r600g: make F2U trans-only on r600-r700
[mesa.git] / src / gallium / drivers / r600 / r600_blit.c
index 480bef1baab4d7ec55cb8e9b99afcabfc954c364..a577d3a949441f302f203bf925b95bffdebcccab 100644 (file)
 
 enum r600_blitter_op /* bitmask */
 {
-       R600_SAVE_TEXTURES      = 1,
-       R600_SAVE_FRAMEBUFFER   = 2,
-       R600_DISABLE_RENDER_COND = 4,
+       R600_SAVE_FRAGMENT_STATE = 1,
+       R600_SAVE_TEXTURES       = 2,
+       R600_SAVE_FRAMEBUFFER    = 4,
+       R600_DISABLE_RENDER_COND = 8,
 
-       R600_CLEAR         = 0,
+       R600_CLEAR         = R600_SAVE_FRAGMENT_STATE,
 
-       R600_CLEAR_SURFACE = R600_SAVE_FRAMEBUFFER,
+       R600_CLEAR_SURFACE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER,
 
-       R600_COPY          = R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
+       R600_COPY_BUFFER   = R600_DISABLE_RENDER_COND,
+
+       R600_COPY_TEXTURE  = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
                             R600_DISABLE_RENDER_COND,
 
-       R600_DECOMPRESS    = R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
+       R600_DECOMPRESS    = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
+
+       R600_COLOR_RESOLVE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND
 };
 
 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
@@ -47,23 +52,27 @@ static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op
 
        r600_suspend_nontimer_queries(rctx);
 
-       util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
-       util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
-       if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
-               util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
-       }
-       util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
-       util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
-       util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
-       util_blitter_save_vertex_elements(rctx->blitter, rctx->vbuf_mgr->vertex_elements);
-       if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
-               util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
-       }
        util_blitter_save_vertex_buffers(rctx->blitter,
-                                        rctx->vbuf_mgr->nr_vertex_buffers,
-                                        rctx->vbuf_mgr->vertex_buffer);
+                                        util_last_bit(rctx->vertex_buffer_state.enabled_mask),
+                                        rctx->vertex_buffer_state.vb);
+       util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
+       util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
        util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
                                     (struct pipe_stream_output_target**)rctx->so_targets);
+       util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
+
+       if (op & R600_SAVE_FRAGMENT_STATE) {
+               if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
+                       util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
+               }
+               util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
+               util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
+               util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
+               if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
+                       util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
+               }
+                util_blitter_save_sample_mask(rctx->blitter, rctx->sample_mask.sample_mask);
+       }
 
        if (op & R600_SAVE_FRAMEBUFFER)
                util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
@@ -74,8 +83,8 @@ static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op
                        (void**)rctx->ps_samplers.samplers);
 
                util_blitter_save_fragment_sampler_views(
-                       rctx->blitter, rctx->ps_samplers.n_views,
-                       (struct pipe_sampler_view**)rctx->ps_samplers.views);
+                       rctx->blitter, util_last_bit(rctx->ps_samplers.views.enabled_mask),
+                       (struct pipe_sampler_view**)rctx->ps_samplers.views.views);
        }
 
        if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
@@ -98,101 +107,292 @@ static void r600_blitter_end(struct pipe_context *ctx)
        r600_resume_nontimer_queries(rctx);
 }
 
-static unsigned u_num_layers(struct pipe_resource *r, unsigned level)
+static unsigned u_max_layer(struct pipe_resource *r, unsigned level)
 {
        switch (r->target) {
        case PIPE_TEXTURE_CUBE:
-               return 6;
+               return 6 - 1;
        case PIPE_TEXTURE_3D:
-               return u_minify(r->depth0, level);
+               return u_minify(r->depth0, level) - 1;
        case PIPE_TEXTURE_1D_ARRAY:
-               return r->array_size;
        case PIPE_TEXTURE_2D_ARRAY:
-               return r->array_size;
+               return r->array_size - 1;
        default:
-               return 1;
+               return 0;
        }
 }
 
-void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
+static unsigned u_max_sample(struct pipe_resource *r)
 {
-       struct r600_context *rctx = (struct r600_context *)ctx;
-       unsigned layer, level;
-       float depth = 1.0f;
+       return r->nr_samples ? r->nr_samples - 1 : 0;
+}
 
-       if (!texture->dirty_db)
+void r600_blit_uncompress_depth(struct pipe_context *ctx,
+               struct r600_texture *texture,
+               struct r600_texture *staging,
+               unsigned first_level, unsigned last_level,
+               unsigned first_layer, unsigned last_layer,
+               unsigned first_sample, unsigned last_sample)
+{
+       struct r600_context *rctx = (struct r600_context *)ctx;
+       unsigned layer, level, sample, checked_last_layer, max_layer, max_sample;
+       struct r600_texture *flushed_depth_texture = staging ?
+                       staging : texture->flushed_depth_texture;
+       const struct util_format_description *desc =
+               util_format_description(texture->resource.b.b.format);
+       float depth;
+
+       if (!staging && !texture->dirty_db_mask)
                return;
 
        if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
            rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
                depth = 0.0f;
+       else
+               depth = 1.0f;
 
-       for (level = 0; level <= texture->resource.b.b.b.last_level; level++) {
-               unsigned num_layers = u_num_layers(&texture->resource.b.b.b, level);
-
-               for (layer = 0; layer < num_layers; layer++) {
-                       struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
-
-                       surf_tmpl.format = texture->real_format;
-                       surf_tmpl.u.tex.level = level;
-                       surf_tmpl.u.tex.first_layer = layer;
-                       surf_tmpl.u.tex.last_layer = layer;
-                       surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
+       /* Enable decompression in DB_RENDER_CONTROL */
+       rctx->db_misc_state.flush_depthstencil_through_cb = true;
+       rctx->db_misc_state.copy_depth = util_format_has_depth(desc);
+       rctx->db_misc_state.copy_stencil = util_format_has_stencil(desc);
+       rctx->db_misc_state.copy_sample = first_sample;
+       r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
 
-                       zsurf = ctx->create_surface(ctx, &texture->resource.b.b.b, &surf_tmpl);
+       max_sample = u_max_sample(&texture->resource.b.b);
 
-                       surf_tmpl.format = texture->flushed_depth_texture->real_format;
-                       surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
-                       cbsurf = ctx->create_surface(ctx,
-                                       (struct pipe_resource*)texture->flushed_depth_texture, &surf_tmpl);
+       for (level = first_level; level <= last_level; level++) {
+               if (!staging && !(texture->dirty_db_mask & (1 << level)))
+                       continue;
 
-                       r600_blitter_begin(ctx, R600_DECOMPRESS);
-                       util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
-                       r600_blitter_end(ctx);
+               /* The smaller the mipmap level, the less layers there are
+                * as far as 3D textures are concerned. */
+               max_layer = u_max_layer(&texture->resource.b.b, level);
+               checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
+
+               for (layer = first_layer; layer <= checked_last_layer; layer++) {
+                       for (sample = first_sample; sample <= last_sample; sample++) {
+                               struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
+
+                               if (sample != rctx->db_misc_state.copy_sample) {
+                                       rctx->db_misc_state.copy_sample = sample;
+                                       r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
+                               }
+
+                               surf_tmpl.format = texture->resource.b.b.format;
+                               surf_tmpl.u.tex.level = level;
+                               surf_tmpl.u.tex.first_layer = layer;
+                               surf_tmpl.u.tex.last_layer = layer;
+                               surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
+
+                               zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
+
+                               surf_tmpl.format = flushed_depth_texture->resource.b.b.format;
+                               surf_tmpl.u.tex.level = level;
+                               surf_tmpl.u.tex.first_layer = layer;
+                               surf_tmpl.u.tex.last_layer = layer;
+                               surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
+                               cbsurf = ctx->create_surface(ctx,
+                                               &flushed_depth_texture->resource.b.b, &surf_tmpl);
+
+                               r600_blitter_begin(ctx, R600_DECOMPRESS);
+                               util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, 1 << sample,
+                                                                 rctx->custom_dsa_flush, depth);
+                               r600_blitter_end(ctx);
+
+                               pipe_surface_reference(&zsurf, NULL);
+                               pipe_surface_reference(&cbsurf, NULL);
+                       }
+               }
 
-                       pipe_surface_reference(&zsurf, NULL);
-                       pipe_surface_reference(&cbsurf, NULL);
+               /* The texture will always be dirty if some layers or samples aren't flushed.
+                * I don't think this case occurs often though. */
+               if (!staging &&
+                   first_layer == 0 && last_layer == max_layer &&
+                   first_sample == 0 && last_sample == max_sample) {
+                       texture->dirty_db_mask &= ~(1 << level);
                }
        }
 
-       texture->dirty_db = FALSE;
+       /* reenable compression in DB_RENDER_CONTROL */
+       rctx->db_misc_state.flush_depthstencil_through_cb = false;
+       r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
 }
 
-void r600_flush_depth_textures(struct r600_context *rctx)
+void r600_flush_depth_textures(struct r600_context *rctx,
+                              struct r600_samplerview_state *textures)
 {
-       unsigned int i;
+       unsigned i;
+       unsigned depth_texture_mask = textures->depth_texture_mask;
 
-       /* XXX: This handles fragment shader textures only. */
+       while (depth_texture_mask) {
+               struct pipe_sampler_view *view;
+               struct r600_texture *tex;
 
-       for (i = 0; i < rctx->ps_samplers.n_views; ++i) {
-               struct r600_pipe_sampler_view *view;
-               struct r600_resource_texture *tex;
+               i = u_bit_scan(&depth_texture_mask);
 
-               view = rctx->ps_samplers.views[i];
-               if (!view) continue;
+               view = &textures->views[i]->base;
+               assert(view);
 
-               tex = (struct r600_resource_texture *)view->base.texture;
-               if (!tex->is_depth)
-                       continue;
+               tex = (struct r600_texture *)view->texture;
+               assert(tex->is_depth && !tex->is_flushing_texture);
 
-               if (tex->is_flushing_texture)
-                       continue;
+               r600_blit_uncompress_depth(&rctx->context, tex, NULL,
+                                          view->u.tex.first_level, view->u.tex.last_level,
+                                          0, u_max_layer(&tex->resource.b.b, view->u.tex.first_level),
+                                          0, u_max_sample(&tex->resource.b.b));
+       }
+}
 
-               r600_blit_uncompress_depth(&rctx->context, tex);
+static void r600_copy_first_sample(struct pipe_context *ctx,
+                                  const struct pipe_resolve_info *info)
+{
+       struct r600_context *rctx = (struct r600_context *)ctx;
+       struct r600_texture *rsrc = (struct r600_texture*)info->src.res;
+       struct pipe_surface *dst_view, dst_templ;
+       struct pipe_sampler_view src_templ, *src_view;
+       struct pipe_box box;
+
+       if (rsrc->is_depth && !rsrc->is_flushing_texture) {
+               if (!r600_init_flushed_depth_texture(ctx, info->src.res, NULL))
+                       return; /* error */
+
+               /* Decompress the first sample only. */
+               r600_blit_uncompress_depth(ctx, rsrc, NULL,
+                                          0, 0,
+                                          info->src.layer, info->src.layer,
+                                          0, 0);
        }
 
-       /* also check CB here */
-       for (i = 0; i < rctx->framebuffer.nr_cbufs; i++) {
-               struct r600_resource_texture *tex;
-               tex = (struct r600_resource_texture *)rctx->framebuffer.cbufs[i]->texture;
+       /* this is correct for upside-down blits too */
+       u_box_2d(info->src.x0,
+                info->src.y0,
+                info->src.x1 - info->src.x0,
+                info->src.y1 - info->src.y0, &box);
+
+       /* Initialize the surface. */
+       util_blitter_default_dst_texture(&dst_templ, info->dst.res,
+                                        info->dst.level, info->dst.layer, &box);
+       dst_view = ctx->create_surface(ctx, info->dst.res, &dst_templ);
+
+       /* Initialize the sampler view. */
+       util_blitter_default_src_texture(&src_templ, info->src.res, 0);
+       src_view = ctx->create_sampler_view(ctx, info->src.res, &src_templ);
+
+       /* Copy the first sample into dst. */
+       r600_blitter_begin(ctx, R600_COPY_TEXTURE);
+       util_blitter_copy_texture_view(rctx->blitter, dst_view, ~0, info->dst.x0,
+                                      info->dst.y0, src_view, 0, &box,
+                                      info->src.res->width0, info->src.res->height0,
+                                      info->mask);
+       r600_blitter_end(ctx);
 
-               if (!tex->is_depth)
-                       continue;
+       pipe_surface_reference(&dst_view, NULL);
+       pipe_sampler_view_reference(&src_view, NULL);
+}
 
-               if (tex->is_flushing_texture)
-                       continue;
+static boolean is_simple_resolve(const struct pipe_resolve_info *info)
+{
+   unsigned dst_width = u_minify(info->dst.res->width0, info->dst.level);
+   unsigned dst_height = u_minify(info->dst.res->height0, info->dst.level);
+
+   return info->dst.res->format == info->src.res->format &&
+          dst_width == info->src.res->width0 &&
+          dst_height == info->src.res->height0 &&
+          info->dst.x0 == 0 &&
+          info->dst.y0 == 0 &&
+          info->dst.x1 == dst_width &&
+          info->dst.y1 == dst_height &&
+          info->src.x0 == 0 &&
+          info->src.y0 == 0 &&
+          info->src.x1 == dst_width &&
+          info->src.y1 == dst_height;
+}
+
+static void r600_color_resolve(struct pipe_context *ctx,
+                              const struct pipe_resolve_info *info)
+{
+       struct r600_context *rctx = (struct r600_context *)ctx;
+       struct pipe_screen *screen = ctx->screen;
+       struct pipe_resource *tmp, templ;
+       struct pipe_box box;
+
+       assert((info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA);
+
+       if (is_simple_resolve(info)) {
+               r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
+               util_blitter_custom_resolve_color(rctx->blitter,
+                                                 info->dst.res, info->dst.level, info->dst.layer,
+                                                 info->src.res, info->src.layer,
+                                                 rctx->custom_blend_resolve);
+               r600_blitter_end(ctx);
+               return;
+       }
+
+       /* resolve into a temporary texture, then blit */
+       templ.target = PIPE_TEXTURE_2D;
+       templ.format = info->src.res->format;
+       templ.width0 = info->src.res->width0;
+       templ.height0 = info->src.res->height0;
+       templ.depth0 = 1;
+       templ.array_size = 1;
+       templ.last_level = 0;
+       templ.nr_samples = 0;
+       templ.usage = PIPE_USAGE_STATIC;
+       templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+       templ.flags = 0;
+
+       tmp = screen->resource_create(screen, &templ);
+
+       /* XXX use scissor, so that only the needed part of the resource is resolved */
+       r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
+       util_blitter_custom_resolve_color(rctx->blitter,
+                                         tmp, 0, 0,
+                                         info->src.res, info->src.layer,
+                                         rctx->custom_blend_resolve);
+       r600_blitter_end(ctx);
+
+       /* this is correct for upside-down blits too */
+       u_box_2d(info->src.x0,
+                info->src.y0,
+                info->src.x1 - info->src.x0,
+                info->src.y1 - info->src.y0, &box);
+
+       r600_blitter_begin(ctx, R600_COPY_TEXTURE);
+       util_blitter_copy_texture(rctx->blitter, info->dst.res, info->dst.level,
+                                 ~0, info->dst.x0, info->dst.y0, info->dst.layer,
+                                 tmp, 0, 0, &box);
+       r600_blitter_end(ctx);
+
+       pipe_resource_reference(&tmp, NULL);
+}
 
-               r600_blit_uncompress_depth(&rctx->context, tex);
+static void r600_resource_resolve(struct pipe_context *ctx,
+                                 const struct pipe_resolve_info *info)
+{
+       /* make sure we're doing a resolve operation */
+       assert(info->src.res->nr_samples > 1);
+       assert(info->dst.res->nr_samples <= 1);
+
+       /* limitations of multisample resources */
+       assert(info->src.res->last_level == 0);
+       assert(info->src.res->target == PIPE_TEXTURE_2D ||
+              info->src.res->target == PIPE_TEXTURE_2D_ARRAY);
+
+       /* check if the resolve box is valid */
+       assert(info->dst.x0 < info->dst.x1);
+       assert(info->dst.y0 < info->dst.y1);
+
+       /* scaled resolve isn't allowed */
+       assert(abs(info->dst.x0 - info->dst.x1) ==
+              abs(info->src.x0 - info->src.x1));
+       assert(abs(info->dst.y0 - info->dst.y1) ==
+              abs(info->src.y0 - info->src.y1));
+
+       if ((info->mask & PIPE_MASK_ZS) ||
+           util_format_is_pure_integer(info->src.res->format)) {
+               r600_copy_first_sample(ctx, info);
+       } else {
+               r600_color_resolve(ctx, info);
        }
 }
 
@@ -240,23 +440,21 @@ static void r600_clear_depth_stencil(struct pipe_context *ctx,
        r600_blitter_end(ctx);
 }
 
-
-
-/* Copy a block of pixels from one surface to another using HW. */
-static void r600_hw_copy_region(struct pipe_context *ctx,
-                               struct pipe_resource *dst,
-                               unsigned dst_level,
-                               unsigned dstx, unsigned dsty, unsigned dstz,
-                               struct pipe_resource *src,
-                               unsigned src_level,
-                               const struct pipe_box *src_box)
+void r600_copy_buffer(struct pipe_context *ctx, struct
+                     pipe_resource *dst, unsigned dstx,
+                     struct pipe_resource *src, const struct pipe_box *src_box)
 {
-       struct r600_context *rctx = (struct r600_context *)ctx;
-
-       r600_blitter_begin(ctx, R600_COPY);
-       util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
-                                 src, src_level, src_box, TRUE);
-       r600_blitter_end(ctx);
+       struct r600_context *rctx = (struct r600_context*)ctx;
+
+       if (rctx->screen->has_streamout &&
+           /* Require dword alignment. */
+           dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) {
+               r600_blitter_begin(ctx, R600_COPY_BUFFER);
+               util_blitter_copy_buffer(rctx->blitter, dst, dstx, src, src_box->x, src_box->width);
+               r600_blitter_end(ctx);
+       } else {
+               util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box);
+       }
 }
 
 struct texture_orig_info {
@@ -273,8 +471,8 @@ static void r600_compressed_to_blittable(struct pipe_resource *tex,
                                   unsigned level,
                                   struct texture_orig_info *orig)
 {
-       struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
-       unsigned pixsize = util_format_get_blocksize(rtex->real_format);
+       struct r600_texture *rtex = (struct r600_texture*)tex;
+       unsigned pixsize = util_format_get_blocksize(rtex->resource.b.b.format);
        int new_format;
        int new_height, new_width;
 
@@ -303,11 +501,29 @@ static void r600_compressed_to_blittable(struct pipe_resource *tex,
        rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
 }
 
-static void r600_reset_blittable_to_compressed(struct pipe_resource *tex,
-                                              unsigned level,
-                                              struct texture_orig_info *orig)
+static void r600_change_format(struct pipe_resource *tex,
+                              unsigned level,
+                              struct texture_orig_info *orig,
+                              enum pipe_format format)
 {
-       struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
+       struct r600_texture *rtex = (struct r600_texture*)tex;
+
+       orig->format = tex->format;
+       orig->width0 = tex->width0;
+       orig->height0 = tex->height0;
+       orig->npix0_x = rtex->surface.level[0].npix_x;
+       orig->npix0_y = rtex->surface.level[0].npix_y;
+       orig->npix_x = rtex->surface.level[level].npix_x;
+       orig->npix_y = rtex->surface.level[level].npix_y;
+
+       tex->format = format;
+}
+
+static void r600_reset_blittable_to_orig(struct pipe_resource *tex,
+                                        unsigned level,
+                                        struct texture_orig_info *orig)
+{
+       struct r600_texture *rtex = (struct r600_texture*)tex;
 
        tex->format = orig->format;
        tex->width0 = orig->width0;
@@ -326,27 +542,40 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                                      unsigned src_level,
                                      const struct pipe_box *src_box)
 {
-       struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
+       struct r600_context *rctx = (struct r600_context *)ctx;
+       struct r600_texture *rsrc = (struct r600_texture*)src;
        struct texture_orig_info orig_info[2];
        struct pipe_box sbox;
-       const struct pipe_box *psbox;
+       const struct pipe_box *psbox = src_box;
        boolean restore_orig[2];
+       unsigned last_sample, i;
 
        memset(orig_info, 0, sizeof(orig_info));
 
-       /* Fallback for buffers. */
+       /* Handle buffers first. */
        if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
-               util_resource_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
-                                          src, src_level, src_box);
+               r600_copy_buffer(ctx, dst, dstx, src, src_box);
                return;
        }
 
-       if (rsrc->is_depth && !rsrc->is_flushing_texture)
-               r600_texture_depth_flush(ctx, src, FALSE);
+       assert(u_max_sample(dst) == u_max_sample(src));
+       last_sample = u_max_sample(dst);
+
+       /* This must be done before entering u_blitter to avoid recursion. */
+       if (rsrc->is_depth && !rsrc->is_flushing_texture) {
+               if (!r600_init_flushed_depth_texture(ctx, src, NULL))
+                       return; /* error */
+
+               r600_blit_uncompress_depth(ctx, rsrc, NULL,
+                                          src_level, src_level,
+                                          src_box->z, src_box->z + src_box->depth - 1,
+                                          0, u_max_sample(src));
+       }
 
        restore_orig[0] = restore_orig[1] = FALSE;
 
-       if (util_format_is_compressed(src->format)) {
+       if (util_format_is_compressed(src->format) &&
+           util_format_is_compressed(dst->format)) {
                r600_compressed_to_blittable(src, src_level, &orig_info[0]);
                restore_orig[0] = TRUE;
                sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
@@ -356,25 +585,50 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
                sbox.depth = src_box->depth;
                psbox=&sbox;
-       } else
-               psbox=src_box;
 
-       if (util_format_is_compressed(dst->format)) {
                r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
                restore_orig[1] = TRUE;
                /* translate the dst box as well */
                dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
                dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
+       } else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
+                                                  PIPE_MASK_RGBAZS)) {
+               unsigned blocksize = util_format_get_blocksize(src->format);
+
+               switch (blocksize) {
+               case 1:
+                       r600_change_format(src, src_level, &orig_info[0],
+                                          PIPE_FORMAT_R8_UNORM);
+                       r600_change_format(dst, dst_level, &orig_info[1],
+                                          PIPE_FORMAT_R8_UNORM);
+                       break;
+               case 4:
+                       r600_change_format(src, src_level, &orig_info[0],
+                                          PIPE_FORMAT_R8G8B8A8_UNORM);
+                       r600_change_format(dst, dst_level, &orig_info[1],
+                                          PIPE_FORMAT_R8G8B8A8_UNORM);
+                       break;
+               default:
+                       fprintf(stderr, "Unhandled format %s with blocksize %u\n",
+                               util_format_short_name(src->format), blocksize);
+                       assert(0);
+               }
+               restore_orig[0] = TRUE;
+               restore_orig[1] = TRUE;
        }
 
-       r600_hw_copy_region(ctx, dst, dst_level, dstx, dsty, dstz,
-                           src, src_level, psbox);
+       for (i = 0; i <= last_sample; i++) {
+               r600_blitter_begin(ctx, R600_COPY_TEXTURE);
+               util_blitter_copy_texture(rctx->blitter, dst, dst_level, 1 << i, dstx, dsty, dstz,
+                                         src, src_level, i, psbox);
+               r600_blitter_end(ctx);
+       }
 
        if (restore_orig[0])
-               r600_reset_blittable_to_compressed(src, src_level, &orig_info[0]);
+               r600_reset_blittable_to_orig(src, src_level, &orig_info[0]);
 
        if (restore_orig[1])
-               r600_reset_blittable_to_compressed(dst, dst_level, &orig_info[1]);
+               r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]);
 }
 
 void r600_init_blit_functions(struct r600_context *rctx)
@@ -383,20 +637,5 @@ void r600_init_blit_functions(struct r600_context *rctx)
        rctx->context.clear_render_target = r600_clear_render_target;
        rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
        rctx->context.resource_copy_region = r600_resource_copy_region;
-}
-
-void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture)
-{
-       struct pipe_box sbox;
-
-       sbox.x = sbox.y = sbox.z = 0;
-       sbox.width = texture->resource.b.b.b.width0;
-       sbox.height = texture->resource.b.b.b.height0;
-       /* XXX that might be wrong */
-       sbox.depth = 1;
-
-       r600_hw_copy_region(ctx, (struct pipe_resource *)texture, 0,
-                           0, 0, 0,
-                           (struct pipe_resource *)texture->flushed_depth_texture, 0,
-                           &sbox);
+       rctx->context.resource_resolve = r600_resource_resolve;
 }