r600: fork and import gallium/radeon
[mesa.git] / src / gallium / drivers / radeonsi / si_pipe.c
index de4e5da0e03ebdba0ccab7b9d4a0d0166dced442..97e3847240927438a0ff9d9222aa88e54e5b780f 100644 (file)
 #include "sid.h"
 
 #include "radeon/radeon_uvd.h"
+#include "util/hash_table.h"
+#include "util/u_log.h"
 #include "util/u_memory.h"
 #include "util/u_suballoc.h"
 #include "util/u_tests.h"
+#include "util/xmlconfig.h"
 #include "vl/vl_decoder.h"
 #include "../ddebug/dd_util.h"
 
+#include "compiler/nir/nir.h"
+
 /*
  * pipe_context
  */
@@ -50,10 +55,6 @@ static void si_destroy_context(struct pipe_context *context)
 
        si_release_all_descriptors(sctx);
 
-       if (sctx->ce_suballocator)
-               u_suballocator_destroy(sctx->ce_suballocator);
-
-       r600_resource_reference(&sctx->ce_ram_saved_buffer, NULL);
        pipe_resource_reference(&sctx->esgs_ring, NULL);
        pipe_resource_reference(&sctx->gsvs_ring, NULL);
        pipe_resource_reference(&sctx->tf_ring, NULL);
@@ -63,6 +64,7 @@ static void si_destroy_context(struct pipe_context *context)
        free(sctx->border_color_table);
        r600_resource_reference(&sctx->scratch_buffer, NULL);
        r600_resource_reference(&sctx->compute_scratch_buffer, NULL);
+       r600_resource_reference(&sctx->wait_mem_scratch, NULL);
 
        si_pm4_free_state(sctx, sctx->init_config, ~0);
        if (sctx->init_config_gs_rings)
@@ -76,24 +78,30 @@ static void si_destroy_context(struct pipe_context *context)
                sctx->b.b.delete_depth_stencil_alpha_state(&sctx->b.b, sctx->custom_dsa_flush);
        if (sctx->custom_blend_resolve)
                sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_resolve);
-       if (sctx->custom_blend_decompress)
-               sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_decompress);
-       if (sctx->custom_blend_fastclear)
-               sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_fastclear);
+       if (sctx->custom_blend_fmask_decompress)
+               sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_fmask_decompress);
+       if (sctx->custom_blend_eliminate_fastclear)
+               sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_eliminate_fastclear);
        if (sctx->custom_blend_dcc_decompress)
                sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_dcc_decompress);
 
        if (sctx->blitter)
                util_blitter_destroy(sctx->blitter);
 
-       r600_common_context_cleanup(&sctx->b);
+       si_common_context_cleanup(&sctx->b);
 
        LLVMDisposeTargetMachine(sctx->tm);
 
-       r600_resource_reference(&sctx->trace_buf, NULL);
-       r600_resource_reference(&sctx->last_trace_buf, NULL);
-       radeon_clear_saved_cs(&sctx->last_gfx);
+       si_saved_cs_reference(&sctx->current_saved_cs, NULL);
+
+       _mesa_hash_table_destroy(sctx->tex_handles, NULL);
+       _mesa_hash_table_destroy(sctx->img_handles, NULL);
 
+       util_dynarray_fini(&sctx->resident_tex_handles);
+       util_dynarray_fini(&sctx->resident_img_handles);
+       util_dynarray_fini(&sctx->resident_tex_needs_color_decompress);
+       util_dynarray_fini(&sctx->resident_img_needs_color_decompress);
+       util_dynarray_fini(&sctx->resident_tex_needs_depth_decompress);
        FREE(sctx);
 }
 
@@ -119,6 +127,9 @@ static void si_emit_string_marker(struct pipe_context *ctx,
        struct si_context *sctx = (struct si_context *)ctx;
 
        dd_parse_apitrace_marker(string, len, &sctx->apitrace_call_number);
+
+       if (sctx->b.log)
+               u_log_printf(sctx->b.log, "\nString marker: %*s\n", len, string);
 }
 
 static LLVMTargetMachineRef
@@ -128,18 +139,29 @@ si_create_llvm_target_machine(struct si_screen *sscreen)
        char features[256];
 
        snprintf(features, sizeof(features),
-                "+DumpCode,+vgpr-spilling,-fp32-denormals,+fp64-denormals%s%s",
+                "+DumpCode,+vgpr-spilling,-fp32-denormals,+fp64-denormals%s%s%s",
                 sscreen->b.chip_class >= GFX9 ? ",+xnack" : ",-xnack",
+                sscreen->llvm_has_working_vgpr_indexing ? "" : ",-promote-alloca",
                 sscreen->b.debug_flags & DBG_SI_SCHED ? ",+si-scheduler" : "");
 
-       return LLVMCreateTargetMachine(si_llvm_get_amdgpu_target(triple), triple,
-                                      r600_get_llvm_processor_name(sscreen->b.family),
+       return LLVMCreateTargetMachine(ac_get_llvm_target(triple), triple,
+                                      si_get_llvm_processor_name(sscreen->b.family),
                                       features,
                                       LLVMCodeGenLevelDefault,
                                       LLVMRelocDefault,
                                       LLVMCodeModelDefault);
 }
 
+static void si_set_log_context(struct pipe_context *ctx,
+                              struct u_log_context *log)
+{
+       struct si_context *sctx = (struct si_context *)ctx;
+       sctx->b.log = log;
+
+       if (log)
+               u_log_add_auto_logger(log, si_auto_log_cs, sctx);
+}
+
 static struct pipe_context *si_create_context(struct pipe_screen *screen,
                                               unsigned flags)
 {
@@ -151,9 +173,6 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
        if (!sctx)
                return NULL;
 
-       if (sscreen->b.debug_flags & DBG_CHECK_VM)
-               flags |= PIPE_CONTEXT_DEBUG;
-
        if (flags & PIPE_CONTEXT_DEBUG)
                sscreen->record_llvm_ir = true; /* racy but not critical */
 
@@ -161,11 +180,12 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
        sctx->b.b.priv = NULL;
        sctx->b.b.destroy = si_destroy_context;
        sctx->b.b.emit_string_marker = si_emit_string_marker;
+       sctx->b.b.set_log_context = si_set_log_context;
        sctx->b.set_atom_dirty = (void *)si_set_atom_dirty;
        sctx->screen = sscreen; /* Easy accessing of screen/winsys. */
        sctx->is_debug = (flags & PIPE_CONTEXT_DEBUG) != 0;
 
-       if (!r600_common_context_init(&sctx->b, &sscreen->b, flags))
+       if (!si_common_context_init(&sctx->b, &sscreen->b, flags))
                goto fail;
 
        if (sscreen->b.info.drm_major == 3)
@@ -186,36 +206,6 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 
        sctx->b.gfx.cs = ws->cs_create(sctx->b.ctx, RING_GFX,
                                       si_context_gfx_flush, sctx);
-
-       /* SI + AMDGPU + CE = GPU hang */
-       if (!(sscreen->b.debug_flags & DBG_NO_CE) && ws->cs_add_const_ib &&
-           sscreen->b.chip_class != SI &&
-           /* These can't use CE due to a power gating bug in the kernel. */
-           sscreen->b.family != CHIP_CARRIZO &&
-           sscreen->b.family != CHIP_STONEY &&
-           /* Some CE bug is causing green screen corruption w/ MPV video
-            * playback and occasional corruption w/ 3D. */
-           sscreen->b.chip_class != GFX9) {
-               sctx->ce_ib = ws->cs_add_const_ib(sctx->b.gfx.cs);
-               if (!sctx->ce_ib)
-                       goto fail;
-
-               if (ws->cs_add_const_preamble_ib) {
-                       sctx->ce_preamble_ib =
-                                  ws->cs_add_const_preamble_ib(sctx->b.gfx.cs);
-
-                       if (!sctx->ce_preamble_ib)
-                               goto fail;
-               }
-
-               sctx->ce_suballocator =
-                       u_suballocator_create(&sctx->b.b, 1024 * 1024, 0,
-                                             PIPE_USAGE_DEFAULT,
-                                             R600_RESOURCE_FLAG_UNMAPPABLE, false);
-               if (!sctx->ce_suballocator)
-                       goto fail;
-       }
-
        sctx->b.gfx.flush = si_context_gfx_flush;
 
        /* Border colors. */
@@ -253,18 +243,35 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
        sctx->blitter = util_blitter_create(&sctx->b.b);
        if (sctx->blitter == NULL)
                goto fail;
-       sctx->blitter->draw_rectangle = r600_draw_rectangle;
+       sctx->blitter->draw_rectangle = si_draw_rectangle;
 
        sctx->sample_mask.sample_mask = 0xffff;
 
        /* these must be last */
        si_begin_new_cs(sctx);
 
+       if (sctx->b.chip_class >= GFX9) {
+               sctx->wait_mem_scratch = (struct r600_resource*)
+                       pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT, 4);
+               if (!sctx->wait_mem_scratch)
+                       goto fail;
+
+               /* Initialize the memory. */
+               struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
+               radeon_emit(cs, PKT3(PKT3_WRITE_DATA, 3, 0));
+               radeon_emit(cs, S_370_DST_SEL(V_370_MEMORY_SYNC) |
+                           S_370_WR_CONFIRM(1) |
+                           S_370_ENGINE_SEL(V_370_ME));
+               radeon_emit(cs, sctx->wait_mem_scratch->gpu_address);
+               radeon_emit(cs, sctx->wait_mem_scratch->gpu_address >> 32);
+               radeon_emit(cs, sctx->wait_mem_number);
+       }
+
        /* CIK cannot unbind a constant buffer (S_BUFFER_LOAD doesn't skip loads
         * if NUM_RECORDS == 0). We need to use a dummy buffer instead. */
        if (sctx->b.chip_class == CIK) {
                sctx->null_const_buf.buffer =
-                       r600_aligned_buffer_create(screen,
+                       si_aligned_buffer_create(screen,
                                                   R600_RESOURCE_FLAG_UNMAPPABLE,
                                                   PIPE_USAGE_DEFAULT, 16,
                                                   sctx->screen->b.info.tcc_cache_line_size);
@@ -281,6 +288,8 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 
                si_set_rw_buffer(sctx, SI_HS_CONST_DEFAULT_TESS_LEVELS,
                                 &sctx->null_const_buf);
+               si_set_rw_buffer(sctx, SI_VS_CONST_INSTANCE_DIVISORS,
+                                &sctx->null_const_buf);
                si_set_rw_buffer(sctx, SI_VS_CONST_CLIP_PLANES,
                                 &sctx->null_const_buf);
                si_set_rw_buffer(sctx, SI_PS_CONST_POLY_STIPPLE,
@@ -316,6 +325,18 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 
        sctx->tm = si_create_llvm_target_machine(sscreen);
 
+       /* Bindless handles. */
+       sctx->tex_handles = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
+                                                   _mesa_key_pointer_equal);
+       sctx->img_handles = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
+                                                   _mesa_key_pointer_equal);
+
+       util_dynarray_init(&sctx->resident_tex_handles, NULL);
+       util_dynarray_init(&sctx->resident_img_handles, NULL);
+       util_dynarray_init(&sctx->resident_tex_needs_color_decompress, NULL);
+       util_dynarray_init(&sctx->resident_img_needs_color_decompress, NULL);
+       util_dynarray_init(&sctx->resident_tex_needs_depth_decompress, NULL);
+
        return &sctx->b.b;
 fail:
        fprintf(stderr, "radeonsi: Failed to create a context.\n");
@@ -327,7 +348,12 @@ static struct pipe_context *si_pipe_create_context(struct pipe_screen *screen,
                                                   void *priv, unsigned flags)
 {
        struct si_screen *sscreen = (struct si_screen *)screen;
-       struct pipe_context *ctx = si_create_context(screen, flags);
+       struct pipe_context *ctx;
+
+       if (sscreen->b.debug_flags & DBG_CHECK_VM)
+               flags |= PIPE_CONTEXT_DEBUG;
+
+       ctx = si_create_context(screen, flags);
 
        if (!(flags & PIPE_CONTEXT_PREFER_THREADED))
                return ctx;
@@ -345,12 +371,11 @@ static struct pipe_context *si_pipe_create_context(struct pipe_screen *screen,
 
        /* When shaders are logged to stderr, asynchronous compilation is
         * disabled too. */
-       if (sscreen->b.debug_flags & (DBG_VS | DBG_TCS | DBG_TES | DBG_GS |
-                                     DBG_PS | DBG_CS))
+       if (sscreen->b.debug_flags & DBG_ALL_SHADERS)
                return ctx;
 
        return threaded_context_create(ctx, &sscreen->b.pool_transfers,
-                                      r600_replace_buffer_storage,
+                                      si_replace_buffer_storage,
                                       &((struct si_context*)ctx)->b.tc);
 }
 
@@ -455,6 +480,15 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_DOUBLES:
        case PIPE_CAP_TGSI_TEX_TXF_LZ:
        case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
+       case PIPE_CAP_BINDLESS_TEXTURE:
+       case PIPE_CAP_QUERY_TIMESTAMP:
+       case PIPE_CAP_QUERY_TIME_ELAPSED:
+       case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
+       case PIPE_CAP_QUERY_SO_OVERFLOW:
+       case PIPE_CAP_MEMOBJ:
+       case PIPE_CAP_LOAD_CONSTBUF:
+               return 1;
+
        case PIPE_CAP_INT64:
        case PIPE_CAP_INT64_DIVMOD:
        case PIPE_CAP_TGSI_CLOCK:
@@ -495,6 +529,8 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                return 4;
 
        case PIPE_CAP_GLSL_FEATURE_LEVEL:
+               if (sscreen->b.debug_flags & DBG_NIR)
+                       return 140; /* no geometry and tessellation shaders yet */
                if (si_have_tgsi_compute(sscreen))
                        return 450;
                return 420;
@@ -512,6 +548,9 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                        sscreen->b.info.drm_minor < 50);
 
        case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+               /* TODO: GFX9 hangs. */
+               if (sscreen->b.chip_class >= GFX9)
+                       return 0;
                /* Disable on SI due to VM faults in CP DMA. Enable once these
                 * faults are mitigated in software.
                 */
@@ -536,6 +575,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_TGSI_MUL_ZERO_WINS:
        case PIPE_CAP_UMA:
        case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
+       case PIPE_CAP_POST_DEPTH_COVERAGE:
                return 0;
 
        case PIPE_CAP_QUERY_BUFFER_OBJECT:
@@ -585,11 +625,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_MAX_RENDER_TARGETS:
                return 8;
 
-       /* Timer queries, present when the clock frequency is non zero. */
-       case PIPE_CAP_QUERY_TIMESTAMP:
-       case PIPE_CAP_QUERY_TIME_ELAPSED:
-               return sscreen->b.info.clock_crystal_freq != 0;
-
        case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
        case PIPE_CAP_MIN_TEXEL_OFFSET:
                return -32;
@@ -693,38 +728,81 @@ static int si_get_shader_param(struct pipe_screen* pscreen,
        case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
                return 32;
        case PIPE_SHADER_CAP_PREFERRED_IR:
+               if (sscreen->b.debug_flags & DBG_NIR &&
+                   (shader == PIPE_SHADER_VERTEX ||
+                    shader == PIPE_SHADER_FRAGMENT))
+                       return PIPE_SHADER_IR_NIR;
                return PIPE_SHADER_IR_TGSI;
        case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
-               return 3;
+               return 4;
 
        /* Supported boolean features. */
        case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
        case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
-       case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
        case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
        case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
        case PIPE_SHADER_CAP_INTEGERS:
+       case PIPE_SHADER_CAP_INT64_ATOMICS:
+       case PIPE_SHADER_CAP_FP16:
        case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
        case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
        case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
+       case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
                return 1;
 
        case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
-               /* TODO: Indirection of geometry shader input dimension is not
-                * handled yet
-                */
-               return shader != PIPE_SHADER_GEOMETRY;
+               /* TODO: Indirect indexing of GS inputs is unimplemented. */
+               return shader != PIPE_SHADER_GEOMETRY &&
+                      (sscreen->llvm_has_working_vgpr_indexing ||
+                       /* TCS and TES load inputs directly from LDS or
+                        * offchip memory, so indirect indexing is trivial. */
+                       shader == PIPE_SHADER_TESS_CTRL ||
+                       shader == PIPE_SHADER_TESS_EVAL);
+
+       case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
+               return sscreen->llvm_has_working_vgpr_indexing ||
+                      /* TCS stores outputs directly to memory. */
+                      shader == PIPE_SHADER_TESS_CTRL;
 
        /* Unsupported boolean features. */
        case PIPE_SHADER_CAP_SUBROUTINES:
        case PIPE_SHADER_CAP_SUPPORTED_IRS:
-       case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
        case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
                return 0;
        }
        return 0;
 }
 
+static const struct nir_shader_compiler_options nir_options = {
+       .vertex_id_zero_based = true,
+       .lower_scmp = true,
+       .lower_flrp32 = true,
+       .lower_fsat = true,
+       .lower_fdiv = true,
+       .lower_sub = true,
+       .lower_pack_snorm_2x16 = true,
+       .lower_pack_snorm_4x8 = true,
+       .lower_pack_unorm_2x16 = true,
+       .lower_pack_unorm_4x8 = true,
+       .lower_unpack_snorm_2x16 = true,
+       .lower_unpack_snorm_4x8 = true,
+       .lower_unpack_unorm_2x16 = true,
+       .lower_unpack_unorm_4x8 = true,
+       .lower_extract_byte = true,
+       .lower_extract_word = true,
+       .max_unroll_iterations = 32,
+       .native_integers = true,
+};
+
+static const void *
+si_get_compiler_options(struct pipe_screen *screen,
+                       enum pipe_shader_ir ir,
+                       enum pipe_shader_type shader)
+{
+       assert(ir == PIPE_SHADER_IR_NIR);
+       return &nir_options;
+}
+
 static void si_destroy_screen(struct pipe_screen* pscreen)
 {
        struct si_screen *sscreen = (struct si_screen *)pscreen;
@@ -741,24 +819,29 @@ static void si_destroy_screen(struct pipe_screen* pscreen)
                return;
 
        util_queue_destroy(&sscreen->shader_compiler_queue);
+       util_queue_destroy(&sscreen->shader_compiler_queue_low_priority);
 
        for (i = 0; i < ARRAY_SIZE(sscreen->tm); i++)
                if (sscreen->tm[i])
                        LLVMDisposeTargetMachine(sscreen->tm[i]);
 
+       for (i = 0; i < ARRAY_SIZE(sscreen->tm_low_priority); i++)
+               if (sscreen->tm_low_priority[i])
+                       LLVMDisposeTargetMachine(sscreen->tm_low_priority[i]);
+
        /* Free shader parts. */
        for (i = 0; i < ARRAY_SIZE(parts); i++) {
                while (parts[i]) {
                        struct si_shader_part *part = parts[i];
 
                        parts[i] = part->next;
-                       radeon_shader_binary_clean(&part->binary);
+                       si_radeon_shader_binary_clean(&part->binary);
                        FREE(part);
                }
        }
        mtx_destroy(&sscreen->shader_parts_mutex);
        si_destroy_shader_cache(sscreen);
-       r600_destroy_common_screen(&sscreen->b);
+       si_destroy_common_screen(&sscreen->b);
 }
 
 static bool si_init_gs_info(struct si_screen *sscreen)
@@ -802,7 +885,7 @@ static void si_handle_env_var_force_family(struct si_screen *sscreen)
                return;
 
        for (i = CHIP_TAHITI; i < CHIP_LAST; i++) {
-               if (!strcmp(family, r600_get_llvm_processor_name(i))) {
+               if (!strcmp(family, si_get_llvm_processor_name(i))) {
                        /* Override family and chip_class. */
                        sscreen->b.family = sscreen->b.info.family = i;
 
@@ -856,10 +939,23 @@ static void si_test_vmfault(struct si_screen *sscreen)
        exit(0);
 }
 
-struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
+static void radeonsi_get_driver_uuid(struct pipe_screen *pscreen, char *uuid)
+{
+       ac_compute_driver_uuid(uuid, PIPE_UUID_SIZE);
+}
+
+static void radeonsi_get_device_uuid(struct pipe_screen *pscreen, char *uuid)
+{
+       struct r600_common_screen *rscreen = (struct r600_common_screen *)pscreen;
+
+       ac_compute_device_uuid(&rscreen->info, uuid, PIPE_UUID_SIZE);
+}
+
+struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws,
+                                          const struct pipe_screen_config *config)
 {
        struct si_screen *sscreen = CALLOC_STRUCT(si_screen);
-       unsigned num_cpus, num_compiler_threads, i;
+       unsigned num_threads, num_compiler_threads, num_compiler_threads_lowprio, i;
 
        if (!sscreen) {
                return NULL;
@@ -870,28 +966,56 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
        sscreen->b.b.destroy = si_destroy_screen;
        sscreen->b.b.get_param = si_get_param;
        sscreen->b.b.get_shader_param = si_get_shader_param;
-       sscreen->b.b.resource_create = r600_resource_create_common;
+       sscreen->b.b.get_compiler_options = si_get_compiler_options;
+       sscreen->b.b.get_device_uuid = radeonsi_get_device_uuid;
+       sscreen->b.b.get_driver_uuid = radeonsi_get_driver_uuid;
+       sscreen->b.b.resource_create = si_resource_create_common;
 
        si_init_screen_state_functions(sscreen);
 
-       if (!r600_common_screen_init(&sscreen->b, ws) ||
+       /* Set these flags in debug_flags early, so that the shader cache takes
+        * them into account.
+        */
+       if (driQueryOptionb(config->options,
+                           "glsl_correct_derivatives_after_discard"))
+               sscreen->b.debug_flags |= DBG_FS_CORRECT_DERIVS_AFTER_KILL;
+       if (driQueryOptionb(config->options, "radeonsi_enable_sisched"))
+               sscreen->b.debug_flags |= DBG_SI_SCHED;
+
+       if (!si_common_screen_init(&sscreen->b, ws) ||
            !si_init_gs_info(sscreen) ||
            !si_init_shader_cache(sscreen)) {
                FREE(sscreen);
                return NULL;
        }
 
-       /* Only enable as many threads as we have target machines and CPUs. */
-       num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-       num_compiler_threads = MIN2(num_cpus, ARRAY_SIZE(sscreen->tm));
+       /* Only enable as many threads as we have target machines, but at most
+        * the number of CPUs - 1 if there is more than one.
+        */
+       num_threads = sysconf(_SC_NPROCESSORS_ONLN);
+       num_threads = MAX2(1, num_threads - 1);
+       num_compiler_threads = MIN2(num_threads, ARRAY_SIZE(sscreen->tm));
+       num_compiler_threads_lowprio =
+               MIN2(num_threads, ARRAY_SIZE(sscreen->tm_low_priority));
 
        if (!util_queue_init(&sscreen->shader_compiler_queue, "si_shader",
-                            32, num_compiler_threads)) {
+                            32, num_compiler_threads,
+                            UTIL_QUEUE_INIT_RESIZE_IF_FULL)) {
                si_destroy_shader_cache(sscreen);
                FREE(sscreen);
                return NULL;
        }
 
+       if (!util_queue_init(&sscreen->shader_compiler_queue_low_priority,
+                            "si_shader_low",
+                            32, num_compiler_threads_lowprio,
+                            UTIL_QUEUE_INIT_RESIZE_IF_FULL |
+                            UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY)) {
+              si_destroy_shader_cache(sscreen);
+              FREE(sscreen);
+              return NULL;
+       }
+
        si_handle_env_var_force_family(sscreen);
 
        if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", false))
@@ -903,6 +1027,10 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
        sscreen->tess_offchip_block_dw_size =
                sscreen->b.family == CHIP_HAWAII ? 4096 : 8192;
 
+       /* The mere presense of CLEAR_STATE in the IB causes random GPU hangs
+        * on SI. */
+       sscreen->has_clear_state = sscreen->b.chip_class >= CIK;
+
        sscreen->has_distributed_tess =
                sscreen->b.chip_class >= VI &&
                sscreen->b.info.max_se >= 2;
@@ -916,14 +1044,30 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
                 sscreen->b.info.pfp_fw_version >= 211 &&
                 sscreen->b.info.me_fw_version >= 173) ||
                (sscreen->b.chip_class == SI &&
-                sscreen->b.info.pfp_fw_version >= 121 &&
-                sscreen->b.info.me_fw_version >= 87);
-
-       sscreen->has_ds_bpermute = sscreen->b.chip_class >= VI;
+                sscreen->b.info.pfp_fw_version >= 79 &&
+                sscreen->b.info.me_fw_version >= 142);
+
+       sscreen->has_out_of_order_rast = sscreen->b.chip_class >= VI &&
+                                        sscreen->b.info.max_se >= 2 &&
+                                        !(sscreen->b.debug_flags & DBG_NO_OUT_OF_ORDER);
+       sscreen->assume_no_z_fights =
+               driQueryOptionb(config->options, "radeonsi_assume_no_z_fights");
+       sscreen->commutative_blend_add =
+               driQueryOptionb(config->options, "radeonsi_commutative_blend_add");
        sscreen->has_msaa_sample_loc_bug = (sscreen->b.family >= CHIP_POLARIS10 &&
                                            sscreen->b.family <= CHIP_POLARIS12) ||
                                           sscreen->b.family == CHIP_VEGA10 ||
                                           sscreen->b.family == CHIP_RAVEN;
+       sscreen->dpbb_allowed = sscreen->b.chip_class >= GFX9 &&
+                               !(sscreen->b.debug_flags & DBG_NO_DPBB);
+       sscreen->dfsm_allowed = sscreen->dpbb_allowed &&
+                               !(sscreen->b.debug_flags & DBG_NO_DFSM);
+
+       /* While it would be nice not to have this flag, we are constrained
+        * by the reality that LLVM 5.0 doesn't have working VGPR indexing
+        * on GFX9.
+        */
+       sscreen->llvm_has_working_vgpr_indexing = sscreen->b.chip_class <= VI;
 
        sscreen->b.has_cp_dma = true;
        sscreen->b.has_streamout = true;
@@ -946,21 +1090,27 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
                (sscreen->b.debug_flags & DBG_MONOLITHIC_SHADERS) != 0;
 
        sscreen->b.barrier_flags.cp_to_L2 = SI_CONTEXT_INV_SMEM_L1 |
-                                           SI_CONTEXT_INV_VMEM_L1 |
-                                           SI_CONTEXT_INV_GLOBAL_L2;
+                                           SI_CONTEXT_INV_VMEM_L1;
+       if (sscreen->b.chip_class <= VI) {
+               sscreen->b.barrier_flags.cp_to_L2 |= SI_CONTEXT_INV_GLOBAL_L2;
+               sscreen->b.barrier_flags.L2_to_cp |= SI_CONTEXT_WRITEBACK_GLOBAL_L2;
+       }
+
        sscreen->b.barrier_flags.compute_to_L2 = SI_CONTEXT_CS_PARTIAL_FLUSH;
 
        if (debug_get_bool_option("RADEON_DUMP_SHADERS", false))
-               sscreen->b.debug_flags |= DBG_FS | DBG_VS | DBG_GS | DBG_PS | DBG_CS;
+               sscreen->b.debug_flags |= DBG_ALL_SHADERS;
 
        for (i = 0; i < num_compiler_threads; i++)
                sscreen->tm[i] = si_create_llvm_target_machine(sscreen);
+       for (i = 0; i < num_compiler_threads_lowprio; i++)
+               sscreen->tm_low_priority[i] = si_create_llvm_target_machine(sscreen);
 
        /* Create the auxiliary context. This must be done last. */
        sscreen->b.aux_context = si_create_context(&sscreen->b.b, 0);
 
        if (sscreen->b.debug_flags & DBG_TEST_DMA)
-               r600_test_dma(&sscreen->b);
+               si_test_dma(&sscreen->b);
 
        if (sscreen->b.debug_flags & (DBG_TEST_VMFAULT_CP |
                                      DBG_TEST_VMFAULT_SDMA |