r600g: make F2U trans-only on r600-r700
[mesa.git] / src / gallium / drivers / r600 / r600_blit.c
index 3121bb197ad354537dc904c8269ab65f43a8028f..a577d3a949441f302f203bf925b95bffdebcccab 100644 (file)
@@ -42,6 +42,8 @@ enum r600_blitter_op /* bitmask */
                             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)
@@ -69,6 +71,7 @@ static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op
                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)
@@ -119,19 +122,25 @@ static unsigned u_max_layer(struct pipe_resource *r, unsigned level)
        }
 }
 
+static unsigned u_max_sample(struct pipe_resource *r)
+{
+       return r->nr_samples ? r->nr_samples - 1 : 0;
+}
+
 void r600_blit_uncompress_depth(struct pipe_context *ctx,
-               struct r600_resource_texture *texture,
-               struct r600_resource_texture *staging,
+               struct r600_texture *texture,
+               struct r600_texture *staging,
                unsigned first_level, unsigned last_level,
-               unsigned first_layer, unsigned last_layer)
+               unsigned first_layer, unsigned last_layer,
+               unsigned first_sample, unsigned last_sample)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
-       unsigned layer, level, checked_last_layer, max_layer;
-       float depth = 1.0f;
-       struct r600_resource_texture *flushed_depth_texture = staging ?
+       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;
@@ -139,13 +148,18 @@ void r600_blit_uncompress_depth(struct pipe_context *ctx,
        if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
            rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
                depth = 0.0f;
+       else
+               depth = 1.0f;
 
        /* 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);
 
+       max_sample = u_max_sample(&texture->resource.b.b);
+
        for (level = first_level; level <= last_level; level++) {
                if (!staging && !(texture->dirty_db_mask & (1 << level)))
                        continue;
@@ -156,32 +170,45 @@ void r600_blit_uncompress_depth(struct pipe_context *ctx,
                checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
 
                for (layer = first_layer; layer <= checked_last_layer; 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;
-
-                       zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
-
-                       surf_tmpl.format = flushed_depth_texture->real_format;
-                       surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
-                       cbsurf = ctx->create_surface(ctx,
-                                       (struct pipe_resource*)flushed_depth_texture, &surf_tmpl);
-
-                       r600_blitter_begin(ctx, R600_DECOMPRESS);
-                       util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, rctx->custom_dsa_flush, depth);
-                       r600_blitter_end(ctx);
-
-                       pipe_surface_reference(&zsurf, NULL);
-                       pipe_surface_reference(&cbsurf, NULL);
+                       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);
+                       }
                }
 
-               /* The texture will always be dirty if some layers aren't flushed.
-                * I don't think this case can occur though. */
-               if (!staging && first_layer == 0 && last_layer == max_layer) {
+               /* 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);
                }
        }
@@ -199,21 +226,173 @@ void r600_flush_depth_textures(struct r600_context *rctx,
 
        while (depth_texture_mask) {
                struct pipe_sampler_view *view;
-               struct r600_resource_texture *tex;
+               struct r600_texture *tex;
 
                i = u_bit_scan(&depth_texture_mask);
 
                view = &textures->views[i]->base;
                assert(view);
 
-               tex = (struct r600_resource_texture *)view->texture;
+               tex = (struct r600_texture *)view->texture;
                assert(tex->is_depth && !tex->is_flushing_texture);
 
                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));
+                                          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));
+       }
+}
+
+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);
+       }
+
+       /* 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);
+
+       pipe_surface_reference(&dst_view, NULL);
+       pipe_sampler_view_reference(&src_view, NULL);
+}
+
+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);
+}
+
+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);
        }
 }
 
@@ -292,8 +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;
 
@@ -327,7 +506,7 @@ static void r600_change_format(struct pipe_resource *tex,
                               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;
@@ -344,7 +523,7 @@ static void r600_reset_blittable_to_orig(struct pipe_resource *tex,
                                         unsigned level,
                                         struct texture_orig_info *orig)
 {
-       struct r600_resource_texture *rtex = (struct r600_resource_texture*)tex;
+       struct r600_texture *rtex = (struct r600_texture*)tex;
 
        tex->format = orig->format;
        tex->width0 = orig->width0;
@@ -364,11 +543,12 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                                      const struct pipe_box *src_box)
 {
        struct r600_context *rctx = (struct r600_context *)ctx;
-       struct r600_resource_texture *rsrc = (struct r600_resource_texture*)src;
+       struct r600_texture *rsrc = (struct r600_texture*)src;
        struct texture_orig_info orig_info[2];
        struct pipe_box sbox;
        const struct pipe_box *psbox = src_box;
        boolean restore_orig[2];
+       unsigned last_sample, i;
 
        memset(orig_info, 0, sizeof(orig_info));
 
@@ -378,6 +558,9 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                return;
        }
 
+       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))
@@ -385,7 +568,8 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
 
                r600_blit_uncompress_depth(ctx, rsrc, NULL,
                                           src_level, src_level,
-                                          src_box->z, src_box->z + src_box->depth - 1);
+                                          src_box->z, src_box->z + src_box->depth - 1,
+                                          0, u_max_sample(src));
        }
 
        restore_orig[0] = restore_orig[1] = FALSE;
@@ -433,10 +617,12 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
                restore_orig[1] = TRUE;
        }
 
-       r600_blitter_begin(ctx, R600_COPY_TEXTURE);
-       util_blitter_copy_texture(rctx->blitter, dst, dst_level, dstx, dsty, dstz,
-                                 src, src_level, psbox);
-       r600_blitter_end(ctx);
+       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_orig(src, src_level, &orig_info[0]);
@@ -451,4 +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;
+       rctx->context.resource_resolve = r600_resource_resolve;
 }