return key;
}
+
+static void calculate_gfx9_gs_info(const VkGraphicsPipelineCreateInfo *pCreateInfo,
+ struct radv_pipeline *pipeline)
+{
+ struct ac_shader_variant_info *gs_info = &pipeline->shaders[MESA_SHADER_GEOMETRY]->info;
+ struct ac_es_output_info *es_info = radv_pipeline_has_tess(pipeline) ?
+ &gs_info->tes.es_info : &gs_info->vs.es_info;
+ unsigned gs_num_invocations = MAX2(gs_info->gs.invocations, 1);
+ bool uses_adjacency;
+ switch(pCreateInfo->pInputAssemblyState->topology) {
+ case VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY:
+ case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY:
+ case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY:
+ case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY:
+ uses_adjacency = false;
+ break;
+ default:
+ uses_adjacency = false;
+ break;
+ }
+
+ /* All these are in dwords: */
+ /* We can't allow using the whole LDS, because GS waves compete with
+ * other shader stages for LDS space. */
+ const unsigned max_lds_size = 8 * 1024;
+ const unsigned esgs_itemsize = es_info->esgs_itemsize / 4;
+ unsigned esgs_lds_size;
+
+ /* All these are per subgroup: */
+ const unsigned max_out_prims = 32 * 1024;
+ const unsigned max_es_verts = 255;
+ const unsigned ideal_gs_prims = 64;
+ unsigned max_gs_prims, gs_prims;
+ unsigned min_es_verts, es_verts, worst_case_es_verts;
+
+ if (uses_adjacency || gs_num_invocations > 1)
+ max_gs_prims = 127 / gs_num_invocations;
+ else
+ max_gs_prims = 255;
+
+ /* MAX_PRIMS_PER_SUBGROUP = gs_prims * max_vert_out * gs_invocations.
+ * Make sure we don't go over the maximum value.
+ */
+ if (gs_info->gs.vertices_out > 0) {
+ max_gs_prims = MIN2(max_gs_prims,
+ max_out_prims /
+ (gs_info->gs.vertices_out * gs_num_invocations));
+ }
+ assert(max_gs_prims > 0);
+
+ /* If the primitive has adjacency, halve the number of vertices
+ * that will be reused in multiple primitives.
+ */
+ min_es_verts = gs_info->gs.vertices_in / (uses_adjacency ? 2 : 1);
+
+ gs_prims = MIN2(ideal_gs_prims, max_gs_prims);
+ worst_case_es_verts = MIN2(min_es_verts * gs_prims, max_es_verts);
+
+ /* Compute ESGS LDS size based on the worst case number of ES vertices
+ * needed to create the target number of GS prims per subgroup.
+ */
+ esgs_lds_size = esgs_itemsize * worst_case_es_verts;
+
+ /* If total LDS usage is too big, refactor partitions based on ratio
+ * of ESGS item sizes.
+ */
+ if (esgs_lds_size > max_lds_size) {
+ /* Our target GS Prims Per Subgroup was too large. Calculate
+ * the maximum number of GS Prims Per Subgroup that will fit
+ * into LDS, capped by the maximum that the hardware can support.
+ */
+ gs_prims = MIN2((max_lds_size / (esgs_itemsize * min_es_verts)),
+ max_gs_prims);
+ assert(gs_prims > 0);
+ worst_case_es_verts = MIN2(min_es_verts * gs_prims,
+ max_es_verts);
+
+ esgs_lds_size = esgs_itemsize * worst_case_es_verts;
+ assert(esgs_lds_size <= max_lds_size);
+ }
+
+ /* Now calculate remaining ESGS information. */
+ if (esgs_lds_size)
+ es_verts = MIN2(esgs_lds_size / esgs_itemsize, max_es_verts);
+ else
+ es_verts = max_es_verts;
+
+ /* Vertices for adjacency primitives are not always reused, so restore
+ * it for ES_VERTS_PER_SUBGRP.
+ */
+ min_es_verts = gs_info->gs.vertices_in;
+
+ /* For normal primitives, the VGT only checks if they are past the ES
+ * verts per subgroup after allocating a full GS primitive and if they
+ * are, kick off a new subgroup. But if those additional ES verts are
+ * unique (e.g. not reused) we need to make sure there is enough LDS
+ * space to account for those ES verts beyond ES_VERTS_PER_SUBGRP.
+ */
+ es_verts -= min_es_verts - 1;
+
+ uint32_t es_verts_per_subgroup = es_verts;
+ uint32_t gs_prims_per_subgroup = gs_prims;
+ uint32_t gs_inst_prims_in_subgroup = gs_prims * gs_num_invocations;
+ uint32_t max_prims_per_subgroup = gs_inst_prims_in_subgroup * gs_info->gs.vertices_out;
+ pipeline->graphics.gs.lds_size = align(esgs_lds_size, 128) / 128;
+ pipeline->graphics.gs.vgt_gs_onchip_cntl =
+ S_028A44_ES_VERTS_PER_SUBGRP(es_verts_per_subgroup) |
+ S_028A44_GS_PRIMS_PER_SUBGRP(gs_prims_per_subgroup) |
+ S_028A44_GS_INST_PRIMS_IN_SUBGRP(gs_inst_prims_in_subgroup);
+ pipeline->graphics.gs.vgt_gs_max_prims_per_subgroup =
+ S_028A94_MAX_PRIMS_PER_SUBGROUP(max_prims_per_subgroup);
+ pipeline->graphics.gs.vgt_esgs_ring_itemsize = esgs_itemsize;
+ assert(max_prims_per_subgroup <= max_out_prims);
+}
+
static void
calculate_gs_ring_sizes(struct radv_pipeline *pipeline)
{
/* The maximum size is 63.999 MB per SE. */
unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;
struct ac_shader_variant_info *gs_info = &pipeline->shaders[MESA_SHADER_GEOMETRY]->info;
- struct ac_es_output_info *es_info = radv_pipeline_has_tess(pipeline) ?
- &pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.es_info :
- &pipeline->shaders[MESA_SHADER_VERTEX]->info.vs.es_info;
+ struct ac_es_output_info *es_info;
+ if (pipeline->device->physical_device->rad_info.chip_class >= GFX9)
+ es_info = radv_pipeline_has_tess(pipeline) ? &gs_info->tes.es_info : &gs_info->vs.es_info;
+ else
+ es_info = radv_pipeline_has_tess(pipeline) ?
+ &pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.es_info :
+ &pipeline->shaders[MESA_SHADER_VERTEX]->info.vs.es_info;
/* Calculate the minimum size. */
unsigned min_esgs_ring_size = align(es_info->esgs_itemsize * gs_vertex_reuse *
esgs_ring_size = align(esgs_ring_size, alignment);
gsvs_ring_size = align(gsvs_ring_size, alignment);
- pipeline->graphics.esgs_ring_size = CLAMP(esgs_ring_size, min_esgs_ring_size, max_size);
+ if (pipeline->device->physical_device->rad_info.chip_class <= VI)
+ pipeline->graphics.esgs_ring_size = CLAMP(esgs_ring_size, min_esgs_ring_size, max_size);
+
pipeline->graphics.gsvs_ring_size = MIN2(gsvs_ring_size, max_size);
}
return pipeline->shaders[MESA_SHADER_GEOMETRY];
}
+static struct radv_shader_variant *
+radv_get_tess_eval_shader(struct radv_pipeline *pipeline)
+{
+ if (pipeline->shaders[MESA_SHADER_TESS_EVAL])
+ return pipeline->shaders[MESA_SHADER_TESS_EVAL];
+ return pipeline->shaders[MESA_SHADER_GEOMETRY];
+}
+
static void
calculate_tess_state(struct radv_pipeline *pipeline,
const VkGraphicsPipelineCreateInfo *pCreateInfo)
tess->num_patches = num_patches;
tess->num_tcs_input_cp = num_tcs_input_cp;
- struct radv_shader_variant *tes = pipeline->shaders[MESA_SHADER_TESS_EVAL];
+ struct radv_shader_variant *tes = radv_get_tess_eval_shader(pipeline);
unsigned type = 0, partitioning = 0, topology = 0, distribution_mode = 0;
switch (tes->info.tes.primitive_mode) {
[V_008958_DI_PT_2D_TRI_STRIP] = {0, 0},
};
-static uint32_t si_vgt_gs_mode(struct radv_shader_variant *gs)
+static uint32_t si_vgt_gs_mode(struct radv_shader_variant *gs,
+ enum chip_class chip_class)
{
unsigned gs_max_vert_out = gs->info.gs.vertices_out;
unsigned cut_mode;
return S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
S_028A40_CUT_MODE(cut_mode)|
- S_028A40_ES_WRITE_OPTIMIZE(1) |
- S_028A40_GS_WRITE_OPTIMIZE(1);
+ S_028A40_ES_WRITE_OPTIMIZE(chip_class <= VI) |
+ S_028A40_GS_WRITE_OPTIMIZE(1) |
+ S_028A40_ONCHIP(chip_class >= GFX9 ? 1 : 0);
}
-static void calculate_vgt_gs_mode(struct radv_pipeline *pipeline)
+static struct ac_vs_output_info *get_vs_output_info(struct radv_pipeline *pipeline)
{
- struct radv_shader_variant *vs;
- vs = radv_pipeline_has_gs(pipeline) ? pipeline->gs_copy_shader : (radv_pipeline_has_tess(pipeline) ? pipeline->shaders[MESA_SHADER_TESS_EVAL] : pipeline->shaders[MESA_SHADER_VERTEX]);
+ if (radv_pipeline_has_gs(pipeline))
+ return &pipeline->gs_copy_shader->info.vs.outinfo;
+ else if (radv_pipeline_has_tess(pipeline))
+ return &pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.outinfo;
+ else
+ return &pipeline->shaders[MESA_SHADER_VERTEX]->info.vs.outinfo;
+}
- struct ac_vs_output_info *outinfo = &vs->info.vs.outinfo;
+static void calculate_vgt_gs_mode(struct radv_pipeline *pipeline)
+{
+ struct ac_vs_output_info *outinfo = get_vs_output_info(pipeline);
pipeline->graphics.vgt_primitiveid_en = false;
pipeline->graphics.vgt_gs_mode = 0;
if (radv_pipeline_has_gs(pipeline)) {
- pipeline->graphics.vgt_gs_mode = si_vgt_gs_mode(pipeline->shaders[MESA_SHADER_GEOMETRY]);
+ pipeline->graphics.vgt_gs_mode = si_vgt_gs_mode(pipeline->shaders[MESA_SHADER_GEOMETRY],
+ pipeline->device->physical_device->rad_info.chip_class);
} else if (outinfo->export_prim_id) {
pipeline->graphics.vgt_gs_mode = S_028A40_MODE(V_028A40_GS_SCENARIO_A);
pipeline->graphics.vgt_primitiveid_en = true;
static void calculate_pa_cl_vs_out_cntl(struct radv_pipeline *pipeline)
{
- struct radv_shader_variant *vs;
- vs = radv_pipeline_has_gs(pipeline) ? pipeline->gs_copy_shader : (radv_pipeline_has_tess(pipeline) ? pipeline->shaders[MESA_SHADER_TESS_EVAL] : pipeline->shaders[MESA_SHADER_VERTEX]);
-
- struct ac_vs_output_info *outinfo = &vs->info.vs.outinfo;
+ struct ac_vs_output_info *outinfo = get_vs_output_info(pipeline);
unsigned clip_dist_mask, cull_dist_mask, total_mask;
clip_dist_mask = outinfo->clip_dist_mask;
static void calculate_ps_inputs(struct radv_pipeline *pipeline)
{
- struct radv_shader_variant *ps, *vs;
- struct ac_vs_output_info *outinfo;
+ struct radv_shader_variant *ps;
+ struct ac_vs_output_info *outinfo = get_vs_output_info(pipeline);
ps = pipeline->shaders[MESA_SHADER_FRAGMENT];
- vs = radv_pipeline_has_gs(pipeline) ? pipeline->gs_copy_shader : (radv_pipeline_has_tess(pipeline) ? pipeline->shaders[MESA_SHADER_TESS_EVAL] : pipeline->shaders[MESA_SHADER_VERTEX]);
-
- outinfo = &vs->info.vs.outinfo;
unsigned ps_offset = 0;
keys[MESA_SHADER_TESS_EVAL].tes.export_prim_id =
pipeline->shaders[MESA_SHADER_FRAGMENT]->info.fs.prim_id_input;
}
-
- pipeline->active_stages |= mesa_to_vk_shader_stage(MESA_SHADER_FRAGMENT);
}
if (device->physical_device->rad_info.chip_class >= GFX9 &&
pipeline->graphics.vgt_shader_stages_en = stages;
- if (radv_pipeline_has_gs(pipeline))
+ if (radv_pipeline_has_gs(pipeline)) {
calculate_gs_ring_sizes(pipeline);
+ if (device->physical_device->rad_info.chip_class >= GFX9)
+ calculate_gfx9_gs_info(pCreateInfo, pipeline);
+ }
if (radv_pipeline_has_tess(pipeline)) {
if (pipeline->graphics.prim == V_008958_DI_PT_PATCH) {
if (radv_pipeline_has_tess(pipeline)) {
/* SWITCH_ON_EOI must be set if PrimID is used. */
if (pipeline->shaders[MESA_SHADER_TESS_CTRL]->info.tcs.uses_prim_id ||
- pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.uses_prim_id)
+ radv_get_tess_eval_shader(pipeline)->info.tes.uses_prim_id)
pipeline->graphics.ia_switch_on_eoi = true;
}
pipeline->graphics.vtx_reuse_depth = 30;
if (radv_pipeline_has_tess(pipeline) &&
- pipeline->shaders[MESA_SHADER_TESS_EVAL]->info.tes.spacing == TESS_SPACING_FRACTIONAL_ODD) {
+ radv_get_tess_eval_shader(pipeline)->info.tes.spacing == TESS_SPACING_FRACTIONAL_ODD) {
pipeline->graphics.vtx_reuse_depth = 14;
}
projects / mesa.git / blobdiff