intel/disasm: Label support in shader disassembly for UIP/JIP
[mesa.git] / src / mesa / drivers / dri / i965 / brw_cs.c
index dacb25e5eeafdd2c8aaf1dd370fd4f7de23af875..990acabc80b2058b860357ded280b989b3ce91e0 100644 (file)
 #include "brw_program.h"
 #include "compiler/glsl/ir_uniform.h"
 
+struct brw_cs_parameters
+brw_cs_get_parameters(const struct brw_context *brw)
+{
+   assert(brw->cs.base.prog_data);
+   struct brw_cs_prog_data *cs_prog_data =
+      brw_cs_prog_data(brw->cs.base.prog_data);
+
+   struct brw_cs_parameters params = {};
+
+   if (brw->compute.group_size) {
+      /* With ARB_compute_variable_group_size the group size is set at
+       * dispatch time, so we can't use the one provided by the compiler.
+       */
+      params.group_size = brw->compute.group_size[0] *
+                          brw->compute.group_size[1] *
+                          brw->compute.group_size[2];
+   } else {
+      params.group_size = cs_prog_data->local_size[0] *
+                          cs_prog_data->local_size[1] *
+                          cs_prog_data->local_size[2];
+   }
+
+   params.simd_size =
+      brw_cs_simd_size_for_group_size(&brw->screen->devinfo,
+                                      cs_prog_data, params.group_size);
+   params.threads = DIV_ROUND_UP(params.group_size, params.simd_size);
+
+   return params;
+}
+
 static void
 assign_cs_binding_table_offsets(const struct gen_device_info *devinfo,
                                 const struct gl_program *prog,
@@ -55,15 +85,15 @@ brw_codegen_cs_prog(struct brw_context *brw,
    const struct gen_device_info *devinfo = &brw->screen->devinfo;
    const GLuint *program;
    void *mem_ctx = ralloc_context(NULL);
-   GLuint program_size;
    struct brw_cs_prog_data prog_data;
    bool start_busy = false;
    double start_time = 0;
+   nir_shader *nir = nir_shader_clone(mem_ctx, cp->program.nir);
 
    memset(&prog_data, 0, sizeof(prog_data));
 
    if (cp->program.info.cs.shared_size > 64 * 1024) {
-      cp->program.sh.data->LinkStatus = linking_failure;
+      cp->program.sh.data->LinkStatus = LINKING_FAILURE;
       const char *error_str =
          "Compute shader used more than 64KB of shared variables";
       ralloc_strcat(&cp->program.sh.data->InfoLog, error_str);
@@ -71,24 +101,12 @@ brw_codegen_cs_prog(struct brw_context *brw,
 
       ralloc_free(mem_ctx);
       return false;
-   } else {
-      prog_data.base.total_shared = cp->program.info.cs.shared_size;
    }
 
    assign_cs_binding_table_offsets(devinfo, &cp->program, &prog_data);
 
-   /* Allocate the references to the uniforms that will end up in the
-    * prog_data associated with the compiled program, and which will be freed
-    * by the state cache.
-    */
-   int param_count = cp->program.nir->num_uniforms / 4;
-
-   prog_data.base.param = rzalloc_array(NULL, uint32_t, param_count);
-   prog_data.base.pull_param = rzalloc_array(NULL, uint32_t, param_count);
-   prog_data.base.nr_params = param_count;
-
-   brw_nir_setup_glsl_uniforms(cp->program.nir, &cp->program,&prog_data.base,
-                               true);
+   brw_nir_setup_glsl_uniforms(mem_ctx, nir,
+                               &cp->program, &prog_data.base, true);
 
    if (unlikely(brw->perf_debug)) {
       start_busy = (brw->batch.last_bo &&
@@ -100,12 +118,13 @@ brw_codegen_cs_prog(struct brw_context *brw,
    if (INTEL_DEBUG & DEBUG_SHADER_TIME)
       st_index = brw_get_shader_time_index(brw, &cp->program, ST_CS, true);
 
+   brw_nir_lower_cs_intrinsics(nir);
+
    char *error_str;
    program = brw_compile_cs(brw->screen->compiler, brw, mem_ctx, key,
-                            &prog_data, cp->program.nir, st_index,
-                            &program_size, &error_str);
+                            &prog_data, nir, st_index, NULL, &error_str);
    if (program == NULL) {
-      cp->program.sh.data->LinkStatus = linking_failure;
+      cp->program.sh.data->LinkStatus = LINKING_FAILURE;
       ralloc_strcat(&cp->program.sh.data->InfoLog, error_str);
       _mesa_problem(NULL, "Failed to compile compute shader: %s\n", error_str);
 
@@ -115,7 +134,8 @@ brw_codegen_cs_prog(struct brw_context *brw,
 
    if (unlikely(brw->perf_debug)) {
       if (cp->compiled_once) {
-         _mesa_problem(&brw->ctx, "CS programs shouldn't need recompiles");
+         brw_debug_recompile(brw, MESA_SHADER_COMPUTE, cp->program.Id,
+                             &key->base);
       }
       cp->compiled_once = true;
 
@@ -125,33 +145,14 @@ brw_codegen_cs_prog(struct brw_context *brw,
       }
    }
 
-   const unsigned subslices = MAX2(brw->screen->subslice_total, 1);
-
-   /* WaCSScratchSize:hsw
-    *
-    * Haswell's scratch space address calculation appears to be sparse
-    * rather than tightly packed.  The Thread ID has bits indicating
-    * which subslice, EU within a subslice, and thread within an EU
-    * it is.  There's a maximum of two slices and two subslices, so these
-    * can be stored with a single bit.  Even though there are only 10 EUs
-    * per subslice, this is stored in 4 bits, so there's an effective
-    * maximum value of 16 EUs.  Similarly, although there are only 7
-    * threads per EU, this is stored in a 3 bit number, giving an effective
-    * maximum value of 8 threads per EU.
-    *
-    * This means that we need to use 16 * 8 instead of 10 * 7 for the
-    * number of threads per subslice.
-    */
-   const unsigned scratch_ids_per_subslice =
-      devinfo->is_haswell ? 16 * 8 : devinfo->max_cs_threads;
-
-   brw_alloc_stage_scratch(brw, &brw->cs.base,
-                           prog_data.base.total_scratch,
-                           scratch_ids_per_subslice * subslices);
+   brw_alloc_stage_scratch(brw, &brw->cs.base, prog_data.base.total_scratch);
 
+   /* The param and pull_param arrays will be freed by the shader cache. */
+   ralloc_steal(NULL, prog_data.base.param);
+   ralloc_steal(NULL, prog_data.base.pull_param);
    brw_upload_cache(&brw->cache, BRW_CACHE_CS_PROG,
                     key, sizeof(*key),
-                    program, program_size,
+                    program, prog_data.base.program_size,
                     &prog_data, sizeof(prog_data),
                     &brw->cs.base.prog_offset, &brw->cs.base.prog_data);
    ralloc_free(mem_ctx);
@@ -160,22 +161,18 @@ brw_codegen_cs_prog(struct brw_context *brw,
 }
 
 
-static void
+void
 brw_cs_populate_key(struct brw_context *brw, struct brw_cs_prog_key *key)
 {
    struct gl_context *ctx = &brw->ctx;
    /* BRW_NEW_COMPUTE_PROGRAM */
    const struct brw_program *cp =
       (struct brw_program *) brw->programs[MESA_SHADER_COMPUTE];
-   const struct gl_program *prog = (struct gl_program *) cp;
 
    memset(key, 0, sizeof(*key));
 
    /* _NEW_TEXTURE */
-   brw_populate_sampler_prog_key_data(ctx, prog, &key->tex);
-
-   /* The unique compute program ID */
-   key->program_string_id = cp->id;
+   brw_populate_base_prog_key(ctx, cp, &key->base);
 }
 
 
@@ -198,16 +195,30 @@ brw_upload_cs_prog(struct brw_context *brw)
 
    brw_cs_populate_key(brw, &key);
 
-   if (!brw_search_cache(&brw->cache, BRW_CACHE_CS_PROG,
-                         &key, sizeof(key),
-                         &brw->cs.base.prog_offset,
-                         &brw->cs.base.prog_data)) {
-      bool success = brw_codegen_cs_prog(brw, cp, &key);
-      (void) success;
-      assert(success);
-   }
+   if (brw_search_cache(&brw->cache, BRW_CACHE_CS_PROG, &key, sizeof(key),
+                        &brw->cs.base.prog_offset, &brw->cs.base.prog_data,
+                        true))
+      return;
+
+   if (brw_disk_cache_upload_program(brw, MESA_SHADER_COMPUTE))
+      return;
+
+   cp = (struct brw_program *) brw->programs[MESA_SHADER_COMPUTE];
+   cp->id = key.base.program_string_id;
+
+   ASSERTED bool success = brw_codegen_cs_prog(brw, cp, &key);
+   assert(success);
 }
 
+void
+brw_cs_populate_default_key(const struct brw_compiler *compiler,
+                            struct brw_cs_prog_key *key,
+                            struct gl_program *prog)
+{
+   const struct gen_device_info *devinfo = compiler->devinfo;
+   memset(key, 0, sizeof(*key));
+   brw_populate_default_base_prog_key(devinfo, brw_program(prog), &key->base);
+}
 
 bool
 brw_cs_precompile(struct gl_context *ctx, struct gl_program *prog)
@@ -217,10 +228,7 @@ brw_cs_precompile(struct gl_context *ctx, struct gl_program *prog)
 
    struct brw_program *bcp = brw_program(prog);
 
-   memset(&key, 0, sizeof(key));
-   key.program_string_id = bcp->id;
-
-   brw_setup_tex_for_precompile(brw, &key.tex, prog);
+   brw_cs_populate_default_key(brw->screen->compiler, &key, prog);
 
    uint32_t old_prog_offset = brw->cs.base.prog_offset;
    struct brw_stage_prog_data *old_prog_data = brw->cs.base.prog_data;