static void
fs_lower_opcode_fb_write(struct toy_compiler *tc, struct toy_inst *inst)
{
/* fs_write_fb() has set up the message registers */
toy_compiler_lower_to_send(tc, inst, true,
GEN6_SFID_DATAPORT_RENDER_CACHE);
}
static void
gs_lower_virtual_opcodes(struct gs_compile_context *gcc)
{
struct toy_compiler *tc = &gcc->tc;
struct toy_inst *inst;
tc_head(tc);
while ((inst = tc_next(tc)) != NULL) {
switch (inst->opcode) {
case TOY_OPCODE_TGSI_IN:
case TOY_OPCODE_TGSI_CONST:
case TOY_OPCODE_TGSI_SV:
case TOY_OPCODE_TGSI_IMM:
gs_lower_opcode_tgsi_direct(gcc, inst);
break;
case TOY_OPCODE_TGSI_INDIRECT_FETCH:
case TOY_OPCODE_TGSI_INDIRECT_STORE:
/* TODO similar to VS */
tc_fail(tc, "no indirection support");
tc_discard_inst(tc, inst);
break;
case TOY_OPCODE_TGSI_TEX:
case TOY_OPCODE_TGSI_TXB:
case TOY_OPCODE_TGSI_TXD:
case TOY_OPCODE_TGSI_TXL:
case TOY_OPCODE_TGSI_TXP:
case TOY_OPCODE_TGSI_TXF:
case TOY_OPCODE_TGSI_TXQ:
case TOY_OPCODE_TGSI_TXQ_LZ:
case TOY_OPCODE_TGSI_TEX2:
case TOY_OPCODE_TGSI_TXB2:
case TOY_OPCODE_TGSI_TXL2:
case TOY_OPCODE_TGSI_SAMPLE:
case TOY_OPCODE_TGSI_SAMPLE_I:
case TOY_OPCODE_TGSI_SAMPLE_I_MS:
case TOY_OPCODE_TGSI_SAMPLE_B:
case TOY_OPCODE_TGSI_SAMPLE_C:
case TOY_OPCODE_TGSI_SAMPLE_C_LZ:
case TOY_OPCODE_TGSI_SAMPLE_D:
case TOY_OPCODE_TGSI_SAMPLE_L:
case TOY_OPCODE_TGSI_GATHER4:
case TOY_OPCODE_TGSI_SVIEWINFO:
case TOY_OPCODE_TGSI_SAMPLE_POS:
case TOY_OPCODE_TGSI_SAMPLE_INFO:
/* TODO similar to VS */
tc_fail(tc, "no sampling support");
tc_discard_inst(tc, inst);
break;
case TOY_OPCODE_EMIT:
gs_lower_opcode_emit(gcc, inst);
tc_discard_inst(tc, inst);
break;
case TOY_OPCODE_ENDPRIM:
gs_lower_opcode_endprim(gcc, inst);
tc_discard_inst(tc, inst);
break;
default:
break;
}
}
tc_head(tc);
while ((inst = tc_next(tc)) != NULL) {
switch (inst->opcode) {
case TOY_OPCODE_INV:
case TOY_OPCODE_LOG:
case TOY_OPCODE_EXP:
case TOY_OPCODE_SQRT:
case TOY_OPCODE_RSQ:
case TOY_OPCODE_SIN:
case TOY_OPCODE_COS:
case TOY_OPCODE_FDIV:
case TOY_OPCODE_POW:
case TOY_OPCODE_INT_DIV_QUOTIENT:
case TOY_OPCODE_INT_DIV_REMAINDER:
toy_compiler_lower_math(tc, inst);
break;
case TOY_OPCODE_URB_WRITE:
toy_compiler_lower_to_send(tc, inst, false, GEN6_SFID_URB);
break;
default:
if (inst->opcode > 127)
tc_fail(tc, "unhandled virtual opcode");
break;
}
}
}
static void
vs_lower_opcode_urb_write(struct toy_compiler *tc, struct toy_inst *inst)
{
/* vs_write_vue() has set up the message registers */
toy_compiler_lower_to_send(tc, inst, false, GEN6_SFID_URB);
}
static void
vs_lower_opcode_tgsi_sampling(struct vs_compile_context *vcc,
struct toy_inst *inst)
{
struct toy_compiler *tc = &vcc->tc;
struct toy_src desc;
struct toy_dst dst, tmp;
unsigned sampler_index;
int swizzles[4], i;
unsigned swizzle_zero_mask, swizzle_one_mask, swizzle_normal_mask;
bool need_filter;
desc = vs_prepare_tgsi_sampling(vcc, inst,
vcc->first_free_mrf, &sampler_index);
switch (inst->opcode) {
case TOY_OPCODE_TGSI_TXF:
case TOY_OPCODE_TGSI_TXQ:
case TOY_OPCODE_TGSI_TXQ_LZ:
need_filter = false;
break;
default:
need_filter = true;
break;
}
toy_compiler_lower_to_send(tc, inst, false, GEN6_SFID_SAMPLER);
inst->src[0] = tsrc(TOY_FILE_MRF, vcc->first_free_mrf, 0);
inst->src[1] = desc;
/* write to a temp first */
tmp = tc_alloc_tmp(tc);
tmp.type = inst->dst.type;
dst = inst->dst;
inst->dst = tmp;
tc_move_inst(tc, inst);
if (need_filter) {
assert(sampler_index < vcc->variant->num_sampler_views);
swizzles[0] = vcc->variant->sampler_view_swizzles[sampler_index].r;
swizzles[1] = vcc->variant->sampler_view_swizzles[sampler_index].g;
swizzles[2] = vcc->variant->sampler_view_swizzles[sampler_index].b;
swizzles[3] = vcc->variant->sampler_view_swizzles[sampler_index].a;
}
else {
swizzles[0] = PIPE_SWIZZLE_RED;
swizzles[1] = PIPE_SWIZZLE_GREEN;
swizzles[2] = PIPE_SWIZZLE_BLUE;
swizzles[3] = PIPE_SWIZZLE_ALPHA;
}
swizzle_zero_mask = 0;
swizzle_one_mask = 0;
swizzle_normal_mask = 0;
for (i = 0; i < 4; i++) {
switch (swizzles[i]) {
case PIPE_SWIZZLE_ZERO:
swizzle_zero_mask |= 1 << i;
swizzles[i] = i;
break;
case PIPE_SWIZZLE_ONE:
swizzle_one_mask |= 1 << i;
swizzles[i] = i;
break;
default:
swizzle_normal_mask |= 1 << i;
break;
}
}
/* swizzle the results */
if (swizzle_normal_mask) {
tc_MOV(tc, tdst_writemask(dst, swizzle_normal_mask),
tsrc_swizzle(tsrc_from(tmp), swizzles[0],
swizzles[1], swizzles[2], swizzles[3]));
}
if (swizzle_zero_mask)
tc_MOV(tc, tdst_writemask(dst, swizzle_zero_mask), tsrc_imm_f(0.0f));
if (swizzle_one_mask)
tc_MOV(tc, tdst_writemask(dst, swizzle_one_mask), tsrc_imm_f(1.0f));
}
static void
fs_lower_opcode_tgsi_sampling(struct fs_compile_context *fcc,
struct toy_inst *inst)
{
struct toy_compiler *tc = &fcc->tc;
struct toy_dst dst[4], tmp[4];
struct toy_src desc;
unsigned sampler_index;
int swizzles[4], i;
bool need_filter;
desc = fs_prepare_tgsi_sampling(tc, inst,
fcc->first_free_mrf,
fcc->variant->saturate_tex_coords,
&sampler_index);
switch (inst->opcode) {
case TOY_OPCODE_TGSI_TXF:
case TOY_OPCODE_TGSI_TXQ:
case TOY_OPCODE_TGSI_TXQ_LZ:
need_filter = false;
break;
default:
need_filter = true;
break;
}
toy_compiler_lower_to_send(tc, inst, false, BRW_SFID_SAMPLER);
inst->src[0] = tsrc(TOY_FILE_MRF, fcc->first_free_mrf, 0);
inst->src[1] = desc;
for (i = 2; i < Elements(inst->src); i++)
inst->src[i] = tsrc_null();
/* write to temps first */
tc_alloc_tmp4(tc, tmp);
tdst_transpose(inst->dst, dst);
inst->dst = tmp[0];
tc_move_inst(tc, inst);
if (need_filter) {
assert(sampler_index < fcc->variant->num_sampler_views);
swizzles[0] = fcc->variant->sampler_view_swizzles[sampler_index].r;
swizzles[1] = fcc->variant->sampler_view_swizzles[sampler_index].g;
swizzles[2] = fcc->variant->sampler_view_swizzles[sampler_index].b;
swizzles[3] = fcc->variant->sampler_view_swizzles[sampler_index].a;
}
else {
swizzles[0] = PIPE_SWIZZLE_RED;
swizzles[1] = PIPE_SWIZZLE_GREEN;
swizzles[2] = PIPE_SWIZZLE_BLUE;
swizzles[3] = PIPE_SWIZZLE_ALPHA;
}
/* swizzle the results */
for (i = 0; i < 4; i++) {
switch (swizzles[i]) {
case PIPE_SWIZZLE_ZERO:
tc_MOV(tc, dst[i], tsrc_imm_f(0.0f));
break;
case PIPE_SWIZZLE_ONE:
tc_MOV(tc, dst[i], tsrc_imm_f(1.0f));
break;
default:
tc_MOV(tc, dst[i], tsrc_from(tmp[swizzles[i]]));
break;
}
}
}