llvmpipe: add missing fallthrough comments

[mesa.git] / src / gallium / drivers / llvmpipe / lp_screen.c

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 7e2f246f5cadc3cb5c9dac2c472f94a890c0fc6c..54c4c676e790193c7d4efaa819ec8aa577d9fa1c 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -38,7 +38,7 @@
 #include "draw/draw_context.h"
 #include "gallivm/lp_bld_type.h"
 #include "gallivm/lp_bld_nir.h"
-
+#include "util/disk_cache.h"
 #include "util/os_misc.h"
 #include "util/os_time.h"
 #include "lp_texture.h"
@@ -52,7 +52,7 @@
 #include "lp_rast.h"
 #include "lp_cs_tpool.h"
 
-#include "state_tracker/sw_winsys.h"
+#include "frontend/sw_winsys.h"
 
 #include "nir.h"
 
@@ -75,6 +75,7 @@ static const struct debug_named_value lp_debug_flags[] = {
    { "cs", DEBUG_CS, NULL },
    { "tgsi_ir", DEBUG_TGSI_IR, NULL },
    { "cl", DEBUG_CL, NULL },
+   { "cache_stats", DEBUG_CACHE_STATS, NULL },
    DEBUG_NAMED_VALUE_END
 };
 #endif
@@ -96,7 +97,7 @@ static const struct debug_named_value lp_perf_flags[] = {
 static const char *
 llvmpipe_get_vendor(struct pipe_screen *screen)
 {
-   return "VMware, Inc.";
+   return "Mesa/X.org";
 }
 
 
@@ -170,6 +171,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
       return 0;
    case PIPE_CAP_PRIMITIVE_RESTART:
+   case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
       return 1;
    case PIPE_CAP_DEPTH_CLIP_DISABLE:
       return 1;
@@ -259,7 +261,6 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
       return 4;
    case PIPE_CAP_TEXTURE_GATHER_SM5:
-   case PIPE_CAP_SAMPLE_SHADING:
    case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
       return 0;
    case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
@@ -333,11 +334,12 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
       return 32;
+   case PIPE_CAP_RASTERIZER_SUBPIXEL_BITS:
+      return 8;
    case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
    case PIPE_CAP_DEPTH_BOUNDS_TEST:
-   case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
    case PIPE_CAP_SHAREABLE_SHADERS:
    case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
@@ -397,9 +399,11 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE:
    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
       return 1;
+   case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_TGSI_VOTE:
    case PIPE_CAP_LOAD_CONSTBUF:
    case PIPE_CAP_TEXTURE_MULTISAMPLE:
+   case PIPE_CAP_SAMPLE_SHADING:
    case PIPE_CAP_PACKED_UNIFORMS: {
       struct llvmpipe_screen *lscreen = llvmpipe_screen(screen);
       return !lscreen->use_tgsi;
@@ -420,6 +424,7 @@ llvmpipe_get_shader_param(struct pipe_screen *screen,
    case PIPE_SHADER_COMPUTE:
       if ((LP_DEBUG & DEBUG_CL) && param == PIPE_SHADER_CAP_SUPPORTED_IRS)
          return (1 << PIPE_SHADER_IR_TGSI) | (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_NIR_SERIALIZED);
+      /* fallthrough */
    case PIPE_SHADER_FRAGMENT:
       if (param == PIPE_SHADER_CAP_PREFERRED_IR) {
          if (lscreen->use_tgsi)
@@ -431,10 +436,13 @@ llvmpipe_get_shader_param(struct pipe_screen *screen,
       default:
          return gallivm_get_shader_param(param);
       }
+      /* fallthrough */
    case PIPE_SHADER_TESS_CTRL:
    case PIPE_SHADER_TESS_EVAL:
-      if (lscreen->use_tgsi)
+      /* Tessellation shader needs llvm coroutines support */
+      if (!GALLIVM_HAVE_CORO || lscreen->use_tgsi)
          return 0;
+      /* fallthrough */
    case PIPE_SHADER_VERTEX:
    case PIPE_SHADER_GEOMETRY:
       if (param == PIPE_SHADER_CAP_PREFERRED_IR) {
@@ -786,6 +794,10 @@ llvmpipe_destroy_screen( struct pipe_screen *_screen )
 
    lp_jit_screen_cleanup(screen);
 
+   if (LP_DEBUG & DEBUG_CACHE_STATS)
+      printf("disk shader cache:   hits = %u, misses = %u\n", screen->num_disk_shader_cache_hits,
+             screen->num_disk_shader_cache_misses);
+   disk_cache_destroy(screen->disk_shader_cache);
    if(winsys->destroy)
       winsys->destroy(winsys);
 
@@ -843,6 +855,63 @@ llvmpipe_get_timestamp(struct pipe_screen *_screen)
    return os_time_get_nano();
 }
 
+static void lp_disk_cache_create(struct llvmpipe_screen *screen)
+{
+   struct mesa_sha1 ctx;
+   unsigned char sha1[20];
+   char cache_id[20 * 2 + 1];
+   _mesa_sha1_init(&ctx);
+
+   if (!disk_cache_get_function_identifier(lp_disk_cache_create, &ctx) ||
+       !disk_cache_get_function_identifier(LLVMLinkInMCJIT, &ctx))
+      return;
+
+   _mesa_sha1_final(&ctx, sha1);
+   disk_cache_format_hex_id(cache_id, sha1, 20 * 2);
+
+   screen->disk_shader_cache = disk_cache_create("llvmpipe", cache_id, 0);
+}
+
+static struct disk_cache *lp_get_disk_shader_cache(struct pipe_screen *_screen)
+{
+   struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
+
+   return screen->disk_shader_cache;
+}
+
+void lp_disk_cache_find_shader(struct llvmpipe_screen *screen,
+                               struct lp_cached_code *cache,
+                               unsigned char ir_sha1_cache_key[20])
+{
+   unsigned char sha1[CACHE_KEY_SIZE];
+
+   if (!screen->disk_shader_cache)
+      return;
+   disk_cache_compute_key(screen->disk_shader_cache, ir_sha1_cache_key, 20, sha1);
+
+   size_t binary_size;
+   uint8_t *buffer = disk_cache_get(screen->disk_shader_cache, sha1, &binary_size);
+   if (!buffer) {
+      cache->data_size = 0;
+      p_atomic_inc(&screen->num_disk_shader_cache_misses);
+      return;
+   }
+   cache->data_size = binary_size;
+   cache->data = buffer;
+   p_atomic_inc(&screen->num_disk_shader_cache_hits);
+}
+
+void lp_disk_cache_insert_shader(struct llvmpipe_screen *screen,
+                                 struct lp_cached_code *cache,
+                                 unsigned char ir_sha1_cache_key[20])
+{
+   unsigned char sha1[CACHE_KEY_SIZE];
+
+   if (!screen->disk_shader_cache || !cache->data_size || cache->dont_cache)
+      return;
+   disk_cache_compute_key(screen->disk_shader_cache, ir_sha1_cache_key, 20, sha1);
+   disk_cache_put(screen->disk_shader_cache, sha1, cache->data, cache->data_size, NULL);
+}
 /**
  * Create a new pipe_screen object
  * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
@@ -893,6 +962,8 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
    screen->base.get_timestamp = llvmpipe_get_timestamp;
 
    screen->base.finalize_nir = llvmpipe_finalize_nir;
+
+   screen->base.get_disk_shader_cache = lp_get_disk_shader_cache;
    llvmpipe_init_screen_resource_funcs(&screen->base);
 
    screen->use_tgsi = (LP_DEBUG & DEBUG_TGSI_IR);
@@ -920,5 +991,6 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
    }
    (void) mtx_init(&screen->cs_mutex, mtx_plain);
 
+   lp_disk_cache_create(screen);
    return &screen->base;
 }