radeonsi: simplify the signature of si_update_vs_writes_viewport_index
[mesa.git] / src / gallium / drivers / radeonsi / si_state_shaders.c
index 0be8252af5f35473b3926b9afbb3aac75009826d..1fadc7ec5d9cb0f545eae2ef67757407a9d2a4d0 100644 (file)
@@ -213,7 +213,7 @@ static bool si_shader_cache_insert_shader(struct si_screen *sscreen,
                disk_cache_compute_key(sscreen->b.disk_shader_cache, tgsi_binary,
                                       *((uint32_t *)tgsi_binary), key);
                disk_cache_put(sscreen->b.disk_shader_cache, key, hw_binary,
-                              *((uint32_t *) hw_binary));
+                              *((uint32_t *) hw_binary), NULL);
        }
 
        return true;
@@ -324,10 +324,10 @@ void si_destroy_shader_cache(struct si_screen *sscreen)
 /* SHADER STATES */
 
 static void si_set_tesseval_regs(struct si_screen *sscreen,
-                                struct si_shader *shader,
+                                struct si_shader_selector *tes,
                                 struct si_pm4_state *pm4)
 {
-       struct tgsi_shader_info *info = &shader->selector->info;
+       struct tgsi_shader_info *info = &tes->info;
        unsigned tes_prim_mode = info->properties[TGSI_PROPERTY_TES_PRIM_MODE];
        unsigned tes_spacing = info->properties[TGSI_PROPERTY_TES_SPACING];
        bool tes_vertex_order_cw = info->properties[TGSI_PROPERTY_TES_VERTEX_ORDER_CW];
@@ -401,26 +401,29 @@ static void si_set_tesseval_regs(struct si_screen *sscreen,
  *     VS as ES | ES -> GS -> VS             | 30
  *    TES as VS | LS -> HS -> VS             | 14 or 30
  *    TES as ES | LS -> HS -> ES -> GS -> VS | 14 or 30
+ *
+ * If "shader" is NULL, it's assumed it's not LS or GS copy shader.
  */
 static void polaris_set_vgt_vertex_reuse(struct si_screen *sscreen,
+                                        struct si_shader_selector *sel,
                                         struct si_shader *shader,
                                         struct si_pm4_state *pm4)
 {
-       unsigned type = shader->selector->type;
+       unsigned type = sel->type;
 
        if (sscreen->b.family < CHIP_POLARIS10)
                return;
 
        /* VS as VS, or VS as ES: */
        if ((type == PIPE_SHADER_VERTEX &&
-            !shader->key.as_ls &&
-            !shader->is_gs_copy_shader) ||
+            (!shader ||
+             (!shader->key.as_ls && !shader->is_gs_copy_shader))) ||
            /* TES as VS, or TES as ES: */
            type == PIPE_SHADER_TESS_EVAL) {
                unsigned vtx_reuse_depth = 30;
 
                if (type == PIPE_SHADER_TESS_EVAL &&
-                   shader->selector->info.properties[TGSI_PROPERTY_TES_SPACING] ==
+                   sel->info.properties[TGSI_PROPERTY_TES_SPACING] ==
                    PIPE_TESS_SPACING_FRACTIONAL_ODD)
                        vtx_reuse_depth = 14;
 
@@ -455,8 +458,10 @@ static void si_shader_ls(struct si_screen *sscreen, struct si_shader *shader)
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
 
        /* We need at least 2 components for LS.
-        * VGPR0-3: (VertexID, RelAutoindex, ???, InstanceID). */
-       vgpr_comp_cnt = shader->info.uses_instanceid ? 3 : 1;
+        * VGPR0-3: (VertexID, RelAutoindex, InstanceID / StepRate0, InstanceID).
+        * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
+        */
+       vgpr_comp_cnt = shader->info.uses_instanceid ? 2 : 1;
 
        si_pm4_set_reg(pm4, R_00B520_SPI_SHADER_PGM_LO_LS, va >> 8);
        si_pm4_set_reg(pm4, R_00B524_SPI_SHADER_PGM_HI_LS, va >> 40);
@@ -474,6 +479,7 @@ static void si_shader_hs(struct si_screen *sscreen, struct si_shader *shader)
 {
        struct si_pm4_state *pm4;
        uint64_t va;
+       unsigned ls_vgpr_comp_cnt = 0;
 
        pm4 = si_get_shader_pm4_state(shader);
        if (!pm4)
@@ -482,17 +488,41 @@ static void si_shader_hs(struct si_screen *sscreen, struct si_shader *shader)
        va = shader->bo->gpu_address;
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
 
-       si_pm4_set_reg(pm4, R_00B420_SPI_SHADER_PGM_LO_HS, va >> 8);
-       si_pm4_set_reg(pm4, R_00B424_SPI_SHADER_PGM_HI_HS, va >> 40);
+       if (sscreen->b.chip_class >= GFX9) {
+               si_pm4_set_reg(pm4, R_00B410_SPI_SHADER_PGM_LO_LS, va >> 8);
+               si_pm4_set_reg(pm4, R_00B414_SPI_SHADER_PGM_HI_LS, va >> 40);
+
+               /* We need at least 2 components for LS.
+                * VGPR0-3: (VertexID, RelAutoindex, InstanceID / StepRate0, InstanceID).
+                * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
+                */
+               ls_vgpr_comp_cnt = shader->info.uses_instanceid ? 2 : 1;
+
+               shader->config.rsrc2 =
+                       S_00B42C_USER_SGPR(GFX9_TCS_NUM_USER_SGPR) |
+                       S_00B42C_USER_SGPR_MSB(GFX9_TCS_NUM_USER_SGPR >> 5) |
+                       S_00B42C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0);
+       } else {
+               si_pm4_set_reg(pm4, R_00B420_SPI_SHADER_PGM_LO_HS, va >> 8);
+               si_pm4_set_reg(pm4, R_00B424_SPI_SHADER_PGM_HI_HS, va >> 40);
+
+               shader->config.rsrc2 =
+                       S_00B42C_USER_SGPR(GFX6_TCS_NUM_USER_SGPR) |
+                       S_00B42C_OC_LDS_EN(1) |
+                       S_00B42C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0);
+       }
+
        si_pm4_set_reg(pm4, R_00B428_SPI_SHADER_PGM_RSRC1_HS,
                       S_00B428_VGPRS((shader->config.num_vgprs - 1) / 4) |
                       S_00B428_SGPRS((shader->config.num_sgprs - 1) / 8) |
                       S_00B428_DX10_CLAMP(1) |
-                      S_00B428_FLOAT_MODE(shader->config.float_mode));
-       si_pm4_set_reg(pm4, R_00B42C_SPI_SHADER_PGM_RSRC2_HS,
-                      S_00B42C_USER_SGPR(SI_TCS_NUM_USER_SGPR) |
-                      S_00B42C_OC_LDS_EN(sscreen->b.chip_class <= VI) |
-                      S_00B42C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
+                      S_00B428_FLOAT_MODE(shader->config.float_mode) |
+                      S_00B428_LS_VGPR_COMP_CNT(ls_vgpr_comp_cnt));
+
+       if (sscreen->b.chip_class <= VI) {
+               si_pm4_set_reg(pm4, R_00B42C_SPI_SHADER_PGM_RSRC2_HS,
+                              shader->config.rsrc2);
+       }
 }
 
 static void si_shader_es(struct si_screen *sscreen, struct si_shader *shader)
@@ -513,10 +543,11 @@ static void si_shader_es(struct si_screen *sscreen, struct si_shader *shader)
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
 
        if (shader->selector->type == PIPE_SHADER_VERTEX) {
-               vgpr_comp_cnt = shader->info.uses_instanceid ? 3 : 0;
+               /* VGPR0-3: (VertexID, InstanceID / StepRate0, ...) */
+               vgpr_comp_cnt = shader->info.uses_instanceid ? 1 : 0;
                num_user_sgprs = SI_VS_NUM_USER_SGPR;
        } else if (shader->selector->type == PIPE_SHADER_TESS_EVAL) {
-               vgpr_comp_cnt = 3; /* all components are needed for TES */
+               vgpr_comp_cnt = shader->selector->info.uses_primid ? 3 : 2;
                num_user_sgprs = SI_TES_NUM_USER_SGPR;
        } else
                unreachable("invalid shader selector type");
@@ -539,9 +570,9 @@ static void si_shader_es(struct si_screen *sscreen, struct si_shader *shader)
                       S_00B32C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
 
        if (shader->selector->type == PIPE_SHADER_TESS_EVAL)
-               si_set_tesseval_regs(sscreen, shader, pm4);
+               si_set_tesseval_regs(sscreen, shader->selector, pm4);
 
-       polaris_set_vgt_vertex_reuse(sscreen, shader, pm4);
+       polaris_set_vgt_vertex_reuse(sscreen, shader->selector, shader, pm4);
 }
 
 /**
@@ -550,6 +581,7 @@ static void si_shader_es(struct si_screen *sscreen, struct si_shader *shader)
  */
 static uint32_t si_vgt_gs_mode(struct si_shader_selector *sel)
 {
+       enum chip_class chip_class = sel->screen->b.chip_class;
        unsigned gs_max_vert_out = sel->gs_max_out_vertices;
        unsigned cut_mode;
 
@@ -566,11 +598,120 @@ static uint32_t si_vgt_gs_mode(struct si_shader_selector *sel)
 
        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);
+}
+
+struct gfx9_gs_info {
+       unsigned es_verts_per_subgroup;
+       unsigned gs_prims_per_subgroup;
+       unsigned gs_inst_prims_in_subgroup;
+       unsigned max_prims_per_subgroup;
+       unsigned lds_size;
+};
+
+static void gfx9_get_gs_info(struct si_shader_selector *es,
+                                  struct si_shader_selector *gs,
+                                  struct gfx9_gs_info *out)
+{
+       unsigned gs_num_invocations = MAX2(gs->gs_num_invocations, 1);
+       unsigned input_prim = gs->info.properties[TGSI_PROPERTY_GS_INPUT_PRIM];
+       bool uses_adjacency = input_prim >= PIPE_PRIM_LINES_ADJACENCY &&
+                             input_prim <= PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY;
+
+       /* 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->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;
+
+       assert(gs_num_invocations <= 32); /* GL maximum */
+
+       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->gs_max_out_vertices > 0) {
+               max_gs_prims = MIN2(max_gs_prims,
+                                   max_out_prims /
+                                   (gs->gs_max_out_vertices * 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->gs_input_verts_per_prim / (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->gs_input_verts_per_prim;
+
+       /* 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;
+
+       out->es_verts_per_subgroup = es_verts;
+       out->gs_prims_per_subgroup = gs_prims;
+       out->gs_inst_prims_in_subgroup = gs_prims * gs_num_invocations;
+       out->max_prims_per_subgroup = out->gs_inst_prims_in_subgroup *
+                                     gs->gs_max_out_vertices;
+       out->lds_size = align(esgs_lds_size, 128) / 128;
+
+       assert(out->max_prims_per_subgroup <= max_out_prims);
 }
 
-static void si_shader_gs(struct si_shader *shader)
+static void si_shader_gs(struct si_screen *sscreen, struct si_shader *shader)
 {
        struct si_shader_selector *sel = shader->selector;
        const ubyte *num_components = sel->info.num_stream_output_components;
@@ -599,7 +740,7 @@ static void si_shader_gs(struct si_shader *shader)
        /* The GSVS_RING_ITEMSIZE register takes 15 bits */
        assert(offset < (1 << 15));
 
-       si_pm4_set_reg(pm4, R_028B38_VGT_GS_MAX_VERT_OUT, shader->selector->gs_max_out_vertices);
+       si_pm4_set_reg(pm4, R_028B38_VGT_GS_MAX_VERT_OUT, sel->gs_max_out_vertices);
 
        si_pm4_set_reg(pm4, R_028B5C_VGT_GS_VERT_ITEMSIZE, num_components[0]);
        si_pm4_set_reg(pm4, R_028B60_VGT_GS_VERT_ITEMSIZE_1, (max_stream >= 1) ? num_components[1] : 0);
@@ -612,17 +753,79 @@ static void si_shader_gs(struct si_shader *shader)
 
        va = shader->bo->gpu_address;
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
-       si_pm4_set_reg(pm4, R_00B220_SPI_SHADER_PGM_LO_GS, va >> 8);
-       si_pm4_set_reg(pm4, R_00B224_SPI_SHADER_PGM_HI_GS, va >> 40);
 
-       si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS,
-                      S_00B228_VGPRS((shader->config.num_vgprs - 1) / 4) |
-                      S_00B228_SGPRS((shader->config.num_sgprs - 1) / 8) |
-                      S_00B228_DX10_CLAMP(1) |
-                      S_00B228_FLOAT_MODE(shader->config.float_mode));
-       si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS,
-                      S_00B22C_USER_SGPR(SI_GS_NUM_USER_SGPR) |
-                      S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
+       if (sscreen->b.chip_class >= GFX9) {
+               unsigned input_prim = sel->info.properties[TGSI_PROPERTY_GS_INPUT_PRIM];
+               unsigned es_type = shader->key.part.gs.es->type;
+               unsigned es_vgpr_comp_cnt, gs_vgpr_comp_cnt;
+               struct gfx9_gs_info gs_info;
+
+               if (es_type == PIPE_SHADER_VERTEX)
+                       /* VGPR0-3: (VertexID, InstanceID / StepRate0, ...) */
+                       es_vgpr_comp_cnt = shader->info.uses_instanceid ? 1 : 0;
+               else if (es_type == PIPE_SHADER_TESS_EVAL)
+                       es_vgpr_comp_cnt = shader->key.part.gs.es->info.uses_primid ? 3 : 2;
+               else
+                       unreachable("invalid shader selector type");
+
+               /* If offsets 4, 5 are used, GS_VGPR_COMP_CNT is ignored and
+                * VGPR[0:4] are always loaded.
+                */
+               if (sel->info.uses_invocationid)
+                       gs_vgpr_comp_cnt = 3; /* VGPR3 contains InvocationID. */
+               else if (sel->info.uses_primid)
+                       gs_vgpr_comp_cnt = 2; /* VGPR2 contains PrimitiveID. */
+               else if (input_prim >= PIPE_PRIM_TRIANGLES)
+                       gs_vgpr_comp_cnt = 1; /* VGPR1 contains offsets 2, 3 */
+               else
+                       gs_vgpr_comp_cnt = 0; /* VGPR0 contains offsets 0, 1 */
+
+               gfx9_get_gs_info(shader->key.part.gs.es, sel, &gs_info);
+
+               si_pm4_set_reg(pm4, R_00B210_SPI_SHADER_PGM_LO_ES, va >> 8);
+               si_pm4_set_reg(pm4, R_00B214_SPI_SHADER_PGM_HI_ES, va >> 40);
+
+               si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS,
+                              S_00B228_VGPRS((shader->config.num_vgprs - 1) / 4) |
+                              S_00B228_SGPRS((shader->config.num_sgprs - 1) / 8) |
+                              S_00B228_DX10_CLAMP(1) |
+                              S_00B228_FLOAT_MODE(shader->config.float_mode) |
+                              S_00B228_GS_VGPR_COMP_CNT(gs_vgpr_comp_cnt));
+               si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS,
+                              S_00B22C_USER_SGPR(GFX9_GS_NUM_USER_SGPR) |
+                              S_00B22C_USER_SGPR_MSB(GFX9_GS_NUM_USER_SGPR >> 5) |
+                              S_00B22C_ES_VGPR_COMP_CNT(es_vgpr_comp_cnt) |
+                              S_00B22C_OC_LDS_EN(es_type == PIPE_SHADER_TESS_EVAL) |
+                              S_00B22C_LDS_SIZE(gs_info.lds_size) |
+                              S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
+
+               si_pm4_set_reg(pm4, R_028A44_VGT_GS_ONCHIP_CNTL,
+                              S_028A44_ES_VERTS_PER_SUBGRP(gs_info.es_verts_per_subgroup) |
+                              S_028A44_GS_PRIMS_PER_SUBGRP(gs_info.gs_prims_per_subgroup) |
+                              S_028A44_GS_INST_PRIMS_IN_SUBGRP(gs_info.gs_inst_prims_in_subgroup));
+               si_pm4_set_reg(pm4, R_028A94_VGT_GS_MAX_PRIMS_PER_SUBGROUP,
+                              S_028A94_MAX_PRIMS_PER_SUBGROUP(gs_info.max_prims_per_subgroup));
+               si_pm4_set_reg(pm4, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
+                              shader->key.part.gs.es->esgs_itemsize / 4);
+
+               if (es_type == PIPE_SHADER_TESS_EVAL)
+                       si_set_tesseval_regs(sscreen, shader->key.part.gs.es, pm4);
+
+               polaris_set_vgt_vertex_reuse(sscreen, shader->key.part.gs.es,
+                                            NULL, pm4);
+       } else {
+               si_pm4_set_reg(pm4, R_00B220_SPI_SHADER_PGM_LO_GS, va >> 8);
+               si_pm4_set_reg(pm4, R_00B224_SPI_SHADER_PGM_HI_GS, va >> 40);
+
+               si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS,
+                              S_00B228_VGPRS((shader->config.num_vgprs - 1) / 4) |
+                              S_00B228_SGPRS((shader->config.num_sgprs - 1) / 8) |
+                              S_00B228_DX10_CLAMP(1) |
+                              S_00B228_FLOAT_MODE(shader->config.float_mode));
+               si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS,
+                              S_00B22C_USER_SGPR(GFX6_GS_NUM_USER_SGPR) |
+                              S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
+       }
 }
 
 /**
@@ -635,14 +838,15 @@ static void si_shader_gs(struct si_shader *shader)
 static void si_shader_vs(struct si_screen *sscreen, struct si_shader *shader,
                          struct si_shader_selector *gs)
 {
+       const struct tgsi_shader_info *info = &shader->selector->info;
        struct si_pm4_state *pm4;
        unsigned num_user_sgprs;
        unsigned nparams, vgpr_comp_cnt;
        uint64_t va;
        unsigned oc_lds_en;
        unsigned window_space =
-          shader->selector->info.properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION];
-       bool enable_prim_id = si_vs_exports_prim_id(shader);
+          info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION];
+       bool enable_prim_id = shader->key.mono.u.vs_export_prim_id || info->uses_primid;
 
        pm4 = si_get_shader_pm4_state(shader);
        if (!pm4)
@@ -656,14 +860,25 @@ static void si_shader_vs(struct si_screen *sscreen, struct si_shader *shader,
         * not sent again.
         */
        if (!gs) {
-               si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE,
-                              S_028A40_MODE(enable_prim_id ? V_028A40_GS_SCENARIO_A : 0));
+               unsigned mode = V_028A40_GS_OFF;
+
+               /* PrimID needs GS scenario A. */
+               if (enable_prim_id)
+                       mode = V_028A40_GS_SCENARIO_A;
+
+               si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, S_028A40_MODE(mode));
                si_pm4_set_reg(pm4, R_028A84_VGT_PRIMITIVEID_EN, enable_prim_id);
        } else {
                si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, si_vgt_gs_mode(gs));
                si_pm4_set_reg(pm4, R_028A84_VGT_PRIMITIVEID_EN, 0);
        }
 
+       if (sscreen->b.chip_class <= VI) {
+               /* Reuse needs to be set off if we write oViewport. */
+               si_pm4_set_reg(pm4, R_028AB4_VGT_REUSE_OFF,
+                              S_028AB4_REUSE_OFF(info->writes_viewport_index));
+       }
+
        va = shader->bo->gpu_address;
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_BINARY);
 
@@ -671,10 +886,14 @@ static void si_shader_vs(struct si_screen *sscreen, struct si_shader *shader,
                vgpr_comp_cnt = 0; /* only VertexID is needed for GS-COPY. */
                num_user_sgprs = SI_GSCOPY_NUM_USER_SGPR;
        } else if (shader->selector->type == PIPE_SHADER_VERTEX) {
-               vgpr_comp_cnt = shader->info.uses_instanceid ? 3 : (enable_prim_id ? 2 : 0);
+               /* VGPR0-3: (VertexID, InstanceID / StepRate0, PrimID, InstanceID)
+                * If PrimID is disabled. InstanceID / StepRate1 is loaded instead.
+                * StepRate0 is set to 1. so that VGPR3 doesn't have to be loaded.
+                */
+               vgpr_comp_cnt = enable_prim_id ? 2 : (shader->info.uses_instanceid ? 1 : 0);
                num_user_sgprs = SI_VS_NUM_USER_SGPR;
        } else if (shader->selector->type == PIPE_SHADER_TESS_EVAL) {
-               vgpr_comp_cnt = 3; /* all components are needed for TES */
+               vgpr_comp_cnt = enable_prim_id ? 3 : 2;
                num_user_sgprs = SI_TES_NUM_USER_SGPR;
        } else
                unreachable("invalid shader selector type");
@@ -726,9 +945,9 @@ static void si_shader_vs(struct si_screen *sscreen, struct si_shader *shader,
                               S_028818_VPORT_Z_SCALE_ENA(1) | S_028818_VPORT_Z_OFFSET_ENA(1));
 
        if (shader->selector->type == PIPE_SHADER_TESS_EVAL)
-               si_set_tesseval_regs(sscreen, shader, pm4);
+               si_set_tesseval_regs(sscreen, shader->selector, pm4);
 
-       polaris_set_vgt_vertex_reuse(sscreen, shader, pm4);
+       polaris_set_vgt_vertex_reuse(sscreen, shader->selector, shader, pm4);
 }
 
 static unsigned si_get_ps_num_interp(struct si_shader *ps)
@@ -946,7 +1165,7 @@ static void si_shader_init_pm4_state(struct si_screen *sscreen,
                        si_shader_vs(sscreen, shader, NULL);
                break;
        case PIPE_SHADER_GEOMETRY:
-               si_shader_gs(shader);
+               si_shader_gs(sscreen, shader);
                break;
        case PIPE_SHADER_FRAGMENT:
                si_shader_ps(shader);
@@ -973,13 +1192,18 @@ static void si_shader_selector_key_vs(struct si_context *sctx,
        if (!sctx->vertex_elements)
                return;
 
+       prolog_key->instance_divisor_is_one =
+               sctx->vertex_elements->instance_divisor_is_one;
+       prolog_key->instance_divisor_is_fetched =
+               sctx->vertex_elements->instance_divisor_is_fetched;
+
+       /* Prefer a monolithic shader to allow scheduling divisions around
+        * VBO loads. */
+       if (prolog_key->instance_divisor_is_fetched)
+               key->opt.prefer_mono = 1;
+
        unsigned count = MIN2(vs->info.num_inputs,
                              sctx->vertex_elements->count);
-       for (unsigned i = 0; i < count; ++i) {
-               prolog_key->instance_divisors[i] =
-                       sctx->vertex_elements->elements[i].instance_divisor;
-       }
-
        memcpy(key->mono.vs_fix_fetch, sctx->vertex_elements->fix_fetch, count);
 }
 
@@ -989,7 +1213,7 @@ static void si_shader_selector_key_hw_vs(struct si_context *sctx,
 {
        struct si_shader_selector *ps = sctx->ps_shader.cso;
 
-       key->opt.hw_vs.clip_disable =
+       key->opt.clip_disable =
                sctx->queued.named.rasterizer->clip_plane_enable == 0 &&
                (vs->info.clipdist_writemask ||
                 vs->info.writes_clipvertex) &&
@@ -1017,22 +1241,19 @@ static void si_shader_selector_key_hw_vs(struct si_context *sctx,
 
        /* Find out which VS outputs aren't used by the PS. */
        uint64_t outputs_written = vs->outputs_written;
-       uint32_t outputs_written2 = vs->outputs_written2;
        uint64_t inputs_read = 0;
-       uint32_t inputs_read2 = 0;
 
-       outputs_written &= ~0x3; /* ignore POSITION, PSIZE */
+       /* ignore POSITION, PSIZE */
+       outputs_written &= ~((1ull << si_shader_io_get_unique_index(TGSI_SEMANTIC_POSITION, 0) |
+                            (1ull << si_shader_io_get_unique_index(TGSI_SEMANTIC_PSIZE, 0))));
 
        if (!ps_disabled) {
                inputs_read = ps->inputs_read;
-               inputs_read2 = ps->inputs_read2;
        }
 
        uint64_t linked = outputs_written & inputs_read;
-       uint32_t linked2 = outputs_written2 & inputs_read2;
 
-       key->opt.hw_vs.kill_outputs = ~linked & outputs_written;
-       key->opt.hw_vs.kill_outputs2 = ~linked2 & outputs_written2;
+       key->opt.kill_outputs = ~linked & outputs_written;
 }
 
 /* Compute the key for the hw shader variant */
@@ -1056,17 +1277,39 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                        si_shader_selector_key_hw_vs(sctx, sel, key);
 
                        if (sctx->ps_shader.cso && sctx->ps_shader.cso->info.uses_primid)
-                               key->part.vs.epilog.export_prim_id = 1;
+                               key->mono.u.vs_export_prim_id = 1;
                }
                break;
        case PIPE_SHADER_TESS_CTRL:
+               if (sctx->b.chip_class >= GFX9) {
+                       si_shader_selector_key_vs(sctx, sctx->vs_shader.cso,
+                                                 key, &key->part.tcs.ls_prolog);
+                       key->part.tcs.ls = sctx->vs_shader.cso;
+
+                       /* When the LS VGPR fix is needed, monolithic shaders
+                        * can:
+                        *  - avoid initializing EXEC in both the LS prolog
+                        *    and the LS main part when !vs_needs_prolog
+                        *  - remove the fixup for unused input VGPRs
+                        */
+                       key->part.tcs.ls_prolog.ls_vgpr_fix = sctx->ls_vgpr_fix;
+
+                       /* The LS output / HS input layout can be communicated
+                        * directly instead of via user SGPRs for merged LS-HS.
+                        * The LS VGPR fix prefers this too.
+                        */
+                       key->opt.prefer_mono = 1;
+               }
+
                key->part.tcs.epilog.prim_mode =
                        sctx->tes_shader.cso->info.properties[TGSI_PROPERTY_TES_PRIM_MODE];
+               key->part.tcs.epilog.invoc0_tess_factors_are_def =
+                       sel->tcs_info.tessfactors_are_def_in_all_invocs;
                key->part.tcs.epilog.tes_reads_tess_factors =
                        sctx->tes_shader.cso->info.reads_tess_factors;
 
                if (sel == sctx->fixed_func_tcs_shader.cso)
-                       key->mono.ff_tcs_inputs_to_copy = sctx->vs_shader.cso->outputs_written;
+                       key->mono.u.ff_tcs_inputs_to_copy = sctx->vs_shader.cso->outputs_written;
                break;
        case PIPE_SHADER_TESS_EVAL:
                if (sctx->gs_shader.cso)
@@ -1075,10 +1318,38 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                        si_shader_selector_key_hw_vs(sctx, sel, key);
 
                        if (sctx->ps_shader.cso && sctx->ps_shader.cso->info.uses_primid)
-                               key->part.tes.epilog.export_prim_id = 1;
+                               key->mono.u.vs_export_prim_id = 1;
                }
                break;
        case PIPE_SHADER_GEOMETRY:
+               if (sctx->b.chip_class >= GFX9) {
+                       if (sctx->tes_shader.cso) {
+                               key->part.gs.es = sctx->tes_shader.cso;
+                       } else {
+                               si_shader_selector_key_vs(sctx, sctx->vs_shader.cso,
+                                                         key, &key->part.gs.vs_prolog);
+                               key->part.gs.es = sctx->vs_shader.cso;
+                       }
+
+                       /* Merged ES-GS can have unbalanced wave usage.
+                        *
+                        * ES threads are per-vertex, while GS threads are
+                        * per-primitive. So without any amplification, there
+                        * are fewer GS threads than ES threads, which can result
+                        * in empty (no-op) GS waves. With too much amplification,
+                        * there are more GS threads than ES threads, which
+                        * can result in empty (no-op) ES waves.
+                        *
+                        * Non-monolithic shaders are implemented by setting EXEC
+                        * at the beginning of shader parts, and don't jump to
+                        * the end if EXEC is 0.
+                        *
+                        * Monolithic shaders use conditional blocks, so they can
+                        * jump and skip empty waves of ES or GS. So set this to
+                        * always use optimized variants, which are monolithic.
+                        */
+                       key->opt.prefer_mono = 1;
+               }
                key->part.gs.prolog.tri_strip_adj_fix = sctx->gs_tri_strip_adj_fix;
                break;
        case PIPE_SHADER_FRAGMENT: {
@@ -1102,6 +1373,7 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                                 sctx->framebuffer.spi_shader_col_format_alpha) |
                                (~blend->blend_enable_4bit & ~blend->need_src_alpha_4bit &
                                 sctx->framebuffer.spi_shader_col_format);
+                       key->part.ps.epilog.spi_shader_col_format &= blend->cb_target_enabled_4bit;
 
                        /* The output for dual source blending should have
                         * the same format as the first output.
@@ -1155,6 +1427,12 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                                                             sctx->framebuffer.nr_samples <= 1;
                        key->part.ps.epilog.clamp_color = rs->clamp_fragment_color;
 
+                       if (sctx->ps_iter_samples > 1 &&
+                           sel->info.reads_samplemask) {
+                               key->part.ps.prolog.samplemask_log_ps_iter =
+                                       util_logbase2(util_next_power_of_two(sctx->ps_iter_samples));
+                       }
+
                        if (rs->force_persample_interp &&
                            rs->multisample_enable &&
                            sctx->framebuffer.nr_samples > 1 &&
@@ -1186,6 +1464,9 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                                        sel->info.uses_linear_center +
                                        sel->info.uses_linear_centroid +
                                        sel->info.uses_linear_sample > 1;
+
+                               if (sel->info.opcode_count[TGSI_OPCODE_INTERP_SAMPLE])
+                                       key->mono.u.ps.interpolate_at_sample_force_center = 1;
                        }
                }
 
@@ -1195,11 +1476,15 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
        default:
                assert(0);
        }
+
+       if (unlikely(sctx->screen->b.debug_flags & DBG_NO_OPT_VARIANT))
+               memset(&key->opt, 0, sizeof(key->opt));
 }
 
-static void si_build_shader_variant(void *job, int thread_index)
+static void si_build_shader_variant(struct si_shader *shader,
+                                   int thread_index,
+                                   bool low_priority)
 {
-       struct si_shader *shader = (struct si_shader *)job;
        struct si_shader_selector *sel = shader->selector;
        struct si_screen *sscreen = sel->screen;
        LLVMTargetMachineRef tm;
@@ -1207,11 +1492,17 @@ static void si_build_shader_variant(void *job, int thread_index)
        int r;
 
        if (thread_index >= 0) {
-               assert(thread_index < ARRAY_SIZE(sscreen->tm));
-               tm = sscreen->tm[thread_index];
+               if (low_priority) {
+                       assert(thread_index < ARRAY_SIZE(sscreen->tm_low_priority));
+                       tm = sscreen->tm_low_priority[thread_index];
+               } else {
+                       assert(thread_index < ARRAY_SIZE(sscreen->tm));
+                       tm = sscreen->tm[thread_index];
+               }
                if (!debug->async)
                        debug = NULL;
        } else {
+               assert(!low_priority);
                tm = shader->compiler_ctx_state.tm;
        }
 
@@ -1235,6 +1526,45 @@ static void si_build_shader_variant(void *job, int thread_index)
        si_shader_init_pm4_state(sscreen, shader);
 }
 
+static void si_build_shader_variant_low_priority(void *job, int thread_index)
+{
+       struct si_shader *shader = (struct si_shader *)job;
+
+       assert(thread_index >= 0);
+
+       si_build_shader_variant(shader, thread_index, true);
+}
+
+static const struct si_shader_key zeroed;
+
+static bool si_check_missing_main_part(struct si_screen *sscreen,
+                                      struct si_shader_selector *sel,
+                                      struct si_compiler_ctx_state *compiler_state,
+                                      struct si_shader_key *key)
+{
+       struct si_shader **mainp = si_get_main_shader_part(sel, key);
+
+       if (!*mainp) {
+               struct si_shader *main_part = CALLOC_STRUCT(si_shader);
+
+               if (!main_part)
+                       return false;
+
+               main_part->selector = sel;
+               main_part->key.as_es = key->as_es;
+               main_part->key.as_ls = key->as_ls;
+
+               if (si_compile_tgsi_shader(sscreen, compiler_state->tm,
+                                          main_part, false,
+                                          &compiler_state->debug) != 0) {
+                       FREE(main_part);
+                       return false;
+               }
+               *mainp = main_part;
+       }
+       return true;
+}
+
 /* Select the hw shader variant depending on the current state. */
 static int si_shader_select_with_key(struct si_screen *sscreen,
                                     struct si_shader_ctx_state *state,
@@ -1242,15 +1572,11 @@ static int si_shader_select_with_key(struct si_screen *sscreen,
                                     struct si_shader_key *key,
                                     int thread_index)
 {
-       static const struct si_shader_key zeroed;
        struct si_shader_selector *sel = state->cso;
+       struct si_shader_selector *previous_stage_sel = NULL;
        struct si_shader *current = state->current;
        struct si_shader *iter, *shader = NULL;
 
-       if (unlikely(sscreen->b.debug_flags & DBG_NO_OPT_VARIANT)) {
-               memset(&key->opt, 0, sizeof(key->opt));
-       }
-
 again:
        /* Check if we don't need to change anything.
         * This path is also used for most shaders that don't need multiple
@@ -1311,37 +1637,69 @@ again:
        shader->key = *key;
        shader->compiler_ctx_state = *compiler_state;
 
+       /* If this is a merged shader, get the first shader's selector. */
+       if (sscreen->b.chip_class >= GFX9) {
+               if (sel->type == PIPE_SHADER_TESS_CTRL)
+                       previous_stage_sel = key->part.tcs.ls;
+               else if (sel->type == PIPE_SHADER_GEOMETRY)
+                       previous_stage_sel = key->part.gs.es;
+
+               /* We need to wait for the previous shader. */
+               if (previous_stage_sel && thread_index < 0)
+                       util_queue_fence_wait(&previous_stage_sel->ready);
+       }
+
        /* Compile the main shader part if it doesn't exist. This can happen
         * if the initial guess was wrong. */
-       struct si_shader **mainp = si_get_main_shader_part(sel, key);
        bool is_pure_monolithic =
                sscreen->use_monolithic_shaders ||
                memcmp(&key->mono, &zeroed.mono, sizeof(key->mono)) != 0;
 
-       if (!*mainp && !is_pure_monolithic) {
-               struct si_shader *main_part = CALLOC_STRUCT(si_shader);
+       if (!is_pure_monolithic) {
+               bool ok;
 
-               if (!main_part) {
-                       FREE(shader);
-                       mtx_unlock(&sel->mutex);
-                       return -ENOMEM; /* skip the draw call */
-               }
+               /* Make sure the main shader part is present. This is needed
+                * for shaders that can be compiled as VS, LS, or ES, and only
+                * one of them is compiled at creation.
+                *
+                * For merged shaders, check that the starting shader's main
+                * part is present.
+                */
+               if (previous_stage_sel) {
+                       struct si_shader_key shader1_key = zeroed;
 
-               main_part->selector = sel;
-               main_part->key.as_es = key->as_es;
-               main_part->key.as_ls = key->as_ls;
+                       if (sel->type == PIPE_SHADER_TESS_CTRL)
+                               shader1_key.as_ls = 1;
+                       else if (sel->type == PIPE_SHADER_GEOMETRY)
+                               shader1_key.as_es = 1;
+                       else
+                               assert(0);
 
-               if (si_compile_tgsi_shader(sscreen, compiler_state->tm,
-                                          main_part, false,
-                                          &compiler_state->debug) != 0) {
-                       FREE(main_part);
+                       mtx_lock(&previous_stage_sel->mutex);
+                       ok = si_check_missing_main_part(sscreen,
+                                                       previous_stage_sel,
+                                                       compiler_state, &shader1_key);
+                       mtx_unlock(&previous_stage_sel->mutex);
+               } else {
+                       ok = si_check_missing_main_part(sscreen, sel,
+                                                       compiler_state, key);
+               }
+               if (!ok) {
                        FREE(shader);
                        mtx_unlock(&sel->mutex);
                        return -ENOMEM; /* skip the draw call */
                }
-               *mainp = main_part;
        }
 
+       /* Keep the reference to the 1st shader of merged shaders, so that
+        * Gallium can't destroy it before we destroy the 2nd shader.
+        *
+        * Set sctx = NULL, because it's unused if we're not releasing
+        * the shader, and we don't have any sctx here.
+        */
+       si_shader_selector_reference(NULL, &shader->previous_stage_sel,
+                                    previous_stage_sel);
+
        /* Monolithic-only shaders don't make a distinction between optimized
         * and unoptimized. */
        shader->is_monolithic =
@@ -1367,9 +1725,9 @@ again:
            !is_pure_monolithic &&
            thread_index < 0) {
                /* Compile it asynchronously. */
-               util_queue_add_job(&sscreen->shader_compiler_queue,
+               util_queue_add_job(&sscreen->shader_compiler_queue_low_priority,
                                   shader, &shader->optimized_ready,
-                                  si_build_shader_variant, NULL);
+                                  si_build_shader_variant_low_priority, NULL);
 
                /* Use the default (unoptimized) shader for now. */
                memset(&key->opt, 0, sizeof(key->opt));
@@ -1378,7 +1736,7 @@ again:
        }
 
        assert(!shader->is_optimized);
-       si_build_shader_variant(shader, thread_index);
+       si_build_shader_variant(shader, thread_index, false);
 
        if (!shader->compilation_failed)
                state->current = shader;
@@ -1400,6 +1758,7 @@ static int si_shader_select(struct pipe_context *ctx,
 }
 
 static void si_parse_next_shader_property(const struct tgsi_shader_info *info,
+                                         bool streamout,
                                          struct si_shader_key *key)
 {
        unsigned next_shader = info->properties[TGSI_PROPERTY_NEXT_SHADER];
@@ -1415,11 +1774,12 @@ static void si_parse_next_shader_property(const struct tgsi_shader_info *info,
                        key->as_ls = 1;
                        break;
                default:
-                       /* If POSITION isn't written, it can't be a HW VS.
-                        * Assume that it's a HW LS. (the next shader is TCS)
+                       /* If POSITION isn't written, it can only be a HW VS
+                        * if streamout is used. If streamout isn't used,
+                        * assume that it's a HW LS. (the next shader is TCS)
                         * This heuristic is needed for separate shader objects.
                         */
-                       if (!info->writes_position)
+                       if (!info->writes_position && !streamout)
                                key->as_ls = 1;
                }
                break;
@@ -1437,7 +1797,7 @@ static void si_parse_next_shader_property(const struct tgsi_shader_info *info,
  * si_shader_selector initialization. Since it can be done asynchronously,
  * there is no way to report compile failures to applications.
  */
-void si_init_shader_selector_async(void *job, int thread_index)
+static void si_init_shader_selector_async(void *job, int thread_index)
 {
        struct si_shader_selector *sel = (struct si_shader_selector *)job;
        struct si_screen *sscreen = sel->screen;
@@ -1460,7 +1820,7 @@ void si_init_shader_selector_async(void *job, int thread_index)
         */
        if (!sscreen->use_monolithic_shaders) {
                struct si_shader *shader = CALLOC_STRUCT(si_shader);
-               void *tgsi_binary;
+               void *tgsi_binary = NULL;
 
                if (!shader) {
                        fprintf(stderr, "radeonsi: can't allocate a main shader part\n");
@@ -1468,9 +1828,12 @@ void si_init_shader_selector_async(void *job, int thread_index)
                }
 
                shader->selector = sel;
-               si_parse_next_shader_property(&sel->info, &shader->key);
+               si_parse_next_shader_property(&sel->info,
+                                             sel->so.num_outputs != 0,
+                                             &shader->key);
 
-               tgsi_binary = si_get_tgsi_binary(sel);
+               if (sel->tokens)
+                       tgsi_binary = si_get_tgsi_binary(sel);
 
                /* Try to load the shader from the shader cache. */
                mtx_lock(&sscreen->shader_cache_mutex);
@@ -1526,10 +1889,10 @@ void si_init_shader_selector_async(void *job, int thread_index)
                                switch (name) {
                                case TGSI_SEMANTIC_GENERIC:
                                        /* don't process indices the function can't handle */
-                                       if (index >= 60)
+                                       if (index >= SI_MAX_IO_GENERIC)
                                                break;
                                        /* fall through */
-                               case TGSI_SEMANTIC_CLIPDIST:
+                               default:
                                        id = si_shader_io_get_unique_index(name, index);
                                        sel->outputs_written &= ~(1ull << id);
                                        break;
@@ -1538,21 +1901,30 @@ void si_init_shader_selector_async(void *job, int thread_index)
                                case TGSI_SEMANTIC_CLIPVERTEX:
                                case TGSI_SEMANTIC_EDGEFLAG:
                                        break;
-                               default:
-                                       id = si_shader_io_get_unique_index2(name, index);
-                                       sel->outputs_written2 &= ~(1u << id);
                                }
                        }
                }
        }
 
        /* Pre-compilation. */
-       if (sscreen->b.debug_flags & DBG_PRECOMPILE) {
+       if (sscreen->b.debug_flags & DBG_PRECOMPILE &&
+           /* GFX9 needs LS or ES for compilation, which we don't have here. */
+           (sscreen->b.chip_class <= VI ||
+            (sel->type != PIPE_SHADER_TESS_CTRL &&
+             sel->type != PIPE_SHADER_GEOMETRY))) {
                struct si_shader_ctx_state state = {sel};
                struct si_shader_key key;
 
                memset(&key, 0, sizeof(key));
-               si_parse_next_shader_property(&sel->info, &key);
+               si_parse_next_shader_property(&sel->info,
+                                             sel->so.num_outputs != 0,
+                                             &key);
+
+               /* GFX9 doesn't have LS and ES. */
+               if (sscreen->b.chip_class >= GFX9) {
+                       key.as_ls = 0;
+                       key.as_es = 0;
+               }
 
                /* Set reasonable defaults, so that the shader key doesn't
                 * cause any code to be eliminated.
@@ -1594,6 +1966,30 @@ void si_init_shader_selector_async(void *job, int thread_index)
        }
 }
 
+/* Return descriptor slot usage masks from the given shader info. */
+void si_get_active_slot_masks(const struct tgsi_shader_info *info,
+                             uint32_t *const_and_shader_buffers,
+                             uint64_t *samplers_and_images)
+{
+       unsigned start, num_shaderbufs, num_constbufs, num_images, num_samplers;
+
+       num_shaderbufs = util_last_bit(info->shader_buffers_declared);
+       num_constbufs = util_last_bit(info->const_buffers_declared);
+       /* two 8-byte images share one 16-byte slot */
+       num_images = align(util_last_bit(info->images_declared), 2);
+       num_samplers = util_last_bit(info->samplers_declared);
+
+       /* The layout is: sb[last] ... sb[0], cb[0] ... cb[last] */
+       start = si_get_shaderbuf_slot(num_shaderbufs - 1);
+       *const_and_shader_buffers =
+               u_bit_consecutive(start, num_shaderbufs + num_constbufs);
+
+       /* The layout is: image[last] ... image[0], sampler[0] ... sampler[last] */
+       start = si_get_image_slot(num_images - 1) / 2;
+       *samplers_and_images =
+               u_bit_consecutive64(start, num_images / 2 + num_samplers);
+}
+
 static void *si_create_shader_selector(struct pipe_context *ctx,
                                       const struct pipe_shader_state *state)
 {
@@ -1605,20 +2001,45 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
        if (!sel)
                return NULL;
 
+       pipe_reference_init(&sel->reference, 1);
        sel->screen = sscreen;
        sel->compiler_ctx_state.tm = sctx->tm;
        sel->compiler_ctx_state.debug = sctx->b.debug;
        sel->compiler_ctx_state.is_debug_context = sctx->is_debug;
-       sel->tokens = tgsi_dup_tokens(state->tokens);
-       if (!sel->tokens) {
-               FREE(sel);
-               return NULL;
-       }
 
        sel->so = state->stream_output;
-       tgsi_scan_shader(state->tokens, &sel->info);
+
+       if (state->type == PIPE_SHADER_IR_TGSI) {
+               sel->tokens = tgsi_dup_tokens(state->tokens);
+               if (!sel->tokens) {
+                       FREE(sel);
+                       return NULL;
+               }
+
+               tgsi_scan_shader(state->tokens, &sel->info);
+               tgsi_scan_tess_ctrl(state->tokens, &sel->info, &sel->tcs_info);
+       } else {
+               assert(state->type == PIPE_SHADER_IR_NIR);
+
+               sel->nir = state->ir.nir;
+
+               si_nir_scan_shader(sel->nir, &sel->info);
+
+               si_lower_nir(sel);
+       }
+
        sel->type = sel->info.processor;
        p_atomic_inc(&sscreen->b.num_shaders_created);
+       si_get_active_slot_masks(&sel->info,
+                                &sel->active_const_and_shader_buffers,
+                                &sel->active_samplers_and_images);
+
+       /* Record which streamout buffers are enabled. */
+       for (i = 0; i < sel->so.num_outputs; i++) {
+               sel->enabled_streamout_buffer_mask |=
+                       (1 << sel->so.output[i].output_buffer) <<
+                       (sel->so.output[i].stream * 4);
+       }
 
        /* The prolog is a no-op if there are no inputs. */
        sel->vs_needs_prolog = sel->type == PIPE_SHADER_VERTEX &&
@@ -1663,8 +2084,8 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
        case PIPE_SHADER_TESS_CTRL:
                /* Always reserve space for these. */
                sel->patch_outputs_written |=
-                       (1llu << si_shader_io_get_unique_index(TGSI_SEMANTIC_TESSINNER, 0)) |
-                       (1llu << si_shader_io_get_unique_index(TGSI_SEMANTIC_TESSOUTER, 0));
+                       (1ull << si_shader_io_get_unique_index_patch(TGSI_SEMANTIC_TESSINNER, 0)) |
+                       (1ull << si_shader_io_get_unique_index_patch(TGSI_SEMANTIC_TESSOUTER, 0));
                /* fall through */
        case PIPE_SHADER_VERTEX:
        case PIPE_SHADER_TESS_EVAL:
@@ -1677,29 +2098,30 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
                        case TGSI_SEMANTIC_TESSOUTER:
                        case TGSI_SEMANTIC_PATCH:
                                sel->patch_outputs_written |=
-                                       1llu << si_shader_io_get_unique_index(name, index);
+                                       1ull << si_shader_io_get_unique_index_patch(name, index);
                                break;
 
                        case TGSI_SEMANTIC_GENERIC:
                                /* don't process indices the function can't handle */
-                               if (index >= 60)
+                               if (index >= SI_MAX_IO_GENERIC)
                                        break;
                                /* fall through */
-                       case TGSI_SEMANTIC_POSITION:
-                       case TGSI_SEMANTIC_PSIZE:
-                       case TGSI_SEMANTIC_CLIPDIST:
+                       default:
                                sel->outputs_written |=
-                                       1llu << si_shader_io_get_unique_index(name, index);
+                                       1ull << si_shader_io_get_unique_index(name, index);
                                break;
                        case TGSI_SEMANTIC_CLIPVERTEX: /* ignore these */
                        case TGSI_SEMANTIC_EDGEFLAG:
                                break;
-                       default:
-                               sel->outputs_written2 |=
-                                       1u << si_shader_io_get_unique_index2(name, index);
                        }
                }
                sel->esgs_itemsize = util_last_bit64(sel->outputs_written) * 16;
+
+               /* For the ESGS ring in LDS, add 1 dword to reduce LDS bank
+                * conflicts, i.e. each vertex will start at a different bank.
+                */
+               if (sctx->b.chip_class >= GFX9)
+                       sel->esgs_itemsize += 4;
                break;
 
        case PIPE_SHADER_FRAGMENT:
@@ -1708,16 +2130,17 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
                        unsigned index = sel->info.input_semantic_index[i];
 
                        switch (name) {
-                       case TGSI_SEMANTIC_CLIPDIST:
                        case TGSI_SEMANTIC_GENERIC:
+                               /* don't process indices the function can't handle */
+                               if (index >= SI_MAX_IO_GENERIC)
+                                       break;
+                               /* fall through */
+                       default:
                                sel->inputs_read |=
-                                       1llu << si_shader_io_get_unique_index(name, index);
+                                       1ull << si_shader_io_get_unique_index(name, index);
                                break;
                        case TGSI_SEMANTIC_PCOORD: /* ignore this */
                                break;
-                       default:
-                               sel->inputs_read2 |=
-                                       1u << si_shader_io_get_unique_index2(name, index);
                        }
                }
 
@@ -1734,6 +2157,22 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
                break;
        }
 
+       /* PA_CL_VS_OUT_CNTL */
+       bool misc_vec_ena =
+               sel->info.writes_psize || sel->info.writes_edgeflag ||
+               sel->info.writes_layer || sel->info.writes_viewport_index;
+       sel->pa_cl_vs_out_cntl =
+               S_02881C_USE_VTX_POINT_SIZE(sel->info.writes_psize) |
+               S_02881C_USE_VTX_EDGE_FLAG(sel->info.writes_edgeflag) |
+               S_02881C_USE_VTX_RENDER_TARGET_INDX(sel->info.writes_layer) |
+               S_02881C_USE_VTX_VIEWPORT_INDX(sel->info.writes_viewport_index) |
+               S_02881C_VS_OUT_MISC_VEC_ENA(misc_vec_ena) |
+               S_02881C_VS_OUT_MISC_SIDE_BUS_ENA(misc_vec_ena);
+       sel->clipdist_mask = sel->info.writes_clipvertex ?
+                                    SIX_BITS : sel->info.clipdist_writemask;
+       sel->culldist_mask = sel->info.culldist_writemask <<
+                            sel->info.num_written_clipdistance;
+
        /* DB_SHADER_CONTROL */
        sel->db_shader_control =
                S_02880C_Z_EXPORT_ENABLE(sel->info.writes_z) |
@@ -1789,7 +2228,7 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
 
        if ((sctx->b.debug.debug_message && !sctx->b.debug.async) ||
            sctx->is_debug ||
-           r600_can_dump_shader(&sscreen->b, sel->info.processor))
+           si_can_dump_shader(&sscreen->b, sel->info.processor))
                si_init_shader_selector_async(sel, -1);
        else
                util_queue_add_job(&sscreen->shader_compiler_queue, sel,
@@ -1799,9 +2238,60 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
        return sel;
 }
 
+static void si_update_streamout_state(struct si_context *sctx)
+{
+       struct si_shader_selector *shader_with_so = si_get_vs(sctx)->cso;
+
+       if (!shader_with_so)
+               return;
+
+       sctx->b.streamout.enabled_stream_buffers_mask =
+               shader_with_so->enabled_streamout_buffer_mask;
+       sctx->b.streamout.stride_in_dw = shader_with_so->so.stride;
+}
+
+static void si_update_clip_regs(struct si_context *sctx,
+                               struct si_shader_selector *old_hw_vs,
+                               struct si_shader *old_hw_vs_variant,
+                               struct si_shader_selector *next_hw_vs,
+                               struct si_shader *next_hw_vs_variant)
+{
+       if (next_hw_vs &&
+           (!old_hw_vs ||
+            old_hw_vs->info.properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION] !=
+            next_hw_vs->info.properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION] ||
+            old_hw_vs->pa_cl_vs_out_cntl != next_hw_vs->pa_cl_vs_out_cntl ||
+            old_hw_vs->clipdist_mask != next_hw_vs->clipdist_mask ||
+            old_hw_vs->culldist_mask != next_hw_vs->culldist_mask ||
+            !old_hw_vs_variant ||
+            !next_hw_vs_variant ||
+            old_hw_vs_variant->key.opt.clip_disable !=
+            next_hw_vs_variant->key.opt.clip_disable))
+               si_mark_atom_dirty(sctx, &sctx->clip_regs);
+}
+
+static void si_update_common_shader_state(struct si_context *sctx)
+{
+       sctx->uses_bindless_samplers =
+               si_shader_uses_bindless_samplers(sctx->vs_shader.cso)  ||
+               si_shader_uses_bindless_samplers(sctx->gs_shader.cso)  ||
+               si_shader_uses_bindless_samplers(sctx->ps_shader.cso)  ||
+               si_shader_uses_bindless_samplers(sctx->tcs_shader.cso) ||
+               si_shader_uses_bindless_samplers(sctx->tes_shader.cso);
+       sctx->uses_bindless_images =
+               si_shader_uses_bindless_images(sctx->vs_shader.cso)  ||
+               si_shader_uses_bindless_images(sctx->gs_shader.cso)  ||
+               si_shader_uses_bindless_images(sctx->ps_shader.cso)  ||
+               si_shader_uses_bindless_images(sctx->tcs_shader.cso) ||
+               si_shader_uses_bindless_images(sctx->tes_shader.cso);
+       sctx->do_update_shaders = true;
+}
+
 static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
 {
        struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *old_hw_vs = si_get_vs(sctx)->cso;
+       struct si_shader *old_hw_vs_variant = si_get_vs_state(sctx);
        struct si_shader_selector *sel = state;
 
        if (sctx->vs_shader.cso == sel)
@@ -1809,14 +2299,33 @@ static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
 
        sctx->vs_shader.cso = sel;
        sctx->vs_shader.current = sel ? sel->first_variant : NULL;
-       sctx->do_update_shaders = true;
-       si_mark_atom_dirty(sctx, &sctx->clip_regs);
-       r600_update_vs_writes_viewport_index(&sctx->b, si_get_vs_info(sctx));
+
+       si_update_common_shader_state(sctx);
+       si_update_vs_writes_viewport_index(sctx);
+       si_set_active_descriptors_for_shader(sctx, sel);
+       si_update_streamout_state(sctx);
+       si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant,
+                           si_get_vs(sctx)->cso, si_get_vs_state(sctx));
+}
+
+static void si_update_tess_uses_prim_id(struct si_context *sctx)
+{
+       sctx->ia_multi_vgt_param_key.u.tess_uses_prim_id =
+               (sctx->tes_shader.cso &&
+                sctx->tes_shader.cso->info.uses_primid) ||
+               (sctx->tcs_shader.cso &&
+                sctx->tcs_shader.cso->info.uses_primid) ||
+               (sctx->gs_shader.cso &&
+                sctx->gs_shader.cso->info.uses_primid) ||
+               (sctx->ps_shader.cso && !sctx->gs_shader.cso &&
+                sctx->ps_shader.cso->info.uses_primid);
 }
 
 static void si_bind_gs_shader(struct pipe_context *ctx, void *state)
 {
        struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *old_hw_vs = si_get_vs(sctx)->cso;
+       struct si_shader *old_hw_vs_variant = si_get_vs_state(sctx);
        struct si_shader_selector *sel = state;
        bool enable_changed = !!sctx->gs_shader.cso != !!sel;
 
@@ -1826,22 +2335,20 @@ static void si_bind_gs_shader(struct pipe_context *ctx, void *state)
        sctx->gs_shader.cso = sel;
        sctx->gs_shader.current = sel ? sel->first_variant : NULL;
        sctx->ia_multi_vgt_param_key.u.uses_gs = sel != NULL;
-       sctx->do_update_shaders = true;
-       si_mark_atom_dirty(sctx, &sctx->clip_regs);
+
+       si_update_common_shader_state(sctx);
        sctx->last_rast_prim = -1; /* reset this so that it gets updated */
 
-       if (enable_changed)
+       if (enable_changed) {
                si_shader_change_notify(sctx);
-       r600_update_vs_writes_viewport_index(&sctx->b, si_get_vs_info(sctx));
-}
-
-static void si_update_tcs_tes_uses_prim_id(struct si_context *sctx)
-{
-       sctx->ia_multi_vgt_param_key.u.tcs_tes_uses_prim_id =
-               (sctx->tes_shader.cso &&
-                sctx->tes_shader.cso->info.uses_primid) ||
-               (sctx->tcs_shader.cso &&
-                sctx->tcs_shader.cso->info.uses_primid);
+               if (sctx->ia_multi_vgt_param_key.u.uses_tess)
+                       si_update_tess_uses_prim_id(sctx);
+       }
+       si_update_vs_writes_viewport_index(sctx);
+       si_set_active_descriptors_for_shader(sctx, sel);
+       si_update_streamout_state(sctx);
+       si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant,
+                           si_get_vs(sctx)->cso, si_get_vs_state(sctx));
 }
 
 static void si_bind_tcs_shader(struct pipe_context *ctx, void *state)
@@ -1855,16 +2362,21 @@ static void si_bind_tcs_shader(struct pipe_context *ctx, void *state)
 
        sctx->tcs_shader.cso = sel;
        sctx->tcs_shader.current = sel ? sel->first_variant : NULL;
-       si_update_tcs_tes_uses_prim_id(sctx);
-       sctx->do_update_shaders = true;
+       si_update_tess_uses_prim_id(sctx);
+
+       si_update_common_shader_state(sctx);
 
        if (enable_changed)
                sctx->last_tcs = NULL; /* invalidate derived tess state */
+
+       si_set_active_descriptors_for_shader(sctx, sel);
 }
 
 static void si_bind_tes_shader(struct pipe_context *ctx, void *state)
 {
        struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *old_hw_vs = si_get_vs(sctx)->cso;
+       struct si_shader *old_hw_vs_variant = si_get_vs_state(sctx);
        struct si_shader_selector *sel = state;
        bool enable_changed = !!sctx->tes_shader.cso != !!sel;
 
@@ -1874,37 +2386,59 @@ static void si_bind_tes_shader(struct pipe_context *ctx, void *state)
        sctx->tes_shader.cso = sel;
        sctx->tes_shader.current = sel ? sel->first_variant : NULL;
        sctx->ia_multi_vgt_param_key.u.uses_tess = sel != NULL;
-       si_update_tcs_tes_uses_prim_id(sctx);
-       sctx->do_update_shaders = true;
-       si_mark_atom_dirty(sctx, &sctx->clip_regs);
+       si_update_tess_uses_prim_id(sctx);
+
+       si_update_common_shader_state(sctx);
        sctx->last_rast_prim = -1; /* reset this so that it gets updated */
 
        if (enable_changed) {
                si_shader_change_notify(sctx);
                sctx->last_tes_sh_base = -1; /* invalidate derived tess state */
        }
-       r600_update_vs_writes_viewport_index(&sctx->b, si_get_vs_info(sctx));
+       si_update_vs_writes_viewport_index(sctx);
+       si_set_active_descriptors_for_shader(sctx, sel);
+       si_update_streamout_state(sctx);
+       si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant,
+                           si_get_vs(sctx)->cso, si_get_vs_state(sctx));
 }
 
 static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
 {
        struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *old_sel = sctx->ps_shader.cso;
        struct si_shader_selector *sel = state;
 
        /* skip if supplied shader is one already in use */
-       if (sctx->ps_shader.cso == sel)
+       if (old_sel == sel)
                return;
 
        sctx->ps_shader.cso = sel;
        sctx->ps_shader.current = sel ? sel->first_variant : NULL;
-       sctx->do_update_shaders = true;
-       si_mark_atom_dirty(sctx, &sctx->cb_render_state);
+
+       si_update_common_shader_state(sctx);
+       if (sel) {
+               if (sctx->ia_multi_vgt_param_key.u.uses_tess)
+                       si_update_tess_uses_prim_id(sctx);
+
+               if (!old_sel ||
+                   old_sel->info.colors_written != sel->info.colors_written)
+                       si_mark_atom_dirty(sctx, &sctx->cb_render_state);
+
+               if (sctx->screen->has_out_of_order_rast &&
+                   (!old_sel ||
+                    old_sel->info.writes_memory != sel->info.writes_memory ||
+                    old_sel->info.properties[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL] !=
+                    sel->info.properties[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL]))
+                       si_mark_atom_dirty(sctx, &sctx->msaa_config);
+       }
+       si_set_active_descriptors_for_shader(sctx, sel);
 }
 
 static void si_delete_shader(struct si_context *sctx, struct si_shader *shader)
 {
        if (shader->is_optimized) {
-               util_queue_fence_wait(&shader->optimized_ready);
+               util_queue_drop_job(&sctx->screen->shader_compiler_queue_low_priority,
+                                   &shader->optimized_ready);
                util_queue_fence_destroy(&shader->optimized_ready);
        }
 
@@ -1944,14 +2478,14 @@ static void si_delete_shader(struct si_context *sctx, struct si_shader *shader)
                }
        }
 
+       si_shader_selector_reference(sctx, &shader->previous_stage_sel, NULL);
        si_shader_destroy(shader);
        free(shader);
 }
 
-static void si_delete_shader_selector(struct pipe_context *ctx, void *state)
+void si_destroy_shader_selector(struct si_context *sctx,
+                               struct si_shader_selector *sel)
 {
-       struct si_context *sctx = (struct si_context *)ctx;
-       struct si_shader_selector *sel = (struct si_shader_selector *)state;
        struct si_shader *p = sel->first_variant, *c;
        struct si_shader_ctx_state *current_shader[SI_NUM_SHADERS] = {
                [PIPE_SHADER_VERTEX] = &sctx->vs_shader,
@@ -1961,7 +2495,7 @@ static void si_delete_shader_selector(struct pipe_context *ctx, void *state)
                [PIPE_SHADER_FRAGMENT] = &sctx->ps_shader,
        };
 
-       util_queue_fence_wait(&sel->ready);
+       util_queue_drop_job(&sctx->screen->shader_compiler_queue, &sel->ready);
 
        if (current_shader[sel->type]->cso == sel) {
                current_shader[sel->type]->cso = NULL;
@@ -1986,9 +2520,18 @@ static void si_delete_shader_selector(struct pipe_context *ctx, void *state)
        util_queue_fence_destroy(&sel->ready);
        mtx_destroy(&sel->mutex);
        free(sel->tokens);
+       ralloc_free(sel->nir);
        free(sel);
 }
 
+static void si_delete_shader_selector(struct pipe_context *ctx, void *state)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       struct si_shader_selector *sel = (struct si_shader_selector *)state;
+
+       si_shader_selector_reference(sctx, &sel, NULL);
+}
+
 static unsigned si_get_ps_input_cntl(struct si_context *sctx,
                                     struct si_shader *vs, unsigned name,
                                     unsigned index, unsigned interpolate)
@@ -2169,7 +2712,7 @@ static bool si_update_gs_ring_buffers(struct si_context *sctx)
        if (update_esgs) {
                pipe_resource_reference(&sctx->esgs_ring, NULL);
                sctx->esgs_ring =
-                       r600_aligned_buffer_create(sctx->b.b.screen,
+                       si_aligned_buffer_create(sctx->b.b.screen,
                                                   R600_RESOURCE_FLAG_UNMAPPABLE,
                                                   PIPE_USAGE_DEFAULT,
                                                   esgs_ring_size, alignment);
@@ -2180,7 +2723,7 @@ static bool si_update_gs_ring_buffers(struct si_context *sctx)
        if (update_gsvs) {
                pipe_resource_reference(&sctx->gsvs_ring, NULL);
                sctx->gsvs_ring =
-                       r600_aligned_buffer_create(sctx->b.b.screen,
+                       si_aligned_buffer_create(sctx->b.b.screen,
                                                   R600_RESOURCE_FLAG_UNMAPPABLE,
                                                   PIPE_USAGE_DEFAULT,
                                                   gsvs_ring_size, alignment);
@@ -2244,6 +2787,22 @@ static bool si_update_gs_ring_buffers(struct si_context *sctx)
        return true;
 }
 
+static void si_shader_lock(struct si_shader *shader)
+{
+       mtx_lock(&shader->selector->mutex);
+       if (shader->previous_stage_sel) {
+               assert(shader->previous_stage_sel != shader->selector);
+               mtx_lock(&shader->previous_stage_sel->mutex);
+       }
+}
+
+static void si_shader_unlock(struct si_shader *shader)
+{
+       if (shader->previous_stage_sel)
+               mtx_unlock(&shader->previous_stage_sel->mutex);
+       mtx_unlock(&shader->selector->mutex);
+}
+
 /**
  * @returns 1 if \p sel has been updated to use a new scratch buffer
  *          0 if not
@@ -2262,25 +2821,40 @@ static int si_update_scratch_buffer(struct si_context *sctx,
        if (shader->config.scratch_bytes_per_wave == 0)
                return 0;
 
+       /* Prevent race conditions when updating:
+        * - si_shader::scratch_bo
+        * - si_shader::binary::code
+        * - si_shader::previous_stage::binary::code.
+        */
+       si_shader_lock(shader);
+
        /* This shader is already configured to use the current
         * scratch buffer. */
-       if (shader->scratch_bo == sctx->scratch_buffer)
+       if (shader->scratch_bo == sctx->scratch_buffer) {
+               si_shader_unlock(shader);
                return 0;
+       }
 
        assert(sctx->scratch_buffer);
 
-       si_shader_apply_scratch_relocs(sctx, shader, &shader->config, scratch_va);
+       if (shader->previous_stage)
+               si_shader_apply_scratch_relocs(shader->previous_stage, scratch_va);
+
+       si_shader_apply_scratch_relocs(shader, scratch_va);
 
        /* Replace the shader bo with a new bo that has the relocs applied. */
        r = si_shader_binary_upload(sctx->screen, shader);
-       if (r)
+       if (r) {
+               si_shader_unlock(shader);
                return r;
+       }
 
        /* Update the shader state to use the new shader bo. */
        si_shader_init_pm4_state(sctx->screen, shader);
 
        r600_resource_reference(&shader->scratch_bo, sctx->scratch_buffer);
 
+       si_shader_unlock(shader);
        return 1;
 }
 
@@ -2294,6 +2868,15 @@ static unsigned si_get_scratch_buffer_bytes_per_wave(struct si_shader *shader)
        return shader ? shader->config.scratch_bytes_per_wave : 0;
 }
 
+static struct si_shader *si_get_tcs_current(struct si_context *sctx)
+{
+       if (!sctx->tes_shader.cso)
+               return NULL; /* tessellation disabled */
+
+       return sctx->tcs_shader.cso ? sctx->tcs_shader.current :
+                                     sctx->fixed_func_tcs_shader.current;
+}
+
 static unsigned si_get_max_scratch_bytes_per_wave(struct si_context *sctx)
 {
        unsigned bytes = 0;
@@ -2301,11 +2884,71 @@ static unsigned si_get_max_scratch_bytes_per_wave(struct si_context *sctx)
        bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->ps_shader.current));
        bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->gs_shader.current));
        bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->vs_shader.current));
-       bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->tcs_shader.current));
        bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(sctx->tes_shader.current));
+
+       if (sctx->tes_shader.cso) {
+               struct si_shader *tcs = si_get_tcs_current(sctx);
+
+               bytes = MAX2(bytes, si_get_scratch_buffer_bytes_per_wave(tcs));
+       }
        return bytes;
 }
 
+static bool si_update_scratch_relocs(struct si_context *sctx)
+{
+       struct si_shader *tcs = si_get_tcs_current(sctx);
+       int r;
+
+       /* Update the shaders, so that they are using the latest scratch.
+        * The scratch buffer may have been changed since these shaders were
+        * last used, so we still need to try to update them, even if they
+        * require scratch buffers smaller than the current size.
+        */
+       r = si_update_scratch_buffer(sctx, sctx->ps_shader.current);
+       if (r < 0)
+               return false;
+       if (r == 1)
+               si_pm4_bind_state(sctx, ps, sctx->ps_shader.current->pm4);
+
+       r = si_update_scratch_buffer(sctx, sctx->gs_shader.current);
+       if (r < 0)
+               return false;
+       if (r == 1)
+               si_pm4_bind_state(sctx, gs, sctx->gs_shader.current->pm4);
+
+       r = si_update_scratch_buffer(sctx, tcs);
+       if (r < 0)
+               return false;
+       if (r == 1)
+               si_pm4_bind_state(sctx, hs, tcs->pm4);
+
+       /* VS can be bound as LS, ES, or VS. */
+       r = si_update_scratch_buffer(sctx, sctx->vs_shader.current);
+       if (r < 0)
+               return false;
+       if (r == 1) {
+               if (sctx->tes_shader.current)
+                       si_pm4_bind_state(sctx, ls, sctx->vs_shader.current->pm4);
+               else if (sctx->gs_shader.current)
+                       si_pm4_bind_state(sctx, es, sctx->vs_shader.current->pm4);
+               else
+                       si_pm4_bind_state(sctx, vs, sctx->vs_shader.current->pm4);
+       }
+
+       /* TES can be bound as ES or VS. */
+       r = si_update_scratch_buffer(sctx, sctx->tes_shader.current);
+       if (r < 0)
+               return false;
+       if (r == 1) {
+               if (sctx->gs_shader.current)
+                       si_pm4_bind_state(sctx, es, sctx->tes_shader.current->pm4);
+               else
+                       si_pm4_bind_state(sctx, vs, sctx->tes_shader.current->pm4);
+       }
+
+       return true;
+}
+
 static bool si_update_spi_tmpring_size(struct si_context *sctx)
 {
        unsigned current_scratch_buffer_size =
@@ -2315,7 +2958,6 @@ static bool si_update_spi_tmpring_size(struct si_context *sctx)
        unsigned scratch_needed_size = scratch_bytes_per_wave *
                sctx->scratch_waves;
        unsigned spi_tmpring_size;
-       int r;
 
        if (scratch_needed_size > 0) {
                if (scratch_needed_size > current_scratch_buffer_size) {
@@ -2323,7 +2965,7 @@ static bool si_update_spi_tmpring_size(struct si_context *sctx)
                        r600_resource_reference(&sctx->scratch_buffer, NULL);
 
                        sctx->scratch_buffer = (struct r600_resource*)
-                               r600_aligned_buffer_create(&sctx->screen->b.b,
+                               si_aligned_buffer_create(&sctx->screen->b.b,
                                                           R600_RESOURCE_FLAG_UNMAPPABLE,
                                                           PIPE_USAGE_DEFAULT,
                                                           scratch_needed_size, 256);
@@ -2335,52 +2977,8 @@ static bool si_update_spi_tmpring_size(struct si_context *sctx)
                                                       &sctx->scratch_buffer->b.b);
                }
 
-               /* Update the shaders, so they are using the latest scratch.  The
-                * scratch buffer may have been changed since these shaders were
-                * last used, so we still need to try to update them, even if
-                * they require scratch buffers smaller than the current size.
-                */
-               r = si_update_scratch_buffer(sctx, sctx->ps_shader.current);
-               if (r < 0)
-                       return false;
-               if (r == 1)
-                       si_pm4_bind_state(sctx, ps, sctx->ps_shader.current->pm4);
-
-               r = si_update_scratch_buffer(sctx, sctx->gs_shader.current);
-               if (r < 0)
-                       return false;
-               if (r == 1)
-                       si_pm4_bind_state(sctx, gs, sctx->gs_shader.current->pm4);
-
-               r = si_update_scratch_buffer(sctx, sctx->tcs_shader.current);
-               if (r < 0)
-                       return false;
-               if (r == 1)
-                       si_pm4_bind_state(sctx, hs, sctx->tcs_shader.current->pm4);
-
-               /* VS can be bound as LS, ES, or VS. */
-               r = si_update_scratch_buffer(sctx, sctx->vs_shader.current);
-               if (r < 0)
-                       return false;
-               if (r == 1) {
-                       if (sctx->tes_shader.current)
-                               si_pm4_bind_state(sctx, ls, sctx->vs_shader.current->pm4);
-                       else if (sctx->gs_shader.current)
-                               si_pm4_bind_state(sctx, es, sctx->vs_shader.current->pm4);
-                       else
-                               si_pm4_bind_state(sctx, vs, sctx->vs_shader.current->pm4);
-               }
-
-               /* TES can be bound as ES or VS. */
-               r = si_update_scratch_buffer(sctx, sctx->tes_shader.current);
-               if (r < 0)
+               if (!si_update_scratch_relocs(sctx))
                        return false;
-               if (r == 1) {
-                       if (sctx->gs_shader.current)
-                               si_pm4_bind_state(sctx, es, sctx->tes_shader.current->pm4);
-                       else
-                               si_pm4_bind_state(sctx, vs, sctx->tes_shader.current->pm4);
-               }
        }
 
        /* The LLVM shader backend should be reporting aligned scratch_sizes. */
@@ -2401,7 +2999,10 @@ static void si_init_tess_factor_ring(struct si_context *sctx)
        bool double_offchip_buffers = sctx->b.chip_class >= CIK &&
                                      sctx->b.family != CHIP_CARRIZO &&
                                      sctx->b.family != CHIP_STONEY;
-       unsigned max_offchip_buffers_per_se = double_offchip_buffers ? 128 : 64;
+       /* This must be one less than the maximum number due to a hw limitation.
+        * Various hardware bugs in SI, CIK, and GFX9 need this.
+        */
+       unsigned max_offchip_buffers_per_se = double_offchip_buffers ? 127 : 63;
        unsigned max_offchip_buffers = max_offchip_buffers_per_se *
                                       sctx->screen->b.info.max_se;
        unsigned offchip_granularity;
@@ -2418,43 +3019,42 @@ static void si_init_tess_factor_ring(struct si_context *sctx)
                break;
        }
 
-       switch (sctx->b.chip_class) {
-       case SI:
-               max_offchip_buffers = MIN2(max_offchip_buffers, 126);
-               break;
-       case CIK:
-       case VI:
-       case GFX9:
-               max_offchip_buffers = MIN2(max_offchip_buffers, 508);
-               break;
-       default:
-               assert(0);
-               return;
-       }
-
        assert(!sctx->tf_ring);
-       sctx->tf_ring = r600_aligned_buffer_create(sctx->b.b.screen,
+       /* Use 64K alignment for both rings, so that we can pass the address
+        * to shaders as one SGPR containing bits [16:47].
+        */
+       sctx->tf_ring = si_aligned_buffer_create(sctx->b.b.screen,
                                                   R600_RESOURCE_FLAG_UNMAPPABLE,
                                                   PIPE_USAGE_DEFAULT,
                                                   32768 * sctx->screen->b.info.max_se,
-                                                  256);
+                                                  64 * 1024);
        if (!sctx->tf_ring)
                return;
 
        assert(((sctx->tf_ring->width0 / 4) & C_030938_SIZE) == 0);
 
        sctx->tess_offchip_ring =
-               r600_aligned_buffer_create(sctx->b.b.screen,
+               si_aligned_buffer_create(sctx->b.b.screen,
                                           R600_RESOURCE_FLAG_UNMAPPABLE,
                                           PIPE_USAGE_DEFAULT,
                                           max_offchip_buffers *
                                           sctx->screen->tess_offchip_block_dw_size * 4,
-                                          256);
+                                          64 * 1024);
        if (!sctx->tess_offchip_ring)
                return;
 
        si_init_config_add_vgt_flush(sctx);
 
+       uint64_t offchip_va = r600_resource(sctx->tess_offchip_ring)->gpu_address;
+       uint64_t factor_va = r600_resource(sctx->tf_ring)->gpu_address;
+       assert((offchip_va & 0xffff) == 0);
+       assert((factor_va & 0xffff) == 0);
+
+       si_pm4_add_bo(sctx->init_config, r600_resource(sctx->tess_offchip_ring),
+                     RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_RINGS);
+       si_pm4_add_bo(sctx->init_config, r600_resource(sctx->tf_ring),
+                     RADEON_USAGE_READWRITE, RADEON_PRIO_SHADER_RINGS);
+
        /* Append these registers to the init config state. */
        if (sctx->b.chip_class >= CIK) {
                if (sctx->b.chip_class >= VI)
@@ -2463,10 +3063,10 @@ static void si_init_tess_factor_ring(struct si_context *sctx)
                si_pm4_set_reg(sctx->init_config, R_030938_VGT_TF_RING_SIZE,
                               S_030938_SIZE(sctx->tf_ring->width0 / 4));
                si_pm4_set_reg(sctx->init_config, R_030940_VGT_TF_MEMORY_BASE,
-                              r600_resource(sctx->tf_ring)->gpu_address >> 8);
+                              factor_va >> 8);
                if (sctx->b.chip_class >= GFX9)
                        si_pm4_set_reg(sctx->init_config, R_030944_VGT_TF_MEMORY_BASE_HI,
-                                      r600_resource(sctx->tf_ring)->gpu_address >> 40);
+                                      factor_va >> 40);
                si_pm4_set_reg(sctx->init_config, R_03093C_VGT_HS_OFFCHIP_PARAM,
                             S_03093C_OFFCHIP_BUFFERING(max_offchip_buffers) |
                             S_03093C_OFFCHIP_GRANULARITY(offchip_granularity));
@@ -2475,24 +3075,37 @@ static void si_init_tess_factor_ring(struct si_context *sctx)
                si_pm4_set_reg(sctx->init_config, R_008988_VGT_TF_RING_SIZE,
                               S_008988_SIZE(sctx->tf_ring->width0 / 4));
                si_pm4_set_reg(sctx->init_config, R_0089B8_VGT_TF_MEMORY_BASE,
-                              r600_resource(sctx->tf_ring)->gpu_address >> 8);
+                              factor_va >> 8);
                si_pm4_set_reg(sctx->init_config, R_0089B0_VGT_HS_OFFCHIP_PARAM,
                               S_0089B0_OFFCHIP_BUFFERING(max_offchip_buffers));
        }
 
+       if (sctx->b.chip_class >= GFX9) {
+               si_pm4_set_reg(sctx->init_config,
+                              R_00B430_SPI_SHADER_USER_DATA_LS_0 +
+                              GFX9_SGPR_TCS_OFFCHIP_ADDR_BASE64K * 4,
+                              offchip_va >> 16);
+               si_pm4_set_reg(sctx->init_config,
+                              R_00B430_SPI_SHADER_USER_DATA_LS_0 +
+                              GFX9_SGPR_TCS_FACTOR_ADDR_BASE64K * 4,
+                              factor_va >> 16);
+       } else {
+               si_pm4_set_reg(sctx->init_config,
+                              R_00B430_SPI_SHADER_USER_DATA_HS_0 +
+                              GFX6_SGPR_TCS_OFFCHIP_ADDR_BASE64K * 4,
+                              offchip_va >> 16);
+               si_pm4_set_reg(sctx->init_config,
+                              R_00B430_SPI_SHADER_USER_DATA_HS_0 +
+                              GFX6_SGPR_TCS_FACTOR_ADDR_BASE64K * 4,
+                              factor_va >> 16);
+       }
+
        /* Flush the context to re-emit the init_config state.
         * This is done only once in a lifetime of a context.
         */
        si_pm4_upload_indirect_buffer(sctx, sctx->init_config);
        sctx->b.initial_gfx_cs_size = 0; /* force flush */
        si_context_gfx_flush(sctx, RADEON_FLUSH_ASYNC, NULL);
-
-       si_set_ring_buffer(&sctx->b.b, SI_HS_RING_TESS_FACTOR, sctx->tf_ring,
-                          0, sctx->tf_ring->width0, false, false, 0, 0, 0);
-
-       si_set_ring_buffer(&sctx->b.b, SI_HS_RING_TESS_OFFCHIP,
-                          sctx->tess_offchip_ring, 0,
-                          sctx->tess_offchip_ring->width0, false, false, 0, 0, 0);
 }
 
 /**
@@ -2563,25 +3176,16 @@ static void si_update_vgt_shader_config(struct si_context *sctx)
        si_pm4_bind_state(sctx, vgt_shader_config, *pm4);
 }
 
-static void si_update_so(struct si_context *sctx, struct si_shader_selector *shader)
-{
-       struct pipe_stream_output_info *so = &shader->so;
-       uint32_t enabled_stream_buffers_mask = 0;
-       int i;
-
-       for (i = 0; i < so->num_outputs; i++)
-               enabled_stream_buffers_mask |= (1 << so->output[i].output_buffer) << (so->output[i].stream * 4);
-       sctx->b.streamout.enabled_stream_buffers_mask = enabled_stream_buffers_mask;
-       sctx->b.streamout.stride_in_dw = shader->so.stride;
-}
-
 bool si_update_shaders(struct si_context *sctx)
 {
        struct pipe_context *ctx = (struct pipe_context*)sctx;
        struct si_compiler_ctx_state compiler_state;
        struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
        struct si_shader *old_vs = si_get_vs_state(sctx);
-       bool old_clip_disable = old_vs ? old_vs->key.opt.hw_vs.clip_disable : false;
+       bool old_clip_disable = old_vs ? old_vs->key.opt.clip_disable : false;
+       struct si_shader *old_ps = sctx->ps_shader.current;
+       unsigned old_spi_shader_col_format =
+               old_ps ? old_ps->key.part.ps.epilog.spi_shader_col_format : 0;
        int r;
 
        compiler_state.tm = sctx->tm;
@@ -2642,7 +3246,6 @@ bool si_update_shaders(struct si_context *sctx)
                        if (r)
                                return false;
                        si_pm4_bind_state(sctx, vs, sctx->tes_shader.current->pm4);
-                       si_update_so(sctx, sctx->tes_shader.cso);
                }
        } else if (sctx->gs_shader.cso) {
                if (sctx->b.chip_class <= VI) {
@@ -2662,8 +3265,6 @@ bool si_update_shaders(struct si_context *sctx)
                if (r)
                        return false;
                si_pm4_bind_state(sctx, vs, sctx->vs_shader.current->pm4);
-               si_update_so(sctx, sctx->vs_shader.cso);
-
                si_pm4_bind_state(sctx, ls, NULL);
                si_pm4_bind_state(sctx, hs, NULL);
        }
@@ -2675,7 +3276,6 @@ bool si_update_shaders(struct si_context *sctx)
                        return false;
                si_pm4_bind_state(sctx, gs, sctx->gs_shader.current->pm4);
                si_pm4_bind_state(sctx, vs, sctx->gs_shader.cso->gs_copy_shader->pm4);
-               si_update_so(sctx, sctx->gs_shader.cso);
 
                if (!si_update_gs_ring_buffers(sctx))
                        return false;
@@ -2687,7 +3287,7 @@ bool si_update_shaders(struct si_context *sctx)
 
        si_update_vgt_shader_config(sctx);
 
-       if (old_clip_disable != si_get_vs_state(sctx)->key.opt.hw_vs.clip_disable)
+       if (old_clip_disable != si_get_vs_state(sctx)->key.opt.clip_disable)
                si_mark_atom_dirty(sctx, &sctx->clip_regs);
 
        if (sctx->ps_shader.cso) {
@@ -2710,12 +3310,18 @@ bool si_update_shaders(struct si_context *sctx)
                        si_mark_atom_dirty(sctx, &sctx->spi_map);
                }
 
-               if (sctx->screen->b.rbplus_allowed && si_pm4_state_changed(sctx, ps))
+               if (sctx->screen->b.rbplus_allowed &&
+                   si_pm4_state_changed(sctx, ps) &&
+                   (!old_ps ||
+                    old_spi_shader_col_format !=
+                    sctx->ps_shader.current->key.part.ps.epilog.spi_shader_col_format))
                        si_mark_atom_dirty(sctx, &sctx->cb_render_state);
 
                if (sctx->ps_db_shader_control != db_shader_control) {
                        sctx->ps_db_shader_control = db_shader_control;
                        si_mark_atom_dirty(sctx, &sctx->db_render_state);
+                       if (sctx->screen->dpbb_allowed)
+                               si_mark_atom_dirty(sctx, &sctx->dpbb_state);
                }
 
                if (sctx->smoothing_enabled != sctx->ps_shader.current->key.part.ps.epilog.poly_line_smoothing) {
@@ -2730,18 +3336,47 @@ bool si_update_shaders(struct si_context *sctx)
                }
        }
 
-       if (si_pm4_state_changed(sctx, ls) ||
-           si_pm4_state_changed(sctx, hs) ||
-           si_pm4_state_changed(sctx, es) ||
-           si_pm4_state_changed(sctx, gs) ||
-           si_pm4_state_changed(sctx, vs) ||
-           si_pm4_state_changed(sctx, ps)) {
+       if (si_pm4_state_enabled_and_changed(sctx, ls) ||
+           si_pm4_state_enabled_and_changed(sctx, hs) ||
+           si_pm4_state_enabled_and_changed(sctx, es) ||
+           si_pm4_state_enabled_and_changed(sctx, gs) ||
+           si_pm4_state_enabled_and_changed(sctx, vs) ||
+           si_pm4_state_enabled_and_changed(sctx, ps)) {
                if (!si_update_spi_tmpring_size(sctx))
                        return false;
        }
 
-       if (sctx->b.chip_class >= CIK)
-               si_mark_atom_dirty(sctx, &sctx->prefetch_L2);
+       if (sctx->b.chip_class >= CIK) {
+               if (si_pm4_state_enabled_and_changed(sctx, ls))
+                       sctx->prefetch_L2_mask |= SI_PREFETCH_LS;
+               else if (!sctx->queued.named.ls)
+                       sctx->prefetch_L2_mask &= ~SI_PREFETCH_LS;
+
+               if (si_pm4_state_enabled_and_changed(sctx, hs))
+                       sctx->prefetch_L2_mask |= SI_PREFETCH_HS;
+               else if (!sctx->queued.named.hs)
+                       sctx->prefetch_L2_mask &= ~SI_PREFETCH_HS;
+
+               if (si_pm4_state_enabled_and_changed(sctx, es))
+                       sctx->prefetch_L2_mask |= SI_PREFETCH_ES;
+               else if (!sctx->queued.named.es)
+                       sctx->prefetch_L2_mask &= ~SI_PREFETCH_ES;
+
+               if (si_pm4_state_enabled_and_changed(sctx, gs))
+                       sctx->prefetch_L2_mask |= SI_PREFETCH_GS;
+               else if (!sctx->queued.named.gs)
+                       sctx->prefetch_L2_mask &= ~SI_PREFETCH_GS;
+
+               if (si_pm4_state_enabled_and_changed(sctx, vs))
+                       sctx->prefetch_L2_mask |= SI_PREFETCH_VS;
+               else if (!sctx->queued.named.vs)
+                       sctx->prefetch_L2_mask &= ~SI_PREFETCH_VS;
+
+               if (si_pm4_state_enabled_and_changed(sctx, ps))
+                       sctx->prefetch_L2_mask |= SI_PREFETCH_PS;
+               else if (!sctx->queued.named.ps)
+                       sctx->prefetch_L2_mask &= ~SI_PREFETCH_PS;
+       }
 
        sctx->do_update_shaders = false;
        return true;