iris: Bypass half-float pack/unpack lowering.
[mesa.git] / src / gallium / drivers / iris / iris_screen.c
index 6dff3a47b65daa80df13f82a63e549ab9a7ce4d2..83f5208e65e3c152b02f49a1ebd546faf55930a5 100644 (file)
@@ -43,6 +43,7 @@
 #include "util/u_transfer_helper.h"
 #include "util/u_upload_mgr.h"
 #include "util/ralloc.h"
+#include "util/xmlconfig.h"
 #include "drm-uapi/i915_drm.h"
 #include "iris_context.h"
 #include "iris_defines.h"
@@ -89,7 +90,15 @@ iris_get_name(struct pipe_screen *pscreen)
    }
 
    snprintf(buf, sizeof(buf), "Mesa %s", chipset);
-   return chipset;
+   return buf;
+}
+
+static uint64_t
+get_aperture_size(int fd)
+{
+   struct drm_i915_gem_get_aperture aperture = {};
+   drm_ioctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture);
+   return aperture.aper_size;
 }
 
 static int
@@ -136,10 +145,13 @@ iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_SAMPLE_SHADING:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
    case PIPE_CAP_DRAW_INDIRECT:
+   case PIPE_CAP_MULTI_DRAW_INDIRECT:
+   case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
    case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
    case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
    case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+   case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
    case PIPE_CAP_ACCELERATED:
    case PIPE_CAP_UMA:
    case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
@@ -151,6 +163,7 @@ iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_INT64_DIVMOD:
    case PIPE_CAP_SAMPLER_VIEW_TARGET:
    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
+   case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
    case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
    case PIPE_CAP_CULL_DISTANCE:
@@ -177,16 +190,25 @@ iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_DRAW_PARAMETERS:
    case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
    case PIPE_CAP_COMPUTE_SHADER_DERIVATIVES:
+   case PIPE_CAP_INVALIDATE_BUFFER:
+   case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
       return true;
-   case PIPE_CAP_TGSI_FS_FBFETCH:
+   case PIPE_CAP_FBFETCH:
+      /* TODO: Support non-coherent FB fetch on Broadwell */
+      return devinfo->gen >= 9 ? BRW_MAX_DRAW_BUFFERS : 0;
+   case PIPE_CAP_FBFETCH_COHERENT:
+   case PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE:
    case PIPE_CAP_POST_DEPTH_COVERAGE:
    case PIPE_CAP_SHADER_STENCIL_EXPORT:
+   case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
+   case PIPE_CAP_FRAGMENT_SHADER_INTERLOCK:
       return devinfo->gen >= 9;
    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
       return 1;
    case PIPE_CAP_MAX_RENDER_TARGETS:
       return BRW_MAX_DRAW_BUFFERS;
-   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+   case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
+      return 16384;
    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
       return IRIS_MAX_MIPLEVELS; /* 16384x16384 */
    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
@@ -245,8 +267,28 @@ iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return 0x8086;
    case PIPE_CAP_DEVICE_ID:
       return screen->pci_id;
-   case PIPE_CAP_VIDEO_MEMORY:
-      return INT_MAX; // XXX: bogus
+   case PIPE_CAP_VIDEO_MEMORY: {
+      /* Once a batch uses more than 75% of the maximum mappable size, we
+       * assume that there's some fragmentation, and we start doing extra
+       * flushing, etc.  That's the big cliff apps will care about.
+       */
+      const unsigned gpu_mappable_megabytes =
+         (screen->aperture_bytes * 3 / 4) / (1024 * 1024);
+
+      const long system_memory_pages = sysconf(_SC_PHYS_PAGES);
+      const long system_page_size = sysconf(_SC_PAGE_SIZE);
+
+      if (system_memory_pages <= 0 || system_page_size <= 0)
+         return -1;
+
+      const uint64_t system_memory_bytes =
+         (uint64_t) system_memory_pages * (uint64_t) system_page_size;
+
+      const unsigned system_memory_megabytes =
+         (unsigned) (system_memory_bytes / (1024 * 1024));
+
+      return MIN2(system_memory_megabytes, gpu_mappable_megabytes);
+   }
    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
    case PIPE_CAP_MAX_VARYINGS:
       return 32;
@@ -369,11 +411,12 @@ iris_get_shader_param(struct pipe_screen *pscreen,
       return 1 << PIPE_SHADER_IR_NIR;
    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
       return 32;
+   case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
+   case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
+      return 1;
    case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
    case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
-   case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
-   case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
    case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
@@ -471,6 +514,7 @@ iris_destroy_screen(struct pipe_screen *pscreen)
    iris_bo_unreference(screen->workaround_bo);
    u_transfer_helper_destroy(pscreen->transfer_helper);
    iris_bufmgr_destroy(screen->bufmgr);
+   disk_cache_destroy(screen->disk_cache);
    ralloc_free(screen);
 }
 
@@ -492,6 +536,13 @@ iris_get_compiler_options(struct pipe_screen *pscreen,
    return screen->compiler->glsl_compiler_options[stage].NirOptions;
 }
 
+static struct disk_cache *
+iris_get_disk_shader_cache(struct pipe_screen *pscreen)
+{
+   struct iris_screen *screen = (struct iris_screen *) pscreen;
+   return screen->disk_cache;
+}
+
 static int
 iris_getparam(struct iris_screen *screen, int param, int *value)
 {
@@ -552,7 +603,7 @@ iris_shader_perf_log(void *data, const char *fmt, ...)
 }
 
 struct pipe_screen *
-iris_screen_create(int fd)
+iris_screen_create(int fd, const struct pipe_screen_config *config)
 {
    struct iris_screen *screen = rzalloc(NULL, struct iris_screen);
    if (!screen)
@@ -570,6 +621,8 @@ iris_screen_create(int fd)
    screen->devinfo.timestamp_frequency =
       iris_getparam_integer(screen, I915_PARAM_CS_TIMESTAMP_FREQUENCY);
 
+   screen->aperture_bytes = get_aperture_size(fd);
+
    if (getenv("INTEL_NO_HW") != NULL)
       screen->no_hw = true;
 
@@ -584,6 +637,9 @@ iris_screen_create(int fd)
 
    brw_process_intel_debug_variable();
 
+   screen->driconf.dual_color_blend_by_location =
+      driQueryOptionb(config->options, "dual_color_blend_by_location");
+
    screen->precompile = env_var_as_boolean("shader_precompile", true);
 
    isl_device_init(&screen->isl_dev, &screen->devinfo, false);
@@ -592,6 +648,9 @@ iris_screen_create(int fd)
    screen->compiler->shader_debug_log = iris_shader_debug_log;
    screen->compiler->shader_perf_log = iris_shader_perf_log;
    screen->compiler->supports_pull_constants = false;
+   screen->compiler->supports_shader_constants = true;
+
+   iris_disk_cache_init(screen);
 
    slab_create_parent(&screen->transfer_pool,
                       sizeof(struct iris_transfer), 64);
@@ -614,6 +673,7 @@ iris_screen_create(int fd)
    pscreen->get_compute_param = iris_get_compute_param;
    pscreen->get_paramf = iris_get_paramf;
    pscreen->get_compiler_options = iris_get_compiler_options;
+   pscreen->get_disk_shader_cache = iris_get_disk_shader_cache;
    pscreen->is_format_supported = iris_is_format_supported;
    pscreen->context_create = iris_create_context;
    pscreen->flush_frontbuffer = iris_flush_frontbuffer;