gallium/u_blitter: use 2D_ARRAY for cubemap blits if possible
[mesa.git] / src / gallium / drivers / r600 / r600_blit.c
index 058bf819b8a54a896f50b91835caae506571b454..80aa9c057695cb4bcd6d55c7589f4e95cc0e051d 100644 (file)
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 #include "r600_pipe.h"
+#include "compute_memory_pool.h"
+#include "evergreen_compute.h"
 #include "util/u_surface.h"
-#include "util/u_blitter.h"
 #include "util/u_format.h"
+#include "evergreend.h"
 
 enum r600_blitter_op /* bitmask */
 {
@@ -41,30 +43,30 @@ enum r600_blitter_op /* bitmask */
        R600_COPY_TEXTURE  = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
                             R600_DISABLE_RENDER_COND,
 
-       R600_BLIT          = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
-                            R600_DISABLE_RENDER_COND,
+       R600_BLIT          = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES,
 
        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
+       R600_COLOR_RESOLVE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER
 };
 
 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
 
-       r600_suspend_nontimer_queries(rctx);
-
        util_blitter_save_vertex_buffer_slot(rctx->blitter, rctx->vertex_buffer_state.vb);
        util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_fetch_shader.cso);
        util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
-       util_blitter_save_so_targets(rctx->blitter, rctx->streamout.num_targets,
-                                    (struct pipe_stream_output_target**)rctx->streamout.targets);
+       util_blitter_save_geometry_shader(rctx->blitter, rctx->gs_shader);
+       util_blitter_save_tessctrl_shader(rctx->blitter, rctx->tcs_shader);
+       util_blitter_save_tesseval_shader(rctx->blitter, rctx->tes_shader);
+       util_blitter_save_so_targets(rctx->blitter, rctx->b.streamout.num_targets,
+                                    (struct pipe_stream_output_target**)rctx->b.streamout.targets);
        util_blitter_save_rasterizer(rctx->blitter, rctx->rasterizer_state.cso);
 
        if (op & R600_SAVE_FRAGMENT_STATE) {
-               util_blitter_save_viewport(rctx->blitter, &rctx->viewport.state);
-               util_blitter_save_scissor(rctx->blitter, &rctx->scissor.scissor);
+               util_blitter_save_viewport(rctx->blitter, &rctx->b.viewports.states[0]);
+               util_blitter_save_scissor(rctx->blitter, &rctx->b.scissors.states[0]);
                util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
                util_blitter_save_blend(rctx->blitter, rctx->blend_state.cso);
                util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->dsa_state.cso);
@@ -85,17 +87,15 @@ static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op
                        (struct pipe_sampler_view**)rctx->samplers[PIPE_SHADER_FRAGMENT].views.views);
        }
 
-       if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
-           util_blitter_save_render_condition(rctx->blitter,
-                                              rctx->current_render_cond,
-                                              rctx->current_render_cond_mode);
-        }
+       if (op & R600_DISABLE_RENDER_COND)
+               rctx->b.render_cond_force_off = true;
 }
 
 static void r600_blitter_end(struct pipe_context *ctx)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
-        r600_resume_nontimer_queries(rctx);
+
+       rctx->b.render_cond_force_off = false;
 }
 
 static unsigned u_max_sample(struct pipe_resource *r)
@@ -103,12 +103,12 @@ static unsigned u_max_sample(struct pipe_resource *r)
        return r->nr_samples ? r->nr_samples - 1 : 0;
 }
 
-void r600_blit_decompress_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)
+static void r600_blit_decompress_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;
@@ -126,13 +126,13 @@ void r600_blit_decompress_depth(struct pipe_context *ctx,
        /* XXX Decompressing MSAA depth textures is broken on R6xx.
         * There is also a hardlock if CMASK and FMASK are not present.
         * Just skip this until we find out how to fix it. */
-       if (rctx->chip_class == R600 && max_sample > 0) {
+       if (rctx->b.chip_class == R600 && max_sample > 0) {
                texture->dirty_level_mask = 0;
                return;
        }
 
-       if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
-           rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
+       if (rctx->b.family == CHIP_RV610 || rctx->b.family == CHIP_RV630 ||
+           rctx->b.family == CHIP_RV620 || rctx->b.family == CHIP_RV635)
                depth = 0.0f;
        else
                depth = 1.0f;
@@ -142,7 +142,7 @@ void r600_blit_decompress_depth(struct pipe_context *ctx,
        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;
-       rctx->db_misc_state.atom.dirty = true;
+       r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
 
        for (level = first_level; level <= last_level; level++) {
                if (!staging && !(texture->dirty_level_mask & (1 << level)))
@@ -159,7 +159,7 @@ void r600_blit_decompress_depth(struct pipe_context *ctx,
 
                                if (sample != rctx->db_misc_state.copy_sample) {
                                        rctx->db_misc_state.copy_sample = sample;
-                                       rctx->db_misc_state.atom.dirty = true;
+                                       r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
                                }
 
                                surf_tmpl.format = texture->resource.b.b.format;
@@ -170,9 +170,6 @@ void r600_blit_decompress_depth(struct pipe_context *ctx,
                                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;
                                cbsurf = ctx->create_surface(ctx,
                                                &flushed_depth_texture->resource.b.b, &surf_tmpl);
 
@@ -197,25 +194,33 @@ void r600_blit_decompress_depth(struct pipe_context *ctx,
 
        /* reenable compression in DB_RENDER_CONTROL */
        rctx->db_misc_state.flush_depthstencil_through_cb = false;
-       rctx->db_misc_state.atom.dirty = true;
+       r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
 }
 
 static void r600_blit_decompress_depth_in_place(struct r600_context *rctx,
                                                 struct r600_texture *texture,
+                                               bool is_stencil_sampler,
                                                 unsigned first_level, unsigned last_level,
                                                 unsigned first_layer, unsigned last_layer)
 {
        struct pipe_surface *zsurf, surf_tmpl = {{0}};
        unsigned layer, max_layer, checked_last_layer, level;
+       unsigned *dirty_level_mask;
 
        /* Enable decompression in DB_RENDER_CONTROL */
-       rctx->db_misc_state.flush_depthstencil_in_place = true;
-       rctx->db_misc_state.atom.dirty = true;
+       if (is_stencil_sampler) {
+               rctx->db_misc_state.flush_stencil_inplace = true;
+               dirty_level_mask = &texture->stencil_dirty_level_mask;
+       } else {
+               rctx->db_misc_state.flush_depth_inplace = true;
+               dirty_level_mask = &texture->dirty_level_mask;
+       }
+       r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
 
        surf_tmpl.format = texture->resource.b.b.format;
 
        for (level = first_level; level <= last_level; level++) {
-               if (!(texture->dirty_level_mask & (1 << level)))
+               if (!(*dirty_level_mask & (1 << level)))
                        continue;
 
                surf_tmpl.u.tex.level = level;
@@ -229,12 +234,12 @@ static void r600_blit_decompress_depth_in_place(struct r600_context *rctx,
                        surf_tmpl.u.tex.first_layer = layer;
                        surf_tmpl.u.tex.last_layer = layer;
 
-                       zsurf = rctx->context.create_surface(&rctx->context, &texture->resource.b.b, &surf_tmpl);
+                       zsurf = rctx->b.b.create_surface(&rctx->b.b, &texture->resource.b.b, &surf_tmpl);
 
-                       r600_blitter_begin(&rctx->context, R600_DECOMPRESS);
+                       r600_blitter_begin(&rctx->b.b, R600_DECOMPRESS);
                        util_blitter_custom_depth_stencil(rctx->blitter, zsurf, NULL, ~0,
                                                          rctx->custom_dsa_flush, 1.0f);
-                       r600_blitter_end(&rctx->context);
+                       r600_blitter_end(&rctx->b.b);
 
                        pipe_surface_reference(&zsurf, NULL);
                }
@@ -242,13 +247,14 @@ static void r600_blit_decompress_depth_in_place(struct r600_context *rctx,
                /* The texture will always be dirty if some layers or samples aren't flushed.
                 * I don't think this case occurs often though. */
                if (first_layer == 0 && last_layer == max_layer) {
-                       texture->dirty_level_mask &= ~(1 << level);
+                       *dirty_level_mask &= ~(1 << level);
                }
        }
 
        /* Disable decompression in DB_RENDER_CONTROL */
-       rctx->db_misc_state.flush_depthstencil_in_place = false;
-       rctx->db_misc_state.atom.dirty = true;
+       rctx->db_misc_state.flush_depth_inplace = false;
+       rctx->db_misc_state.flush_stencil_inplace = false;
+       r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
 }
 
 void r600_decompress_depth_textures(struct r600_context *rctx,
@@ -259,23 +265,25 @@ void r600_decompress_depth_textures(struct r600_context *rctx,
 
        while (depth_texture_mask) {
                struct pipe_sampler_view *view;
+               struct r600_pipe_sampler_view *rview;
                struct r600_texture *tex;
 
                i = u_bit_scan(&depth_texture_mask);
 
                view = &textures->views[i]->base;
                assert(view);
+               rview = (struct r600_pipe_sampler_view*)view;
 
                tex = (struct r600_texture *)view->texture;
-               assert(tex->is_depth && !tex->is_flushing_texture);
+               assert(tex->db_compatible);
 
-               if (rctx->chip_class >= EVERGREEN ||
-                   r600_can_read_depth(tex)) {
+               if (r600_can_sample_zs(tex, rview->is_stencil_sampler)) {
                        r600_blit_decompress_depth_in_place(rctx, tex,
+                                                  rview->is_stencil_sampler,
                                                   view->u.tex.first_level, view->u.tex.last_level,
                                                   0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
                } else {
-                       r600_blit_decompress_depth(&rctx->context, tex, NULL,
+                       r600_blit_decompress_depth(&rctx->b.b, tex, NULL,
                                                   view->u.tex.first_level, view->u.tex.last_level,
                                                   0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level),
                                                   0, u_max_sample(&tex->resource.b.b));
@@ -313,7 +321,8 @@ static void r600_blit_decompress_color(struct pipe_context *ctx,
                        cbsurf = ctx->create_surface(ctx, &rtex->resource.b.b, &surf_tmpl);
 
                        r600_blitter_begin(ctx, R600_DECOMPRESS);
-                       util_blitter_custom_color(rctx->blitter, cbsurf, rctx->custom_blend_decompress);
+                       util_blitter_custom_color(rctx->blitter, cbsurf,
+                               rtex->fmask.size ? rctx->custom_blend_decompress : rctx->custom_blend_fastclear);
                        r600_blitter_end(ctx);
 
                        pipe_surface_reference(&cbsurf, NULL);
@@ -343,9 +352,9 @@ void r600_decompress_color_textures(struct r600_context *rctx,
                assert(view);
 
                tex = (struct r600_texture *)view->texture;
-               assert(tex->cmask_size && tex->fmask_size);
+               assert(tex->cmask.size);
 
-               r600_blit_decompress_color(&rctx->context, tex,
+               r600_blit_decompress_color(&rctx->b.b, tex,
                                           view->u.tex.first_level, view->u.tex.last_level,
                                           0, util_max_layer(&tex->resource.b.b, view->u.tex.first_level));
        }
@@ -363,12 +372,16 @@ static bool r600_decompress_subresource(struct pipe_context *ctx,
        struct r600_context *rctx = (struct r600_context *)ctx;
        struct r600_texture *rtex = (struct r600_texture*)tex;
 
-       if (rtex->is_depth && !rtex->is_flushing_texture) {
-               if (rctx->chip_class >= EVERGREEN ||
-                   r600_can_read_depth(rtex)) {
-                       r600_blit_decompress_depth_in_place(rctx, rtex,
+       if (rtex->db_compatible) {
+               if (r600_can_sample_zs(rtex, false)) {
+                       r600_blit_decompress_depth_in_place(rctx, rtex, false,
                                                   level, level,
                                                   first_layer, last_layer);
+                       if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
+                               r600_blit_decompress_depth_in_place(rctx, rtex, true,
+                                                          level, level,
+                                                          first_layer, last_layer);
+                       }
                } else {
                        if (!r600_init_flushed_depth_texture(ctx, tex, NULL))
                                return false; /* error */
@@ -378,40 +391,13 @@ static bool r600_decompress_subresource(struct pipe_context *ctx,
                                                   first_layer, last_layer,
                                                   0, u_max_sample(tex));
                }
-       } else if (rtex->fmask_size && rtex->cmask_size) {
+       } else if (rtex->cmask.size) {
                r600_blit_decompress_color(ctx, rtex, level, level,
                                           first_layer, last_layer);
        }
        return true;
 }
 
-static boolean is_simple_msaa_resolve(const struct pipe_blit_info *info)
-{
-       unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level);
-       unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level);
-       struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
-       unsigned dst_tile_mode = dst->surface.level[info->dst.level].mode;
-
-       return info->dst.resource->format == info->src.resource->format &&
-               info->dst.resource->format == info->dst.format &&
-               info->src.resource->format == info->src.format &&
-               !info->scissor_enable &&
-               info->mask == PIPE_MASK_RGBA &&
-               dst_width == info->src.resource->width0 &&
-               dst_height == info->src.resource->height0 &&
-               info->dst.box.x == 0 &&
-               info->dst.box.y == 0 &&
-               info->dst.box.width == dst_width &&
-               info->dst.box.height == dst_height &&
-               info->src.box.x == 0 &&
-               info->src.box.y == 0 &&
-               info->src.box.width == dst_width &&
-               info->src.box.height == dst_height &&
-               /* Dst must be tiled. If it's not, we have to use a temporary
-                * resource which is tiled. */
-               dst_tile_mode >= RADEON_SURF_MODE_1D;
-}
-
 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
                       const union pipe_color_union *color,
                       double depth, unsigned stencil)
@@ -419,6 +405,33 @@ static void r600_clear(struct pipe_context *ctx, unsigned buffers,
        struct r600_context *rctx = (struct r600_context *)ctx;
        struct pipe_framebuffer_state *fb = &rctx->framebuffer.state;
 
+       if (buffers & PIPE_CLEAR_COLOR && rctx->b.chip_class >= EVERGREEN) {
+               evergreen_do_fast_color_clear(&rctx->b, fb, &rctx->framebuffer.atom,
+                                             &buffers, NULL, color);
+               if (!buffers)
+                       return; /* all buffers have been fast cleared */
+       }
+
+       if (buffers & PIPE_CLEAR_COLOR) {
+               int i;
+
+               /* These buffers cannot use fast clear, make sure to disable expansion. */
+               for (i = 0; i < fb->nr_cbufs; i++) {
+                       struct r600_texture *tex;
+
+                       /* If not clearing this buffer, skip. */
+                       if (!(buffers & (PIPE_CLEAR_COLOR0 << i)))
+                               continue;
+
+                       if (!fb->cbufs[i])
+                               continue;
+
+                       tex = (struct r600_texture *)fb->cbufs[i]->texture;
+                       if (tex->fmask.size == 0)
+                               tex->dirty_level_mask &= ~(1 << fb->cbufs[i]->u.tex.level);
+               }
+       }
+
        /* if hyperz enabled just clear hyperz */
        if (fb->zsbuf && (buffers & PIPE_CLEAR_DEPTH)) {
                struct r600_texture *rtex;
@@ -431,26 +444,28 @@ static void r600_clear(struct pipe_context *ctx, unsigned buffers,
                 * disable fast clear for texture array.
                 */
                /* Only use htile for first level */
-               if (rtex->htile && !level && rtex->surface.array_size == 1) {
-                       if (rtex->depth_clear != depth) {
-                               rtex->depth_clear = depth;
-                               rctx->db_state.atom.dirty = true;
+               if (rtex->htile_buffer && !level &&
+                   fb->zsbuf->u.tex.first_layer == 0 &&
+                   fb->zsbuf->u.tex.last_layer == util_max_layer(&rtex->resource.b.b, level)) {
+                       if (rtex->depth_clear_value != depth) {
+                               rtex->depth_clear_value = depth;
+                               r600_mark_atom_dirty(rctx, &rctx->db_state.atom);
                        }
                        rctx->db_misc_state.htile_clear = true;
-                       rctx->db_misc_state.atom.dirty = true;
+                       r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
                }
        }
 
        r600_blitter_begin(ctx, R600_CLEAR);
        util_blitter_clear(rctx->blitter, fb->width, fb->height,
-                          fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
-                          color, depth, stencil);
+                          util_framebuffer_get_num_layers(fb),
+                          buffers, color, depth, stencil);
        r600_blitter_end(ctx);
 
        /* disable fast clear */
        if (rctx->db_misc_state.htile_clear) {
                rctx->db_misc_state.htile_clear = false;
-               rctx->db_misc_state.atom.dirty = true;
+               r600_mark_atom_dirty(rctx, &rctx->db_misc_state.atom);
        }
 }
 
@@ -458,11 +473,13 @@ static void r600_clear_render_target(struct pipe_context *ctx,
                                     struct pipe_surface *dst,
                                     const union pipe_color_union *color,
                                     unsigned dstx, unsigned dsty,
-                                    unsigned width, unsigned height)
+                                    unsigned width, unsigned height,
+                                    bool render_condition_enabled)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
 
-       r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
+       r600_blitter_begin(ctx, R600_CLEAR_SURFACE |
+                          (render_condition_enabled ? 0 : R600_DISABLE_RENDER_COND));
        util_blitter_clear_render_target(rctx->blitter, dst, color,
                                         dstx, dsty, width, height);
        r600_blitter_end(ctx);
@@ -474,27 +491,30 @@ static void r600_clear_depth_stencil(struct pipe_context *ctx,
                                     double depth,
                                     unsigned stencil,
                                     unsigned dstx, unsigned dsty,
-                                    unsigned width, unsigned height)
+                                    unsigned width, unsigned height,
+                                    bool render_condition_enabled)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
 
-       r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
+       r600_blitter_begin(ctx, R600_CLEAR_SURFACE |
+                          (render_condition_enabled ? 0 : R600_DISABLE_RENDER_COND));
        util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
                                         dstx, dsty, width, height);
        r600_blitter_end(ctx);
 }
 
-void r600_copy_buffer(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dstx,
-                     struct pipe_resource *src, const struct pipe_box *src_box)
+static 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;
 
-       if (rctx->screen->has_cp_dma) {
+       if (rctx->screen->b.has_cp_dma) {
                r600_cp_dma_copy_buffer(rctx, dst, dstx, src, src_box->x, src_box->width);
        }
-       else if (rctx->screen->has_streamout &&
+       else if (rctx->screen->b.has_streamout &&
                 /* Require 4-byte 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);
@@ -503,70 +523,110 @@ void r600_copy_buffer(struct pipe_context *ctx, struct pipe_resource *dst, unsig
        }
 }
 
+/**
+ * Global buffers are not really resources, they are are actually offsets
+ * into a single global resource (r600_screen::global_pool).  The means
+ * they don't have their own buf handle, so they cannot be passed
+ * to r600_copy_buffer() and must be handled separately.
+ */
+static void r600_copy_global_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;
+       struct compute_memory_pool *pool = rctx->screen->global_pool;
+       struct pipe_box new_src_box = *src_box;
+
+       if (src->bind & PIPE_BIND_GLOBAL) {
+               struct r600_resource_global *rsrc =
+                       (struct r600_resource_global *)src;
+               struct compute_memory_item *item = rsrc->chunk;
+
+               if (is_item_in_pool(item)) {
+                       new_src_box.x += 4 * item->start_in_dw;
+                       src = (struct pipe_resource *)pool->bo;
+               } else {
+                       if (item->real_buffer == NULL) {
+                               item->real_buffer =
+                                       r600_compute_buffer_alloc_vram(pool->screen,
+                                                                      item->size_in_dw * 4);
+                       }
+                       src = (struct pipe_resource*)item->real_buffer;
+               }
+       }
+       if (dst->bind & PIPE_BIND_GLOBAL) {
+               struct r600_resource_global *rdst =
+                       (struct r600_resource_global *)dst;
+               struct compute_memory_item *item = rdst->chunk;
+
+               if (is_item_in_pool(item)) {
+                       dstx += 4 * item->start_in_dw;
+                       dst = (struct pipe_resource *)pool->bo;
+               } else {
+                       if (item->real_buffer == NULL) {
+                               item->real_buffer =
+                                       r600_compute_buffer_alloc_vram(pool->screen,
+                                                                      item->size_in_dw * 4);
+                       }
+                       dst = (struct pipe_resource*)item->real_buffer;
+               }
+       }
+
+       r600_copy_buffer(ctx, dst, dstx, src, &new_src_box);
+}
+
 static void r600_clear_buffer(struct pipe_context *ctx, struct pipe_resource *dst,
-                             unsigned offset, unsigned size, unsigned char value)
+                             uint64_t offset, uint64_t size, unsigned value,
+                             enum r600_coherency coher)
 {
        struct r600_context *rctx = (struct r600_context*)ctx;
-       uint32_t v = value;
 
-       if (rctx->screen->has_cp_dma &&
-           rctx->chip_class >= EVERGREEN &&
+       if (rctx->screen->b.has_cp_dma &&
+           rctx->b.chip_class >= EVERGREEN &&
            offset % 4 == 0 && size % 4 == 0) {
-               uint32_t clear_value = v | (v << 8) | (v << 16) | (v << 24);
-
-               evergreen_cp_dma_clear_buffer(rctx, dst, offset, size, clear_value);
-       } else if (rctx->screen->has_streamout && offset % 4 == 0 && size % 4 == 0) {
+               evergreen_cp_dma_clear_buffer(rctx, dst, offset, size, value, coher);
+       } else if (rctx->screen->b.has_streamout && offset % 4 == 0 && size % 4 == 0) {
                union pipe_color_union clear_value;
-
-               clear_value.ui[0] = v | (v << 8) | (v << 16) | (v << 24);
+               clear_value.ui[0] = value;
 
                r600_blitter_begin(ctx, R600_DISABLE_RENDER_COND);
                util_blitter_clear_buffer(rctx->blitter, dst, offset, size,
                                          1, &clear_value);
                r600_blitter_end(ctx);
        } else {
-               char *map = r600_buffer_mmap_sync_with_rings(rctx, r600_resource(dst),
-                                                            PIPE_TRANSFER_WRITE);
-               memset(map + offset, value, size);
+               uint32_t *map = r600_buffer_map_sync_with_rings(&rctx->b, r600_resource(dst),
+                                                                PIPE_TRANSFER_WRITE);
+               map += offset / 4;
+               size /= 4;
+               for (unsigned i = 0; i < size; i++)
+                       *map++ = value;
        }
 }
 
-void r600_screen_clear_buffer(struct r600_screen *rscreen, struct pipe_resource *dst,
-                             unsigned offset, unsigned size, unsigned char value)
-{
-       pipe_mutex_lock(rscreen->aux_context_lock);
-       r600_clear_buffer(rscreen->aux_context, dst, offset, size, value);
-       rscreen->aux_context->flush(rscreen->aux_context, NULL, 0);
-       pipe_mutex_unlock(rscreen->aux_context_lock);
-}
-
-static bool util_format_is_subsampled_2x1_32bpp(enum pipe_format format)
-{
-       const struct util_format_description *desc = util_format_description(format);
-
-       return desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED &&
-              desc->block.width == 2 &&
-              desc->block.height == 1 &&
-              desc->block.bits == 32;
-}
-
-static void r600_resource_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_resource_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)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
        struct pipe_surface *dst_view, dst_templ;
        struct pipe_sampler_view src_templ, *src_view;
        unsigned dst_width, dst_height, src_width0, src_height0, src_widthFL, src_heightFL;
+       unsigned src_force_level = 0;
        struct pipe_box sbox, dstbox;
 
        /* Handle buffers first. */
        if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
-               r600_copy_buffer(ctx, dst, dstx, src, src_box);
+               if ((src->bind & PIPE_BIND_GLOBAL) ||
+                                       (dst->bind & PIPE_BIND_GLOBAL)) {
+                       r600_copy_global_buffer(ctx, dst, dstx, src, src_box);
+               } else {
+                       r600_copy_buffer(ctx, dst, dstx, src, src_box);
+               }
                return;
        }
 
@@ -587,9 +647,10 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
         src_heightFL = u_minify(src->height0, src_level);
 
        util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz);
-       util_blitter_default_src_texture(&src_templ, src, src_level);
+       util_blitter_default_src_texture(rctx->blitter, &src_templ, src, src_level);
 
-       if (util_format_is_compressed(src->format)) {
+       if (util_format_is_compressed(src->format) ||
+           util_format_is_compressed(dst->format)) {
                unsigned blocksize = util_format_get_blocksize(src->format);
 
                if (blocksize == 8)
@@ -615,9 +676,10 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                sbox.height = util_format_get_nblocksy(src->format, src_box->height);
                sbox.depth = src_box->depth;
                src_box = &sbox;
-       } else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
-                                                  PIPE_MASK_RGBAZS)) {
-               if (util_format_is_subsampled_2x1_32bpp(src->format)) {
+
+               src_force_level = src_level;
+       } else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src)) {
+               if (util_format_is_subsampled_422(src->format)) {
 
                        src_templ.format = PIPE_FORMAT_R8G8B8A8_UINT;
                        dst_templ.format = PIPE_FORMAT_R8G8B8A8_UINT;
@@ -640,7 +702,7 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                                dst_templ.format = PIPE_FORMAT_R8_UNORM;
                                src_templ.format = PIPE_FORMAT_R8_UNORM;
                                break;
-                        case 2:
+                       case 2:
                                dst_templ.format = PIPE_FORMAT_R8G8_UNORM;
                                src_templ.format = PIPE_FORMAT_R8G8_UNORM;
                                break;
@@ -648,14 +710,14 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                                dst_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
                                src_templ.format = PIPE_FORMAT_R8G8B8A8_UNORM;
                                break;
-                        case 8:
-                                dst_templ.format = PIPE_FORMAT_R16G16B16A16_UINT;
-                                src_templ.format = PIPE_FORMAT_R16G16B16A16_UINT;
-                                break;
-                        case 16:
-                                dst_templ.format = PIPE_FORMAT_R32G32B32A32_UINT;
-                                src_templ.format = PIPE_FORMAT_R32G32B32A32_UINT;
-                                break;
+                       case 8:
+                               dst_templ.format = PIPE_FORMAT_R16G16B16A16_UINT;
+                               src_templ.format = PIPE_FORMAT_R16G16B16A16_UINT;
+                               break;
+                       case 16:
+                               dst_templ.format = PIPE_FORMAT_R32G32B32A32_UINT;
+                               src_templ.format = PIPE_FORMAT_R32G32B32A32_UINT;
+                               break;
                        default:
                                fprintf(stderr, "Unhandled format %s with blocksize %u\n",
                                        util_format_short_name(src->format), blocksize);
@@ -664,11 +726,15 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                }
        }
 
-       dst_view = r600_create_surface_custom(ctx, dst, &dst_templ, dst_width, dst_height);
+       dst_view = r600_create_surface_custom(ctx, dst, &dst_templ,
+                                             /* we don't care about these two for r600g */
+                                             dst->width0, dst->height0,
+                                             dst_width, dst_height);
 
-       if (rctx->chip_class >= EVERGREEN) {
+       if (rctx->b.chip_class >= EVERGREEN) {
                src_view = evergreen_create_sampler_view_custom(ctx, src, &src_templ,
-                                                               src_width0, src_height0);
+                                                               src_width0, src_height0,
+                                                               src_force_level);
        } else {
                src_view = r600_create_sampler_view_custom(ctx, src, &src_templ,
                                                           src_widthFL, src_heightFL);
@@ -682,98 +748,91 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
        util_blitter_blit_generic(rctx->blitter, dst_view, &dstbox,
                                  src_view, src_box, src_width0, src_height0,
                                  PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL,
-                                 TRUE);
+                                 FALSE);
        r600_blitter_end(ctx);
 
        pipe_surface_reference(&dst_view, NULL);
        pipe_sampler_view_reference(&src_view, NULL);
 }
 
-/* For MSAA integer resolving to work, we change the format to NORM using this function. */
-static enum pipe_format int_to_norm_format(enum pipe_format format)
+static bool do_hardware_msaa_resolve(struct pipe_context *ctx,
+                                    const struct pipe_blit_info *info)
 {
-       switch (format) {
-#define REPLACE_FORMAT_SIGN(format,sign) \
-       case PIPE_FORMAT_##format##_##sign##INT: \
-               return PIPE_FORMAT_##format##_##sign##NORM
-#define REPLACE_FORMAT(format) \
-               REPLACE_FORMAT_SIGN(format, U); \
-               REPLACE_FORMAT_SIGN(format, S)
-
-       REPLACE_FORMAT_SIGN(B10G10R10A2, U);
-       REPLACE_FORMAT(R8);
-       REPLACE_FORMAT(R8G8);
-       REPLACE_FORMAT(R8G8B8);
-       REPLACE_FORMAT(R8G8B8A8);
-       REPLACE_FORMAT(A8);
-       REPLACE_FORMAT(I8);
-       REPLACE_FORMAT(L8);
-       REPLACE_FORMAT(L8A8);
-       REPLACE_FORMAT(R16);
-       REPLACE_FORMAT(R16G16);
-       REPLACE_FORMAT(R16G16B16);
-       REPLACE_FORMAT(R16G16B16A16);
-       REPLACE_FORMAT(A16);
-       REPLACE_FORMAT(I16);
-       REPLACE_FORMAT(L16);
-       REPLACE_FORMAT(L16A16);
-
-#undef REPLACE_FORMAT
-#undef REPLACE_FORMAT_SIGN
-       default:
-               return format;
-       }
-}
-
-static void r600_msaa_color_resolve(struct pipe_context *ctx,
-                             const struct pipe_blit_info *info)
-{
-       struct r600_context *rctx = (struct r600_context *)ctx;
-       struct pipe_screen *screen = ctx->screen;
-       struct pipe_resource *tmp, templ;
-       struct pipe_blit_info blit;
+       struct r600_context *rctx = (struct r600_context*)ctx;
+       struct r600_texture *dst = (struct r600_texture*)info->dst.resource;
+       unsigned dst_width = u_minify(info->dst.resource->width0, info->dst.level);
+       unsigned dst_height = u_minify(info->dst.resource->height0, info->dst.level);
+       enum pipe_format format = info->src.format;
        unsigned sample_mask =
-               rctx->chip_class == CAYMAN ? ~0 :
+               rctx->b.chip_class == CAYMAN ? ~0 :
                ((1ull << MAX2(1, info->src.resource->nr_samples)) - 1);
+       struct pipe_resource *tmp, templ;
+       struct pipe_blit_info blit;
 
-       assert(info->src.level == 0);
-       assert(info->src.box.depth == 1);
-       assert(info->dst.box.depth == 1);
-
-       if (is_simple_msaa_resolve(info)) {
-               r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
+       /* Check basic requirements for hw resolve. */
+       if (!(info->src.resource->nr_samples > 1 &&
+             info->dst.resource->nr_samples <= 1 &&
+             !util_format_is_pure_integer(format) &&
+             !util_format_is_depth_or_stencil(format) &&
+             util_max_layer(info->src.resource, 0) == 0))
+               return false;
+
+       /* Check the remaining requirements for hw resolve. */
+       if (util_max_layer(info->dst.resource, info->dst.level) == 0 &&
+           util_is_format_compatible(util_format_description(info->src.format),
+                                     util_format_description(info->dst.format)) &&
+           !info->scissor_enable &&
+           (info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA &&
+           dst_width == info->src.resource->width0 &&
+           dst_height == info->src.resource->height0 &&
+           info->dst.box.x == 0 &&
+           info->dst.box.y == 0 &&
+           info->dst.box.width == dst_width &&
+           info->dst.box.height == dst_height &&
+           info->dst.box.depth == 1 &&
+           info->src.box.x == 0 &&
+           info->src.box.y == 0 &&
+           info->src.box.width == dst_width &&
+           info->src.box.height == dst_height &&
+           info->src.box.depth == 1 &&
+           dst->surface.u.legacy.level[info->dst.level].mode >= RADEON_SURF_MODE_1D &&
+           (!dst->cmask.size || !dst->dirty_level_mask) /* dst cannot be fast-cleared */) {
+               r600_blitter_begin(ctx, R600_COLOR_RESOLVE |
+                                  (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
                util_blitter_custom_resolve_color(rctx->blitter,
                                                  info->dst.resource, info->dst.level,
                                                  info->dst.box.z,
                                                  info->src.resource, info->src.box.z,
                                                  sample_mask, rctx->custom_blend_resolve,
-                                                  int_to_norm_format(info->dst.format));
+                                                 format);
                r600_blitter_end(ctx);
-               return;
+               return true;
        }
 
-       /* resolve into a temporary texture, then blit */
+       /* Shader-based resolve is VERY SLOW. Instead, resolve into
+        * a temporary texture and blit.
+        */
+       memset(&templ, 0, sizeof(templ));
        templ.target = PIPE_TEXTURE_2D;
        templ.format = info->src.resource->format;
        templ.width0 = info->src.resource->width0;
        templ.height0 = info->src.resource->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 = R600_RESOURCE_FLAG_FORCE_TILING; /* dst must not have a linear layout */
+       templ.usage = PIPE_USAGE_DEFAULT;
+       templ.flags = R600_RESOURCE_FLAG_FORCE_TILING;
 
-       tmp = screen->resource_create(screen, &templ);
+       tmp = ctx->screen->resource_create(ctx->screen, &templ);
+       if (!tmp)
+               return false;
 
        /* resolve */
-       r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
-       util_blitter_custom_resolve_color(rctx->blitter,
-                                         tmp, 0, 0,
+       r600_blitter_begin(ctx, R600_COLOR_RESOLVE |
+                          (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
+       util_blitter_custom_resolve_color(rctx->blitter, tmp, 0, 0,
                                          info->src.resource, info->src.box.z,
                                          sample_mask, rctx->custom_blend_resolve,
-                                          int_to_norm_format(tmp->format));
+                                         format);
        r600_blitter_end(ctx);
 
        /* blit */
@@ -781,28 +840,45 @@ static void r600_msaa_color_resolve(struct pipe_context *ctx,
        blit.src.resource = tmp;
        blit.src.box.z = 0;
 
-       r600_blitter_begin(ctx, R600_BLIT);
+       r600_blitter_begin(ctx, R600_BLIT |
+                          (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
        util_blitter_blit(rctx->blitter, &blit);
        r600_blitter_end(ctx);
 
        pipe_resource_reference(&tmp, NULL);
+       return true;
 }
 
 static void r600_blit(struct pipe_context *ctx,
                       const struct pipe_blit_info *info)
 {
        struct r600_context *rctx = (struct r600_context*)ctx;
+       struct r600_texture *rdst = (struct r600_texture *)info->dst.resource;
 
-       assert(util_blitter_is_blit_supported(rctx->blitter, info));
+       if (do_hardware_msaa_resolve(ctx, info)) {
+               return;
+       }
 
-       if (info->src.resource->nr_samples > 1 &&
-           info->dst.resource->nr_samples <= 1 &&
-           !util_format_is_depth_or_stencil(info->src.resource->format) &&
-           !util_format_is_pure_integer(int_to_norm_format(info->src.resource->format))) {
-               r600_msaa_color_resolve(ctx, info);
+       /* Using SDMA for copying to a linear texture in GTT is much faster.
+        * This improves DRI PRIME performance.
+        *
+        * resource_copy_region can't do this yet, because dma_copy calls it
+        * on failure (recursion).
+        */
+       if (rdst->surface.u.legacy.level[info->dst.level].mode ==
+           RADEON_SURF_MODE_LINEAR_ALIGNED &&
+           rctx->b.dma_copy &&
+           util_can_blit_via_copy_region(info, false)) {
+               rctx->b.dma_copy(ctx, info->dst.resource, info->dst.level,
+                                info->dst.box.x, info->dst.box.y,
+                                info->dst.box.z,
+                                info->src.resource, info->src.level,
+                                &info->src.box);
                return;
        }
 
+       assert(util_blitter_is_blit_supported(rctx->blitter, info));
+
        /* The driver doesn't decompress resources automatically while
         * u_blitter is rendering. */
        if (!r600_decompress_subresource(ctx, info->src.resource, info->src.level,
@@ -811,16 +887,37 @@ static void r600_blit(struct pipe_context *ctx,
                return; /* error */
        }
 
-       r600_blitter_begin(ctx, R600_BLIT);
+       if (rctx->screen->b.debug_flags & DBG_FORCE_DMA &&
+           util_try_blit_via_copy_region(ctx, info))
+               return;
+
+       r600_blitter_begin(ctx, R600_BLIT |
+                          (info->render_condition_enable ? 0 : R600_DISABLE_RENDER_COND));
        util_blitter_blit(rctx->blitter, info);
        r600_blitter_end(ctx);
 }
 
+static void r600_flush_resource(struct pipe_context *ctx,
+                               struct pipe_resource *res)
+{
+       struct r600_texture *rtex = (struct r600_texture*)res;
+
+       assert(res->target != PIPE_BUFFER);
+
+       if (!rtex->is_depth && rtex->cmask.size) {
+               r600_blit_decompress_color(ctx, rtex, 0, res->last_level,
+                                          0, util_max_layer(res, 0));
+       }
+}
+
 void r600_init_blit_functions(struct r600_context *rctx)
 {
-       rctx->context.clear = r600_clear;
-       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;
-       rctx->context.blit = r600_blit;
+       rctx->b.b.clear = r600_clear;
+       rctx->b.b.clear_render_target = r600_clear_render_target;
+       rctx->b.b.clear_depth_stencil = r600_clear_depth_stencil;
+       rctx->b.b.resource_copy_region = r600_resource_copy_region;
+       rctx->b.b.blit = r600_blit;
+       rctx->b.b.flush_resource = r600_flush_resource;
+       rctx->b.clear_buffer = r600_clear_buffer;
+       rctx->b.blit_decompress_depth = r600_blit_decompress_depth;
 }