#include "compiler/nir/nir.h"
#include "compiler/nir_types.h"
+#include "compiler/nir/nir_builder.h"
+#include "compiler/nir/nir_deref.h"
static nir_variable* tex_get_texture_var(nir_tex_instr *instr)
{
return nir_deref_instr_get_variable(nir_src_as_deref(instr->src[0]));
}
-static void scan_instruction(struct tgsi_shader_info *info,
+static void gather_usage_helper(const nir_deref_instr **deref_ptr,
+ unsigned location,
+ uint8_t mask,
+ uint8_t *usage_mask)
+{
+ for (; *deref_ptr; deref_ptr++) {
+ const nir_deref_instr *deref = *deref_ptr;
+ switch (deref->deref_type) {
+ case nir_deref_type_array: {
+ unsigned elem_size =
+ glsl_count_attribute_slots(deref->type, false);
+ if (nir_src_is_const(deref->arr.index)) {
+ location += elem_size * nir_src_as_uint(deref->arr.index);
+ } else {
+ unsigned array_elems =
+ glsl_get_length(deref_ptr[-1]->type);
+ for (unsigned i = 0; i < array_elems; i++) {
+ gather_usage_helper(deref_ptr + 1,
+ location + elem_size * i,
+ mask, usage_mask);
+ }
+ return;
+ }
+ break;
+ }
+ case nir_deref_type_struct: {
+ const struct glsl_type *parent_type =
+ deref_ptr[-1]->type;
+ unsigned index = deref->strct.index;
+ for (unsigned i = 0; i < index; i++) {
+ const struct glsl_type *ft = glsl_get_struct_field(parent_type, i);
+ location += glsl_count_attribute_slots(ft, false);
+ }
+ break;
+ }
+ default:
+ unreachable("Unhandled deref type in gather_components_used_helper");
+ }
+ }
+
+ usage_mask[location] |= mask & 0xf;
+ if (mask & 0xf0)
+ usage_mask[location + 1] |= (mask >> 4) & 0xf;
+}
+
+static void gather_usage(const nir_deref_instr *deref,
+ uint8_t mask,
+ uint8_t *usage_mask)
+{
+ nir_deref_path path;
+ nir_deref_path_init(&path, (nir_deref_instr *)deref, NULL);
+
+ unsigned location_frac = path.path[0]->var->data.location_frac;
+ if (glsl_type_is_64bit(deref->type)) {
+ uint8_t new_mask = 0;
+ for (unsigned i = 0; i < 4; i++) {
+ if (mask & (1 << i))
+ new_mask |= 0x3 << (2 * i);
+ }
+ mask = new_mask << location_frac;
+ } else {
+ mask <<= location_frac;
+ mask &= 0xf;
+ }
+
+ gather_usage_helper((const nir_deref_instr **)&path.path[1],
+ path.path[0]->var->data.driver_location,
+ mask, usage_mask);
+
+ nir_deref_path_finish(&path);
+}
+
+static void gather_intrinsic_load_deref_input_info(const nir_shader *nir,
+ const nir_intrinsic_instr *instr,
+ const nir_deref_instr *deref,
+ struct tgsi_shader_info *info)
+{
+ switch (nir->info.stage) {
+ case MESA_SHADER_VERTEX:
+ gather_usage(deref, nir_ssa_def_components_read(&instr->dest.ssa),
+ info->input_usage_mask);
+ default:;
+ }
+}
+
+static void gather_intrinsic_load_deref_output_info(const nir_shader *nir,
+ const nir_intrinsic_instr *instr,
+ nir_variable *var,
+ struct tgsi_shader_info *info)
+{
+ assert(var && var->data.mode == nir_var_shader_out);
+
+ switch (nir->info.stage) {
+ case MESA_SHADER_TESS_CTRL:
+ if (var->data.location == VARYING_SLOT_TESS_LEVEL_INNER ||
+ var->data.location == VARYING_SLOT_TESS_LEVEL_OUTER)
+ info->reads_tessfactor_outputs = true;
+ else if (var->data.patch)
+ info->reads_perpatch_outputs = true;
+ else
+ info->reads_pervertex_outputs = true;
+ break;
+
+ case MESA_SHADER_FRAGMENT:
+ if (var->data.fb_fetch_output)
+ info->uses_fbfetch = true;
+ break;
+ default:;
+ }
+}
+
+static void gather_intrinsic_store_deref_output_info(const nir_shader *nir,
+ const nir_intrinsic_instr *instr,
+ const nir_deref_instr *deref,
+ struct tgsi_shader_info *info)
+{
+ switch (nir->info.stage) {
+ case MESA_SHADER_VERTEX: /* needed by LS, ES */
+ case MESA_SHADER_TESS_EVAL: /* needed by ES */
+ case MESA_SHADER_GEOMETRY:
+ gather_usage(deref, nir_intrinsic_write_mask(instr),
+ info->output_usagemask);
+ break;
+ default:;
+ }
+}
+
+static void scan_instruction(const struct nir_shader *nir,
+ struct tgsi_shader_info *info,
nir_instr *instr)
{
if (instr->type == nir_instr_type_alu) {
case nir_intrinsic_load_base_vertex:
info->uses_basevertex = 1;
break;
+ case nir_intrinsic_load_draw_id:
+ info->uses_drawid = 1;
+ break;
case nir_intrinsic_load_primitive_id:
info->uses_primid = 1;
break;
case nir_intrinsic_load_tess_level_outer:
info->reads_tess_factors = true;
break;
- case nir_intrinsic_image_deref_load: {
- nir_variable *var = intrinsic_get_var(intr);
- if (var->data.bindless) {
- info->uses_bindless_images = true;
+ case nir_intrinsic_bindless_image_load:
+ info->uses_bindless_images = true;
- if (glsl_get_sampler_dim(var->type) == GLSL_SAMPLER_DIM_BUF)
- info->uses_bindless_buffer_load = true;
- else
- info->uses_bindless_image_load = true;
- }
+ if (nir_intrinsic_image_dim(intr) == GLSL_SAMPLER_DIM_BUF)
+ info->uses_bindless_buffer_load = true;
+ else
+ info->uses_bindless_image_load = true;
break;
- }
- case nir_intrinsic_image_deref_size:
- case nir_intrinsic_image_deref_samples: {
- nir_variable *var = intrinsic_get_var(intr);
- if (var->data.bindless)
- info->uses_bindless_images = true;
+ case nir_intrinsic_bindless_image_size:
+ case nir_intrinsic_bindless_image_samples:
+ info->uses_bindless_images = true;
break;
- }
- case nir_intrinsic_image_deref_store: {
- nir_variable *var = intrinsic_get_var(intr);
- if (var->data.bindless) {
- info->uses_bindless_images = true;
+ case nir_intrinsic_bindless_image_store:
+ info->uses_bindless_images = true;
+
+ if (nir_intrinsic_image_dim(intr) == GLSL_SAMPLER_DIM_BUF)
+ info->uses_bindless_buffer_store = true;
+ else
+ info->uses_bindless_image_store = true;
- if (glsl_get_sampler_dim(var->type) == GLSL_SAMPLER_DIM_BUF)
- info->uses_bindless_buffer_store = true;
- else
- info->uses_bindless_image_store = true;
- }
info->writes_memory = true;
+ info->num_memory_instructions++; /* we only care about stores */
+ break;
+ case nir_intrinsic_image_deref_store:
+ info->writes_memory = true;
+ info->num_memory_instructions++; /* we only care about stores */
+ break;
+ case nir_intrinsic_bindless_image_atomic_add:
+ case nir_intrinsic_bindless_image_atomic_imin:
+ case nir_intrinsic_bindless_image_atomic_umin:
+ case nir_intrinsic_bindless_image_atomic_imax:
+ case nir_intrinsic_bindless_image_atomic_umax:
+ case nir_intrinsic_bindless_image_atomic_and:
+ case nir_intrinsic_bindless_image_atomic_or:
+ case nir_intrinsic_bindless_image_atomic_xor:
+ case nir_intrinsic_bindless_image_atomic_exchange:
+ case nir_intrinsic_bindless_image_atomic_comp_swap:
+ info->uses_bindless_images = true;
+
+ if (nir_intrinsic_image_dim(intr) == GLSL_SAMPLER_DIM_BUF)
+ info->uses_bindless_buffer_atomic = true;
+ else
+ info->uses_bindless_image_atomic = true;
+
+ info->writes_memory = true;
+ info->num_memory_instructions++; /* we only care about stores */
break;
- }
case nir_intrinsic_image_deref_atomic_add:
- case nir_intrinsic_image_deref_atomic_min:
- case nir_intrinsic_image_deref_atomic_max:
+ case nir_intrinsic_image_deref_atomic_imin:
+ case nir_intrinsic_image_deref_atomic_umin:
+ case nir_intrinsic_image_deref_atomic_imax:
+ case nir_intrinsic_image_deref_atomic_umax:
case nir_intrinsic_image_deref_atomic_and:
case nir_intrinsic_image_deref_atomic_or:
case nir_intrinsic_image_deref_atomic_xor:
case nir_intrinsic_image_deref_atomic_exchange:
- case nir_intrinsic_image_deref_atomic_comp_swap: {
- nir_variable *var = intrinsic_get_var(intr);
- if (var->data.bindless) {
- info->uses_bindless_images = true;
-
- if (glsl_get_sampler_dim(var->type) == GLSL_SAMPLER_DIM_BUF)
- info->uses_bindless_buffer_atomic = true;
- else
- info->uses_bindless_image_atomic = true;
- }
+ case nir_intrinsic_image_deref_atomic_comp_swap:
+ case nir_intrinsic_image_deref_atomic_inc_wrap:
+ case nir_intrinsic_image_deref_atomic_dec_wrap:
info->writes_memory = true;
+ info->num_memory_instructions++; /* we only care about stores */
break;
- }
case nir_intrinsic_store_ssbo:
case nir_intrinsic_ssbo_atomic_add:
case nir_intrinsic_ssbo_atomic_imin:
case nir_intrinsic_ssbo_atomic_exchange:
case nir_intrinsic_ssbo_atomic_comp_swap:
info->writes_memory = true;
+ info->num_memory_instructions++; /* we only care about stores */
+ break;
+ case nir_intrinsic_load_color0:
+ case nir_intrinsic_load_color1: {
+ unsigned index = intr->intrinsic == nir_intrinsic_load_color1;
+ uint8_t mask = nir_ssa_def_components_read(&intr->dest.ssa);
+ info->colors_read |= mask << (index * 4);
break;
+ }
+ case nir_intrinsic_load_barycentric_pixel:
+ case nir_intrinsic_load_barycentric_centroid:
+ case nir_intrinsic_load_barycentric_sample:
+ case nir_intrinsic_load_barycentric_at_offset: /* uses center */
+ case nir_intrinsic_load_barycentric_at_sample: { /* uses center */
+ unsigned mode = nir_intrinsic_interp_mode(intr);
+
+ if (mode == INTERP_MODE_FLAT)
+ break;
+
+ if (mode == INTERP_MODE_NOPERSPECTIVE) {
+ if (intr->intrinsic == nir_intrinsic_load_barycentric_sample)
+ info->uses_linear_sample = true;
+ else if (intr->intrinsic == nir_intrinsic_load_barycentric_centroid)
+ info->uses_linear_centroid = true;
+ else
+ info->uses_linear_center = true;
+
+ if (intr->intrinsic == nir_intrinsic_load_barycentric_at_sample)
+ info->uses_linear_opcode_interp_sample = true;
+ } else {
+ if (intr->intrinsic == nir_intrinsic_load_barycentric_sample)
+ info->uses_persp_sample = true;
+ else if (intr->intrinsic == nir_intrinsic_load_barycentric_centroid)
+ info->uses_persp_centroid = true;
+ else
+ info->uses_persp_center = true;
+
+ if (intr->intrinsic == nir_intrinsic_load_barycentric_at_sample)
+ info->uses_persp_opcode_interp_sample = true;
+ }
+ break;
+ }
case nir_intrinsic_load_deref: {
nir_variable *var = intrinsic_get_var(intr);
nir_variable_mode mode = var->data.mode;
- enum glsl_base_type base_type =
- glsl_get_base_type(glsl_without_array(var->type));
if (mode == nir_var_shader_in) {
- switch (var->data.interpolation) {
- case INTERP_MODE_NONE:
- if (glsl_base_type_is_integer(base_type))
- break;
-
- /* fall-through */
- case INTERP_MODE_SMOOTH:
- if (var->data.sample)
- info->uses_persp_sample = true;
- else if (var->data.centroid)
- info->uses_persp_centroid = true;
- else
- info->uses_persp_center = true;
- break;
-
- case INTERP_MODE_NOPERSPECTIVE:
- if (var->data.sample)
- info->uses_linear_sample = true;
- else if (var->data.centroid)
- info->uses_linear_centroid = true;
- else
- info->uses_linear_center = true;
- break;
- }
+ /* PS inputs use the interpolated load intrinsics. */
+ assert(nir->info.stage != MESA_SHADER_FRAGMENT);
+ gather_intrinsic_load_deref_input_info(nir, intr,
+ nir_src_as_deref(intr->src[0]), info);
+ } else if (mode == nir_var_shader_out) {
+ gather_intrinsic_load_deref_output_info(nir, intr, var, info);
}
break;
}
+ case nir_intrinsic_store_deref: {
+ nir_variable *var = intrinsic_get_var(intr);
+
+ if (var->data.mode == nir_var_shader_out)
+ gather_intrinsic_store_deref_output_info(nir, intr,
+ nir_src_as_deref(intr->src[0]), info);
+ break;
+ }
case nir_intrinsic_interp_deref_at_centroid:
case nir_intrinsic_interp_deref_at_sample:
- case nir_intrinsic_interp_deref_at_offset: {
- enum glsl_interp_mode interp = intrinsic_get_var(intr)->data.interpolation;
- switch (interp) {
- case INTERP_MODE_SMOOTH:
- case INTERP_MODE_NONE:
- if (intr->intrinsic == nir_intrinsic_interp_deref_at_centroid)
- info->uses_persp_opcode_interp_centroid = true;
- else if (intr->intrinsic == nir_intrinsic_interp_deref_at_sample)
- info->uses_persp_opcode_interp_sample = true;
- else
- info->uses_persp_opcode_interp_offset = true;
- break;
- case INTERP_MODE_NOPERSPECTIVE:
- if (intr->intrinsic == nir_intrinsic_interp_deref_at_centroid)
- info->uses_linear_opcode_interp_centroid = true;
- else if (intr->intrinsic == nir_intrinsic_interp_deref_at_sample)
- info->uses_linear_opcode_interp_sample = true;
- else
- info->uses_linear_opcode_interp_offset = true;
- break;
- case INTERP_MODE_FLAT:
- break;
- default:
- unreachable("Unsupported interpoation type");
- }
+ case nir_intrinsic_interp_deref_at_offset:
+ unreachable("interp opcodes should have been lowered");
break;
- }
default:
break;
}
}
void si_nir_scan_tess_ctrl(const struct nir_shader *nir,
- const struct tgsi_shader_info *info,
struct tgsi_tessctrl_info *out)
{
memset(out, 0, sizeof(*out));
if (nir->info.stage != MESA_SHADER_TESS_CTRL)
return;
- /* Initial value = true. Here the pass will accumulate results from
- * multiple segments surrounded by barriers. If tess factors aren't
- * written at all, it's a shader bug and we don't care if this will be
- * true.
- */
- out->tessfactors_are_def_in_all_invocs = true;
+ out->tessfactors_are_def_in_all_invocs =
+ ac_are_tessfactors_def_in_all_invocs(nir);
+}
+
+static void scan_output_slot(const nir_variable *var,
+ unsigned var_idx,
+ unsigned component, unsigned num_components,
+ struct tgsi_shader_info *info)
+{
+ assert(component + num_components <= 4);
+ assert(component < 4);
+
+ unsigned semantic_name, semantic_index;
+
+ unsigned location = var->data.location + var_idx;
+ unsigned drv_location = var->data.driver_location + var_idx;
- /* TODO: Implement scanning of tess factors, see tgsi backend. */
+ if (info->processor == PIPE_SHADER_FRAGMENT) {
+ tgsi_get_gl_frag_result_semantic(location,
+ &semantic_name, &semantic_index);
+
+ /* Adjust for dual source blending */
+ if (var->data.index > 0) {
+ semantic_index++;
+ }
+ } else {
+ tgsi_get_gl_varying_semantic(location, true,
+ &semantic_name, &semantic_index);
+ }
+
+ ubyte usagemask = ((1 << num_components) - 1) << component;
+
+ unsigned gs_out_streams;
+ if (var->data.stream & (1u << 31)) {
+ gs_out_streams = var->data.stream & ~(1u << 31);
+ } else {
+ assert(var->data.stream < 4);
+ gs_out_streams = 0;
+ for (unsigned j = 0; j < num_components; ++j)
+ gs_out_streams |= var->data.stream << (2 * (component + j));
+ }
+
+ unsigned streamx = gs_out_streams & 3;
+ unsigned streamy = (gs_out_streams >> 2) & 3;
+ unsigned streamz = (gs_out_streams >> 4) & 3;
+ unsigned streamw = (gs_out_streams >> 6) & 3;
+
+ if (usagemask & TGSI_WRITEMASK_X) {
+ info->output_streams[drv_location] |= streamx;
+ info->num_stream_output_components[streamx]++;
+ }
+ if (usagemask & TGSI_WRITEMASK_Y) {
+ info->output_streams[drv_location] |= streamy << 2;
+ info->num_stream_output_components[streamy]++;
+ }
+ if (usagemask & TGSI_WRITEMASK_Z) {
+ info->output_streams[drv_location] |= streamz << 4;
+ info->num_stream_output_components[streamz]++;
+ }
+ if (usagemask & TGSI_WRITEMASK_W) {
+ info->output_streams[drv_location] |= streamw << 6;
+ info->num_stream_output_components[streamw]++;
+ }
+
+ info->output_semantic_name[drv_location] = semantic_name;
+ info->output_semantic_index[drv_location] = semantic_index;
+
+ switch (semantic_name) {
+ case TGSI_SEMANTIC_PRIMID:
+ info->writes_primid = true;
+ break;
+ case TGSI_SEMANTIC_VIEWPORT_INDEX:
+ info->writes_viewport_index = true;
+ break;
+ case TGSI_SEMANTIC_LAYER:
+ info->writes_layer = true;
+ break;
+ case TGSI_SEMANTIC_PSIZE:
+ info->writes_psize = true;
+ break;
+ case TGSI_SEMANTIC_CLIPVERTEX:
+ info->writes_clipvertex = true;
+ break;
+ case TGSI_SEMANTIC_COLOR:
+ info->colors_written |= 1 << semantic_index;
+ break;
+ case TGSI_SEMANTIC_STENCIL:
+ info->writes_stencil = true;
+ break;
+ case TGSI_SEMANTIC_SAMPLEMASK:
+ info->writes_samplemask = true;
+ break;
+ case TGSI_SEMANTIC_EDGEFLAG:
+ info->writes_edgeflag = true;
+ break;
+ case TGSI_SEMANTIC_POSITION:
+ if (info->processor == PIPE_SHADER_FRAGMENT)
+ info->writes_z = true;
+ else
+ info->writes_position = true;
+ break;
+ }
+}
+
+static void scan_output_helper(const nir_variable *var,
+ unsigned location,
+ const struct glsl_type *type,
+ struct tgsi_shader_info *info)
+{
+ if (glsl_type_is_struct(type)) {
+ for (unsigned i = 0; i < glsl_get_length(type); i++) {
+ const struct glsl_type *ft = glsl_get_struct_field(type, i);
+ scan_output_helper(var, location, ft, info);
+ location += glsl_count_attribute_slots(ft, false);
+ }
+ } else if (glsl_type_is_array_or_matrix(type)) {
+ const struct glsl_type *elem_type =
+ glsl_get_array_element(type);
+ unsigned num_elems = glsl_get_length(type);
+ if (var->data.compact) {
+ assert(glsl_type_is_scalar(elem_type));
+ assert(glsl_get_bit_size(elem_type) == 32);
+ unsigned component = var->data.location_frac;
+ scan_output_slot(var, location, component,
+ MIN2(num_elems, 4 - component), info);
+ if (component + num_elems > 4) {
+ scan_output_slot(var, location + 1, 0,
+ component + num_elems - 4, info);
+ }
+
+ } else {
+ unsigned elem_count = glsl_count_attribute_slots(elem_type, false);
+ for (unsigned i = 0; i < num_elems; i++) {
+ scan_output_helper(var, location, elem_type, info);
+ location += elem_count;
+ }
+ }
+ } else if (glsl_type_is_dual_slot(type)) {
+ unsigned component = var->data.location_frac;
+ scan_output_slot(var, location, component, 4 - component, info);
+ scan_output_slot(var, location + 1, 0, component + 2 * glsl_get_components(type) - 4,
+ info);
+ } else {
+ unsigned component = var->data.location_frac;
+ assert(glsl_type_is_vector_or_scalar(type));
+ unsigned num_components = glsl_get_components(type);
+ if (glsl_type_is_64bit(type))
+ num_components *= 2;
+ scan_output_slot(var, location, component, num_components, info);
+ }
}
void si_nir_scan_shader(const struct nir_shader *nir,
info->properties[TGSI_PROPERTY_NEXT_SHADER] =
pipe_shader_type_from_mesa(nir->info.next_stage);
+ if (nir->info.stage == MESA_SHADER_VERTEX) {
+ info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION] =
+ nir->info.vs.window_space_position;
+ info->properties[TGSI_PROPERTY_VS_BLIT_SGPRS_AMD] =
+ nir->info.vs.blit_sgprs_amd;
+ }
+
if (nir->info.stage == MESA_SHADER_TESS_CTRL) {
info->properties[TGSI_PROPERTY_TCS_VERTICES_OUT] =
nir->info.tess.tcs_vertices_out;
}
}
- if (nir->info.stage == MESA_SHADER_COMPUTE) {
+ if (gl_shader_stage_is_compute(nir->info.stage)) {
info->properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] = nir->info.cs.local_size[0];
info->properties[TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT] = nir->info.cs.local_size[1];
info->properties[TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH] = nir->info.cs.local_size[2];
+ info->properties[TGSI_PROPERTY_CS_USER_DATA_COMPONENTS_AMD] = nir->info.cs.user_data_components_amd;
}
i = 0;
uint64_t processed_inputs = 0;
- unsigned num_inputs = 0;
nir_foreach_variable(variable, &nir->inputs) {
unsigned semantic_name, semantic_index;
* tracker has already mapped them to attributes via
* variable->data.driver_location.
*/
- if (nir->info.stage == MESA_SHADER_VERTEX) {
- /* TODO: gather the actual input useage and remove this. */
- info->input_usage_mask[i] = TGSI_WRITEMASK_XYZW;
-
- if (glsl_type_is_dual_slot(variable->type)) {
- num_inputs += 2;
-
- /* TODO: gather the actual input useage and remove this. */
- info->input_usage_mask[i+1] = TGSI_WRITEMASK_XYZW;
- } else
- num_inputs++;
+ if (nir->info.stage == MESA_SHADER_VERTEX)
continue;
- }
-
- /* Fragment shader position is a system value. */
- if (nir->info.stage == MESA_SHADER_FRAGMENT &&
- variable->data.location == VARYING_SLOT_POS) {
- if (variable->data.pixel_center_integer)
- info->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] =
- TGSI_FS_COORD_PIXEL_CENTER_INTEGER;
-
- num_inputs++;
- continue;
- }
for (unsigned j = 0; j < attrib_count; j++, i++) {
continue;
processed_inputs |= ((uint64_t)1 << i);
- num_inputs++;
tgsi_get_gl_varying_semantic(variable->data.location + j, true,
&semantic_name, &semantic_index);
if (semantic_name == TGSI_SEMANTIC_PRIMID)
info->uses_primid = true;
- if (variable->data.sample)
- info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_SAMPLE;
- else if (variable->data.centroid)
- info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_CENTROID;
- else
- info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_CENTER;
+ if (semantic_name == TGSI_SEMANTIC_COLOR) {
+ /* We only need this for color inputs. */
+ if (variable->data.sample)
+ info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_SAMPLE;
+ else if (variable->data.centroid)
+ info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_CENTROID;
+ else
+ info->input_interpolate_loc[i] = TGSI_INTERPOLATE_LOC_CENTER;
+ }
- enum glsl_base_type base_type =
- glsl_get_base_type(glsl_without_array(variable->type));
+ enum glsl_base_type base_type =
+ glsl_get_base_type(glsl_without_array(variable->type));
- switch (variable->data.interpolation) {
- case INTERP_MODE_NONE:
- if (glsl_base_type_is_integer(base_type)) {
- info->input_interpolate[i] = TGSI_INTERPOLATE_CONSTANT;
- break;
- }
+ switch (variable->data.interpolation) {
+ case INTERP_MODE_NONE:
+ if (glsl_base_type_is_integer(base_type)) {
+ info->input_interpolate[i] = TGSI_INTERPOLATE_CONSTANT;
+ break;
+ }
- if (semantic_name == TGSI_SEMANTIC_COLOR) {
- info->input_interpolate[i] = TGSI_INTERPOLATE_COLOR;
- break;
- }
- /* fall-through */
+ if (semantic_name == TGSI_SEMANTIC_COLOR) {
+ info->input_interpolate[i] = TGSI_INTERPOLATE_COLOR;
+ break;
+ }
+ /* fall-through */
- case INTERP_MODE_SMOOTH:
- assert(!glsl_base_type_is_integer(base_type));
+ case INTERP_MODE_SMOOTH:
+ assert(!glsl_base_type_is_integer(base_type));
- info->input_interpolate[i] = TGSI_INTERPOLATE_PERSPECTIVE;
- break;
+ info->input_interpolate[i] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
- case INTERP_MODE_NOPERSPECTIVE:
- assert(!glsl_base_type_is_integer(base_type));
+ case INTERP_MODE_NOPERSPECTIVE:
+ assert(!glsl_base_type_is_integer(base_type));
- info->input_interpolate[i] = TGSI_INTERPOLATE_LINEAR;
- break;
+ info->input_interpolate[i] = TGSI_INTERPOLATE_LINEAR;
+ break;
- case INTERP_MODE_FLAT:
- info->input_interpolate[i] = TGSI_INTERPOLATE_CONSTANT;
- break;
- }
-
- /* TODO make this more precise */
- if (variable->data.location == VARYING_SLOT_COL0)
- info->colors_read |= 0x0f;
- else if (variable->data.location == VARYING_SLOT_COL1)
- info->colors_read |= 0xf0;
+ case INTERP_MODE_FLAT:
+ info->input_interpolate[i] = TGSI_INTERPOLATE_CONSTANT;
+ break;
+ }
}
}
- info->num_inputs = num_inputs;
-
-
- i = 0;
- uint64_t processed_outputs = 0;
- unsigned num_outputs = 0;
nir_foreach_variable(variable, &nir->outputs) {
- unsigned semantic_name, semantic_index;
-
- i = variable->data.driver_location;
-
const struct glsl_type *type = variable->type;
if (nir_is_per_vertex_io(variable, nir->info.stage)) {
assert(glsl_type_is_array(type));
type = glsl_get_array_element(type);
}
- unsigned attrib_count = glsl_count_attribute_slots(type, false);
- for (unsigned k = 0; k < attrib_count; k++, i++) {
-
- if (nir->info.stage == MESA_SHADER_FRAGMENT) {
- tgsi_get_gl_frag_result_semantic(variable->data.location + k,
- &semantic_name, &semantic_index);
-
- /* Adjust for dual source blending */
- if (variable->data.index > 0) {
- semantic_index++;
- }
- } else {
- tgsi_get_gl_varying_semantic(variable->data.location + k, true,
- &semantic_name, &semantic_index);
- }
-
- unsigned num_components = 4;
- unsigned vector_elements = glsl_get_vector_elements(glsl_without_array(variable->type));
- if (vector_elements)
- num_components = vector_elements;
-
- unsigned component = variable->data.location_frac;
- if (glsl_type_is_64bit(glsl_without_array(variable->type))) {
- if (glsl_type_is_dual_slot(glsl_without_array(variable->type)) && k % 2) {
- num_components = (num_components * 2) - 4;
- component = 0;
- } else {
- num_components = MIN2(num_components * 2, 4);
- }
- }
-
- ubyte usagemask = 0;
- for (unsigned j = component; j < num_components + component; j++) {
- switch (j) {
- case 0:
- usagemask |= TGSI_WRITEMASK_X;
- break;
- case 1:
- usagemask |= TGSI_WRITEMASK_Y;
- break;
- case 2:
- usagemask |= TGSI_WRITEMASK_Z;
- break;
- case 3:
- usagemask |= TGSI_WRITEMASK_W;
- break;
- default:
- unreachable("error calculating component index");
- }
- }
-
- unsigned gs_out_streams;
- if (variable->data.stream & (1u << 31)) {
- gs_out_streams = variable->data.stream & ~(1u << 31);
- } else {
- assert(variable->data.stream < 4);
- gs_out_streams = 0;
- for (unsigned j = 0; j < num_components; ++j)
- gs_out_streams |= variable->data.stream << (2 * (component + j));
- }
-
- unsigned streamx = gs_out_streams & 3;
- unsigned streamy = (gs_out_streams >> 2) & 3;
- unsigned streamz = (gs_out_streams >> 4) & 3;
- unsigned streamw = (gs_out_streams >> 6) & 3;
-
- if (usagemask & TGSI_WRITEMASK_X) {
- info->output_usagemask[i] |= TGSI_WRITEMASK_X;
- info->output_streams[i] |= streamx;
- info->num_stream_output_components[streamx]++;
- }
- if (usagemask & TGSI_WRITEMASK_Y) {
- info->output_usagemask[i] |= TGSI_WRITEMASK_Y;
- info->output_streams[i] |= streamy << 2;
- info->num_stream_output_components[streamy]++;
- }
- if (usagemask & TGSI_WRITEMASK_Z) {
- info->output_usagemask[i] |= TGSI_WRITEMASK_Z;
- info->output_streams[i] |= streamz << 4;
- info->num_stream_output_components[streamz]++;
- }
- if (usagemask & TGSI_WRITEMASK_W) {
- info->output_usagemask[i] |= TGSI_WRITEMASK_W;
- info->output_streams[i] |= streamw << 6;
- info->num_stream_output_components[streamw]++;
- }
-
- /* make sure we only count this location once against
- * the num_outputs counter.
- */
- if (processed_outputs & ((uint64_t)1 << i))
- continue;
-
- processed_outputs |= ((uint64_t)1 << i);
- num_outputs++;
-
- info->output_semantic_name[i] = semantic_name;
- info->output_semantic_index[i] = semantic_index;
-
- switch (semantic_name) {
- case TGSI_SEMANTIC_PRIMID:
- info->writes_primid = true;
- break;
- case TGSI_SEMANTIC_VIEWPORT_INDEX:
- info->writes_viewport_index = true;
- break;
- case TGSI_SEMANTIC_LAYER:
- info->writes_layer = true;
- break;
- case TGSI_SEMANTIC_PSIZE:
- info->writes_psize = true;
- break;
- case TGSI_SEMANTIC_CLIPVERTEX:
- info->writes_clipvertex = true;
- break;
- case TGSI_SEMANTIC_COLOR:
- info->colors_written |= 1 << semantic_index;
- break;
- case TGSI_SEMANTIC_STENCIL:
- info->writes_stencil = true;
- break;
- case TGSI_SEMANTIC_SAMPLEMASK:
- info->writes_samplemask = true;
- break;
- case TGSI_SEMANTIC_EDGEFLAG:
- info->writes_edgeflag = true;
- break;
- case TGSI_SEMANTIC_POSITION:
- if (info->processor == PIPE_SHADER_FRAGMENT)
- info->writes_z = true;
- else
- info->writes_position = true;
- break;
- }
-
- if (nir->info.stage == MESA_SHADER_TESS_CTRL) {
- switch (semantic_name) {
- case TGSI_SEMANTIC_PATCH:
- info->reads_perpatch_outputs = true;
- break;
- case TGSI_SEMANTIC_TESSINNER:
- case TGSI_SEMANTIC_TESSOUTER:
- info->reads_tessfactor_outputs = true;
- break;
- default:
- info->reads_pervertex_outputs = true;
- }
- }
- }
+ ASSERTED unsigned attrib_count = glsl_count_attribute_slots(type, false);
+ scan_output_helper(variable, 0, type, info);
unsigned loc = variable->data.location;
if (nir->info.stage == MESA_SHADER_FRAGMENT &&
}
}
- info->num_outputs = num_outputs;
+ info->num_inputs = nir->num_inputs;
+ info->num_outputs = nir->num_outputs;
- struct set *ubo_set = _mesa_set_create(NULL, _mesa_hash_pointer,
- _mesa_key_pointer_equal);
+ info->const_file_max[0] = nir->num_uniforms - 1;
+ info->shader_buffers_declared = u_bit_consecutive(0, nir->info.num_ssbos);
+ info->const_buffers_declared = u_bit_consecutive(1, nir->info.num_ubos);
+ if (nir->num_uniforms > 0)
+ info->const_buffers_declared |= 1;
+ info->images_declared = u_bit_consecutive(0, nir->info.num_images);
+ info->msaa_images_declared = u_bit_consecutive(0, nir->info.last_msaa_image + 1);
+ info->samplers_declared = nir->info.textures_used;
- /* Intialise const_file_max[0] */
- info->const_file_max[0] = -1;
+ info->num_written_clipdistance = nir->info.clip_distance_array_size;
+ info->num_written_culldistance = nir->info.cull_distance_array_size;
+ info->clipdist_writemask = u_bit_consecutive(0, info->num_written_clipdistance);
+ info->culldist_writemask = u_bit_consecutive(0, info->num_written_culldistance);
- unsigned ubo_idx = 1;
- nir_foreach_variable(variable, &nir->uniforms) {
- const struct glsl_type *type = variable->type;
- enum glsl_base_type base_type =
- glsl_get_base_type(glsl_without_array(type));
- unsigned aoa_size = MAX2(1, glsl_get_aoa_size(type));
-
- /* Gather buffers declared bitmasks. Note: radeonsi doesn't
- * really use the mask (other than ubo_idx == 1 for regular
- * uniforms) its really only used for getting the buffer count
- * so we don't need to worry about the ordering.
- */
- if (variable->interface_type != NULL) {
- if (variable->data.mode == nir_var_uniform) {
-
- unsigned block_count;
- if (base_type != GLSL_TYPE_INTERFACE) {
- struct set_entry *entry =
- _mesa_set_search(ubo_set, variable->interface_type);
-
- /* Check if we have already processed
- * a member from this ubo.
- */
- if (entry)
- continue;
-
- block_count = 1;
- } else {
- block_count = aoa_size;
- }
+ if (info->processor == PIPE_SHADER_FRAGMENT)
+ info->uses_kill = nir->info.fs.uses_discard;
- info->const_buffers_declared |= u_bit_consecutive(ubo_idx, block_count);
- ubo_idx += block_count;
+ func = (struct nir_function *)exec_list_get_head_const(&nir->functions);
+ nir_foreach_block(block, func->impl) {
+ nir_foreach_instr(instr, block)
+ scan_instruction(nir, info, instr);
+ }
+}
- _mesa_set_add(ubo_set, variable->interface_type);
- }
+static void
+si_nir_opts(struct nir_shader *nir)
+{
+ bool progress;
+ unsigned lower_flrp =
+ (nir->options->lower_flrp16 ? 16 : 0) |
+ (nir->options->lower_flrp32 ? 32 : 0) |
+ (nir->options->lower_flrp64 ? 64 : 0);
- if (variable->data.mode == nir_var_shader_storage) {
- /* TODO: make this more accurate */
- info->shader_buffers_declared =
- u_bit_consecutive(0, SI_NUM_SHADER_BUFFERS);
- }
+ do {
+ progress = false;
- continue;
+ NIR_PASS_V(nir, nir_lower_vars_to_ssa);
+
+ NIR_PASS(progress, nir, nir_opt_copy_prop_vars);
+ NIR_PASS(progress, nir, nir_opt_dead_write_vars);
+
+ NIR_PASS_V(nir, nir_lower_alu_to_scalar, NULL, NULL);
+ NIR_PASS_V(nir, nir_lower_phis_to_scalar);
+
+ /* (Constant) copy propagation is needed for txf with offsets. */
+ NIR_PASS(progress, nir, nir_copy_prop);
+ NIR_PASS(progress, nir, nir_opt_remove_phis);
+ NIR_PASS(progress, nir, nir_opt_dce);
+ if (nir_opt_trivial_continues(nir)) {
+ progress = true;
+ NIR_PASS(progress, nir, nir_copy_prop);
+ NIR_PASS(progress, nir, nir_opt_dce);
}
+ NIR_PASS(progress, nir, nir_opt_if, true);
+ NIR_PASS(progress, nir, nir_opt_dead_cf);
+ NIR_PASS(progress, nir, nir_opt_cse);
+ NIR_PASS(progress, nir, nir_opt_peephole_select, 8, true, true);
- /* We rely on the fact that nir_lower_samplers_as_deref has
- * eliminated struct dereferences.
- */
- if (base_type == GLSL_TYPE_SAMPLER) {
- if (variable->data.bindless) {
- info->const_buffers_declared |= 1;
- info->const_file_max[0] +=
- glsl_count_attribute_slots(type, false);
- } else {
- info->samplers_declared |=
- u_bit_consecutive(variable->data.binding, aoa_size);
- }
- } else if (base_type == GLSL_TYPE_IMAGE) {
- if (variable->data.bindless) {
- info->const_buffers_declared |= 1;
- info->const_file_max[0] +=
- glsl_count_attribute_slots(type, false);
- } else {
- info->images_declared |=
- u_bit_consecutive(variable->data.binding, aoa_size);
- }
- } else if (base_type != GLSL_TYPE_ATOMIC_UINT) {
- if (strncmp(variable->name, "state.", 6) == 0 ||
- strncmp(variable->name, "gl_", 3) == 0) {
- /* FIXME: figure out why piglit tests with builtin
- * uniforms are failing without this.
- */
- info->const_buffers_declared =
- u_bit_consecutive(0, SI_NUM_CONST_BUFFERS);
- } else {
- info->const_buffers_declared |= 1;
- info->const_file_max[0] +=
- glsl_count_attribute_slots(type, false);
+ /* Needed for algebraic lowering */
+ NIR_PASS(progress, nir, nir_opt_algebraic);
+ NIR_PASS(progress, nir, nir_opt_constant_folding);
+
+ if (lower_flrp != 0) {
+ bool lower_flrp_progress = false;
+
+ NIR_PASS(lower_flrp_progress, nir, nir_lower_flrp,
+ lower_flrp,
+ false /* always_precise */,
+ nir->options->lower_ffma);
+ if (lower_flrp_progress) {
+ NIR_PASS(progress, nir,
+ nir_opt_constant_folding);
+ progress = true;
}
+
+ /* Nothing should rematerialize any flrps, so we only
+ * need to do this lowering once.
+ */
+ lower_flrp = 0;
}
- }
- _mesa_set_destroy(ubo_set, NULL);
+ NIR_PASS(progress, nir, nir_opt_undef);
+ NIR_PASS(progress, nir, nir_opt_conditional_discard);
+ if (nir->options->max_unroll_iterations) {
+ NIR_PASS(progress, nir, nir_opt_loop_unroll, 0);
+ }
+ } while (progress);
+}
- info->num_written_clipdistance = nir->info.clip_distance_array_size;
- info->num_written_culldistance = nir->info.cull_distance_array_size;
- info->clipdist_writemask = u_bit_consecutive(0, info->num_written_clipdistance);
- info->culldist_writemask = u_bit_consecutive(0, info->num_written_culldistance);
+static int
+type_size_vec4(const struct glsl_type *type, bool bindless)
+{
+ return glsl_count_attribute_slots(type, false);
+}
- if (info->processor == PIPE_SHADER_FRAGMENT)
- info->uses_kill = nir->info.fs.uses_discard;
+static void
+si_nir_lower_color(nir_shader *nir)
+{
+ nir_function_impl *entrypoint = nir_shader_get_entrypoint(nir);
+
+ nir_builder b;
+ nir_builder_init(&b, entrypoint);
+
+ nir_foreach_block(block, entrypoint) {
+ nir_foreach_instr_safe(instr, block) {
+ if (instr->type != nir_instr_type_intrinsic)
+ continue;
+
+ nir_intrinsic_instr *intrin =
+ nir_instr_as_intrinsic(instr);
+
+ if (intrin->intrinsic != nir_intrinsic_load_deref)
+ continue;
+
+ nir_deref_instr *deref = nir_src_as_deref(intrin->src[0]);
+ if (deref->mode != nir_var_shader_in)
+ continue;
+
+ b.cursor = nir_before_instr(instr);
+ nir_variable *var = nir_deref_instr_get_variable(deref);
+ nir_ssa_def *def;
+
+ if (var->data.location == VARYING_SLOT_COL0) {
+ def = nir_load_color0(&b);
+ } else if (var->data.location == VARYING_SLOT_COL1) {
+ def = nir_load_color1(&b);
+ } else {
+ continue;
+ }
+
+ nir_ssa_def_rewrite_uses(&intrin->dest.ssa, nir_src_for_ssa(def));
+ nir_instr_remove(instr);
+ }
+ }
+}
- func = (struct nir_function *)exec_list_get_head_const(&nir->functions);
- nir_foreach_block(block, func->impl) {
- nir_foreach_instr(instr, block)
- scan_instruction(info, instr);
- }
+static void si_nir_lower_ps_inputs(struct nir_shader *nir)
+{
+ if (nir->info.stage != MESA_SHADER_FRAGMENT)
+ return;
+
+ NIR_PASS_V(nir, nir_lower_io_to_temporaries,
+ nir_shader_get_entrypoint(nir), false, true);
+
+ /* Since we're doing nir_lower_io_to_temporaries late, we need
+ * to lower all the copy_deref's introduced by
+ * lower_io_to_temporaries before calling nir_lower_io.
+ */
+ NIR_PASS_V(nir, nir_split_var_copies);
+ NIR_PASS_V(nir, nir_lower_var_copies);
+ NIR_PASS_V(nir, nir_lower_global_vars_to_local);
+
+ si_nir_lower_color(nir);
+ NIR_PASS_V(nir, nir_lower_io, nir_var_shader_in, type_size_vec4, 0);
+
+ /* This pass needs actual constants */
+ NIR_PASS_V(nir, nir_opt_constant_folding);
+ NIR_PASS_V(nir, nir_io_add_const_offset_to_base,
+ nir_var_shader_in);
}
-/**
- * Perform "lowering" operations on the NIR that are run once when the shader
- * selector is created.
- */
-void
-si_lower_nir(struct si_shader_selector* sel)
+void si_nir_adjust_driver_locations(struct nir_shader *nir)
{
/* Adjust the driver location of inputs and outputs. The state tracker
* interprets them as slots, while the ac/nir backend interprets them
* as individual components.
*/
- nir_foreach_variable(variable, &sel->nir->inputs)
- variable->data.driver_location *= 4;
+ if (nir->info.stage != MESA_SHADER_FRAGMENT) {
+ nir_foreach_variable(variable, &nir->inputs)
+ variable->data.driver_location *= 4;
+ }
- nir_foreach_variable(variable, &sel->nir->outputs) {
+ nir_foreach_variable(variable, &nir->outputs) {
variable->data.driver_location *= 4;
- if (sel->nir->info.stage == MESA_SHADER_FRAGMENT) {
+ if (nir->info.stage == MESA_SHADER_FRAGMENT) {
if (variable->data.location == FRAG_RESULT_DEPTH)
variable->data.driver_location += 2;
else if (variable->data.location == FRAG_RESULT_STENCIL)
variable->data.driver_location += 1;
}
}
+}
+/**
+ * Perform "lowering" operations on the NIR that are run once when the shader
+ * selector is created.
+ */
+static void si_lower_nir(struct si_screen *sscreen, struct nir_shader *nir)
+{
/* Perform lowerings (and optimizations) of code.
*
* Performance considerations aside, we must:
* - ensure constant offsets for texture instructions are folded
* and copy-propagated
*/
- NIR_PASS_V(sel->nir, nir_lower_returns);
- NIR_PASS_V(sel->nir, nir_lower_vars_to_ssa);
- NIR_PASS_V(sel->nir, nir_lower_alu_to_scalar);
- NIR_PASS_V(sel->nir, nir_lower_phis_to_scalar);
static const struct nir_lower_tex_options lower_tex_options = {
.lower_txp = ~0u,
};
- NIR_PASS_V(sel->nir, nir_lower_tex, &lower_tex_options);
+ NIR_PASS_V(nir, nir_lower_tex, &lower_tex_options);
const nir_lower_subgroups_options subgroups_options = {
.subgroup_size = 64,
.lower_vote_trivial = false,
.lower_vote_eq_to_ballot = true,
};
- NIR_PASS_V(sel->nir, nir_lower_subgroups, &subgroups_options);
-
- ac_lower_indirect_derefs(sel->nir, sel->screen->info.chip_class);
-
- NIR_PASS_V(sel->nir, nir_lower_load_const_to_scalar);
+ NIR_PASS_V(nir, nir_lower_subgroups, &subgroups_options);
+
+ /* Lower load constants to scalar and then clean up the mess */
+ NIR_PASS_V(nir, nir_lower_load_const_to_scalar);
+ NIR_PASS_V(nir, nir_lower_var_copies);
+ NIR_PASS_V(nir, nir_lower_pack);
+ NIR_PASS_V(nir, nir_opt_access);
+ si_nir_opts(nir);
+
+ /* Lower large variables that are always constant with load_constant
+ * intrinsics, which get turned into PC-relative loads from a data
+ * section next to the shader.
+ *
+ * st/mesa calls finalize_nir twice, but we can't call this pass twice.
+ */
+ if (!nir->constant_data) {
+ NIR_PASS_V(nir, nir_opt_large_constants,
+ glsl_get_natural_size_align_bytes, 16);
+ }
- bool progress;
- do {
- progress = false;
+ ac_lower_indirect_derefs(nir, sscreen->info.chip_class);
- /* (Constant) copy propagation is needed for txf with offsets. */
- NIR_PASS(progress, sel->nir, nir_copy_prop);
- NIR_PASS(progress, sel->nir, nir_opt_remove_phis);
- NIR_PASS(progress, sel->nir, nir_opt_dce);
- if (nir_opt_trivial_continues(sel->nir)) {
- progress = true;
- NIR_PASS(progress, sel->nir, nir_copy_prop);
- NIR_PASS(progress, sel->nir, nir_opt_dce);
- }
- NIR_PASS(progress, sel->nir, nir_opt_if);
- NIR_PASS(progress, sel->nir, nir_opt_dead_cf);
- NIR_PASS(progress, sel->nir, nir_opt_cse);
- NIR_PASS(progress, sel->nir, nir_opt_peephole_select, 8, true, true);
+ si_nir_opts(nir);
- /* Needed for algebraic lowering */
- NIR_PASS(progress, sel->nir, nir_opt_algebraic);
- NIR_PASS(progress, sel->nir, nir_opt_constant_folding);
+ NIR_PASS_V(nir, nir_lower_bool_to_int32);
+}
- NIR_PASS(progress, sel->nir, nir_opt_undef);
- NIR_PASS(progress, sel->nir, nir_opt_conditional_discard);
- if (sel->nir->options->max_unroll_iterations) {
- NIR_PASS(progress, sel->nir, nir_opt_loop_unroll, 0);
- }
- } while (progress);
+void si_finalize_nir(struct pipe_screen *screen, void *nirptr, bool optimize)
+{
+ struct si_screen *sscreen = (struct si_screen *)screen;
+ struct nir_shader *nir = (struct nir_shader *)nirptr;
- NIR_PASS_V(sel->nir, nir_lower_bool_to_int32);
+ nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
+ si_nir_lower_ps_inputs(nir);
+ si_lower_nir(sscreen, nir);
}
static void declare_nir_input_vs(struct si_shader_context *ctx,
si_llvm_load_input_vs(ctx, input_index, out);
}
-static void declare_nir_input_fs(struct si_shader_context *ctx,
- struct nir_variable *variable,
- unsigned input_index,
- LLVMValueRef out[4])
-{
- unsigned slot = variable->data.location;
- if (slot == VARYING_SLOT_POS) {
- out[0] = LLVMGetParam(ctx->main_fn, SI_PARAM_POS_X_FLOAT);
- out[1] = LLVMGetParam(ctx->main_fn, SI_PARAM_POS_Y_FLOAT);
- out[2] = LLVMGetParam(ctx->main_fn, SI_PARAM_POS_Z_FLOAT);
- out[3] = ac_build_fdiv(&ctx->ac, ctx->ac.f32_1,
- LLVMGetParam(ctx->main_fn, SI_PARAM_POS_W_FLOAT));
- return;
- }
-
- si_llvm_load_input_fs(ctx, input_index, out);
-}
-
LLVMValueRef
si_nir_lookup_interp_param(struct ac_shader_abi *abi,
enum glsl_interp_mode interp, unsigned location)
{
struct si_shader_context *ctx = si_shader_context_from_abi(abi);
- int interp_param_idx = -1;
switch (interp) {
case INTERP_MODE_FLAT:
case INTERP_MODE_SMOOTH:
case INTERP_MODE_NONE:
if (location == INTERP_CENTER)
- interp_param_idx = SI_PARAM_PERSP_CENTER;
+ return ctx->abi.persp_center;
else if (location == INTERP_CENTROID)
- interp_param_idx = SI_PARAM_PERSP_CENTROID;
+ return ctx->abi.persp_centroid;
else if (location == INTERP_SAMPLE)
- interp_param_idx = SI_PARAM_PERSP_SAMPLE;
+ return ctx->abi.persp_sample;
break;
case INTERP_MODE_NOPERSPECTIVE:
if (location == INTERP_CENTER)
- interp_param_idx = SI_PARAM_LINEAR_CENTER;
+ return ctx->abi.linear_center;
else if (location == INTERP_CENTROID)
- interp_param_idx = SI_PARAM_LINEAR_CENTROID;
+ return ctx->abi.linear_centroid;
else if (location == INTERP_SAMPLE)
- interp_param_idx = SI_PARAM_LINEAR_SAMPLE;
+ return ctx->abi.linear_sample;
break;
default:
assert(!"Unhandled interpolation mode.");
- return NULL;
}
-
- return interp_param_idx != -1 ?
- LLVMGetParam(ctx->main_fn, interp_param_idx) : NULL;
+ return NULL;
}
static LLVMValueRef
bool write, bool bindless)
{
struct si_shader_context *ctx = si_shader_context_from_abi(abi);
- const struct tgsi_shader_info *info = &ctx->shader->selector->info;
LLVMBuilderRef builder = ctx->ac.builder;
unsigned const_index = base_index + constant_index;
- bool dcc_off = write;
-
- /* TODO: images_store and images_atomic are not set */
- if (!dynamic_index && image &&
- (info->images_store | info->images_atomic) & (1 << const_index))
- dcc_off = true;
assert(!descriptor_set);
- assert(!image || desc_type == AC_DESC_IMAGE || desc_type == AC_DESC_BUFFER);
+ assert(desc_type <= AC_DESC_BUFFER);
if (bindless) {
LLVMValueRef list =
/* dynamic_index is the bindless handle */
if (image) {
+ /* Bindless image descriptors use 16-dword slots. */
+ dynamic_index = LLVMBuildMul(ctx->ac.builder, dynamic_index,
+ LLVMConstInt(ctx->i64, 2, 0), "");
+ /* FMASK is right after the image. */
+ if (desc_type == AC_DESC_FMASK) {
+ dynamic_index = LLVMBuildAdd(ctx->ac.builder, dynamic_index,
+ ctx->i32_1, "");
+ }
+
return si_load_image_desc(ctx, list, dynamic_index, desc_type,
- dcc_off, true);
+ write, true);
}
/* Since bindless handle arithmetic can contain an unsigned integer
* to prevent incorrect code generation and hangs.
*/
dynamic_index = LLVMBuildMul(ctx->ac.builder, dynamic_index,
- LLVMConstInt(ctx->i32, 2, 0), "");
+ LLVMConstInt(ctx->i64, 2, 0), "");
list = ac_build_pointer_add(&ctx->ac, list, dynamic_index);
return si_load_sampler_desc(ctx, list, ctx->i32_0, desc_type);
}
unsigned num_slots = image ? ctx->num_images : ctx->num_samplers;
- assert(const_index < num_slots);
+ assert(const_index < num_slots || dynamic_index);
LLVMValueRef list = LLVMGetParam(ctx->main_fn, ctx->param_samplers_and_images);
LLVMValueRef index = LLVMConstInt(ctx->ac.i32, const_index, false);
}
if (image) {
+ /* FMASKs are separate from images. */
+ if (desc_type == AC_DESC_FMASK) {
+ index = LLVMBuildAdd(ctx->ac.builder, index,
+ LLVMConstInt(ctx->i32, SI_NUM_IMAGES, 0), "");
+ }
index = LLVMBuildSub(ctx->ac.builder,
- LLVMConstInt(ctx->i32, SI_NUM_IMAGES - 1, 0),
+ LLVMConstInt(ctx->i32, SI_NUM_IMAGE_SLOTS - 1, 0),
index, "");
- return si_load_image_desc(ctx, list, index, desc_type, dcc_off, false);
+ return si_load_image_desc(ctx, list, index, desc_type, write, false);
}
index = LLVMBuildAdd(ctx->ac.builder, index,
- LLVMConstInt(ctx->i32, SI_NUM_IMAGES / 2, 0), "");
+ LLVMConstInt(ctx->i32, SI_NUM_IMAGE_SLOTS / 2, 0), "");
return si_load_sampler_desc(ctx, list, index, desc_type);
}
{
struct tgsi_shader_info *info = &ctx->shader->selector->info;
- if (nir->info.stage == MESA_SHADER_VERTEX ||
- nir->info.stage == MESA_SHADER_FRAGMENT) {
+ if (nir->info.stage == MESA_SHADER_VERTEX) {
uint64_t processed_inputs = 0;
nir_foreach_variable(variable, &nir->inputs) {
unsigned attrib_count = glsl_count_attribute_slots(variable->type,
- nir->info.stage == MESA_SHADER_VERTEX);
+ true);
unsigned input_idx = variable->data.driver_location;
LLVMValueRef data[4];
continue;
}
- if (nir->info.stage == MESA_SHADER_VERTEX) {
+ declare_nir_input_vs(ctx, variable, input_idx / 4, data);
+ bitcast_inputs(ctx, data, input_idx);
+ if (glsl_type_is_dual_slot(variable->type)) {
+ input_idx += 4;
declare_nir_input_vs(ctx, variable, input_idx / 4, data);
bitcast_inputs(ctx, data, input_idx);
- if (glsl_type_is_dual_slot(variable->type)) {
- input_idx += 4;
- declare_nir_input_vs(ctx, variable, input_idx / 4, data);
- bitcast_inputs(ctx, data, input_idx);
- }
- } else if (nir->info.stage == MESA_SHADER_FRAGMENT) {
- declare_nir_input_fs(ctx, variable, input_idx / 4, data);
- bitcast_inputs(ctx, data, input_idx);
}
processed_inputs |= ((uint64_t)1 << (loc + i));
input_idx += 4;
}
}
+ } else if (nir->info.stage == MESA_SHADER_FRAGMENT) {
+ unsigned colors_read =
+ ctx->shader->selector->info.colors_read;
+ LLVMValueRef main_fn = ctx->main_fn;
+
+ LLVMValueRef undef = LLVMGetUndef(ctx->f32);
+
+ unsigned offset = SI_PARAM_POS_FIXED_PT + 1;
+
+ if (colors_read & 0x0f) {
+ unsigned mask = colors_read & 0x0f;
+ LLVMValueRef values[4];
+ values[0] = mask & 0x1 ? LLVMGetParam(main_fn, offset++) : undef;
+ values[1] = mask & 0x2 ? LLVMGetParam(main_fn, offset++) : undef;
+ values[2] = mask & 0x4 ? LLVMGetParam(main_fn, offset++) : undef;
+ values[3] = mask & 0x8 ? LLVMGetParam(main_fn, offset++) : undef;
+ ctx->abi.color0 =
+ ac_to_integer(&ctx->ac,
+ ac_build_gather_values(&ctx->ac, values, 4));
+ }
+ if (colors_read & 0xf0) {
+ unsigned mask = (colors_read & 0xf0) >> 4;
+ LLVMValueRef values[4];
+ values[0] = mask & 0x1 ? LLVMGetParam(main_fn, offset++) : undef;
+ values[1] = mask & 0x2 ? LLVMGetParam(main_fn, offset++) : undef;
+ values[2] = mask & 0x4 ? LLVMGetParam(main_fn, offset++) : undef;
+ values[3] = mask & 0x8 ? LLVMGetParam(main_fn, offset++) : undef;
+ ctx->abi.color1 =
+ ac_to_integer(&ctx->ac,
+ ac_build_gather_values(&ctx->ac, values, 4));
+ }
+
+ ctx->abi.interp_at_sample_force_center =
+ ctx->shader->key.mono.u.ps.interpolate_at_sample_force_center;
+ } else if (nir->info.stage == MESA_SHADER_COMPUTE) {
+ if (nir->info.cs.user_data_components_amd) {
+ ctx->abi.user_data = LLVMGetParam(ctx->main_fn, ctx->param_cs_user_data);
+ ctx->abi.user_data = ac_build_expand_to_vec4(&ctx->ac, ctx->abi.user_data,
+ nir->info.cs.user_data_components_amd);
+ }
}
ctx->abi.inputs = &ctx->inputs[0];
ctx->abi.load_sampler_desc = si_nir_load_sampler_desc;
ctx->abi.clamp_shadow_reference = true;
+ ctx->abi.robust_buffer_access = true;
ctx->num_samplers = util_last_bit(info->samplers_declared);
ctx->num_images = util_last_bit(info->images_declared);
if (ctx->shader->selector->info.properties[TGSI_PROPERTY_CS_LOCAL_SIZE]) {
- assert(nir->info.stage == MESA_SHADER_COMPUTE);
+ assert(gl_shader_stage_is_compute(nir->info.stage));
si_declare_compute_memory(ctx);
}
ac_nir_translate(&ctx->ac, &ctx->abi, nir);
projects / mesa.git / blobdiff