intel_miptree_resolve_color(brw, mt, 0, UINT32_MAX, 0, UINT32_MAX, flags);
}
+static inline uint32_t
+miptree_level_range_length(const struct intel_mipmap_tree *mt,
+ uint32_t start_level, uint32_t num_levels)
+{
+ assert(start_level >= mt->first_level);
+ assert(start_level <= mt->last_level);
+
+ if (num_levels == INTEL_REMAINING_LAYERS)
+ num_levels = mt->last_level - start_level + 1;
+ /* Check for overflow */
+ assert(start_level + num_levels >= start_level);
+ assert(start_level + num_levels <= mt->last_level + 1);
+
+ return num_levels;
+}
+
+static inline uint32_t
+miptree_layer_range_length(const struct intel_mipmap_tree *mt, uint32_t level,
+ uint32_t start_layer, uint32_t num_layers)
+{
+ assert(level <= mt->last_level);
+ uint32_t total_num_layers = mt->level[level].depth;
+
+ assert(start_layer < total_num_layers);
+ if (num_layers == INTEL_REMAINING_LAYERS)
+ num_layers = total_num_layers - start_layer;
+ /* Check for overflow */
+ assert(start_layer + num_layers >= start_layer);
+ assert(start_layer + num_layers <= total_num_layers);
+
+ return num_layers;
+}
+
+void
+intel_miptree_prepare_access(struct brw_context *brw,
+ struct intel_mipmap_tree *mt,
+ uint32_t start_level, uint32_t num_levels,
+ uint32_t start_layer, uint32_t num_layers,
+ bool aux_supported, bool fast_clear_supported)
+{
+ num_levels = miptree_level_range_length(mt, start_level, num_levels);
+
+ if (_mesa_is_format_color_format(mt->format)) {
+ if (!mt->mcs_buf)
+ return;
+
+ if (mt->num_samples > 1) {
+ /* Nothing to do for MSAA */
+ } else {
+ /* TODO: This is fairly terrible. We can do better. */
+ if (!aux_supported || !fast_clear_supported) {
+ intel_miptree_resolve_color(brw, mt, start_level, num_levels,
+ start_layer, num_layers, 0);
+ }
+ }
+ } else if (mt->format == MESA_FORMAT_S_UINT8) {
+ /* Nothing to do for stencil */
+ } else {
+ if (!mt->hiz_buf)
+ return;
+
+ if (aux_supported) {
+ assert(fast_clear_supported);
+ intel_miptree_depth_hiz_resolve(brw, mt, start_level, num_levels,
+ start_layer, num_layers,
+ BLORP_HIZ_OP_HIZ_RESOLVE);
+ } else {
+ assert(!fast_clear_supported);
+ intel_miptree_depth_hiz_resolve(brw, mt, start_level, num_levels,
+ start_layer, num_layers,
+ BLORP_HIZ_OP_DEPTH_RESOLVE);
+ }
+ }
+}
+
+void
+intel_miptree_finish_write(struct brw_context *brw,
+ struct intel_mipmap_tree *mt, uint32_t level,
+ uint32_t start_layer, uint32_t num_layers,
+ bool written_with_aux)
+{
+ num_layers = miptree_layer_range_length(mt, level, start_layer, num_layers);
+
+ if (_mesa_is_format_color_format(mt->format)) {
+ if (mt->num_samples > 1) {
+ /* Nothing to do for MSAA */
+ } else {
+ if (written_with_aux) {
+ intel_miptree_used_for_rendering(brw, mt, level,
+ start_layer, num_layers);
+ }
+ }
+ } else if (mt->format == MESA_FORMAT_S_UINT8) {
+ /* Nothing to do for stencil */
+ } else {
+ if (written_with_aux) {
+ for (unsigned a = 0; a < num_layers; a++) {
+ intel_miptree_check_level_layer(mt, level, start_layer);
+ intel_miptree_slice_set_needs_depth_resolve(mt, level,
+ start_layer + a);
+ }
+ } else {
+ for (unsigned a = 0; a < num_layers; a++) {
+ intel_miptree_check_level_layer(mt, level, start_layer);
+ intel_miptree_slice_set_needs_hiz_resolve(mt, level,
+ start_layer + a);
+ }
+ }
+ }
+}
+
+enum isl_aux_state
+intel_miptree_get_aux_state(const struct intel_mipmap_tree *mt,
+ uint32_t level, uint32_t layer)
+{
+ if (_mesa_is_format_color_format(mt->format)) {
+ assert(mt->mcs_buf != NULL);
+ if (mt->num_samples > 1) {
+ return ISL_AUX_STATE_COMPRESSED_CLEAR;
+ } else {
+ switch (intel_miptree_get_fast_clear_state(mt, level, layer)) {
+ case INTEL_FAST_CLEAR_STATE_RESOLVED:
+ return ISL_AUX_STATE_RESOLVED;
+ case INTEL_FAST_CLEAR_STATE_UNRESOLVED:
+ return ISL_AUX_STATE_COMPRESSED_CLEAR;
+ case INTEL_FAST_CLEAR_STATE_CLEAR:
+ return ISL_AUX_STATE_CLEAR;
+ default:
+ unreachable("Invalid fast clear state");
+ }
+ }
+ } else if (mt->format == MESA_FORMAT_S_UINT8) {
+ unreachable("Cannot get aux state for stencil");
+ } else {
+ assert(mt->hiz_buf != NULL);
+ const struct intel_resolve_map *map =
+ intel_resolve_map_const_get(&mt->hiz_map, level, layer);
+ if (!map)
+ return ISL_AUX_STATE_RESOLVED;
+ switch (map->need) {
+ case BLORP_HIZ_OP_DEPTH_RESOLVE:
+ return ISL_AUX_STATE_COMPRESSED_CLEAR;
+ case BLORP_HIZ_OP_HIZ_RESOLVE:
+ return ISL_AUX_STATE_AUX_INVALID;
+ default:
+ unreachable("Invalid hiz op");
+ }
+ }
+}
+
+void
+intel_miptree_set_aux_state(struct brw_context *brw,
+ struct intel_mipmap_tree *mt, uint32_t level,
+ uint32_t start_layer, uint32_t num_layers,
+ enum isl_aux_state aux_state)
+{
+ num_layers = miptree_layer_range_length(mt, level, start_layer, num_layers);
+
+ /* Right now, this only applies to clears. */
+ assert(aux_state == ISL_AUX_STATE_CLEAR);
+
+ if (_mesa_is_format_color_format(mt->format)) {
+ if (mt->num_samples > 1)
+ assert(mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS);
+
+ assert(level == 0 && start_layer == 0 && num_layers == 1);
+ intel_miptree_set_fast_clear_state(brw, mt, 0, 0, 1,
+ INTEL_FAST_CLEAR_STATE_CLEAR);
+ } else if (mt->format == MESA_FORMAT_S_UINT8) {
+ assert(!"Cannot set aux state for stencil");
+ } else {
+ for (unsigned a = 0; a < num_layers; a++) {
+ intel_miptree_check_level_layer(mt, level, start_layer);
+ intel_miptree_slice_set_needs_depth_resolve(mt, level,
+ start_layer + a);
+ }
+ }
+}
+
/**
* Make it possible to share the BO backing the given miptree with another
* process or another miptree.
struct intel_mipmap_tree *mt,
int flags);
+#define INTEL_REMAINING_LAYERS UINT32_MAX
+#define INTEL_REMAINING_LEVELS UINT32_MAX
+
+/** Prepare a miptree for access
+ *
+ * This function should be called prior to any access to miptree in order to
+ * perform any needed resolves.
+ *
+ * \param[in] start_level The first mip level to be accessed
+ *
+ * \param[in] num_levels The number of miplevels to be accessed or
+ * INTEL_REMAINING_LEVELS to indicate every level
+ * above start_level will be accessed
+ *
+ * \param[in] start_layer The first array slice or 3D layer to be accessed
+ *
+ * \param[in] num_layers The number of array slices or 3D layers be
+ * accessed or INTEL_REMAINING_LAYERS to indicate
+ * every layer above start_layer will be accessed
+ *
+ * \param[in] aux_supported Whether or not the access will support the
+ * miptree's auxiliary compression format; this
+ * must be false for uncompressed miptrees
+ *
+ * \param[in] fast_clear_supported Whether or not the access will support
+ * fast clears in the miptree's auxiliary
+ * compression format
+ */
+void
+intel_miptree_prepare_access(struct brw_context *brw,
+ struct intel_mipmap_tree *mt,
+ uint32_t start_level, uint32_t num_levels,
+ uint32_t start_layer, uint32_t num_layers,
+ bool aux_supported, bool fast_clear_supported);
+
+/** Complete a write operation
+ *
+ * This function should be called after any operation writes to a miptree.
+ * This will update the miptree's compression state so that future resolves
+ * happen correctly. Technically, this function can be called before the
+ * write occurs but the caller must ensure that they don't interlace
+ * intel_miptree_prepare_access and intel_miptree_finish_write calls to
+ * overlapping layer/level ranges.
+ *
+ * \param[in] level The mip level that was written
+ *
+ * \param[in] start_layer The first array slice or 3D layer written
+ *
+ * \param[in] num_layers The number of array slices or 3D layers
+ * written or INTEL_REMAINING_LAYERS to indicate
+ * every layer above start_layer was written
+ *
+ * \param[in] written_with_aux Whether or not the write was done with
+ * auxiliary compression enabled
+ */
+void
+intel_miptree_finish_write(struct brw_context *brw,
+ struct intel_mipmap_tree *mt, uint32_t level,
+ uint32_t start_layer, uint32_t num_layers,
+ bool written_with_aux);
+
+/** Get the auxiliary compression state of a miptree slice */
+enum isl_aux_state
+intel_miptree_get_aux_state(const struct intel_mipmap_tree *mt,
+ uint32_t level, uint32_t layer);
+
+/** Set the auxiliary compression state of a miptree slice range
+ *
+ * This function directly sets the auxiliary compression state of a slice
+ * range of a miptree. It only modifies data structures and does not do any
+ * resolves. This should only be called by code which directly performs
+ * compression operations such as fast clears and resolves. Most code should
+ * use intel_miptree_prepare_access or intel_miptree_finish_write.
+ */
+void
+intel_miptree_set_aux_state(struct brw_context *brw,
+ struct intel_mipmap_tree *mt, uint32_t level,
+ uint32_t start_layer, uint32_t num_layers,
+ enum isl_aux_state aux_state);
+
void
intel_miptree_make_shareable(struct brw_context *brw,
struct intel_mipmap_tree *mt);
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