radeonsi: fix AMD_DEBUG=nofmask
[mesa.git] / src / gallium / drivers / radeonsi / si_clear.c
index e614ab5242374f784b94c5d176e6d8c69dbf2755..60daff383cbba113064d008df986ffa943c65be1 100644 (file)
@@ -37,7 +37,11 @@ enum {
 static void si_alloc_separate_cmask(struct si_screen *sscreen,
                                    struct si_texture *tex)
 {
-       if (tex->cmask_buffer || !tex->surface.cmask_size)
+       /* CMASK for MSAA is allocated in advance or always disabled
+        * by "nofmask" option.
+        */
+       if (tex->cmask_buffer || !tex->surface.cmask_size ||
+           tex->buffer.b.b.nr_samples >= 2)
                 return;
 
        tex->cmask_buffer =
@@ -133,7 +137,7 @@ static bool vi_get_fast_clear_parameters(enum pipe_format base_format,
                return false;
 
        *eliminate_needed = true;
-       *clear_value = 0x20202020U; /* use CB clear color registers */
+       *clear_value = DCC_CLEAR_COLOR_REG;
 
        if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
                return true; /* need ELIMINATE_FAST_CLEAR */
@@ -203,15 +207,22 @@ static bool vi_get_fast_clear_parameters(enum pipe_format base_format,
        }
 
        /* This doesn't need ELIMINATE_FAST_CLEAR.
-        * CB uses both the DCC clear codes and the CB clear color registers,
-        * so they must match.
+        * On chips predating Raven2, the DCC clear codes and the CB clear
+        * color registers must match.
         */
        *eliminate_needed = false;
 
-       if (color_value)
-               *clear_value |= 0x80808080U;
-       if (alpha_value)
-               *clear_value |= 0x40404040U;
+       if (color_value) {
+               if (alpha_value)
+                       *clear_value = DCC_CLEAR_COLOR_1111;
+               else
+                       *clear_value = DCC_CLEAR_COLOR_1110;
+       } else {
+               if (alpha_value)
+                       *clear_value = DCC_CLEAR_COLOR_0001;
+               else
+                       *clear_value = DCC_CLEAR_COLOR_0000;
+       }
        return true;
 }
 
@@ -237,7 +248,7 @@ void vi_dcc_clear_level(struct si_context *sctx,
                assert(tex->buffer.b.b.last_level == 0);
                /* 4x and 8x MSAA needs a sophisticated compute shader for
                 * the clear. See AMDVLK. */
-               assert(tex->num_color_samples <= 2);
+               assert(tex->buffer.b.b.nr_storage_samples <= 2);
                clear_size = tex->surface.dcc_size;
        } else {
                unsigned num_layers = util_num_layers(&tex->buffer.b.b, level);
@@ -248,7 +259,7 @@ void vi_dcc_clear_level(struct si_context *sctx,
                 * dcc_fast_clear_size bytes for each layer. A compute shader
                 * would be more efficient than separate per-layer clear operations.
                 */
-               assert(tex->num_color_samples <= 2 || num_layers == 1);
+               assert(tex->buffer.b.b.nr_storage_samples <= 2 || num_layers == 1);
 
                dcc_offset += tex->surface.u.legacy.level[level].dcc_offset;
                clear_size = tex->surface.u.legacy.level[level].dcc_fast_clear_size *
@@ -256,7 +267,7 @@ void vi_dcc_clear_level(struct si_context *sctx,
        }
 
        si_clear_buffer(sctx, dcc_buffer, dcc_offset, clear_size,
-                       clear_value, SI_COHERENCY_CB_META);
+                       &clear_value, 4, SI_COHERENCY_CB_META, false);
 }
 
 /* Set the same micro tile mode as the destination of the last MSAA resolve.
@@ -306,7 +317,7 @@ static void si_set_optimal_micro_tile_mode(struct si_screen *sscreen,
                        assert(!"unexpected micro mode");
                        return;
                }
-       } else if (sscreen->info.chip_class >= CIK) {
+       } else if (sscreen->info.chip_class >= GFX7) {
                /* These magic numbers were copied from addrlib. It doesn't use
                 * any definitions for them either. They are all 2D_TILED_THIN1
                 * modes with different bpp and micro tile mode.
@@ -325,7 +336,7 @@ static void si_set_optimal_micro_tile_mode(struct si_screen *sscreen,
                        assert(!"unexpected micro mode");
                        return;
                }
-       } else { /* SI */
+       } else { /* GFX6 */
                switch (tex->last_msaa_resolve_target_micro_mode) {
                case RADEON_MICRO_MODE_DISPLAY:
                        switch (tex->surface.bpe) {
@@ -427,13 +438,11 @@ static void si_do_fast_color_clear(struct si_context *sctx,
                    !(tex->buffer.external_usage & PIPE_HANDLE_USAGE_EXPLICIT_FLUSH))
                        continue;
 
-               if (sctx->chip_class <= VI &&
+               if (sctx->chip_class <= GFX8 &&
                    tex->surface.u.legacy.level[0].mode == RADEON_SURF_MODE_1D &&
                    !sctx->screen->info.htile_cmask_support_1d_tiling)
                        continue;
 
-               bool need_decompress_pass = false;
-
                /* Use a slow clear for small surfaces where the cost of
                 * the eliminate pass can be higher than the benefit of fast
                 * clear. The closed driver does this, but the numbers may differ.
@@ -443,6 +452,8 @@ static void si_do_fast_color_clear(struct si_context *sctx,
                bool too_small = tex->buffer.b.b.nr_samples <= 1 &&
                                 tex->buffer.b.b.width0 *
                                 tex->buffer.b.b.height0 <= 512 * 512;
+               bool eliminate_needed = false;
+               bool fmask_decompress_needed = false;
 
                /* Fast clear is the most appropriate place to enable DCC for
                 * displayable surfaces.
@@ -462,13 +473,12 @@ static void si_do_fast_color_clear(struct si_context *sctx,
                /* Try to clear DCC first, otherwise try CMASK. */
                if (vi_dcc_enabled(tex, 0)) {
                        uint32_t reset_value;
-                       bool eliminate_needed;
 
                        if (sctx->screen->debug_flags & DBG(NO_DCC_CLEAR))
                                continue;
 
                        /* This can happen with mipmapping or MSAA. */
-                       if (sctx->chip_class == VI &&
+                       if (sctx->chip_class == GFX8 &&
                            !tex->surface.u.legacy.level[level].dcc_fast_clear_size)
                                continue;
 
@@ -487,17 +497,14 @@ static void si_do_fast_color_clear(struct si_context *sctx,
                                if (eliminate_needed)
                                        continue;
 
+                               uint32_t clear_value = 0xCCCCCCCC;
                                si_clear_buffer(sctx, &tex->cmask_buffer->b.b,
                                                tex->cmask_offset, tex->surface.cmask_size,
-                                               0xCCCCCCCC, SI_COHERENCY_CB_META);
-                               need_decompress_pass = true;
+                                               &clear_value, 4, SI_COHERENCY_CB_META, false);
+                               fmask_decompress_needed = true;
                        }
 
                        vi_dcc_clear_level(sctx, tex, 0, reset_value);
-
-                       if (eliminate_needed)
-                               need_decompress_pass = true;
-
                        tex->separate_dcc_dirty = true;
                } else {
                        if (too_small)
@@ -518,13 +525,14 @@ static void si_do_fast_color_clear(struct si_context *sctx,
                                continue;
 
                        /* Do the fast clear. */
+                       uint32_t clear_value = 0;
                        si_clear_buffer(sctx, &tex->cmask_buffer->b.b,
-                                       tex->cmask_offset, tex->surface.cmask_size, 0,
-                                       SI_COHERENCY_CB_META);
-                       need_decompress_pass = true;
+                                       tex->cmask_offset, tex->surface.cmask_size,
+                                       &clear_value, 4, SI_COHERENCY_CB_META, false);
+                       eliminate_needed = true;
                }
 
-               if (need_decompress_pass &&
+               if ((eliminate_needed || fmask_decompress_needed) &&
                    !(tex->dirty_level_mask & (1 << level))) {
                        tex->dirty_level_mask |= 1 << level;
                        p_atomic_inc(&sctx->screen->compressed_colortex_counter);
@@ -533,11 +541,18 @@ static void si_do_fast_color_clear(struct si_context *sctx,
                /* We can change the micro tile mode before a full clear. */
                si_set_optimal_micro_tile_mode(sctx->screen, tex);
 
+               *buffers &= ~clear_bit;
+
+               /* Chips with DCC constant encoding don't need to set the clear
+                * color registers for DCC clear values 0 and 1.
+                */
+               if (sctx->screen->has_dcc_constant_encode && !eliminate_needed)
+                       continue;
+
                if (si_set_clear_color(tex, fb->cbufs[i]->format, color)) {
                        sctx->framebuffer.dirty_cbufs |= 1 << i;
                        si_mark_atom_dirty(sctx, &sctx->atoms.s.framebuffer);
                }
-               *buffers &= ~clear_bit;
        }
 }
 
@@ -627,7 +642,7 @@ static void si_clear(struct pipe_context *ctx, unsigned buffers,
                 * This hack decreases back-to-back ClearDepth performance.
                 */
                if ((sctx->db_depth_clear || sctx->db_stencil_clear) &&
-                   sctx->screen->clear_db_cache_before_clear)
+                   sctx->screen->options.clear_db_cache_before_clear)
                        sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_DB;
        }
 
@@ -660,6 +675,13 @@ static void si_clear_render_target(struct pipe_context *ctx,
                                   bool render_condition_enabled)
 {
        struct si_context *sctx = (struct si_context *)ctx;
+       struct si_texture *sdst = (struct si_texture*)dst->texture;
+
+       if (dst->texture->nr_samples <= 1 && !sdst->dcc_offset) {
+               si_compute_clear_render_target(ctx, dst, color, dstx, dsty, width,
+                                              height, render_condition_enabled);
+               return;
+       }
 
        si_blitter_begin(sctx, SI_CLEAR_SURFACE |
                         (render_condition_enabled ? 0 : SI_DISABLE_RENDER_COND));
@@ -753,8 +775,11 @@ static void si_clear_texture(struct pipe_context *pipe,
 
 void si_init_clear_functions(struct si_context *sctx)
 {
-       sctx->b.clear = si_clear;
        sctx->b.clear_render_target = si_clear_render_target;
-       sctx->b.clear_depth_stencil = si_clear_depth_stencil;
        sctx->b.clear_texture = si_clear_texture;
+
+       if (sctx->has_graphics) {
+               sctx->b.clear = si_clear;
+               sctx->b.clear_depth_stencil = si_clear_depth_stencil;
+       }
 }