X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fetnaviv%2Fetnaviv_resource.c;h=c600eff45cef90c86f26dd3727cf2b1344ade1ac;hb=1f55d06783131c7eb0d31510a8891bd65133cfdd;hp=2c5e9298e55022a326a224103cbd6127b9830349;hpb=9da0cd56c3f95081bd4cc7efe87d2b475019b17d;p=mesa.git

diff --git a/src/gallium/drivers/etnaviv/etnaviv_resource.c b/src/gallium/drivers/etnaviv/etnaviv_resource.c
index 2c5e9298e55..c600eff45ce 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_resource.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_resource.c
@@ -36,6 +36,47 @@
 #include "util/u_inlines.h"
 #include "util/u_memory.h"
 
+#include <drm_fourcc.h>
+
+#ifndef DRM_FORMAT_MOD_INVALID
+#define DRM_FORMAT_MOD_INVALID ((1ULL<<56) - 1)
+#endif
+
+static enum etna_surface_layout modifier_to_layout(uint64_t modifier)
+{
+   switch (modifier) {
+   case DRM_FORMAT_MOD_VIVANTE_TILED:
+      return ETNA_LAYOUT_TILED;
+   case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED:
+      return ETNA_LAYOUT_SUPER_TILED;
+   case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED:
+      return ETNA_LAYOUT_MULTI_TILED;
+   case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED:
+      return ETNA_LAYOUT_MULTI_SUPERTILED;
+   case DRM_FORMAT_MOD_LINEAR:
+   default:
+      return ETNA_LAYOUT_LINEAR;
+   }
+}
+
+static uint64_t layout_to_modifier(enum etna_surface_layout layout)
+{
+   switch (layout) {
+   case ETNA_LAYOUT_TILED:
+      return DRM_FORMAT_MOD_VIVANTE_TILED;
+   case ETNA_LAYOUT_SUPER_TILED:
+      return DRM_FORMAT_MOD_VIVANTE_SUPER_TILED;
+   case ETNA_LAYOUT_MULTI_TILED:
+      return DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED;
+   case ETNA_LAYOUT_MULTI_SUPERTILED:
+      return DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED;
+   case ETNA_LAYOUT_LINEAR:
+      return DRM_FORMAT_MOD_LINEAR;
+   default:
+      return DRM_FORMAT_MOD_INVALID;
+   }
+}
+
 /* A tile is 4x4 pixels, having 'screen->specs.bits_per_tile' of tile status.
  * So, in a buffer of N pixels, there are N / (4 * 4) tiles.
  * We need N * screen->specs.bits_per_tile / (4 * 4) bits of tile status, or
@@ -138,9 +179,10 @@ setup_miptree(struct etna_resource *rsc, unsigned paddingX, unsigned paddingY,
 /* Create a new resource object, using the given template info */
 struct pipe_resource *
 etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
-                    const struct pipe_resource *templat)
+                    uint64_t modifier, const struct pipe_resource *templat)
 {
    struct etna_screen *screen = etna_screen(pscreen);
+   struct etna_resource *rsc;
    unsigned size;
 
    DBG_F(ETNA_DBG_RESOURCE_MSGS,
@@ -167,27 +209,62 @@ etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
       return NULL;
    }
 
-   /* If we have the TEXTURE_HALIGN feature, we can always align to the
-    * resolve engine's width.  If not, we must not align resources used
-    * only for textures. */
-   bool rs_align = VIV_FEATURE(screen, chipMinorFeatures1, TEXTURE_HALIGN) ||
-                   !etna_resource_sampler_only(templat);
-
    /* Determine needed padding (alignment of height/width) */
    unsigned paddingX = 0, paddingY = 0;
    unsigned halign = TEXTURE_HALIGN_FOUR;
-   etna_layout_multiple(layout, screen->specs.pixel_pipes, rs_align, &paddingX,
-                        &paddingY, &halign);
-   assert(paddingX && paddingY);
-
-   if (templat->bind != PIPE_BUFFER) {
-      unsigned min_paddingY = 4 * screen->specs.pixel_pipes;
-      if (paddingY < min_paddingY)
-         paddingY = min_paddingY;
+   if (!util_format_is_compressed(templat->format)) {
+      /* If we have the TEXTURE_HALIGN feature, we can always align to the
+       * resolve engine's width.  If not, we must not align resources used
+       * only for textures. If this GPU uses the BLT engine, never do RS align.
+       */
+      bool rs_align = screen->specs.use_blt ? false : (
+                         VIV_FEATURE(screen, chipMinorFeatures1, TEXTURE_HALIGN) ||
+                         !etna_resource_sampler_only(templat));
+      etna_layout_multiple(layout, screen->specs.pixel_pipes, rs_align, &paddingX,
+                           &paddingY, &halign);
+      assert(paddingX && paddingY);
+   } else {
+      /* Compressed textures are padded to their block size, but we don't have
+       * to do anything special for that. */
+      paddingX = 1;
+      paddingY = 1;
    }
 
-   struct etna_resource *rsc = CALLOC_STRUCT(etna_resource);
+   if (!screen->specs.use_blt && templat->target != PIPE_BUFFER)
+      etna_adjust_rs_align(screen->specs.pixel_pipes, NULL, &paddingY);
+
+   if (templat->bind & PIPE_BIND_SCANOUT) {
+      struct pipe_resource scanout_templat = *templat;
+      struct renderonly_scanout *scanout;
+      struct winsys_handle handle;
+
+      /* pad scanout buffer size to be compatible with the RS */
+      if (!screen->specs.use_blt && modifier == DRM_FORMAT_MOD_LINEAR)
+         etna_adjust_rs_align(screen->specs.pixel_pipes, &paddingX, &paddingY);
+
+      scanout_templat.width0 = align(scanout_templat.width0, paddingX);
+      scanout_templat.height0 = align(scanout_templat.height0, paddingY);
 
+      scanout = renderonly_scanout_for_resource(&scanout_templat,
+                                                screen->ro, &handle);
+      if (!scanout)
+         return NULL;
+
+      assert(handle.type == DRM_API_HANDLE_TYPE_FD);
+      handle.modifier = modifier;
+      rsc = etna_resource(pscreen->resource_from_handle(pscreen, templat,
+                                                        &handle,
+                                                        PIPE_HANDLE_USAGE_WRITE));
+      close(handle.handle);
+      if (!rsc)
+         return NULL;
+
+      rsc->scanout = scanout;
+
+      return &rsc->base;
+   }
+
+   rsc = CALLOC_STRUCT(etna_resource);
    if (!rsc)
       return NULL;
 
@@ -208,21 +285,22 @@ etna_resource_alloc(struct pipe_screen *pscreen, unsigned layout,
    struct etna_bo *bo = etna_bo_new(screen->dev, size, flags);
    if (unlikely(bo == NULL)) {
       BUG("Problem allocating video memory for resource");
-      return NULL;
+      goto free_rsc;
    }
 
    rsc->bo = bo;
    rsc->ts_bo = 0; /* TS is only created when first bound to surface */
 
-   if (templat->bind & PIPE_BIND_SCANOUT)
-      rsc->scanout = renderonly_scanout_for_resource(&rsc->base, screen->ro);
-
    if (DBG_ENABLED(ETNA_DBG_ZERO)) {
       void *map = etna_bo_map(bo);
       memset(map, 0, size);
    }
 
    return &rsc->base;
+
+free_rsc:
+   FREE(rsc);
+   return NULL;
 }
 
 static struct pipe_resource *
@@ -247,7 +325,7 @@ etna_resource_create(struct pipe_screen *pscreen,
          layout = ETNA_LAYOUT_LINEAR;
    } else if (templat->target != PIPE_BUFFER) {
       bool want_multitiled = false;
-      bool want_supertiled = screen->specs.can_supertile && !DBG_ENABLED(ETNA_DBG_NO_SUPERTILE);
+      bool want_supertiled = screen->specs.can_supertile;
 
       /* When this GPU supports single-buffer rendering, don't ever enable
        * multi-tiling. This replicates the blob behavior on GC3000.
@@ -278,7 +356,89 @@ etna_resource_create(struct pipe_screen *pscreen,
    if (templat->target == PIPE_TEXTURE_3D)
       layout = ETNA_LAYOUT_LINEAR;
 
-   return etna_resource_alloc(pscreen, layout, templat);
+   /* modifier is only used for scanout surfaces, so safe to use LINEAR here */
+   return etna_resource_alloc(pscreen, layout, DRM_FORMAT_MOD_LINEAR, templat);
+}
+
+enum modifier_priority {
+   MODIFIER_PRIORITY_INVALID = 0,
+   MODIFIER_PRIORITY_LINEAR,
+   MODIFIER_PRIORITY_SPLIT_TILED,
+   MODIFIER_PRIORITY_SPLIT_SUPER_TILED,
+   MODIFIER_PRIORITY_TILED,
+   MODIFIER_PRIORITY_SUPER_TILED,
+};
+
+const uint64_t priority_to_modifier[] = {
+   [MODIFIER_PRIORITY_INVALID] = DRM_FORMAT_MOD_INVALID,
+   [MODIFIER_PRIORITY_LINEAR] = DRM_FORMAT_MOD_LINEAR,
+   [MODIFIER_PRIORITY_SPLIT_TILED] = DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED,
+   [MODIFIER_PRIORITY_SPLIT_SUPER_TILED] = DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED,
+   [MODIFIER_PRIORITY_TILED] = DRM_FORMAT_MOD_VIVANTE_TILED,
+   [MODIFIER_PRIORITY_SUPER_TILED] = DRM_FORMAT_MOD_VIVANTE_SUPER_TILED,
+};
+
+static uint64_t
+select_best_modifier(const struct etna_screen * screen,
+                     const uint64_t *modifiers, const unsigned count)
+{
+   enum modifier_priority prio = MODIFIER_PRIORITY_INVALID;
+
+   for (int i = 0; i < count; i++) {
+      switch (modifiers[i]) {
+      case DRM_FORMAT_MOD_VIVANTE_SUPER_TILED:
+         if ((screen->specs.pixel_pipes > 1 && !screen->specs.single_buffer) ||
+             !screen->specs.can_supertile)
+            break;
+         prio = MAX2(prio, MODIFIER_PRIORITY_SUPER_TILED);
+         break;
+      case DRM_FORMAT_MOD_VIVANTE_TILED:
+         if (screen->specs.pixel_pipes > 1 && !screen->specs.single_buffer)
+            break;
+         prio = MAX2(prio, MODIFIER_PRIORITY_TILED);
+         break;
+      case DRM_FORMAT_MOD_VIVANTE_SPLIT_SUPER_TILED:
+         if ((screen->specs.pixel_pipes < 2) || !screen->specs.can_supertile)
+            break;
+         prio = MAX2(prio, MODIFIER_PRIORITY_SPLIT_SUPER_TILED);
+         break;
+      case DRM_FORMAT_MOD_VIVANTE_SPLIT_TILED:
+         if (screen->specs.pixel_pipes < 2)
+            break;
+         prio = MAX2(prio, MODIFIER_PRIORITY_SPLIT_TILED);
+         break;
+      case DRM_FORMAT_MOD_LINEAR:
+         prio = MAX2(prio, MODIFIER_PRIORITY_LINEAR);
+         break;
+      case DRM_FORMAT_MOD_INVALID:
+      default:
+         break;
+      }
+   }
+
+   return priority_to_modifier[prio];
+}
+
+static struct pipe_resource *
+etna_resource_create_modifiers(struct pipe_screen *pscreen,
+                               const struct pipe_resource *templat,
+                               const uint64_t *modifiers, int count)
+{
+   struct etna_screen *screen = etna_screen(pscreen);
+   struct pipe_resource tmpl = *templat;
+   uint64_t modifier = select_best_modifier(screen, modifiers, count);
+
+   if (modifier == DRM_FORMAT_MOD_INVALID)
+      return NULL;
+
+   /*
+    * We currently assume that all buffers allocated through this interface
+    * should be scanout enabled.
+    */
+   tmpl.bind |= PIPE_BIND_SCANOUT;
+
+   return etna_resource_alloc(pscreen, modifier_to_layout(modifier),
+                              modifier, &tmpl);
 }
 
 static void
@@ -286,11 +446,10 @@ etna_resource_changed(struct pipe_screen *pscreen, struct pipe_resource *prsc)
 {
    struct etna_resource *res = etna_resource(prsc);
 
-   /* Make sure texture is older than the imported renderable buffer,
-    * so etna_update_sampler_source will copy the pixel data again.
-    */
-   if (res->texture)
-      etna_resource(res->texture)->seqno = res->seqno - 1;
+   if (res->external)
+      etna_resource(res->external)->seqno++;
+   else
+      res->seqno++;
 }
 
 static void
@@ -305,11 +464,12 @@ etna_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *prsc)
       etna_bo_del(rsc->ts_bo);
 
    if (rsc->scanout)
-      renderonly_scanout_destroy(rsc->scanout);
+      renderonly_scanout_destroy(rsc->scanout, etna_screen(pscreen)->ro);
 
    list_delinit(&rsc->list);
 
    pipe_resource_reference(&rsc->texture, NULL);
+   pipe_resource_reference(&rsc->external, NULL);
 
    FREE(rsc);
 }
@@ -320,9 +480,9 @@ etna_resource_from_handle(struct pipe_screen *pscreen,
                           struct winsys_handle *handle, unsigned usage)
 {
    struct etna_screen *screen = etna_screen(pscreen);
-   struct etna_resource *rsc = CALLOC_STRUCT(etna_resource);
-   struct etna_resource_level *level = &rsc->levels[0];
-   struct pipe_resource *prsc = &rsc->base;
+   struct etna_resource *rsc;
+   struct etna_resource_level *level;
+   struct pipe_resource *prsc;
    struct pipe_resource *ptiled = NULL;
 
    DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
@@ -331,9 +491,13 @@ etna_resource_from_handle(struct pipe_screen *pscreen,
        tmpl->height0, tmpl->depth0, tmpl->array_size, tmpl->last_level,
        tmpl->nr_samples, tmpl->usage, tmpl->bind, tmpl->flags);
 
+   rsc = CALLOC_STRUCT(etna_resource);
    if (!rsc)
       return NULL;
 
+   level = &rsc->levels[0];
+   prsc = &rsc->base;
+
    *prsc = *tmpl;
 
    pipe_reference_init(&prsc->reference, 1);
@@ -345,44 +509,63 @@ etna_resource_from_handle(struct pipe_screen *pscreen,
       goto fail;
 
    rsc->seqno = 1;
+   rsc->layout = modifier_to_layout(handle->modifier);
+   rsc->halign = TEXTURE_HALIGN_FOUR;
+
 
    level->width = tmpl->width0;
    level->height = tmpl->height0;
 
-   /* We will be using the RS to copy with this resource, so we must
-    * ensure that it is appropriately aligned for the RS requirements. */
-   unsigned paddingX = ETNA_RS_WIDTH_MASK + 1;
-   unsigned paddingY = (ETNA_RS_HEIGHT_MASK + 1) * screen->specs.pixel_pipes;
+   /* Determine padding of the imported resource. */
+   unsigned paddingX = 0, paddingY = 0;
+   etna_layout_multiple(rsc->layout, screen->specs.pixel_pipes,
+                        VIV_FEATURE(screen, chipMinorFeatures1, TEXTURE_HALIGN),
+                        &paddingX, &paddingY, &rsc->halign);
 
+   if (!screen->specs.use_blt)
+      etna_adjust_rs_align(screen->specs.pixel_pipes, NULL, &paddingY);
    level->padded_width = align(level->width, paddingX);
    level->padded_height = align(level->height, paddingY);
 
+   level->layer_stride = level->stride * util_format_get_nblocksy(prsc->format,
+                                                                  level->padded_height);
+   level->size = level->layer_stride;
+
    /* The DDX must give us a BO which conforms to our padding size.
     * The stride of the BO must be greater or equal to our padded
     * stride. The size of the BO must accomodate the padded height. */
    if (level->stride < util_format_get_stride(tmpl->format, level->padded_width)) {
-      BUG("BO stride is too small for RS engine width padding");
+      BUG("BO stride %u is too small for RS engine width padding (%zu, format %s)",
+          level->stride, util_format_get_stride(tmpl->format, level->padded_width),
+          util_format_name(tmpl->format));
       goto fail;
    }
    if (etna_bo_size(rsc->bo) < level->stride * level->padded_height) {
-      BUG("BO size is too small for RS engine height padding");
+      BUG("BO size %u is too small for RS engine height padding (%u, format %s)",
+          etna_bo_size(rsc->bo), level->stride * level->padded_height,
+          util_format_name(tmpl->format));
       goto fail;
    }
 
-   if (handle->type == DRM_API_HANDLE_TYPE_SHARED && tmpl->bind & PIPE_BIND_RENDER_TARGET) {
-      /* Render targets are linear in Xorg but must be tiled
-      * here. It would be nice if dri_drawable_get_format()
-      * set scanout for these buffers too. */
-      struct etna_resource *tiled;
+   if (rsc->layout == ETNA_LAYOUT_LINEAR) {
+      /*
+       * Both sampler and pixel pipes can't handle linear, create a compatible
+       * base resource, where we can attach the imported buffer as an external
+       * resource.
+       */
+      struct pipe_resource tiled_templat = *tmpl;
+
+      /*
+       * Remove BIND_SCANOUT to avoid recursion, as etna_resource_create uses
+       * this function to import the scanout buffer and get a tiled resource.
+       */
+      tiled_templat.bind &= ~PIPE_BIND_SCANOUT;
 
-      ptiled = etna_resource_create(pscreen, tmpl);
+      ptiled = etna_resource_create(pscreen, &tiled_templat);
       if (!ptiled)
          goto fail;
 
-      tiled = etna_resource(ptiled);
-      tiled->scanout = renderonly_scanout_for_prime(prsc, screen->ro);
-      if (!tiled->scanout)
-         goto fail;
+      etna_resource(ptiled)->external = prsc;
 
       return ptiled;
    }
@@ -404,12 +587,34 @@ etna_resource_get_handle(struct pipe_screen *pscreen,
                          struct winsys_handle *handle, unsigned usage)
 {
    struct etna_resource *rsc = etna_resource(prsc);
+   /* Scanout is always attached to the base resource */
+   struct renderonly_scanout *scanout = rsc->scanout;
 
-   if (renderonly_get_handle(rsc->scanout, handle))
+   /*
+    * External resources are preferred, so a import->export chain of
+    * render/sampler incompatible buffers yield the same handle.
+    */
+   if (rsc->external)
+      rsc = etna_resource(rsc->external);
+
+   handle->stride = rsc->levels[0].stride;
+   handle->modifier = layout_to_modifier(rsc->layout);
+
+   if (handle->type == DRM_API_HANDLE_TYPE_SHARED) {
+      return etna_bo_get_name(rsc->bo, &handle->handle) == 0;
+   } else if (handle->type == DRM_API_HANDLE_TYPE_KMS) {
+      if (renderonly_get_handle(scanout, handle)) {
+         return TRUE;
+      } else {
+         handle->handle = etna_bo_handle(rsc->bo);
+         return TRUE;
+      }
+   } else if (handle->type == DRM_API_HANDLE_TYPE_FD) {
+      handle->handle = etna_bo_dmabuf(rsc->bo);
       return TRUE;
-
-   return etna_screen_bo_get_handle(pscreen, rsc->bo, rsc->levels[0].stride,
-                                    handle);
+   } else {
+      return FALSE;
+   }
 }
 
 void
@@ -432,20 +637,17 @@ etna_resource_used(struct etna_context *ctx, struct pipe_resource *prsc,
    rsc->pending_ctx = ctx;
 }
 
-void
-etna_resource_wait(struct pipe_context *pctx, struct etna_resource *rsc)
+bool
+etna_resource_has_valid_ts(struct etna_resource *rsc)
 {
-   if (rsc->status & ETNA_PENDING_WRITE) {
-      struct pipe_fence_handle *fence;
-      struct pipe_screen *pscreen = pctx->screen;
-
-      pctx->flush(pctx, &fence, 0);
+   if (!rsc->ts_bo)
+      return false;
 
-      if (!pscreen->fence_finish(pscreen, pctx, fence, 5000000000ULL))
-         BUG("fence timed out (hung GPU?)");
+   for (int level = 0; level <= rsc->base.last_level; level++)
+      if (rsc->levels[level].ts_valid)
+         return true;
 
-      pscreen->fence_reference(pscreen, &fence, NULL);
-   }
+   return false;
 }
 
 void
@@ -453,6 +655,7 @@ etna_resource_screen_init(struct pipe_screen *pscreen)
 {
    pscreen->can_create_resource = etna_screen_can_create_resource;
    pscreen->resource_create = etna_resource_create;
+   pscreen->resource_create_with_modifiers = etna_resource_create_modifiers;
    pscreen->resource_from_handle = etna_resource_from_handle;
    pscreen->resource_get_handle = etna_resource_get_handle;
    pscreen->resource_changed = etna_resource_changed;