ntq_emit_cf_list(struct vc4_compile *c, struct exec_list *list);
static int
-type_size(const struct glsl_type *type)
+type_size(const struct glsl_type *type, bool bindless)
{
return glsl_count_attribute_slots(type, false);
}
indirect_uniform_load(struct vc4_compile *c, nir_intrinsic_instr *intr)
{
struct qreg indirect_offset = ntq_get_src(c, intr->src[0], 0);
- uint32_t offset = nir_intrinsic_base(intr);
- struct vc4_compiler_ubo_range *range = NULL;
- unsigned i;
- for (i = 0; i < c->num_uniform_ranges; i++) {
- range = &c->ubo_ranges[i];
- if (offset >= range->src_offset &&
- offset < range->src_offset + range->size) {
- break;
- }
- }
- /* The driver-location-based offset always has to be within a declared
- * uniform range.
- */
- assert(range);
- if (!range->used) {
- range->used = true;
- range->dst_offset = c->next_ubo_dst_offset;
- c->next_ubo_dst_offset += range->size;
- c->num_ubo_ranges++;
- }
-
- offset -= range->src_offset;
-
- /* Adjust for where we stored the TGSI register base. */
- indirect_offset = qir_ADD(c, indirect_offset,
- qir_uniform_ui(c, (range->dst_offset +
- offset)));
/* Clamp to [0, array size). Note that MIN/MAX are signed. */
+ uint32_t range = nir_intrinsic_range(intr);
indirect_offset = qir_MAX(c, indirect_offset, qir_uniform_ui(c, 0));
indirect_offset = qir_MIN_NOIMM(c, indirect_offset,
- qir_uniform_ui(c, (range->dst_offset +
- range->size - 4)));
+ qir_uniform_ui(c, range - 4));
qir_ADD_dest(c, qir_reg(QFILE_TEX_S_DIRECT, 0),
indirect_offset,
- qir_uniform(c, QUNIFORM_UBO_ADDR, 0));
+ qir_uniform(c, QUNIFORM_UBO0_ADDR,
+ nir_intrinsic_base(intr)));
c->num_texture_samples++;
static struct qreg
vc4_ubo_load(struct vc4_compile *c, nir_intrinsic_instr *intr)
{
- nir_const_value *buffer_index =
- nir_src_as_const_value(intr->src[0]);
- assert(buffer_index->u32[0] == 1);
+ int buffer_index = nir_src_as_uint(intr->src[0]);
+ assert(buffer_index == 1);
assert(c->stage == QSTAGE_FRAG);
struct qreg offset = ntq_get_src(c, intr->src[1], 0);
qir_ADD_dest(c, qir_reg(QFILE_TEX_S_DIRECT, 0),
offset,
- qir_uniform(c, QUNIFORM_UBO_ADDR, buffer_index->u32[0]));
+ qir_uniform(c, QUNIFORM_UBO1_ADDR, 0));
c->num_texture_samples++;
return qir_MOV(c, result);
}
+static struct qreg
+ntq_shrink_sincos_input_range(struct vc4_compile *c, struct qreg x)
+{
+ /* Since we're using a Taylor approximation, we want to have a small
+ * number of coefficients and take advantage of sin/cos repeating
+ * every 2pi. We keep our x as close to 0 as we can, since the series
+ * will be less accurate as |x| increases. (Also, be careful of
+ * shifting the input x value to be tricky with sin/cos relations,
+ * because getting accurate values for x==0 is very important for SDL
+ * rendering)
+ */
+ struct qreg scaled_x =
+ qir_FMUL(c, x,
+ qir_uniform_f(c, 1.0f / (M_PI * 2.0f)));
+ /* Note: FTOI truncates toward 0. */
+ struct qreg x_frac = qir_FSUB(c, scaled_x,
+ qir_ITOF(c, qir_FTOI(c, scaled_x)));
+ /* Map [0.5, 1] to [-0.5, 0] */
+ qir_SF(c, qir_FSUB(c, x_frac, qir_uniform_f(c, 0.5)));
+ qir_FSUB_dest(c, x_frac, x_frac, qir_uniform_f(c, 1.0))->cond = QPU_COND_NC;
+ /* Map [-1, -0.5] to [0, 0.5] */
+ qir_SF(c, qir_FADD(c, x_frac, qir_uniform_f(c, 0.5)));
+ qir_FADD_dest(c, x_frac, x_frac, qir_uniform_f(c, 1.0))->cond = QPU_COND_NS;
+
+ return x_frac;
+}
+
static struct qreg
ntq_fsin(struct vc4_compile *c, struct qreg src)
{
float coeff[] = {
- -2.0 * M_PI,
- pow(2.0 * M_PI, 3) / (3 * 2 * 1),
- -pow(2.0 * M_PI, 5) / (5 * 4 * 3 * 2 * 1),
- pow(2.0 * M_PI, 7) / (7 * 6 * 5 * 4 * 3 * 2 * 1),
- -pow(2.0 * M_PI, 9) / (9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1),
+ 2.0 * M_PI,
+ -pow(2.0 * M_PI, 3) / (3 * 2 * 1),
+ pow(2.0 * M_PI, 5) / (5 * 4 * 3 * 2 * 1),
+ -pow(2.0 * M_PI, 7) / (7 * 6 * 5 * 4 * 3 * 2 * 1),
+ pow(2.0 * M_PI, 9) / (9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1),
};
- struct qreg scaled_x =
- qir_FMUL(c,
- src,
- qir_uniform_f(c, 1.0 / (M_PI * 2.0)));
-
- struct qreg x = qir_FADD(c,
- ntq_ffract(c, scaled_x),
- qir_uniform_f(c, -0.5));
+ struct qreg x = ntq_shrink_sincos_input_range(c, src);
struct qreg x2 = qir_FMUL(c, x, x);
struct qreg sum = qir_FMUL(c, x, qir_uniform_f(c, coeff[0]));
for (int i = 1; i < ARRAY_SIZE(coeff); i++) {
ntq_fcos(struct vc4_compile *c, struct qreg src)
{
float coeff[] = {
- -1.0f,
- pow(2.0 * M_PI, 2) / (2 * 1),
- -pow(2.0 * M_PI, 4) / (4 * 3 * 2 * 1),
- pow(2.0 * M_PI, 6) / (6 * 5 * 4 * 3 * 2 * 1),
- -pow(2.0 * M_PI, 8) / (8 * 7 * 6 * 5 * 4 * 3 * 2 * 1),
- pow(2.0 * M_PI, 10) / (10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1),
+ 1.0f,
+ -pow(2.0 * M_PI, 2) / (2 * 1),
+ pow(2.0 * M_PI, 4) / (4 * 3 * 2 * 1),
+ -pow(2.0 * M_PI, 6) / (6 * 5 * 4 * 3 * 2 * 1),
+ pow(2.0 * M_PI, 8) / (8 * 7 * 6 * 5 * 4 * 3 * 2 * 1),
+ -pow(2.0 * M_PI, 10) / (10 * 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1),
};
- struct qreg scaled_x =
- qir_FMUL(c, src,
- qir_uniform_f(c, 1.0f / (M_PI * 2.0f)));
- struct qreg x_frac = qir_FADD(c,
- ntq_ffract(c, scaled_x),
- qir_uniform_f(c, -0.5));
-
+ struct qreg x_frac = ntq_shrink_sincos_input_range(c, src);
struct qreg sum = qir_uniform_f(c, coeff[0]);
struct qreg x2 = qir_FMUL(c, x_frac, x_frac);
struct qreg x = x2; /* Current x^2, x^4, or x^6 */
if (i != 1)
x = qir_FMUL(c, x, x2);
- struct qreg mul = qir_FMUL(c,
+ sum = qir_FADD(c, qir_FMUL(c,
x,
- qir_uniform_f(c, coeff[i]));
- if (i == 0)
- sum = mul;
- else
- sum = qir_FADD(c, sum, mul);
+ qir_uniform_f(c, coeff[i])),
+ sum);
}
return sum;
}
c->output_slots[decl_offset].swizzle = swizzle;
}
-static void
-declare_uniform_range(struct vc4_compile *c, uint32_t start, uint32_t size)
-{
- unsigned array_id = c->num_uniform_ranges++;
- if (array_id >= c->ubo_ranges_array_size) {
- c->ubo_ranges_array_size = MAX2(c->ubo_ranges_array_size * 2,
- array_id + 1);
- c->ubo_ranges = reralloc(c, c->ubo_ranges,
- struct vc4_compiler_ubo_range,
- c->ubo_ranges_array_size);
- }
-
- c->ubo_ranges[array_id].dst_offset = 0;
- c->ubo_ranges[array_id].src_offset = start;
- c->ubo_ranges[array_id].size = size;
- c->ubo_ranges[array_id].used = false;
-}
-
static bool
ntq_src_is_only_ssa_def_user(nir_src *src)
{
enum qpu_cond cond;
switch (compare_instr->op) {
- case nir_op_feq:
- case nir_op_ieq:
+ case nir_op_feq32:
+ case nir_op_ieq32:
case nir_op_seq:
cond = QPU_COND_ZS;
break;
- case nir_op_fne:
- case nir_op_ine:
+ case nir_op_fne32:
+ case nir_op_ine32:
case nir_op_sne:
cond = QPU_COND_ZC;
break;
- case nir_op_fge:
- case nir_op_ige:
- case nir_op_uge:
+ case nir_op_fge32:
+ case nir_op_ige32:
+ case nir_op_uge32:
case nir_op_sge:
cond = QPU_COND_NC;
break;
- case nir_op_flt:
- case nir_op_ilt:
+ case nir_op_flt32:
+ case nir_op_ilt32:
case nir_op_slt:
cond = QPU_COND_NS;
break;
qir_uniform_f(c, 1.0), qir_uniform_f(c, 0.0));
break;
- case nir_op_bcsel:
+ case nir_op_b32csel:
*dest = qir_SEL(c, cond,
ntq_get_alu_src(c, sel_instr, 1),
ntq_get_alu_src(c, sel_instr, 2));
struct qreg result;
switch (instr->op) {
- case nir_op_fmov:
- case nir_op_imov:
+ case nir_op_mov:
result = qir_MOV(c, src[0]);
break;
case nir_op_fmul:
case nir_op_u2f32:
result = qir_ITOF(c, src[0]);
break;
- case nir_op_b2f:
+ case nir_op_b2f32:
result = qir_AND(c, src[0], qir_uniform_f(c, 1.0));
break;
- case nir_op_b2i:
+ case nir_op_b2i32:
result = qir_AND(c, src[0], qir_uniform_ui(c, 1));
break;
- case nir_op_i2b:
- case nir_op_f2b:
+ case nir_op_i2b32:
+ case nir_op_f2b32:
qir_SF(c, src[0]);
result = qir_MOV(c, qir_SEL(c, QPU_COND_ZC,
qir_uniform_ui(c, ~0),
case nir_op_sne:
case nir_op_sge:
case nir_op_slt:
- case nir_op_feq:
- case nir_op_fne:
- case nir_op_fge:
- case nir_op_flt:
- case nir_op_ieq:
- case nir_op_ine:
- case nir_op_ige:
- case nir_op_uge:
- case nir_op_ilt:
+ case nir_op_feq32:
+ case nir_op_fne32:
+ case nir_op_fge32:
+ case nir_op_flt32:
+ case nir_op_ieq32:
+ case nir_op_ine32:
+ case nir_op_ige32:
+ case nir_op_uge32:
+ case nir_op_ilt32:
if (!ntq_emit_comparison(c, &result, instr, instr)) {
fprintf(stderr, "Bad comparison instruction\n");
}
break;
- case nir_op_bcsel:
+ case nir_op_b32csel:
result = ntq_emit_bcsel(c, instr, src);
break;
case nir_op_fcsel:
else
point_size = qir_uniform_f(c, 1.0);
- /* Workaround: HW-2726 PTB does not handle zero-size points (BCM2835,
- * BCM21553).
- */
- point_size = qir_FMAX(c, point_size, qir_uniform_f(c, .125));
-
qir_VPM_WRITE(c, point_size);
}
vc4_optimize_nir(struct nir_shader *s)
{
bool progress;
+ unsigned lower_flrp =
+ (s->options->lower_flrp16 ? 16 : 0) |
+ (s->options->lower_flrp32 ? 32 : 0) |
+ (s->options->lower_flrp64 ? 64 : 0);
do {
progress = false;
NIR_PASS_V(s, nir_lower_vars_to_ssa);
- NIR_PASS(progress, s, nir_lower_alu_to_scalar);
+ NIR_PASS(progress, s, nir_lower_alu_to_scalar, NULL, NULL);
NIR_PASS(progress, s, nir_lower_phis_to_scalar);
NIR_PASS(progress, s, nir_copy_prop);
NIR_PASS(progress, s, nir_opt_remove_phis);
NIR_PASS(progress, s, nir_opt_dce);
NIR_PASS(progress, s, nir_opt_dead_cf);
NIR_PASS(progress, s, nir_opt_cse);
- NIR_PASS(progress, s, nir_opt_peephole_select, 8);
+ NIR_PASS(progress, s, nir_opt_peephole_select, 8, true, true);
NIR_PASS(progress, s, nir_opt_algebraic);
NIR_PASS(progress, s, nir_opt_constant_folding);
+ if (lower_flrp != 0) {
+ bool lower_flrp_progress = false;
+
+ NIR_PASS(lower_flrp_progress, s, nir_lower_flrp,
+ lower_flrp,
+ false /* always_precise */,
+ s->options->lower_ffma);
+ if (lower_flrp_progress) {
+ NIR_PASS(progress, s, nir_opt_constant_folding);
+ progress = true;
+ }
+
+ /* Nothing should rematerialize any flrps, so we only
+ * need to do this lowering once.
+ */
+ lower_flrp = 0;
+ }
+
NIR_PASS(progress, s, nir_opt_undef);
NIR_PASS(progress, s, nir_opt_loop_unroll,
nir_var_shader_in |
nir_var_shader_out |
- nir_var_local);
+ nir_var_function_temp);
} while (progress);
}
}
}
-static void
-ntq_setup_uniforms(struct vc4_compile *c)
-{
- nir_foreach_variable(var, &c->s->uniforms) {
- uint32_t vec4_count = type_size(var->type);
- unsigned vec4_size = 4 * sizeof(float);
-
- declare_uniform_range(c, var->data.driver_location * vec4_size,
- vec4_count * vec4_size);
-
- }
-}
-
/**
* Sets up the mapping from nir_register to struct qreg *.
*
{
struct qreg *qregs = ntq_init_ssa_def(c, &instr->def);
for (int i = 0; i < instr->def.num_components; i++)
- qregs[i] = qir_uniform_ui(c, instr->value.u32[i]);
+ qregs[i] = qir_uniform_ui(c, instr->value[i].u32);
_mesa_hash_table_insert(c->def_ht, &instr->def, qregs);
}
static void
ntq_emit_color_read(struct vc4_compile *c, nir_intrinsic_instr *instr)
{
- assert(nir_src_as_const_value(instr->src[0])->u32[0] == 0);
+ assert(nir_src_as_uint(instr->src[0]) == 0);
/* Reads of the per-sample color need to be done in
* order.
ntq_emit_load_input(struct vc4_compile *c, nir_intrinsic_instr *instr)
{
assert(instr->num_components == 1);
-
- nir_const_value *const_offset = nir_src_as_const_value(instr->src[0]);
- assert(const_offset && "vc4 doesn't support indirect inputs");
+ assert(nir_src_is_const(instr->src[0]) &&
+ "vc4 doesn't support indirect inputs");
if (c->stage == QSTAGE_FRAG &&
nir_intrinsic_base(instr) >= VC4_NIR_TLB_COLOR_READ_INPUT) {
return;
}
- uint32_t offset = nir_intrinsic_base(instr) + const_offset->u32[0];
+ uint32_t offset = nir_intrinsic_base(instr) +
+ nir_src_as_uint(instr->src[0]);
int comp = nir_intrinsic_component(instr);
ntq_store_dest(c, &instr->dest, 0,
qir_MOV(c, c->inputs[offset * 4 + comp]));
static void
ntq_emit_intrinsic(struct vc4_compile *c, nir_intrinsic_instr *instr)
{
- nir_const_value *const_offset;
unsigned offset;
switch (instr->intrinsic) {
case nir_intrinsic_load_uniform:
assert(instr->num_components == 1);
- const_offset = nir_src_as_const_value(instr->src[0]);
- if (const_offset) {
- offset = nir_intrinsic_base(instr) + const_offset->u32[0];
+ if (nir_src_is_const(instr->src[0])) {
+ offset = nir_intrinsic_base(instr) +
+ nir_src_as_uint(instr->src[0]);
assert(offset % 4 == 0);
/* We need dwords */
offset = offset / 4;
0));
break;
- case nir_intrinsic_load_alpha_ref_float:
- ntq_store_dest(c, &instr->dest, 0,
- qir_uniform(c, QUNIFORM_ALPHA_REF, 0));
- break;
-
case nir_intrinsic_load_sample_mask_in:
ntq_store_dest(c, &instr->dest, 0,
qir_uniform(c, QUNIFORM_SAMPLE_MASK, 0));
break;
case nir_intrinsic_store_output:
- const_offset = nir_src_as_const_value(instr->src[1]);
- assert(const_offset && "vc4 doesn't support indirect outputs");
- offset = nir_intrinsic_base(instr) + const_offset->u32[0];
+ assert(nir_src_is_const(instr->src[1]) &&
+ "vc4 doesn't support indirect outputs");
+ offset = nir_intrinsic_base(instr) +
+ nir_src_as_uint(instr->src[1]);
/* MSAA color outputs are the only case where we have an
* output that's not lowered to being a store of a single 32
ntq_setup_inputs(c);
ntq_setup_outputs(c);
- ntq_setup_uniforms(c);
- ntq_setup_registers(c, &c->s->registers);
/* Find the main function and emit the body. */
nir_foreach_function(function, c->s) {
.lower_fdiv = true,
.lower_ffma = true,
.lower_flrp32 = true,
+ .lower_fmod = true,
.lower_fpow = true,
.lower_fsat = true,
.lower_fsqrt = true,
.lower_ldexp = true,
.lower_negate = true,
- .native_integers = true,
+ .lower_rotate = true,
+ .lower_to_scalar = true,
.max_unroll_iterations = 32,
};
c->s = nir_shader_clone(c, key->shader_state->base.ir.nir);
- if (stage == QSTAGE_FRAG) {
- if (c->fs_key->alpha_test_func != COMPARE_FUNC_ALWAYS) {
- NIR_PASS_V(c->s, nir_lower_alpha_test,
- c->fs_key->alpha_test_func,
- c->fs_key->sample_alpha_to_one &&
- c->fs_key->msaa);
- }
+ if (stage == QSTAGE_FRAG)
NIR_PASS_V(c->s, vc4_nir_lower_blend, c);
- }
struct nir_lower_tex_options tex_options = {
/* We would need to implement txs, but we don't want the
if (c->key->ucp_enables) {
if (stage == QSTAGE_FRAG) {
- NIR_PASS_V(c->s, nir_lower_clip_fs, c->key->ucp_enables);
+ NIR_PASS_V(c->s, nir_lower_clip_fs,
+ c->key->ucp_enables, false);
} else {
- NIR_PASS_V(c->s, nir_lower_clip_vs, c->key->ucp_enables);
+ NIR_PASS_V(c->s, nir_lower_clip_vs,
+ c->key->ucp_enables, false, false, NULL);
NIR_PASS_V(c->s, nir_lower_io_to_scalar,
nir_var_shader_out);
}
vc4_optimize_nir(c->s);
+ /* Do late algebraic optimization to turn add(a, neg(b)) back into
+ * subs, then the mandatory cleanup after algebraic. Note that it may
+ * produce fnegs, and if so then we need to keep running to squash
+ * fneg(fneg(a)).
+ */
+ bool more_late_algebraic = true;
+ while (more_late_algebraic) {
+ more_late_algebraic = false;
+ NIR_PASS(more_late_algebraic, c->s, nir_opt_algebraic_late);
+ NIR_PASS_V(c->s, nir_opt_constant_folding);
+ NIR_PASS_V(c->s, nir_copy_prop);
+ NIR_PASS_V(c->s, nir_opt_dce);
+ NIR_PASS_V(c->s, nir_opt_cse);
+ }
+
+ NIR_PASS_V(c->s, nir_lower_bool_to_int32);
+
NIR_PASS_V(c->s, nir_convert_from_ssa, true);
if (vc4_debug & VC4_DEBUG_SHADERDB) {
* creation.
*/
s = cso->ir.nir;
-
- NIR_PASS_V(s, nir_lower_io, nir_var_all, type_size,
- (nir_lower_io_options)0);
- } else {
+ } else {
assert(cso->type == PIPE_SHADER_IR_TGSI);
if (vc4_debug & VC4_DEBUG_TGSI) {
tgsi_dump(cso->tokens, 0);
fprintf(stderr, "\n");
}
- s = tgsi_to_nir(cso->tokens, &nir_options);
+ s = tgsi_to_nir(cso->tokens, pctx->screen);
}
- NIR_PASS_V(s, nir_opt_global_to_local);
+ if (s->info.stage == MESA_SHADER_VERTEX)
+ NIR_PASS_V(s, nir_lower_point_size, 1.0f, 0.0f);
+
+ NIR_PASS_V(s, nir_lower_io, nir_var_all, type_size,
+ (nir_lower_io_options)0);
+
NIR_PASS_V(s, nir_lower_regs_to_ssa);
NIR_PASS_V(s, nir_normalize_cubemap_coords);
vc4_optimize_nir(s);
- NIR_PASS_V(s, nir_remove_dead_variables, nir_var_local);
+ NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp);
/* Garbage collect dead instructions */
nir_sweep(s);
shader->fs_threaded = c->fs_threaded;
- /* Copy the compiler UBO range state to the compiled shader, dropping
- * out arrays that were never referenced by an indirect load.
- *
- * (Note that QIR dead code elimination of an array access still
- * leaves that array alive, though)
- */
- if (c->num_ubo_ranges) {
- shader->num_ubo_ranges = c->num_ubo_ranges;
- shader->ubo_ranges = ralloc_array(shader, struct vc4_ubo_range,
- c->num_ubo_ranges);
- uint32_t j = 0;
- for (int i = 0; i < c->num_uniform_ranges; i++) {
- struct vc4_compiler_ubo_range *range =
- &c->ubo_ranges[i];
- if (!range->used)
- continue;
-
- shader->ubo_ranges[j].dst_offset = range->dst_offset;
- shader->ubo_ranges[j].src_offset = range->src_offset;
- shader->ubo_ranges[j].size = range->size;
- shader->ubo_size += c->ubo_ranges[i].size;
- j++;
- }
- }
- if (shader->ubo_size) {
- if (vc4_debug & VC4_DEBUG_SHADERDB) {
- fprintf(stderr, "SHADER-DB: %s prog %d/%d: %d UBO uniforms\n",
- qir_get_stage_name(c->stage),
- c->program_id, c->variant_id,
- shader->ubo_size / 4);
- }
- }
-
if ((vc4_debug & VC4_DEBUG_SHADERDB) && stage == QSTAGE_FRAG) {
fprintf(stderr, "SHADER-DB: %s prog %d/%d: %d FS threads\n",
qir_get_stage_name(c->stage),
struct vc4_context *vc4 = vc4_context(pctx);
struct vc4_uncompiled_shader *so = hwcso;
- struct hash_entry *entry;
hash_table_foreach(vc4->fs_cache, entry) {
delete_from_cache_if_matches(vc4->fs_cache, &vc4->prog.fs,
entry, so);
{
struct vc4_context *vc4 = vc4_context(pctx);
- struct hash_entry *entry;
hash_table_foreach(vc4->fs_cache, entry) {
struct vc4_compiled_shader *shader = entry->data;
vc4_bo_unreference(&shader->bo);
projects / mesa.git / blobdiff