diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c index d5fc95c35af..2500f97f44d 100644 --- a/src/intel/vulkan/genX_cmd_buffer.c +++ b/src/intel/vulkan/genX_cmd_buffer.c @@ -593,6 +593,7 @@ transition_color_buffer(struct anv_cmd_buffer *cmd_buffer, VkImageLayout initial_layout, VkImageLayout final_layout) { + const struct gen_device_info *devinfo = &cmd_buffer->device->info; /* Validate the inputs. */ assert(cmd_buffer); assert(image && image->aspects & VK_IMAGE_ASPECT_ANY_COLOR_BIT_ANV); @@ -734,17 +735,54 @@ transition_color_buffer(struct anv_cmd_buffer *cmd_buffer, final_layout); } return; - } else if (initial_layout != VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) { - /* Resolves are only necessary if the subresource may contain blocks - * fast-cleared to values unsupported in other layouts. This only occurs - * if the initial layout is COLOR_ATTACHMENT_OPTIMAL. - */ - return; - } else if (image->samples > 1) { - /* MCS buffers don't need resolving. */ - return; } + const enum isl_aux_usage initial_aux_usage = + anv_layout_to_aux_usage(devinfo, image, aspect, initial_layout); + const enum isl_aux_usage final_aux_usage = + anv_layout_to_aux_usage(devinfo, image, aspect, final_layout); + + /* The current code assumes that there is no mixing of CCS_E and CCS_D. + * We can handle transitions between CCS_D/E to and from NONE. What we + * don't yet handle is switching between CCS_E and CCS_D within a given + * image. Doing so in a performant way requires more detailed aux state + * tracking such as what is done in i965. For now, just assume that we + * only have one type of compression. + */ + assert(initial_aux_usage == ISL_AUX_USAGE_NONE || + final_aux_usage == ISL_AUX_USAGE_NONE || + initial_aux_usage == final_aux_usage); + + /* If initial aux usage is NONE, there is nothing to resolve */ + if (initial_aux_usage == ISL_AUX_USAGE_NONE) + return; + + enum isl_aux_op resolve_op = ISL_AUX_OP_NONE; + + /* If the initial layout supports more fast clear than the final layout + * then we need at least a partial resolve. + */ + const enum anv_fast_clear_type initial_fast_clear = + anv_layout_to_fast_clear_type(devinfo, image, aspect, initial_layout); + const enum anv_fast_clear_type final_fast_clear = + anv_layout_to_fast_clear_type(devinfo, image, aspect, final_layout); + if (final_fast_clear < initial_fast_clear) + resolve_op = ISL_AUX_OP_PARTIAL_RESOLVE; + + if (initial_aux_usage == ISL_AUX_USAGE_CCS_E && + final_aux_usage != ISL_AUX_USAGE_CCS_E) + resolve_op = ISL_AUX_OP_FULL_RESOLVE; + + /* CCS_D only supports full resolves and BLORP will assert on us if we try + * to do a partial resolve on a CCS_D surface. + */ + if (resolve_op == ISL_AUX_OP_PARTIAL_RESOLVE && + initial_aux_usage == ISL_AUX_USAGE_CCS_D) + resolve_op = ISL_AUX_OP_FULL_RESOLVE; + + if (resolve_op == ISL_AUX_OP_NONE) + return; + /* Perform a resolve to synchronize data between the main and aux buffer. * Before we begin, we must satisfy the cache flushing requirement specified * in the Sky Lake PRM Vol. 7, "MCS Buffer for Render Target(s)": @@ -775,10 +813,7 @@ transition_color_buffer(struct anv_cmd_buffer *cmd_buffer, genX(load_needs_resolve_predicate)(cmd_buffer, image, aspect, level); anv_image_ccs_op(cmd_buffer, image, aspect, level, - base_layer, layer_count, - image->planes[plane].aux_usage == ISL_AUX_USAGE_CCS_E ? - ISL_AUX_OP_PARTIAL_RESOLVE : ISL_AUX_OP_FULL_RESOLVE, - true); + base_layer, layer_count, resolve_op, true); genX(set_image_needs_resolve)(cmd_buffer, image, aspect, level, false); }