gallium/radeon: just get num_tile_pipes from the winsys
[mesa.git] / src / gallium / drivers / radeon / r600_texture.c
index d3f3e63f219db7054ea3b16380d1853333934c4c..9d91e64ed30088bd13620a3418d6ac745c9ce3c6 100644 (file)
@@ -243,10 +243,11 @@ static boolean r600_texture_get_handle(struct pipe_screen* screen,
                                       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
                                       surface->level[0].mode >= RADEON_SURF_MODE_2D ?
                                       RADEON_LAYOUT_TILED : RADEON_LAYOUT_LINEAR,
+                                      surface->pipe_config,
                                       surface->bankw, surface->bankh,
                                       surface->tile_split,
                                       surface->stencil_tile_split,
-                                      surface->mtilea,
+                                      surface->mtilea, surface->num_banks,
                                       surface->level[0].pitch_bytes,
                                       (surface->flags & RADEON_SURF_SCANOUT) != 0);
 
@@ -267,6 +268,7 @@ static void r600_texture_destroy(struct pipe_screen *screen,
        if (rtex->cmask_buffer != &rtex->resource) {
            pipe_resource_reference((struct pipe_resource**)&rtex->cmask_buffer, NULL);
        }
+       pipe_resource_reference((struct pipe_resource**)&rtex->dcc_buffer, NULL);
        pb_reference(&resource->buf, NULL);
        FREE(rtex);
 }
@@ -334,7 +336,7 @@ void r600_texture_get_fmask_info(struct r600_common_screen *rscreen,
                out->slice_tile_max -= 1;
 
        out->tile_mode_index = fmask.tiling_index[0];
-       out->pitch = fmask.level[0].nblk_x;
+       out->pitch_in_pixels = fmask.level[0].nblk_x;
        out->bank_height = fmask.bankh;
        out->alignment = MAX2(256, fmask.bo_alignment);
        out->size = fmask.bo_size;
@@ -359,7 +361,7 @@ void r600_texture_get_cmask_info(struct r600_common_screen *rscreen,
        unsigned cmask_tile_elements = cmask_tile_width * cmask_tile_height;
        unsigned element_bits = 4;
        unsigned cmask_cache_bits = 1024;
-       unsigned num_pipes = rscreen->tiling_info.num_channels;
+       unsigned num_pipes = rscreen->info.num_tile_pipes;
        unsigned pipe_interleave_bytes = rscreen->tiling_info.group_bytes;
 
        unsigned elements_per_macro_tile = (cmask_cache_bits / element_bits) * num_pipes;
@@ -378,6 +380,10 @@ void r600_texture_get_cmask_info(struct r600_common_screen *rscreen,
        assert(macro_tile_width % 128 == 0);
        assert(macro_tile_height % 128 == 0);
 
+       out->pitch = pitch_elements;
+       out->height = height;
+       out->xalign = macro_tile_width;
+       out->yalign = macro_tile_height;
        out->slice_tile_max = ((pitch_elements * height) / (128*128)) - 1;
        out->alignment = MAX2(256, base_align);
        out->size = (util_max_layer(&rtex->resource.b.b, 0) + 1) *
@@ -389,7 +395,7 @@ static void si_texture_get_cmask_info(struct r600_common_screen *rscreen,
                                      struct r600_cmask_info *out)
 {
        unsigned pipe_interleave_bytes = rscreen->tiling_info.group_bytes;
-       unsigned num_pipes = rscreen->tiling_info.num_channels;
+       unsigned num_pipes = rscreen->info.num_tile_pipes;
        unsigned cl_width, cl_height;
 
        switch (num_pipes) {
@@ -423,6 +429,10 @@ static void si_texture_get_cmask_info(struct r600_common_screen *rscreen,
        /* Each element of CMASK is a nibble. */
        unsigned slice_bytes = slice_elements / 2;
 
+       out->pitch = width;
+       out->height = height;
+       out->xalign = cl_width * 8;
+       out->yalign = cl_height * 8;
        out->slice_tile_max = (width * height) / (128*128);
        if (out->slice_tile_max)
                out->slice_tile_max -= 1;
@@ -481,15 +491,34 @@ static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen
                rtex->cb_color_info |= EG_S_028C70_FAST_CLEAR(1);
 }
 
+static void vi_texture_alloc_dcc_separate(struct r600_common_screen *rscreen,
+                                             struct r600_texture *rtex)
+{
+       if (rscreen->debug_flags & DBG_NO_DCC)
+               return;
+
+       rtex->dcc_buffer = (struct r600_resource *)
+               r600_aligned_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
+                                  PIPE_USAGE_DEFAULT, rtex->surface.dcc_size, rtex->surface.dcc_alignment);
+       if (rtex->dcc_buffer == NULL) {
+               return;
+       }
+
+       r600_screen_clear_buffer(rscreen, &rtex->dcc_buffer->b.b, 0, rtex->surface.dcc_size,
+                                0xFFFFFFFF, true);
+
+       rtex->cb_color_info |= VI_S_028C70_DCC_ENABLE(1);
+}
+
 static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen,
                                            struct r600_texture *rtex)
 {
        unsigned cl_width, cl_height, width, height;
        unsigned slice_elements, slice_bytes, pipe_interleave_bytes, base_align;
-       unsigned num_pipes = rscreen->tiling_info.num_channels;
+       unsigned num_pipes = rscreen->info.num_tile_pipes;
 
        if (rscreen->chip_class <= EVERGREEN &&
-           rscreen->info.drm_minor < 26)
+           rscreen->info.drm_major == 2 && rscreen->info.drm_minor < 26)
                return 0;
 
        /* HW bug on R6xx. */
@@ -501,9 +530,13 @@ static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen,
        /* HTILE is broken with 1D tiling on old kernels and CIK. */
        if (rscreen->chip_class >= CIK &&
            rtex->surface.level[0].mode == RADEON_SURF_MODE_1D &&
-           rscreen->info.drm_minor < 38)
+           rscreen->info.drm_major == 2 && rscreen->info.drm_minor < 38)
                return 0;
 
+       /* Overalign HTILE on Stoney to fix piglit/depthstencil-render-miplevels 585. */
+       if (rscreen->family == CHIP_STONEY)
+               num_pipes = 4;
+
        switch (num_pipes) {
        case 1:
                cl_width = 32;
@@ -539,6 +572,11 @@ static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen,
        pipe_interleave_bytes = rscreen->tiling_info.group_bytes;
        base_align = num_pipes * pipe_interleave_bytes;
 
+       rtex->htile.pitch = width;
+       rtex->htile.height = height;
+       rtex->htile.xalign = cl_width * 8;
+       rtex->htile.yalign = cl_height * 8;
+
        return (util_max_layer(&rtex->resource.b.b, 0) + 1) *
                align(slice_bytes, base_align);
 }
@@ -564,6 +602,94 @@ static void r600_texture_allocate_htile(struct r600_common_screen *rscreen,
        }
 }
 
+void r600_print_texture_info(struct r600_texture *rtex, FILE *f)
+{
+       int i;
+
+       fprintf(f, "  Info: npix_x=%u, npix_y=%u, npix_z=%u, blk_w=%u, "
+               "blk_h=%u, blk_d=%u, array_size=%u, last_level=%u, "
+               "bpe=%u, nsamples=%u, flags=0x%x, %s\n",
+               rtex->surface.npix_x, rtex->surface.npix_y,
+               rtex->surface.npix_z, rtex->surface.blk_w,
+               rtex->surface.blk_h, rtex->surface.blk_d,
+               rtex->surface.array_size, rtex->surface.last_level,
+               rtex->surface.bpe, rtex->surface.nsamples,
+               rtex->surface.flags, util_format_short_name(rtex->resource.b.b.format));
+
+       fprintf(f, "  Layout: size=%"PRIu64", alignment=%"PRIu64", bankw=%u, "
+               "bankh=%u, nbanks=%u, mtilea=%u, tilesplit=%u, pipeconfig=%u, scanout=%u\n",
+               rtex->surface.bo_size, rtex->surface.bo_alignment, rtex->surface.bankw,
+               rtex->surface.bankh, rtex->surface.num_banks, rtex->surface.mtilea,
+               rtex->surface.tile_split, rtex->surface.pipe_config,
+               (rtex->surface.flags & RADEON_SURF_SCANOUT) != 0);
+
+       if (rtex->fmask.size)
+               fprintf(f, "  FMask: offset=%u, size=%u, alignment=%u, pitch_in_pixels=%u, "
+                       "bankh=%u, slice_tile_max=%u, tile_mode_index=%u\n",
+                       rtex->fmask.offset, rtex->fmask.size, rtex->fmask.alignment,
+                       rtex->fmask.pitch_in_pixels, rtex->fmask.bank_height,
+                       rtex->fmask.slice_tile_max, rtex->fmask.tile_mode_index);
+
+       if (rtex->cmask.size)
+               fprintf(f, "  CMask: offset=%u, size=%u, alignment=%u, pitch=%u, "
+                       "height=%u, xalign=%u, yalign=%u, slice_tile_max=%u\n",
+                       rtex->cmask.offset, rtex->cmask.size, rtex->cmask.alignment,
+                       rtex->cmask.pitch, rtex->cmask.height, rtex->cmask.xalign,
+                       rtex->cmask.yalign, rtex->cmask.slice_tile_max);
+
+       if (rtex->htile_buffer)
+               fprintf(f, "  HTile: size=%u, alignment=%u, pitch=%u, height=%u, "
+                       "xalign=%u, yalign=%u\n",
+                       rtex->htile_buffer->b.b.width0,
+                       rtex->htile_buffer->buf->alignment, rtex->htile.pitch,
+                       rtex->htile.height, rtex->htile.xalign, rtex->htile.yalign);
+
+       if (rtex->dcc_buffer) {
+               fprintf(f, "  DCC: size=%u, alignment=%u\n",
+                       rtex->dcc_buffer->b.b.width0,
+                       rtex->dcc_buffer->buf->alignment);
+               for (i = 0; i <= rtex->surface.last_level; i++)
+                       fprintf(f, "  DCCLevel[%i]: offset=%"PRIu64"\n",
+                               i, rtex->surface.level[i].dcc_offset);
+       }
+
+       for (i = 0; i <= rtex->surface.last_level; i++)
+               fprintf(f, "  Level[%i]: offset=%"PRIu64", slice_size=%"PRIu64", "
+                       "npix_x=%u, npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
+                       "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
+                       i, rtex->surface.level[i].offset,
+                       rtex->surface.level[i].slice_size,
+                       u_minify(rtex->resource.b.b.width0, i),
+                       u_minify(rtex->resource.b.b.height0, i),
+                       u_minify(rtex->resource.b.b.depth0, i),
+                       rtex->surface.level[i].nblk_x,
+                       rtex->surface.level[i].nblk_y,
+                       rtex->surface.level[i].nblk_z,
+                       rtex->surface.level[i].pitch_bytes,
+                       rtex->surface.level[i].mode);
+
+       if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
+               for (i = 0; i <= rtex->surface.last_level; i++) {
+                       fprintf(f, "  StencilLayout: tilesplit=%u\n",
+                               rtex->surface.stencil_tile_split);
+                       fprintf(f, "  StencilLevel[%i]: offset=%"PRIu64", "
+                               "slice_size=%"PRIu64", npix_x=%u, "
+                               "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
+                               "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
+                               i, rtex->surface.stencil_level[i].offset,
+                               rtex->surface.stencil_level[i].slice_size,
+                               u_minify(rtex->resource.b.b.width0, i),
+                               u_minify(rtex->resource.b.b.height0, i),
+                               u_minify(rtex->resource.b.b.depth0, i),
+                               rtex->surface.stencil_level[i].nblk_x,
+                               rtex->surface.stencil_level[i].nblk_y,
+                               rtex->surface.stencil_level[i].nblk_z,
+                               rtex->surface.stencil_level[i].pitch_bytes,
+                               rtex->surface.stencil_level[i].mode);
+               }
+       }
+}
+
 /* Common processing for r600_texture_create and r600_texture_from_handle */
 static struct r600_texture *
 r600_texture_create_object(struct pipe_screen *screen,
@@ -577,7 +703,7 @@ r600_texture_create_object(struct pipe_screen *screen,
        struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
 
        rtex = CALLOC_STRUCT(r600_texture);
-       if (rtex == NULL)
+       if (!rtex)
                return NULL;
 
        resource = &rtex->resource;
@@ -585,7 +711,6 @@ r600_texture_create_object(struct pipe_screen *screen,
        resource->b.vtbl = &r600_texture_vtbl;
        pipe_reference_init(&resource->b.b.reference, 1);
        resource->b.b.screen = screen;
-       rtex->pitch_override = pitch_in_bytes_override;
 
        /* don't include stencil-only formats which we don't support for rendering */
        rtex->is_depth = util_format_has_depth(util_format_description(rtex->resource.b.b.format));
@@ -620,6 +745,8 @@ r600_texture_create_object(struct pipe_screen *screen,
                                return NULL;
                        }
                }
+               if (rtex->surface.dcc_size)
+                       vi_texture_alloc_dcc_separate(rscreen, rtex);
        }
 
        /* Now create the backing buffer. */
@@ -631,9 +758,8 @@ r600_texture_create_object(struct pipe_screen *screen,
                }
        } else {
                resource->buf = buf;
-               resource->cs_buf = rscreen->ws->buffer_get_cs_handle(buf);
-               resource->gpu_address = rscreen->ws->buffer_get_virtual_address(resource->cs_buf);
-               resource->domains = rscreen->ws->buffer_get_initial_domain(resource->cs_buf);
+               resource->gpu_address = rscreen->ws->buffer_get_virtual_address(resource->buf);
+               resource->domains = rscreen->ws->buffer_get_initial_domain(resource->buf);
        }
 
        if (rtex->cmask.size) {
@@ -655,50 +781,11 @@ r600_texture_create_object(struct pipe_screen *screen,
                        base->nr_samples ? base->nr_samples : 1, util_format_short_name(base->format));
        }
 
-       if (rscreen->debug_flags & DBG_TEX ||
-           (rtex->resource.b.b.last_level > 0 && rscreen->debug_flags & DBG_TEXMIP)) {
-               printf("Texture: npix_x=%u, npix_y=%u, npix_z=%u, blk_w=%u, "
-                      "blk_h=%u, blk_d=%u, array_size=%u, last_level=%u, "
-                      "bpe=%u, nsamples=%u, flags=0x%x, %s\n",
-                      rtex->surface.npix_x, rtex->surface.npix_y,
-                      rtex->surface.npix_z, rtex->surface.blk_w,
-                      rtex->surface.blk_h, rtex->surface.blk_d,
-                      rtex->surface.array_size, rtex->surface.last_level,
-                      rtex->surface.bpe, rtex->surface.nsamples,
-                      rtex->surface.flags, util_format_short_name(base->format));
-               for (int i = 0; i <= rtex->surface.last_level; i++) {
-                       printf("  L %i: offset=%"PRIu64", slice_size=%"PRIu64", npix_x=%u, "
-                              "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
-                              "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
-                              i, rtex->surface.level[i].offset,
-                              rtex->surface.level[i].slice_size,
-                              u_minify(rtex->resource.b.b.width0, i),
-                              u_minify(rtex->resource.b.b.height0, i),
-                              u_minify(rtex->resource.b.b.depth0, i),
-                              rtex->surface.level[i].nblk_x,
-                              rtex->surface.level[i].nblk_y,
-                              rtex->surface.level[i].nblk_z,
-                              rtex->surface.level[i].pitch_bytes,
-                              rtex->surface.level[i].mode);
-               }
-               if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
-                       for (int i = 0; i <= rtex->surface.last_level; i++) {
-                               printf("  S %i: offset=%"PRIu64", slice_size=%"PRIu64", npix_x=%u, "
-                                      "npix_y=%u, npix_z=%u, nblk_x=%u, nblk_y=%u, "
-                                      "nblk_z=%u, pitch_bytes=%u, mode=%u\n",
-                                      i, rtex->surface.stencil_level[i].offset,
-                                      rtex->surface.stencil_level[i].slice_size,
-                                      u_minify(rtex->resource.b.b.width0, i),
-                                      u_minify(rtex->resource.b.b.height0, i),
-                                      u_minify(rtex->resource.b.b.depth0, i),
-                                      rtex->surface.stencil_level[i].nblk_x,
-                                      rtex->surface.stencil_level[i].nblk_y,
-                                      rtex->surface.stencil_level[i].nblk_z,
-                                      rtex->surface.stencil_level[i].pitch_bytes,
-                                      rtex->surface.stencil_level[i].mode);
-                       }
-               }
+       if (rscreen->debug_flags & DBG_TEX) {
+               puts("Texture:");
+               r600_print_texture_info(rtex, stdout);
        }
+
        return rtex;
 }
 
@@ -940,8 +1027,8 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
                /* Untiled buffers in VRAM, which is slow for CPU reads */
                use_staging_texture = TRUE;
        } else if (!(usage & PIPE_TRANSFER_READ) &&
-           (r600_rings_is_buffer_referenced(rctx, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) ||
-            rctx->ws->buffer_is_busy(rtex->resource.buf, RADEON_USAGE_READWRITE))) {
+           (r600_rings_is_buffer_referenced(rctx, rtex->resource.buf, RADEON_USAGE_READWRITE) ||
+            !rctx->ws->buffer_wait(rtex->resource.buf, 0, RADEON_USAGE_READWRITE))) {
                /* Use a staging texture for uploads if the underlying BO is busy. */
                use_staging_texture = TRUE;
        }
@@ -955,7 +1042,7 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
        }
 
        trans = CALLOC_STRUCT(r600_transfer);
-       if (trans == NULL)
+       if (!trans)
                return NULL;
        trans->transfer.resource = texture;
        trans->transfer.level = level;
@@ -988,11 +1075,16 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
 
                        if (usage & PIPE_TRANSFER_READ) {
                                struct pipe_resource *temp = ctx->screen->resource_create(ctx->screen, &resource);
+                               if (!temp) {
+                                       R600_ERR("failed to create a temporary depth texture\n");
+                                       FREE(trans);
+                                       return NULL;
+                               }
 
                                r600_copy_region_with_blit(ctx, temp, 0, 0, 0, 0, texture, level, box);
                                rctx->blit_decompress_depth(ctx, (struct r600_texture*)temp, staging_depth,
                                                            0, 0, 0, box->depth, 0, 0);
-                               pipe_resource_reference((struct pipe_resource**)&temp, NULL);
+                               pipe_resource_reference(&temp, NULL);
                        }
                }
                else {
@@ -1026,7 +1118,7 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx,
 
                /* Create the temporary texture. */
                staging = (struct r600_texture*)ctx->screen->resource_create(ctx->screen, &resource);
-               if (staging == NULL) {
+               if (!staging) {
                        R600_ERR("failed to create temporary texture to hold untiled copy\n");
                        FREE(trans);
                        return NULL;
@@ -1091,7 +1183,7 @@ static const struct u_resource_vtbl r600_texture_vtbl =
        NULL,                           /* get_handle */
        r600_texture_destroy,           /* resource_destroy */
        r600_texture_transfer_map,      /* transfer_map */
-       NULL,                           /* transfer_flush_region */
+       u_default_transfer_flush_region, /* transfer_flush_region */
        r600_texture_transfer_unmap,    /* transfer_unmap */
        NULL                            /* transfer_inline_write */
 };
@@ -1103,7 +1195,7 @@ struct pipe_surface *r600_create_surface_custom(struct pipe_context *pipe,
 {
        struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
 
-       if (surface == NULL)
+       if (!surface)
                return NULL;
 
        assert(templ->u.tex.first_layer <= util_max_layer(texture, templ->u.tex.level));
@@ -1124,10 +1216,30 @@ static struct pipe_surface *r600_create_surface(struct pipe_context *pipe,
                                                const struct pipe_surface *templ)
 {
        unsigned level = templ->u.tex.level;
+       unsigned width = u_minify(tex->width0, level);
+       unsigned height = u_minify(tex->height0, level);
+
+       if (templ->format != tex->format) {
+               const struct util_format_description *tex_desc
+                       = util_format_description(tex->format);
+               const struct util_format_description *templ_desc
+                       = util_format_description(templ->format);
+
+               assert(tex_desc->block.bits == templ_desc->block.bits);
+
+               /* Adjust size of surface if and only if the block width or
+                * height is changed. */
+               if (tex_desc->block.width != templ_desc->block.width ||
+                   tex_desc->block.height != templ_desc->block.height) {
+                       unsigned nblks_x = util_format_get_nblocksx(tex->format, width);
+                       unsigned nblks_y = util_format_get_nblocksy(tex->format, height);
+
+                       width = nblks_x * templ_desc->block.width;
+                       height = nblks_y * templ_desc->block.height;
+               }
+       }
 
-       return r600_create_surface_custom(pipe, tex, templ,
-                                         u_minify(tex->width0, level),
-                                         u_minify(tex->height0, level));
+       return r600_create_surface_custom(pipe, tex, templ, width, height);
 }
 
 static void r600_surface_destroy(struct pipe_context *pipe,
@@ -1213,15 +1325,90 @@ static void evergreen_set_clear_color(struct r600_texture *rtex,
        memcpy(rtex->color_clear_value, &uc, 2 * sizeof(uint32_t));
 }
 
+static void vi_get_fast_clear_parameters(enum pipe_format surface_format,
+                                        const union pipe_color_union *color,
+                                        uint32_t* reset_value,
+                                        bool* clear_words_needed)
+{
+       bool values[4] = {};
+       int i;
+       bool main_value = false;
+       bool extra_value = false;
+       int extra_channel;
+       const struct util_format_description *desc = util_format_description(surface_format);
+
+       *clear_words_needed = true;
+       *reset_value = 0x20202020U;
+
+       /* If we want to clear without needing a fast clear eliminate step, we
+        * can set each channel to 0 or 1 (or 0/max for integer formats). We
+        * have two sets of flags, one for the last or first channel(extra) and
+        * one for the other channels(main).
+        */
+
+       if (surface_format == PIPE_FORMAT_R11G11B10_FLOAT ||
+           surface_format == PIPE_FORMAT_B5G6R5_UNORM ||
+           surface_format == PIPE_FORMAT_B5G6R5_SRGB) {
+               extra_channel = -1;
+       } else if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
+               if(r600_translate_colorswap(surface_format) <= 1)
+                       extra_channel = desc->nr_channels - 1;
+               else
+                       extra_channel = 0;
+       } else
+               return;
+
+       for (i = 0; i < 4; ++i) {
+               int index = desc->swizzle[i] - UTIL_FORMAT_SWIZZLE_X;
+
+               if (desc->swizzle[i] < UTIL_FORMAT_SWIZZLE_X ||
+                   desc->swizzle[i] > UTIL_FORMAT_SWIZZLE_W)
+                       continue;
+
+               if (util_format_is_pure_sint(surface_format)) {
+                       values[i] = color->i[i] != 0;
+                       if (color->i[i] != 0 && color->i[i] != INT32_MAX)
+                               return;
+               } else if (util_format_is_pure_uint(surface_format)) {
+                       values[i] = color->ui[i] != 0U;
+                       if (color->ui[i] != 0U && color->ui[i] != UINT32_MAX)
+                               return;
+               } else {
+                       values[i] = color->f[i] != 0.0F;
+                       if (color->f[i] != 0.0F && color->f[i] != 1.0F)
+                               return;
+               }
+
+               if (index == extra_channel)
+                       extra_value = values[i];
+               else
+                       main_value = values[i];
+       }
+
+       for (int i = 0; i < 4; ++i)
+               if (values[i] != main_value &&
+                   desc->swizzle[i] - UTIL_FORMAT_SWIZZLE_X != extra_channel &&
+                   desc->swizzle[i] >= UTIL_FORMAT_SWIZZLE_X &&
+                   desc->swizzle[i] <= UTIL_FORMAT_SWIZZLE_W)
+                       return;
+
+       *clear_words_needed = false;
+       if (main_value)
+               *reset_value |= 0x80808080U;
+
+       if (extra_value)
+               *reset_value |= 0x40404040U;
+}
+
 void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
                                   struct pipe_framebuffer_state *fb,
                                   struct r600_atom *fb_state,
-                                  unsigned *buffers,
+                                  unsigned *buffers, unsigned *dirty_cbufs,
                                   const union pipe_color_union *color)
 {
        int i;
 
-       if (rctx->current_render_cond)
+       if (rctx->render_cond)
                return;
 
        for (i = 0; i < fb->nr_cbufs; i++) {
@@ -1260,23 +1447,49 @@ void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
 
                /* fast color clear with 1D tiling doesn't work on old kernels and CIK */
                if (tex->surface.level[0].mode == RADEON_SURF_MODE_1D &&
-                   rctx->chip_class >= CIK && rctx->screen->info.drm_minor < 38) {
+                   rctx->chip_class >= CIK &&
+                   rctx->screen->info.drm_major == 2 &&
+                   rctx->screen->info.drm_minor < 38) {
                        continue;
                }
 
-               /* ensure CMASK is enabled */
-               r600_texture_alloc_cmask_separate(rctx->screen, tex);
-               if (tex->cmask.size == 0) {
-                       continue;
+               if (tex->dcc_buffer) {
+                       uint32_t reset_value;
+                       bool clear_words_needed;
+
+                       if (rctx->screen->debug_flags & DBG_NO_DCC_CLEAR)
+                               continue;
+
+                       vi_get_fast_clear_parameters(fb->cbufs[i]->format, color, &reset_value, &clear_words_needed);
+
+                       rctx->clear_buffer(&rctx->b, &tex->dcc_buffer->b.b,
+                                       0, tex->surface.dcc_size, reset_value, true);
+
+                       if (clear_words_needed)
+                               tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;
+               } else {
+                       /* Stoney/RB+ doesn't work with CMASK fast clear. */
+                       if (rctx->family == CHIP_STONEY)
+                               continue;
+
+                       /* ensure CMASK is enabled */
+                       r600_texture_alloc_cmask_separate(rctx->screen, tex);
+                       if (tex->cmask.size == 0) {
+                               continue;
+                       }
+
+                       /* Do the fast clear. */
+                       rctx->clear_buffer(&rctx->b, &tex->cmask_buffer->b.b,
+                                       tex->cmask.offset, tex->cmask.size, 0, true);
+
+                       tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;
                }
 
-               /* Do the fast clear. */
                evergreen_set_clear_color(tex, fb->cbufs[i]->format, color);
-               rctx->clear_buffer(&rctx->b, &tex->cmask_buffer->b.b,
-                                  tex->cmask.offset, tex->cmask.size, 0, true);
 
-               tex->dirty_level_mask |= 1 << fb->cbufs[i]->u.tex.level;
-               fb_state->dirty = true;
+               if (dirty_cbufs)
+                       *dirty_cbufs |= 1 << i;
+               rctx->set_atom_dirty(rctx, fb_state, true);
                *buffers &= ~clear_bit;
        }
 }