw_IF(p, brw_get_default_exec_size(p));
}
break;
break;
case BRW_OPCODE_DO:
- brw_DO(p, brw_inst_exec_size(devinfo, p->current));
+ brw_DO(p, brw_get_default_exec_size(p));
break;
case BRW_OPCODE_BREAK:
BRW_MATH_PRECISION_FULL);
}
break;
- case FS_OPCODE_CINTERP:
- brw_MOV(p, dst, src[0]);
- break;
case FS_OPCODE_LINTERP:
multiple_instructions_emitted = generate_linterp(inst, dst, src);
break;
case SHADER_OPCODE_SAMPLEINFO:
generate_tex(inst, dst, src[0], src[1], src[2]);
break;
+
+ case SHADER_OPCODE_IMAGE_SIZE:
+ generate_tex(inst, dst, src[0], src[1], brw_imm_ud(0));
+ break;
+
case FS_OPCODE_DDX_COARSE:
case FS_OPCODE_DDX_FINE:
generate_ddx(inst, dst, src[0]);
generate_fb_read(inst, dst, src[0]);
break;
- case FS_OPCODE_MOV_DISPATCH_TO_FLAGS:
- generate_mov_dispatch_to_flags(inst);
- break;
-
case FS_OPCODE_DISCARD_JUMP:
generate_discard_jump(inst);
break;
inst->header_size);
break;
+ case SHADER_OPCODE_UNTYPED_ATOMIC_FLOAT:
+ assert(src[2].file == BRW_IMMEDIATE_VALUE);
+ brw_untyped_atomic_float(p, dst, src[0], src[1], src[2].ud,
+ inst->mlen, !inst->dst.is_null(),
+ inst->header_size);
+ break;
+
case SHADER_OPCODE_UNTYPED_SURFACE_READ:
assert(!inst->header_size);
assert(src[2].file == BRW_IMMEDIATE_VALUE);
break;
case SHADER_OPCODE_MEMORY_FENCE:
- brw_memory_fence(p, dst);
+ brw_memory_fence(p, dst, BRW_OPCODE_SEND);
+ break;
+
+ case SHADER_OPCODE_INTERLOCK:
+ /* The interlock is basically a memory fence issued via sendc */
+ brw_memory_fence(p, dst, BRW_OPCODE_SENDC);
break;
case SHADER_OPCODE_FIND_LIVE_CHANNEL: {
break;
case SHADER_OPCODE_QUAD_SWIZZLE:
- /* This only works on 8-wide 32-bit values */
- assert(inst->exec_size == 8);
- assert(type_sz(src[0].type) == 4);
- assert(inst->force_writemask_all);
assert(src[1].file == BRW_IMMEDIATE_VALUE);
assert(src[1].type == BRW_REGISTER_TYPE_UD);
-
- if (src[0].file == BRW_IMMEDIATE_VALUE ||
- (src[0].vstride == 0 && src[0].hstride == 0)) {
- /* The value is uniform across all channels */
- brw_MOV(p, dst, src[0]);
- } else {
- brw_set_default_access_mode(p, BRW_ALIGN_16);
- struct brw_reg swiz_src = stride(src[0], 4, 4, 1);
- swiz_src.swizzle = inst->src[1].ud;
- brw_MOV(p, dst, swiz_src);
- }
+ generate_quad_swizzle(inst, dst, src[0], src[1].ud);
break;
case SHADER_OPCODE_CLUSTER_BROADCAST: {
generate_pack_half_2x16_split(inst, dst, src[0], src[1]);
break;
- case FS_OPCODE_UNPACK_HALF_2x16_SPLIT_X:
- case FS_OPCODE_UNPACK_HALF_2x16_SPLIT_Y:
- generate_unpack_half_2x16_split(inst, dst, src[0]);
- break;
-
case FS_OPCODE_PLACEHOLDER_HALT:
/* This is the place where the final HALT needs to be inserted if
* we've emitted any discards. If not, this will emit no code.
projects / mesa.git / blobdiff