fs_visitor::emit_vs_system_value(int location)
{
fs_reg *reg = new(this->mem_ctx)
- fs_reg(ATTR, 4 * _mesa_bitcount_64(nir->info.inputs_read),
+ fs_reg(ATTR, 4 * (_mesa_bitcount_64(nir->info.inputs_read) +
+ _mesa_bitcount_64(nir->info.double_inputs_read)),
BRW_REGISTER_TYPE_D);
- brw_vs_prog_data *vs_prog_data = (brw_vs_prog_data *) prog_data;
+ struct brw_vs_prog_data *vs_prog_data = brw_vs_prog_data(prog_data);
switch (location) {
case SYSTEM_VALUE_BASE_VERTEX:
- reg->reg_offset = 0;
+ reg->offset = 0;
vs_prog_data->uses_basevertex = true;
break;
case SYSTEM_VALUE_BASE_INSTANCE:
- reg->reg_offset = 1;
+ reg->offset = REG_SIZE;
vs_prog_data->uses_baseinstance = true;
break;
case SYSTEM_VALUE_VERTEX_ID:
unreachable("should have been lowered");
case SYSTEM_VALUE_VERTEX_ID_ZERO_BASE:
- reg->reg_offset = 2;
+ reg->offset = 2 * REG_SIZE;
vs_prog_data->uses_vertexid = true;
break;
case SYSTEM_VALUE_INSTANCE_ID:
- reg->reg_offset = 3;
+ reg->offset = 3 * REG_SIZE;
vs_prog_data->uses_instanceid = true;
break;
case SYSTEM_VALUE_DRAW_ID:
BITFIELD64_BIT(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE) |
BITFIELD64_BIT(SYSTEM_VALUE_INSTANCE_ID)))
reg->nr += 4;
- reg->reg_offset = 0;
+ reg->offset = 0;
vs_prog_data->uses_drawid = true;
break;
default:
/* We only care about one or two regs of response, but the sampler always
* writes 4/8.
*/
- inst->regs_written = 4 * dispatch_width / 8;
+ inst->size_written = 4 * dest.component_size(inst->exec_size);
return dest;
}
/* Tell the SF we don't have any inputs. Gen4-5 require at least one
* varying to avoid GPU hangs, so set that.
*/
- brw_wm_prog_data *wm_prog_data = (brw_wm_prog_data *) this->prog_data;
+ struct brw_wm_prog_data *wm_prog_data = brw_wm_prog_data(this->prog_data);
wm_prog_data->num_varying_inputs = devinfo->gen < 6 ? 1 : 0;
memset(wm_prog_data->urb_setup, -1,
sizeof(wm_prog_data->urb_setup[0]) * VARYING_SLOT_MAX);
stage_prog_data->nr_pull_params = 0;
stage_prog_data->curb_read_length = 0;
stage_prog_data->dispatch_grf_start_reg = 2;
- wm_prog_data->dispatch_grf_start_reg_16 = 2;
+ wm_prog_data->dispatch_grf_start_reg_2 = 2;
grf_used = 1; /* Gen4-5 don't allow zero GRF blocks */
calculate_cfg();
fs_visitor::interp_reg(int location, int channel)
{
assert(stage == MESA_SHADER_FRAGMENT);
- brw_wm_prog_data *prog_data = (brw_wm_prog_data*) this->prog_data;
+ struct brw_wm_prog_data *prog_data = brw_wm_prog_data(this->prog_data);
int regnr = prog_data->urb_setup[location] * 2 + channel / 2;
int stride = (channel & 1) * 4;
abld = bld.annotate("compute pixel deltas from v0");
- this->delta_xy[BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC] =
+ this->delta_xy[BRW_BARYCENTRIC_PERSPECTIVE_PIXEL] =
vgrf(glsl_type::vec2_type);
- const fs_reg &delta_xy = this->delta_xy[BRW_WM_PERSPECTIVE_PIXEL_BARYCENTRIC];
+ const fs_reg &delta_xy = this->delta_xy[BRW_BARYCENTRIC_PERSPECTIVE_PIXEL];
const fs_reg xstart(negate(brw_vec1_grf(1, 0)));
const fs_reg ystart(negate(brw_vec1_grf(1, 1)));
this->wpos_w = vgrf(glsl_type::float_type);
abld.emit(SHADER_OPCODE_RCP, this->wpos_w, this->pixel_w);
- for (int i = 0; i < BRW_WM_BARYCENTRIC_INTERP_MODE_COUNT; ++i) {
+ struct brw_wm_prog_data *wm_prog_data = brw_wm_prog_data(prog_data);
+ uint32_t centroid_modes = wm_prog_data->barycentric_interp_modes &
+ (1 << BRW_BARYCENTRIC_PERSPECTIVE_CENTROID |
+ 1 << BRW_BARYCENTRIC_NONPERSPECTIVE_CENTROID);
+
+ for (int i = 0; i < BRW_BARYCENTRIC_MODE_COUNT; ++i) {
uint8_t reg = payload.barycentric_coord_reg[i];
this->delta_xy[i] = fs_reg(brw_vec16_grf(reg, 0));
+
+ if (devinfo->needs_unlit_centroid_workaround &&
+ (centroid_modes & (1 << i))) {
+ /* Get the pixel/sample mask into f0 so that we know which
+ * pixels are lit. Then, for each channel that is unlit,
+ * replace the centroid data with non-centroid data.
+ */
+ bld.emit(FS_OPCODE_MOV_DISPATCH_TO_FLAGS);
+
+ uint8_t pixel_reg = payload.barycentric_coord_reg[i - 1];
+
+ set_predicate_inv(BRW_PREDICATE_NORMAL, true,
+ bld.half(0).MOV(brw_vec8_grf(reg, 0),
+ brw_vec8_grf(pixel_reg, 0)));
+ set_predicate_inv(BRW_PREDICATE_NORMAL, true,
+ bld.half(0).MOV(brw_vec8_grf(reg + 1, 0),
+ brw_vec8_grf(pixel_reg + 1, 0)));
+ if (dispatch_width == 16) {
+ set_predicate_inv(BRW_PREDICATE_NORMAL, true,
+ bld.half(1).MOV(brw_vec8_grf(reg + 2, 0),
+ brw_vec8_grf(pixel_reg + 2, 0)));
+ set_predicate_inv(BRW_PREDICATE_NORMAL, true,
+ bld.half(1).MOV(brw_vec8_grf(reg + 3, 0),
+ brw_vec8_grf(pixel_reg + 3, 0)));
+ }
+ assert(dispatch_width != 32); /* not implemented yet */
+ }
}
}
fs_reg src0_alpha, unsigned components)
{
assert(stage == MESA_SHADER_FRAGMENT);
- brw_wm_prog_data *prog_data = (brw_wm_prog_data*) this->prog_data;
+ struct brw_wm_prog_data *prog_data = brw_wm_prog_data(this->prog_data);
/* Hand over gl_FragDepth or the payload depth. */
const fs_reg dst_depth = (payload.dest_depth_reg ?
const fs_reg sources[] = {
color0, color1, src0_alpha, src_depth, dst_depth, src_stencil,
- sample_mask, brw_imm_ud(components)
+ (prog_data->uses_omask ? sample_mask : fs_reg()),
+ brw_imm_ud(components)
};
assert(ARRAY_SIZE(sources) - 1 == FB_WRITE_LOGICAL_SRC_COMPONENTS);
fs_inst *write = bld.emit(FS_OPCODE_FB_WRITE_LOGICAL, fs_reg(),
fs_visitor::emit_fb_writes()
{
assert(stage == MESA_SHADER_FRAGMENT);
- brw_wm_prog_data *prog_data = (brw_wm_prog_data*) this->prog_data;
+ struct brw_wm_prog_data *prog_data = brw_wm_prog_data(this->prog_data);
brw_wm_prog_key *key = (brw_wm_prog_key*) this->key;
fs_inst *inst = NULL;
* sounds because the SIMD8 single-source message lacks channel selects
* for the second and third subspans.
*/
- no16("Missing support for simd16 depth writes on gen6\n");
+ limit_dispatch_width(8, "Depth writes unsupported in SIMD16+ mode.\n");
}
if (nir->info.outputs_written & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
/* From the 'Render Target Write message' section of the docs:
* "Output Stencil is not supported with SIMD16 Render Target Write
* Messages."
- *
- * FINISHME: split 16 into 2 8s
*/
- no16("FINISHME: support 2 simd8 writes for gl_FragStencilRefARB\n");
+ limit_dispatch_width(8, "gl_FragStencilRefARB unsupported "
+ "in SIMD16+ mode.\n");
}
- if (do_dual_src) {
- const fs_builder abld = bld.annotate("FB dual-source write");
+ for (int target = 0; target < key->nr_color_regions; target++) {
+ /* Skip over outputs that weren't written. */
+ if (this->outputs[target].file == BAD_FILE)
+ continue;
- inst = emit_single_fb_write(abld, this->outputs[0],
- this->dual_src_output, reg_undef, 4);
- inst->target = 0;
+ const fs_builder abld = bld.annotate(
+ ralloc_asprintf(this->mem_ctx, "FB write target %d", target));
- prog_data->dual_src_blend = true;
- } else {
- for (int target = 0; target < key->nr_color_regions; target++) {
- /* Skip over outputs that weren't written. */
- if (this->outputs[target].file == BAD_FILE)
- continue;
-
- const fs_builder abld = bld.annotate(
- ralloc_asprintf(this->mem_ctx, "FB write target %d", target));
-
- fs_reg src0_alpha;
- if (devinfo->gen >= 6 && key->replicate_alpha && target != 0)
- src0_alpha = offset(outputs[0], bld, 3);
-
- inst = emit_single_fb_write(abld, this->outputs[target], reg_undef,
- src0_alpha,
- this->output_components[target]);
- inst->target = target;
- }
+ fs_reg src0_alpha;
+ if (devinfo->gen >= 6 && key->replicate_alpha && target != 0)
+ src0_alpha = offset(outputs[0], bld, 3);
+
+ inst = emit_single_fb_write(abld, this->outputs[target],
+ this->dual_src_output, src0_alpha, 4);
+ inst->target = target;
}
+ prog_data->dual_src_blend = (this->dual_src_output.file != BAD_FILE);
+ assert(!prog_data->dual_src_blend || key->nr_color_regions == 1);
+
if (inst == NULL) {
/* Even if there's no color buffers enabled, we still need to send
* alpha out the pipeline to our null renderbuffer to support
*/
void fs_visitor::compute_clip_distance(gl_clip_plane *clip_planes)
{
- struct brw_vue_prog_data *vue_prog_data =
- (struct brw_vue_prog_data *) prog_data;
+ struct brw_vue_prog_data *vue_prog_data = brw_vue_prog_data(prog_data);
const struct brw_vs_prog_key *key =
(const struct brw_vs_prog_key *) this->key;
const fs_builder abld = bld.annotate("user clip distances");
this->outputs[VARYING_SLOT_CLIP_DIST0] = vgrf(glsl_type::vec4_type);
- this->output_components[VARYING_SLOT_CLIP_DIST0] = 4;
this->outputs[VARYING_SLOT_CLIP_DIST1] = vgrf(glsl_type::vec4_type);
- this->output_components[VARYING_SLOT_CLIP_DIST1] = 4;
for (int i = 0; i < key->nr_userclip_plane_consts; i++) {
fs_reg u = userplane[i];
- fs_reg output = outputs[VARYING_SLOT_CLIP_DIST0 + i / 4];
- output.reg_offset = i & 3;
+ const fs_reg output = offset(outputs[VARYING_SLOT_CLIP_DIST0 + i / 4],
+ bld, i & 3);
abld.MUL(output, outputs[clip_vertex], u);
for (int j = 1; j < 4; j++) {
int slot, urb_offset, length;
int starting_urb_offset = 0;
const struct brw_vue_prog_data *vue_prog_data =
- (const struct brw_vue_prog_data *) this->prog_data;
+ brw_vue_prog_data(this->prog_data);
const struct brw_vs_prog_key *vs_key =
(const struct brw_vs_prog_key *) this->key;
const GLbitfield64 psiz_mask =
* "The write data payload can be between 1 and 8 message phases long."
*/
if (vue_map->slots_valid == 0) {
+ /* For GS, just turn EmitVertex() into a no-op. We don't want it to
+ * end the thread, and emit_gs_thread_end() already emits a SEND with
+ * EOT at the end of the program for us.
+ */
+ if (stage == MESA_SHADER_GEOMETRY)
+ return;
+
fs_reg payload = fs_reg(VGRF, alloc.allocate(2), BRW_REGISTER_TYPE_UD);
bld.exec_all().MOV(payload, urb_handle);
if (stage == MESA_SHADER_GEOMETRY) {
const struct brw_gs_prog_data *gs_prog_data =
- (const struct brw_gs_prog_data *) this->prog_data;
+ brw_gs_prog_data(this->prog_data);
/* We need to increment the Global Offset to skip over the control data
* header and the extra "Vertex Count" field (1 HWord) at the beginning
sources[length++] = reg;
}
} else {
- for (unsigned i = 0; i < output_components[varying]; i++)
+ for (unsigned i = 0; i < 4; i++)
sources[length++] = offset(this->outputs[varying], bld, i);
- for (unsigned i = output_components[varying]; i < 4; i++)
- sources[length++] = brw_imm_d(0);
}
break;
}
}
if (stage == MESA_SHADER_COMPUTE) {
- const brw_cs_prog_data *cs_prog_data =
- (const brw_cs_prog_data *) prog_data;
+ const struct brw_cs_prog_data *cs_prog_data = brw_cs_prog_data(prog_data);
unsigned size = cs_prog_data->local_size[0] *
cs_prog_data->local_size[1] *
cs_prog_data->local_size[2];
min_dispatch_width = 8;
}
+ this->max_dispatch_width = 32;
this->prog_data = this->stage_prog_data;
this->failed = false;
- this->simd16_unsupported = false;
- this->no16_msg = NULL;
this->nir_locals = NULL;
this->nir_ssa_values = NULL;
memset(&this->payload, 0, sizeof(this->payload));
- memset(this->output_components, 0, sizeof(this->output_components));
this->source_depth_to_render_target = false;
this->runtime_check_aads_emit = false;
this->first_non_payload_grf = 0;
this->promoted_constants = 0,
this->spilled_any_registers = false;
- this->do_dual_src = false;
}
fs_visitor::~fs_visitor()