ac: set swizzled bit in cache policy as a hint not to merge loads/stores
[mesa.git] / src / gallium / drivers / radeonsi / si_texture.c
index 2e31fbe94ad465ddb74d250976ea9f2321256adf..eb17f6c82c4787117054a2e1a73c01b1d1a58be9 100644 (file)
@@ -25,7 +25,7 @@
 
 #include "si_pipe.h"
 #include "si_query.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
 #include "util/u_log.h"
 #include "util/u_memory.h"
 #include "util/u_pack_color.h"
@@ -38,6 +38,7 @@
 #include "state_tracker/drm_driver.h"
 #include "sid.h"
 #include "amd/addrlib/inc/addrinterface.h"
+#include "drm-uapi/drm_fourcc.h"
 
 static enum radeon_surf_mode
 si_choose_tiling(struct si_screen *sscreen,
@@ -227,7 +228,6 @@ static int si_init_surface(struct si_screen *sscreen,
                           const struct pipe_resource *ptex,
                           enum radeon_surf_mode array_mode,
                           unsigned pitch_in_bytes_override,
-                          unsigned offset,
                           bool is_imported,
                           bool is_scanout,
                           bool is_flushed_depth,
@@ -237,7 +237,7 @@ static int si_init_surface(struct si_screen *sscreen,
                util_format_description(ptex->format);
        bool is_depth, is_stencil;
        int r;
-       unsigned i, bpe, flags = 0;
+       unsigned bpe, flags = 0;
 
        is_depth = util_format_has_depth(desc);
        is_stencil = util_format_has_stencil(desc);
@@ -253,9 +253,11 @@ static int si_init_surface(struct si_screen *sscreen,
        if (!is_flushed_depth && is_depth) {
                flags |= RADEON_SURF_ZBUFFER;
 
-               if (tc_compatible_htile &&
-                   (sscreen->info.chip_class >= GFX9 ||
-                    array_mode == RADEON_SURF_MODE_2D)) {
+               if (sscreen->debug_flags & DBG(NO_HYPERZ)) {
+                       flags |= RADEON_SURF_NO_HTILE;
+               } else if (tc_compatible_htile &&
+                          (sscreen->info.chip_class >= GFX9 ||
+                           array_mode == RADEON_SURF_MODE_2D)) {
                        /* TC-compatible HTILE only supports Z32_FLOAT.
                         * GFX9 also supports Z16_UNORM.
                         * On GFX8, promote Z16 to Z32. DB->CB copies will convert
@@ -298,6 +300,13 @@ static int si_init_surface(struct si_screen *sscreen,
            ptex->nr_storage_samples >= 2)
                flags |= RADEON_SURF_DISABLE_DCC;
 
+       /* Shared textures must always set up DCC.
+        * If it's not present, it will be disabled by
+        * si_get_opaque_metadata later.
+        */
+       if (!is_imported && (sscreen->debug_flags & DBG(NO_DCC)))
+               flags |= RADEON_SURF_DISABLE_DCC;
+
        if (ptex->bind & PIPE_BIND_SCANOUT || is_scanout) {
                /* This should catch bugs in gallium users setting incorrect flags. */
                assert(ptex->nr_samples <= 1 &&
@@ -315,6 +324,8 @@ static int si_init_surface(struct si_screen *sscreen,
                flags |= RADEON_SURF_IMPORTED | RADEON_SURF_SHAREABLE;
        if (!(ptex->flags & SI_RESOURCE_FLAG_FORCE_MSAA_TILING))
                flags |= RADEON_SURF_OPTIMIZE_FOR_SPACE;
+       if (sscreen->debug_flags & DBG(NO_FMASK))
+               flags |= RADEON_SURF_NO_FMASK;
 
        if (sscreen->info.chip_class >= GFX10 &&
            (ptex->flags & SI_RESOURCE_FLAG_FORCE_MSAA_TILING)) {
@@ -333,20 +344,17 @@ static int si_init_surface(struct si_screen *sscreen,
        if (sscreen->info.chip_class >= GFX9) {
                if (pitch) {
                        surface->u.gfx9.surf_pitch = pitch;
+                       if (ptex->last_level == 0)
+                               surface->u.gfx9.surf.epitch = pitch - 1;
                        surface->u.gfx9.surf_slice_size =
                                (uint64_t)pitch * surface->u.gfx9.surf_height * bpe;
                }
-               surface->u.gfx9.surf_offset = offset;
        } else {
                if (pitch) {
                        surface->u.legacy.level[0].nblk_x = pitch;
                        surface->u.legacy.level[0].slice_size_dw =
                                ((uint64_t)pitch * surface->u.legacy.level[0].nblk_y * bpe) / 4;
                }
-               if (offset) {
-                       for (i = 0; i < ARRAY_SIZE(surface->u.legacy.level); ++i)
-                               surface->u.legacy.level[i].offset += offset;
-               }
        }
        return 0;
 }
@@ -398,7 +406,7 @@ void si_eliminate_fast_color_clear(struct si_context *sctx,
        struct pipe_context *ctx = &sctx->b;
 
        if (ctx == sscreen->aux_context)
-               mtx_lock(&sscreen->aux_context_lock);
+               simple_mtx_lock(&sscreen->aux_context_lock);
 
        unsigned n = sctx->num_decompress_calls;
        ctx->flush_resource(ctx, &tex->buffer.b.b);
@@ -408,7 +416,7 @@ void si_eliminate_fast_color_clear(struct si_context *sctx,
                ctx->flush(ctx, NULL, 0);
 
        if (ctx == sscreen->aux_context)
-               mtx_unlock(&sscreen->aux_context_lock);
+               simple_mtx_unlock(&sscreen->aux_context_lock);
 }
 
 void si_texture_discard_cmask(struct si_screen *sscreen,
@@ -438,25 +446,30 @@ void si_texture_discard_cmask(struct si_screen *sscreen,
 static bool si_can_disable_dcc(struct si_texture *tex)
 {
        /* We can't disable DCC if it can be written by another process. */
-       return tex->dcc_offset &&
+       return tex->surface.dcc_offset &&
               (!tex->buffer.b.is_shared ||
                !(tex->buffer.external_usage & PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE));
 }
 
+static void si_texture_zero_dcc_fields(struct si_texture *tex)
+{
+       tex->surface.dcc_offset = 0;
+       tex->surface.display_dcc_offset = 0;
+       tex->surface.dcc_retile_map_offset = 0;
+}
+
 static bool si_texture_discard_dcc(struct si_screen *sscreen,
                                   struct si_texture *tex)
 {
        if (!si_can_disable_dcc(tex)) {
-               assert(tex->display_dcc_offset == 0);
+               assert(tex->surface.display_dcc_offset == 0);
                return false;
        }
 
        assert(tex->dcc_separate_buffer == NULL);
 
        /* Disable DCC. */
-       tex->dcc_offset = 0;
-       tex->display_dcc_offset = 0;
-       tex->dcc_retile_map_offset = 0;
+       si_texture_zero_dcc_fields(tex);
 
        /* Notify all contexts about the change. */
        p_atomic_inc(&sscreen->dirty_tex_counter);
@@ -496,14 +509,14 @@ bool si_texture_disable_dcc(struct si_context *sctx,
                return false;
 
        if (&sctx->b == sscreen->aux_context)
-               mtx_lock(&sscreen->aux_context_lock);
+               simple_mtx_lock(&sscreen->aux_context_lock);
 
        /* Decompress DCC. */
        si_decompress_dcc(sctx, tex);
        sctx->b.flush(&sctx->b, NULL, 0);
 
        if (&sctx->b == sscreen->aux_context)
-               mtx_unlock(&sscreen->aux_context_lock);
+               simple_mtx_unlock(&sscreen->aux_context_lock);
 
        return si_texture_discard_dcc(sscreen, tex);
 }
@@ -520,7 +533,7 @@ static void si_reallocate_texture_inplace(struct si_context *sctx,
 
        templ.bind |= new_bind_flag;
 
-       if (tex->buffer.b.is_shared)
+       if (tex->buffer.b.is_shared || tex->num_planes > 1)
                return;
 
        if (new_bind_flag == PIPE_BIND_LINEAR) {
@@ -568,12 +581,11 @@ static void si_reallocate_texture_inplace(struct si_context *sctx,
        tex->buffer.flags = new_tex->buffer.flags;
 
        tex->surface = new_tex->surface;
-       tex->size = new_tex->size;
        si_texture_reference(&tex->flushed_depth_texture,
                             new_tex->flushed_depth_texture);
 
-       tex->fmask_offset = new_tex->fmask_offset;
-       tex->cmask_offset = new_tex->cmask_offset;
+       tex->surface.fmask_offset = new_tex->surface.fmask_offset;
+       tex->surface.cmask_offset = new_tex->surface.cmask_offset;
        tex->cmask_base_address_reg = new_tex->cmask_base_address_reg;
 
        if (tex->cmask_buffer == &tex->buffer)
@@ -586,13 +598,13 @@ static void si_reallocate_texture_inplace(struct si_context *sctx,
        else
                si_resource_reference(&tex->cmask_buffer, new_tex->cmask_buffer);
 
-       tex->dcc_offset = new_tex->dcc_offset;
+       tex->surface.dcc_offset = new_tex->surface.dcc_offset;
        tex->cb_color_info = new_tex->cb_color_info;
        memcpy(tex->color_clear_value, new_tex->color_clear_value,
               sizeof(tex->color_clear_value));
        tex->last_msaa_resolve_target_micro_mode = new_tex->last_msaa_resolve_target_micro_mode;
 
-       tex->htile_offset = new_tex->htile_offset;
+       tex->surface.htile_offset = new_tex->surface.htile_offset;
        tex->depth_clear_value = new_tex->depth_clear_value;
        tex->dirty_level_mask = new_tex->dirty_level_mask;
        tex->stencil_dirty_level_mask = new_tex->stencil_dirty_level_mask;
@@ -614,10 +626,10 @@ static void si_reallocate_texture_inplace(struct si_context *sctx,
                                new_tex->last_dcc_separate_buffer);
 
        if (new_bind_flag == PIPE_BIND_LINEAR) {
-               assert(!tex->htile_offset);
+               assert(!tex->surface.htile_offset);
                assert(!tex->cmask_buffer);
                assert(!tex->surface.fmask_size);
-               assert(!tex->dcc_offset);
+               assert(!tex->surface.dcc_offset);
                assert(!tex->is_depth);
        }
 
@@ -643,10 +655,10 @@ static void si_set_tex_bo_metadata(struct si_screen *sscreen,
        if (sscreen->info.chip_class >= GFX9) {
                md.u.gfx9.swizzle_mode = surface->u.gfx9.surf.swizzle_mode;
 
-               if (tex->dcc_offset && !tex->dcc_separate_buffer) {
+               if (tex->surface.dcc_offset && !tex->dcc_separate_buffer) {
                        uint64_t dcc_offset =
-                               tex->display_dcc_offset ? tex->display_dcc_offset
-                                                       : tex->dcc_offset;
+                               tex->surface.display_dcc_offset ? tex->surface.display_dcc_offset
+                                                       : tex->surface.dcc_offset;
 
                        assert((dcc_offset >> 8) != 0 && (dcc_offset >> 8) < (1 << 24));
                        md.u.gfx9.dcc_offset_256B = dcc_offset >> 8;
@@ -708,7 +720,28 @@ static void si_set_tex_bo_metadata(struct si_screen *sscreen,
        /* Clear the base address and set the relative DCC offset. */
        desc[0] = 0;
        desc[1] &= C_008F14_BASE_ADDRESS_HI;
-       desc[7] = tex->dcc_offset >> 8;
+
+       switch (sscreen->info.chip_class) {
+       case GFX6:
+       case GFX7:
+               break;
+       case GFX8:
+               desc[7] = tex->surface.dcc_offset >> 8;
+               break;
+       case GFX9:
+               desc[7] = tex->surface.dcc_offset >> 8;
+               desc[5] &= C_008F24_META_DATA_ADDRESS;
+               desc[5] |= S_008F24_META_DATA_ADDRESS(tex->surface.dcc_offset >> 40);
+               break;
+       case GFX10:
+               desc[6] &= C_00A018_META_DATA_ADDRESS_LO;
+               desc[6] |= S_00A018_META_DATA_ADDRESS_LO(tex->surface.dcc_offset >> 8);
+               desc[7] = tex->surface.dcc_offset >> 16;
+               break;
+       default:
+               assert(0);
+       }
+
 
        /* Dwords [2:9] contain the image descriptor. */
        memcpy(&md.metadata[2], desc, sizeof(desc));
@@ -725,30 +758,67 @@ static void si_set_tex_bo_metadata(struct si_screen *sscreen,
        sscreen->ws->buffer_set_metadata(tex->buffer.buf, &md);
 }
 
-static void si_get_opaque_metadata(struct si_screen *sscreen,
-                                  struct si_texture *tex,
-                                  struct radeon_bo_metadata *md)
+static bool si_read_tex_bo_metadata(struct si_screen *sscreen,
+                                   struct si_texture *tex,
+                                   uint64_t offset,
+                                   struct radeon_bo_metadata *md)
 {
        uint32_t *desc = &md->metadata[2];
 
-       if (sscreen->info.chip_class < GFX8)
-               return;
+       if (offset || /* Non-zero planes ignore metadata. */
+           md->size_metadata < 10 * 4 || /* at least 2(header) + 8(desc) dwords */
+           md->metadata[0] == 0 || /* invalid version number */
+           md->metadata[1] != si_get_bo_metadata_word1(sscreen)) /* invalid PCI ID */ {
+               /* Disable DCC because it might not be enabled. */
+               si_texture_zero_dcc_fields(tex);
 
-       /* Return if DCC is enabled. The texture should be set up with it
-        * already.
-        */
-       if (md->size_metadata >= 10 * 4 && /* at least 2(header) + 8(desc) dwords */
-           md->metadata[0] != 0 &&
-           md->metadata[1] == si_get_bo_metadata_word1(sscreen) &&
+               /* Don't report an error if the texture comes from an incompatible driver,
+                * but this might not work.
+                */
+               return true;
+       }
+
+       /* Validate that sample counts and the number of mipmap levels match. */
+       unsigned last_level = G_008F1C_LAST_LEVEL(desc[3]);
+       unsigned type = G_008F1C_TYPE(desc[3]);
+
+       if (type == V_008F1C_SQ_RSRC_IMG_2D_MSAA ||
+           type == V_008F1C_SQ_RSRC_IMG_2D_MSAA_ARRAY) {
+               unsigned log_samples =
+                       util_logbase2(MAX2(1, tex->buffer.b.b.nr_storage_samples));
+
+               if (last_level != log_samples) {
+                       fprintf(stderr, "radeonsi: invalid MSAA texture import, "
+                                       "metadata has log2(samples) = %u, the caller set %u\n",
+                               last_level, log_samples);
+                       return false;
+               }
+       } else {
+               if (last_level != tex->buffer.b.b.last_level) {
+                       fprintf(stderr, "radeonsi: invalid mipmapped texture import, "
+                                       "metadata has last_level = %u, the caller set %u\n",
+                               last_level, tex->buffer.b.b.last_level);
+                       return false;
+               }
+       }
+
+       if (sscreen->info.chip_class >= GFX8 &&
            G_008F28_COMPRESSION_EN(desc[6])) {
-               tex->dcc_offset = (uint64_t)desc[7] << 8;
+               /* Read DCC information.
+                *
+                * Some state trackers don't set the SCANOUT flag when
+                * importing displayable images, which affects PIPE_ALIGNED
+                * and RB_ALIGNED, so we need to recover them here.
+                */
+               switch (sscreen->info.chip_class) {
+               case GFX8:
+                       tex->surface.dcc_offset = (uint64_t)desc[7] << 8;
+                       break;
 
-               if (sscreen->info.chip_class >= GFX9) {
-                       /* Fix up parameters for displayable DCC. Some state
-                        * trackers don't set the SCANOUT flag when importing
-                        * displayable images, so we have to recover the correct
-                        * parameters here.
-                        */
+               case GFX9:
+                       tex->surface.dcc_offset =
+                               ((uint64_t)desc[7] << 8) |
+                               ((uint64_t)G_008F24_META_DATA_ADDRESS(desc[5]) << 40);
                        tex->surface.u.gfx9.dcc.pipe_aligned =
                                G_008F24_META_PIPE_ALIGNED(desc[5]);
                        tex->surface.u.gfx9.dcc.rb_aligned =
@@ -758,14 +828,28 @@ static void si_get_opaque_metadata(struct si_screen *sscreen,
                        if (!tex->surface.u.gfx9.dcc.pipe_aligned &&
                            !tex->surface.u.gfx9.dcc.rb_aligned)
                                tex->surface.is_displayable = true;
+                       break;
+
+               case GFX10:
+                       tex->surface.dcc_offset =
+                               ((uint64_t)G_00A018_META_DATA_ADDRESS_LO(desc[6]) << 8) |
+                               ((uint64_t)desc[7] << 16);
+                       tex->surface.u.gfx9.dcc.pipe_aligned =
+                               G_00A018_META_PIPE_ALIGNED(desc[6]);
+                       break;
+
+               default:
+                       assert(0);
+                       return false;
                }
-               return;
+       } else {
+               /* Disable DCC. dcc_offset is always set by texture_from_handle
+                * and must be cleared here.
+                */
+               si_texture_zero_dcc_fields(tex);
        }
 
-       /* Disable DCC. These are always set by texture_from_handle and must
-        * be cleared here.
-        */
-       tex->dcc_offset = 0;
+       return true;
 }
 
 static bool si_has_displayable_dcc(struct si_texture *tex)
@@ -779,49 +863,104 @@ static bool si_has_displayable_dcc(struct si_texture *tex)
         * (it can't be scanned out and rendered to simultaneously)
         */
        if (sscreen->info.use_display_dcc_unaligned &&
-           tex->dcc_offset &&
+           tex->surface.dcc_offset &&
            !tex->surface.u.gfx9.dcc.pipe_aligned &&
            !tex->surface.u.gfx9.dcc.rb_aligned)
                return true;
 
        /* This needs an explicit flush (flush_resource). */
        if (sscreen->info.use_display_dcc_with_retile_blit &&
-           tex->display_dcc_offset)
+           tex->surface.display_dcc_offset)
                return true;
 
        return false;
 }
 
-static void si_texture_get_info(struct pipe_screen* screen,
-                               struct pipe_resource *resource,
-                               unsigned *pstride,
-                               unsigned *poffset)
+static bool si_resource_get_param(struct pipe_screen *screen,
+                                 struct pipe_context *context,
+                                 struct pipe_resource *resource,
+                                 unsigned plane,
+                                 unsigned layer,
+                                 enum pipe_resource_param param,
+                                 unsigned handle_usage,
+                                 uint64_t *value)
 {
+       for (unsigned i = 0; i < plane; i++)
+               resource = resource->next;
+
        struct si_screen *sscreen = (struct si_screen*)screen;
        struct si_texture *tex = (struct si_texture*)resource;
-       unsigned stride = 0;
-       unsigned offset = 0;
+       struct winsys_handle whandle;
 
-       if (!sscreen || !tex)
-               return;
+       switch (param) {
+       case PIPE_RESOURCE_PARAM_NPLANES:
+               *value = resource->target == PIPE_BUFFER ? 1 : tex->num_planes;
+               return true;
 
-       if (resource->target != PIPE_BUFFER) {
-               if (sscreen->info.chip_class >= GFX9) {
-                       offset = tex->surface.u.gfx9.surf_offset;
-                       stride = tex->surface.u.gfx9.surf_pitch *
-                                       tex->surface.bpe;
-               } else {
-                       offset = tex->surface.u.legacy.level[0].offset;
-                       stride = tex->surface.u.legacy.level[0].nblk_x *
-                                       tex->surface.bpe;
-               }
+       case PIPE_RESOURCE_PARAM_STRIDE:
+               if (resource->target == PIPE_BUFFER)
+                       *value = 0;
+               else if (sscreen->info.chip_class >= GFX9)
+                       *value = tex->surface.u.gfx9.surf_pitch * tex->surface.bpe;
+               else
+                       *value = tex->surface.u.legacy.level[0].nblk_x * tex->surface.bpe;
+               return true;
+
+       case PIPE_RESOURCE_PARAM_OFFSET:
+               if (resource->target == PIPE_BUFFER)
+                       *value = 0;
+               else if (sscreen->info.chip_class >= GFX9)
+                       *value = tex->surface.u.gfx9.surf_offset +
+                                layer * tex->surface.u.gfx9.surf_slice_size;
+               else
+                       *value = tex->surface.u.legacy.level[0].offset +
+                                layer * (uint64_t)tex->surface.u.legacy.level[0].slice_size_dw * 4;
+               return true;
+
+       case PIPE_RESOURCE_PARAM_MODIFIER:
+               *value = DRM_FORMAT_MOD_INVALID;
+               return true;
+
+       case PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED:
+       case PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS:
+       case PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD:
+               memset(&whandle, 0, sizeof(whandle));
+
+               if (param == PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED)
+                       whandle.type = WINSYS_HANDLE_TYPE_SHARED;
+               else if (param == PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS)
+                       whandle.type = WINSYS_HANDLE_TYPE_KMS;
+               else if (param == PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD)
+                       whandle.type = WINSYS_HANDLE_TYPE_FD;
+
+               if (!screen->resource_get_handle(screen, context, resource,
+                                                &whandle, handle_usage))
+                       return false;
+
+               *value = whandle.handle;
+               return true;
        }
+       return false;
+}
 
-       if (pstride)
-               *pstride = stride;
+static void si_texture_get_info(struct pipe_screen* screen,
+                               struct pipe_resource *resource,
+                               unsigned *pstride,
+                               unsigned *poffset)
+{
+       uint64_t value;
 
-       if (poffset)
-               *poffset = offset;
+       if (pstride) {
+               si_resource_get_param(screen, NULL, resource, 0, 0,
+                                     PIPE_RESOURCE_PARAM_STRIDE, 0, &value);
+               *pstride = value;
+       }
+
+       if (poffset) {
+               si_resource_get_param(screen, NULL, resource, 0, 0,
+                                     PIPE_RESOURCE_PARAM_OFFSET, 0, &value);
+               *poffset = value;
+       }
 }
 
 static bool si_texture_get_handle(struct pipe_screen* screen,
@@ -842,6 +981,13 @@ static bool si_texture_get_handle(struct pipe_screen* screen,
        sctx = (struct si_context*)(ctx ? ctx : sscreen->aux_context);
 
        if (resource->target != PIPE_BUFFER) {
+               /* Individual planes are chained pipe_resource instances. */
+               for (unsigned i = 0; i < whandle->plane; i++) {
+                       resource = resource->next;
+                       res = si_resource(resource);
+                       tex = (struct si_texture*)resource;
+               }
+
                /* This is not supported now, but it might be required for OpenCL
                 * interop in the future.
                 */
@@ -852,8 +998,7 @@ static bool si_texture_get_handle(struct pipe_screen* screen,
                if (sscreen->ws->buffer_is_suballocated(res->buf) ||
                    tex->surface.tile_swizzle ||
                    (tex->buffer.flags & RADEON_FLAG_NO_INTERPROCESS_SHARING &&
-                    sscreen->info.has_local_buffers &&
-                    whandle->type != WINSYS_HANDLE_TYPE_KMS)) {
+                    sscreen->info.has_local_buffers)) {
                        assert(!res->b.is_shared);
                        si_reallocate_texture_inplace(sctx, tex,
                                                        PIPE_BIND_SHARED, false);
@@ -868,7 +1013,7 @@ static bool si_texture_get_handle(struct pipe_screen* screen,
                 * disable it for external clients that want write
                 * access.
                 */
-               if ((usage & PIPE_HANDLE_USAGE_SHADER_WRITE && tex->dcc_offset) ||
+               if ((usage & PIPE_HANDLE_USAGE_SHADER_WRITE && tex->surface.dcc_offset) ||
                    /* Displayable DCC requires an explicit flush. */
                    (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) &&
                     si_has_displayable_dcc(tex))) {
@@ -880,7 +1025,7 @@ static bool si_texture_get_handle(struct pipe_screen* screen,
                }
 
                if (!(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) &&
-                   (tex->cmask_buffer || tex->dcc_offset)) {
+                   (tex->cmask_buffer || tex->surface.dcc_offset)) {
                        /* Eliminate fast clear (both CMASK and DCC) */
                        si_eliminate_fast_color_clear(sctx, tex);
                        /* eliminate_fast_color_clear flushes the context */
@@ -894,7 +1039,7 @@ static bool si_texture_get_handle(struct pipe_screen* screen,
                }
 
                /* Set metadata. */
-               if (!res->b.is_shared || update_metadata)
+               if ((!res->b.is_shared || update_metadata) && whandle->offset == 0)
                        si_set_tex_bo_metadata(sscreen, tex);
 
                if (sscreen->info.chip_class >= GFX9) {
@@ -955,8 +1100,10 @@ static bool si_texture_get_handle(struct pipe_screen* screen,
                res->external_usage = usage;
        }
 
-       return sscreen->ws->buffer_get_handle(sscreen->ws, res->buf, stride,
-                                             offset, slice_size, whandle);
+       whandle->stride = stride;
+       whandle->offset = offset + slice_size * whandle->layer;
+
+       return sscreen->ws->buffer_get_handle(sscreen->ws, res->buf, whandle);
 }
 
 static void si_texture_destroy(struct pipe_screen *screen,
@@ -982,85 +1129,6 @@ static void si_texture_destroy(struct pipe_screen *screen,
 
 static const struct u_resource_vtbl si_texture_vtbl;
 
-static void si_texture_get_htile_size(struct si_screen *sscreen,
-                                     struct si_texture *tex)
-{
-       unsigned cl_width, cl_height, width, height;
-       unsigned slice_elements, slice_bytes, pipe_interleave_bytes, base_align;
-       unsigned num_pipes = sscreen->info.num_tile_pipes;
-
-       assert(sscreen->info.chip_class <= GFX8);
-
-       tex->surface.htile_size = 0;
-
-       if (tex->surface.u.legacy.level[0].mode == RADEON_SURF_MODE_1D &&
-           !sscreen->info.htile_cmask_support_1d_tiling)
-               return;
-
-       /* Overalign HTILE on P2 configs to work around GPU hangs in
-        * piglit/depthstencil-render-miplevels 585.
-        *
-        * This has been confirmed to help Kabini & Stoney, where the hangs
-        * are always reproducible. I think I have seen the test hang
-        * on Carrizo too, though it was very rare there.
-        */
-       if (sscreen->info.chip_class >= GFX7 && num_pipes < 4)
-               num_pipes = 4;
-
-       switch (num_pipes) {
-       case 1:
-               cl_width = 32;
-               cl_height = 16;
-               break;
-       case 2:
-               cl_width = 32;
-               cl_height = 32;
-               break;
-       case 4:
-               cl_width = 64;
-               cl_height = 32;
-               break;
-       case 8:
-               cl_width = 64;
-               cl_height = 64;
-               break;
-       case 16:
-               cl_width = 128;
-               cl_height = 64;
-               break;
-       default:
-               assert(0);
-               return;
-       }
-
-       width = align(tex->surface.u.legacy.level[0].nblk_x, cl_width * 8);
-       height = align(tex->surface.u.legacy.level[0].nblk_y, cl_height * 8);
-
-       slice_elements = (width * height) / (8 * 8);
-       slice_bytes = slice_elements * 4;
-
-       pipe_interleave_bytes = sscreen->info.pipe_interleave_bytes;
-       base_align = num_pipes * pipe_interleave_bytes;
-
-       tex->surface.htile_alignment = base_align;
-       tex->surface.htile_size =
-               util_num_layers(&tex->buffer.b.b, 0) *
-               align(slice_bytes, base_align);
-}
-
-static void si_texture_allocate_htile(struct si_screen *sscreen,
-                                     struct si_texture *tex)
-{
-       if (sscreen->info.chip_class <= GFX8 && !tex->tc_compatible_htile)
-               si_texture_get_htile_size(sscreen, tex);
-
-       if (!tex->surface.htile_size)
-               return;
-
-       tex->htile_offset = align(tex->size, tex->surface.htile_alignment);
-       tex->size = tex->htile_offset + tex->surface.htile_size;
-}
-
 void si_print_texture_info(struct si_screen *sscreen,
                           struct si_texture *tex, struct u_log_context *log)
 {
@@ -1087,10 +1155,10 @@ void si_print_texture_info(struct si_screen *sscreen,
                        tex->surface.u.gfx9.surf.epitch,
                        tex->surface.u.gfx9.surf_pitch);
 
-               if (tex->fmask_offset) {
+               if (tex->surface.fmask_offset) {
                        u_log_printf(log, "  FMASK: offset=%"PRIu64", size=%"PRIu64", "
                                "alignment=%u, swmode=%u, epitch=%u\n",
-                               tex->fmask_offset,
+                               tex->surface.fmask_offset,
                                tex->surface.fmask_size,
                                tex->surface.fmask_alignment,
                                tex->surface.u.gfx9.fmask.swizzle_mode,
@@ -1100,27 +1168,27 @@ void si_print_texture_info(struct si_screen *sscreen,
                if (tex->cmask_buffer) {
                        u_log_printf(log, "  CMask: offset=%"PRIu64", size=%u, "
                                "alignment=%u, rb_aligned=%u, pipe_aligned=%u\n",
-                               tex->cmask_offset,
+                               tex->surface.cmask_offset,
                                tex->surface.cmask_size,
                                tex->surface.cmask_alignment,
                                tex->surface.u.gfx9.cmask.rb_aligned,
                                tex->surface.u.gfx9.cmask.pipe_aligned);
                }
 
-               if (tex->htile_offset) {
+               if (tex->surface.htile_offset) {
                        u_log_printf(log, "  HTile: offset=%"PRIu64", size=%u, alignment=%u, "
                                "rb_aligned=%u, pipe_aligned=%u\n",
-                               tex->htile_offset,
+                               tex->surface.htile_offset,
                                tex->surface.htile_size,
                                tex->surface.htile_alignment,
                                tex->surface.u.gfx9.htile.rb_aligned,
                                tex->surface.u.gfx9.htile.pipe_aligned);
                }
 
-               if (tex->dcc_offset) {
+               if (tex->surface.dcc_offset) {
                        u_log_printf(log, "  DCC: offset=%"PRIu64", size=%u, "
                                "alignment=%u, pitch_max=%u, num_dcc_levels=%u\n",
-                               tex->dcc_offset, tex->surface.dcc_size,
+                               tex->surface.dcc_offset, tex->surface.dcc_size,
                                tex->surface.dcc_alignment,
                                tex->surface.u.gfx9.display_dcc_pitch_max,
                                tex->surface.num_dcc_levels);
@@ -1142,10 +1210,10 @@ void si_print_texture_info(struct si_screen *sscreen,
                tex->surface.u.legacy.tile_split, tex->surface.u.legacy.pipe_config,
                (tex->surface.flags & RADEON_SURF_SCANOUT) != 0);
 
-       if (tex->fmask_offset)
+       if (tex->surface.fmask_offset)
                u_log_printf(log, "  FMask: offset=%"PRIu64", size=%"PRIu64", alignment=%u, pitch_in_pixels=%u, "
                        "bankh=%u, slice_tile_max=%u, tile_mode_index=%u\n",
-                       tex->fmask_offset, tex->surface.fmask_size, tex->surface.fmask_alignment,
+                       tex->surface.fmask_offset, tex->surface.fmask_size, tex->surface.fmask_alignment,
                        tex->surface.u.legacy.fmask.pitch_in_pixels,
                        tex->surface.u.legacy.fmask.bankh,
                        tex->surface.u.legacy.fmask.slice_tile_max,
@@ -1154,19 +1222,19 @@ void si_print_texture_info(struct si_screen *sscreen,
        if (tex->cmask_buffer)
                u_log_printf(log, "  CMask: offset=%"PRIu64", size=%u, alignment=%u, "
                        "slice_tile_max=%u\n",
-                       tex->cmask_offset, tex->surface.cmask_size, tex->surface.cmask_alignment,
+                       tex->surface.cmask_offset, tex->surface.cmask_size, tex->surface.cmask_alignment,
                        tex->surface.u.legacy.cmask_slice_tile_max);
 
-       if (tex->htile_offset)
+       if (tex->surface.htile_offset)
                u_log_printf(log, "  HTile: offset=%"PRIu64", size=%u, "
                        "alignment=%u, TC_compatible = %u\n",
-                       tex->htile_offset, tex->surface.htile_size,
+                       tex->surface.htile_offset, tex->surface.htile_size,
                        tex->surface.htile_alignment,
                        tex->tc_compatible_htile);
 
-       if (tex->dcc_offset) {
+       if (tex->surface.dcc_offset) {
                u_log_printf(log, "  DCC: offset=%"PRIu64", size=%u, alignment=%u\n",
-                       tex->dcc_offset, tex->surface.dcc_size,
+                       tex->surface.dcc_offset, tex->surface.dcc_size,
                        tex->surface.dcc_alignment);
                for (i = 0; i <= tex->buffer.b.b.last_level; i++)
                        u_log_printf(log, "  DCCLevel[%i]: enabled=%u, offset=%u, "
@@ -1211,12 +1279,27 @@ void si_print_texture_info(struct si_screen *sscreen,
        }
 }
 
-/* Common processing for si_texture_create and si_texture_from_handle */
+/**
+ * Common function for si_texture_create and si_texture_from_handle.
+ *
+ * \param screen       screen
+ * \param base         resource template
+ * \param surface      radeon_surf
+ * \param plane0       if a non-zero plane is being created, this is the first plane
+ * \param imported_buf from si_texture_from_handle
+ * \param offset       offset for non-zero planes or imported buffers
+ * \param alloc_size   the size to allocate if plane0 != NULL
+ * \param alignment    alignment for the allocation
+ */
 static struct si_texture *
 si_texture_create_object(struct pipe_screen *screen,
                         const struct pipe_resource *base,
-                        struct pb_buffer *buf,
-                        struct radeon_surf *surface)
+                        const struct radeon_surf *surface,
+                        const struct si_texture *plane0,
+                        struct pb_buffer *imported_buf,
+                        uint64_t offset,
+                        uint64_t alloc_size,
+                        unsigned alignment)
 {
        struct si_texture *tex;
        struct si_resource *resource;
@@ -1235,10 +1318,7 @@ si_texture_create_object(struct pipe_screen *screen,
 
        /* don't include stencil-only formats which we don't support for rendering */
        tex->is_depth = util_format_has_depth(util_format_description(tex->buffer.b.b.format));
-
        tex->surface = *surface;
-       tex->size = tex->surface.surf_size;
-
        tex->tc_compatible_htile = tex->surface.htile_size != 0 &&
                                   (tex->surface.flags &
                                    RADEON_SURF_TC_COMPATIBLE_HTILE);
@@ -1268,6 +1348,13 @@ si_texture_create_object(struct pipe_screen *screen,
         */
        tex->ps_draw_ratio = 0;
 
+       if (sscreen->info.chip_class >= GFX9) {
+               tex->surface.u.gfx9.surf_offset = offset;
+       } else {
+               for (unsigned i = 0; i < ARRAY_SIZE(surface->u.legacy.level); ++i)
+                       tex->surface.u.legacy.level[i].offset += offset;
+       }
+
        if (tex->is_depth) {
                if (sscreen->info.chip_class >= GFX9) {
                        tex->can_sample_z = true;
@@ -1285,107 +1372,63 @@ si_texture_create_object(struct pipe_screen *screen,
                        tex->can_sample_s = !tex->surface.u.legacy.stencil_adjusted;
                }
 
-               if (!(base->flags & (SI_RESOURCE_FLAG_TRANSFER |
-                                    SI_RESOURCE_FLAG_FLUSHED_DEPTH))) {
-                       tex->db_compatible = true;
-
-                       if (!(sscreen->debug_flags & DBG(NO_HYPERZ)))
-                               si_texture_allocate_htile(sscreen, tex);
-               }
+               tex->db_compatible = surface->flags & RADEON_SURF_ZBUFFER;
        } else {
-               if (base->nr_samples > 1 &&
-                   !buf &&
-                   !(sscreen->debug_flags & DBG(NO_FMASK))) {
-                       /* Allocate FMASK. */
-                       tex->fmask_offset = align64(tex->size,
-                                                    tex->surface.fmask_alignment);
-                       tex->size = tex->fmask_offset + tex->surface.fmask_size;
-
-                       /* Allocate CMASK. */
-                       tex->cmask_offset = align64(tex->size, tex->surface.cmask_alignment);
-                       tex->size = tex->cmask_offset + tex->surface.cmask_size;
+               if (tex->surface.cmask_offset) {
                        tex->cb_color_info |= S_028C70_FAST_CLEAR(1);
                        tex->cmask_buffer = &tex->buffer;
-
-                       if (!tex->surface.fmask_size || !tex->surface.cmask_size)
-                               goto error;
-               }
-
-               /* Shared textures must always set up DCC here.
-                * If it's not present, it will be disabled by
-                * si_get_opaque_metadata later.
-                */
-               if (tex->surface.dcc_size &&
-                   (buf || !(sscreen->debug_flags & DBG(NO_DCC))) &&
-                   (sscreen->info.use_display_dcc_unaligned ||
-                    sscreen->info.use_display_dcc_with_retile_blit ||
-                    !(tex->surface.flags & RADEON_SURF_SCANOUT))) {
-                       /* Add space for the DCC buffer. */
-                       tex->dcc_offset = align64(tex->size, tex->surface.dcc_alignment);
-                       tex->size = tex->dcc_offset + tex->surface.dcc_size;
-
-                       if (sscreen->info.chip_class >= GFX9 &&
-                           tex->surface.u.gfx9.dcc_retile_num_elements) {
-                               /* Add space for the displayable DCC buffer. */
-                               tex->display_dcc_offset =
-                                       align64(tex->size, tex->surface.u.gfx9.display_dcc_alignment);
-                               tex->size = tex->display_dcc_offset +
-                                           tex->surface.u.gfx9.display_dcc_size;
-
-                               /* Add space for the DCC retile buffer. (16-bit or 32-bit elements) */
-                               tex->dcc_retile_map_offset =
-                                       align64(tex->size, sscreen->info.tcc_cache_line_size);
-
-                               if (tex->surface.u.gfx9.dcc_retile_use_uint16) {
-                                       tex->size = tex->dcc_retile_map_offset +
-                                                   tex->surface.u.gfx9.dcc_retile_num_elements * 2;
-                               } else {
-                                       tex->size = tex->dcc_retile_map_offset +
-                                                   tex->surface.u.gfx9.dcc_retile_num_elements * 4;
-                               }
-                       }
                }
        }
 
-       /* Now create the backing buffer. */
-       if (!buf) {
-               si_init_resource_fields(sscreen, resource, tex->size,
-                                         tex->surface.surf_alignment);
+       if (plane0) {
+               /* The buffer is shared with the first plane. */
+               resource->bo_size = plane0->buffer.bo_size;
+               resource->bo_alignment = plane0->buffer.bo_alignment;
+               resource->flags = plane0->buffer.flags;
+               resource->domains = plane0->buffer.domains;
+               resource->vram_usage = plane0->buffer.vram_usage;
+               resource->gart_usage = plane0->buffer.gart_usage;
+
+               pb_reference(&resource->buf, plane0->buffer.buf);
+               resource->gpu_address = plane0->buffer.gpu_address;
+       } else if (!(surface->flags & RADEON_SURF_IMPORTED)) {
+               /* Create the backing buffer. */
+               si_init_resource_fields(sscreen, resource, alloc_size, alignment);
 
                if (!si_alloc_resource(sscreen, resource))
                        goto error;
        } else {
-               resource->buf = buf;
+               resource->buf = imported_buf;
                resource->gpu_address = sscreen->ws->buffer_get_virtual_address(resource->buf);
-               resource->bo_size = buf->size;
-               resource->bo_alignment = buf->alignment;
+               resource->bo_size = imported_buf->size;
+               resource->bo_alignment = imported_buf->alignment;
                resource->domains = sscreen->ws->buffer_get_initial_domain(resource->buf);
                if (resource->domains & RADEON_DOMAIN_VRAM)
-                       resource->vram_usage = buf->size;
+                       resource->vram_usage = resource->bo_size;
                else if (resource->domains & RADEON_DOMAIN_GTT)
-                       resource->gart_usage = buf->size;
+                       resource->gart_usage = resource->bo_size;
        }
 
        if (tex->cmask_buffer) {
                /* Initialize the cmask to 0xCC (= compressed state). */
                si_screen_clear_buffer(sscreen, &tex->cmask_buffer->b.b,
-                                        tex->cmask_offset, tex->surface.cmask_size,
+                                        tex->surface.cmask_offset, tex->surface.cmask_size,
                                         0xCCCCCCCC);
        }
-       if (tex->htile_offset) {
+       if (tex->surface.htile_offset) {
                uint32_t clear_value = 0;
 
                if (sscreen->info.chip_class >= GFX9 || tex->tc_compatible_htile)
                        clear_value = 0x0000030F;
 
                si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
-                                        tex->htile_offset,
+                                        tex->surface.htile_offset,
                                         tex->surface.htile_size,
                                         clear_value);
        }
 
        /* Initialize DCC only if the texture is not being imported. */
-       if (!buf && tex->dcc_offset) {
+       if (!(surface->flags & RADEON_SURF_IMPORTED) && tex->surface.dcc_offset) {
                /* Clear DCC to black for all tiles with DCC enabled.
                 *
                 * This fixes corruption in 3DMark Slingshot Extreme, which
@@ -1395,13 +1438,13 @@ si_texture_create_object(struct pipe_screen *screen,
                    tex->buffer.b.b.nr_samples <= 2) {
                        /* Simple case - all tiles have DCC enabled. */
                        si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
-                                              tex->dcc_offset,
+                                              tex->surface.dcc_offset,
                                               tex->surface.dcc_size,
                                               DCC_CLEAR_COLOR_0000);
                } else if (sscreen->info.chip_class >= GFX9) {
                        /* Clear to uncompressed. Clearing this to black is complicated. */
                        si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
-                                              tex->dcc_offset,
+                                              tex->surface.dcc_offset,
                                               tex->surface.dcc_size,
                                               DCC_UNCOMPRESSED);
                } else {
@@ -1409,7 +1452,7 @@ si_texture_create_object(struct pipe_screen *screen,
                        if (tex->buffer.b.b.nr_samples >= 2) {
                                /* Clearing this to black is complicated. */
                                si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
-                                                      tex->dcc_offset,
+                                                      tex->surface.dcc_offset,
                                                       tex->surface.dcc_size,
                                                       DCC_UNCOMPRESSED);
                        } else {
@@ -1427,22 +1470,30 @@ si_texture_create_object(struct pipe_screen *screen,
                                /* Mipmap levels with DCC. */
                                if (size) {
                                        si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
-                                                              tex->dcc_offset, size,
+                                                              tex->surface.dcc_offset, size,
                                                               DCC_CLEAR_COLOR_0000);
                                }
                                /* Mipmap levels without DCC. */
                                if (size != tex->surface.dcc_size) {
                                        si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
-                                                              tex->dcc_offset + size,
+                                                              tex->surface.dcc_offset + size,
                                                               tex->surface.dcc_size - size,
                                                               DCC_UNCOMPRESSED);
                                }
                        }
                }
 
-               /* Upload the DCC retile map. */
-               if (tex->dcc_retile_map_offset) {
-                       /* Use a staging buffer for the upload, because
+               /* Initialize displayable DCC that requires the retile blit. */
+               if (tex->surface.dcc_retile_map_offset) {
+                       /* Uninitialized DCC can hang the display hw.
+                        * Clear to white to indicate that. */
+                       si_screen_clear_buffer(sscreen, &tex->buffer.b.b,
+                                              tex->surface.display_dcc_offset,
+                                              tex->surface.u.gfx9.display_dcc_size,
+                                              DCC_CLEAR_COLOR_1111);
+
+                       /* Upload the DCC retile map.
+                        * Use a staging buffer for the upload, because
                         * the buffer backing the texture is unmappable.
                         */
                        bool use_uint16 = tex->surface.u.gfx9.dcc_retile_use_uint16;
@@ -1469,13 +1520,13 @@ si_texture_create_object(struct pipe_screen *screen,
                        struct pipe_box box;
                        u_box_1d(0, buf->b.b.width0, &box);
 
-                       assert(tex->dcc_retile_map_offset <= UINT_MAX);
-                       mtx_lock(&sscreen->aux_context_lock);
+                       assert(tex->surface.dcc_retile_map_offset <= UINT_MAX);
+                       simple_mtx_lock(&sscreen->aux_context_lock);
                        sctx->dma_copy(&sctx->b, &tex->buffer.b.b, 0,
-                                      tex->dcc_retile_map_offset, 0, 0,
+                                      tex->surface.dcc_retile_map_offset, 0, 0,
                                       &buf->b.b, 0, &box);
                        sscreen->aux_context->flush(sscreen->aux_context, NULL, 0);
-                       mtx_unlock(&sscreen->aux_context_lock);
+                       simple_mtx_unlock(&sscreen->aux_context_lock);
 
                        si_resource_reference(&buf, NULL);
                }
@@ -1483,7 +1534,7 @@ si_texture_create_object(struct pipe_screen *screen,
 
        /* Initialize the CMASK base register value. */
        tex->cmask_base_address_reg =
-               (tex->buffer.gpu_address + tex->cmask_offset) >> 8;
+               (tex->buffer.gpu_address + tex->surface.cmask_offset) >> 8;
 
        if (sscreen->debug_flags & DBG(VM)) {
                fprintf(stderr, "VM start=0x%"PRIX64"  end=0x%"PRIX64" | Texture %ix%ix%i, %i levels, %i samples, %s\n",
@@ -1602,8 +1653,8 @@ struct pipe_resource *si_texture_create(struct pipe_screen *screen,
                }
        }
 
-       struct radeon_surf surface = {0};
-       bool is_flushed_depth = templ->flags & SI_RESOURCE_FLAG_FLUSHED_DEPTH;
+       bool is_flushed_depth = templ->flags & SI_RESOURCE_FLAG_FLUSHED_DEPTH ||
+                               templ->flags & SI_RESOURCE_FLAG_TRANSFER;
        bool tc_compatible_htile =
                sscreen->info.chip_class >= GFX8 &&
                /* There are issues with TC-compatible HTILE on Tonga (and
@@ -1618,18 +1669,65 @@ struct pipe_resource *si_texture_create(struct pipe_screen *screen,
                !is_flushed_depth &&
                templ->nr_samples <= 1 && /* TC-compat HTILE is less efficient with MSAA */
                is_zs;
-       int r;
+       enum radeon_surf_mode tile_mode = si_choose_tiling(sscreen, templ,
+                                                          tc_compatible_htile);
+
+       /* This allocates textures with multiple planes like NV12 in 1 buffer. */
+       enum { SI_TEXTURE_MAX_PLANES = 3 };
+       struct radeon_surf surface[SI_TEXTURE_MAX_PLANES] = {};
+       struct pipe_resource plane_templ[SI_TEXTURE_MAX_PLANES];
+       uint64_t plane_offset[SI_TEXTURE_MAX_PLANES] = {};
+       uint64_t total_size = 0;
+       unsigned max_alignment = 0;
+       unsigned num_planes = util_format_get_num_planes(templ->format);
+       assert(num_planes <= SI_TEXTURE_MAX_PLANES);
+
+       /* Compute texture or plane layouts and offsets. */
+       for (unsigned i = 0; i < num_planes; i++) {
+               plane_templ[i] = *templ;
+               plane_templ[i].format = util_format_get_plane_format(templ->format, i);
+               plane_templ[i].width0 = util_format_get_plane_width(templ->format, i, templ->width0);
+               plane_templ[i].height0 = util_format_get_plane_height(templ->format, i, templ->height0);
+
+               /* Multi-plane allocations need PIPE_BIND_SHARED, because we can't
+                * reallocate the storage to add PIPE_BIND_SHARED, because it's
+                * shared by 3 pipe_resources.
+                */
+               if (num_planes > 1)
+                       plane_templ[i].bind |= PIPE_BIND_SHARED;
 
-       r = si_init_surface(sscreen, &surface, templ,
-                           si_choose_tiling(sscreen, templ, tc_compatible_htile),
-                           0, 0, false, false, is_flushed_depth,
-                           tc_compatible_htile);
-       if (r) {
-               return NULL;
+               if (si_init_surface(sscreen, &surface[i], &plane_templ[i],
+                                   tile_mode, 0, false, false,
+                                   is_flushed_depth, tc_compatible_htile))
+                       return NULL;
+
+               plane_offset[i] = align64(total_size, surface[i].surf_alignment);
+               total_size = plane_offset[i] + surface[i].total_size;
+               max_alignment = MAX2(max_alignment, surface[i].surf_alignment);
        }
 
-       return (struct pipe_resource *)
-              si_texture_create_object(screen, templ, NULL, &surface);
+       struct si_texture *plane0 = NULL, *last_plane = NULL;
+
+       for (unsigned i = 0; i < num_planes; i++) {
+               struct si_texture *tex =
+                       si_texture_create_object(screen, &plane_templ[i], &surface[i],
+                                                plane0, NULL, plane_offset[i],
+                                                total_size, max_alignment);
+               if (!tex) {
+                       si_texture_reference(&plane0, NULL);
+                       return NULL;
+               }
+
+               tex->plane_index = i;
+               tex->num_planes = num_planes;
+
+               if (!last_plane)
+                       plane0 = last_plane = tex;
+               else
+                       last_plane->buffer.b.b.next = &tex->buffer.b.b;
+       }
+
+       return (struct pipe_resource *)plane0;
 }
 
 static struct pipe_resource *si_texture_from_winsys_buffer(struct si_screen *sscreen,
@@ -1647,6 +1745,10 @@ static struct pipe_resource *si_texture_from_winsys_buffer(struct si_screen *ssc
        bool is_scanout;
        int r;
 
+       /* Ignore metadata for non-zero planes. */
+       if (offset != 0)
+               dedicated = false;
+
        if (dedicated) {
                sscreen->ws->buffer_get_metadata(buf, &metadata);
                si_get_display_metadata(sscreen, &surface, &metadata,
@@ -1679,22 +1781,27 @@ static struct pipe_resource *si_texture_from_winsys_buffer(struct si_screen *ssc
        }
 
        r = si_init_surface(sscreen, &surface, templ,
-                           array_mode, stride, offset, true, is_scanout,
+                           array_mode, stride, true, is_scanout,
                            false, false);
        if (r)
                return NULL;
 
-       tex = si_texture_create_object(&sscreen->b, templ, buf, &surface);
+       tex = si_texture_create_object(&sscreen->b, templ, &surface, NULL, buf,
+                                      offset, 0, 0);
        if (!tex)
                return NULL;
 
        tex->buffer.b.is_shared = true;
        tex->buffer.external_usage = usage;
+       tex->num_planes = 1;
 
-       si_get_opaque_metadata(sscreen, tex, &metadata);
+       if (!si_read_tex_bo_metadata(sscreen, tex, offset, &metadata)) {
+               si_texture_reference(&tex, NULL);
+               return NULL;
+       }
 
        /* Displayable DCC requires an explicit flush. */
-       if (dedicated &&
+       if (dedicated && offset == 0 &&
            !(usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH) &&
            si_has_displayable_dcc(tex)) {
                /* TODO: do we need to decompress DCC? */
@@ -1715,21 +1822,21 @@ static struct pipe_resource *si_texture_from_handle(struct pipe_screen *screen,
 {
        struct si_screen *sscreen = (struct si_screen*)screen;
        struct pb_buffer *buf = NULL;
-       unsigned stride = 0, offset = 0;
 
        /* Support only 2D textures without mipmaps */
-       if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) ||
-             templ->depth0 != 1 || templ->last_level != 0)
+       if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT &&
+            templ->target != PIPE_TEXTURE_2D_ARRAY) ||
+             templ->last_level != 0)
                return NULL;
 
        buf = sscreen->ws->buffer_from_handle(sscreen->ws, whandle,
-                                             sscreen->info.max_alignment,
-                                             &stride, &offset);
+                                             sscreen->info.max_alignment);
        if (!buf)
                return NULL;
 
-       return si_texture_from_winsys_buffer(sscreen, templ, buf, stride,
-                                            offset, usage, true);
+       return si_texture_from_winsys_buffer(sscreen, templ, buf,
+                                            whandle->stride, whandle->offset,
+                                            usage, true);
 }
 
 bool si_init_flushed_depth_texture(struct pipe_context *ctx,
@@ -1843,6 +1950,7 @@ static bool si_can_invalidate_texture(struct si_screen *sscreen,
                                      const struct pipe_box *box)
 {
        return !tex->buffer.b.is_shared &&
+               !(tex->surface.flags & RADEON_SURF_IMPORTED) &&
                !(transfer_usage & PIPE_TRANSFER_READ) &&
                tex->buffer.b.b.last_level == 0 &&
                util_texrange_covers_whole_level(&tex->buffer.b.b, 0,
@@ -1865,11 +1973,11 @@ static void si_texture_invalidate_storage(struct si_context *sctx,
 
        /* Initialize the CMASK base address (needed even without CMASK). */
        tex->cmask_base_address_reg =
-               (tex->buffer.gpu_address + tex->cmask_offset) >> 8;
+               (tex->buffer.gpu_address + tex->surface.cmask_offset) >> 8;
 
        p_atomic_inc(&sscreen->dirty_tex_counter);
 
-       sctx->num_alloc_tex_transfer_bytes += tex->size;
+       sctx->num_alloc_tex_transfer_bytes += tex->surface.total_size;
 }
 
 static void *si_texture_transfer_map(struct pipe_context *ctx,
@@ -2427,7 +2535,7 @@ void vi_separate_dcc_try_enable(struct si_context *sctx,
 
        assert(sctx->chip_class >= GFX8);
 
-       if (tex->dcc_offset)
+       if (tex->surface.dcc_offset)
                return; /* already enabled */
 
        /* Enable the DCC stat gathering. */
@@ -2462,7 +2570,7 @@ void vi_separate_dcc_try_enable(struct si_context *sctx,
        }
 
        /* dcc_offset is the absolute GPUVM address. */
-       tex->dcc_offset = tex->dcc_separate_buffer->gpu_address;
+       tex->surface.dcc_offset = tex->dcc_separate_buffer->gpu_address;
 
        /* no need to flag anything since this is called by fast clear that
         * flags framebuffer state
@@ -2521,7 +2629,7 @@ void vi_separate_dcc_process_and_reset_stats(struct pipe_context *ctx,
                assert(!tex->last_dcc_separate_buffer);
                tex->last_dcc_separate_buffer = tex->dcc_separate_buffer;
                tex->dcc_separate_buffer = NULL;
-               tex->dcc_offset = 0;
+               tex->surface.dcc_offset = 0;
                /* no need to flag anything since this is called after
                 * decompression that re-sets framebuffer state
                 */
@@ -2536,14 +2644,12 @@ si_memobj_from_handle(struct pipe_screen *screen,
        struct si_screen *sscreen = (struct si_screen*)screen;
        struct si_memory_object *memobj = CALLOC_STRUCT(si_memory_object);
        struct pb_buffer *buf = NULL;
-       uint32_t stride, offset;
 
        if (!memobj)
                return NULL;
 
        buf = sscreen->ws->buffer_from_handle(sscreen->ws, whandle,
-                                             sscreen->info.max_alignment,
-                                             &stride, &offset);
+                                             sscreen->info.max_alignment);
        if (!buf) {
                free(memobj);
                return NULL;
@@ -2551,7 +2657,7 @@ si_memobj_from_handle(struct pipe_screen *screen,
 
        memobj->b.dedicated = dedicated;
        memobj->buf = buf;
-       memobj->stride = stride;
+       memobj->stride = whandle->stride;
 
        return (struct pipe_memory_object *)memobj;
 
@@ -2616,6 +2722,7 @@ void si_init_screen_texture_functions(struct si_screen *sscreen)
 {
        sscreen->b.resource_from_handle = si_texture_from_handle;
        sscreen->b.resource_get_handle = si_texture_get_handle;
+       sscreen->b.resource_get_param = si_resource_get_param;
        sscreen->b.resource_get_info = si_texture_get_info;
        sscreen->b.resource_from_memobj = si_texture_from_memobj;
        sscreen->b.memobj_create_from_handle = si_memobj_from_handle;