}
static union ac_shader_variant_key
-radv_compute_vs_key(const VkGraphicsPipelineCreateInfo *pCreateInfo, bool as_es)
+radv_compute_vs_key(const VkGraphicsPipelineCreateInfo *pCreateInfo, bool as_es, bool as_ls)
{
union ac_shader_variant_key key;
const VkPipelineVertexInputStateCreateInfo *input_state =
memset(&key, 0, sizeof(key));
key.vs.instance_rate_inputs = 0;
key.vs.as_es = as_es;
+ key.vs.as_ls = as_ls;
for (unsigned i = 0; i < input_state->vertexAttributeDescriptionCount; ++i) {
unsigned binding;
unsigned alignment = 256 * num_se;
/* The maximum size is 63.999 MB per SE. */
unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;
- struct ac_es_output_info *es_info = &pipeline->shaders[MESA_SHADER_VERTEX]->info.vs.es_info;
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;
/* Calculate the minimum size. */
unsigned min_esgs_ring_size = align(es_info->esgs_itemsize * gs_vertex_reuse *
pipeline->graphics.gsvs_ring_size = MIN2(gsvs_ring_size, max_size);
}
+static void si_multiwave_lds_size_workaround(struct radv_device *device,
+ unsigned *lds_size)
+{
+ /* SPI barrier management bug:
+ * Make sure we have at least 4k of LDS in use to avoid the bug.
+ * It applies to workgroup sizes of more than one wavefront.
+ */
+ if (device->physical_device->rad_info.family == CHIP_BONAIRE ||
+ device->physical_device->rad_info.family == CHIP_KABINI ||
+ device->physical_device->rad_info.family == CHIP_MULLINS)
+ *lds_size = MAX2(*lds_size, 8);
+}
+
+static void
+calculate_tess_state(struct radv_pipeline *pipeline,
+ const VkGraphicsPipelineCreateInfo *pCreateInfo)
+{
+ unsigned num_tcs_input_cp = pCreateInfo->pTessellationState->patchControlPoints;
+ unsigned num_tcs_output_cp, num_tcs_inputs, num_tcs_outputs;
+ unsigned num_tcs_patch_outputs;
+ unsigned input_vertex_size, output_vertex_size, pervertex_output_patch_size;
+ unsigned input_patch_size, output_patch_size, output_patch0_offset;
+ unsigned lds_size, hardware_lds_size;
+ unsigned perpatch_output_offset;
+ unsigned num_patches;
+ struct radv_tessellation_state *tess = &pipeline->graphics.tess;
+
+ /* This calculates how shader inputs and outputs among VS, TCS, and TES
+ * are laid out in LDS. */
+ num_tcs_inputs = util_last_bit64(pipeline->shaders[MESA_SHADER_VERTEX]->info.vs.outputs_written);
+
+ num_tcs_outputs = util_last_bit64(pipeline->shaders[MESA_SHADER_TESS_CTRL]->info.tcs.outputs_written); //tcs->outputs_written
+ num_tcs_output_cp = pipeline->shaders[MESA_SHADER_TESS_CTRL]->info.tcs.tcs_vertices_out; //TCS VERTICES OUT
+ num_tcs_patch_outputs = util_last_bit64(pipeline->shaders[MESA_SHADER_TESS_CTRL]->info.tcs.patch_outputs_written);
+
+ /* Ensure that we only need one wave per SIMD so we don't need to check
+ * resource usage. Also ensures that the number of tcs in and out
+ * vertices per threadgroup are at most 256.
+ */
+ input_vertex_size = num_tcs_inputs * 16;
+ output_vertex_size = num_tcs_outputs * 16;
+
+ input_patch_size = num_tcs_input_cp * input_vertex_size;
+
+ pervertex_output_patch_size = num_tcs_output_cp * output_vertex_size;
+ output_patch_size = pervertex_output_patch_size + num_tcs_patch_outputs * 16;
+ /* Ensure that we only need one wave per SIMD so we don't need to check
+ * resource usage. Also ensures that the number of tcs in and out
+ * vertices per threadgroup are at most 256.
+ */
+ num_patches = 64 / MAX2(num_tcs_input_cp, num_tcs_output_cp) * 4;
+
+ /* Make sure that the data fits in LDS. This assumes the shaders only
+ * use LDS for the inputs and outputs.
+ */
+ hardware_lds_size = pipeline->device->physical_device->rad_info.chip_class >= CIK ? 65536 : 32768;
+ num_patches = MIN2(num_patches, hardware_lds_size / (input_patch_size + output_patch_size));
+
+ /* Make sure the output data fits in the offchip buffer */
+ num_patches = MIN2(num_patches,
+ (pipeline->device->tess_offchip_block_dw_size * 4) /
+ output_patch_size);
+
+ /* Not necessary for correctness, but improves performance. The
+ * specific value is taken from the proprietary driver.
+ */
+ num_patches = MIN2(num_patches, 40);
+
+ /* SI bug workaround - limit LS-HS threadgroups to only one wave. */
+ if (pipeline->device->physical_device->rad_info.chip_class == SI) {
+ unsigned one_wave = 64 / MAX2(num_tcs_input_cp, num_tcs_output_cp);
+ num_patches = MIN2(num_patches, one_wave);
+ }
+
+ output_patch0_offset = input_patch_size * num_patches;
+ perpatch_output_offset = output_patch0_offset + pervertex_output_patch_size;
+
+ lds_size = output_patch0_offset + output_patch_size * num_patches;
+
+ if (pipeline->device->physical_device->rad_info.chip_class >= CIK) {
+ assert(lds_size <= 65536);
+ lds_size = align(lds_size, 512) / 512;
+ } else {
+ assert(lds_size <= 32768);
+ lds_size = align(lds_size, 256) / 256;
+ }
+ si_multiwave_lds_size_workaround(pipeline->device, &lds_size);
+
+ tess->lds_size = lds_size;
+
+ tess->tcs_in_layout = (input_patch_size / 4) |
+ ((input_vertex_size / 4) << 13);
+ tess->tcs_out_layout = (output_patch_size / 4) |
+ ((output_vertex_size / 4) << 13);
+ tess->tcs_out_offsets = (output_patch0_offset / 16) |
+ ((perpatch_output_offset / 16) << 16);
+ tess->offchip_layout = (pervertex_output_patch_size * num_patches << 16) |
+ (num_tcs_output_cp << 9) | num_patches;
+
+ tess->ls_hs_config = S_028B58_NUM_PATCHES(num_patches) |
+ S_028B58_HS_NUM_INPUT_CP(num_tcs_input_cp) |
+ S_028B58_HS_NUM_OUTPUT_CP(num_tcs_output_cp);
+ 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];
+ unsigned type = 0, partitioning = 0, topology = 0, distribution_mode = 0;
+
+ switch (tes->info.tes.primitive_mode) {
+ case GL_TRIANGLES:
+ type = V_028B6C_TESS_TRIANGLE;
+ break;
+ case GL_QUADS:
+ type = V_028B6C_TESS_QUAD;
+ break;
+ case GL_ISOLINES:
+ type = V_028B6C_TESS_ISOLINE;
+ break;
+ }
+
+ switch (tes->info.tes.spacing) {
+ case TESS_SPACING_EQUAL:
+ partitioning = V_028B6C_PART_INTEGER;
+ break;
+ case TESS_SPACING_FRACTIONAL_ODD:
+ partitioning = V_028B6C_PART_FRAC_ODD;
+ break;
+ case TESS_SPACING_FRACTIONAL_EVEN:
+ partitioning = V_028B6C_PART_FRAC_EVEN;
+ break;
+ default:
+ break;
+ }
+
+ if (tes->info.tes.point_mode)
+ topology = V_028B6C_OUTPUT_POINT;
+ else if (tes->info.tes.primitive_mode == GL_ISOLINES)
+ topology = V_028B6C_OUTPUT_LINE;
+ else if (tes->info.tes.ccw)
+ topology = V_028B6C_OUTPUT_TRIANGLE_CW;
+ else
+ topology = V_028B6C_OUTPUT_TRIANGLE_CCW;
+
+ if (pipeline->device->has_distributed_tess) {
+ if (pipeline->device->physical_device->rad_info.family == CHIP_FIJI ||
+ pipeline->device->physical_device->rad_info.family >= CHIP_POLARIS10)
+ distribution_mode = V_028B6C_DISTRIBUTION_MODE_TRAPEZOIDS;
+ else
+ distribution_mode = V_028B6C_DISTRIBUTION_MODE_DONUTS;
+ } else
+ distribution_mode = V_028B6C_DISTRIBUTION_MODE_NO_DIST;
+
+ tess->tf_param = S_028B6C_TYPE(type) |
+ S_028B6C_PARTITIONING(partitioning) |
+ S_028B6C_TOPOLOGY(topology) |
+ S_028B6C_DISTRIBUTION_MODE(distribution_mode);
+}
+
static const struct radv_prim_vertex_count prim_size_table[] = {
[V_008958_DI_PT_NONE] = {0, 0},
[V_008958_DI_PT_POINTLIST] = {1, 1},
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 : pipeline->shaders[MESA_SHADER_VERTEX];
+ 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;
ps = pipeline->shaders[MESA_SHADER_FRAGMENT];
- vs = radv_pipeline_has_gs(pipeline) ? pipeline->gs_copy_shader : pipeline->shaders[MESA_SHADER_VERTEX];
+ 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;
radv_pipeline_init_blend_state(pipeline, pCreateInfo, extra);
if (modules[MESA_SHADER_VERTEX]) {
- bool as_es = modules[MESA_SHADER_GEOMETRY] != NULL;
- union ac_shader_variant_key key = radv_compute_vs_key(pCreateInfo, as_es);
+ bool as_es = false;
+ bool as_ls = false;
+ if (modules[MESA_SHADER_TESS_CTRL])
+ as_ls = true;
+ else if (modules[MESA_SHADER_GEOMETRY])
+ as_es = true;
+ union ac_shader_variant_key key = radv_compute_vs_key(pCreateInfo, as_es, as_ls);
pipeline->shaders[MESA_SHADER_VERTEX] =
radv_pipeline_compile(pipeline, cache, modules[MESA_SHADER_VERTEX],
}
if (modules[MESA_SHADER_GEOMETRY]) {
- union ac_shader_variant_key key = radv_compute_vs_key(pCreateInfo, false);
+ union ac_shader_variant_key key = radv_compute_vs_key(pCreateInfo, false, false);
pipeline->shaders[MESA_SHADER_GEOMETRY] =
radv_pipeline_compile(pipeline, cache, modules[MESA_SHADER_GEOMETRY],
pipeline->layout, &key);
pipeline->active_stages |= mesa_to_vk_shader_stage(MESA_SHADER_GEOMETRY);
- calculate_gs_ring_sizes(pipeline);
pipeline->graphics.vgt_gs_mode = si_vgt_gs_mode(pipeline->shaders[MESA_SHADER_GEOMETRY]);
} else
calculate_ps_inputs(pipeline);
uint32_t stages = 0;
- if (radv_pipeline_has_gs(pipeline))
+ if (radv_pipeline_has_tess(pipeline)) {
+ stages |= S_028B54_LS_EN(V_028B54_LS_STAGE_ON) |
+ S_028B54_HS_EN(1) | S_028B54_DYNAMIC_HS(1);
+
+ if (radv_pipeline_has_gs(pipeline))
+ stages |= S_028B54_ES_EN(V_028B54_ES_STAGE_DS) |
+ S_028B54_GS_EN(1) |
+ S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER);
+ else
+ stages |= S_028B54_VS_EN(V_028B54_VS_STAGE_DS);
+ } else if (radv_pipeline_has_gs(pipeline))
stages |= S_028B54_ES_EN(V_028B54_ES_STAGE_REAL) |
S_028B54_GS_EN(1) |
S_028B54_VS_EN(V_028B54_VS_STAGE_COPY_SHADER);
pipeline->graphics.vgt_shader_stages_en = stages;
+ if (radv_pipeline_has_gs(pipeline))
+ calculate_gs_ring_sizes(pipeline);
+
+ if (radv_pipeline_has_tess(pipeline)) {
+ if (pipeline->graphics.prim == V_008958_DI_PT_PATCH) {
+ pipeline->graphics.prim_vertex_count.min = pCreateInfo->pTessellationState->patchControlPoints;
+ pipeline->graphics.prim_vertex_count.incr = 1;
+ }
+ calculate_tess_state(pipeline, pCreateInfo);
+ }
+
const VkPipelineVertexInputStateCreateInfo *vi_info =
pCreateInfo->pVertexInputState;
for (uint32_t i = 0; i < vi_info->vertexAttributeDescriptionCount; i++) {
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