freedreno: Move the layout debug under FD_MESA_DEBUG=layout.

I keep wanting to turn this on while debugging layout stuff, and I
suspect krh and robclark could use it too.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3059>

src/freedreno/fdl/fd6_layout.c

@@ -78,6 +78,8 @@ fdl6_layout(struct fdl_layout *layout,
 
 	layout->cpp = util_format_get_blocksize(format);
 	layout->cpp *= nr_samples;
+	layout->format = format;
+	layout->nr_samples = nr_samples;
 
 	const struct util_format_description *format_desc =
 		util_format_description(format);
@@ -222,28 +224,6 @@ fdl6_layout(struct fdl_layout *layout,
 			layout->slices[level].offset += layout->ubwc_size * array_size;
 		layout->size += layout->ubwc_size * array_size;
 	}
-
-	if (false) {
-		for (uint32_t level = 0; level < mip_levels; level++) {
-			struct fdl_slice *slice = &layout->slices[level];
-			struct fdl_slice *ubwc_slice = &layout->ubwc_slices[level];
-			uint32_t tile_mode = (ubwc ?
-					layout->tile_mode : fdl_tile_mode(layout, level));
-
-			fprintf(stderr, "%s: %ux%ux%u@%ux%u:\t%2u: stride=%4u, size=%6u,%6u, aligned_height=%3u, offset=0x%x,0x%x tiling=%d\n",
-					util_format_name(format),
-					u_minify(layout->width0, level),
-					u_minify(layout->height0, level),
-					u_minify(layout->depth0, level),
-					layout->cpp, nr_samples,
-					level,
-					slice->pitch * layout->cpp,
-					slice->size0, ubwc_slice->size0,
-					slice->size0 / (slice->pitch * layout->cpp),
-					slice->offset, ubwc_slice->offset,
-					tile_mode);
-		}
-	}
 }
 
 void

src/freedreno/fdl/freedreno_layout.c

@@ -37,4 +37,30 @@ fdl_layout_buffer(struct fdl_layout *layout, uint32_t size)
 	layout->depth0 = 1;
 	layout->cpp = 1;
 	layout->size = size;
+	layout->format = PIPE_FORMAT_R8_UINT;
+	layout->nr_samples = 1;
+}
+
+void
+fdl_dump_layout(struct fdl_layout *layout)
+{
+	for (uint32_t level = 0; level < layout->slices[level].size0; level++) {
+		struct fdl_slice *slice = &layout->slices[level];
+		struct fdl_slice *ubwc_slice = &layout->ubwc_slices[level];
+		uint32_t tile_mode = (layout->ubwc_size ?
+				layout->tile_mode : fdl_tile_mode(layout, level));
+
+		fprintf(stderr, "%s: %ux%ux%u@%ux%u:\t%2u: stride=%4u, size=%6u,%6u, aligned_height=%3u, offset=0x%x,0x%x tiling=%d\n",
+				util_format_name(layout->format),
+				u_minify(layout->width0, level),
+				u_minify(layout->height0, level),
+				u_minify(layout->depth0, level),
+				layout->cpp, layout->nr_samples,
+				level,
+				slice->pitch * layout->cpp,
+				slice->size0, ubwc_slice->size0,
+				slice->size0 / (slice->pitch * layout->cpp),
+				slice->offset, ubwc_slice->offset,
+				tile_mode);
+	}
 }

src/freedreno/fdl/freedreno_layout.h

@@ -108,6 +108,8 @@ struct fdl_layout {
 	uint8_t cpp;
 
 	uint32_t width0, height0, depth0;
+	uint32_t nr_samples;
+	enum pipe_format format;
 
 	uint32_t size; /* Size of the whole image, in bytes. */
 
@@ -176,6 +178,9 @@ fdl6_layout(struct fdl_layout *layout,
 		uint32_t width0, uint32_t height0, uint32_t depth0,
 		uint32_t mip_levels, uint32_t array_size, bool is_3d, bool ubwc);
 
+void
+fdl_dump_layout(struct fdl_layout *layout);
+
 void
 fdl6_get_ubwc_blockwidth(struct fdl_layout *layout,
 		uint32_t *blockwidth, uint32_t *blockheight);

src/gallium/drivers/freedreno/a5xx/fd5_resource.c

@@ -108,15 +108,6 @@ setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format forma
 		else
 			slice->size0 = fd_resource_slice(rsc, level - 1)->size0;
 
-#if 0
-		debug_printf("%s: %ux%ux%u@%u: %2u: stride=%4u, size=%7u, aligned_height=%3u\n",
-				util_format_name(prsc->format),
-				prsc->width0, prsc->height0, prsc->depth0, rsc->layout.cpp,
-				level, slice->pitch * rsc->layout.cpp,
-				slice->size0 * depth * layers_in_level,
-				aligned_height);
-#endif
-
 		size += slice->size0 * depth * layers_in_level;
 
 		width = u_minify(width, 1);

src/gallium/drivers/freedreno/freedreno_resource.c

@@ -1003,6 +1003,9 @@ fd_resource_create_with_modifiers(struct pipe_screen *pscreen,
 		size = rsc->layout.layer_size * prsc->array_size;
 	}
 
+	if (fd_mesa_debug & FD_DBG_LAYOUT)
+		fdl_dump_layout(&rsc->layout);
+
 	realloc_bo(rsc, size);
 	if (!rsc->bo)
 		goto fail;

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -91,6 +91,7 @@ static const struct debug_named_value debug_options[] = {
 		{"noubwc",    FD_DBG_NOUBWC, "Disable UBWC for all internal buffers"},
 		{"nolrz",     FD_DBG_NOLRZ,  "Disable LRZ (a6xx)"},
 		{"notile",    FD_DBG_NOTILE, "Disable tiling for all internal buffers"},
+		{"layout",    FD_DBG_LAYOUT, "Dump resource layouts"},
 		DEBUG_NAMED_VALUE_END
 };
 

src/gallium/drivers/freedreno/freedreno_util.h

@@ -88,6 +88,8 @@ enum fd_debug_flag {
 	FD_DBG_NOUBWC       = BITFIELD_BIT(23),
 	FD_DBG_NOLRZ        = BITFIELD_BIT(24),
 	FD_DBG_NOTILE       = BITFIELD_BIT(25),
+	FD_DBG_LAYOUT       = BITFIELD_BIT(26),
+
 };
 
 extern int fd_mesa_debug;